/**
 * TXAPlayer v1.0 - TPhimX Next Generation
 * Base Logic: Markers, Subtitles (VTT/SRT), Replay, Skip Outro, Snapshot
 * v1.0: Optimized for Astro/Vite environment, integrated with KKPhim API
 */

// dashjs is loaded via CDN or global script
var dashjs = window.dashjs || {};

var TXA_VERSION = 'v1.0';

// 🤖 TXA NEON CORE 2030 - STORYBOARD CONFIG
var STORYBOARD_LEVELS = window.STORYBOARD_LEVELS || {
    L1: { grid: [10, 10], size: [160, 90], interval: 10, prefix: 'L1_M' },
    L2: { grid: [5, 5], size: [240, 135], interval: 30, prefix: 'L2_M' },
    L3: { grid: [3, 3], size: [320, 180], interval: 60, prefix: 'L3_M' }
};

const txaStorage = {
    dbName: 'TXA_BLOB_CACHE',
    storeName: 'episodes',
    version: 1,
    _getDB() {
        return new Promise((resolve, reject) => {
            const request = indexedDB.open(this.dbName, this.version);
            request.onupgradeneeded = (e) => {
                const db = e.target.result;
                if (!db.objectStoreNames.contains(this.storeName)) {
                    db.createObjectStore(this.storeName, { keyPath: 'id' });
                }
            };
            request.onsuccess = (e) => resolve(e.target.result);
            request.onerror = (e) => reject(e.target.error);
        });
    },
    async get(id) {
        try {
            const db = await this._getDB();
            return new Promise((resolve, reject) => {
                const tx = db.transaction(this.storeName, 'readonly');
                const store = tx.objectStore(this.storeName);
                const req = store.get(id);
                req.onsuccess = () => resolve(req.result);
                req.onerror = () => reject(req.error);
            });
        } catch (e) { return null; }
    },
    async set(id, data, m3u8Url) {
        try {
            const db = await this._getDB();
            const tx = db.transaction(this.storeName, 'readwrite');
            const store = tx.objectStore(this.storeName);
            store.put({ id, data, m3u8Url, timestamp: Date.now() });
            return true;
        } catch (e) { return false; }
    }
};

if (typeof window.TXAPlayer === 'undefined') {
    window.TXAPlayer = class {

    constructor(options) {
        const defaults = {
            containerId: 'player-container',
            videoUrl: '',
            posterUrl: '',
            title: 'TPhimX Media',
            markers: { intro: [0, 65], outro: [0, 0] },
            subtitles: [],
            autoPlay: false,

            movieId: null,
            episodeId: null,
            movieSlug: null,
            episodeSlug: null,
            movieThumb: null,
            epCount: null,
            saveUrl: null,
            restoreUrl: null,
            csrfToken: null,

            nextEpisodeUrl: null,
            prevEpisodeUrl: null,
            autoSkipIntro: false,
            autoNextEpisode: false,
            hasSubtitles: true,
            isLoggedIn: false
        };

        this.options = { ...defaults, ...options };

        // Proxy external images
        if (this.options.posterUrl) this.options.posterUrl = this.getProxiedUrl(this.options.posterUrl);
        if (this.options.movieThumb) this.options.movieThumb = this.getProxiedUrl(this.options.movieThumb);
        if (this.options.previewUrl) this.options.previewUrl = this.getProxiedUrl(this.options.previewUrl);

        // Deep validate markers to support [0,0] fallback
        if (this.options.markers) {
            if (!this.options.markers.intro || (this.options.markers.intro[0] === 0 && this.options.markers.intro[1] === 0)) {
                this.options.markers.intro = defaults.markers.intro;
            }
            if (!this.options.markers.outro || (this.options.markers.outro[0] === 0 && this.options.markers.outro[1] === 0)) {
                this.options.markers.outro = defaults.markers.outro;
            }
        }

        this.settings = {
            volume: this.options.volume !== undefined ? this.options.volume : 1,
            muted: this.options.muted !== undefined ? this.options.muted : false,
            playbackRate: 1,
            autoSkipIntro: this.options.autoSkipIntro || false,
            autoNextEpisode: this.options.autoNextEpisode || false,
            showRealTime: true,
            clockFormat: 'H:i:s',
            ...this.loadSettings()
        };

        let target = this.options.container || this.options.containerId;
        this.container = typeof target === 'string'
            ? (document.querySelector(target) || document.getElementById(target.replace(/^#/, '')))
            : target;

        if (!this.container) { console.error('TXAPlayer: Container not found'); return; }

        // State
        this._isAutoNextTriggered = false;
        this._autoNextCountdownInterval = null; // Store countdown interval ID
        this._isRetryingVideo = false; // Track video retry state
        this.dashPlayer = null;
        this.video = null;
        this.wrapper = null;
        this.seekAccumulator = 0;
        this.seekDebounce = null;
        this.isDragging = false;
        this.currentSubCues = [];
        this.feedbackTimer = null;
        this.activeSubIdx = -1;
        this.destroyed = false;
        this._handlers = {};

        // v5.8.0 New Features State
        this.isTheaterMode = false;
        this.isCinemaMode = false;
        this.isSpeedPreview = false;
        this.originalSpeed = 1;
        this.resumeShown = false;

        // v6.5.0 Preview Thumbnail State
        this._previewSpriteUrl = null;
        this._previewSpriteLoaded = false;
        this._previewLowUrl = null;
        this._previewLowLoaded = false;
        this._previewUpgradeTimer = null;

        // v6.5.2 - Turbo Storyboard (Neon Core 2030)
        this._useStoryboard = false;
        this._storyboardPath = null;
        this._currentStoryboardLevel = 'L1';
        this._storyboardCache = new Set();

        // v6.5.2 - Predictive MP4 Multi-Quality
        this._mp4Levels = [];
        this._lastMP4Url = null;
        this._mediaSetupDone = false;

        // v6.1.0 Ticker State
        this.tickerMax = Math.floor(Math.random() * 9) + 2; // Random 2-10 times
        this.tickerCount = 0;
        this.tickerNextTime = 5 + Math.random() * 20; // Faster first ticker for better visibility
        this._isTickerRunning = false;
        this._fixedTickerShown = false;
        this._endingTickerShown = false;
        this._loadProgress = 0;
        this._loadInterval = null;

        this.init();
    }

    init() {
        // v6.3.0 - Grouped Console Log
        console.group('%c ✨ TPHIMX PLAYER %c ' + TXA_VERSION + ' %c ACTIVE ✨ ',
            'background:#8b5cf6; color:#fff; font-weight:bold; padding:4px 0 4px 8px; border-radius:4px 0 0 4px;',
            'background:#facc15; color:#000; font-weight:900; padding:4px 8px;',
            'background:#8b5cf6; color:#fff; font-weight:bold; padding:4px 8px 4px 0; border-radius:0 4px 4px 0;'
        );
        console.log('%cVersion: %c' + TXA_VERSION, 'color:#94a3b8', 'color:#fff; font-weight:bold');
        console.log('%cMode:    %cPlatinum Premium', 'color:#94a3b8', 'color:#fbbf24');
        console.groupEnd();

        if (window.txaPlayer) {
            console.log('[TXAPlayer] Destroying existing player instance...');
            try {
                window.txaPlayer.destroy();
            } catch (e) {
                console.error('[TXAPlayer] Error destroying old instance:', e);
            }
        }

        window.txaPlayer = this;
        window.TXAPlayer = TXAPlayer;

        this.container.classList.add('txa-player-skin');
        this.tickerCount = 0;
        this.tickerMax = 5;
        this.tickerNextTime = 15;
        this._uiTimer = null;

        // Bind Methods
        this.showUI = this.showUI.bind(this);
        this.hideUI = this.hideUI.bind(this);

        this.injectStyles();
        this.renderUI();
        
        if (this.options.autoPlay) {
            this.setupMedia();
        } else {
            // v6.6.2 - Support Lazy Click-to-Play
            const cp = this.container.querySelector('#txa-center-play');
            if (cp) cp.classList.add('show');
            
            // Still show controls but in non-playing state
            this.showUI(false);
        }

        this.bindEvents();
        this.startClock(); // v6.4.0 Real-time Clock
        this.handleMobileEvents(); // v6.1.0 Mobile Events
        this.setupContextMenu();
        this.setupShortcuts();
        this.loadInitialSettings();
        this.setupNewFeatures(); // v5.8.0 - Initialize new features
        this.updateTopTitle(); // Set initial title
        this.detectDevTools();
        console.log(
            `%cSTOP! %cThis is a browser feature intended for developers. If someone told you to copy-paste something here to enable a feature or "hack" someone's account, it is a scam and will give them access to your account.\n\n%c[TXAPlayer ${TXA_VERSION}] %cSecurity Active`,
            'color:red;font-family:system-ui;font-size:4rem;font-weight:bold;-webkit-text-stroke:1px black;',
            'font-family:system-ui;font-size:1.5rem;font-weight:bold;',
            'color:#8b5cf6;font-size:1.2rem;font-weight:bold;',
            'color:gray;font-size:1.2rem;'
        );
    }

    detectMobile() {
        // Use external TXA Detector if available
        if (typeof window.detectMobile === 'function') return window.detectMobile();
        if (window.TXADetector) return window.TXADetector.isMobile();

        // Standard minimal fallback for extreme cases where script fails to load
        return /Android|webOS|iPhone|iPad|iPod|BlackBerry|IEMobile|Opera Mini/i.test(navigator.userAgent || '') || window.innerWidth <= 1024;
    }

    getProxiedUrl(url) {
        if (!url) return '';
        if (url.includes('localhost') || url.startsWith('/') || url.startsWith('blob:')) return url;
        
        const blockedDomains = [
            'kkphim',
            'phimimg',
            'phimapi',
            'tebi.io',
            'stream',
            'cloud',
            'player',
            'phim1280',
            'ophim'
        ];
        
        const shouldProxy = blockedDomains.some(domain => url.toLowerCase().includes(domain));
        if (shouldProxy) {
            return `/api/proxy-media?url=${encodeURIComponent(url)}`;
        }
        return url;
    }

    handleMobileEvents() {
        if (!this.detectMobile()) return;

        this.container.classList.add('is-mobile');
        const wrapper = this.wrapper;

        // State for Gestures
        let lastTap = 0;
        let tapTimer = null;
        let touchStartX = 0;
        let touchStartY = 0;
        let startVolume = 0;
        let isLongPress = false;
        let pressTimer = null;
        let isScrubbing = false;
        let isVolumeGesture = false;

        // --- 1. LONG PRESS (2x SPEED) & GESTURE START ---
        wrapper.addEventListener('touchstart', (e) => {
            // Ignore if touching controls or panels
            if (e.target.closest('.txa-controls, .txa-panel, .txa-ctx, .txa-replay-overlay, .txa-skip-btn, .txa-resume-overlay, .txa-next-countdown, .txa-loader, .txa-stats-panel, button, i, .txa-btn')) return;

            const touch = e.touches[0];
            touchStartX = touch.clientX;
            touchStartY = touch.clientY;
            startVolume = this.video.volume;
            isLongPress = false;
            isVolumeGesture = false;

            // Start Long Press Timer (YouTube Style 2x Speed)
            pressTimer = setTimeout(() => {
                if (!this.video.paused && !isScrubbing && !isVolumeGesture) {
                    isLongPress = true;
                    this.startSpeedPreview();
                    if (window.navigator.vibrate) window.navigator.vibrate(20);
                }
            }, 500);

        }, { passive: true });

        wrapper.addEventListener('touchend', (e) => {
            if (e.target.closest('.txa-controls, .txa-panel, .txa-ctx, .txa-replay-overlay, .txa-skip-btn, .txa-resume-overlay, .txa-next-countdown, .txa-loader, .txa-stats-panel, button, i, .txa-btn')) return;

            clearTimeout(pressTimer);

            if (isLongPress) {
                isLongPress = false;
                this.stopSpeedPreview();
                e.preventDefault();
                return;
            }

            if (isVolumeGesture) {
                isVolumeGesture = false;
                return;
            }

            const touchEnd = e.changedTouches[0];
            const dx = Math.abs(touchEnd.clientX - touchStartX);
            const dy = Math.abs(touchEnd.clientY - touchStartY);

            if (dx > 20 || dy > 20) return;

            const currentTime = new Date().getTime();
            const tapLength = currentTime - lastTap;

            if (tapLength < 300 && tapLength > 0) {
                // DOUBLE TAP detection
                clearTimeout(tapTimer);
                const rect = wrapper.getBoundingClientRect();
                const x = touchEnd.clientX - rect.left;

                // 25% Left (Rewind), 25% Right (Forward), 50% Center (Toggle Play)
                if (x < rect.width * 0.25) {
                    this.seekAccumulated(-10);
                } else if (x > rect.width * 0.75) {
                    this.seekAccumulated(10);
                } else {
                    this.togglePlay();
                }
                if (e.cancelable) e.preventDefault();
            } else {
                // SINGLE TAP logic - Highly sensitive center zone (60% width)
                tapTimer = setTimeout(() => {
                    const rect = wrapper.getBoundingClientRect();
                    const x = touchEnd.clientX - rect.left;

                    if (x > rect.width * 0.2 && x < rect.width * 0.8) {
                        this.togglePlay();
                    } else {
                        if (wrapper.classList.contains('active-ui')) this.hideUI();
                        else this.showUI();
                    }
                }, 200); // Shorter delay for better responsiveness
            }
            lastTap = currentTime;
            if (e.cancelable) e.preventDefault();
        }, { passive: false });

        wrapper.addEventListener('touchmove', (e) => {
            if (isScrubbing) return;
            const touch = e.touches[0];
            const dx = touch.clientX - touchStartX;
            const dy = touch.clientY - touchStartY;

            // Fullscreen Gestures (Volume on Right Side)
            const isFS = !!(document.fullscreenElement || document.webkitIsFullScreen || this.video?.webkitDisplayingFullscreen || this.wrapper.classList.contains('fullscreen-mode'));

            if (isFS && !isLongPress && Math.abs(dy) > 20) {
                const rect = wrapper.getBoundingClientRect();
                // Right side check
                if (touchStartX > rect.width * 0.5) {
                    if (!isVolumeGesture && Math.abs(dy) > Math.abs(dx)) {
                        isVolumeGesture = true;
                        clearTimeout(pressTimer);
                    }
                    if (isVolumeGesture) {
                        if (e.cancelable) e.preventDefault();
                        const sensitivity = 1.5; // Swipe height = 1.5x range
                        const delta = (touchStartY - touch.clientY) / (rect.height / sensitivity);
                        const newVol = Math.max(0, Math.min(1, startVolume + delta));
                        this.video.volume = newVol;
                        this.video.muted = false;
                        this.updateVolUI();
                        this.showFeedback('volume');
                    }
                }
            } else if (Math.abs(dx) > 20 || Math.abs(dy) > 20) {
                clearTimeout(pressTimer);
            }
        }, { passive: false });

        // --- 2. MOBILE PROGRESS SCRUBBING ---
        const pWrap = this.container.querySelector('#txa-progress');
        if (pWrap) {
            pWrap.addEventListener('touchstart', (e) => {
                isScrubbing = true;
                pWrap.classList.add('dragging');
                this.showUI(false);
                this.updateMobileScrub(e, pWrap);
            }, { passive: true });

            pWrap.addEventListener('touchmove', (e) => {
                if (isScrubbing) {
                    if (e.cancelable) e.preventDefault();
                    this.updateMobileScrub(e, pWrap);
                }
            }, { passive: false });

            pWrap.addEventListener('touchend', (e) => {
                if (isScrubbing) {
                    isScrubbing = false;
                    pWrap.classList.remove('dragging');
                    const rect = pWrap.getBoundingClientRect();
                    const x = e.changedTouches[0].clientX - rect.left;
                    const pct = Math.max(0, Math.min(1, x / rect.width));
                    this.safeSeek(pct * this.video.duration);
                    const timeOverlay = this.container.querySelector('.txa-mobile-seek-time');
                    if (timeOverlay) timeOverlay.style.display = 'none';
                    this.showUI();
                }
            }, { passive: true });
        }
    }

    updateMobileScrub(e, pWrap, timeOverlay) {
        if (!this.video.duration) return;
        const rect = pWrap.getBoundingClientRect();
        const clientX = e.touches ? e.touches[0].clientX : e.clientX;
        const x = clientX - rect.left;
        const pct = Math.max(0, Math.min(1, x / rect.width));
        const targetTime = pct * this.video.duration;

        // Update Visual Bar immediately
        const playedBar = this.container.querySelector('#txa-played');
        if (playedBar) playedBar.style.width = (pct * 100) + '%';

        // Update Time Preview
        if (timeOverlay) {
            timeOverlay.style.display = 'block';
            timeOverlay.innerText = this.formatTime(targetTime, this.video.duration >= 3600);
        }
    }

    /**
     * YouTube-style buffer bar update
     * Called every 1s and on FRAG_LOADED to reflect pre-loaded segments
     */
    _updateBufferBar() {
        if (!this.video) return;
        const duration = this.video.duration;
        if (!duration || !isFinite(duration)) return;

        const bufBar = this.container.querySelector('#txa-buffer');
        if (!bufBar) return;

        const buffered = this.video.buffered;
        const current = this.video.currentTime;
        let bufferEnd = 0;

        // Find the buffer range that contains or is closest ahead of current time
        for (let i = 0; i < buffered.length; i++) {
            if (current >= buffered.start(i) - 0.5 && current <= buffered.end(i)) {
                bufferEnd = buffered.end(i);
                break;
            }
        }

        // Fallback: use the largest buffered end
        if (bufferEnd === 0 && buffered.length > 0) {
            bufferEnd = buffered.end(buffered.length - 1);
        }

        const bufPct = (bufferEnd / duration) * 100;
        bufBar.style.width = Math.min(100, bufPct).toFixed(2) + '%';
    }

    updateProgress() {
        if (!this.video || this.isDragging) return;
        const current = this.video.currentTime;
        const duration = this.video.duration;
        if (!duration) return;

        const pct = (current / duration) * 100;
        const playedBar = this.container.querySelector('#txa-played');
        if (playedBar) playedBar.style.width = pct + '%';

        // Update Buffer Progress (YouTube-style)
        this._updateBufferBar();

        const currText = this.container.querySelector('#txa-curr') || this.container.querySelector('#txa-time');
        if (currText) {
            if (currText.id === 'txa-time') {
                currText.innerText = this.formatTimeDisplay();
            } else {
                currText.innerText = this.formatTime(current, duration >= 3600);
            }
        }

        this.checkMarkers(current);
        this.checkTicker();
        this.renderSubtitles();
    }

    injectStyles() {
        if (document.getElementById('txa-css')) return;
        const s = document.createElement('style');
        s.id = 'txa-css';
        s.textContent = `
            @import url('https://fonts.googleapis.com/css2?family=Outfit:wght@400;500;600;700;800;900&display=swap');
            @import url('https://fonts.cdnfonts.com/css/digital-7-mono');

            /* ==================== BASE PLAYER STYLES (MERGED) ==================== */
            .txa-player { position: relative; width: 100%; height: 100%; background: #000; border-radius: 12px; overflow: hidden; font-family: 'Outfit', 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif; user-select: none; -webkit-user-select: none; overscroll-behavior-x: none; }
            .txa-video-container { position: relative; width: 100%; height: 100%; background: #000; display: flex; align-items: center; justify-content: center; }
            .txa-video { width: 100%; height: 100%; object-fit: contain; }
            .txa-ambient-light { position: absolute; top: 0; left: 0; width: 50px; height: 50px; pointer-events: none; opacity: 0; }
            .txa-subtitle-overlay { position: absolute; bottom: 80px; left: 50%; transform: translateX(-50%); max-width: 80%; text-align: center; color: #fff; font-size: 24px; font-weight: 600; text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.9); pointer-events: none; z-index: 10; line-height: 1.4; transition: bottom 0.3s ease; }
            .txa-controls.visible~.txa-subtitle-overlay { bottom: 100px; }
            .txa-branding { position: absolute; top: 20px; right: 20px; width: 60px; height: 60px; opacity: 0.8; transition: opacity 0.3s ease; z-index: 5; pointer-events: none; }
            .txa-branding.playing { opacity: 0.3; }
            .txa-branding.visible { opacity: 0.8; }
            .txa-logo { width: 100%; height: 100%; filter: drop-shadow(0 2px 8px rgba(0, 0, 0, 0.5)); }
            .txa-loading-spinner { position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); display: none; z-index: 20; pointer-events: none; }
            .txa-loading-spinner.active { display: block; }
            .spinner { width: 50px; height: 50px; border: 3px solid rgba(255, 255, 255, 0.1); border-top-color: #6366f1; border-radius: 50%; animation: spin 0.8s linear infinite; }
            @keyframes spin { to { transform: rotate(360deg); } }
            .txa-play-overlay { position: absolute; top: 0; left: 0; width: 100%; height: 100%; display: flex; align-items: center; justify-content: center; background: rgba(0, 0, 0, 0.3); opacity: 0; transition: opacity 0.3s ease; z-index: 15; pointer-events: none; }
            .txa-play-overlay.visible { opacity: 1; pointer-events: auto; }
            .txa-big-play-btn { width: 80px; height: 80px; background: rgba(255, 255, 255, 0.9); border: none; border-radius: 50%; cursor: pointer; display: flex; align-items: center; justify-content: center; transition: all 0.3s ease; box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3); }
            .txa-big-play-btn svg { width: 32px; height: 32px; color: #6366f1; margin-left: 4px; }
            .txa-big-play-btn:hover { transform: scale(1.1); background: #fff; }
            .txa-controls { position: absolute; bottom: 0; left: 0; width: 100%; background: linear-gradient(to top, rgba(0, 0, 0, 0.9) 0%, transparent 100%); padding: 20px; opacity: 0; visibility: hidden; transition: all 0.3s ease; z-index: 25; }
            .txa-controls.visible { opacity: 1; visibility: visible; }
            .txa-progress-container { position: relative; width: 100%; height: 6px; margin-bottom: 20px; cursor: pointer; touch-action: none; }
            .txa-progress-bar { position: relative; width: 100%; height: 100%; background: rgba(255, 255, 255, 0.2); border-radius: 3px; overflow: visible; transition: height 0.1s ease; }
            .txa-progress-container:hover .txa-progress-bar { height: 8px; }
            .txa-progress-buffer { position: absolute; top: 0; left: 0; height: 100%; background: rgba(255, 255, 255, 0.3); transition: width 0.1s linear; border-radius: 3px; }
            .txa-progress-played { position: absolute; top: 0; left: 0; height: 100%; background: linear-gradient(90deg, #6366f1, #8b5cf6); transition: width 0.05s linear; border-radius: 3px; box-shadow: 0 0 10px rgba(99, 102, 241, 0.5); }
            .txa-progress-handle { position: absolute; top: 50%; right: -7px; width: 14px; height: 14px; background: #fff; border-radius: 50%; transform: translateY(-50%) scale(0); transition: transform 0.2s ease; box-shadow: 0 2px 8px rgba(0, 0, 0, 0.5); z-index: 2; }
            .txa-progress-container:hover .txa-progress-handle, .txa-progress-container.dragging .txa-progress-handle { transform: translateY(-50%) scale(1); }
            .txa-progress-tooltip { position: absolute; bottom: 20px; left: 50%; transform: translateX(-50%); background: rgba(0, 0, 0, 0.9); color: #fff; padding: 6px 10px; border-radius: 6px; font-size: 13px; white-space: nowrap; opacity: 0; visibility: hidden; transition: all 0.2s ease; pointer-events: none; font-weight: 500; }
            .txa-progress-container:hover .txa-progress-tooltip { opacity: 1; visibility: visible; bottom: 15px; }
            .txa-controls-row { display: flex; align-items: center; justify-content: space-between; }
            .txa-controls-left, .txa-controls-right { display: flex; align-items: center; gap: 15px; }
            .txa-time { display: flex; align-items: center; gap: 5px; color: rgba(255, 255, 255, 0.9); font-size: 13px; font-weight: 600; letter-spacing: 0.3px; min-width: 110px; justify-content: center; font-family: 'JetBrains Mono', monospace; }
            .txa-time-separator { opacity: 0.5; font-size: 12px; }
            .txa-btn { width: 44px; height: 44px; background: transparent; border: none; border-radius: 8px; display: flex; align-items: center; justify-content: center; cursor: pointer; transition: all 0.2s ease; color: rgba(255, 255, 255, 0.9); position: relative; overflow: visible; }
            .txa-btn:hover { background: rgba(255, 255, 255, 0.15); color: #fff; transform: translateY(-2px); }
            .txa-btn:active { transform: translateY(0); }
            .txa-btn svg { width: 24px; height: 24px; filter: drop-shadow(0 1px 2px rgba(0, 0, 0, 0.3)); }
            .txa-btn-play .icon-pause { display: none; }
            .txa-btn-play.playing .icon-play { display: none; }
            .txa-btn-play.playing .icon-pause { display: block; }
            .txa-volume-container { position: relative; display: flex; align-items: center; justify-content: center; width: 44px; height: 44px; }
            .txa-volume-slider { position: absolute; bottom: 50px; left: 50%; transform: translateX(-50%); width: 32px; height: 0; background: rgba(15, 23, 42, 0.9); backdrop-filter: blur(10px); border-radius: 20px; display: flex; flex-direction: column; align-items: center; justify-content: center; opacity: 0; visibility: hidden; transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1); overflow: hidden; padding: 10px 0; border: 1px solid rgba(255, 255, 255, 0.1); box-shadow: 0 10px 25px rgba(0, 0, 0, 0.5); z-index: 50; }
            .txa-volume-container:hover .txa-volume-slider { height: 150px; opacity: 1; visibility: visible; bottom: 55px; }
            .txa-volume-input { width: 110px; height: 6px; -webkit-appearance: none; appearance: none; background: rgba(255, 255, 255, 0.2); border-radius: 3px; cursor: pointer; outline: none; transform: rotate(-90deg); margin: 55px 0; }
            .txa-volume-input::-webkit-slider-thumb { -webkit-appearance: none; appearance: none; width: 18px; height: 18px; background: #fff; border-radius: 50%; cursor: pointer; transition: transform 0.1s; }
            .txa-volume-input::-webkit-slider-thumb:hover { transform: scale(1.2); }
            .txa-settings-panel { position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%) scale(0.95); width: 380px; max-height: 85vh; background: rgba(15, 23, 42, 0.95); backdrop-filter: blur(30px) saturate(180%); border: 1px solid rgba(255, 255, 255, 0.15); box-shadow: 0 40px 100px rgba(0, 0, 0, 0.8), 0 0 0 1px rgba(255, 255, 255, 0.05); border-radius: 24px; padding: 30px; overflow-y: auto; opacity: 0; visibility: hidden; transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275); z-index: 100; }
            .txa-panel-close { position: absolute; top: 15px; right: 15px; width: 32px; height: 32px; background: rgba(255, 255, 255, 0.05); border: 1px solid rgba(255, 255, 255, 0.1); border-radius: 50%; color: #fff; font-size: 20px; display: flex; align-items: center; justify-content: center; cursor: pointer; transition: all 0.2s; z-index: 10; }
            .txa-panel-close:hover { background: #ef4444; border-color: #ef4444; transform: rotate(90deg); }
            .txa-settings-panel.active { opacity: 1; visibility: visible; transform: translate(-50%, -50%) scale(1); }
            .txa-settings-content { display: flex; flex-direction: column; gap: 24px; }
            .txa-setting-group { display: flex; flex-direction: column; gap: 12px; }
            .txa-setting-label { color: #94a3b8; font-size: 12px; font-weight: 600; text-transform: uppercase; letter-spacing: 1px; margin-left: 4px; }
            .txa-setting-options { display: flex; flex-wrap: wrap; gap: 8px; }
            .txa-option-btn { padding: 8px 16px; background: rgba(255, 255, 255, 0.05); border: 1px solid rgba(255, 255, 255, 0.1); border-radius: 8px; color: #e2e8f0; font-size: 13px; font-weight: 500; cursor: pointer; transition: all 0.2s ease; }
            .txa-option-btn:hover { background: rgba(255, 255, 255, 0.15); border-color: rgba(255, 255, 255, 0.2); }
            .txa-option-btn.active { background: linear-gradient(135deg, #6366f1, #8b5cf6); border-color: transparent; color: #fff; box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3); }
            .txa-subtitle-style-group { display: none; border-top: 1px solid rgba(255, 255, 255, 0.1); padding-top: 20px; }
            .txa-subtitle-style-group.active { display: flex; }
            .txa-style-controls { display: grid; grid-template-columns: 1fr; gap: 16px; }
            .txa-style-control { display: grid; grid-template-columns: 80px 1fr; align-items: center; gap: 12px; }
            .txa-style-control label { color: #cbd5e1; font-size: 13px; }
            .txa-style-control input[type="range"], .txa-style-control input[type="color"], .txa-style-control select { width: 100%; background: rgba(0, 0, 0, 0.3); border: 1px solid rgba(255, 255, 255, 0.1); border-radius: 6px; padding: 6px 10px; color: #fff; font-size: 13px; cursor: pointer; }
            .txa-stats-panel { position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%) scale(0.95); width: 400px; max-height: 80vh; background: rgba(15, 23, 42, 0.9); backdrop-filter: blur(20px); border: 1px solid rgba(255, 255, 255, 0.1); border-radius: 16px; padding: 24px; overflow-y: auto; opacity: 0; visibility: hidden; transition: all 0.2s ease; z-index: 100; box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5); }
            .txa-stats-panel.active { opacity: 1; visibility: visible; transform: translate(-50%, -50%) scale(1); }
            .txa-stats-row { display: flex; justify-content: space-between; align-items: center; padding: 10px 0; border-bottom: 1px solid rgba(255, 255, 255, 0.05); font-family: 'JetBrains Mono', monospace; }
            .txa-stats-label { color: #94a3b8; font-size: 12px; }
            .txa-stats-value { color: #a5b4fc; font-size: 12px; }
            .txa-lockdown-overlay { position: absolute; top: 0; left: 0; width: 100%; height: 100%; background: rgba(0, 0, 0, 0.98); display: flex; align-items: center; justify-content: center; z-index: 200; opacity: 0; visibility: hidden; transition: all 0.3s ease; }
            .txa-lockdown-overlay.active { opacity: 1; visibility: visible; }
            .txa-context-menu { position: fixed; z-index: 9999; min-width: 220px; background: rgba(30, 41, 59, 0.95); backdrop-filter: blur(16px); border: 1px solid rgba(255, 255, 255, 0.1); border-radius: 12px; padding: 6px; box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5); opacity: 0; visibility: hidden; transform: scale(0.95); transform-origin: top left; transition: opacity 0.15s ease, transform 0.15s ease; }
            .txa-context-menu.active { opacity: 1; visibility: visible; transform: scale(1); }
            .txa-ctx-header { padding: 12px; margin-bottom: 6px; background: rgba(255, 255, 255, 0.05); border-radius: 8px; display: flex; align-items: center; gap: 10px; }
            .txa-ctx-header span { color: #fff; font-weight: 600; font-size: 14px; }
            .txa-ctx-item { padding: 10px 12px; color: #cbd5e1; font-size: 13px; border-radius: 6px; transition: all 0.1s; display: flex; align-items: center; gap: 10px; }
            .txa-ctx-item:hover { background: rgba(99, 102, 241, 0.2); color: #fff; }
            .txa-ctx-item-sub { margin-left: auto; font-size: 11px; opacity: 0.6; background: rgba(255, 255, 255, 0.1); padding: 2px 6px; border-radius: 4px; }
            .txa-ctx-divider { height: 1px; background: rgba(255, 255, 255, 0.1); margin: 4px 0; }
            [data-tooltip] { position: relative; }
            [data-tooltip]:hover::after { content: attr(data-tooltip); position: absolute; bottom: 100%; left: 50%; transform: translateX(-50%); background: rgba(15, 23, 42, 0.95); color: #fff; padding: 6px 10px; border-radius: 6px; font-size: 12px; white-space: nowrap; margin-bottom: 10px; opacity: 0; visibility: hidden; transition: all 0.2s ease; pointer-events: none; box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3); border: 1px solid rgba(255, 255, 255, 0.1); z-index: 50; }
            [data-tooltip]:hover::after { opacity: 1; visibility: visible; }
            @media (max-width: 768px) {
                .txa-controls { padding: 12px 14px; }
                .txa-controls-left, .txa-controls-right { gap: 6px; }
                .txa-btn { width: 44px; height: 44px; }
                .txa-btn svg { width: 20px; height: 20px; }
                .txa-time { font-size: 12px; gap: 3px; }
                .txa-branding { width: 40px; height: 40px; top: 12px; right: 12px; }
                .txa-big-play-btn { width: 64px; height: 64px; position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); }
                .txa-big-play-btn svg { width: 26px; height: 26px; }
                .txa-subtitle-overlay { font-size: 16px; max-width: 90%; bottom: 60px; }
                .txa-controls.visible~.txa-subtitle-overlay { bottom: 80px; }
                .txa-progress-container { margin-bottom: 14px; }
                .txa-settings-panel { width: 90vw; max-width: 340px; padding: 20px; border-radius: 18px; }
                .txa-option-btn { padding: 7px 12px; font-size: 12px; }
                .txa-stats-panel { width: 90vw; max-width: 340px; padding: 18px; }
                .txa-volume-slider { display: none !important; }
                .is-mobile .txa-volume-slider-wrap { display: none !important; }
                .txa-volume-container:hover .txa-volume-slider { display: none !important; }
                .txa-context-menu { min-width: 180px; max-width: calc(100vw - 40px); }
                .txa-progress-tooltip { font-size: 11px; padding: 4px 8px; }
                .spinner { width: 40px; height: 40px; }
            }
            @media (max-width: 480px) {
                .txa-controls { padding: 8px 10px; }
                .txa-controls-left, .txa-controls-right { gap: 2px; }
                .txa-btn { width: 34px; height: 34px; border-radius: 6px; }
                .txa-btn svg { width: 18px; height: 18px; }
                .txa-time { font-size: 11px; }
                .txa-branding { width: 32px; height: 32px; top: 8px; right: 8px; }
                .txa-btn-pro { display: none !important; }
                .txa-time { min-width: 90px; font-size: 10px; }
                .txa-big-play-btn { width: 56px; height: 56px; position: absolute; top: calc(50% - 28px); left: calc(50% - 28px); }
                .txa-big-play-btn svg { width: 22px; height: 22px; }
                .txa-subtitle-overlay { font-size: 13px; max-width: 94%; bottom: 50px; text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.9); }
                .txa-controls.visible~.txa-subtitle-overlay { bottom: 65px; }
                .txa-progress-container { margin-bottom: 12px; height: 4px; padding-top: 15px; padding-bottom: 15px; background-clip: content-box; }
                .txa-progress-bar { height: 100%; border-radius: 2px; }
                .txa-progress-bg { background: rgba(255, 255, 255, 0.2); }
                .txa-progress-handle { width: 14px; height: 14px; right: -7px; transform: translateY(-50%) scale(0); transition: transform 0.1s; }
                .txa-progress-container.dragging .txa-progress-handle, .active-ui .txa-progress-handle { transform: translateY(-50%) scale(1); }
                .txa-speed-overlay { position: absolute; top: 25%; left: 50%; transform: translateX(-50%) translateY(20px); background: var(--txa-glass); backdrop-filter: blur(20px); padding: 12px 24px; border-radius: 100px; color: #fff; font-size: 16px; font-weight: 800; display: flex; align-items: center; gap: 12px; opacity: 0; pointer-events: none; transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1); z-index: 500; box-shadow: 0 20px 60px rgba(0, 0, 0, 0.8); border: 1px solid var(--txa-border); }
                .txa-speed-overlay.show { opacity: 1; transform: translateX(-50%) translateY(0); }
                .txa-speed-overlay i { font-size: 12px; }
                .txa-mobile-seek-time { position: absolute; bottom: 40px; left: 50%; transform: translateX(-50%); background: rgba(0, 0, 0, 0.8); color: #fff; padding: 6px 12px; border-radius: 8px; font-size: 14px; font-weight: 700; display: none; z-index: 60; border: 1px solid rgba(255, 255, 255, 0.1); }
                .txa-progress-container.dragging .txa-mobile-seek-time { display: block; }
                .txa-settings-panel { width: 94vw; max-width: none; padding: 16px; border-radius: 14px; max-height: 75vh; }
                .txa-setting-group { gap: 8px; }
                .txa-setting-label { font-size: 10px; }
                .txa-option-btn { padding: 6px 10px; font-size: 11px; }
                .txa-stats-panel { width: 94vw; max-width: none; padding: 14px; border-radius: 14px; }
                .txa-stats-row { padding: 8px 0; }
                .txa-stats-label, .txa-stats-value { font-size: 11px; }
                .spinner { width: 34px; height: 34px; border-width: 2px; }
                .txa-panel-close { width: 28px; height: 28px; font-size: 16px; top: 10px; right: 10px; }
                .txa-style-control { grid-template-columns: 60px 1fr; gap: 8px; }
                .txa-style-control label { font-size: 11px; }
            }

            
            :root {
                --txa-brand: #8b5cf6;
                --txa-brand-glow: rgba(139,92,246,0.6);
                --txa-glass: rgba(12,12,18,0.85);
                --txa-glass-light: rgba(30,30,40,0.9);
                --txa-border: rgba(255,255,255,0.12);
                --txa-text: #f1f5f9;
                --txa-intro: #fbbf24;
                --txa-outro: #ef4444;
                --txa-brand-light: #a78bfa;
            }

            /* BRANDING elements - LUXURY STYLE */
            .txa-brand-logo {
                position: absolute; top: 25px; left: 25px; z-index: 150;
                pointer-events: none; opacity: 0.6; transform: translateY(0);
                transition: all 0.5s cubic-bezier(0.16, 1, 0.3, 1);
                filter: drop-shadow(0 4px 12px rgba(0,0,0,0.8));
            }
            
            /* REAL-TIME CLOCK - v6.5.1 Top-Down Dynamic */
            .txa-realtime-clock {
                position: absolute; top: 25px; right: 25px; z-index: 2147483647;
                background: rgba(15, 15, 20, 0.7); backdrop-filter: blur(25px);
                border: 1px solid rgba(255, 255, 255, 0.12); border-radius: 50px;
                padding: 8px 16px; font-family: 'Digital-7 Mono', 'Outfit', sans-serif;
                font-size: 16px; font-weight: 600; color: #fff;
                display: none; align-items: center; gap: 8px;
                box-shadow: 0 10px 40px rgba(0,0,0,0.6);
                transition: all 0.5s cubic-bezier(0.16, 1, 0.3, 1);
                pointer-events: none;
                letter-spacing: 1px;
                will-change: top, transform;
            }
            .txa-realtime-clock.active { display: flex; }
            .active-ui .txa-realtime-clock { top: 85px; } /* Slide DOWN to avoid Top Info Bar */
            .txa-realtime-clock i { font-size: 12px; color: var(--txa-brand); opacity: 0.8; }
            
            @media (max-width: 768px) {
                .txa-realtime-clock { font-size: 15px; padding: 6px 12px; top: 15px; right: 15px; }
            }
            
            .txa-wrapper.video-playing.active-ui .txa-brand-logo { opacity: 1; }
            .txa-wrapper.video-playing:not(.active-ui) .txa-brand-logo { opacity: 0.25; }
            
            .txa-logo-text { font-family: 'Outfit', sans-serif; font-weight: 900; font-size: 24px; letter-spacing: -1px; }
            .txa-logo-t { color: var(--txa-brand); }
            .txa-logo-phimx { color: #fff; }

            /* Smooth Center Play/Pause Animation */
            .txa-center-feedback {
                position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%) scale(0.5);
                width: 80px; height: 80px; background: rgba(0,0,0,0.4); border-radius: 50%;
                display: flex; align-items: center; justify-content: center;
                opacity: 0; pointer-events: none; transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
                z-index: 200; border: 1px solid rgba(255,255,255,0.1); backdrop-filter: blur(10px);
            }
            .txa-center-feedback.animate { opacity: 1; transform: translate(-50%, -50%) scale(1.2); }
            .txa-center-feedback.animate-out { opacity: 0; transform: translate(-50%, -50%) scale(1.5); }
            .txa-center-feedback i { font-size: 32px; color: #fff; text-shadow: 0 0 15px var(--txa-brand-glow); }

            /* Click-to-Play Center Button v6.6.2 */
            .txa-center-play {
                position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%) scale(0.9);
                width: 90px; height: 90px; background: rgba(139, 92, 246, 0.4); backdrop-filter: blur(25px);
                border: 2px solid rgba(255, 255, 255, 0.2); border-radius: 50%;
                display: flex; align-items: center; justify-content: center;
                color: #fff; font-size: 36px; cursor: pointer;
                opacity: 0; visibility: hidden; z-index: 150;
                transition: all 0.5s cubic-bezier(0.16, 1, 0.3, 1);
                box-shadow: 0 20px 60px rgba(0,0,0,0.6), 0 0 40px var(--txa-brand-glow);
            }
            .txa-center-play.show { opacity: 1; visibility: visible; transform: translate(-50%, -50%) scale(1); }
            .txa-center-play:hover { transform: translate(-50%, -50%) scale(1.15); background: var(--txa-brand); border-color: #fff; }
            .txa-center-play i { margin-left: 6px; filter: drop-shadow(0 0 15px #fff); }

            .txa-watermark {
                position: absolute; bottom: 100px; right: 25px; z-index: 80;
                pointer-events: none; opacity: 0.3; font-size: 11px; font-weight: 800;
                color: rgba(255,255,255,0.4); text-transform: uppercase; letter-spacing: 2px;
                font-family: 'Outfit', sans-serif; transition: opacity 0.3s;
            }
            .txa-watermark span { color: var(--txa-brand); }
            .txa-wrapper.video-playing:not(.active-ui) .txa-watermark { opacity: 0.15; }

            .txa-player-skin { position:absolute; inset:0; background:#000; font-family:'Outfit',sans-serif; color:var(--txa-text); user-select:none; overflow:hidden; }
            .txa-wrapper { position:relative; width:100%; height:100%; outline:none; container-type: inline-size; container-name: player; }
            .txa-video { width:100%; height:100%; object-fit:contain; }

            /* LOADER - Enhanced */
            .txa-loader { position:absolute; inset:0; background:rgba(0,0,0,0.85); z-index:95; display:flex; align-items:center; justify-content:center; flex-direction:column; gap:0; backdrop-filter:blur(8px); pointer-events: none; }
            .txa-loader.hidden { display:none; }
            .txa-loader-content { display:flex; flex-direction:column; align-items:center; gap:12px; max-width:380px; width:90%; }
            .txa-spinner { width:52px; height:52px; border:3px solid rgba(255,255,255,0.08); border-top-color:var(--txa-brand); border-radius:50%; animation:txaspin 0.7s linear infinite; }
            .txa-load-pct-row { display:flex; align-items:baseline; gap:10px; justify-content:center; }
            .txa-load-pct { font-size:28px; font-weight:900; color:#fff; text-shadow: 0 0 15px var(--txa-brand-glow); font-variant-numeric:tabular-nums; }
            .txa-load-speed { font-size:12px; font-weight:700; color:var(--txa-brand); background:rgba(139,92,246,0.15); padding:3px 10px; border-radius:20px; font-variant-numeric:tabular-nums; letter-spacing:0.3px; white-space:nowrap; }
            .txa-load-text { font-size:12px; font-weight:500; color:rgba(255,255,255,0.5); letter-spacing:0.3px; text-align:center; }
            .txa-load-info { display:flex; flex-wrap:wrap; gap:8px; justify-content:center; margin-top:20px; width:100%; }
            .txa-load-info-tag { 
                font-size:11px; font-weight:700; color:#fff; 
                background:rgba(255,255,255,0.06); backdrop-filter:blur(10px);
                padding:6px 14px; border-radius:10px; 
                border:1px solid rgba(255,255,255,0.1);
                text-transform:uppercase; letter-spacing:0.8px; 
                display:flex; align-items:center; gap:8px; 
                box-shadow: 0 10px 30px rgba(0,0,0,0.3);
                transition: transform 0.3s ease;
            }
            .txa-load-info-tag i { font-size:12px; color: var(--txa-brand-light); }
            .txa-load-info-tag .tag-val { color:#fff; font-weight: 800; }
            .txa-load-info-tag.bg-warning { border-color: rgba(234, 179, 8, 0.4); color: #facc15; }
            .txa-load-info-tag.bg-warning i { color: #facc15; }

            @container player (max-width: 500px) {
                .txa-load-info { flex-direction: column; align-items: center; gap: 10px; }
                .txa-load-info-tag { width: 85%; justify-content: center; font-size: 10px; padding: 10px; }
                .txa-load-pct { font-size: 42px; }
            }

            .txa-load-bar { width:100%; height:5px; background:rgba(255,255,255,0.1); border-radius:10px; overflow:hidden; margin-top:10px; }
            .txa-load-bar-fill { height:100%; width:0%; background:linear-gradient(90deg, var(--txa-brand), #f472b6); border-radius:10px; transition:width 0.4s cubic-bezier(0.4, 0, 0.2, 1); box-shadow: 0 0 15px var(--txa-brand-glow); }
            @keyframes txaspin { to { transform:rotate(360deg); } }

            /* STATS PANEL - Premium Centered */
            .txa-stats-panel { 
                position:absolute; top:50%; left:50%; transform:translate(-50%, -50%) scale(0.9);
                z-index:2147483647; 
                background:rgba(10, 10, 15, 0.9); backdrop-filter:blur(30px); 
                border:1px solid rgba(255,255,255,0.15); border-radius:24px; 
                padding:25px; min-width:320px; max-width:450px; 
                font-family:'Outfit', system-ui, sans-serif; 
                display:none; pointer-events:auto;
                box-shadow: 0 30px 100px rgba(0,0,0,0.9), 0 0 40px rgba(139,92,246,0.2);
                transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
            }
            .txa-stats-panel.active { display:block; animation:txaStatsIn 0.5s cubic-bezier(0.16, 1, 0.3, 1) forwards; }
            @keyframes txaStatsIn { 
                from { opacity:0; transform:translate(-50%, -45%) scale(0.95); } 
                to { opacity:1; transform:translate(-50%, -50%) scale(1); } 
            }
            @keyframes txaShortcutsIn {
                from { opacity:0; transform:translateY(20px) scale(0.95); }
                to { opacity:1; transform:translateY(0) scale(1); }
            }
            .txa-shortcuts-panel {
                position: absolute; inset: 0;
                display: flex; align-items: center; justify-content: center;
                pointer-events: none; z-index: 2147483647;
            }
            .txa-shortcuts-panel.active { pointer-events: auto; }
            .txa-shortcuts-panel .txa-shortcuts-content {
                background:rgba(10, 10, 15, 0.9); backdrop-filter:blur(30px); 
                border:1px solid rgba(255,255,255,0.15); border-radius:24px; 
                padding:25px; min-width:320px; max-width:500px; 
                font-family:'Outfit', system-ui, sans-serif; 
                box-shadow: 0 30px 100px rgba(0,0,0,0.9), 0 0 40px rgba(139,92,246,0.2);
                opacity: 0; /* Start hidden for animation */
                animation: txaShortcutsIn 0.5s cubic-bezier(0.16, 1, 0.3, 1) forwards;
            }
            .txa-shortcuts-table { width: 100%; border-collapse: separate; border-spacing: 0 8px; }
            .txa-shortcuts-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
            @media (max-width: 600px) { .txa-shortcuts-grid { grid-template-columns: 1fr; } }
            .txa-shortcuts-table th { text-align: left; font-size: 11px; text-transform: uppercase; color: var(--txa-brand); letter-spacing: 1px; padding: 0 10px 10px; opacity: 0.8; }
            .txa-shortcuts-table td { padding: 8px 10px; background: rgba(255,255,255,0.03); border: 1px solid rgba(255,255,255,0.05); }
            .txa-shortcuts-table td:first-child { border-radius: 10px 0 0 10px; border-right: none; font-size: 13px; color: #cbd5e1; }
            .txa-shortcuts-table td:last-child { border-radius: 0 10px 10px 0; border-left: none; text-align: right; }
            .txa-shortcuts-table kbd { 
                background: #1e293b; color: #fff; padding: 3px 8px; border-radius: 6px; 
                border-bottom: 2px solid #000; font-size: 10px; font-weight: 800; 
                font-family: inherit; display: inline-block; min-width: 18px; text-align: center;
                box-shadow: 0 2px 5px rgba(0,0,0,0.5);
            }
            .txa-shortcuts-table tr:hover td { background: rgba(139, 92, 246, 0.1); border-color: rgba(139, 92, 246, 0.3); }
            .txa-stats-header { display:flex; align-items:center; justify-content:space-between; margin-bottom:10px; padding-bottom:8px; border-bottom:1px solid rgba(255,255,255,0.08); }
            .txa-stats-title { font-size:12px; font-weight:800; color:var(--txa-brand); text-transform:uppercase; letter-spacing:1px; display:flex; align-items:center; gap:6px; }
            .txa-stats-title i { font-size:11px; }
            .txa-stats-close { background:none; border:none; color:rgba(255,255,255,0.4); cursor:pointer; font-size:14px; padding:4px; border-radius:6px; transition:0.2s; }
            .txa-stats-close:hover { color:#fff; background:rgba(255,255,255,0.1); }
            .txa-stats-grid { display:grid; grid-template-columns:1fr 1fr; gap:6px; }
            .txa-stat-item { display:flex; flex-direction:column; gap:2px; padding:6px 8px; background:rgba(255,255,255,0.03); border-radius:8px; }
            .txa-stat-item.full { grid-column:1/-1; }
            .txa-stat-label { font-size:9px; font-weight:700; color:rgba(255,255,255,0.35); text-transform:uppercase; letter-spacing:0.8px; }
            .txa-stat-value { font-size:13px; font-weight:700; color:#fff; font-variant-numeric:tabular-nums; }
            .txa-stat-value.brand { color:var(--txa-brand); }
            .txa-stat-value.green { color:#34d399; }
            .txa-stat-value.yellow { color:#fbbf24; }
            .txa-stat-value.red { color:#f87171; }
            @media (max-width:600px) {
                .txa-stats-panel { 
                    top:5px; left:5px; right:5px; width: auto;
                    min-width:unset; max-width:unset; padding:12px; 
                    font-size:10px; border-radius: 12px;
                }
                .txa-stats-grid { grid-template-columns: 1fr; gap:4px; }
                .txa-stat-item { padding: 4px 8px; flex-direction: row; justify-content: space-between; align-items: center; }
                .txa-stat-item.full { flex-direction: column; align-items: flex-start; }
                .txa-stat-value { font-size:11px; text-align: right; max-width: 60%; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
                .txa-stat-item.full .txa-stat-value { text-align: left; max-width: 100%; }
                .txa-load-pct { font-size:22px; }
                .txa-load-speed { font-size:11px; }
            }

            /* REPLAY OVERLAY */
            .txa-replay-overlay {
                position:absolute; inset:0; background:rgba(0,0,0,0.85); z-index:250;
                display:none; align-items:center; justify-content:center; flex-direction:column; gap:20px;
                backdrop-filter:blur(15px);
            }
            .txa-replay-overlay.show { display:flex; }
            .txa-replay-btn {
                width:100px; height:100px; background:var(--txa-brand); border:none; border-radius:50%;
                display:flex; align-items:center; justify-content:center; cursor:pointer;
                transition:all 0.3s; box-shadow:0 10px 40px var(--txa-brand-glow);
            }
            .txa-replay-btn:hover { transform:scale(1.1); box-shadow:0 15px 50px var(--txa-brand-glow); }
            .txa-replay-btn i { font-size:40px; color:#fff; }
            .txa-replay-text { font-size:18px; font-weight:600; color:#fff; }

            /* FEEDBACK POPUP */
            .txa-feedback {
                position:absolute; top:50%; left:50%; transform:translate(-50%,-50%) scale(0.8);
                background:var(--txa-glass); backdrop-filter:blur(20px); border:1px solid var(--txa-border);
                padding:16px 28px; border-radius:16px; font-size:22px; font-weight:700; color:#fff;
                opacity:0; pointer-events:none; transition:all 0.4s cubic-bezier(0.16,1,0.3,1); z-index:1100;
                box-shadow:0 15px 40px rgba(0,0,0,0.5); display:flex; align-items:center; gap:12px;
            }
            .txa-feedback.show { opacity:1; transform:translate(-50%,-50%) scale(1); }
            
            /* Smart Avoidance: Shift feedback up when Countdown is showing */
            .has-countdown .txa-feedback.show { transform:translate(-50%, -120%) scale(1); }
            @media (max-width: 768px) {
                .has-countdown .txa-feedback.show { transform:translate(-50%, -150%) scale(0.9); }
            }
            .txa-feedback.high-priority { z-index: 1000; background: var(--txa-brand); border-color: rgba(255,255,255,0.3); box-shadow: 0 20px 50px var(--txa-brand-glow); }
            .txa-feedback.high-priority span { font-size: 18px; font-weight: 800; }
            .txa-feedback i { font-size:26px; color:var(--txa-brand); }
            .txa-feedback.high-priority i { color: #fff; }

            /* SEEK BADGES */
            .txa-seek-badge {
                position:absolute; top:50%; width:90px; height:90px; background:rgba(0,0,0,0.6);
                border-radius:50%; display:flex; flex-direction:column; align-items:center; justify-content:center;
                backdrop-filter:blur(10px); border:1px solid var(--txa-border);
                opacity:0; pointer-events:none; transition:all 0.25s; z-index:100;
            }
            .txa-seek-badge.left { left:18%; transform:translate(-50%,-50%); }
            .txa-seek-badge.right { right:18%; transform:translate(50%,-50%); }
            .txa-seek-badge.show { opacity:1; }
            .txa-seek-badge i { font-size:22px; margin-bottom:6px; }
            .txa-seek-badge span { font-size:16px; font-weight:700; }

            /* CENTER PLAY */
            .txa-center-play {
                position:absolute; top:50%; left:50%; transform:translate(-50%,-50%) scale(0.9);
                width:80px; height:80px; background:rgba(255,255,255,0.15); border-radius:50%;
                display:flex; align-items:center; justify-content:center; backdrop-filter:blur(10px);
                border:1px solid rgba(255,255,255,0.2); opacity:0; transition:all 0.3s; pointer-events:none;
                z-index: 150; cursor: pointer;
            }
            .txa-center-play.show { opacity:1; transform:translate(-50%,-50%) scale(1); pointer-events:auto; }
            .txa-center-play i { font-size:30px; }

            .txa-video { width:100%; height:100%; object-fit:contain; cursor: pointer; }

            /* TICKER NOTIFICATION - PREMIUM MARQUEE */
            .txa-ticker-container {
                position: absolute; bottom: 40px; left: 0; right: 0; pointer-events: none; z-index: 20000; display: none;
                height: 50px; overflow: hidden;
                mask-image: linear-gradient(to right, transparent, black 15%, black 85%, transparent);
                -webkit-mask-image: linear-gradient(to right, transparent, black 15%, black 85%, transparent);
                transition: bottom 0.5s cubic-bezier(0.16, 1, 0.3, 1);
            }
            .txa-ticker-container.active { display: block; }
            .active-ui .txa-ticker-container { bottom: 130px; } /* Push up when controls are visible */
            .has-countdown .txa-ticker-container { bottom: 180px; }

            .txa-ticker-text {
                position: absolute; top: 50%; transform: translateY(-50%);
                white-space: nowrap; font-size: 15px; font-weight: 500; color: rgba(255,255,255,0.9);
                text-shadow: 0 2px 10px rgba(0,0,0,0.8);
                font-family: 'Inter', sans-serif; letter-spacing: 0.3px;
                left: 100%; will-change: transform, left;
                padding: 10px 24px; border-radius: 12px;
                display: flex; align-items: center; gap: 10px;
                box-shadow: 0 10px 30px rgba(0,0,0,0.3);
            }
            .txa-ticker-text img { height: 20px; vertical-align: middle; margin-right: 5px; }
            
            /* Ticker Variants - Random Backgrounds */
            .txa-ticker-text.style-1 {
                background: rgba(15, 23, 42, 0.8);
                backdrop-filter: blur(12px);
                border: 1px solid rgba(255, 255, 255, 0.08);
            }
            .txa-ticker-text.style-2 {
                background: linear-gradient(90deg, rgba(88, 28, 135, 0.85), rgba(124, 58, 237, 0.85));
                backdrop-filter: blur(12px);
                border: 1px solid rgba(139, 92, 246, 0.3);
                box-shadow: 0 10px 40px rgba(139, 92, 246, 0.4);
            }
            .txa-ticker-text.style-3 {
                background: linear-gradient(90deg, rgba(6, 182, 212, 0.85), rgba(59, 130, 246, 0.85));
                backdrop-filter: blur(12px);
                border: 1px solid rgba(6, 182, 212, 0.3);
                box-shadow: 0 10px 40px rgba(6, 182, 212, 0.4);
            }
            .txa-ticker-text.style-4 {
                background: rgba(255, 255, 255, 0.1);
                backdrop-filter: blur(20px) saturate(180%);
                border: 1px solid rgba(255, 255, 255, 0.2);
                color: #fff;
            }

            .txa-ticker-text span.highlight { color: #facc15; font-weight: 800; }
            .txa-ticker-text span.brand { color: #a78bfa; font-weight: 900; text-transform:uppercase; letter-spacing:1px; }
            .txa-ticker-text i { font-size: 18px; margin-right: 4px; }
            
            .txa-ticker-text.run { animation: txamarquee var(--ticker-dur) linear forwards; }
            @keyframes txamarquee {
                from { left: 100%; transform: translate(0, -50%); }
                to { left: 0%; transform: translate(-100%, -50%); }
            }

            /* TXA PRO TOGGLES */
            /* TXA PRO TOGGLES - BADGE STYLE */
            .txa-btn-pro { width: 42px; padding: 0; border-radius: 50%; gap: 0; border: 1px solid transparent; position: relative; }
            .txa-btn-pro:hover { background: rgba(255,255,255,0.1); border-color: transparent; }
            .txa-btn-status { 
                position: absolute; top: -2px; right: -2px;
                font-size: 8px; font-weight: 900; 
                padding: 1px 3px; border-radius: 6px; 
                background: #475569; color: #cbd5e1; 
                transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
                min-width: 18px; text-align: center;
                border: 2px solid rgba(0,0,0,0.9); /* Cutout effect for dark mode */
                transform: scale(0.9); z-index: 5;
            }
            .txa-btn-pro.active .txa-btn-status { 
                background: var(--txa-brand); color: #fff; 
                box-shadow: 0 0 8px var(--txa-brand-glow); 
                transform: scale(1);
                border-color: #000;
            }
            .txa-btn-pro.active i { color: var(--txa-brand-light); filter: drop-shadow(0 0 5px var(--txa-brand-glow)); }

            /* CONTROLS */
            .txa-controls {
                position:absolute; bottom:0; left:0; right:0; z-index:100; padding:20px;
                background:linear-gradient(transparent, rgba(0,0,0,0.95) 80%); pointer-events:none;
                opacity:0; transform:translateY(15px); transition:all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
                cursor: default;
            }
            .active-ui .txa-controls { opacity:1; transform:translateY(0); pointer-events:auto; }

            /* PROGRESS - THICKER */
            .txa-progress-wrap { position:relative; height:10px; width:100%; cursor:pointer; margin-bottom:20px; transition:all 0.15s; }
            .txa-progress-wrap:hover { height:16px; }
            .txa-progress-bg { position:absolute; inset:0; background:rgba(255,255,255,0.15); border-radius:6px; overflow:hidden; }
            .txa-progress-buf { position:absolute; height:100%; background:rgba(255,255,255,0.4); border-radius:6px; width:0; transition: width 0.4s ease; overflow:hidden; z-index: 2; box-shadow: 0 0 10px rgba(255,255,255,0.1); }
            .txa-progress-buf.loading { background:rgba(255,255,255,0.5); }
            .txa-progress-buf.loading::after { content:''; position:absolute; inset:0; background:linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent); animation:txaBufShimmer 1.5s ease-in-out infinite; }
            @keyframes txaBufShimmer { 0% { transform:translateX(-100%); } 100% { transform:translateX(100%); } }
            .txa-progress-fill { position:absolute; height:100%; background:var(--txa-brand); border-radius:6px; width:0; box-shadow:0 0 15px var(--txa-brand-glow); z-index: 3; }
            
            /* SCRUBBER - REFINED */
            .txa-scrubber {
                position:absolute; right:-11px; top:50%; transform:translateY(-50%) scale(1);
                width:22px; height:22px; background:var(--txa-brand); border-radius:50%;
                box-shadow:0 0 15px var(--txa-brand-glow); transition:transform 0.15s;
                display:flex; align-items:center; justify-content:center;
                z-index: 5; border: 2px solid white; cursor: grab;
            }
            .txa-scrubber:active { cursor: grabbing; }
            .txa-scrubber::after {
                content:'T'; font-size:12px; font-weight:900; color:#fff;
                font-family:'Inter',sans-serif;
            }

            /* MARKERS - HIGHLIGHTED */
            .txa-marker-zone {
                position:absolute; top:0; height:100%; z-index:5; pointer-events:none;
            }
            .txa-marker-zone.intro {
                background: #facc15;
                opacity: 0.8;
                box-shadow: 0 0 15px rgba(250, 204, 21, 0.6);
            }
            .txa-marker-zone.outro {
                background: #f87171;
                opacity: 0.8;
                box-shadow: 0 0 15px rgba(248, 113, 113, 0.6);
            }
            .txa-marker-dot {
                position:absolute; top:50%; width:8px; height:8px; border-radius:50%;
                transform:translateY(-50%); z-index:5; box-shadow:0 0 10px currentColor; border: 1px solid #fff;
            }
            .txa-marker-dot.intro-start, .txa-marker-dot.intro-end { background:var(--txa-intro); color:var(--txa-intro); }
            .txa-marker-dot.outro-start, .txa-marker-dot.outro-end { background:var(--txa-outro); color:var(--txa-outro); }

            /* HOVER TIME TOOLTIP */
            .txa-hover-time {
                position:absolute; bottom:28px; transform:translateX(-50%); background:rgba(0,0,0,0.85);
                backdrop-filter: blur(8px);
                padding:4px 10px; border-radius:6px; font-size:13px; font-weight:800; pointer-events:none;
                color: #fff;
                opacity:0; transition:opacity 0.15s, bottom 0.2s ease; border:1px solid rgba(255,255,255,0.1); 
                z-index:20;
                box-shadow: 0 4px 12px rgba(0,0,0,0.5);
                white-space: nowrap;
            }
            .txa-progress-wrap:hover .txa-hover-time { opacity:1; }
            .txa-progress-wrap.dragging .txa-hover-time { opacity:1; }

            /* Dynamic positioning when preview thumbnail is visible */
            .txa-preview-thumb.has-sprite ~ .txa-hover-time {
                bottom: 142px; /* 40px (thumb bottom) + 90px (thumb height) + 12px (offset) */
                background: var(--txa-brand);
                border-color: var(--txa-brand-glow);
                box-shadow: 0 4px 15px var(--txa-brand-glow);
            }

            /* PREVIEW THUMBNAIL on progress bar hover */
            .txa-preview-thumb {
                position:absolute; bottom:40px; transform:translateX(-50%);
                width:160px; height:90px;
                background-color:#000; background-size:1600px 900px; background-repeat:no-repeat;
                border-radius:8px; border:2px solid rgba(139,92,246,0.6);
                box-shadow:0 8px 32px rgba(0,0,0,0.8), 0 0 16px rgba(139,92,246,0.3);
                pointer-events:none; opacity:0; transition:opacity 0.15s ease;
                z-index:11; overflow:hidden;
            }
            .txa-preview-thumb::after {
                content:''; position:absolute; inset:0;
                border-radius:6px;
                box-shadow: inset 0 0 0 1px rgba(255,255,255,0.1);
                pointer-events:none;
            }
            .txa-preview-thumb.loading::before {
                content:''; position:absolute; top:50%; left:50%;
                width:20px; height:20px; margin:-10px 0 0 -10px;
                border:2px solid rgba(255,255,255,0.15); border-top-color:var(--txa-brand);
                border-radius:50%; animation:txaspin 0.6s linear infinite;
            }
            .txa-progress-wrap:hover .txa-preview-thumb.has-sprite { opacity:1; }
            .txa-progress-wrap.dragging .txa-preview-thumb.has-sprite { opacity:1; }

            /* TOOLBAR */
            .txa-toolbar { display:flex; align-items:center; justify-content:space-between; position:relative; z-index: 10; }
            .txa-group { display:flex; align-items:center; gap:6px; background:var(--txa-glass); backdrop-filter:blur(16px); padding:5px 10px; border-radius:100px; border:1px solid var(--txa-border); transition:all 0.3s; }
            
            .txa-btn { background:none; border:none; color:#fff; width:42px; height:42px; display:flex; align-items:center; justify-content:center; cursor:pointer; border-radius:50%; transition:all 0.2s; position:relative; }
            .txa-btn:hover { background:rgba(255,255,255,0.12); }
            .txa-btn i { font-size:17px; filter: drop-shadow(0 0 5px rgba(0,0,0,0.5)); }

            .txa-video { width:100%; height:100%; object-fit:contain; cursor: pointer; }
            .txa-wrapper { position:relative; width:100%; height:100%; outline:none; cursor: none; }
            .txa-wrapper.active-ui { cursor: auto; }
            
            /* v6.4.6 - Force Hide Controls (for Speed Preview) */
            .txa-wrapper.hide-controls .txa-controls, 
            .txa-wrapper.hide-controls .txa-top-info, 
            .txa-wrapper.hide-controls .txa-realtime-clock { opacity: 0 !important; transform: translateY(15px); pointer-events: none !important; }
            .txa-wrapper.hide-controls .txa-top-info { transform: translateY(-20px); }

            /* CC/SUB INDICATOR */
            .txa-btn.cc-active { color: var(--txa-brand); }
            .txa-btn.cc-active i { filter: drop-shadow(0 0 8px var(--txa-brand-glow)); }

            /* TOOLTIP PUSHED HIGHER - SMART POSITIONING */
            /* TOOLTIP PUSHED HIGHER - SMART POSITIONING */
            .txa-tooltip { position:absolute; bottom:70px; left:50%; transform:translateX(-50%); background:var(--txa-glass-light); padding:8px 16px; border-radius:10px; font-size:12px; font-weight:700; white-space:nowrap; opacity:0; transition:all 0.2s; pointer-events:none; border:1px solid var(--txa-border); z-index:1000; box-shadow: 0 10px 30px rgba(0,0,0,0.6); }
            
            /* Right align tooltips for right-side buttons */
            .txa-right-group .txa-btn .txa-tooltip { left:auto; right:0; transform:translateX(0); }
            .txa-btn:hover .txa-tooltip { opacity:1; bottom:65px; }

            .txa-time { font-size:13px; font-weight:700; margin:0 14px; color:#cbd5e1; font-feature-settings:"tnum"; }

            /* VOLUME PREMIUM ENHANCED */
            .txa-vol-container { display:flex; align-items:center; position:relative; }
            .txa-vol-slider-wrap { 
                position:relative;
                width:0; overflow:hidden; transition:width 0.3s cubic-bezier(0.16, 1, 0.3, 1); 
                display:flex; align-items:center; height: 42px;
            }
            .txa-vol-container:hover .txa-vol-slider-wrap { width:130px; }
            .txa-vol-slider { 
                width:115px; height:24px; margin-left:12px; appearance:none; -webkit-appearance:none; 
                background: linear-gradient(to right, var(--txa-brand) 0%, rgba(255,255,255,0.1) 0%);
                background-size: 100% 6px;
                background-position: center;
                background-repeat: no-repeat;
                border-radius:10px; cursor:pointer; outline:none;
                transition: background 0.2s;
            }
            .txa-vol-tooltip-p {
                position:absolute; bottom:75px; background:var(--txa-glass-light);
                backdrop-filter:blur(10px); color:#fff; padding:4px 10px; border-radius:8px;
                font-size:11px; font-weight:800; opacity:0; pointer-events:none;
                transition: opacity 0.2s, transform 0.2s; transform:translateX(-50%) translateY(5px);
                border:1px solid var(--txa-border); z-index:100; box-shadow:0 8px 20px rgba(0,0,0,0.4);
            }
            .txa-vol-tooltip-p.visible { opacity:1; transform:translateX(-50%) translateY(0); }

            .txa-vol-slider::-webkit-slider-thumb { 
                -webkit-appearance:none; appearance:none; width:18px; height:18px; 
                background:#fff; border-radius:50%; box-shadow:0 0 15px var(--txa-brand-glow); 
                border: 3px solid var(--txa-brand); cursor:pointer;
                transition: transform 0.1s;
            }
            .txa-vol-slider::-webkit-slider-thumb:hover { transform: scale(1.2); }
            .txa-vol-slider::-moz-range-thumb { 
                appearance:none; width:18px; height:18px; background:#fff; border-radius:50%; 
                box-shadow:0 0 15px var(--txa-brand-glow); border: 3px solid var(--txa-brand); 
                cursor:pointer; transition: transform 0.1s;
            }
            .txa-vol-slider::-moz-range-thumb:hover { transform: scale(1.2); }

            /* SETTINGS PANEL */
            .txa-panel {
                position:absolute; bottom:95px; right:20px; width:300px;
                max-height: 480px; height: auto; overflow-y:auto; /* Fixed height safe */
                background:var(--txa-glass); backdrop-filter:blur(30px); border:1px solid var(--txa-border);
                border-radius:20px; display:none; z-index:200;
                box-shadow:0 30px 60px rgba(0,0,0,0.7); animation:txafadeIn 0.25s cubic-bezier(0.16, 1, 0.3, 1);
            }
            /* Custom Scrollbar for Panel */
            .txa-panel::-webkit-scrollbar { width:4px; }
            .txa-panel::-webkit-scrollbar-track { background:transparent; }
            .txa-panel::-webkit-scrollbar-thumb { background:rgba(255,255,255,0.2); border-radius:4px; }
            .txa-panel::-webkit-scrollbar-thumb:hover { background:var(--txa-brand); }
            .txa-panel.active { display:block; }
            @keyframes txafadeIn { from { opacity:0; transform:translateY(10px) scale(0.95); } to { opacity:1; transform:translateY(0) scale(1); } }

            .txa-panel-header { position: sticky; top: 0; background: #1a1a24; z-index: 20; padding:16px 20px; border-bottom:1px solid var(--txa-border); font-weight:700; font-size:15px; display:flex; align-items:center; gap:10px; }
            .txa-panel-header i { color:var(--txa-brand); }
            .txa-menu-item { padding:14px 20px; display:flex; align-items:center; justify-content:space-between; cursor:pointer; font-size:14px; color:#e2e8f0; transition:all 0.2s; }
            .txa-menu-item:hover { background:rgba(255,255,255,0.08); }
            .txa-menu-item.active { color:var(--txa-brand); font-weight:700; background: rgba(139,92,246,0.1); }
            .txa-menu-item span:last-child { opacity:0.6; font-size:12px; font-weight:600; }
            .txa-menu-item.active span { opacity:1; }

            .txa-menu-back { position: sticky; top: 0; background: #1a1a24; z-index: 20; padding:14px 20px; border-bottom:1px solid var(--txa-border); display:flex; align-items:center; gap:12px; cursor:pointer; font-weight:700; font-size:14px; }
            .txa-menu-back:hover { background:rgba(255,255,255,0.08); }

            /* CONTEXT MENU */
            .txa-ctx {
                position:absolute; min-width:240px; background:var(--txa-glass); backdrop-filter:blur(30px);
                border:1px solid var(--txa-border); border-radius:16px; padding:8px 0; display:none; z-index:300;
                box-shadow:0 20px 50px rgba(0,0,0,0.7); animation:txafadeIn 0.2s;
            }
            .txa-ctx.active { display:block; }
            .txa-ctx-header { padding:12px 18px; font-size:11px; text-transform:uppercase; letter-spacing:1px; color:var(--txa-brand); font-weight:800; border-bottom:1px solid var(--txa-border); margin-bottom:4px; }
            .txa-ctx-item { padding:12px 18px; font-size:13px; color:#e2e8f0; cursor:pointer; display:flex; justify-content:space-between; align-items:center; transition:0.15s; }
            .txa-ctx-item:hover { background:rgba(139,92,246,0.15); color:#fff; }
            .txa-ctx-divider { height:1px; background:var(--txa-border); margin:6px 0; }
            .txa-ctx-footer { padding:10px 18px; font-size:11px; color:#64748b; text-align:center; font-weight:600; }

            /* SWITCH TOGGLE */
            .txa-switch { position:relative; display:inline-block; width:36px; height:20px; }
            .txa-switch input { opacity:0; width:0; height:0; }
            .txa-slider { position:absolute; cursor:pointer; inset:0; background:rgba(255,255,255,0.1); transition:.4s; border-radius:34px; border:1px solid var(--txa-border); }
            .txa-slider:before { position:absolute; content:""; height:14px; width:14px; left:2px; bottom:2px; background:white; transition:.4s; border-radius:50%; }
            .txa-switch input:checked + .txa-slider { background:var(--txa-brand); border-color:transparent; }
            .txa-switch input:checked + .txa-slider:before { transform:translateX(16px); }

            /* SUBTITLES - DRAGGABLE */
            .txa-captions { 
                position:absolute; bottom:110px; left:50%; transform:translateX(-50%); 
                text-align:center; width:auto; max-width:80%; z-index:90; transition: bottom 0.3s;
                cursor:grab; user-select:none; white-space: pre-wrap; word-break: break-word;
            }
            .txa-captions.dragging { cursor:grabbing; }
            .txa-cue { 
                display:inline-block; padding:8px 16px; border-radius:12px; 
                background:rgba(0,0,0,0.75); font-size:24px; font-weight:600; 
                text-shadow:0 2px 4px rgba(0,0,0,0.5); line-height: 1.4; 
                pointer-events:none;
            }
            
            /* Subtitle Style Presets */
            .txa-captions.size-mini .txa-cue { font-size:14px; padding:4px 8px; }
            .txa-captions.size-small .txa-cue { font-size:18px; padding:6px 12px; }
            .txa-captions.size-medium .txa-cue { font-size:24px; }
            .txa-captions.size-large .txa-cue { font-size:32px; padding:10px 20px; }
            .txa-captions.size-jumbo .txa-cue { font-size:48px; padding:14px 28px; }
            
            .txa-captions.bg-none .txa-cue { background:transparent; text-shadow:1px 1px 2px #000, -1px -1px 2px #000, 1px -1px 2px #000, -1px 1px 2px #000; }
            .txa-captions.bg-dark .txa-cue { background:rgba(0,0,0,0.85); }
            .txa-captions.bg-light .txa-cue { background:rgba(255,255,255,0.2); }
            .txa-captions.bg-glass .txa-cue { background:rgba(15, 23, 42, 0.6); backdrop-filter:blur(8px); border:1px solid rgba(255,255,255,0.1); }
            
            .txa-captions.weight-bold .txa-cue { font-weight: 800; }
            .txa-captions.weight-normal .txa-cue { font-weight: 500; }

            /* Subtitle Stroke (Border) */
            .txa-captions.stroke-on .txa-cue { -webkit-text-stroke: 2px #000; paint-order: stroke fill; }
            .txa-captions.stroke-white .txa-cue { -webkit-text-stroke-color: #ffffff !important; }
            .txa-captions.stroke-black .txa-cue { -webkit-text-stroke-color: #000000 !important; }
            .txa-captions.stroke-yellow .txa-cue { -webkit-text-stroke-color: #facc15 !important; }
            .txa-captions.stroke-red .txa-cue { -webkit-text-stroke-color: #f87171 !important; }
            .txa-captions.stroke-blue .txa-cue { -webkit-text-stroke-color: #3b82f6 !important; }

            /* Subtitle Color Classes */
            .txa-captions.color-white .txa-cue { color: #ffffff !important; }
            .txa-captions.color-yellow .txa-cue { color: #facc15 !important; }
            .txa-captions.color-orange .txa-cue { color: #fb923c !important; }
            .txa-captions.color-red .txa-cue { color: #f87171 !important; }
            .txa-captions.color-green .txa-cue { color: #4ade80 !important; }
            .txa-captions.color-cyan .txa-cue { color: #22d3ee !important; }
            .txa-captions.color-pink .txa-cue { color: #f472b6 !important; }
            .txa-captions.color-violet .txa-cue { color: #a78bfa !important; }

            .txa-stroke-ctrl { overflow:hidden; transition: max-height 0.4s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.3s; max-height:0; opacity:0; }
            .txa-stroke-ctrl.active { max-height: 100px; opacity:1; padding-top:10px; }
            .txa-color-btn[data-substroke].active { transform:scale(1.2); border:2px solid #fff; }

            /* SKIP BUTTONS - PUSHED HIGHER */
            .txa-skip-btn { position:absolute; bottom:160px; right:30px; z-index:120; background:rgba(255,255,255,0.1); border:2px solid var(--txa-border); backdrop-filter:blur(15px); color:#fff; padding:12px 28px; border-radius:14px; font-size:13px; font-weight:800; cursor:pointer; display:none; transition:all 0.3s cubic-bezier(0.16, 1, 0.3, 1); box-shadow: 0 10px 30px rgba(0,0,0,0.5); }
            .txa-skip-btn:hover { background:var(--txa-brand); border-color:transparent; transform:scale(1.05) translateX(-5px); }
            .txa-skip-btn.intro { border-color:var(--txa-intro); color:#fff; }
            .txa-skip-btn.intro:hover { background:var(--txa-intro); box-shadow: 0 10px 30px rgba(251,191,36,0.5); }
            .txa-skip-btn.outro { border-color:var(--txa-outro); color:#fff; }
            .txa-skip-btn.outro:hover { background:var(--txa-outro); box-shadow: 0 10px 30px rgba(239,68,68,0.5); }

            /* ZONES */
            .txa-zone { position:absolute; top:0; bottom:0; width:30%; z-index:30; cursor: pointer; }
            .txa-zone.left { left:0; }
            .txa-zone.right { right:0; }

            /* UTILS */
            .txa-hidden { display:none !important; }
            /* Grid for Sub Style */
            .txa-grid-opts { display:grid; grid-template-columns:1fr 1fr; gap:8px; padding:0 20px 14px; }
            .txa-grid-item { 
                background:rgba(255,255,255,0.05); border:1px solid transparent; border-radius:8px; 
                padding:8px; font-size:12px; text-align:center; cursor:pointer; transition:all 0.2s; color:#cbd5e1;
            }
            .txa-grid-item:hover { background:rgba(255,255,255,0.1); }
            .txa-grid-item.active { background:rgba(139,92,246,0.15); border-color:var(--txa-brand); color:#fff; font-weight:700; }
            
            /* Color circles */
            .txa-color-opts { display:flex; gap:10px; padding:0 20px 20px; justify-content:center; }
            .txa-color-btn { width:32px; height:32px; border-radius:50%; border:2px solid transparent; cursor:pointer; transition:all 0.2s; position:relative; }
            .txa-color-btn.active { border-color:white; transform:scale(1.1); box-shadow:0 0 10px var(--txa-brand-glow); }
            .txa-color-btn[data-subcolor="white"] { background:#fff; }
            .txa-color-btn[data-subcolor="yellow"] { background:#facc15; }
            .txa-color-btn[data-subcolor="orange"] { background:#fb923c; }
            .txa-color-btn[data-subcolor="red"] { background:#f87171; }
            .txa-color-btn[data-subcolor="green"] { background:#4ade80; }
            .txa-color-btn[data-subcolor="cyan"] { background:#22d3ee; }
            .txa-color-btn[data-subcolor="pink"] { background:#f472b6; }
            .txa-color-btn[data-subcolor="violet"] { background:#a78bfa; }

            /* v5.8.0 - THEATER MODE */
            body.theater-mode-active {
                overflow: hidden !important;
            }
            body.theater-mode-active::after {
                content: "";
                position: fixed;
                inset: 0;
                background: rgba(0, 0, 0, 0.95);
                z-index: 999998;
                backdrop-filter: blur(15px);
                animation: txaFadeIn 0.5s ease forwards;
            }
            @keyframes txaFadeIn {
                from { opacity: 0; }
                to { opacity: 1; }
            }
            .txa-wrapper.theater-mode {
                z-index: 999999 !important;
                position: fixed !important;
                top: 50% !important;
                left: 50% !important;
                transform: translate(-50%, -50%) !important;
                width: 95vw !important;
                max-width: 1600px !important;
                height: 53.43vw !important; /* Aspect ratio 16:9 */
                max-height: 90vh !important;
                border-radius: 24px;
                box-shadow: 0 0 100px rgba(0, 0, 0, 0.8), 0 0 40px rgba(229, 9, 20, 0.3);
                transition: all 0.5s cubic-bezier(0.16, 1, 0.3, 1) !important;
            }
            /* body.theater-mode-active handled here */

            /* v5.8.0 - CINEMA AMBIENT LIGHT */
            .txa-ambient-canvas {
                position: absolute;
                top: -50px;
                left: -50px;
                right: -50px;
                bottom: -50px;
                pointer-events: none;
                z-index: -1;
                filter: blur(80px) saturate(2);
                opacity: 0;
                transition: opacity 0.8s ease;
            }
            .txa-wrapper.cinema-mode .txa-ambient-canvas {
                opacity: 0.6;
            }
            .txa-wrapper.cinema-mode {
                overflow: visible;
                --txa-intro: #fbbf24;
                --txa-outro: #8b5cf6;
            }

            .txa-switch { position: relative; display: inline-block; width: 34px; height: 18px; margin-left: auto; }
            .txa-switch input { opacity: 0; width: 0; height: 0; }
            .txa-slider { position: absolute; cursor: pointer; top: 0; left: 0; right: 0; bottom: 0; background-color: rgba(255,255,255,0.1); transition: .4s; border-radius: 34px; border: 1px solid var(--txa-border); }
            .txa-slider:before { position: absolute; content: ""; height: 12px; width: 12px; left: 2px; bottom: 2px; background-color: white; transition: .4s; border-radius: 50%; }
            input:checked + .txa-slider { background-color: var(--txa-brand); }
            input:checked + .txa-slider:before { transform: translateX(16px); }

            .txa-player-skin.cinema-active {
                background: transparent !important;
            }

            /* v5.8.0 - SPEED PREVIEW INDICATOR */
            .txa-speed-indicator {
                position: absolute;
                top: 30px;
                left: 50%;
                transform: translateX(-50%) translateY(-20px) scale(0.9);
                background: rgba(139, 92, 246, 0.9);
                backdrop-filter: blur(10px);
                padding: 12px 24px;
                border-radius: 100px;
                font-size: 16px;
                font-weight: 800;
                color: #fff;
                display: flex;
                align-items: center;
                gap: 10px;
                z-index: 2147483647;
                opacity: 0;
                pointer-events: none;
                transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
                box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5), 0 0 20px rgba(139, 92, 246, 0.4);
                border: 1px solid rgba(255, 255, 255, 0.2);
            }
            .txa-speed-indicator.show {
                opacity: 1;
                transform: translateY(0) scale(1);
            }
            .txa-speed-indicator i {
                animation: txapulse 0.5s infinite alternate;
            }
            @keyframes txapulse {
                from { transform: scale(1); }
                to { transform: scale(1.2); }
            }

            /* v5.8.0 - RESUME PLAYBACK OVERLAY */
            .txa-resume-overlay {
                position: absolute;
                bottom: 120px;
                left: 50%;
                transform: translateX(-50%) translateY(20px);
                background: var(--txa-glass);
                backdrop-filter: blur(20px);
                border: 1px solid var(--txa-border);
                border-radius: 20px;
                padding: 16px 24px;
                display: flex;
                align-items: center;
                gap: 16px;
                z-index: 210;
                opacity: 0;
                visibility: hidden;
                pointer-events: none;
                transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
                box-shadow: 0 20px 50px rgba(0, 0, 0, 0.6);
            }
            .txa-resume-overlay.show {
                opacity: 1;
                visibility: visible;
                pointer-events: auto;
                transform: translateX(-50%) translateY(0);
            }
            .txa-resume-text {
                display: flex;
                flex-direction: column;
                gap: 4px;
            }
            .txa-resume-text span:first-child {
                font-size: 12px;
                color: #94a3b8;
                font-weight: 600;
            }
            .txa-resume-text span:last-child {
                font-size: 16px;
                font-weight: 800;
                color: #fff;
            }
            .txa-resume-btns {
                display: flex;
                gap: 10px;
            }
            .txa-settings-panel {
                width: 100vw;
                max-width: none;
                padding: 24px 20px 40px 20px;
                border-radius: 24px 24px 0 0;
                bottom: 0;
                left: 0;
                right: 0;
                top: auto;
                transform: translateY(105%);
                max-height: 80vh;
                background: rgba(15, 23, 42, 0.98);
                box-shadow: 0 -10px 40px rgba(0,0,0,0.5);
                border: none;
                border-top: 1px solid rgba(255,255,255,0.1);
                transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
            }

            .txa-settings-panel.active {
                transform: translateY(0);
            }

            .txa-settings-panel::before {
                content: '';
                position: absolute;
                top: 10px;
                left: 50%;
                transform: translateX(-50%);
                width: 40px;
                height: 4px;
                background: rgba(255,255,255,0.2);
                border-radius: 10px;
            }
            .txa-resume-btn {
                padding: 10px 20px;
                border-radius: 12px;
                border: none;
                font-weight: 700;
                font-size: 13px;
                cursor: pointer;
                transition: all 0.2s;
            }
            .txa-resume-btn.primary {
                background: var(--txa-brand);
                color: #fff;
                box-shadow: 0 5px 20px var(--txa-brand-glow);
            }
            .txa-resume-btn.primary:hover {
                transform: translateY(-2px);
                box-shadow: 0 8px 25px var(--txa-brand-glow);
            }
            .txa-resume-btn.secondary {
                background: rgba(255, 255, 255, 0.1);
                color: #fff;
                border: 1px solid var(--txa-border);
            }
            .txa-resume-btn.secondary:hover {
                background: rgba(255, 255, 255, 0.15);
            }

            .txa-ripple {
                position: absolute;
                width: 100px;
                height: 100px;
                background: radial-gradient(circle, rgba(255,255,255,0.4) 0%, rgba(255,255,255,0) 70%);
                border-radius: 50%;
                transform: scale(0);
                pointer-events: none;
                z-index: 50;
                animation: txaripple 0.6s ease-out forwards;
            }
            @keyframes txaripple {
                0% { transform: scale(0); opacity: 1; }
                100% { transform: scale(4); opacity: 0; }
            }

            .txa-btn.mode-active {
                color: var(--txa-brand);
            }
            .txa-btn.mode-active i {
                filter: drop-shadow(0 0 8px var(--txa-brand-glow));
            }

            .txa-badge-quality {
                position: absolute;
                top: 4px;
                right: 4px;
                background: rgba(255,255,255,0.2);
                color: #fff;
                font-size: 8px;
                font-weight: 800;
                padding: 1px 3px;
                border-radius: 3px;
                line-height: 1;
                pointer-events: none;
                transition: all 0.3s;
                display: none;
                z-index: 2;
                font-family: sans-serif;
                box-shadow: 0 1px 3px rgba(0,0,0,0.3);
            }

            /* --- 2X SPEED OVERLAY --- */
            .txa-speed-overlay {
                position: absolute;
                top: 15%;
                left: 50%;
                transform: translateX(-50%);
                background: rgba(0, 0, 0, 0.6);
                color: #fff;
                padding: 8px 16px;
                border-radius: 20px;
                font-size: 13px;
                font-weight: 700;
                opacity: 0;
                transition: opacity 0.2s;
                pointer-events: none;
                z-index: 10000;
                display: flex;
                align-items: center;
                gap: 8px;
                backdrop-filter: blur(4px);
                border: 1px solid rgba(255,255,255,0.1);
            }
            .txa-speed-overlay.show { opacity: 1; }

            /* v6.2.0 - TOP INFO BAR */
            .txa-top-info {
                position: absolute;
                top: 0;
                left: 0;
                right: 0;
                padding: 15px 25px;
                background: linear-gradient(to bottom, rgba(0,0,0,0.85) 0%, rgba(0,0,0,0.4) 50%, transparent 100%);
                z-index: 10002;
                display: flex;
                justify-content: space-between;
                align-items: center;
                opacity: 0;
                transform: translateY(-20px);
                transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
                pointer-events: none;
            }
            .active-ui .txa-top-info { opacity: 1; transform: translateY(0); }
            .txa-top-title { 
                font-weight: 700; 
                font-size: 15px; 
                color: #fff; 
                text-shadow: 0 2px 10px rgba(0,0,0,0.5);
                display: flex;
                align-items: center;
                gap: 8px;
                max-width: 80%;
            }

            /* Desktop Title Size Increase */
            @media (min-width: 1024px) {
                .txa-top-title { font-size: 20px; }
                .txa-top-title i { font-size: 18px; }
                .txa-top-logo { font-size: 24px; }
            }

            .txa-top-title i { color: #facc15; font-size: 14px; }
            
            .txa-top-logo { font-weight: 800; font-size: 18px; letter-spacing: 0.5px; }
            .txa-logo-t { color: #a855f7; }
            .txa-logo-phim { color: #fff; }
            .txa-logo-x { color: #ef4444; }

            /* Aspect Ratio & Flip Support */
            .txa-video.ratio-4-3 { object-fit: fill; aspect-ratio: 4/3; width: auto; height: 100%; margin: 0 auto; display: block; }
            .txa-video.ratio-16-9 { object-fit: contain; aspect-ratio: 16/9; }
            .txa-video.ratio-stretch { object-fit: fill; }
            .txa-video.flip-h { transform: scaleX(-1); }
            .txa-video.flip-v { transform: scaleY(-1); }
            .txa-video.flip-both { transform: scale(-1); }

            /* Hide simple logo in FS when controls are shown */
            .fullscreen-mode.active-ui .txa-brand-logo { opacity: 0 !important; visibility: hidden !important; }

            /* --- NEXT EPISODE COUNTDOWN OVERLAY --- */
            .txa-next-countdown {
                position: absolute; bottom: 120px; right: 30px; 
                background: rgba(15, 23, 42, 0.7); backdrop-filter: blur(25px); -webkit-backdrop-filter: blur(25px);
                border: 1px solid rgba(255,255,255,0.15); border-radius: 20px; padding: 20px;
                display: flex; align-items: center; gap: 20px; z-index: 220;
                transition: all 0.5s cubic-bezier(0.16, 1, 0.3, 1);
                opacity: 0; transform: translateY(20px) scale(0.9); pointer-events: none;
                box-shadow: 0 15px 45px rgba(0,0,0,0.5), 0 0 20px rgba(139,92,246,0.2);
                max-width: 400px;
                padding: 25px;
            }
            .txa-next-countdown.show { opacity: 1; transform: translateY(0) scale(1); pointer-events: auto; }
            .txa-nc-thumb-wrap { position: relative; width: 140px; height: 79px; flex-shrink: 0; }
            .txa-nc-thumb { width: 100%; height: 100%; border-radius: 12px; object-fit: cover; background: #000; border: 1px solid rgba(255,255,255,0.1); }
            .txa-nc-badge {
                position: absolute; top: -10px; left: -10px;
                background: var(--txa-brand); color: #fff;
                padding: 4px 10px; border-radius: 8px;
                font-family: 'Outfit', sans-serif; font-weight: 900; font-size: 16px;
                box-shadow: 0 4px 15px var(--txa-brand-glow);
                border: 2px solid rgba(255,255,255,0.2);
                transform: rotate(-5deg);
                z-index: 2;
                text-shadow: 0 2px 4px rgba(0,0,0,0.3);
            }
            .txa-nc-badge span { font-size: 10px; text-transform: uppercase; margin-right: 3px; opacity: 0.8; font-weight: 600; }
            .txa-nc-info { flex: 1; display: flex; flex-direction: column; gap: 6px; }
            .txa-nc-label { font-size: 12px; font-weight: 800; color: #94a3b8; text-transform: uppercase; letter-spacing: 1.2px; }
            .txa-nc-title { font-size: 16px; font-weight: 700; color: #fff; line-height: 1.4; overflow: hidden; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; }
            .txa-nc-timer { font-size: 13px; font-weight: 600; color: var(--txa-brand-light); }
            .txa-nc-actions { display: flex; flex-direction: column; gap: 10px; }
            .txa-nc-next {
                background: var(--txa-brand); border: none; color: #fff; font-size: 12px; font-weight: 800;
                padding: 8px 16px; border-radius: 10px; cursor: pointer; transition: 0.3s;
                text-align: center; box-shadow: 0 4px 15px rgba(139, 92, 246, 0.3);
            }
            .txa-nc-next:hover { transform: translateY(-2px); filter: brightness(1.1); }
            .txa-nc-cancel { 
                background: rgba(255,255,255,0.08); border: 1px solid rgba(255,255,255,0.1); color: #fff; font-size: 11px; font-weight: 700;
                padding: 6px 12px; border-radius: 10px; cursor: pointer; transition: 0.3s;
                opacity: 0.7;
            }
            .txa-nc-cancel:hover { background: rgba(255,255,255,0.15); opacity: 1; }
            
            .txa-desktop-only { display: none; }
            @media (min-width: 1024px) { .txa-desktop-only { display: block; } }

            @media (max-width: 768px) {
                .txa-next-countdown { left: 15px; right: 15px; bottom: 85px; max-width: none; padding: 15px; gap: 12px; }
                .txa-nc-thumb-wrap { width: 100px; height: 56px; }
                .txa-nc-badge { font-size: 13px; padding: 3px 8px; top: -8px; left: -8px; }

                /* Mobile Controls Minimalist */
                .txa-controls { padding: 8px 15px; }
                .txa-toolbar { display: flex; align-items: center; justify-content: space-between; }
                .txa-group { padding: 3px 6px; gap: 4px; background: rgba(0,0,0,0.4); }
                .txa-btn { width: 34px; height: 34px; }
                .txa-btn i { font-size: 14px; }
                .txa-time { font-size: 10px; margin: 0 4px; }
                
                /* Hide secondary tools on mobile vertical */
                #txa-theater, #txa-cinema, #txa-pip, .txa-vol-container, .txa-watermark { display: none; }
                
                /* Keep PRO buttons small & showing status */
                .txa-btn-pro { width: 32px; height: 32px; }
                .txa-btn-status { font-size: 7px; min-width: 14px; top: -1px; right: -1px; border-width: 1px; transform: scale(0.85); visibility: visible !important; opacity: 1 !important; }

                /* Mobile Controls Minimalist */
                .txa-progress-wrap { height: 14px; margin-bottom: 25px; }
                .txa-progress-wrap::before {
                    content: ''; position: absolute; top: -20px; bottom: -20px; left: 0; right: 0;
                }

                /* Fullscreen Landscape Adjustments */
                .fullscreen-mode .txa-controls { padding: 15px 40px 30px; }
                .fullscreen-mode .txa-toolbar { gap: 15px; }

                /* AUTOMATIC MINIMALISM BASED ON WIDTH */
                @container player (max-width: 500px) {
                    .txa-time { display: none !important; }
                    #txa-cc, #txa-pip, #txa-auto-skip, #txa-auto-next { display: none !important; }
                }

                /* Ticker - Only show in fullscreen on mobile as requested */
                .txa-ticker-container { display: none !important; }
                .fullscreen-mode .txa-ticker-container.active { display: block !important; bottom: 60px; }
                .fullscreen-mode.active-ui .txa-ticker-container { bottom: 120px; }

                /* EXTREME MINIMALISM (< 480px) */
                @media (max-width: 480px) {
                    #txa-auto-skip, #txa-auto-next, #txa-cc, .txa-time { display: none !important; }
                    .txa-group { background: transparent; padding: 0; }
                    .txa-controls { padding: 5px 10px; }
                    .txa-toolbar { height: 40px; }
                    .txa-btn { width: 42px; height: 42px; }
                    .txa-btn i { font-size: 18px; }
                    .txa-top-info { padding: 10px 15px; }
                    .txa-top-logo { display: none; }
                }

                /* TABLET ADAPTATION (768px - 1024px) */
                @media (min-width: 769px) and (max-width: 1024px) {
                    .txa-toolbar { gap: 5px; }
                    #txa-theater, #txa-cinema { display: none; }
                    .txa-btn-status { font-size: 8px; padding: 1px 3px; }
                }
            }
            .txa-ticker-text { font-size: 13px; padding: 8px 18px; }

            /* v6.4.0 - Intermediate Responsive (Tablet/Resized Desktop) */
            @media (max-width: 1024px) {
                .txa-vol-container:hover .txa-vol-slider-wrap { width: 100px; }
                .txa-vol-slider { width: 85px; }
                .txa-top-title { font-size: 16px; }
            }

            /* Hide some buttons on very narrow players even on desk */
            @media (max-width: 650px) {
                #txa-theater, #txa-cinema, #txa-pip, .txa-vol-container { display: none !important; }
                .txa-group { padding: 4px 8px; }
                .txa-btn { width: 38px; height: 38px; }
            }

            /* Ultra small devices */
            @media (max-width: 375px) {
                 .txa-time, #txa-prev, #txa-next { display: none !important; }
                 .txa-nc-title { font-size: 14px; }
                 .txa-top-info { padding: 8px 12px; }
                 .txa-top-logo { font-size: 16px; }
                 .txa-brand-logo { display: none !important; }
                 .txa-realtime-clock { display: none !important; }
            }

            /* Mobile Landscape Enhancements */
            @media (max-width: 768px) and (orientation: landscape) {
                .txa-controls { padding: 6px 12px; }
                .txa-toolbar { height: 35px; }
                .txa-btn { width: 32px; height: 32px; }
                .txa-btn i { font-size: 12px; }
                .txa-time { font-size: 9px; margin: 0 2px; }
                .txa-progress-wrap { height: 12px; margin-bottom: 20px; }
            }

            /* Touch Device Optimizations */
            @media (hover: none) and (pointer: coarse) {
                .txa-btn:hover { background: none; }
                .txa-btn:active { background: rgba(255,255,255,0.15); transform: scale(0.95); }
                .txa-tooltip { display: none !important; }
                
                /* Larger touch targets for mobile */
                .txa-btn { min-width: 44px; min-height: 44px; }
                .txa-vol-slider { height: 28px; }
                .txa-vol-slider::-webkit-slider-thumb { width: 20px; height: 20px; }
                .txa-vol-slider::-moz-range-thumb { width: 20px; height: 20px; }
            }

            /* High DPI Mobile Displays */
            @media (max-width: 768px) and (-webkit-min-device-pixel-ratio: 2) {
                .txa-btn i { filter: drop-shadow(0 0 3px rgba(0,0,0,0.3)); }
                .txa-progress-wrap { height: 16px; }
                .txa-scrubber { width: 16px; height: 16px; }
            }

            .txa-menu-item.disabled { opacity: 0.5; pointer-events: auto; cursor: not-allowed; }
            .txa-menu-item.disabled:hover { background: transparent; }
            /* v6.6.2 - MOBILE OPTIMIZATIONS (NEON CORE) */
            .is-mobile #txa-wrapper { border-radius: 0 !important; margin: 0 !important; box-shadow: none !important; }
            .is-mobile .txa-btn { width: 48px; height: 48px; font-size: 18px; background: rgba(255,255,255,0.03); border-radius: 12px; }
            .is-mobile .txa-progress-container { padding: 15px 0; }
            .is-mobile .txa-progress-wrapper { height: 4px; }
            .is-mobile .txa-controls { padding: 0 15px 15px; height: 80px; }
            .is-mobile .txa-time { font-size: 13px; font-weight: 700; color: rgba(255,255,255,0.8); }
            .is-mobile .txa-skip-btn { bottom: 100px; right: 15px; padding: 10px 20px; font-size: 12px; font-weight: 800; border-radius: 14px; }
            .is-mobile .txa-preview-thumb { width: 140px; height: 78px; bottom: 90px; }
            .is-mobile .txa-volume-container { display: none !important; }
            
            .is-mobile .txa-top-info { padding: 15px; background: linear-gradient(to bottom, rgba(0,0,0,0.9), transparent); }
            .is-mobile .txa-top-title { font-size: 14px; max-width: 70%; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
            .is-mobile .txa-top-logo { display: none; }
            
            .is-mobile .txa-panel { width: 100% !important; border-radius: 24px 24px 0 0 !important; bottom: 0 !important; right: 0 !important; top: auto !important; transform: translateY(100%); max-height: 80vh; background: #0a0f1d !important; }
            .is-mobile .txa-panel.active { transform: translateY(0); }
            .is-mobile .txa-panel-header { padding: 24px; font-size: 16px; }
            .is-mobile .txa-menu-item { padding: 18px 24px; font-size: 15px; }
            
            .is-mobile .txa-zone-hint { width: 70px; height: 70px; }
            .is-mobile #txa-theater, .is-mobile #txa-cinema { display: none !important; }

            .is-mobile .txa-next-countdown { width: calc(100% - 30px); bottom: 100px; left: 15px; padding: 15px; border-radius: 20px; font-size: 14px; }
            .is-mobile .txa-nc-btn { padding: 8px 16px; font-size: 12px; }
            
            @keyframes txa-mobile-fade { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }
        `;
        document.head.appendChild(s);
    }

    renderUI() {
        this.container.innerHTML = `
        <div class="txa-wrapper active-ui" id="txa-wrapper" tabindex="0">
            <!-- TOP INFO BAR -->
            <div class="txa-top-info" id="txa-top-info">
                <div class="txa-top-title" id="txa-top-title">
                    <i class="fas fa-play-circle"></i>
                    <span>TPhimX Media</span>
                </div>
                <div class="txa-top-logo">
                    <span class="txa-logo-t">T</span><span class="txa-logo-phim">PHIM</span><span class="txa-logo-x">X</span>
                </div>
            </div>

            <!-- BRANDING -->
            <div class="txa-brand-logo">
                <div class="txa-logo-text">
                    <span class="txa-logo-t">T</span><span class="txa-logo-phimx">PHIMX</span>
                </div>
            </div>

            <!-- REAL-TIME CLOCK v6.4.0 -->
            <div id="txa-clock" class="txa-realtime-clock">
                <i class="fas fa-clock"></i>
                <span id="txa-clock-text">00:00:00</span>
            </div>
            <div class="txa-watermark"><span>TPHIMX</span> Player-${TXA_VERSION}</div>

            <video class="txa-video" id="txa-video" playsinline poster="${this.options.posterUrl || ''}"></video>
            
            <div id="txa-loader" class="txa-loader">
                <div class="txa-loader-content">
                    <div class="txa-spinner"></div>
                    <div class="txa-load-pct-row">
                        <div class="txa-load-pct" id="txa-load-pct">0%</div>
                        <div class="txa-load-speed" id="txa-load-speed">-- KB/s</div>
                    </div>
                    <div class="txa-load-bar"><div class="txa-load-bar-fill" id="txa-load-bar-fill"></div></div>
                    <div class="txa-load-text" id="txa-load-text">Vui lòng chờ trong giây lát...</div>
                    <div class="txa-load-info" id="txa-load-info"></div>
                </div>
            </div>

            <!-- STATS PANEL -->
            <div class="txa-stats-panel" id="txa-stats-panel">
                <div class="txa-stats-header">
                    <div class="txa-stats-title"><i class="fas fa-chart-bar"></i> STREAM STATS</div>
                    <button class="txa-stats-close" id="txa-stats-close"><i class="fas fa-times"></i></button>
                </div>
                <div class="txa-stats-grid" id="txa-stats-grid"></div>
            </div>
            
            <div id="txa-replay" class="txa-replay-overlay">
                <button class="txa-replay-btn" id="txa-replay-btn"><i class="fas fa-redo"></i></button>
                <span class="txa-replay-text">Phát lại</span>
            </div>
            
            <div id="txa-feedback" class="txa-feedback"><i class="fas fa-volume-up"></i><span>50%</span></div>
            
            <div id="txa-badge-l" class="txa-seek-badge left"><i class="fas fa-angle-double-left"></i><span>-10s</span></div>
            <div id="txa-badge-r" class="txa-seek-badge right"><i class="fas fa-angle-double-right"></i><span>+10s</span></div>
            
            <div id="txa-center-play" class="txa-center-play"><i class="fas fa-play"></i></div>
            
            <div id="txa-captions" class="txa-captions"></div>

            <button id="txa-skip-intro" class="txa-skip-btn intro"><i class="fas fa-forward"></i> SKIP INTRO</button>
            <button id="txa-skip-outro" class="txa-skip-btn outro" style="bottom:230px;"><i class="fas fa-step-forward"></i> SKIP OUTRO</button>

            <canvas id="txa-ambient" class="txa-ambient-canvas"></canvas>
            
            <div id="txa-speed-indicator" class="txa-speed-indicator">
                <i class="fas fa-forward"></i>
                <span>2x Tua nhanh</span>
            </div>
            
            <div id="txa-resume" class="txa-resume-overlay">
                <div class="txa-resume-text">
                    <span>Tiếp tục xem?</span>
                    <span id="txa-resume-time">00:00</span>
                </div>
                <div class="txa-resume-btns">
                    <button class="txa-resume-btn primary" id="txa-resume-yes">
                        <i class="fas fa-play" style="margin-right:6px;"></i>Tiếp tục
                    </button>
                    <button class="txa-resume-btn secondary" id="txa-resume-no">Xem từ đầu</button>
                </div>
            </div>

            <!-- NEXT COUNTDOWN -->
            <div id="txa-next-countdown" class="txa-next-countdown">
                <div class="txa-nc-thumb-wrap">
                    <div class="txa-nc-badge" id="txa-nc-badge"><span>Tập</span>--</div>
                    <img src="${this.options.movieThumb || ''}" id="txa-nc-thumb" class="txa-nc-thumb">
                </div>
                <div class="txa-nc-info">
                    <span class="txa-nc-label">Tập Tiếp Theo</span>
                    <span class="txa-nc-title" id="txa-nc-title">Đang chuẩn bị...</span>
                    <span class="txa-nc-timer" id="txa-nc-timer">Bắt đầu sau 05s</span>
                </div>
                <div class="txa-nc-actions">
                    <button class="txa-nc-next txa-desktop-only" id="txa-nc-next">Chuyển Ngay</button>
                    <button class="txa-nc-cancel" id="txa-nc-cancel">Hủy</button>
                </div>
            </div>

            <!-- TICKER -->
            <div id="txa-ticker" class="txa-ticker-container">
                <div id="txa-ticker-text" class="txa-ticker-text"></div>
            </div>

            <div class="txa-controls">
                <div class="txa-progress-wrap" id="txa-progress">
                    <div class="txa-progress-bg"></div>
                    <div class="txa-progress-buf" id="txa-buffer"></div>
                    <div class="txa-progress-fill" id="txa-played"><div class="txa-scrubber"></div></div>
                    <div id="txa-markers" style="position:absolute; inset:0; z-index:20; pointer-events:none;"></div>
                    <div class="txa-preview-thumb" id="txa-preview-thumb"></div>
                    <div class="txa-hover-time" id="txa-hover-time">0:00</div>
                </div>

                <div class="txa-toolbar">
                    <div style="display:flex;align-items:center;gap:10px;">
                        <div class="txa-group">
                            <button class="txa-btn txa-btn-nav" id="txa-prev" style="${!this.options.prevEpisodeUrl ? 'display:none;' : ''}" data-txatooltip="Tập trước"><i class="fas fa-step-backward"></i></button>
                            <button class="txa-btn" id="txa-play" data-txatooltip="Play (k)"><i class="fas fa-play"></i></button>
                            <button class="txa-btn txa-btn-nav" id="txa-next" style="${!this.options.nextEpisodeUrl ? 'display:none;' : ''}" data-txatooltip="Tập sau"><i class="fas fa-step-forward"></i></button>
                            <div class="txa-vol-container">
                                <button class="txa-btn" id="txa-mute" data-txatooltip="Mute (m)"><i class="fas fa-volume-up"></i></button>
                                <div class="txa-vol-tooltip-p" id="txa-vol-tooltip">100%</div>
                                <div class="txa-vol-slider-wrap">
                                    <input type="range" class="txa-vol-slider" id="txa-vol" min="0" max="1" step="0.02" value="1">
                                </div>
                            </div>
                        </div>
                        <div class="txa-time" id="txa-time">0:00 / 0:00</div>
                    </div>

                    <div style="display:flex;align-items:center;gap:10px;">
                        <div class="txa-group txa-right-group">
                            <button class="txa-btn txa-btn-pro" id="txa-auto-skip" data-txatooltip="Tự động bỏ qua giới thiệu (Pro)" style="${!this.options.isLoggedIn ? 'display:none;' : ''}">
                                <i class="fas fa-forward"></i><span class="txa-btn-status">OFF</span>
                            </button>
                            <button class="txa-btn txa-btn-pro" id="txa-auto-next" data-txatooltip="Tự động chuyển tập (Pro)" style="${!this.options.isLoggedIn ? 'display:none;' : ''}">
                                <i class="fas fa-step-forward"></i><span class="txa-btn-status">OFF</span>
                            </button>
                            <div style="width:1px;height:20px;background:rgba(255,255,255,0.1);margin:0 4px;"></div>
                            <button class="txa-btn" id="txa-cc" style="${!this.options.hasSubtitles ? 'display:none;' : ''}" data-txatooltip="Phụ đề (c)"><i class="far fa-closed-captioning"></i></button>
                            <button class="txa-btn" id="txa-cinema" data-txatooltip="Ánh sáng (a)"><i class="fas fa-lightbulb"></i></button>
                            <button class="txa-btn" id="txa-theater" data-txatooltip="Rạp phim (t)"><i class="fas fa-tv"></i></button>
                            <button class="txa-btn" id="txa-settings" data-txatooltip="Cài đặt">
                                <i class="fas fa-cog"></i>
                                <span id="txa-quality-badge" class="txa-badge-quality"></span>
                            </button>
                            <button class="txa-btn" id="txa-pip" data-txatooltip="Mini Player (p)"><i class="fas fa-clone"></i></button>
                            <button class="txa-btn" id="txa-fs" data-txatooltip="Toàn màn hình (f)"><i class="fas fa-expand"></i></button>
                        </div>
                    </div>
                </div>
            </div>

            <div class="txa-panel" id="txa-panel">
                    <div id="txa-view-main">
                        <div class="txa-panel-header"><i class="fas fa-sliders-h"></i> Settings</div>
                        <div class="txa-menu-item" data-goto="speed"><span>Playback Speed</span><span id="txa-lbl-speed">1x</span></div>
                        <div class="txa-menu-item" data-goto="ratio"><span>Aspect Ratio</span><span id="txa-lbl-ratio">Default</span></div>
                        <div class="txa-menu-item" data-goto="flip"><span>Video Flip</span><span id="txa-lbl-flip">Normal</span></div>
                        <div class="txa-menu-item" data-goto="subs" id="txa-item-subs" style="${!this.options.hasSubtitles ? 'display:none;' : ''}"><span>Subtitles</span><span id="txa-lbl-subs">Off</span></div>
                        <div class="txa-menu-item" data-goto="quality" id="txa-item-quality" style="display:none;"><span>Quality</span><span id="txa-lbl-quality">Auto</span></div>
                        <div class="txa-menu-item" style="border-top:1px solid var(--txa-border);margin-top:8px;padding-top:10px;justify-content:space-between;">
                            <span style="display:flex;align-items:center;gap:10px;"><i class="fas fa-clock" style="opacity:0.7;"></i> Hiện đồng hồ</span>
                            <label class="txa-switch"><input type="checkbox" id="txa-clock-toggle"><span class="txa-slider"></span></label>
                        </div>
                        <div class="txa-menu-item" data-goto="clock" id="txa-item-clock" style="display: none;"><span>Định dạng giờ</span><span id="txa-lbl-clock">H:i:s</span></div>
                    </div>
                    <div id="txa-view-clock" class="txa-hidden">
                        <div class="txa-menu-back" data-back="main"><i class="fas fa-chevron-left"></i> Kiểu hiển thị đồng hồ</div>
                        
                        <div style="padding:14px 20px 8px;font-size:11px;color:var(--txa-brand);font-weight:800;text-transform:uppercase;letter-spacing:1px;">Chỉ thời gian</div>
                        <div class="txa-menu-item active" data-clock="H:i:s"><span>Giờ : Phút : Giây</span><span style="font-size:10px;opacity:0.5;">H:i:s</span></div>
                        <div class="txa-menu-item" data-clock="H:i"><span>Giờ : Phút</span><span style="font-size:10px;opacity:0.5;">H:i</span></div>
                        
                        <div style="padding:10px 20px 8px;font-size:11px;color:var(--txa-brand);font-weight:800;text-transform:uppercase;letter-spacing:1px;border-top:1px solid var(--txa-border);margin-top:4px;padding-top:14px;">Thời gian & Ngày</div>
                        <div class="txa-menu-item" data-clock="H:i:s d/M/YYYY"><span>Đầy đủ</span><span style="font-size:10px;opacity:0.5;">H:i:s d/M/YYYY</span></div>
                        <div class="txa-menu-item" data-clock="H:i d/M/YYYY"><span>Gọn</span><span style="font-size:10px;opacity:0.5;">H:i d/M/YYYY</span></div>
                        <div class="txa-menu-item" data-clock="H:i:s d/M"><span>Giờ & Ngày/Tháng</span><span style="font-size:10px;opacity:0.5;">H:i:s d/M</span></div>
                        
                        <div style="padding:10px 20px 8px;font-size:11px;color:var(--txa-brand);font-weight:800;text-transform:uppercase;letter-spacing:1px;border-top:1px solid var(--txa-border);margin-top:4px;padding-top:14px;">Chỉ ngày tháng</div>
                        <div class="txa-menu-item" data-clock="d/M/YYYY"><span>Ngày / Tháng / Năm</span><span style="font-size:10px;opacity:0.5;">d/M/Y</span></div>
                        <div class="txa-menu-item" data-clock="H:i:s - YYYY/M/d"><span>Chuẩn ISO</span><span style="font-size:10px;opacity:0.5;">YYYY/M/d</span></div>
                    </div>

                    <div id="txa-view-ratio" class="txa-hidden">
                        <div class="txa-menu-back" data-back="main"><i class="fas fa-chevron-left"></i> Aspect Ratio</div>
                        <div class="txa-menu-item active" data-ratio="default">Default</div>
                        <div class="txa-menu-item" data-ratio="4-3">4:3</div>
                        <div class="txa-menu-item" data-ratio="16-9">16:9</div>
                        <div class="txa-menu-item" data-ratio="stretch">Stretch</div>
                    </div>
                    <div id="txa-view-flip" class="txa-hidden">
                        <div class="txa-menu-back" data-back="main"><i class="fas fa-chevron-left"></i> Video Flip</div>
                        <div class="txa-menu-item active" data-flip="normal">Normal</div>
                        <div class="txa-menu-item" data-flip="h">Horizontal</div>
                        <div class="txa-menu-item" data-flip="v">Vertical</div>
                        <div class="txa-menu-item" data-flip="both">Both</div>
                    </div>
                    <div id="txa-view-speed" class="txa-hidden">
                        <div class="txa-menu-back" data-back="main"><i class="fas fa-chevron-left"></i> Speed</div>
                        <div class="txa-menu-item" data-speed="0.25">0.25x</div>
                        <div class="txa-menu-item" data-speed="0.5">0.5x</div>
                        <div class="txa-menu-item" data-speed="0.75">0.75x</div>
                        <div class="txa-menu-item active" data-speed="1">Normal</div>
                        <div class="txa-menu-item" data-speed="1.25">1.25x</div>
                        <div class="txa-menu-item" data-speed="1.5">1.5x</div>
                        <div class="txa-menu-item" data-speed="1.75">1.75x</div>
                        <div class="txa-menu-item" data-speed="2">2x</div>
                        <div class="txa-menu-item" data-speed="2.5">2.5x</div>
                        <div class="txa-menu-item" data-speed="3">3x</div>
                    </div>
                    <div id="txa-view-subs" class="txa-hidden">
                        <div class="txa-menu-back" data-back="main"><i class="fas fa-chevron-left"></i> Subtitles</div>
                        <div id="txa-list-subs"></div>
                        <div class="txa-menu-item" data-goto="substyle" id="txa-item-substyle" style="border-top:1px solid var(--txa-border);margin-top:8px;"><span><i class="fas fa-paint-brush" style="margin-right:8px;opacity:0.7;"></i>Thiết kế phụ đề</span><i class="fas fa-chevron-right" style="font-size:12px;opacity:0.5;"></i></div>
                    </div>
                    <div id="txa-view-substyle" class="txa-hidden">
                        <div class="txa-menu-back" data-back="subs"><i class="fas fa-chevron-left"></i> Thiết kế phụ đề</div>
                        
                        <div style="padding:14px 20px 8px;font-size:11px;color:var(--txa-brand);font-weight:800;text-transform:uppercase;letter-spacing:1px;">Cỡ chữ</div>
                        <div class="txa-grid-opts">
                            <div class="txa-grid-item" data-subsize="mini">Tí hon</div>
                            <div class="txa-grid-item" data-subsize="small">Nhỏ</div>
                            <div class="txa-grid-item active" data-subsize="medium">Vừa</div>
                            <div class="txa-grid-item" data-subsize="large">Lớn</div>
                            <div class="txa-grid-item" data-subsize="jumbo" style="grid-column:span 2">Khổng lồ</div>
                        </div>

                        <div style="padding:0 20px 8px;font-size:11px;color:var(--txa-brand);font-weight:800;text-transform:uppercase;letter-spacing:1px;border-top:1px solid var(--txa-border);margin-top:4px;padding-top:14px;">Độ đậm</div>
                        <div class="txa-grid-opts">
                            <div class="txa-grid-item active" data-subweight="normal">Thường</div>
                            <div class="txa-grid-item" data-subweight="bold">Đậm</div>
                        </div>

                        <div style="padding:0 20px 8px;font-size:11px;color:var(--txa-brand);font-weight:800;text-transform:uppercase;letter-spacing:1px;border-top:1px solid var(--txa-border);margin-top:4px;padding-top:14px;">Nền phụ đề</div>
                        <div class="txa-grid-opts" style="grid-template-columns: 1fr 1fr 1fr;">
                            <div class="txa-grid-item" data-subbg="none">Không</div>
                            <div class="txa-grid-item active" data-subbg="default">Chuẩn</div>
                            <div class="txa-grid-item" data-subbg="glass">Kính</div>
                            <div class="txa-grid-item" data-subbg="dark">Tối</div>
                            <div class="txa-grid-item" data-subbg="light">Sáng</div>
                        </div>

                        <div style="padding:0 20px 10px;font-size:11px;color:var(--txa-brand);font-weight:800;text-transform:uppercase;letter-spacing:1px;border-top:1px solid var(--txa-border);margin-top:4px;padding-top:14px;">Màu chữ</div>
                        <div class="txa-color-opts" style="flex-wrap:wrap; gap:8px 12px;">
                            <div class="txa-color-btn active" data-subcolor="white" title="Trắng"></div>
                            <div class="txa-color-btn" data-subcolor="yellow" style="background:#facc15" title="Vàng"></div>
                            <div class="txa-color-btn" data-subcolor="orange" style="background:#fb923c" title="Cam"></div>
                            <div class="txa-color-btn" data-subcolor="red" style="background:#f87171" title="Đỏ"></div>
                            <div class="txa-color-btn" data-subcolor="green" style="background:#4ade80" title="Lục"></div>
                            <div class="txa-color-btn" data-subcolor="cyan" style="background:#22d3ee" title="Lam"></div>
                            <div class="txa-color-btn" data-subcolor="pink" style="background:#f472b6" title="Hồng"></div>
                            <div class="txa-color-btn" data-subcolor="violet" style="background:#a78bfa" title="Tím"></div>
                        </div>

                        <div style="padding:14px 20px 8px;font-size:11px;color:var(--txa-brand);font-weight:800;text-transform:uppercase;letter-spacing:1px;border-top:1px solid var(--txa-border);margin-top:4px;padding-top:14px;display:flex;justify-content:space-between;align-items:center;">
                            Viền chữ
                            <label class="txa-switch"><input type="checkbox" id="txa-substroke-toggle"><span class="txa-slider"></span></label>
                        </div>
                        
                        <div class="txa-stroke-ctrl" id="txa-stroke-panel">
                            <div style="padding:0 20px 8px;font-size:11px;color:#94a3b8;font-weight:800;text-transform:uppercase;letter-spacing:1px;">Màu viền</div>
                            <div class="txa-color-opts" style="flex-wrap:wrap; gap:8px 12px; padding-bottom:15px;">
                                <div class="txa-color-btn active" data-substroke="black" style="background:#000; border:1px solid rgba(255,255,255,0.2);" title="Đen"></div>
                                <div class="txa-color-btn" data-substroke="white" style="background:#fff" title="Trắng"></div>
                                <div class="txa-color-btn" data-substroke="yellow" style="background:#facc15" title="Vàng"></div>
                                <div class="txa-color-btn" data-substroke="red" style="background:#f87171" title="Đỏ"></div>
                                <div class="txa-color-btn" data-substroke="blue" style="background:#3b82f6" title="Xanh"></div>
                            </div>
                        </div>
                    </div>
                    <div id="txa-view-quality" class="txa-hidden">
                        <div class="txa-menu-back" data-back="main"><i class="fas fa-chevron-left"></i> Quality</div>
                        <div id="txa-list-quality"></div>
                    </div>
                </div>
            </div>

            <div id="txa-tamper" class="txa-loader txa-hidden" style="background:rgba(10,10,15,0.95); z-index:2147483647; backdrop-filter:blur(30px); pointer-events:all; transition: all 0.5s cubic-bezier(0.16, 1, 0.3, 1);">
                <div style="display:flex;flex-direction:column;align-items:center;justify-content:center;color:#fff;text-align:center;padding:40px; transform: scale(1); animation: txaStatsIn 0.6s cubic-bezier(0.16, 1, 0.3, 1);">
                    <div style="width:100px;height:100px;background:linear-gradient(135deg, var(--txa-brand), #f472b6);border-radius:32px;display:flex;align-items:center;justify-content:center;margin-bottom:30px;box-shadow:0 20px 50px rgba(139,92,246,0.4); transform: rotate(-5deg);">
                        <i class="fas fa-shield-alt" style="font-size:45px;color:#fff; filter: drop-shadow(0 0 10px rgba(255,255,255,0.5));"></i>
                    </div>
                    <h2 style="margin:0 0 15px;font-size:32px;background:linear-gradient(to right, #fff, #a78bfa);-webkit-background-clip:text;-webkit-text-fill-color:transparent;font-weight:900; letter-spacing: -1px;">BẢO MẬT HỆ THỐNG</h2>
                    <p style="color:#94a3b8;max-width:500px;margin:0 0 35px;line-height:1.7;font-size:16px; font-weight:500;">
                        Phát hiện hành động can thiệp trái phép vào trình phát. 
                        <br/>
                        <span style="color:var(--txa-brand-light); font-weight: 700;">TPHIMX Security</span> đã tạm khóa phiên làm việc này để bảo vệ nội dung.
                    </p>
                    <div style="display:flex;gap:15px;">
                        <button onclick="location.reload()" style="background:var(--txa-brand);border:none;color:#fff;padding:16px 40px;border-radius:14px;font-weight:900;font-size:15px;cursor:pointer;box-shadow:0 15px 35px var(--txa-brand-glow);transition:all 0.3s; letter-spacing: 0.5px;" onmouseover="this.style.transform='translateY(-3px) scale(1.05)'; this.style.boxShadow='0 20px 45px var(--txa-brand-glow)';" onmouseout="this.style.transform='translateY(0) scale(1)'; this.style.boxShadow='0 15px 35px var(--txa-brand-glow)';">
                            <i class="fas fa-sync-alt" style="margin-right:10px;"></i> TẢI LẠI TRANG
                        </button>
                    </div>
                    <div style="margin-top:50px;font-size:12px;color:rgba(255,255,255,0.3);letter-spacing:2px; font-weight: 800;">PROTECTED BY TXA SHIELD v6.5</div>
                </div>
            </div>

            <div id="txa-ctx" class="txa-ctx">
                <div class="txa-ctx-header">TXAPlayer Controls</div>
                <div class="txa-ctx-item" id="txa-ctx-snap"><span>Chụp màn hình (4K)</span><i class="fas fa-camera"></i></div>
                <div class="txa-ctx-item" id="txa-ctx-url"><span>Copy Video URL</span><i class="fas fa-link"></i></div>
                <div class="txa-ctx-item" id="txa-ctx-loop"><span>Lặp lại (Loop)</span><span id="txa-loop-stat">Off</span></div>
                <div class="txa-ctx-item" id="txa-ctx-stats"><span>Thống kê (Stats)</span><i class="fas fa-chart-line"></i></div>
                <div class="txa-ctx-divider"></div>
                <div class="txa-ctx-item" id="txa-ctx-sc"><span>Bảng phím tắt</span><i class="fas fa-keyboard"></i></div>
                <div class="txa-ctx-footer">${TXA_VERSION} Platinum</div>
            </div>

            <div class="txa-zone left" id="txa-zone-l"></div>
            <div class="txa-zone right" id="txa-zone-r"></div>
        </div>`;
        this.wrapper = this.container.querySelector('#txa-wrapper');
        this.video = this.container.querySelector('#txa-video');
        this.controls = this.container.querySelector('.txa-controls');
    }

    async switchEpisode(newOptions = {}) {
        // console.log('[TXAPlayer] Switching episode...', newOptions);

        // Save fullscreen state before switching
        const wasFullscreen = !!document.fullscreenElement;
        // Store reference to wrapper, not fullscreenElement (which will be null after video destroy)
        const wrapperToFS = this.wrapper;

        // 0. Save current progress
        this.saveWatchProgress(true);

        // Feedback immediately
        if (newOptions.isAutoNext) {
            this.showToast('⏭️ Tự động chuyển tập...');
        } else {
            this.showToast('🚀 Đang chuyển tập mới...');
        }

        // 1. Cleanup current media
        if (this._bufferInterval) { clearInterval(this._bufferInterval); this._bufferInterval = null; }
        if (this.dashPlayer) {
            try { this.dashPlayer.destroy(); } catch (e) { }
            this.dashPlayer = null;
        }
        if (this.hls) {
            try { this.hls.destroy(); } catch (e) { }
            this.hls = null;
        }
        if (this._previewHls) {
            try { this._previewHls.destroy(); } catch (e) { }
            this._previewHls = null;
        }

        // Reset video state
        if (this.video) {
            this.video.pause();
            this.video.src = "";
            this.video.load();

            // Clear text tracks (subtitles)
            while (this.video.firstChild) {
                this.video.removeChild(this.video.firstChild);
            }
        }

        // 2. Update Options
        this.options = { ...this.options, ...newOptions };

        // Proxy external images for new episode
        if (this.options.posterUrl) this.options.posterUrl = this.getProxiedUrl(this.options.posterUrl);
        if (this.options.movieThumb) this.options.movieThumb = this.getProxiedUrl(this.options.movieThumb);
        if (this.options.previewUrl) this.options.previewUrl = this.getProxiedUrl(this.options.previewUrl);

        // Clear runtime state
        this.currentSubCues = [];
        this.activeSubIdx = -1;
        this.seekAccumulator = 0;
        this._isAutoNextTriggered = false;
        this._fixedTickerShown = false; // Reset fixed ticker flag
        this._endingTickerShown = false; // Reset ending ticker flag
        if (this.wrapper) this.wrapper.classList.remove('has-countdown');
        this.tickerCount = 0; // Reset ticker count for new episode
        this._isTickerRunning = false;
        this.tickerNextTime = 40; // Wait 40s for new episode ticker
        this.resumeShown = false; // Reset resume flag for new episode

        // Clear any pending auto-next countdown
        if (this._autoNextCountdownInterval) {
            clearInterval(this._autoNextCountdownInterval);
            this._autoNextCountdownInterval = null;
        }

        // Reset markers on UI immediately
        this.renderMarkers();

        // Reset preview thumbnail state for new episode
        this._previewSpriteUrl = null;
        this._previewSpriteLoaded = false;
        this._previewLowUrl = null;
        this._previewLowLoaded = false;
        if (this._previewUpgradeTimer) { clearTimeout(this._previewUpgradeTimer); this._previewUpgradeTimer = null; }
        const previewThumb = this.container.querySelector('#txa-preview-thumb');
        if (previewThumb) { previewThumb.classList.remove('has-sprite', 'loading'); previewThumb.style.backgroundImage = ''; }

        // Reset UI Components
        const replay = this.container.querySelector('#txa-replay');
        if (replay) replay.classList.remove('show');

        const loader = this.container.querySelector('#txa-loader');
        if (loader) loader.classList.remove('hidden');

        // Update Top Title
        this.updateTopTitle();

        // 3. Re-initialize Media
        try {
            await this.setupMedia();
        } catch (error) {
            console.error('[TXAPlayer] setupMedia failed:', error);
            this.reportErrorToServer('setupMediaError', error.message, { stack: error.stack });
            
            // Keep loader hidden, show error
            if (loader) loader.classList.add('hidden');
            this.showToast('❌ Lỗi load video. Đang thử lại...');

            // Retry after 2 seconds
            setTimeout(() => {
                if (!this.destroyed) {
                    console.log('[TXAPlayer] Retrying setupMedia...');
                    this.setupMedia().catch(err => {
                        console.error('[TXAPlayer] Retry failed:', err);
                        this.reportErrorToServer('setupMediaError', 'Retry failed: ' + err.message, { stack: err.stack });
                        this.showToast('❌ Không thể load video. Vui lòng reload trang.');
                    });
                }
            }, 2000);
            return; // Exit early, don't show feedback
        }

        // 4. Re-initialize Subtitles UI (not just tracks)
        this.initSubtitles();

        // 5. Update Navigation Buttons
        const prevBtn = this.container.querySelector('#txa-prev');
        const nextBtn = this.container.querySelector('#txa-next');
        if (prevBtn) {
            prevBtn.style.display = this.options.prevEpisodeUrl ? 'flex' : 'none';
        }
        if (nextBtn) {
            nextBtn.style.display = this.options.nextEpisodeUrl ? 'flex' : 'none';
        }

        // 6. Wait for video to be ready before hiding loader
        await new Promise((resolve) => {
            const checkReady = () => {
                // Check if video has valid duration and readyState
                if (this.video && this.video.readyState >= 2) {
                    // HAVE_CURRENT_DATA - enough data to play
                    resolve();
                } else if (this.destroyed) {
                    resolve(); // Don't wait if destroyed
                } else {
                    // Wait a bit and check again
                    setTimeout(checkReady, 100);
                }
            };

            // Timeout after 15 seconds
            setTimeout(() => {
                console.warn('[TXAPlayer] Video ready timeout, proceeding anyway');
                resolve();
            }, 15000);

            checkReady();
        });

        // 7. Final UI Polish (especially for Full Screen)
        this.showUI();

        // Hide loader only after video is ready
        if (loader) loader.classList.add('hidden');

        // 8. Restore fullscreen if it was active before switching
        if (wasFullscreen && wrapperToFS) {
            // Wait a bit for video to be ready before requesting fullscreen
            setTimeout(async () => {
                try {
                    await wrapperToFS.requestFullscreen();
                    console.log('[TXAPlayer] Fullscreen restored after episode switch');
                } catch (err) {
                    console.warn('[TXAPlayer] Could not restore fullscreen:', err);
                }
            }, 500);
        }

        // 9. Trigger external event if needed
        if (this.options.onEpisodeSwitched) {
            this.options.onEpisodeSwitched(this.options);
        }

        // 10. Final Feedback (High Priority) - Only show after video is ready
        setTimeout(() => {
            if (!this.destroyed) {
                this.showFeedback('high', `⏭️ Đã chuyển: ${this.options.episodeName || 'Tập mới'}`);
            }
        }, 500);
    }

    updateTopTitle() {
        const titleEl = this.container.querySelector('#txa-top-title span');
        if (!titleEl) return;

        let movieTitle = this.options.title || 'Đang tải...';
        let episodeTitle = this.options.episodeName || '';

        // Clean up movieTitle if it already contains the episode name to avoid duplication
        if (episodeTitle && movieTitle.includes(episodeTitle)) {
            // If movieTitle is "Phim A - Tập 1" and episodeTitle is "Tập 1"
            // We want titleStr to be "Xem phim: Phim A - Tập 1" 
            // Instead of "Xem phim: Phim A - Tập 1 - Tập 1"
            titleEl.textContent = 'Xem phim: ' + movieTitle + (this.options.serverName ? ' - ' + this.options.serverName : '');
            return;
        }

        let titleStr = 'Xem phim: ' + movieTitle;

        // Handle episode name logic (skip if "Full" or if duplication detected)
        if (episodeTitle && !episodeTitle.toLowerCase().includes('full')) {
            titleStr += ' - ' + episodeTitle;
        }

        // Add server name if exists
        if (this.options.serverName) {
            titleStr += ' - ' + this.options.serverName;
        }

        titleEl.textContent = titleStr;
    }

    async getM3u8TsListFast(url) {
        // Ensure URL is absolute because proxy URLs might be relative paths (e.g., /api/proxy-media...)
        const absoluteUrl = new URL(url, window.location.origin).href;

        let response = await fetch(absoluteUrl, { headers: { 'X-EXTENSION-MODE': '1' } });
        if (!response.ok) throw new Error("Fetch m3u8 lỗi.");
        let text = await response.text();
        let lines = text.split("\n");

        if (text.includes("METHOD=AES-128")) {
            throw new Error("Luồng bị mã hóa AES-128 (Yêu cầu HLS.js để giải mã).");
        }

        if (text.includes("EXT-X-STREAM-INF")) {
            let variants = [];
            for (let i = 0; i < lines.length; i++) {
                if (lines[i].includes("EXT-X-STREAM-INF")) {
                    let info = lines[i];
                    let nextLine = lines[i + 1];
                    if (nextLine && !nextLine.startsWith("#")) {
                        let bandwidth = 0;
                        const bwMatch = info.match(/BANDWIDTH=(\d+)/);
                        if (bwMatch) bandwidth = parseInt(bwMatch[1]);

                        let resolution = "0x0";
                        const resMatch = info.match(/RESOLUTION=(\d+x\d+)/);
                        if (resMatch) resolution = resMatch[1];

                        variants.push({
                            url: new URL(nextLine.trim(), absoluteUrl).href,
                            bandwidth: bandwidth,
                            resolution: resolution
                        });
                    }
                }
            }

            if (variants.length > 0) {
                // Sort by bandwidth descending (best quality first)
                variants.sort((a, b) => b.bandwidth - a.bandwidth);
                if (this.options.isAdmin) console.log('[TXAPlayer] High Quality Variant Selected:', variants[0]);
                return await this.getM3u8TsListFast(variants[0].url);
            }
        }

        let tsUrls = [];
        let initUrl = null;
        let totalDuration = 0;
        for (let i = 0; i < lines.length; i++) {
            let line = lines[i].trim();
            if (line.startsWith("#EXTINF:")) {
                let dur = parseFloat(line.split(":")[1]);
                if (!isNaN(dur)) totalDuration += dur;
            }
            if (line.startsWith("#EXT-X-MAP:URI=")) {
                const mapMatch = line.match(/URI="([^"]+)"/);
                if (mapMatch) initUrl = new URL(mapMatch[1], absoluteUrl).href;
            }
            if (line && !line.startsWith("#")) {
                tsUrls.push(new URL(line, absoluteUrl).href);
            }
        }

        if (initUrl) {
            tsUrls.unshift(initUrl); // Prepend init map for FMP4
        }

        // Estimate 1.5 Mbps bitrate for size calculation
        const estimatedSize = totalDuration * (1.5 * 1024 * 1024 / 8);
        return { urls: tsUrls, duration: totalDuration, estimatedSize: estimatedSize };
    }

    async loadM3u8AsMP4(m3u8Url, updateLoadingPct, completeLoading, showLoaderWithProgress) {
        try {
            const loadText = this.container.querySelector('#txa-load-text');
            const pctEl = this.container.querySelector('#txa-load-pct');
            const speedEl = this.container.querySelector('#txa-load-speed');
            const loadInfoEl = this.container.querySelector('#txa-load-info');

            // --- CACHE CHECK ---
            const cacheKey = this.options.episodeId ? `ep-${this.options.episodeId}` : null;
            if (cacheKey) {
                if (loadText) loadText.textContent = "🔍 Đang kiểm tra bộ nhớ tạm (Cache)...";
                const cached = await txaStorage.get(cacheKey);
                if (cached && (cached.m3u8Url === m3u8Url || m3u8Url.includes('proxy-media'))) {
                    if (loadText) loadText.textContent = "⚡ Phát từ Cache (Siêu tốc)!";
                    updateLoadingPct(100, true);
                    completeLoading();
                    const objectUrl = URL.createObjectURL(cached.data);
                    this.video.src = objectUrl;
                    if (this.options.autoPlay) this.video.play().catch(() => { });
                    return;
                }
            }

            if (loadText) loadText.textContent = "⚙️ Đang phân tích luồng HLS...";
            showLoaderWithProgress(5);

            const m3u8Result = await this.getM3u8TsListFast(m3u8Url);
            let tsList = m3u8Result.urls;
            if (!tsList || tsList.length === 0) throw new Error("Không có file TS trong playlist!");

            let total = tsList.length;
            let mergedBuffers = [];
            let totalBytes = 0;
            let startTime = performance.now();
            let lastUpdate = performance.now();

            if (loadInfoEl) {
                const sMB = window.txaformat ? window.txaformat.fileSize(m3u8Result.estimatedSize, 1) : (m3u8Result.estimatedSize / (1024 * 1024)).toFixed(1) + " MB";
                const durStr = window.txaformat ? window.txaformat.timeRemaining(m3u8Result.duration) : (m3u8Result.duration / 60).toFixed(0) + " phút";
                loadInfoEl.innerHTML = `
                    <span class="txa-load-info-tag"><i class="fas fa-clock"></i> <span class="tag-val">${durStr}</span></span>
                    <span class="txa-load-info-tag"><i class="fas fa-hdd"></i> <span class="tag-val">~${sMB}</span></span>
                    <span class="txa-load-info-tag bg-warning bg-opacity-25 text-warning"><i class="fas fa-crown"></i> <span class="tag-val">PREMIUM BLOB ACTIVE</span></span>
                `;
            }

            // Batch size for parallel downloads (Turbo Mode: 17)
            const batchSize = 17;

            for (let i = 0; i < total; i += batchSize) {
                const batch = tsList.slice(i, i + batchSize);
                const promises = batch.map(async (ts, idx) => {
                    const r = await fetch(ts, {
                        headers: { 'X-EXTENSION-MODE': '1' }
                    });
                    if (!r.ok) throw new Error(`Fetch TS ${i + idx} fail: ${r.status}`);
                    const buf = await r.arrayBuffer();
                    totalBytes += buf.byteLength;

                    // Periodic stats update
                    const now = performance.now();
                    if (now - lastUpdate > 500) {
                        const elapsed = (now - startTime) / 1000;
                        const speed = totalBytes / elapsed;
                        const remaining = total - (i + idx);
                        const avgTimePerTs = elapsed / (i + idx + 1);
                        const etaSec = Math.round(remaining * avgTimePerTs);

                        if (speedEl) {
                            const speedStr = window.txaformat ? window.txaformat.fileSize(speed, 1) + "/s" : (speed / 1048576).toFixed(1) + " MB/s";
                            const etaStr = window.txaformat ? window.txaformat.timeRemaining(etaSec) : (etaSec > 60 ? Math.floor(etaSec / 60) + "m " + (etaSec % 60) + "s" : etaSec + "s");
                            speedEl.innerHTML = `<span class="text-white">${speedStr}</span> <span class="ms-2 opacity-50">ETA: ${etaStr}</span>`;
                        }
                        if (loadText) loadText.textContent = `🚀 [TSHORT] Đang tải seg ${i + idx + 1}/${total}...`;
                        lastUpdate = now;
                    }
                    return buf;
                });

                const buffers = await Promise.all(promises);
                mergedBuffers.push(...buffers);

                const progress = 10 + Math.floor((Math.min(i + batchSize, total) / total) * 85);
                updateLoadingPct(progress, true);
            }

            if (loadText) loadText.textContent = "🛠️ Đang lắp ráp Video MP4...";

            const isFmp4 = tsList[0].includes('.m4s') || tsList[0].includes('.mp4');
            const blobType = isFmp4 ? 'video/mp4' : 'video/mp2t';
            const combinedBlob = new Blob(mergedBuffers, { type: blobType });

            // --- SAVE TO CACHE ---
            if (cacheKey) {
                txaStorage.set(cacheKey, combinedBlob, m3u8Url);
            }

            const objectUrl = URL.createObjectURL(combinedBlob);

            if (loadText) loadText.textContent = "✨ Sẵn sàng phát (Premium)!";
            updateLoadingPct(100, true);
            completeLoading();

            this.video.src = objectUrl;
            if (this.options.autoPlay) this.video.play().catch(() => { });

        } catch (e) {
            console.error("[TXAPlayer Premium] Error: ", e);
            if (window.txatoastfy) window.txatoastfy.error('Anti-403 Mode thất bại: ' + e.message, 5000);

            // Fallback to standard HLS
            const loadText = this.container.querySelector('#txa-load-text');
            if (loadText) loadText.textContent = "⚠️ Lỗi Anti-403, đang rollback về HLS tiêu chuẩn...";
            setTimeout(() => {
                this._initStandardHls();
            }, 2000);
        }
    }

    async setupMedia() {
        if (!this.video || this._mediaSetupDone) return;
        this._mediaSetupDone = true;

        // --- Google Drive Auto-Resolution ---
        // Detects Google Drive sharing links and converts to proxy stream URL
        // Supported formats:
        //   https://drive.google.com/file/d/FILE_ID/view?usp=...
        //   https://drive.google.com/file/d/FILE_ID/preview
        //   https://drive.google.com/open?id=FILE_ID
        //   https://drive.google.com/uc?id=FILE_ID&export=download
        if (this.options.videoUrl && this.options.videoUrl.includes('drive.google.com')) {
            let driveFileId = null;

            // Pattern 1: /file/d/FILE_ID/
            const fileMatch = this.options.videoUrl.match(/\/file\/d\/([a-zA-Z0-9_-]+)/);
            if (fileMatch) {
                driveFileId = fileMatch[1];
            }

            // Pattern 2: ?id=FILE_ID or &id=FILE_ID
            if (!driveFileId) {
                try {
                    const u = new URL(this.options.videoUrl);
                    driveFileId = u.searchParams.get('id');
                } catch (_) { }
            }

            if (driveFileId) {
                // Convert to local proxy stream URL (supports HTTP Range seeking)
                const proxyUrl = '/api/drive-stream/' + driveFileId;
                console.log(
                    '%c[TXAPlayer] 📁 Google Drive Detected ✅',
                    'color:#4285f4; font-weight:bold;',
                    { fileId: driveFileId, proxyUrl }
                );
                this.options.videoUrl = proxyUrl;

                // Show status on loader
                const _loadText = this.container?.querySelector('#txa-load-text');
                if (_loadText) _loadText.textContent = 'Đang kết nối Google Drive...';
            }
        }

        // --- StreamC Auto-Resolution (Dynamic Subdomain Support) ---
        if (this.options.videoUrl && (this.options.videoUrl.includes('streamc.xyz') || this.options.videoUrl.includes('streamc.top') || /^[a-f0-9]{32}$/i.test(this.options.videoUrl))) {
            let hash = null;
            let embedHost = '';
            if (/^[a-f0-9]{32}$/i.test(this.options.videoUrl)) {
                hash = this.options.videoUrl;
            } else if (this.options.videoUrl.includes('hash=')) {
                try {
                    const u = new URL(this.options.videoUrl);
                    hash = u.searchParams.get('hash');
                    embedHost = u.hostname; // e.g., embed18.streamc.xyz
                    embedHost = u.hostname;
                } catch (_) { }
            } else {
                const m = this.options.videoUrl.match(/\/([a-f0-9]{32})\//i);
                if (m) hash = m[1];
            }
            if (!embedHost && this.options.videoUrl.includes('streamc')) {
                const hm = this.options.videoUrl.match(/(embed\d*\.streamc\.(?:xyz|top))/i);
                if (hm) embedHost = hm[1];
            }
            if (hash) {
                // ── Hiển thị trạng thái đang resolve trên loader ──
                const _loadText = this.container?.querySelector('#txa-load-text');
                if (_loadText) _loadText.textContent = 'Đang kết nối nguồn phim...';

                /** Hiện error overlay thay vì để loader treo mãi */
                const _showStreamCError = (msg, canRetry = true) => {
                    // Report resolve error to server
                    this.reportErrorToServer('resolveError', msg, { hash, embedHost });

                    const loader = this.container?.querySelector('#txa-loader');
                    if (!loader) return;
                    const pctEl = loader.querySelector('#txa-load-pct');
                    const barFill = loader.querySelector('#txa-load-bar-fill');
                    const spinner = loader.querySelector('.txa-spinner');
                    const loadText = loader.querySelector('#txa-load-text');
                    const speedEl = loader.querySelector('#txa-load-speed');

                    // Đổi giao diện loader → error state
                    if (spinner) { spinner.style.borderTopColor = '#ef4444'; spinner.style.animationPlayState = 'paused'; }
                    if (pctEl) { pctEl.textContent = '!'; pctEl.style.color = '#ef4444'; }
                    if (barFill) { barFill.style.background = '#ef4444'; barFill.style.width = '100%'; barFill.style.boxShadow = '0 0 10px #ef4444'; }
                    if (speedEl) speedEl.textContent = '';
                    if (loadText) {
                        loadText.style.color = '#fca5a5';
                        loadText.innerHTML = `<i class="fas fa-exclamation-triangle" style="color:#ef4444; margin-right:6px;"></i>${msg}`;
                    }

                    // Thêm nút Retry nếu chưa có
                    if (canRetry && !loader.querySelector('#txa-retry-btn')) {
                        const retryBtn = document.createElement('button');
                        retryBtn.id = 'txa-retry-btn';
                        retryBtn.innerHTML = '<i class="fas fa-redo" style="margin-right:6px;"></i>Thử lại';
                        retryBtn.style.cssText = `
                            margin-top:14px; padding:8px 22px;
                            background:#3b82f6; color:#fff; border:none;
                            border-radius:8px; cursor:pointer; font-size:13px; font-weight:600;
                            pointer-events:all;
                        `;
                        retryBtn.onmouseenter = () => retryBtn.style.background = '#2563eb';
                        retryBtn.onmouseleave = () => retryBtn.style.background = '#3b82f6';
                        retryBtn.onclick = () => window.location.reload();
                        const content = loader.querySelector('.txa-loader-content');
                        if (content) content.appendChild(retryBtn);
                        // Đảm bảo loader nhận pointer events để click được
                        loader.style.pointerEvents = 'all';
                    }
                };

                try {
                    let resolveUrl = '/api/resolve-streamc?hash=' + encodeURIComponent(hash);
                    if (embedHost) resolveUrl += '&embed_host=' + encodeURIComponent(embedHost);

                    // Timeout 20s — nếu server không trả lời thì abort
                    const controller = new AbortController();
                    const resolveTimeout = setTimeout(() => controller.abort(), 20000);

                    let res;
                    try {
                        res = await fetch(resolveUrl, { signal: controller.signal });
                    } finally {
                        clearTimeout(resolveTimeout);
                    }

                    // HTTP error (502, 403, 500...)
                    if (!res.ok) {
                        const errMsg = res.status === 502
                            ? 'Nguồn phim đang bảo trì hoặc bị chặn. Hãy thử nguồn khác.'
                            : res.status === 403
                                ? 'Truy cập bị từ chối. Hãy thử nguồn khác.'
                                : `Lỗi kết nối (HTTP ${res.status}). Thử lại sau.`;

                        console.error(`[TXAPlayer] StreamC HTTP ${res.status} ❌`, { hash, embedHost });
                        _showStreamCError(errMsg, true);
                        return; // Dừng setupMedia — không tiếp tục khởi tạo HLS với URL rỗng
                    }

                    const data = await res.json();
                    const checkBlob = this.options.anti403Mode === 'blob' || this.options.videoUrl.includes('anti403=1');

                    if (data.success) {
                        if (checkBlob && data.raw_url) {
                            this.options.videoUrl = data.raw_url;
                        } else if (data.video_url) {
                            this.options.videoUrl = data.video_url;
                            if (this.options.isAdmin) {
                                console.log('%c[TXAPlayer] StreamC Resolved ✅', 'color:#10b981;font-weight:bold;', {
                                    hash, embedHost: data.embed_host, method: data.method,
                                    proxyUrl: data.video_url.substring(0, 80) + '...'
                                });
                            }
                        }
                    } else {
                        const reason = data.message || data.error || 'Không xác định';
                        console.error('[TXAPlayer] StreamC Resolve Failed ❌', { hash, embedHost, error: reason });
                        _showStreamCError('Không thể kết nối nguồn phim. ' + reason, true);
                        return; // Dừng — không khởi tạo HLS với URL không hợp lệ
                    }

                } catch (e) {
                    if (e.name === 'AbortError') {
                        console.error('[TXAPlayer] StreamC Resolve Timeout (20s) ❌', { hash, embedHost });
                        _showStreamCError('Nguồn phim phản hồi quá chậm. Hãy thử lại.', true);
                    } else {
                        console.error('[TXAPlayer] StreamC Resolve Error ❌', e);
                        _showStreamCError('Lỗi mạng khi kết nối nguồn phim.', true);
                    }
                    return; // Dừng — không tiếp tục HLS setup
                }
            }
        }

        // Auto-proxy logic for known SSL-untrusted domains
        if (this.options.videoUrl && (this.options.videoUrl.includes('phimmoi.net') || this.options.videoUrl.includes('sing.phimmoi.net') || this.options.videoUrl.includes('streamvda.top'))) {
            if (this.options.videoUrl.includes('?url=')) {
                console.log(
                    '%c[TXAPlayer] 🛡️ SSL Guard Bypass: Already Proxied via Cloudflare/Vercel Proxy ✅',
                    'color:#10b981; font-weight:bold;',
                    { videoUrl: this.options.videoUrl }
                );
            }
            if (!this.options.videoUrl.includes('/api/proxy-media') && !this.options.videoUrl.includes('/api/video/') && !this.options.videoUrl.includes('?url=')) {
                try {
                    console.log('%c[TXAPlayer] 🛡️ SSL Guard Active: Resolving video URL...', 'color:#f59e0b; font-weight:bold;');
                    const r = await fetch(`/api/video/resolve?url=${encodeURIComponent(btoa(this.options.videoUrl))}`);
                    const data = await r.json();
                    if (data.success && data.url) {
                        this.options.videoUrl = data.url;
                        console.log('%c[TXAPlayer] 🛡️ SSL Guard Resolved URL ✅', 'color:#10b981; font-weight:bold;', { resolvedUrl: this.options.videoUrl });
                    }
                } catch (e) { console.error('[TXAPlayer] SSL Guard Fail', e); }
            }
        }

        const loader = this.container.querySelector('#txa-loader');
        const pctEl = this.container.querySelector('#txa-load-pct');
        const speedEl = this.container.querySelector('#txa-load-speed');
        const barFill = this.container.querySelector('#txa-load-bar-fill');
        const loadInfoEl = this.container.querySelector('#txa-load-info');
        let loadProgress = 0, loadInterval = null, lastBytes = 0, lastSpeedTime = performance.now();
        let speedHistory = [], isHLS = false;

        // Populate loading info tags
        if (loadInfoEl) {
            const tags = [];
            if (this.options.title) tags.push({ icon: 'fa-film', label: this.options.title });
            if (this.options.episodeName) tags.push({ icon: 'fa-list', label: this.options.episodeName });
            if (this.options.serverName) tags.push({ icon: 'fa-server', label: this.options.serverName });
            const url = this.options.videoUrl || '';
            if (url.includes('.mpd')) tags.push({ icon: 'fa-video', label: 'DASH' });
            else if (url.includes('.m3u8')) tags.push({ icon: 'fa-video', label: 'HLS' });
            else if (url.includes('.mp4')) tags.push({ icon: 'fa-video', label: 'MP4' });
            else if (url.includes('/api/drive-stream/')) tags.push({ icon: 'fab fa-google-drive', label: 'Google Drive' });
            loadInfoEl.innerHTML = tags.map(t => `<span class="txa-load-info-tag"><i class="fas ${t.icon}"></i> <span class="tag-val">${t.label}</span></span>`).join('');
        }

        const updateSpeed = (n) => {
            const now = performance.now(), elapsed = (now - lastSpeedTime) / 1000;
            if (elapsed > 0.2 && n > lastBytes) {
                const bps = (n - lastBytes) / elapsed;
                speedHistory.push(bps);
                if (speedHistory.length > 5) speedHistory.shift();
                const currentSpeed = speedHistory.reduce((a, b) => a + b, 0) / speedHistory.length;
                if (speedEl) speedEl.textContent = (window.txaformat && window.txaformat.fileSize) ? window.txaformat.fileSize(currentSpeed, 1) + '/s' : (currentSpeed / 1048576).toFixed(1) + ' MB/s';
                lastBytes = n; lastSpeedTime = now;
            }
        };

        const updateLoadingPct = (targetPct, instant = false) => {
            if (!pctEl) return;
            const loadText = this.container.querySelector('#txa-load-text');
            if (instant) {
                this._loadProgress = targetPct;
                pctEl.textContent = Math.round(this._loadProgress) + '%';
                if (barFill) barFill.style.width = Math.round(this._loadProgress) + '%';
                return;
            }
            if (this._loadInterval) clearInterval(this._loadInterval);
            this._loadInterval = setInterval(() => {
                if (this._loadProgress < targetPct) {
                    const inc = targetPct >= 90 ? 0.5 : (targetPct >= 70 ? 1 : 2);
                    this._loadProgress = Math.min(targetPct, this._loadProgress + inc);
                    pctEl.textContent = Math.round(this._loadProgress) + '%';
                    if (barFill) barFill.style.width = Math.round(this._loadProgress) + '%';
                    if (loadText) {
                        if (this._loadProgress < 20) loadText.textContent = 'Đang khởi tạo trình phát...';
                        else if (this._loadProgress < 40) loadText.textContent = 'Đang tải manifest...';
                        else if (this._loadProgress < 70) loadText.textContent = 'Đang đệm dữ liệu...';
                        else if (this._loadProgress < 95) loadText.textContent = 'Đang tối ưu hóa...';
                        else loadText.textContent = 'Sẵn sàng!';
                    }
                } else { clearInterval(this._loadInterval); this._loadInterval = null; }
            }, 50);
        };

        const completeLoading = () => {
            if (this._loadInterval) clearInterval(this._loadInterval);
            this._loadProgress = 100;
            if (pctEl) pctEl.textContent = '100%';
            if (barFill) barFill.style.width = '100%';
            if (speedEl) speedEl.textContent = '✓ Ready';
            setTimeout(() => loader.classList.add('hidden'), 200);
        };

        const showLoaderWithProgress = (startPct = null) => {
            // v6.6.1 - Reset loader styles to default (clearing error states)
            if (loader) {
                const _spin = loader.querySelector('.txa-spinner');
                const _pct = loader.querySelector('#txa-load-pct');
                const _bar = loader.querySelector('#txa-load-bar-fill');
                const _text = loader.querySelector('#txa-load-text');
                const _retry = loader.querySelector('#txa-retry-btn');

                if (_spin) { _spin.style.borderTopColor = 'var(--txa-brand)'; _spin.style.animationPlayState = 'running'; }
                if (_pct) { _pct.style.color = '#fff'; }
                if (_bar) {
                    _bar.style.background = 'linear-gradient(90deg, var(--txa-brand), #f472b6)';
                    _bar.style.boxShadow = '0 0 15px var(--txa-brand-glow)';
                }
                if (_text) { _text.style.color = 'rgba(255,255,255,0.5)'; }
                if (_retry) _retry.remove();
                loader.style.pointerEvents = 'none';
            }

            loader?.classList.remove('hidden');
            if (startPct !== null) updateLoadingPct(startPct, true);
        };

        // Expose to instance so setQuality can use it
        this.updateLoadingPct = updateLoadingPct;
        this.hideLoader = completeLoading;
        this.showLoader = showLoaderWithProgress;

        if (this.options.videoUrl?.endsWith('.mpd')) {
            this.dashPlayer = dashjs.MediaPlayer().create();
            this.dashPlayer.initialize(this.video, this.options.videoUrl, this.options.autoPlay);
            updateLoadingPct(10);
            this.dashPlayer.on('streamInitialized', () => {
                updateLoadingPct(80);
                this.container.querySelector('#txa-item-quality').style.display = 'flex';
                this.generateQualityList(); this.initSubtitles(); this.renderMarkers();
            });
            this.dashPlayer.on('canPlay', completeLoading);
            this.dashPlayer.on('bufferStalled', () => showLoaderWithProgress(loadProgress > 50 ? loadProgress : 50));
            this.dashPlayer.on('bufferLoaded', completeLoading);
            this.dashPlayer.on('fragmentLoadingCompleted', (e) => { if (e?.request?.bytesTotal) updateSpeed(lastBytes + e.request.bytesTotal); });
        } else if (this.options.videoUrl) {
            // Updated isHLS detection to be more robust
            isHLS = this.options.videoUrl.includes('.m3u8') ||
                this.options.videoUrl.includes('txaformat=.m3u8') ||
                this.options.videoUrl.includes('format=.m3u8') ||
                (this.options.videoUrl.includes('streamc') && this.options.videoUrl.includes('.m3u8'));

            if (isHLS && typeof Hls !== 'undefined' && Hls.isSupported()) {
                const isStreamC = this.options.videoUrl.includes('streamc');
                const isBlobMode = this.options.anti403Mode === 'blob' || this.options.videoUrl.includes('anti403=1');

                if (this.options.isAdmin) {
                    console.log('%c[TXAPlayer] HLS Detected', 'color: #3b82f6; font-weight: bold;', this.options.videoUrl);
                    console.log('%c[TXAPlayer] Anti-403 Mode Strategy:', 'color: #10b981;', this.options.anti403Mode);
                }

                const initStandardHls = (useExtensionMode = false) => {
                    if (this.options.isAdmin) console.log('%c[TXAPlayer] Initializing Standard HLS (Proxy Mode)...', 'color: #3b82f6;');
                    if (this.hls) this.hls.destroy();
                    this.hls = new Hls({
                        enableWorker: true,
                        lowLatencyMode: false,
                        backBufferLength: 120,
                        maxBufferLength: 180,
                        maxMaxBufferLength: 600,
                        maxBufferSize: 250 * 1000 * 1000,
                        fragLoadingRetryDelay: 500,
                        fragLoadingMaxRetry: 10,
                        manifestLoadingMaxRetry: 5,
                        manifestLoadingRetryDelay: 1000,
                        levelLoadingMaxRetry: 5,
                        fragLoadingTimeOut: 20000,
                        startLevel: -1,
                        abandonAudioCodec: true,
                        fastReadyState: true,
                        liveDurationInfinity: true,
                        capLevelToPlayerSize: true,
                        xhrSetup: (xhr, url) => {
                            if (useExtensionMode) {
                                xhr.setRequestHeader('X-EXTENSION-MODE', '1');
                            } else {
                                xhr.setRequestHeader('X-TXA-PLAYER', 'Premium');
                            }
                        }
                    });
                    updateLoadingPct(10);
                    this.hls.attachMedia(this.video);
                    this.hls.on(Hls.Events.MEDIA_ATTACHED, () => this.hls.loadSource(this.options.videoUrl));
                    this.hls.on(Hls.Events.MANIFEST_LOADING, () => updateLoadingPct(20));
                    this.hls.on(Hls.Events.MANIFEST_LOADED, () => updateLoadingPct(40));
                    this.hls.on(Hls.Events.LEVEL_LOADING, () => updateLoadingPct(55));
                    this.hls.on(Hls.Events.LEVEL_LOADED, () => updateLoadingPct(70));
                    this.hls.on(Hls.Events.FRAG_LOADING, () => { if (loadProgress < 80) updateLoadingPct(80); });
                    this.hls.on(Hls.Events.FRAG_LOADED, (e, data) => {
                        updateLoadingPct(90);
                        if (data?.frag?.stats?.loaded) updateSpeed(lastBytes + data.frag.stats.loaded);
                        this._updateBufferBar();
                    });
                    this.hls.on(Hls.Events.MANIFEST_PARSED, () => {
                        this.renderMarkers(); this.generateQualityList();
                        if (this.options.autoPlay) this.video.play().catch(() => { });
                    });
                    this.hls.on(Hls.Events.LEVEL_SWITCHED, () => {
                        this.updateQualityUI(this.hls.autoLevelEnabled ? -1 : this.hls.loadLevel);
                        if (this.hideLoader) this.hideLoader(); // Hide loader after quality switch
                    });
                    this.hls.on(Hls.Events.ERROR, (e, data) => {
                        console.warn('[TXAPlayer] HLS Error', data.type, data.details, data.fatal);
                        if (data.fatal) {
                            if (data.type === Hls.ErrorTypes.NETWORK_ERROR) {
                                // Network error: thử recover, nếu vẫn fail thì hiện lỗi
                                this._hlsNetworkRetries = (this._hlsNetworkRetries || 0) + 1;
                                if (this._hlsNetworkRetries <= 3) {
                                    console.warn(`[TXAPlayer] HLS Network Error - Retry ${this._hlsNetworkRetries}/3`);
                                    setTimeout(() => this.hls?.startLoad(), 1500);
                                } else {
                                    console.error('[TXAPlayer] HLS Fatal Network Error after retries');
                                    this._txaShowHlsError('Không tải được video. Kiểm tra kết nối mạng.', data);
                                }
                            } else if (data.type === Hls.ErrorTypes.MEDIA_ERROR) {
                                this._hlsMediaRetries = (this._hlsMediaRetries || 0) + 1;
                                if (this._hlsMediaRetries <= 2) {
                                    this.hls.recoverMediaError();
                                } else {
                                    this._txaShowHlsError('Lỗi giải mã video. Thử tải lại trang.', data);
                                }
                            } else {
                                this._txaShowHlsError('Lỗi không xác định khi phát video.', data);
                                this.hls.destroy();
                            }
                        }
                    });
                };
                this._initStandardHls = initStandardHls;
                if (isBlobMode) {
                    if (this.options.isAdmin) console.log('%c[TXAPlayer] 🚀 EXTENSION MODE. Fetching and merging M3U8...', 'color: #10b981; font-weight: bold; font-size: 14px;');
                    this.loadM3u8AsMP4(this.options.videoUrl, updateLoadingPct, completeLoading, showLoaderWithProgress);
                    return;
                }
                initStandardHls(false);
            } else if (isHLS) {
                this.showFeedback('high', '❌ Thiếu thư viện HLS.js - Không thể phát M3U8. Vui lòng kiểm tra import HLS.js hoặc dùng link MP4 trực tiếp.'); completeLoading();
            } else { // Regular MP4 or other direct video URL
                updateLoadingPct(15);
                this.video.src = this.options.videoUrl;
                if (this.options.autoPlay) this.video.play().catch(() => { });
            }
            this.initSubtitles();
        }

        // Loading state management
        const hideLoader = () => completeLoading();
        const showLoader = () => showLoaderWithProgress(loadProgress > 30 ? loadProgress : 30);

        this.video.onloadstart = () => {
            if (loadProgress < 20) updateLoadingPct(20);
        };
        this.video.onloadeddata = () => {
            updateLoadingPct(60);
        };
        this.video.oncanplay = () => {
            updateLoadingPct(85);
        };
        this.video.oncanplaythrough = () => {
            completeLoading();
        };
        this.video.onwaiting = showLoader;
        this.video.onseeking = () => {
            showLoaderWithProgress(50);
        };
        this.video.onseeked = hideLoader;
        this.video.onplaying = hideLoader;
        this.video.onloadedmetadata = () => {
            updateLoadingPct(45);
            this.updateTopTitle();
            this.renderMarkers();
            this.checkWatchResume();
            this.initSubtitles(); // Ensure subs are synced after metadata
        };

        /**
         * ACCURATE BUFFERED PERCENTAGE CALCULATION
         */
        this.video.onprogress = () => {
            if (!loader.classList.contains('hidden') && pctEl) {
                const duration = this.video.duration;
                if (!duration || !isFinite(duration)) return;
                const buffered = this.video.buffered;
                if (buffered.length === 0) return;
                let totalBuffered = 0;
                for (let i = 0; i < buffered.length; i++) {
                    totalBuffered += buffered.end(i) - buffered.start(i);
                }
                const bufferPct = (totalBuffered / duration) * 100;
                const mappedPct = 60 + (bufferPct * 0.39);
                if (mappedPct > loadProgress) {
                    updateLoadingPct(Math.min(99, mappedPct));
                }
            }
        };

        // ===== CONTINUOUS BUFFER BAR UPDATE (YouTube-style) =====
        if (this._bufferInterval) clearInterval(this._bufferInterval);
        const bufBar = this.container.querySelector('#txa-buffer');
        if (bufBar) {
            bufBar.classList.add('loading');
            this._bufferInterval = setInterval(() => {
                this._updateBufferBar();
            }, 1000);

            this.video.addEventListener('progress', () => {
                const duration = this.video.duration;
                if (!duration || !isFinite(duration)) return;
                const buffered = this.video.buffered;
                if (buffered.length > 0) {
                    const lastEnd = buffered.end(buffered.length - 1);
                    if (lastEnd >= duration - 1) {
                        bufBar.classList.remove('loading');
                    }
                }
            });
        }
        // ── Watchdog: nếu progress stuck ở ≤20% sau 18s thì hiển thị lỗi ──
        // Bảo vệ người dùng khỏi loader treo vô hạn khi mạng chậm hoặc nguồn lỗi
        if (this._stuckWatchdog) clearTimeout(this._stuckWatchdog);
        this._stuckWatchdog = setTimeout(() => {
            // Chỉ kích hoạt nếu loader vẫn còn hiện và progress ≤ 22%
            const _loader = this.container?.querySelector('#txa-loader');
            if (!_loader || _loader.classList.contains('hidden')) return;
            const _pct = this.container?.querySelector('#txa-load-pct');
            const currentPct = parseInt(_pct?.textContent || '0');
            if (currentPct <= 22 && !isNaN(currentPct)) {
                console.warn('[TXAPlayer] Watchdog: loader stuck at', currentPct + '% after 18s');
                this._txaShowHlsError?.('Quá trình tải mất quá nhiều thời gian. Có thể nguồn phim đang bảo trì.', null);
            }
        }, 18000);

        // Clear watchdog khi video thực sự play được
        this.video.addEventListener('playing', () => {
            if (this._stuckWatchdog) { clearTimeout(this._stuckWatchdog); this._stuckWatchdog = null; }
        }, { once: true });

        // v6.5.0 - Auto-detect preview thumbnail sprite
        if (!this._isPreviewDetecting) {
            this._isPreviewDetecting = true;
            this._detectPreviewSprite();
        }
    }

    /**
     * v6.5.2 - Auto-detect and preload preview sprite (preview.jpg)
     * OR New Turbo Storyboard (L1_M0.jpg)
     */
    _detectPreviewSprite() {
        let previewUrl = this.options.previewUrl;
        const videoUrl = this.options.videoUrl;
        const thumbEl = this.container?.querySelector('#txa-preview-thumb');
        if (!thumbEl) return;

        // Reset state
        this._useStoryboard = false;
        this._currentStoryboardLevel = 'L1';

        // Try auto-detection of base path
        let basePath = '';
        let actualVideoUrl = videoUrl || '';
        
        // v6.6.3 - Support proxied URLs by extracting the real target
        if (actualVideoUrl.includes('/api/proxy-media?url=')) {
            try {
                const search = actualVideoUrl.split('?')[1];
                const params = new URLSearchParams(search);
                actualVideoUrl = params.get('url') || actualVideoUrl;
            } catch(e) {}
        }

        if (actualVideoUrl) {
            try {
                const url = new URL(actualVideoUrl);
                const m3u8Match = actualVideoUrl.match(/(https?:\/\/[^/]*(?:s3|tebi|storage|cdn)[^/]*\/[^?]*\/)/);
                if (m3u8Match) {
                    basePath = m3u8Match[1];
                } else {
                    const pathParts = url.pathname.split('/');
                    pathParts.pop();
                    basePath = url.origin + pathParts.join('/') + '/';
                }
            } catch (e) {
                const lastSlash = actualVideoUrl.lastIndexOf('/');
                if (lastSlash > 0) basePath = actualVideoUrl.substring(0, lastSlash + 1);
            }
        }

        const handleFinalError = () => {
            this._previewSpriteUrl = null;
            this._previewSpriteLoaded = false;
            thumbEl.classList.remove('loading', 'has-sprite');
            thumbEl.style.backgroundImage = 'none';
        };

        // 🚀 STRATEGY 1: Check for Turbo Storyboard (VOD Pipeline v2)
        if (basePath) {
            const storyboardPath = basePath + 'storyboard/';
            const checkImg = new Image();
            checkImg.src = this.getProxiedUrl(storyboardPath + 'L1_M0.jpg');
            checkImg.onload = () => {
                if (this.destroyed) return;
                this._useStoryboard = true;
                this._storyboardPath = storyboardPath;
                this._previewSpriteLoaded = true;
                thumbEl.classList.add('has-sprite');
                thumbEl.classList.remove('loading');
                console.log('%c[TXAPlayer] 🚀 Turbo Storyboard Engine Active (L1) ✅', 'color:#a855f7; font-weight:bold;');

                // Level Upgrade Timer (Premium Strategy)
                this._previewUpgradeTimer = setTimeout(() => {
                    if (this.destroyed) return;
                    if (window.innerWidth > 1200) this._currentStoryboardLevel = 'L3';
                    else if (window.innerWidth > 768) this._currentStoryboardLevel = 'L2';
                    console.log(`%c[TXAPlayer] 🖼️ Storyboard upgraded to ${this._currentStoryboardLevel} for crispness`, 'color:#a855f7;');
                }, 4000);
            };
            checkImg.onerror = () => {
                // FALLBACK to Strategy 2 (Legacy preview.jpg)
                this._detectLegacyPreview(previewUrl, basePath, thumbEl, handleFinalError);
            };

            // 🚀 STRATEGY 3: Detect MP4 Multi-Quality (NEW v6.5.2)
            if (videoUrl && videoUrl.toLowerCase().endsWith('.mp4')) {
                const filename = videoUrl.split('/').pop();
                if (filename.match(/(\d+)p\.mp4/i)) {
                    this._detectMP4Qualities(basePath, filename);
                }
            }
            return;
        }

        this._detectLegacyPreview(previewUrl, basePath, thumbEl, handleFinalError);
    }

    /**
     * v6.5.2 - Predictive MP4 Multi-Quality Detection
     * Probes tebi/s3 folder for 1080p.mp4, 720p.mp4, etc.
     */
    async _detectMP4Qualities(basePath, currentFilename) {
        const qualities = ['1080p', '720p', '480p', '360p', '144p'];
        const results = [];
        const currentLabel = currentFilename.replace('.mp4', '').toLowerCase();

        for (const q of qualities) {
            if (q === currentLabel) {
                results.push({ height: parseInt(q), url: this.options.videoUrl, name: q.toUpperCase() });
                continue;
            }

            const checkUrl = basePath + q + '.mp4';
            try {
                // Fast check with HEAD request
                const res = await fetch(checkUrl, { method: 'HEAD' });
                if (res.ok) {
                    results.push({ height: parseInt(q), url: checkUrl, name: q.toUpperCase() });
                }
            } catch (e) { }
        }

        if (results.length > 1) {
            this._mp4Levels = results.sort((a, b) => b.height - a.height);
            this.generateQualityList();
            console.log(`%c[TXAPlayer] 🎞️ Predictive MP4 Active: ${this._mp4Levels.length} qualities found`, 'color:#a855f7; font-weight:bold;');
        }
    }

    /**
     * v6.5.2 - Legacy Sprite Logic (Backward Compatibility)
     */
    _detectLegacyPreview(previewUrl, basePath, thumbEl, handleFinalError) {
        if (!previewUrl && basePath) {
            previewUrl = this.getProxiedUrl(basePath + 'preview.jpg');
        }
        if (!previewUrl) return;

        const loadPreview = (useCORS = true) => {
            const img = new Image();
            if (useCORS) img.crossOrigin = 'anonymous';

            img.onload = () => {
                if (this.destroyed) return;
                if (img.naturalWidth < 160 || img.naturalHeight < 90) {
                    handleFinalError();
                    return;
                }

                if (useCORS) {
                    if (this.options.previewLowUrl) {
                        this._previewLowUrl = this.options.previewLowUrl;
                        this._previewLowLoaded = true;
                        thumbEl.style.backgroundImage = `url('${this._previewLowUrl}')`;
                        thumbEl.classList.add('has-sprite');
                        thumbEl.classList.remove('loading');

                        this._previewUpgradeTimer = setTimeout(() => {
                            if (this.destroyed) return;
                            this._previewSpriteUrl = previewUrl;
                            this._previewSpriteLoaded = true;
                            thumbEl.style.backgroundImage = `url('${previewUrl}')`;
                            thumbEl.style.backgroundSize = '1600px 900px';
                        }, 500);
                    } else {
                        // Canvas downscale
                        try {
                            const canvas = document.createElement('canvas');
                            const scale = 0.25;
                            canvas.width = Math.round(img.naturalWidth * scale);
                            canvas.height = Math.round(img.naturalHeight * scale);
                            const ctx = canvas.getContext('2d');
                            ctx.imageSmoothingEnabled = true;
                            ctx.imageSmoothingQuality = 'low';
                            ctx.drawImage(img, 0, 0, canvas.width, canvas.height);
                            this._previewLowUrl = canvas.toDataURL('image/jpeg', 0.5);
                            this._previewLowLoaded = true;
                            thumbEl.style.backgroundImage = `url('${this._previewLowUrl}')`;
                            thumbEl.style.backgroundSize = '400px 225px';
                            thumbEl.classList.add('has-sprite');
                            thumbEl.classList.remove('loading');
                        } catch (e) {
                            useHQDirectly();
                            return;
                        }
                        this._previewUpgradeTimer = setTimeout(() => {
                            if (this.destroyed) return;
                            this._previewSpriteUrl = previewUrl;
                            this._previewSpriteLoaded = true;
                            thumbEl.style.backgroundImage = `url('${previewUrl}')`;
                            thumbEl.style.backgroundSize = '1600px 900px';
                        }, 600);
                    }
                } else {
                    useHQDirectly();
                }
            };

            const useHQDirectly = () => {
                this._previewSpriteUrl = previewUrl;
                this._previewSpriteLoaded = true;
                thumbEl.style.backgroundImage = `url('${previewUrl}')`;
                thumbEl.style.backgroundSize = '1600px 900px';
                thumbEl.classList.add('has-sprite');
                thumbEl.classList.remove('loading');
            };

            img.onerror = () => {
                if (useCORS) loadPreview(false);
                else handleFinalError();
            };
            img.src = previewUrl;
        };

        loadPreview(true);
    }

    /**
     * v6.5.2 - Update preview thumbnail position based on hover/scrub position
     * Supports both Legacy Sprite and Neon Core Storyboard (L1/L2/L3)
     */
    _updatePreviewThumb(pos) {
        const thumbEl = this.container?.querySelector('#txa-preview-thumb');
        if (!thumbEl || !this._previewSpriteLoaded) return;

        const duration = this.video?.duration;
        if (!duration || !isFinite(duration)) return;

        const targetTime = pos * duration;
        let thumbW = 160, thumbH = 90;

        if (this._useStoryboard) {
            const config = STORYBOARD_LEVELS[this._currentStoryboardLevel];
            const framesPerChunk = config.grid[0] * config.grid[1];
            const frameIndex = Math.floor(targetTime / config.interval);
            const chunkIndex = Math.floor(frameIndex / framesPerChunk);
            const frameInChunk = frameIndex % framesPerChunk;

            const rawChunkUrl = `${this._storyboardPath}${config.prefix}${chunkIndex}.jpg`;
            const chunkUrl = this.getProxiedUrl(rawChunkUrl);
            const col = frameInChunk % config.grid[0];
            const row = Math.floor(frameInChunk / config.grid[0]);

            thumbW = config.size[0];
            thumbH = config.size[1];

            thumbEl.style.backgroundImage = `url('${chunkUrl}')`;
            thumbEl.style.backgroundSize = `${config.grid[0] * thumbW}px ${config.grid[1] * thumbH}px`;
            thumbEl.style.backgroundPosition = `${-(col * thumbW)}px ${-(row * thumbH)}px`;
            thumbEl.style.width = thumbW + 'px';
            thumbEl.style.height = thumbH + 'px';
        } else {
            // Legacy Logic
            const frameIndex = Math.min(99, Math.floor(targetTime / 10));
            const col = frameIndex % 10;
            const row = Math.floor(frameIndex / 10);
            thumbEl.style.backgroundPosition = `${-(col * 160)}px ${-(row * 90)}px`;
            thumbEl.style.width = '160px';
            thumbEl.style.height = '90px';
        }

        // Clamp to container bounds
        const pWrap = this.container?.querySelector('#txa-progress');
        if (pWrap) {
            const wrapW = pWrap.offsetWidth;
            const half = thumbW / 2;
            const leftPx = pos * wrapW;

            if (leftPx < half) {
                thumbEl.style.left = half + 'px';
                thumbEl.style.transform = 'translateX(-50%)';
            } else if (leftPx > wrapW - half) {
                thumbEl.style.left = (wrapW - half) + 'px';
                thumbEl.style.transform = 'translateX(-50%)';
            } else {
                thumbEl.style.left = (pos * 100) + '%';
                thumbEl.style.transform = 'translateX(-50%)';
            }
        }
    }

    generateQualityList() {
        const list = this.container.querySelector('#txa-list-quality');
        if (!list) return;
        list.innerHTML = '';

        let levels = [];
        let currentLevel = -1;

        if (this.hls) {
            levels = this.hls.levels;
            currentLevel = this.hls.currentLevel;
        } else if (this.dashPlayer) {
            levels = this.dashPlayer.getBitrateInfoListFor('video');
            currentLevel = this.dashPlayer.getQualityFor('video');
        } else if (this._mp4Levels.length > 0) {
            levels = this._mp4Levels.map((l, i) => ({ ...l, originalIndex: i }));
            // Find current active level by URL
            currentLevel = this._mp4Levels.findIndex(l => l.url === (this._lastMP4Url || this.options.videoUrl));
            if (currentLevel !== -1) currentLevel = levels[currentLevel].originalIndex; // Map to originalIndex
        }

        // Parse whitelist / manual quality list
        const maxQRaw = this.options.maxQuality || 'auto';
        const qList = maxQRaw.split(',').map(s => s.trim().toLowerCase());
        const isAutoAllowed = qList.includes('auto');

        // Allow single manual quality (e.g. "1080p") to show menu if provided
        const hasManualQualities = qList.length > 0 && !(qList.length === 1 && qList[0] === 'auto');
        const hasMultipleLevels = levels && levels.length > 1;

        if (!hasMultipleLevels && !hasManualQualities) {
            this.container.querySelector('#txa-item-quality').style.display = 'none';
            return;
        }

        this.container.querySelector('#txa-item-quality').style.display = 'flex';

        // Filter levels for UI
        const isWhitelisted = (lvl) => {
            if (qList.length === 0 || (qList.length === 1 && qList[0] === 'auto')) return true;
            const h = lvl.height || 0;
            const label = h + 'p';
            return qList.some(q => {
                if (q === label) return true; // Exact match: "360p" === "360p"
                if (q === '4k' && h >= 2160) return true;
                if (q === '2k' && h >= 1440) return true;
                if (q === 'fullhd' && h >= 1080) return true;
                if (q === 'fhd' && h >= 1080) return true;
                if (q === 'hd' && h >= 720 && h < 1080) return true; // HD = 720p only
                if (['cam', 'sd'].includes(q)) return true;
                return false;
            });
        };

        const availableLevels = levels.map((l, i) => ({ ...l, originalIndex: i }));
        const filteredLevels = availableLevels.filter(isWhitelisted);

        let uiLevels = filteredLevels.length > 0 ? filteredLevels : availableLevels;

        // Dummy Logic if no levels found but Manual Quality is Enforced (e.g. Single MP4 with label)
        if (uiLevels.length === 0 && hasManualQualities && (!levels || levels.length === 0)) {
            uiLevels = qList.filter(q => q !== 'auto').map((q, i) => ({
                height: parseInt(q.replace(/\D/g, '')) || 0,
                name: q.toUpperCase(),
                originalIndex: -100 - i // Dummy Index
            }));
            // Force first one active if no HLS
            if (currentLevel === -1 && uiLevels.length > 0) currentLevel = uiLevels[0].originalIndex;
        }

        // Special check: if we are using MP4 Predictive levels, levels are ALREADY uiLevels
        if (this._mp4Levels.length > 0 && uiLevels.length === 0) {
            uiLevels = levels;
        }

        // Auto Option (Only if we have real HLS/DASH switching capability)
        if (isAutoAllowed && (hasMultipleLevels || levels.length > 0)) {
            const autoItem = document.createElement('div');
            autoItem.className = 'txa-menu-item' + (currentLevel === -1 ? ' active' : '');
            autoItem.dataset.quality = -1;

            let autoLabel = 'Auto';
            if (uiLevels.length < levels.length && levels.length > 0) {
                const sorted = [...uiLevels].sort((a, b) => a.height - b.height);
                const minH = sorted[0]?.height || '?';
                const maxH = sorted[sorted.length - 1]?.height || '?';
                autoLabel = `Auto (${minH}p — ${maxH}p)`;
            }

            autoItem.innerHTML = `<span>${autoLabel}</span><span id="txa-auto-label"></span>`;

            if (this.options.isGuest) {
                autoItem.classList.add('disabled');
                autoItem.onclick = (e) => { e.stopPropagation(); this.showToast('Vui lòng đăng nhập để chỉnh chất lượng', 'warning'); };
            } else {
                autoItem.onclick = (e) => {
                    e.stopPropagation();
                    this.setQuality(-1);
                    this.updateQualityUI(-1);
                };
            }
            list.appendChild(autoItem);
        }

        // Sort levels high to low for UI
        const sortedUiLevels = [...uiLevels].sort((a, b) => b.height - a.height);

        sortedUiLevels.forEach((level) => {
            const item = document.createElement('div');
            item.className = 'txa-menu-item' + (currentLevel === level.originalIndex ? ' active' : '');
            item.dataset.quality = level.originalIndex; // Ensure dataset is set

            if (this.options.isGuest) item.classList.add('disabled');

            let label = '';

            // Priority 1: Resolution based
            if (level.height && level.height > 0) {
                label = level.height + 'p';
                if (level.height >= 2160) label = '2160p 4K';
                else if (level.height >= 1440) label = '1440p 2K';
                else if (level.height >= 1080) label = '1080p FHD';
                else if (level.height >= 720) label = '720p HD';
            }

            // Priority 2: Level Name from Manifest
            if ((!label || label === '0p') && level.name) {
                label = level.name;
            }

            // Priority 3: Inference from Config (Single Custom Label)
            if (!label || label === '0p') {
                const specialLabels = qList.filter(q =>
                    q !== 'auto' && !q.endsWith('p') && !['4k', '2k', 'fullhd', 'hd'].includes(q.toLowerCase())
                );

                if (specialLabels.length === 1) {
                    label = specialLabels[0]; // Keep original case
                } else if (specialLabels.length > 1) {
                    label = level.bitrate ? `SD (${(level.bitrate / 1000).toFixed(0)}k)` : `Quality ${level.originalIndex}`;
                } else {
                    label = level.bitrate ? `SD (${(level.bitrate / 1000).toFixed(0)}k)` : 'Original';
                }
            }

            const bitrate = level.bitrate ? ` ${(level.bitrate / 1000000).toFixed(1)} Mbps` : '';
            const isPremiumQuality = level.height >= 1080;
            if (this.options.isGuest && isPremiumQuality) {
                item.innerHTML = `<span>${label}</span><span style="background:#facc15;color:#000;font-size:8px;padding:2px 4px;border-radius:4px;font-weight:900;margin-left:8px;">PRO</span>`;
                item.style.opacity = '0.7';
                item.onclick = (e) => {
                    e.stopPropagation();
                    this.showToast('Vui lòng đăng nhập để xem chất lượng ' + label, 'warning');
                };
            } else {
                item.innerHTML = `<span>${label}</span><span style="opacity:0.5;font-size:11px;">${bitrate}</span>`;
                item.onclick = (e) => {
                    e.stopPropagation();
                    this.setQuality(level.originalIndex);
                    this.updateQualityUI(level.originalIndex);

                    // For dummy levels (MP4), give immediate feedback as setQuality HLS logic won't run
                    if (level.originalIndex <= -100) {
                        this.showFeedback('text', `Quality: ${label}`);
                    }
                };
            }
            list.appendChild(item);
        });

        // Ensure "Auto" is the default selection if currentLevel is -1
        this.updateQualityUI(currentLevel);

        // Apply Default Quality Logic (Moved inside function)
        let targetLevel = null;
        const savedQ = localStorage.getItem('txa-quality');

        // Check against `uiLevels` (variable from above scope)
        if (savedQ !== null && !this.options.isGuest) {
            const parsed = parseInt(savedQ);
            const isStillAllowed = parsed === -1 || uiLevels.some(l => l.originalIndex === parsed);
            if (isStillAllowed) {
                targetLevel = parsed;
            } else {
                targetLevel = -1;
                localStorage.removeItem('txa-quality');
            }
        } else if (this.options.maxQuality && !this.options.isGuest) {
            targetLevel = -1;
        }

        if (targetLevel !== null && targetLevel !== undefined) {
            this.setQuality(targetLevel);
            this.updateQualityUI(targetLevel);
        }

        if (uiLevels.length < levels.length) {
            this.enforceQualityRestriction(availableLevels, uiLevels);
        }
    }

    /**
     * HARD QUALITY ENFORCEMENT
     * Physically removes disallowed levels from HLS.js manifest
     * and sets autoLevelCapping + LEVEL_SWITCHING interceptor as fallback.
     * This ensures ABR can NEVER select a quality outside admin's config.
     */
    enforceQualityRestriction(allLevels, allowedLevels) {
        const allowedIndices = new Set(allowedLevels.map(l => l.originalIndex));

        if (this.hls) {
            // Strategy 1: Remove levels from HLS.js (v1.4+)
            // We must remove from highest index to lowest to avoid index shifting
            const toRemove = allLevels
                .filter(l => !allowedIndices.has(l.originalIndex))
                .sort((a, b) => b.originalIndex - a.originalIndex);

            if (typeof this.hls.removeLevel === 'function') {
                // Build index mapping: old index → new index after removals
                this._qualityIndexMap = {};
                let newIdx = 0;

                for (const lvl of allLevels.sort((a, b) => a.originalIndex - b.originalIndex)) {
                    if (allowedIndices.has(lvl.originalIndex)) {
                        this._qualityIndexMap[lvl.originalIndex] = newIdx;
                        newIdx++;
                    }
                }

                // Actually remove the levels (reverse order to keep indices stable)
                toRemove.forEach(lvl => {
                    try {
                        this.hls.removeLevel(lvl.originalIndex);
                    } catch (e) {
                        // Silently fail if removeLevel not available on this version
                    }
                });

                // After removal: cap auto to available levels
                const newMaxIdx = this.hls.levels.length - 1;
                if (newMaxIdx >= 0) {
                    this.hls.autoLevelCapping = newMaxIdx;
                }

                // Remap onclick handlers for quality items
                const qualityItems = this.container.querySelectorAll('#txa-list-quality .txa-menu-item[data-quality]');
                // Items' data-quality may refer to old indices which no longer exist
            } else {
                // Strategy 2: Fallback for older HLS.js without removeLevel
                // Use autoLevelCapping for max, and LEVEL_SWITCHING to block disallowed
                const maxAllowed = Math.max(...allowedIndices);
                this.hls.autoLevelCapping = maxAllowed;

                // Intercept level switching to block non-allowed levels
                this.hls.on(Hls.Events.LEVEL_SWITCHING, (event, data) => {
                    if (!allowedIndices.has(data.level)) {
                        // Force back to nearest allowed level
                        const nearest = [...allowedIndices].sort((a, b) =>
                            Math.abs(a - data.level) - Math.abs(b - data.level)
                        )[0];
                        if (nearest !== undefined) {
                            this.hls.currentLevel = nearest;
                        }
                    }
                });
            }
        } else if (this.dashPlayer) {
            // DashJS: Use maxBitrate and minBitrate constraints
            const allowedBitrates = allowedLevels.map(l => l.bitrate).filter(Boolean);
            if (allowedBitrates.length > 0) {
                const maxBr = Math.max(...allowedBitrates);
                const minBr = Math.min(...allowedBitrates);
                this.dashPlayer.updateSettings({
                    'streaming': {
                        'abr': {
                            'maxBitrate': { 'video': maxBr },
                            'minBitrate': { 'video': minBr }
                        }
                    }
                });
            }
        }
    }

    setQuality(levelIndex) {
        if (this.options.isGuest) return;

        // Show immediate loading indicator when switching quality
        if (this.showLoader) {
            this.showLoader(50);
            const loadText = this.container.querySelector('#txa-load-text');
            if (loadText) loadText.textContent = 'Đang chuyển đổi chất lượng...';
        }

        if (this.hls) {
            // Check if we need to force a redraw or buffer clear
            const wasPlaying = !this.video.paused;
            this.hls.currentLevel = levelIndex;

            // Fix for "stuck/frozen" frames on some browsers:
            // Briefly pause and play to force-refresh the decoder if it was playing
            if (wasPlaying) {
                setTimeout(() => {
                    if (this.video.paused) this.video.play().catch(() => { });
                }, 100);
            }
        } else if (this.dashPlayer) {
            const wasPlaying = !this.video.paused;
            if (levelIndex === -1) {
                this.dashPlayer.updateSettings({ 'streaming': { 'abr': { 'autoSwitchBitrate': { 'video': true } } } });
            } else {
                this.dashPlayer.updateSettings({ 'streaming': { 'abr': { 'autoSwitchBitrate': { 'video': false } } } });
                this.dashPlayer.setQualityFor('video', levelIndex);
            }
            if (wasPlaying) {
                setTimeout(() => {
                    if (this.video.paused) this.video.play().catch(() => { });
                }, 100);
            }

            // For DASH, hide loader after a short delay or logic (simplification)
            setTimeout(() => this.hideLoader && this.hideLoader(), 1500);
        } else if (this._mp4Levels.length > 0 && levelIndex >= 0) {
            // v6.5.2 Switching between Direct MP4 files
            // Handle originalIndex mapping back to our _mp4Levels
            const newLevel = this._mp4Levels.find(l => l.originalIndex === levelIndex) || this._mp4Levels[levelIndex];

            if (newLevel && newLevel.url !== (this._lastMP4Url || this.options.videoUrl)) {
                const currentTime = this.video.currentTime;
                const wasPlaying = !this.video.paused;

                if (this.showLoader) this.showLoader(50);

                this._lastMP4Url = newLevel.url;
                this.video.src = newLevel.url;

                this.video.onloadedmetadata = () => {
                    this.video.currentTime = currentTime;
                    if (wasPlaying) this.video.play().catch(() => { });
                    this.hideLoader && this.hideLoader();
                    this.generateQualityList(); // Update UI active state
                    this.video.onloadedmetadata = null;
                };
            }
        }

        // Save preference
        localStorage.setItem('txa-quality', levelIndex);

        // Close settings menu
        this.navSettings('main');
    }

    updateQualityUI(levelIndex) {
        const items = this.container.querySelectorAll('#txa-list-quality .txa-menu-item');
        let activeLabel = 'Auto';
        let shortLabel = 'Auto';
        let realResolution = ''; // New: Track actual playing resolution

        // 1. Detect Real Resolution used by Auto (-1)
        if (levelIndex === -1 && this.hls) {
            // HLS: Use currentLevel (playing) or loadLevel (loading)
            const lvlIdx = this.hls.currentLevel !== -1 ? this.hls.currentLevel : this.hls.loadLevel;
            if (lvlIdx !== -1 && this.hls.levels && this.hls.levels[lvlIdx]) {
                const lvl = this.hls.levels[lvlIdx];
                if (lvl && lvl.height) realResolution = lvl.height;
            }
        } else if (levelIndex === -1 && this.dashPlayer) {
            // DASH: Logic if needed
        }

        items.forEach(item => {
            item.classList.remove('active');
            const icon = item.querySelector('.fa-check');
            if (icon) icon.remove();

            if (parseInt(item.dataset.quality) === levelIndex) {
                item.classList.add('active');

                const check = document.createElement('i');
                check.className = 'fas fa-check';
                check.style.marginLeft = 'auto';
                check.style.color = 'var(--txa-brand)';
                check.style.fontSize = '12px';
                item.appendChild(check);

                const textSpan = item.querySelector('span');
                if (textSpan) {
                    activeLabel = textSpan.textContent;

                    // Generate Short Label for Badge
                    if (levelIndex === -1) {
                        shortLabel = 'Auto';
                        // Keep pure Auto for badge text to avoid clutter, 
                        // but we will use realResolution for color coding below
                    } else {
                        shortLabel = activeLabel
                            .replace(' UHD', '')
                            .replace(' QHD', '')
                            .replace(' FHD', '')
                            .replace(' HD', '')
                            .replace('p', '');
                    }
                }
            }
        });

        // Update Parent Menu Text
        const lbl = this.container.querySelector('#txa-lbl-quality');
        if (lbl) {
            // If Auto, append real resolution dynamically
            if (levelIndex === -1 && realResolution) {
                lbl.textContent = `Auto (${realResolution}p)`;
            } else {
                lbl.textContent = activeLabel;
            }
        }

        // Update Settings Button Badge
        const badge = this.container.querySelector('#txa-quality-badge');
        if (badge) {
            // If Auto, show actual res if we have it? Or just 'Auto'?
            // "SHOW CURENT QUALITY ON BAGE ICON SETTINGS" -> User wants to see resolution
            if (levelIndex === -1 && realResolution) {
                badge.textContent = `${realResolution}p`; // e.g. "720p"
            } else {
                badge.textContent = shortLabel; // "1080", "AUTO"
            }

            // Color Coding
            badge.style.background = 'rgba(255,255,255,0.2)';
            badge.style.color = '#fff';
            badge.style.fontWeight = 'normal';
            badge.style.boxShadow = 'none';

            // Determine effective resolution for styling
            let effectiveRes = realResolution ? parseInt(realResolution) : 0;
            if (levelIndex !== -1) effectiveRes = parseInt(shortLabel) || 0;
            if (shortLabel.includes('4K')) effectiveRes = 2160;

            if (effectiveRes >= 2160) { // 4K
                badge.style.background = '#f43f5e'; // Rose
                badge.style.boxShadow = '0 0 10px rgba(244, 63, 94, 0.4)';
                badge.style.fontWeight = 'bold';
            } else if (effectiveRes >= 1080) { // FHD
                badge.style.background = '#eab308'; // Yellow
                badge.style.color = '#000';
                badge.style.fontWeight = '800';
            } else if (effectiveRes >= 720) { // HD
                badge.style.background = '#3b82f6'; // Blue
            } else if (activeLabel === 'Auto' || levelIndex === -1) {
                // Low res auto or unknown
                badge.style.background = 'var(--txa-brand)';
            }
        }

        // Toast Notification
        if (this._lastQualityIndex !== levelIndex) {
            if (this._lastQualityIndex !== undefined) {
                let msg = `Đã chuyển sang: ${activeLabel}`;
                if (levelIndex === -1 && realResolution) msg = `Tự động (${realResolution}p)`;
                this.showToast(msg, 'info');
            }
            this._lastQualityIndex = levelIndex;
        }
    }

    renderMarkers() {
        if (!this.options.isLoggedIn) return;
        const container = this.container.querySelector('#txa-markers');
        if (!container) return;

        // Always reset markers first, even if duration is not ready
        container.innerHTML = '';

        if (!this.video || !this.video.duration || !this.options.markers) return;

        const dur = this.video.duration;
        const { intro, outro } = this.options.markers;

        if (intro && intro[1] > intro[0]) {
            const zone = document.createElement('div');
            zone.className = 'txa-marker-zone intro';
            zone.style.left = (intro[0] / dur * 100) + '%';
            zone.style.width = ((intro[1] - intro[0]) / dur * 100) + '%';
            container.appendChild(zone);

            const dotStart = document.createElement('div');
            dotStart.className = 'txa-marker-dot intro-start';
            dotStart.style.left = (intro[0] / dur * 100) + '%';
            container.appendChild(dotStart);

            const dotEnd = document.createElement('div');
            dotEnd.className = 'txa-marker-dot intro-end';
            dotEnd.style.left = (intro[1] / dur * 100) + '%';
            container.appendChild(dotEnd);
        }

        if (outro && (outro[1] > outro[0] || (outro[0] > 0 && (outro[1] === 0 || !outro[1])))) {
            const effectiveOutroOut = (outro[1] > 0) ? outro[1] : dur;
            const zone = document.createElement('div');
            zone.className = 'txa-marker-zone outro';
            zone.style.left = (outro[0] / dur * 100) + '%';
            zone.style.width = ((effectiveOutroOut - outro[0]) / dur * 100) + '%';
            container.appendChild(zone);

            const dotStart = document.createElement('div');
            dotStart.className = 'txa-marker-dot outro-start';
            dotStart.style.left = (outro[0] / dur * 100) + '%';
            container.appendChild(dotStart);

            const dotEnd = document.createElement('div');
            dotEnd.className = 'txa-marker-dot outro-end';
            dotEnd.style.left = (effectiveOutroOut / dur * 100) + '%';
            container.appendChild(dotEnd);
        }
    }

    initSubtitles() {
        const subs = this.options.subtitles || [];
        const hasSubs = subs.length > 0;

        // 1. Update Internal Toolbar Track support if needed
        // (Clearing old tracks first)
        // Remove existing track elements from video to prevent duplicates
        Array.from(this.video.children).filter(child => child.tagName === 'TRACK').forEach(track => track.remove());

        subs.forEach((sub, index) => {
            const track = document.createElement('track');
            track.kind = 'subtitles';
            track.label = sub.label || sub.lang;
            track.srclang = sub.lang;
            // Handle both URL (src/file) and inline content
            if (sub.src || sub.file) {
                track.src = sub.src || sub.file;
            } else if (sub.content) {
                // Create blob URL for inline VTT content
                const blob = new Blob([sub.content], { type: 'text/vtt' });
                track.src = URL.createObjectURL(blob);
            }
            this.video.appendChild(track);
        });

        // 2. Update Settings Menu UI
        const list = this.container.querySelector('#txa-list-subs');
        const itemSubs = this.container.querySelector('#txa-item-subs');
        const btnSubs = this.container.querySelector('#txa-cc');

        if (itemSubs) itemSubs.style.display = hasSubs ? 'flex' : 'none';
        if (btnSubs) {
            btnSubs.style.display = hasSubs ? '' : 'none';
            const icon = btnSubs.querySelector('i');
            if (icon) {
                icon.style.opacity = hasSubs ? '1' : '0.4';
                icon.style.filter = hasSubs ? 'none' : 'grayscale(1)';
            }
            const tip = btnSubs.querySelector('.txa-tooltip');
            if (tip) tip.textContent = hasSubs ? 'Subtitles (c)' : 'No Subtitles';
        }

        if (list) {
            list.innerHTML = `<div class="txa-menu-item" data-sub="-1">Off</div>`;
            subs.forEach((sub, index) => {
                const item = document.createElement('div');
                item.className = 'txa-menu-item';
                item.dataset.sub = index;
                item.innerHTML = `<span>${sub.label || sub.lang}</span><span style="font-size:10px;opacity:0.5;">${sub.lang || ''}</span>`;
                item.onclick = (e) => {
                    e.stopPropagation();
                    this.toggleSub(index);
                };
                list.appendChild(item);
            });

            // Auto-load first subtitle if enabled or newly switched
            // If activeSubIdx is -1 (Off) and there are subs, default to first
            // If activeSubIdx is set, try to re-activate it
            if (hasSubs) {
                if (this.activeSubIdx === undefined || this.activeSubIdx === -1) {
                    this.toggleSub(0);
                    list.querySelector('[data-sub="0"]')?.classList.add('active');
                } else {
                    this.toggleSub(this.activeSubIdx);
                    list.querySelector(`[data-sub="${this.activeSubIdx}"]`)?.classList.add('active');
                }
            } else {
                this.toggleSub(-1); // Ensure subtitles are off if none are available
                list.querySelector('[data-sub="-1"]')?.classList.add('active');
            }
        }
    }


    bindEvents() {
        const el = (s) => this.container.querySelector(s);

        // Play/Pause
        const toggle = () => this.togglePlay();
        const playBtnMain = el('#txa-play');
        if (playBtnMain) playBtnMain.onclick = toggle;

        // Prev/Next Navigation
        const prevBtn = el('#txa-prev');
        const nextBtn = el('#txa-next');
        if (prevBtn) prevBtn.onclick = (e) => {
            if (e) e.preventDefault();
            if (this.options.prevEpisodeUrl && typeof window.switchEpisodeSeamless === 'function') {
                window.switchEpisodeSeamless(this.options.prevEpisodeUrl);
            } else if (this.options.prevEpisodeUrl) {
                window.location.href = this.options.prevEpisodeUrl;
            }
        };
        if (nextBtn) nextBtn.onclick = (e) => {
            if (e) e.preventDefault();
            if (this.options.nextEpisodeUrl && typeof window.switchEpisodeSeamless === 'function') {
                window.switchEpisodeSeamless(this.options.nextEpisodeUrl);
            } else if (this.options.nextEpisodeUrl) {
                window.location.href = this.options.nextEpisodeUrl;
            }
        };
        if (this.video) this.video.onclick = toggle;

        const centerPlay = el('#txa-center-play');
        if (centerPlay) centerPlay.onclick = toggle;

        const zoneL = el('#txa-zone-l');
        if (zoneL) zoneL.onclick = (e) => {
            if (e.detail === 1) {
                this._clickTimer = setTimeout(() => toggle(), 250);
            } else if (e.detail > 1) {
                clearTimeout(this._clickTimer);
            }
        };

        const zoneR = el('#txa-zone-r');
        if (zoneR) zoneR.onclick = (e) => {
            if (e.detail === 1) {
                this._clickTimer = setTimeout(() => toggle(), 250);
            } else if (e.detail > 1) {
                clearTimeout(this._clickTimer);
            }
        };

        const replayBtnMain = el('#txa-replay-btn');
        if (replayBtnMain) replayBtnMain.onclick = () => {
            if (this.video) {
                this.video.currentTime = 0;
                this.video.play();
            }
            const replayDiv = el('#txa-replay');
            if (replayDiv) replayDiv.classList.remove('show');
        };

        this.video.addEventListener('play', () => {
            if (this.destroyed) return;
            const playBtn = el('#txa-play');
            if (playBtn) playBtn.innerHTML = '<i class="fas fa-pause"></i><div class="txa-tooltip">Pause (k)</div>';
            this.animateCenter('play');
            const replayBtn = el('#txa-replay');
            if (replayBtn) replayBtn.classList.remove('show');
            if (this.wrapper) this.wrapper.classList.add('video-playing');
            const cp = el('#txa-center-play');
            if (cp) cp.classList.remove('show');
            this.showUI(); // Auto hide after playing starts
        });

        this.video.addEventListener('pause', () => {
            if (this.destroyed) return;
            const playBtn = el('#txa-play');
            if (playBtn) playBtn.innerHTML = '<i class="fas fa-play"></i><div class="txa-tooltip">Play (k)</div>';
            this.animateCenter('pause');
            this.showUI(false); // Maintain UI while paused
            if (this.wrapper) this.wrapper.classList.remove('video-playing');
            const cp = el('#txa-center-play');
            if (cp) cp.classList.add('show');
        });

        // Video Error Handler
        this.video.addEventListener('error', () => {
            if (this.destroyed) return;

            const error = this.video.error;
            if (!error) return;

            // Report native video error to database
            this.reportErrorToServer('nativeVideoError', error.message || 'Lỗi phát video HTML5', { code: error.code });

            let errorMsg = 'Lỗi không xác định';
            let shouldRetry = false;

            switch (error.code) {
                case MediaError.MEDIA_ERR_ABORTED:
                    errorMsg = 'Phát video bị hủy';
                    break;
                case MediaError.MEDIA_ERR_NETWORK:
                    errorMsg = 'Lỗi mạng khi load video';
                    shouldRetry = true;
                    break;
                case MediaError.MEDIA_ERR_DECODE:
                    errorMsg = 'Lỗi giải mã video';
                    break;
                case MediaError.MEDIA_ERR_SRC_NOT_SUPPORTED:
                    errorMsg = 'Nguồn video không hỗ trợ';
                    break;
            }

            console.error('[TXAPlayer] Video error:', error.code, errorMsg);

            // Hide loader
            const loader = el('#txa-loader');
            if (loader) loader.classList.add('hidden');

            // Show error toast
            this.showToast(`❌ ${errorMsg}`);

            // Auto retry for network errors
            if (shouldRetry && !this._isRetryingVideo) {
                this._isRetryingVideo = true;
                setTimeout(() => {
                    if (!this.destroyed && this.options.videoUrl) {
                        console.log('[TXAPlayer] Retrying video load...');
                        this.showToast('🔄 Đang thử load lại video...');

                        // Reload video source
                        this.video.src = this.options.videoUrl;
                        this.video.load();

                        // Show loader again
                        if (loader) loader.classList.remove('hidden');

                        setTimeout(() => {
                            this._isRetryingVideo = false;
                        }, 2000);
                    }
                }, 1500);
            }
        });

        this.video.addEventListener('ended', () => {
            if (this.destroyed) return;
            if (this.wrapper) this.wrapper.classList.remove('video-playing');
            if (!this.video.loop) {
                // Check if auto-next is enabled and we have next episode
                if (this.settings.autoNextEpisode && this.options.nextEpisodeUrl && !this._isAutoNextTriggered) {
                    // Show countdown overlay
                    this._showAutoNextCountdown();
                } else {
                    // Show replay button only if auto-next is not active
                    const replayBtn = el('#txa-replay');
                    if (replayBtn) replayBtn.classList.add('show');
                    if (this.wrapper) this.wrapper.classList.add('active-ui');
                }
            }
        });

        this.video.ondurationchange = () => {
            if (this.destroyed) return;
            this.renderMarkers();
        };

        const pWrap = el('#txa-progress');
        let pendingSeekPct = -1;



        const updateScrubbingUI = (pos, isDragOrClick = false) => {
            const duration = this.video?.duration || 0;
            const targetTime = pos * duration;

            // Only update the actual progress bar and main time if we are DRAGGING or explicitly CLICKING
            if (isDragOrClick || this.isDragging) {
                const playedEl = el('#txa-played');
                if (playedEl) playedEl.style.width = (pos * 100) + '%';

                const timeEl = el('#txa-time');
                if (timeEl) timeEl.textContent = this.formatTimeDisplay(targetTime);

                pendingSeekPct = pos;
            }

            // Tooltip and Preview ALWAYS follow on hover
            const tip = el('#txa-hover-time');
            if (tip) {
                const needHours = duration >= 3600;
                tip.textContent = this.formatTime(targetTime, needHours);
                tip.style.left = (pos * 100) + '%';
            }

            this._updatePreviewThumb(pos);
        };

        const updateHoverTooltip = (e, isDragOrClick = false) => {
            if (!pWrap) return;
            const rect = pWrap.getBoundingClientRect();
            const pos = Math.max(0, Math.min(1, (e.clientX - rect.left) / rect.width));
            updateScrubbingUI(pos, isDragOrClick);
            return pos;
        };

        pWrap.onmousemove = (e) => {
            updateHoverTooltip(e, false); // Just hover tooltip
        };
        pWrap.onmousedown = (e) => {
            if (e.button !== 0) return; // Left click only
            this.isDragging = true;
            pWrap.classList.add('dragging');
            updateHoverTooltip(e, true);
        };

        // Desktop Long Press (2x Speed)
        let deskPressTimer = null;
        let isDeskLongPress = false;

        this.video.onmousedown = (e) => {
            if (this.detectMobile()) return;
            if (e.button !== 0) return; // Left click only

            deskPressTimer = setTimeout(() => {
                if (!this.video.paused) {
                    isDeskLongPress = true;
                    if (!this.originalSpeed) this.originalSpeed = this.video.playbackRate;
                    this.video.playbackRate = 2.0;

                    let speedOverlay = this.container.querySelector('.txa-speed-overlay');
                    if (!speedOverlay) {
                        speedOverlay = document.createElement('div');
                        speedOverlay.className = 'txa-speed-overlay';
                        speedOverlay.innerHTML = '<i class="fas fa-forward"></i> 2x Tốc độ';
                        this.container.appendChild(speedOverlay);
                    }
                    this.wrapper.classList.add('hide-controls');
                    setTimeout(() => speedOverlay.classList.add('show'), 10);
                }
            }, 500);
        };
        pWrap.onclick = (e) => {
            if (!this.isDragging) {
                const rect = pWrap.getBoundingClientRect();
                const pos = Math.max(0, Math.min(1, (e.clientX - rect.left) / rect.width));
                this.safeSeek(pos * this.video.duration);
            }
        };

        // Improved Mobile Touch Interaction
        const handleTouchProgress = (e) => {
            if (e.touches && e.touches[0]) {
                const rect = pWrap.getBoundingClientRect();
                const pos = Math.max(0, Math.min(1, (e.touches[0].clientX - rect.left) / rect.width));
                updateScrubbingUI(pos);
                // Show UI to prevent controls hiding while dragging
                this.wrapper.classList.add('active-ui');
                e.preventDefault(); // Stop browser back/scroll
                e.stopPropagation();
            }
        };

        pWrap.addEventListener('touchstart', (e) => {
            this.isDragging = true;
            pWrap.classList.add('dragging');
            handleTouchProgress(e);
        }, { passive: false });

        pWrap.addEventListener('touchmove', (e) => {
            if (this.isDragging) handleTouchProgress(e);
        }, { passive: false });

        const endTouchProgress = (e) => {
            if (this.isDragging) {
                this.isDragging = false;
                pWrap.classList.remove('dragging');
                if (pendingSeekPct !== -1) {
                    this.safeSeek(pendingSeekPct * this.video.duration);
                    pendingSeekPct = -1;
                }
            }
        };

        pWrap.addEventListener('touchend', endTouchProgress);
        pWrap.addEventListener('touchcancel', endTouchProgress);

        this._handlers.winMouseMove = (e) => {
            if (this.isDragging) {
                const rect = pWrap.getBoundingClientRect();
                const pos = Math.max(0, Math.min(1, (e.clientX - rect.left) / rect.width));
                updateScrubbingUI(pos);
            }
        };
        this._handlers.winMouseUp = () => {
            if (this.isDragging) {
                this.isDragging = false;
                pWrap.classList.remove('dragging');
                if (pendingSeekPct !== -1) {
                    this.safeSeek(pendingSeekPct * this.video.duration);
                    pendingSeekPct = -1;
                }
            }

            if (deskPressTimer) clearTimeout(deskPressTimer);
            if (isDeskLongPress) {
                isDeskLongPress = false;
                this.video.playbackRate = this.originalSpeed || 1.0;
                const speedOverlay = this.container.querySelector('.txa-speed-overlay');
                if (speedOverlay) speedOverlay.classList.remove('show');
                this.wrapper.classList.remove('hide-controls');
            }
        };

        window.addEventListener('mousemove', this._handlers.winMouseMove);
        window.addEventListener('mouseup', this._handlers.winMouseUp);

        this.video.addEventListener('timeupdate', () => {
            if (this.destroyed) return;
            this.updateProgress();
        });

        this.video.addEventListener('play', () => this.showUI());
        this.video.addEventListener('pause', () => this.showUI(false));
        this.video.addEventListener('playing', () => this.showUI());

        // v6.4.1 - Enhanced Mobile UI Handling
        if (this.detectMobile()) {
            // Remove redundant touchstart on video which might reset timer too often
            // Instead rely on handleMobileEvents wrapper listener

            // Listen for orientation/resize to update clock visibility immediately
            window.addEventListener('resize', () => this.updateClockVisibility());
            window.addEventListener('orientationchange', () => {
                setTimeout(() => this.updateClockVisibility(), 200);
            });
        }

        el('#txa-mute').onclick = () => { this.video.muted = !this.video.muted; this.updateVolUI(); this.saveSettings(); };
        const volSlider = el('#txa-vol');
        const volTooltip = el('#txa-vol-tooltip');

        const showVolTooltip = () => volTooltip?.classList.add('visible');
        const hideVolTooltip = () => { if (!this._isVolDragging) volTooltip?.classList.remove('visible'); };

        volSlider.oninput = (e) => {
            this.video.volume = e.target.value;
            this.video.muted = false;
            this.updateVolUI();
            showVolTooltip();
        };

        // v6.5.2 - Centralized volume/rate sync to always save state correctly
        this.video.addEventListener('volumechange', () => {
            this.updateVolUI();
            this.saveSettings();
        });

        this.video.addEventListener('ratechange', () => {
            this.saveSettings();
        });

        volSlider.onmousedown = () => { this._isVolDragging = true; showVolTooltip(); };
        volSlider.onmouseenter = showVolTooltip;
        volSlider.onmouseleave = hideVolTooltip;

        window.addEventListener('mouseup', () => {
            if (this._isVolDragging) {
                this._isVolDragging = false;
                hideVolTooltip();
            }
        });

        el('#txa-settings').onclick = (e) => { e.stopPropagation(); el('#txa-panel').classList.toggle('active'); this.navSettings('main'); };
        el('#txa-fs').onclick = () => this.toggleFS();
        el('#txa-pip').onclick = () => this.toggleNativePiP();

        // TXA PRO Toggles
        const autoSkipBtn = el('#txa-auto-skip');
        if (autoSkipBtn) autoSkipBtn.onclick = (e) => { e.stopPropagation(); this.toggleAutoSkipIntro(); };

        const autoNextBtn = el('#txa-auto-next');
        if (autoNextBtn) autoNextBtn.onclick = (e) => { e.stopPropagation(); this.toggleAutoNextEpisode(); };

        // DETECTION PIP/FS TO UPDATE UI
        this.video.onenterpictureinpicture = () => {
            const pipBtn = el('#txa-pip'); // Added null check
            if (pipBtn) pipBtn.innerHTML = '<i class="fas fa-window-restore"></i><div class="txa-tooltip">Exit Mini Player (p)</div>';
        };
        this.video.onleavepictureinpicture = () => {
            const pipBtn = el('#txa-pip'); // Added null check
            if (pipBtn) pipBtn.innerHTML = '<i class="fas fa-clone"></i><div class="txa-tooltip">Mini Player (p)</div>';
        };
        this._handlers.docFSChange = () => {
            const fsBtn = el('#txa-fs');
            if (document.fullscreenElement) {
                this.wrapper.classList.add('fullscreen-mode');
                if (fsBtn) fsBtn.innerHTML = '<i class="fas fa-compress"></i><div class="txa-tooltip">Exit Fullscreen (f)</div>';
            } else {
                this.wrapper.classList.remove('fullscreen-mode');
                if (fsBtn) fsBtn.innerHTML = '<i class="fas fa-expand"></i><div class="txa-tooltip">Fullscreen (f)</div>';
            }
            this.showUI(); // Trigger timer on FS change
            this.updateClockVisibility();
        };
        document.addEventListener('fullscreenchange', this._handlers.docFSChange);

        el('#txa-nc-cancel').onclick = (e) => {
            e.stopPropagation();

            // Clear countdown interval if exists
            if (this._autoNextCountdownInterval) {
                clearInterval(this._autoNextCountdownInterval);
                this._autoNextCountdownInterval = null;
            }

            this._isAutoNextTriggered = true; // Block auto-trigger for this episode
            el('#txa-next-countdown').classList.remove('show');
            if (this.wrapper) this.wrapper.classList.remove('has-countdown');
            this.showToast('Đã hủy tự động chuyển tập');

            // Change "Skip Outro" button text if next episode exists
            const skipOutro = this.container.querySelector('#txa-skip-outro');
            if (skipOutro && this.options.nextEpisodeUrl) {
                skipOutro.innerHTML = '<i class="fas fa-step-forward"></i> Tập Tiếp';
                skipOutro.style.display = 'block'; // Ensure it's visible now
            }
        };

        el('#txa-nc-next').onclick = (e) => {
            e.preventDefault();
            e.stopPropagation();

            // Clear countdown interval if exists
            if (this._autoNextCountdownInterval) {
                clearInterval(this._autoNextCountdownInterval);
                this._autoNextCountdownInterval = null;
            }

            this._isAutoNextTriggered = true;
            el('#txa-next-countdown').classList.remove('show');
            if (this.wrapper) this.wrapper.classList.remove('has-countdown');

            this._triggerAutoNext();
        };

        el('#txa-skip-intro').onclick = () => this.skipIntro();
        el('#txa-skip-outro').onclick = () => this.skipOutro();

        this.container.querySelectorAll('[data-goto]').forEach(i => i.onclick = (e) => { e.stopPropagation(); this.navSettings(i.dataset.goto); });
        this.container.querySelectorAll('[data-back]').forEach(i => i.onclick = (e) => { e.stopPropagation(); this.navSettings(i.dataset.back); });

        // Speed Menu Clicks
        this.container.querySelectorAll('[data-speed]').forEach(i => i.onclick = (e) => {
            e.stopPropagation();
            this.setSpeed(parseFloat(i.dataset.speed));
            this.container.querySelectorAll('[data-speed]').forEach(o => o.classList.remove('active'));
            i.classList.add('active');
        });

        // Ratio Menu Clicks
        this.container.querySelectorAll('[data-ratio]').forEach(i => i.onclick = (e) => {
            e.stopPropagation();
            this.setAspectRatio(i.dataset.ratio);
            this.container.querySelectorAll('[data-ratio]').forEach(o => o.classList.remove('active'));
            i.classList.add('active');
        });

        // Flip Menu Clicks
        this.container.querySelectorAll('[data-flip]').forEach(i => i.onclick = (e) => {
            e.stopPropagation();
            this.setVideoFlip(i.dataset.flip);
            this.container.querySelectorAll('[data-flip]').forEach(o => o.classList.remove('active'));
            i.classList.add('active');
        });

        // Subtitle Size Menu
        this.container.querySelectorAll('[data-subsize]').forEach(i => i.onclick = (e) => {
            e.stopPropagation();
            const cap = el('#txa-captions');
            if (cap) {
                cap.classList.remove('size-mini', 'size-small', 'size-medium', 'size-large', 'size-jumbo');
                cap.classList.add('size-' + i.dataset.subsize);
            }
            this.container.querySelectorAll('[data-subsize]').forEach(o => o.classList.remove('active'));
            i.classList.add('active');
            this.saveSettings();
        });

        // Subtitle Weight Menu
        this.container.querySelectorAll('[data-subweight]').forEach(i => i.onclick = (e) => {
            e.stopPropagation();
            const cap = el('#txa-captions');
            if (cap) {
                cap.classList.remove('weight-normal', 'weight-bold');
                cap.classList.add('weight-' + i.dataset.subweight);
            }
            this.container.querySelectorAll('[data-subweight]').forEach(o => o.classList.remove('active'));
            i.classList.add('active');
            this.saveSettings();
        });

        // Subtitle Background Menu
        this.container.querySelectorAll('[data-subbg]').forEach(i => i.onclick = (e) => {
            e.stopPropagation();
            const cap = el('#txa-captions');
            if (cap) {
                cap.classList.remove('bg-none', 'bg-dark', 'bg-light', 'bg-glass', 'bg-default');
                if (i.dataset.subbg !== 'default') cap.classList.add('bg-' + i.dataset.subbg);
            }
            this.container.querySelectorAll('[data-subbg]').forEach(o => o.classList.remove('active'));
            i.classList.add('active');
            this.saveSettings();
        });

        // Subtitle Color Menu
        this.container.querySelectorAll('[data-subcolor]').forEach(i => i.onclick = (e) => {
            e.stopPropagation();
            const cap = el('#txa-captions');
            if (cap) {
                cap.classList.remove('color-white', 'color-yellow', 'color-orange', 'color-red', 'color-green', 'color-cyan', 'color-pink', 'color-violet');
                cap.classList.add('color-' + i.dataset.subcolor);
            }
            this.container.querySelectorAll('[data-subcolor]').forEach(o => o.classList.remove('active'));
            i.classList.add('active');
            this.saveSettings();
        });

        // Subtitle Stroke Toggle
        const strokeToggle = el('#txa-substroke-toggle');
        const strokePanel = el('#txa-stroke-panel');
        if (strokeToggle) {
            strokeToggle.onchange = (e) => {
                const cap = el('#txa-captions');
                if (cap) {
                    if (e.target.checked) {
                        cap.classList.add('stroke-on');
                        strokePanel.classList.add('active');
                    } else {
                        cap.classList.remove('stroke-on');
                        strokePanel.classList.remove('active');
                    }
                }
                this.saveSettings();
            };
        }

        // Subtitle Stroke Color
        this.container.querySelectorAll('[data-substroke]').forEach(i => i.onclick = (e) => {
            e.stopPropagation();
            const cap = el('#txa-captions');
            if (cap) {
                cap.classList.remove('stroke-white', 'stroke-black', 'stroke-yellow', 'stroke-red', 'stroke-blue');
                cap.classList.add('stroke-' + i.dataset.substroke);
            }
            this.container.querySelectorAll('[data-substroke]').forEach(o => o.classList.remove('active'));
            i.classList.add('active');
            this.saveSettings();
        });

        // Real-time Clock Toggle v6.4.0
        const clockToggle = el('#txa-clock-toggle');
        if (clockToggle) {
            clockToggle.checked = this.settings.showRealTime;
            clockToggle.onchange = (e) => {
                this.settings.showRealTime = e.target.checked;
                this.updateClockVisibility();
                this.saveSettings();
            };
        }

        // Clock Format Selection
        this.container.querySelectorAll('[data-clock]').forEach(i => i.onclick = (e) => {
            e.stopPropagation();
            this.settings.clockFormat = i.dataset.clock;
            this.container.querySelectorAll('[data-clock]').forEach(o => o.classList.remove('active'));
            i.classList.add('active');
            const lbl = el('#txa-lbl-clock');
            if (lbl) lbl.textContent = this.settings.clockFormat;
            this.updateClock(); // Immediate update
            this.saveSettings();
        });

        // v6.4.5 - Robust Click/Touch Outside Logic for Panels
        this._handlers.docClick = (e) => {
            if (this.destroyed) return;

            const panel = el('#txa-panel');
            const settingsBtn = el('#txa-settings');
            const ctx = el('#txa-ctx');
            const stats = el('#txa-stats-panel');

            // 1. Settings Panel Click Outside
            if (panel && panel.classList.contains('active')) {
                // Check if target is NOT inside panel AND NOT inside settings button
                if (!panel.contains(e.target) && (!settingsBtn || !settingsBtn.contains(e.target))) {
                    panel.classList.remove('active');
                }
            }

            // 2. Context Menu Click Outside
            if (ctx && ctx.classList.contains('active')) {
                if (!ctx.contains(e.target)) ctx.classList.remove('active');
            }

            // 3. Stats Panel Click Outside
            if (stats && stats.classList.contains('active')) {
                if (!stats.contains(e.target) && !e.target.closest('#txa-ctx-stats')) {
                    this.toggleStatsPanel(); // Use clear cleanup logic
                }
            }
        };
        document.addEventListener('click', this._handlers.docClick);
        document.addEventListener('touchstart', this._handlers.docClick, { passive: true });


        this.wrapper.onmousemove = (e) => {
            if (this.detectMobile()) return; // Absolutely disable bottom hover for mobile

            const rect = this.wrapper.getBoundingClientRect();
            const y = e.clientY - rect.top;
            // Only show UI if cursor is in the bottom 30% or if video is paused (Desktop)
            if (y > rect.height * 0.7 || this.video.paused) {
                this.showUI();
            }
        };
        this.wrapper.onclick = (e) => {
            // Desktop click logic (Mobile handled in handleMobileEvents)
            if (!this.detectMobile()) {
                if (!e.target.closest('.txa-controls,.txa-panel,.txa-ctx,.txa-replay-overlay,.txa-loader,.txa-stats-panel,.txa-resume-overlay,.txa-next-countdown,.txa-skip-btn')) this.showUI();
            }
        };

        el('#txa-zone-l').ondblclick = () => this.seekAccumulated(-10);
        el('#txa-zone-r').ondblclick = () => this.seekAccumulated(10);

        // REMOVED: Scroll wheel volume control (user request)
        // this.wrapper.onwheel = (e) => { ... };

        el('#txa-cc').onclick = (e) => { e.stopPropagation(); this.toggleSubLoop(); };

        // SUBTITLE DRAGGING
        this.setupSubtitleDrag();

        // Initialize UI timer (Auto hide)
        this.showUI();
    }

    /**
     * Centralized UI visibility logic
     * @param {boolean} autoHide - Whether to start a timer to hide the UI
     */
    showUI(autoHide = true) {
        if (!this.wrapper || this.destroyed) return;
        this.wrapper.classList.add('active-ui');
        if (this.controls) this.controls.classList.add('visible');
        if (this._uiTimer) clearTimeout(this._uiTimer);

        // Always start timer if autoHide is requested
        if (autoHide && this.video) {
            const delay = this.detectMobile() ? 5000 : 3000;
            this._uiTimer = setTimeout(() => this.hideUI(), delay);
        }
    }

    hideUI() {
        if (!this.wrapper || this.destroyed) return;

        // Prevent hiding if video is paused
        if (!this.video || this.video.paused) return;

        // Prevent hiding if any interactable panel is open
        const el = (s) => this.container.querySelector(s);
        const panel = el('#txa-panel');
        const ctx = el('#txa-ctx');
        const stats = el('#txa-stats-panel');
        const shortcuts = document.querySelector('.txa-shortcuts-panel');

        if ((panel && panel.classList.contains('active')) ||
            (ctx && ctx.classList.contains('active')) ||
            (stats && stats.classList.contains('active')) ||
            (shortcuts)) {
            // Something is active, reset timer to try again later
            this.showUI();
            return;
        }

        this.wrapper.classList.remove('active-ui');
        if (this.controls) this.controls.classList.remove('visible');
    }

    setupSubtitleDrag() {
        const captions = this.container.querySelector('#txa-captions');
        if (!captions) return;

        // Load saved position & styles
        const saved = this.loadSettings();
        if (saved.captionBottom) captions.style.bottom = saved.captionBottom + 'px';

        // Fix: Use pixel positioning if available
        if (saved.captionLeft !== undefined && saved.captionLeft !== null) {
            if (saved.captionLeft <= 100 && saved.captionIsPercent) {
                captions.style.left = saved.captionLeft + '%';
                captions.style.transform = 'translateX(-50%)';
            } else {
                captions.style.left = saved.captionLeft + 'px';
                captions.style.transform = 'none';
            }
        }

        // Apply saved styles
        if (saved.subSize) {
            captions.classList.add('size-' + saved.subSize);
            this.container.querySelectorAll('[data-subsize]').forEach(i => {
                i.classList.toggle('active', i.dataset.subsize === saved.subSize);
            });
        }
        if (saved.subBg) {
            if (saved.subBg !== 'default') captions.classList.add('bg-' + saved.subBg);
            this.container.querySelectorAll('[data-subbg]').forEach(i => {
                i.classList.toggle('active', i.dataset.subbg === saved.subBg);
            });
        }
        if (saved.subColor) {
            if (saved.subColor !== 'white') captions.classList.add('color-' + saved.subColor);
            this.container.querySelectorAll('[data-subcolor]').forEach(i => {
                i.classList.toggle('active', i.dataset.subcolor === saved.subColor);
            });
        }

        let isDragging = false;
        let startX = 0, startY = 0;
        let startLeft = 0, startBottom = 0;

        captions.addEventListener('mousedown', (e) => {
            isDragging = true;
            captions.classList.add('dragging');
            startX = e.clientX;
            startY = e.clientY;
            const style = getComputedStyle(captions);
            startBottom = parseInt(style.bottom) || 110;
            const rect = captions.getBoundingClientRect();
            const pRect = this.wrapper.getBoundingClientRect();

            // Calculate current relative position (Pixels)
            startLeft = rect.left - pRect.left;
            startBottom = pRect.bottom - rect.bottom;

            // Prepare for pixel drag
            captions.style.left = startLeft + 'px';
            captions.style.bottom = startBottom + 'px';
            captions.style.transform = 'none';
            e.preventDefault();
        });

        this._handlers.dragMouseMove = (e) => {
            if (!isDragging) return;
            const rect = this.wrapper.getBoundingClientRect();

            // Vertical movement
            const deltaY = startY - e.clientY;
            const newBottom = Math.max(20, Math.min(rect.height - 80, startBottom + deltaY));
            captions.style.bottom = newBottom + 'px';

            // Horizontal movement
            const deltaX = e.clientX - startX;
            const newLeft = Math.max(0, Math.min(rect.width - captions.offsetWidth, startLeft + deltaX)); // Boundary check
            captions.style.left = newLeft + 'px';
            captions.style.transform = 'none';
        };

        this._handlers.dragMouseUp = () => {
            if (isDragging) {
                isDragging = false;
                captions.classList.remove('dragging');
                // Save position (Pixels)
                const cfg = this.loadSettings();
                cfg.captionBottom = parseInt(captions.style.bottom);
                cfg.captionLeft = parseFloat(captions.style.left);
                cfg.captionIsPercent = false;
                localStorage.setItem('txa-txa-cfg', JSON.stringify(cfg));
            }
        };

        window.addEventListener('mousemove', this._handlers.dragMouseMove);
        window.addEventListener('mouseup', this._handlers.dragMouseUp);
    }

    togglePlay() {
        this._isExplicitToggle = true;
        
        // v6.6.2 - Lazy setup on first interaction
        if (!this._mediaSetupDone) {
            const cp = this.container.querySelector('#txa-center-play');
            if (cp) cp.classList.remove('show');
            
            this.setupMedia();
            // We don't need to call play() here because setupMedia with autoPlay=true will do it,
            // or if it's the first click, we might want to force it.
            // Actually, setupMedia might take time to resolve.
            // Let's ensure it plays after setup.
            this.options.autoPlay = true; 
            return;
        }

        this.video.paused ? this.video.play().catch(() => { }) : this.video.pause();
        // Clear the flag after a short delay
        setTimeout(() => { this._isExplicitToggle = false; }, 500);
    }

    animateCenter(type) {
        // Only run animation if it was an explicit user toggle
        if (!this._isExplicitToggle) return;

        // Remove existing if any
        let c = this.container.querySelector('.txa-center-feedback');
        if (!c) {
            c = document.createElement('div');
            c.className = 'txa-center-feedback';
            this.container.appendChild(c);
        }

        c.innerHTML = type === 'play' ? '<i class="fas fa-play"></i>' : '<i class="fas fa-pause"></i>';

        // Reset classes
        c.classList.remove('animate', 'animate-out');
        void c.offsetWidth; // Trigger reflow

        c.classList.add('animate');

        setTimeout(() => {
            if (c) {
                c.classList.add('animate-out');
                setTimeout(() => {
                    c.classList.remove('animate', 'animate-out');
                }, 400);
            }
        }, 400);
        if (window.navigator.vibrate) window.navigator.vibrate(15);
    }

    showFeedback(type, value = null) {
        const fb = this.container.querySelector('#txa-feedback');
        if (!fb) return;

        fb.classList.remove('high-priority'); // Reset

        if (type === 'volume') {
            fb.innerHTML = `<i class="fas fa-volume-${this.video.muted || this.video.volume === 0 ? 'mute' : this.video.volume < 0.5 ? 'down' : 'up'}"></i><span>${Math.round(this.video.volume * 100)}%</span>`;
        } else if (type === 'seek') {
            fb.innerHTML = `<i class="fas fa-forward"></i><span>${value}</span>`;
        } else if (type === 'text') {
            fb.innerHTML = `<span>${value}</span>`;
        } else if (type === 'high') {
            fb.innerHTML = `<span>${value}</span>`;
            fb.classList.add('high-priority');
        }

        fb.classList.add('show');
        clearTimeout(this.feedbackTimer);

        const duration = type === 'high' ? 3000 : 800;
        this.feedbackTimer = setTimeout(() => fb.classList.remove('show'), duration);
    }

    reportErrorToServer(errorType, errorMessage, errorDetails = {}) {
        const payload = {
            movie_slug: this.options.movieSlug || null,
            movie_name: this.options.title || null,
            episode_name: this.options.episodeName || null,
            error_type: errorType,
            error_message: errorMessage || '',
            error_details: {
                ...errorDetails,
                video_url: this.options.videoUrl || '',
                server_name: this.options.serverName || '',
                settings: this.settings || {},
                txa_version: typeof TXA_VERSION !== 'undefined' ? TXA_VERSION : 'v1.0'
            },
            browser_token: localStorage.getItem('zalo_browser_token') || null
        };

        fetch('/api/player/report-error', {
            method: 'POST',
            headers: {
                'Content-Type': 'application/json'
            },
            body: JSON.stringify(payload)
        })
        .then(res => res.json())
        .then(data => {
            if (this.options.isAdmin) {
                console.log('[TXAPlayer] Error reported to server successfully:', data);
            }
        })
        .catch(err => {
            console.error('[TXAPlayer] Failed to report error to server:', err);
        });
    }

    _txaShowHlsError(msg, hlsData = null) {
        // Report HLS fatal error to database
        this.reportErrorToServer('hlsError', msg, hlsData);

        const loader = this.container?.querySelector('#txa-loader');
        if (!loader) return;

        loader.classList.remove('hidden');
        loader.style.pointerEvents = 'all';

        const spinner = loader.querySelector('.txa-spinner');
        const pctEl = loader.querySelector('#txa-load-pct');
        const barFill = loader.querySelector('#txa-load-bar-fill');
        const loadText = loader.querySelector('#txa-load-text');
        const speedEl = loader.querySelector('#txa-load-speed');

        if (spinner) { spinner.style.borderTopColor = '#f59e0b'; spinner.style.animationPlayState = 'paused'; }
        if (pctEl) { pctEl.textContent = '✕'; pctEl.style.color = '#f59e0b'; }
        if (barFill) { barFill.style.background = '#f59e0b'; barFill.style.width = '100%'; }
        if (speedEl) speedEl.textContent = '';
        if (loadText) {
            loadText.style.color = '#fde68a';
            loadText.innerHTML = `<i class="fas fa-exclamation-circle" style="color:#f59e0b; margin-right:6px;"></i>${msg}`;
        }

        if (hlsData && this.options.isAdmin) {
            console.error('[TXAPlayer] HLS Fatal:', hlsData.type, hlsData.details, hlsData.response);
        }

        if (!loader.querySelector('#txa-retry-btn')) {
            const retryBtn = document.createElement('button');
            retryBtn.id = 'txa-retry-btn';
            retryBtn.innerHTML = '<i class="fas fa-redo" style="margin-right:6px;"></i>Tải lại';
            retryBtn.style.cssText = `
                margin-top:14px; padding:8px 22px;
                background:#f59e0b; color:#000; border:none;
                border-radius:8px; cursor:pointer; font-size:13px; font-weight:700;
                pointer-events:all;
            `;
            retryBtn.onclick = () => window.location.reload();
            const content = loader.querySelector('.txa-loader-content');
            if (content) content.appendChild(retryBtn);
        }
    }

    setAspectRatio(ratio) {
        if (!this.video) return;
        this.video.classList.remove('ratio-4-3', 'ratio-16-9', 'ratio-stretch');
        if (ratio !== 'default') this.video.classList.add('ratio-' + ratio);

        const lbl = this.container.querySelector('#txa-lbl-ratio');
        if (lbl) lbl.textContent = ratio === 'default' ? 'Default' : ratio.replace('-', ':').toUpperCase();

        // Update menu status
        this.container.querySelectorAll('[data-ratio]').forEach(i => i.classList.toggle('active', i.dataset.ratio === ratio));

        this.showFeedback('text', 'Ratio: ' + (ratio === 'default' ? 'Default' : ratio));
        this.saveSettings();
    }

    setVideoFlip(flip) {
        if (!this.video) return;
        this.video.classList.remove('flip-h', 'flip-v', 'flip-both');
        if (flip !== 'normal') this.video.classList.add('flip-' + flip);

        const lbl = this.container.querySelector('#txa-lbl-flip');
        if (lbl) {
            const names = { normal: 'Normal', h: 'Horizontal', v: 'Vertical', both: 'Both' };
            lbl.textContent = names[flip] || 'Normal';
        }

        // Update menu status
        this.container.querySelectorAll('[data-flip]').forEach(i => i.classList.toggle('active', i.dataset.flip === flip));

        this.showFeedback('text', 'Flip: ' + flip);
        this.saveSettings();
    }

    seekAccumulated(sec) {
        this.seekAccumulator += sec;
        clearTimeout(this.seekDebounce);
        const badge = this.container.querySelector(this.seekAccumulator > 0 ? '#txa-badge-r' : '#txa-badge-l');
        const other = this.container.querySelector(this.seekAccumulator > 0 ? '#txa-badge-l' : '#txa-badge-r');
        if (other) other.classList.remove('show'); // Added null check
        if (badge) { // Added null check
            badge.querySelector('span').textContent = `${this.seekAccumulator > 0 ? '+' : ''}${this.seekAccumulator}s`;
            badge.classList.add('show');
        }
        this.seekDebounce = setTimeout(() => {
            this.safeSeek(this.video.currentTime + this.seekAccumulator);
            this.seekAccumulator = 0;
            if (badge) badge.classList.remove('show'); // Added null check
        }, 700);
    }

    updateVolUI() {
        const v = this.video.muted ? 0 : this.video.volume;
        const btn = this.container.querySelector('#txa-mute');
        const volInput = this.container.querySelector('#txa-vol');
        const volTooltip = this.container.querySelector('#txa-vol-tooltip');

        if (volInput) {
            volInput.value = v;
            const pct = v * 100;
            // Update the premium fill effect
            volInput.style.backgroundImage = `linear-gradient(to right, var(--txa-brand) ${pct}%, rgba(255,255,255,0.15) ${pct}%)`;

            if (volTooltip) {
                volTooltip.textContent = Math.round(pct) + '%';
                // Precise positioning follow thumb
                const sliderWidth = 115;
                const thumbWidth = 18;
                const btnWidth = 42;
                const usableWidth = sliderWidth - thumbWidth;
                // Offset calculation relative to volume container
                const leftOffset = btnWidth + 12 + (v * usableWidth) + (thumbWidth / 2);
                volTooltip.style.left = leftOffset + 'px';
            }
        }
        if (btn) {
            const icon = v === 0 ? 'mute' : v < 0.5 ? 'down' : 'up';
            btn.innerHTML = `<i class="fas fa-volume-${icon}"></i><div class="txa-tooltip">${v === 0 ? 'Unmute' : 'Mute'} (m)</div>`;
            if (v === 0) btn.style.opacity = '0.6';
            else btn.style.opacity = '1';
        }
    }

    formatTime(s, forceHours = false) {
        if (!s || isNaN(s)) return '00:00';
        const h = Math.floor(s / 3600);
        const m = Math.floor((s % 3600) / 60);
        const sec = Math.floor(s % 60);
        const pad = n => n < 10 ? '0' + n : n;
        // If duration >= 1 hour OR forceHours, show HH:MM:SS
        if (forceHours || h > 0) {
            return `${pad(h)}:${pad(m)}:${pad(sec)}`;
        }
        return `${pad(m)}:${pad(sec)}`;
    }

    /**
     * Safe seek - prevents "non-finite" errors when duration/time is NaN or Infinity
     */
    safeSeek(time) {
        if (!this.video) return;
        if (!isFinite(time) || isNaN(time)) return;
        const dur = this.video.duration;
        if (!isFinite(dur) || isNaN(dur) || dur <= 0) return;
        this.video.currentTime = Math.max(0, Math.min(dur, time));
    }

    formatTimeDisplay() {
        const current = this.video.currentTime || 0;
        const duration = this.video.duration || 0;
        return `${this.formatTime(current, duration >= 3600)} / ${this.formatTime(duration)}`;
    }

    async toggleFS() {
        try {
            const isFS = document.fullscreenElement || document.webkitFullscreenElement;
            if (isFS) {
                if (document.exitFullscreen) await document.exitFullscreen();
                else if (document.webkitExitFullscreen) await document.webkitExitFullscreen();
                if (screen.orientation && screen.orientation.unlock) {
                    try { await screen.orientation.unlock(); } catch (e) { }
                }
            } else {
                if (this.wrapper.requestFullscreen) await this.wrapper.requestFullscreen();
                else if (this.wrapper.webkitRequestFullscreen) await this.wrapper.webkitRequestFullscreen();
                else if (this.video.webkitEnterFullscreen) {
                    this.video.webkitEnterFullscreen();
                    return;
                }
                if (this.detectMobile() && screen.orientation && screen.orientation.lock) {
                    try { await screen.orientation.lock('landscape'); } catch (e) { }
                }
            }
        } catch (err) {
            console.error('FS Error:', err);
            if (this.video.webkitEnterFullscreen) this.video.webkitEnterFullscreen();
        }
    }

    skipIntro() {
        if (!this.options.isLoggedIn) return;
        const intro = this.options.markers.intro;
        if (intro) {
            this.safeSeek(intro[1]);
            this.showToast('🚀 Bỏ qua Intro');
        }
    }

    skipOutro() {
        if (!this.options.isLoggedIn) return;
        const outro = this.options.markers.outro;
        if (!outro) return;

        const effectiveOutroOut = (outro[1] > 0) ? outro[1] : this.video.duration;

        if (this.options.nextEpisodeUrl && Math.abs(effectiveOutroOut - this.video.duration) < 5) {
            if (this.options.onAutoNext) {
                this.options.onAutoNext(true);
            } else if (typeof window.switchEpisodeSeamless === 'function' && this.options.nextEpisodeUrl) {
                window.switchEpisodeSeamless(this.options.nextEpisodeUrl, true);
            } else {
                window.location.href = this.options.nextEpisodeUrl;
            }
            return;
        }

        if (effectiveOutroOut >= this.video.duration - 5) {
            this.video.pause();
            const replay = this.container.querySelector('#txa-replay');
            if (replay) replay.classList.add('show');
        } else {
            this.safeSeek(outro[1]);
            this.showToast('🚀 Bỏ qua Outro');
        }
    }

    toggleAutoSkipIntro() {
        this.settings.autoSkipIntro = !this.settings.autoSkipIntro;
        this.saveSettings();
        const text = this.settings.autoSkipIntro ? 'Auto Skip Intro: Bật' : 'Auto Skip Intro: Tắt';
        this.showToast('🚀 ' + text);
        this.updatePeSwitches();
    }

    toggleAutoNextEpisode() {
        this.settings.autoNextEpisode = !this.settings.autoNextEpisode;
        this.saveSettings();
        const text = this.settings.autoNextEpisode ? 'Auto Next: Bật' : 'Auto Next: Tắt';
        this.showToast('⏭️ ' + text);
        this.updatePeSwitches();
    }

    updatePeSwitches() {
        // Update Internal Toolbar Buttons
        const skipBtn = this.container ? this.container.querySelector('#txa-auto-skip') : null;
        if (skipBtn) {
            const isOn = this.settings.autoSkipIntro;
            skipBtn.classList.toggle('active', isOn);
            const statusEl = skipBtn.querySelector('.txa-btn-status');
            if (statusEl) statusEl.textContent = isOn ? 'ON' : 'OFF';
            const tooltipEl = skipBtn.querySelector('.txa-tooltip');
            if (tooltipEl) tooltipEl.textContent = `Tự động bỏ qua giới thiệu (${isOn ? 'Bật' : 'Tắt'})`;
        }

        const nextBtn = this.container ? this.container.querySelector('#txa-auto-next') : null;
        if (nextBtn) {
            const isOn = this.settings.autoNextEpisode;
            nextBtn.classList.toggle('active', isOn);
            const statusEl = nextBtn.querySelector('.txa-btn-status');
            if (statusEl) statusEl.textContent = isOn ? 'ON' : 'OFF';
            const tooltipEl = nextBtn.querySelector('.txa-tooltip');
            if (tooltipEl) tooltipEl.textContent = `Tự động chuyển tập (${isOn ? 'Bật' : 'Tắt'})`;
        }

        // Sync external UI if needed
        const extAutoSkip = document.querySelector('.pe-item.auto-skip-intro');
        if (extAutoSkip) {
            extAutoSkip.classList.toggle('active-pro', this.settings.autoSkipIntro);
            extAutoSkip.setAttribute('data-txa-tooltip', `Tự động bỏ qua Intro (${this.settings.autoSkipIntro ? 'BẬT' : 'TẮT'})`);
        }

        const extAutoNext = document.querySelector('.pe-item.auto-next');
        if (extAutoNext) {
            extAutoNext.classList.toggle('active-pro', this.settings.autoNextEpisode);
            extAutoNext.setAttribute('data-txa-tooltip', `Tự động chuyển tập (${this.settings.autoNextEpisode ? 'BẬT' : 'TẮT'})`);
        }
    }

    /**
     * Show auto-next countdown overlay when video ends (without outro markers)
     */
    _showAutoNextCountdown() {
        console.log('[TXAPlayer] _showAutoNextCountdown called', {
            autoNextEpisode: this.settings.autoNextEpisode,
            nextEpisodeUrl: this.options.nextEpisodeUrl,
            isAutoNextTriggered: this._isAutoNextTriggered
        });

        const overlay = this.container.querySelector('#txa-next-countdown');
        const timeEl = this.container.querySelector('#txa-nc-timer');
        const titleEl = this.container.querySelector('#txa-nc-title');
        const badgeEl = this.container.querySelector('#txa-nc-badge');

        if (!overlay) {
            console.warn('[TXAPlayer] Countdown overlay not found in DOM');
            return;
        }

        // Set title
        if (titleEl) titleEl.textContent = this.options.title || 'Tập tiếp theo';

        // Smart Badge: Try to detect next episode number
        if (badgeEl) {
            let nextNum = '--';
            try {
                const url = this.options.nextEpisodeUrl || '';
                const curName = this.options.episodeName || '';
                const matchUrl = url.match(/(tap|ep|episode)[\-_](\d+)/i) || url.match(/-(\d+)\.html/) || url.match(/-(\d+)$/);

                if (matchUrl) {
                    nextNum = matchUrl[matchUrl.length - 1];
                } else {
                    const matchCurr = curName.match(/(\d+)/);
                    if (matchCurr) {
                        const num = parseInt(matchCurr[1]) + 1;
                        nextNum = (matchCurr[1].startsWith('0') && num < 10) ? '0' + num : num;
                    }
                }
            } catch (e) { }
            badgeEl.innerHTML = `<span>Tập</span>${nextNum}`;
        }

        // Show overlay
        overlay.classList.add('show');
        if (this.wrapper) this.wrapper.classList.add('has-countdown');

        // Start countdown
        let countdown = 5;
        if (timeEl) {
            timeEl.textContent = `Bắt đầu sau 0${countdown}s`;
        }

        const countdownInterval = setInterval(() => {
            countdown--;
            if (countdown <= 0) {
                clearInterval(countdownInterval);
                overlay.classList.remove('show');
                if (this.wrapper) this.wrapper.classList.remove('has-countdown');

                // Trigger auto-next
                this._isAutoNextTriggered = true;
                this._triggerAutoNext();
            } else {
                if (timeEl) {
                    timeEl.textContent = `Bắt đầu sau 0${countdown}s`;
                }
            }
        }, 1000);

        // Store interval ID to clear if needed
        this._autoNextCountdownInterval = countdownInterval;
    }

    /**
     * Trigger auto-next episode switch
     */
    _triggerAutoNext() {
        // Always prefer window.switchEpisodeSeamless if available (for seamless SPA experience)
        if (typeof window.switchEpisodeSeamless === 'function' && this.options.nextEpisodeUrl) {
            console.log('[TXAPlayer] Using switchEpisodeSeamless for auto-next');
            window.switchEpisodeSeamless(this.options.nextEpisodeUrl, true);
        } else if (this.options.onAutoNext) {
            this.options.onAutoNext(true);
        } else if (window.loadEpisode && typeof window.loadEpisode === 'function') {
            window.loadEpisode(this.options.nextEpisodeUrl);
        } else if (this.options.nextEpisodeUrl) {
            console.warn('[TXAPlayer] No seamless switch available, falling back to page reload');
            window.location.href = this.options.nextEpisodeUrl;
        }
    }

    checkMarkers() {
        if (!this.options.isLoggedIn || !this.options.markers) return;
        const ct = this.video.currentTime;
        const dur = this.video.duration;
        const { intro, outro } = this.options.markers;

        // Player Internal Buttons
        const skipIntro = this.container.querySelector('#txa-skip-intro');
        const skipOutro = this.container.querySelector('#txa-skip-outro');

        // External Buttons (for TPhimX Tools)
        const extIntro = document.querySelector('.skip-intro-btn');
        const extOutro = document.querySelector('.skip-outro-btn');

        // Initial UI sync for external switches
        if (!this._peSwitchesInited) {
            this.updatePeSwitches();
            this._peSwitchesInited = true;
        }

        // Skip Intro logic
        if (intro && ct >= intro[0] && ct <= intro[1]) {
            if (skipIntro) skipIntro.style.display = 'block';
            if (extIntro) extIntro.classList.remove('d-none');

            if (this.settings.autoSkipIntro && ct < intro[1]) {
                this.safeSeek(intro[1]);
                this.showToast('🚀 Đã tự động bỏ qua Intro');
            }
        } else {
            if (skipIntro) skipIntro.style.display = 'none';
            if (extIntro) extIntro.classList.add('d-none');
        }

        // Skip Outro / Next Episode logic
        // STRICT CHECK: Only trigger if Outro is VALID (Start > 0) per user request
        const isValidOutro = outro && (outro[1] > outro[0] || (outro[0] > 0 && (outro[1] === 0 || !outro[1]))) && outro[0] > 0;
        const effectiveOutroOut = isValidOutro ? (outro[1] > 0 ? outro[1] : dur) : 0;

        if (isValidOutro && ct >= outro[0] && ct <= effectiveOutroOut) {
            if (skipOutro) {
                skipOutro.style.display = 'block';
                // If we are very close to end, change text
                if (this.options.nextEpisodeUrl && Math.abs(dur - ct) < 15) {
                    skipOutro.innerHTML = '<i class="fas fa-step-forward"></i> Tập Tiếp';
                }
            }
            if (extOutro) extOutro.classList.remove('d-none');

            // Auto Next Countdown & Logic
            // Only runs if Auto Next is enabled AND we have a valid Outro
            if (this.settings.autoNextEpisode && this.options.nextEpisodeUrl && !this._isAutoNextTriggered) {
                const triggerWait = 5; // 5s countdown
                const overlay = this.container.querySelector('#txa-next-countdown');
                const timeEl = this.container.querySelector('#txa-nc-timer');
                const titleEl = this.container.querySelector('#txa-nc-title');
                const badgeEl = this.container.querySelector('#txa-nc-badge');

                // Show Overlay
                if (overlay && !overlay.classList.contains('show')) {
                    if (titleEl) titleEl.textContent = this.options.title || 'Tập tiếp theo';

                    // Smart Badge: Try to detect next episode number
                    if (badgeEl) {
                        let nextNum = '--';
                        try {
                            const url = this.options.nextEpisodeUrl || '';
                            const curName = this.options.episodeName || '';
                            const matchUrl = url.match(/(tap|ep|episode)[\-_](\d+)/i) || url.match(/-(\d+)\.html/) || url.match(/-(\d+)$/);

                            if (matchUrl) {
                                nextNum = matchUrl[matchUrl.length - 1];
                            } else {
                                const matchCurr = curName.match(/(\d+)/);
                                if (matchCurr) {
                                    const num = parseInt(matchCurr[1]) + 1;
                                    nextNum = (matchCurr[1].startsWith('0') && num < 10) ? '0' + num : num;
                                }
                            }
                        } catch (e) { }
                        badgeEl.innerHTML = `<span>Tập</span>${nextNum}`;
                    }

                    overlay.classList.add('show');
                    this.wrapper.classList.add('has-countdown');
                    if (skipOutro) skipOutro.style.display = 'none';
                }

                // Calculate Countdown
                const elapsedInOutro = ct - outro[0];
                const remain = Math.max(0, triggerWait - Math.floor(elapsedInOutro));

                if (timeEl) {
                    const fmt = (remain < 10 ? '0' + remain : remain) + 's';
                    timeEl.textContent = `Bắt đầu sau ${fmt}`;
                }

                // Trigger Next
                if (elapsedInOutro >= triggerWait) {
                    this._isAutoNextTriggered = true;
                    if (overlay) overlay.classList.remove('show');
                    this.wrapper.classList.remove('has-countdown');

                    this._triggerAutoNext();
                }
            }
        } else {
            // Not in Outro / Invalid Outro
            if (skipOutro) skipOutro.style.display = 'none';
            if (extOutro) extOutro.classList.add('d-none');

            // Clean up if we sought out of outro
            const overlay = this.container.querySelector('#txa-next-countdown');
            if (overlay && overlay.classList.contains('show')) {
                overlay.classList.remove('show');
                this.wrapper.classList.remove('has-countdown');
            }
        }
    }

    setupShortcuts() {
        this._handlers.winKeyDown = (e) => {
            if (this.destroyed) return;
            if (['INPUT', 'TEXTAREA'].includes(e.target.tagName)) return;
            const k = e.key.toLowerCase();

            // Prevent scrolling for arrow keys if player is in focus or just generally
            if ([' ', 'k', 'f', 'm', 'p', 'arrowup', 'arrowdown', 'arrowleft', 'arrowright'].includes(k)) {
                // Only prevent default if it's a player key
            }

            switch (k) {
                case ' ': case 'k': e.preventDefault(); this.togglePlay(); break;
                case 'f': this.toggleFS(); break;
                case 'm': this.video.muted = !this.video.muted; this.updateVolUI(); this.showFeedback('volume'); this.saveSettings(); break;
                case 'p': this.toggleNativePiP(); break;
                case 'j': case 'arrowleft': this.seekAccumulated(-10); break;
                case 'l': case 'arrowright': this.seekAccumulated(10); break;
                case 'arrowup': e.preventDefault(); this.video.volume = Math.min(1, this.video.volume + 0.05); this.updateVolUI(); this.showFeedback('volume'); this.saveSettings(); break;
                case 'arrowdown': e.preventDefault(); this.video.volume = Math.max(0, this.video.volume - 0.05); this.updateVolUI(); this.showFeedback('volume'); this.saveSettings(); break;
                case 'c': this.toggleSubLoop(); break;
                case 'i': this.skipIntro(); break;
                case 'o': this.skipOutro(); break;
                case 't': this.toggleTheaterMode(); break; // v5.8.0 - Theater Mode
                case 'a': this.toggleCinemaMode(); break; // v5.8.0 - Ambient Light
                case 'escape': {
                    const el = (s) => this.container.querySelector(s);

                    // 1. Close dynamic shortcuts panel
                    const sc = document.querySelector('.txa-shortcuts-panel');
                    if (sc) sc.remove();

                    // 2. Toggle off Stats Panel if active
                    const stats = el('#txa-stats-panel');
                    if (stats && stats.classList.contains('active')) this.toggleStatsPanel();

                    // 3. Hide Settings Panel
                    const settings = el('#txa-panel');
                    if (settings && settings.classList.contains('active')) settings.classList.remove('active');

                    // 4. Hide Context Menu
                    const ctx = el('#txa-ctx');
                    if (ctx && ctx.classList.contains('active')) ctx.classList.remove('active');

                    // 5. Hide Resume Overlay
                    const resume = el('#txa-resume');
                    if (resume && resume.classList.contains('show')) {
                        resume.classList.remove('show');
                        this.resumeShown = true;
                    }

                    // 6. Cancel Next Episode Countdown
                    const next = el('#txa-next-countdown');
                    if (next && next.classList.contains('show')) {
                        next.classList.remove('show');
                        this._isAutoNextTriggered = true;
                    }

                    // 7. Exit Theater Mode
                    if (this.isTheaterMode) this.toggleTheaterMode();

                    break;
                }
                case '/': {
                    if (e.shiftKey) {
                        e.preventDefault();
                        this.showShortcuts();
                    } else {
                        // Search Shortcut Focus
                        e.preventDefault();
                        setTimeout(() => {
                            const searchInput = document.querySelector('input[name="keyword"]') ||
                                document.querySelector('#search-keyword') ||
                                document.querySelector('.search-input');
                            if (searchInput) {
                                searchInput.focus();
                                searchInput.select();
                            }
                        }, 50);
                    }
                    break;
                }
                default:
                    if (k >= '0' && k <= '9') {
                        const pct = parseInt(k) * 10;
                        const t = (pct / 100) * this.video.duration;
                        this.safeSeek(t);
                        this.showFeedback('seek', `${pct}% (${this.formatTime(t)})`);
                    }
            }
        };
        window.addEventListener('keydown', this._handlers.winKeyDown);
    }

    // initSubtitles merged with version above to avoid duplication logic bugs


    async toggleSub(idx) {
        const lbl = this.container.querySelector('#txa-lbl-subs');
        const btn = this.container.querySelector('#txa-cc');
        const subs = this.options.subtitles;

        // Clear previous subtitles immediately to avoid "stuck" captions while loading
        this.currentSubCues = [];
        this.renderSubtitles();

        if (idx === -1) {
            if (lbl) lbl.textContent = 'Off'; // Added null check
            this.activeSubIdx = -1;
            if (btn) btn.classList.remove('cc-active'); // Added null check
            this.showFeedback('text', 'Subtitles: Off');
        } else {
            const sub = subs && subs[idx];
            if (!sub) {
                if (lbl) lbl.textContent = 'Off';
                this.activeSubIdx = -1;
                if (btn) btn.classList.remove('cc-active');
                return;
            }
            if (lbl) lbl.textContent = sub.label || sub.lang; // Added null check
            this.activeSubIdx = idx;
            if (btn) btn.classList.add('cc-active'); // Added null check
            this.showFeedback('text', `Subtitles: ${sub.label || sub.lang}`);

            let txt = sub.content || '';
            if (sub.file) {
                try {
                    txt = await (await fetch(sub.file)).text();
                } catch (e) {
                    console.error('Subtitle fetch failed:', e);
                    this.showToast('Lỗi tải phụ đề');
                }
            }

            this.currentSubCues = this.parseVTT(txt);
            // Re-render immediately so the correct subtitle shows up at current time
            this.renderSubtitles();
        }
        this.navSettings('main');

        // Update active class in menu list
        const list = this.container.querySelector('#txa-list-subs');
        if (list) {
            list.querySelectorAll('.txa-menu-item').forEach(o => o.classList.remove('active'));
            list.querySelector(`[data-sub="${idx}"]`)?.classList.add('active');
        }
    }

    toggleSubLoop() {
        if (this.currentSubCues.length > 0) this.toggleSub(-1);
        else if (this.options.subtitles?.length > 0) this.toggleSub(0);
    }

    renderSubtitles() {
        const box = this.container.querySelector('#txa-captions');
        if (!box) return; // Added null check
        if (!this.currentSubCues.length) { box.innerHTML = ''; return; }
        const ct = this.video.currentTime;
        const cue = this.currentSubCues.find(c => ct >= c.start && ct <= c.end);
        box.innerHTML = cue ? `<div class="txa-cue">${cue.text}</div>` : '';
    }

    parseVTT(content) {
        if (!content) return [];
        const cues = [];
        // Clean up content: Remove WEBVTT header and metadata
        let processed = content.replace(/^WEBVTT.*\r?\n/i, '');
        // Convert SRT commas to dots for universal parsing
        processed = processed.replace(/(\d+:\d+:\d+),(\d+)/g, '$1.$2');

        const lines = processed.split(/\r?\n/);
        let start = null, end = null, text = [];

        const parseTime = (t) => {
            t = t.trim().replace(/[\[\]]/g, '');
            const p = t.split(':');
            if (p.length === 3) {
                // HH:MM:SS.mmm or MM:SS.mmm
                const hours = parseInt(p[0]) || 0;
                const minutes = parseInt(p[1]) || 0;
                const seconds = parseFloat(p[2].replace(',', '.')) || 0;
                return hours * 3600 + minutes * 60 + seconds;
            } else if (p.length === 2) {
                const minutes = parseInt(p[0]) || 0;
                const seconds = parseFloat(p[1].replace(',', '.')) || 0;
                return minutes * 60 + seconds;
            }
            return parseFloat(t) || 0;
        };

        lines.forEach(line => {
            const l = line.trim();
            if (l.includes('-->')) {
                // Time range line
                if (start !== null && text.length > 0) {
                    cues.push({ start, end: end || start + 5, text: text.join('<br>') });
                    text = [];
                }
                const p = l.split('-->');
                start = parseTime(p[0]);
                end = parseTime(p[1]);
            } else if (l === '') {
                // Separator
                if (start !== null && text.length > 0) {
                    cues.push({ start, end: end || start + 5, text: text.join('<br>') });
                    start = null; end = null; text = [];
                }
            } else if (/^\d+$/.test(l)) {
                // Index line (SRT) - ignore
            } else if (l !== '') {
                // Text line
                if (start !== null) text.push(l);
            }
        });

        // Push last cue
        if (start !== null && text.length > 0) {
            cues.push({ start, end: end || start + 5, text: text.join('<br>') });
        }

        return cues;
    }

    navSettings(view) {
        const p = this.container.querySelector('#txa-panel');
        if (!p) return; // Added null check
        p.querySelectorAll('[id^="txa-view-"]').forEach(d => d.classList.add('txa-hidden'));
        const target = p.querySelector(`#txa-view-${view}`);
        if (target) target.classList.remove('txa-hidden');
    }

    setSpeed(rate) {
        this.video.playbackRate = rate;
        const speedLabel = this.container.querySelector('#txa-lbl-speed'); // Added null check
        if (speedLabel) speedLabel.textContent = rate === 1 ? 'Normal' : rate + 'x'; // Added null check
        this.navSettings('main');
        this.saveSettings();
    }

    setupContextMenu() {
        const el = (s) => this.container.querySelector(s);
        const ctx = el('#txa-ctx');
        if (!ctx) return;

        if (this.detectMobile()) {
            this.wrapper.oncontextmenu = (e) => {
                if (this.destroyed) return;
                e.preventDefault();
                return false;
            };
            return;
        }

        this.wrapper.oncontextmenu = (e) => {
            if (this.destroyed) return;
            e.preventDefault();
            const r = this.wrapper.getBoundingClientRect();
            // Collision detection
            let left = e.clientX - r.left;
            let top = e.clientY - r.top;

            // If menu goes off right edge
            if (left + 250 > r.width) left = r.width - 250;
            // If menu goes off bottom edge
            if (top + 280 > r.height) top = r.height - 280;

            ctx.style.left = Math.max(10, left) + 'px';
            ctx.style.top = Math.max(10, top) + 'px';
            ctx.classList.add('active');
        };
        // Redundant ctxClick removed - now handled by docClick in bindEvents()
        /*
        this._handlers.ctxClick = (e) => {
            if (this.destroyed) return;
            if (ctx && !ctx.contains(e.target)) ctx.classList.remove('active');
        };
        document.addEventListener('click', this._handlers.ctxClick);
        */

        // Ensure these el() calls find elements correctly
        const bindCtx = (id, fn) => {
            const item = el(id);
            if (item) item.onclick = () => {
                if (ctx) ctx.classList.remove('active');
                fn();
            };
        };

        bindCtx('#txa-ctx-snap', () => this.takeSnapshot());
        bindCtx('#txa-ctx-url', () => { navigator.clipboard.writeText(location.href); this.showToast('URL Copied!'); });
        bindCtx('#txa-ctx-loop', () => {
            this.video.loop = !this.video.loop;
            const state = this.video.loop ? 'On' : 'Off';
            const loopStat = el('#txa-loop-stat'); // Added null check
            if (loopStat) loopStat.textContent = state; // Added null check
            this.showFeedback('text', `Loop Mode: ${state}`);
        });
        bindCtx('#txa-ctx-stats', () => this.toggleStatsPanel());
        bindCtx('#txa-ctx-sc', () => this.showShortcuts());

        // Auto Toggle Handlers
        const introSw = el('#txa-sw-intro');
        if (introSw) {
            introSw.onchange = (e) => {
                this.settings.autoSkipIntro = e.target.checked;
                this.saveSettings();
                this.showToast(`Auto Skip Intro: ${e.target.checked ? 'ON' : 'OFF'}`);
            };
        }
        const nextSw = el('#txa-sw-next');
        if (nextSw) {
            nextSw.onchange = (e) => {
                this.settings.autoNextEpisode = e.target.checked;
                this.saveSettings();
                this.showToast(`Auto Next: ${e.target.checked ? 'ON' : 'OFF'}`);
            };
        }
    }

    showToast(msg) {
        const t = document.createElement('div');
        t.className = 'txa-feedback show';
        t.innerHTML = `<span>${msg}</span>`;
        if (this.container) this.container.appendChild(t); // Added null check
        setTimeout(() => t.remove(), 2500);
    }
    showShortcuts() {
        // Removed redundant pointer check that might fail on some Windows desktops


        const o = document.createElement('div');
        o.className = 'txa-shortcuts-panel active';
        o.id = 'txa-sc-panel';

        const css = `
            .txa-shortcuts-panel {
                background: rgba(0, 0, 0, 0.75); backdrop-filter: blur(25px);
                z-index: 10000;
                display: flex; align-items: center; justify-content: center;
                opacity: 0; animation: txafadeIn 0.3s forwards;
            }
            .txa-shortcuts-content {
                width: 900px; max-width: 90%;
                background: #0d0d0d; border: 1px solid rgba(255,255,255,0.1);
                border-radius: 24px; padding: 40px;
                position: relative; box-shadow: 0 30px 60px rgba(0,0,0,0.8);
            }
            .txa-shortcuts-header {
                display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 40px;
            }
            .txa-sc-title h3 { margin: 0; font-size: 28px; font-weight: 900; color: #fff; letter-spacing: -1px; }
            .txa-sc-title p { margin: 8px 0 0; font-size: 14px; color: #64748b; font-weight: 500; }
            .txa-sc-close {
                width: 44px; height: 44px; border-radius: 14px; border: none;
                background: rgba(255,255,255,0.05); color: #fff; cursor: pointer;
                transition: 0.3s; display: flex; align-items: center; justify-content: center;
            }
            .txa-sc-close:hover { background: #ef4444; transform: rotate(90deg); }
            
            .txa-sc-grid {
                display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px;
            }
            
            .txa-sc-column {
                display: flex; flex-direction: column; gap: 15px;
            }
            
            .txa-sc-group-label {
                font-size: 11px; text-transform: uppercase; letter-spacing: 2px; 
                color: var(--txa-brand, #8b5cf6); font-weight: 800; opacity: 0.8;
                padding-bottom: 10px; border-bottom: 1px solid rgba(255,255,255,0.05);
            }
            
            .txa-sc-item {
                display: flex; justify-content: space-between; align-items: center;
                padding: 12px 16px; background: rgba(255,255,255,0.02);
                border-radius: 12px; border: 1px solid transparent; transition: 0.2s;
            }
            .txa-sc-item:hover { background: rgba(255,255,255,0.05); border-color: rgba(255,255,255,0.1); }
            
            .txa-sc-name { color: #cbd5e1; font-size: 14px; font-weight: 500; }
            .txa-sc-keys { display: flex; gap: 6px; }
            
            kbd {
                background: #1a1a1a; border: 1px solid #333; border-bottom-width: 3px;
                color: #fff; border-radius: 6px; padding: 4px 8px;
                font-family: inherit; font-size: 11px; font-weight: 700;
                min-width: 20px; text-align: center;
            }
            .txa-sc-footer {
                margin-top: 40px; padding: 20px; border-radius: 16px;
                background: linear-gradient(to right, rgba(139,92,246,0.1), transparent);
                border: 1px solid rgba(139,92,246,0.2); display: flex; align-items: center; gap: 15px;
            }
            .txa-sc-footer i { font-size: 20px; color: #8b5cf6; }
            .txa-sc-footer p { margin: 0; font-size: 13px; color: #94a3b8; line-height: 1.5; }
        `;

        o.innerHTML = `
            <style>${css}</style>
            <div class="txa-shortcuts-content" onclick="event.stopPropagation()">
                <div class="txa-shortcuts-header">
                    <div class="txa-sc-title">
                        <h3>PHÍM TẮT</h3>
                        <p>Trải nghiệm điều khiển điện ảnh với TPhimX Player</p>
                    </div>
                    <button class="txa-sc-close"><i class="fas fa-times"></i></button>
                </div>

                <div class="txa-sc-grid">
                    <div class="txa-sc-column">
                        <span class="txa-sc-group-label">ĐiềU KHIỂN CHÍNH</span>
                        <div class="txa-sc-item"><span class="txa-sc-name">Phát / Dừng</span><div class="txa-sc-keys"><kbd>Space</kbd></div></div>
                        <div class="txa-sc-item"><span class="txa-sc-name">Tua lại 10s</span><div class="txa-sc-keys"><kbd>J</kbd> / <kbd>←</kbd></div></div>
                        <div class="txa-sc-item"><span class="txa-sc-name">Tua tiếp 10s</span><div class="txa-sc-keys"><kbd>L</kbd> / <kbd>→</kbd></div></div>
                        <div class="txa-sc-item"><span class="txa-sc-name">Nhảy nhanh</span><div class="txa-sc-keys"><kbd>0-9</kbd></div></div>
                    </div>
                    
                    <div class="txa-sc-column">
                        <span class="txa-sc-group-label">ÂM THANH & SUB</span>
                        <div class="txa-sc-item"><span class="txa-sc-name">Tăng âm lượng</span><div class="txa-sc-keys"><kbd>↑</kbd></div></div>
                        <div class="txa-sc-item"><span class="txa-sc-name">Giảm âm lượng</span><div class="txa-sc-keys"><kbd>↓</kbd></div></div>
                        <div class="txa-sc-item"><span class="txa-sc-name">Tắt tiếng</span><div class="txa-sc-keys"><kbd>M</kbd></div></div>
                        <div class="txa-sc-item"><span class="txa-sc-name">Đổi phụ đề</span><div class="txa-sc-keys"><kbd>C</kbd></div></div>
                    </div>
                    
                    <div class="txa-sc-column">
                        <span class="txa-sc-group-label">GIAO DIỆN</span>
                        <div class="txa-sc-item"><span class="txa-sc-name">Toàn màn hình</span><div class="txa-sc-keys"><kbd>F</kbd></div></div>
                        <div class="txa-sc-item"><span class="txa-sc-name">Thu nhỏ (PiP)</span><div class="txa-sc-keys"><kbd>P</kbd></div></div>
                        <div class="txa-sc-item"><span class="txa-sc-name">Rạp chiếu phim</span><div class="txa-sc-keys"><kbd>T</kbd></div></div>
                        <div class="txa-sc-item"><span class="txa-sc-name">Đóng Menu</span><div class="txa-sc-keys"><kbd>Esc</kbd></div></div>
                    </div>
                </div>

                <div class="txa-sc-footer">
                    <i class="fas fa-keyboard"></i>
                    <p>Mẹo: Nhấn đúp vào hai bên màn hình để tua nhanh trên điện thoại. <br>Hệ thống phím tắt chỉ hỗ trợ khi trình duyệt đang ở trạng thái tập trung.</p>
                </div>
            </div>
        `;

        const closeBtn = o.querySelector('.txa-sc-close');
        if (closeBtn) {
            closeBtn.onclick = (e) => { e.stopPropagation(); o.remove(); };
        }

        o.onclick = (e) => { o.remove(); };
        if (this.wrapper) this.wrapper.appendChild(o);
    }

    loadInitialSettings() {
        const el = (s) => this.container.querySelector(s);
        if (this.settings.volume !== undefined) {
            this.video.volume = this.settings.volume;
            this.video.muted = this.settings.muted || false;
            this.updateVolUI();
        }
        if (this.settings.playbackRate) {
            this.setSpeed(this.settings.playbackRate);
        }

        // v6.5.2 - Load Aspect Ratio & Flip
        if (this.settings.aspectRatio) {
            this.setAspectRatio(this.settings.aspectRatio);
        }
        if (this.settings.videoFlip) {
            this.setVideoFlip(this.settings.videoFlip);
        }

        if (this.settings.loop !== undefined) {
            this.video.loop = this.settings.loop;
            const loopStat = this.container.querySelector('#txa-loop-stat');
            if (loopStat) loopStat.textContent = this.video.loop ? 'On' : 'Off';
        }
        if (this.settings.activeSubIdx !== undefined && this.settings.activeSubIdx !== -1) {
            setTimeout(() => this.toggleSub(this.settings.activeSubIdx), 500);
        }
        const cap = el('#txa-captions');
        const s = this.settings;
        if (cap && s.subStyle) {
            if (s.subStyle.size) {
                cap.classList.add('size-' + s.subStyle.size);
                this.container.querySelectorAll('[data-subsize]').forEach(o => {
                    o.classList.toggle('active', o.dataset.subsize === s.subStyle.size);
                });
            }
            if (s.subStyle.weight) {
                cap.classList.add('weight-' + s.subStyle.weight);
                this.container.querySelectorAll('[data-subweight]').forEach(o => {
                    o.classList.toggle('active', o.dataset.subweight === s.subStyle.weight);
                });
            }
            if (s.subStyle.bg) {
                if (s.subStyle.bg !== 'default') cap.classList.add('bg-' + s.subStyle.bg);
                this.container.querySelectorAll('[data-subbg]').forEach(o => {
                    o.classList.toggle('active', o.dataset.subbg === s.subStyle.bg);
                });
            }
            if (s.subStyle.color) {
                cap.classList.add('color-' + s.subStyle.color);
                this.container.querySelectorAll('[data-subcolor]').forEach(o => {
                    o.classList.toggle('active', o.dataset.subcolor === s.subStyle.color);
                });
            }
            if (s.subStyle.stroke) {
                cap.classList.add('stroke-on');
                const strokeToggle = el('#txa-substroke-toggle');
                if (strokeToggle) strokeToggle.checked = true;
                const strokePanel = el('#txa-stroke-panel');
                if (strokePanel) strokePanel.classList.add('active');
            }
            if (s.subStyle.strokeColor) {
                cap.classList.add('stroke-' + s.subStyle.strokeColor);
                this.container.querySelectorAll('[data-substroke]').forEach(o => {
                    if (o.dataset.substroke === s.subStyle.strokeColor) o.classList.add('active');
                    else o.classList.remove('active');
                });
            }
        }

        // v6.4.0 - Real-time clock initial state
        const clockToggle = el('#txa-clock-toggle');
        if (clockToggle) clockToggle.checked = this.settings.showRealTime;

        if (this.settings.clockFormat) {
            const lbl = el('#txa-lbl-clock');
            if (lbl) lbl.textContent = this.settings.clockFormat;
            this.container.querySelectorAll('[data-clock]').forEach(o => {
                o.classList.toggle('active', o.dataset.clock === this.settings.clockFormat);
            });
        }
        this.updateClockVisibility();

        // v6.1.0 - Sync external switches
        this.updatePeSwitches();
    }
    loadSettings() {
        const key = 'txa-p-conf';
        let saved = localStorage.getItem(key);
        if (!saved) {
            // Migration for old keys
            const oldKeys = ['txa-txa-cfg', 'txa_player_settings', 'txa-player-v4-settings'];
            for (const ok of oldKeys) {
                const oldData = localStorage.getItem(ok);
                if (oldData) {
                    localStorage.setItem(key, oldData);
                    // Cleanup old keys
                    oldKeys.forEach(k => localStorage.removeItem(k));
                    localStorage.removeItem('txa_player_state');
                    return JSON.parse(oldData);
                }
            }
            return {};
        }
        try { return JSON.parse(saved) || {}; } catch { return {}; }
    }
    saveSettings() {
        if (!this.video || this.destroyed) return;
        const el = (s) => this.container.querySelector(s);
        const cap = el('#txa-captions');
        const strokeToggle = el('#txa-substroke-toggle');

        // Extract Aspect Ratio and Flip from classList
        const aspectRatio = Array.from(this.video.classList).find(c => c.startsWith('ratio-'))?.replace('ratio-', '') || 'default';
        const videoFlip = Array.from(this.video.classList).find(c => c.startsWith('flip-'))?.replace('flip-', '') || 'normal';

        const cfg = {
            volume: this.video.volume,
            muted: this.video.muted,
            playbackRate: this.video.playbackRate,
            loop: this.video.loop,
            activeSubIdx: this.activeSubIdx,
            aspectRatio: aspectRatio,
            videoFlip: videoFlip,
            subStyle: cap ? {
                size: Array.from(cap.classList).find(c => c.startsWith('size-'))?.replace('size-', ''),
                weight: Array.from(cap.classList).find(c => c.startsWith('weight-'))?.replace('weight-', ''),
                bg: Array.from(cap.classList).find(c => c.startsWith('bg-'))?.replace('bg-', '') || 'default',
                color: Array.from(cap.classList).find(c => c.startsWith('color-'))?.replace('color-', ''),
                stroke: strokeToggle ? strokeToggle.checked : false,
                strokeColor: Array.from(cap.classList).find(c => c.startsWith('stroke-'))?.replace('stroke-', '')
            } : {},
            captionBottom: cap ? parseInt(cap.style.bottom) : 110,
            captionLeft: (cap && cap.style.left) ? parseFloat(cap.style.left) : undefined,
            autoSkipIntro: this.settings.autoSkipIntro,
            autoNextEpisode: this.settings.autoNextEpisode,
            brightness: this.options.brightness || 1,
            showRealTime: this.settings.showRealTime,
            clockFormat: this.settings.clockFormat
        };
        localStorage.setItem('txa-p-conf', JSON.stringify(cfg));

        // v6.0.0 - Sync to Cloud if saveSettingsUrl is provided
        if (this.options.saveSettingsUrl && this.options.csrfToken) {
            fetch(this.options.saveSettingsUrl, {
                method: 'POST',
                headers: {
                    'Content-Type': 'application/json',
                    'X-CSRF-TOKEN': this.options.csrfToken
                },
                body: JSON.stringify({ settings: cfg })
            }).catch(e => console.warn('[TXAPlayer] Settings sync failed:', e));
        }
    }

    takeSnapshot() {
        try {
            const c = document.createElement('canvas');
            c.width = this.video.videoWidth;
            c.height = this.video.videoHeight;
            const ctx = c.getContext('2d');

            // Draw video frame
            ctx.drawImage(this.video, 0, 0);

            const watermark = `TPHIMX Player - ${TXA_VERSION} `;
            const fontSize = Math.max(18, c.height * 0.03);
            ctx.font = `bold ${fontSize}px Inter, sans - serif`;
            ctx.fillStyle = 'rgba(255, 255, 255, 0.6)';
            ctx.textAlign = 'right';
            ctx.textBaseline = 'bottom';
            ctx.shadowColor = 'rgba(0, 0, 0, 0.7)';
            ctx.shadowBlur = 6;
            ctx.fillText(watermark, c.width - 25, c.height - 20);

            const a = document.createElement('a');
            a.download = `tphimx - snapshot - ${Date.now()}.png`;
            a.href = c.toDataURL('image/png', 1.0);
            a.click();
            this.showToast('Snapshot 4K Captured!');
        } catch (e) {
            console.error('TXAPlayer Snapshot Error:', e);
            if (e.name === 'SecurityError') {
                this.showToast('Lỗi bảo mật: Không thể chụp ảnh từ máy chủ này (CORS)');
            } else {
                this.showToast('Không thể chụp ảnh màn hình lúc này');
            }
        }
    }

    toggleView(v) {
        if (v === 'shortcuts') this.showShortcuts();
        if (v === 'stats') this.toggleStatsPanel();
    }

    toggleStatsPanel() {
        const panel = this.container.querySelector('#txa-stats-panel');
        if (!panel) return;

        if (panel.classList.contains('active')) {
            panel.classList.remove('active');
            if (this._statsInterval) { clearInterval(this._statsInterval); this._statsInterval = null; }
            return;
        }

        panel.classList.add('active');
        this.updateStatsPanel();

        // Update every 1s
        this._statsInterval = setInterval(() => {
            if (this.destroyed || !panel.classList.contains('active')) {
                clearInterval(this._statsInterval);
                this._statsInterval = null;
                return;
            }
            this.updateStatsPanel();
        }, 1000);

        // Close button
        const closeBtn = this.container.querySelector('#txa-stats-close');
        if (closeBtn) closeBtn.onclick = () => this.toggleStatsPanel();
    }

    updateStatsPanel() {
        const grid = this.container.querySelector('#txa-stats-grid');
        if (!grid || !this.video) return;
        const v = this.video;
        const fmt = window.txaformat;

        // Gather stats
        const resolution = `${v.videoWidth || '?'}×${v.videoHeight || '?'} `;
        const currentTime = this.formatTime(v.currentTime);
        const duration = this.formatTime(v.duration);
        const ahead = (v.buffered && v.buffered.length > 0) ? (v.buffered.end(v.buffered.length - 1) - v.currentTime) : 0;

        // Fast DOM Update
        const html = `
            < div class="txa-stat-item" ><div class="txa-stat-label">Resolution</div><div class="txa-stat-value brand">${resolution}</div></div >
            <div class="txa-stat-item"><div class="txa-stat-label">Speed</div><div class="txa-stat-value">${v.playbackRate}x</div></div>
            <div class="txa-stat-item full"><div class="txa-stat-label">Progress</div><div class="txa-stat-value">${currentTime} / ${duration}</div></div>
            <div class="txa-stat-item"><div class="txa-stat-label">Buffer</div><div class="txa-stat-value ${ahead > 10 ? 'green' : ahead > 3 ? 'yellow' : 'red'}">${ahead.toFixed(1)}s ahead</div></div>
            <div class="txa-stat-item"><div class="txa-stat-label">Volume</div><div class="txa-stat-value">${v.muted ? 'Muted' : Math.round(v.volume * 100) + '%'}</div></div>
            <div class="txa-stat-item full"><div class="txa-stat-label">Player</div><div class="txa-stat-value brand">TXAPlayer ${TXA_VERSION}</div></div>
        `;

        if (this._lastStatsHTML !== html) {
            grid.innerHTML = html;
            this._lastStatsHTML = html;
        }
    }
    toggleNativePiP() { document.pictureInPictureElement ? document.exitPictureInPicture() : this.video.requestPictureInPicture(); }

    destroy() {
        this.destroyed = true;

        if (this._devCheck) clearInterval(this._devCheck);
        if (this._statsInterval) clearInterval(this._statsInterval);
        if (this._autoNextCountdownInterval) clearInterval(this._autoNextCountdownInterval);

        // Stop playback & Cleanup Video
        if (this.video) {
            try {
                this.video.ontimeupdate = null; // Unbind immediately
                this.video.pause();
                this.video.src = "";
                this.video.load();
                this.video.remove();
            } catch (e) { }
        }

        // Destroy dashjs
        if (this.dashPlayer) {
            try { this.dashPlayer.destroy(); } catch (e) { }
            this.dashPlayer = null;
        }

        // Destroy Hls
        if (this.hls) {
            try { this.hls.destroy(); } catch (e) { }
            this.hls = null;
        }

        // Remove global listeners
        if (this._handlers) {
            if (this._handlers.winMouseMove) window.removeEventListener('mousemove', this._handlers.winMouseMove);
            if (this._handlers.winMouseUp) window.removeEventListener('mouseup', this._handlers.winMouseUp);
            if (this._handlers.winKeyDown) window.removeEventListener('keydown', this._handlers.winKeyDown);
            if (this._handlers.docClick) document.removeEventListener('click', this._handlers.docClick);
            if (this._handlers.docFSChange) document.removeEventListener('fullscreenchange', this._handlers.docFSChange);
            if (this._handlers.dragMouseMove) window.removeEventListener('mousemove', this._handlers.dragMouseMove);
            if (this._handlers.dragMouseUp) window.removeEventListener('mouseup', this._handlers.dragMouseUp);
            if (this._handlers.ctxClick) document.removeEventListener('click', this._handlers.ctxClick);
            if (this._handlers.theaterEscape) window.removeEventListener('keydown', this._handlers.theaterEscape); // v5.8.0
        }

        if (this.feedbackTimer) clearTimeout(this.feedbackTimer);
        if (this.seekDebounce) clearTimeout(this.seekDebounce);
        if (this._clickTimer) clearTimeout(this._clickTimer);
        if (this._progressSaveInterval) clearInterval(this._progressSaveInterval); // v5.8.0 - Clear progress save interval

        // v5.8.0 - Stop ambient light animation
        this.stopAmbientLight();

        // v5.8.0 - Save final progress
        this.saveWatchProgress();

        // Clear UI
        if (this.container) this.container.innerHTML = "";

        console.log("TXAPlayer: Destroyed instance");
    }

    detectDevTools() {
        // Commented out as requested for development
        /*
        if (this.options.isAdmin) return;
        if (this.detectMobile()) return; 

        const threshold = 160;
        this._devCheck = setInterval(() => {
            if (this.destroyed) return;

            const start = performance.now();
            debugger;
            const end = performance.now();

            if (end - start > threshold) {
                this.tamperAlert(true);
            } else {
                this.tamperAlert(false);
            }
        }, 2000); 
        */
    }

    tamperAlert(isBlocked) {
        const overlay = this.container.querySelector('#txa-tamper');
        if (!overlay || this.isTamperPermanent) return;

        if (isBlocked) {
            // Once detected, it becomes permanent
            this.isTamperPermanent = true;
            overlay.classList.remove('txa-hidden');

            console.warn('[TXA] Tamper detected! Locking player.');

            // Aggressively stop video
            if (this.video) {
                try {
                    this.video.pause();
                    this.video.muted = true;
                    this.video.removeAttribute('src'); // Remove src attr
                    this.video.load();
                } catch (e) { }
            }

            if (this.hls) {
                try {
                    this.hls.stopLoad();
                    this.hls.detachMedia();
                    this.hls.destroy();
                } catch (e) { }
                this.hls = null;
            }

            if (this.dashPlayer) {
                try {
                    this.dashPlayer.reset();
                    this.dashPlayer.destroy();
                } catch (e) { }
                this.dashPlayer = null;
            }

            // Disable interaction
            if (this.wrapper) {
                this.wrapper.style.pointerEvents = 'none';
                // Remove the opacity 0.1 to keep it "sang lên"
                this.wrapper.style.filter = 'grayscale(1) brightness(0.5)';
            }
            overlay.style.pointerEvents = 'all'; // Allow clicking reload button
            overlay.style.opacity = '1';
            overlay.classList.remove('txa-hidden');

        } else {
            // Safe state
            overlay.classList.add('txa-hidden');
            if (this.wrapper) {
                this.wrapper.style.pointerEvents = '';
                this.wrapper.style.filter = '';
            }
        }
    }

    // ============================================================
    // v5.8.0 NEW FEATURES
    // ============================================================

    /**
     * Theater Mode - Expand player to full screen overlay (not browser fullscreen)
     */
    toggleTheaterMode() {
        this.isTheaterMode = !this.isTheaterMode;
        const btn = this.container.querySelector('#txa-theater');

        if (this.isTheaterMode) {
            this.wrapper.classList.add('theater-mode');
            document.body.classList.add('theater-mode-active');
            if (btn) btn.classList.add('mode-active');
            this.showFeedback('text', 'Theater Mode: On');
        } else {
            this.wrapper.classList.remove('theater-mode');
            document.body.classList.remove('theater-mode-active');
            if (btn) btn.classList.remove('mode-active');
            this.showFeedback('text', 'Theater Mode: Off');
        }
    }

    /**
     * Cinema Mode - Ambient light effect that extracts colors from video
     */
    toggleCinemaMode() {
        this.isCinemaMode = !this.isCinemaMode;
        const btn = this.container.querySelector('#txa-cinema');

        if (this.isCinemaMode) {
            this.wrapper.classList.add('cinema-mode');
            this.container.classList.add('cinema-active');
            if (btn) btn.classList.add('mode-active');
            this.startAmbientLight();
            this.showFeedback('text', 'Ánh sáng: Bật');
        } else {
            this.wrapper.classList.remove('cinema-mode');
            this.container.classList.remove('cinema-active');
            if (btn) btn.classList.remove('mode-active');
            this.stopAmbientLight();
            this.showFeedback('text', 'Ánh sáng: Tắt');
        }
    }

    startAmbientLight() {
        const canvas = this.container.querySelector('#txa-ambient');
        if (!canvas) return;

        const ctx = canvas.getContext('2d');
        canvas.width = 32; // Low resolution for blur effect
        canvas.height = 18;

        this._ambientFrame = () => {
            if (!this.isCinemaMode || this.destroyed) return;
            if (this.video && !this.video.paused && this.video.readyState >= 2) {
                try {
                    ctx.drawImage(this.video, 0, 0, canvas.width, canvas.height);
                } catch (e) {
                    // Cross-origin video might fail, just ignore
                }
            }
            requestAnimationFrame(this._ambientFrame);
        };
        requestAnimationFrame(this._ambientFrame);
    }

    stopAmbientLight() {
        this._ambientFrame = null;
    }

    /**
     * Speed Preview - Long press to fast forward at 2x speed
     */
    startSpeedPreview() {
        if (this.isSpeedPreview) return;
        this.isSpeedPreview = true;
        this.originalSpeed = this.video.playbackRate;
        this.video.playbackRate = 2;

        const indicator = this.container.querySelector('#txa-speed-indicator');
        if (indicator) indicator.classList.add('show');
        if (this.wrapper) this.wrapper.classList.add('hide-controls');

        // Play if paused
        if (this.video.paused) {
            this._wasPausedBeforePreview = true;
            this.video.play().catch(() => { });
        }
    }

    stopSpeedPreview() {
        if (!this.isSpeedPreview) return;
        this.isSpeedPreview = false;
        this.video.playbackRate = this.originalSpeed || 1;

        const indicator = this.container.querySelector('#txa-speed-indicator');
        if (indicator) indicator.classList.remove('show');
        if (this.wrapper) this.wrapper.classList.remove('hide-controls');

        // Pause if was paused before
        if (this._wasPausedBeforePreview) {
            this.video.pause();
            this._wasPausedBeforePreview = false;
        }
    }

    /**
     * Watch Progress Resume - Save and restore watch position
     */
    getVideoId() {
        // Generate unique ID based on movie ID and episode info for stability
        const base = this.options.movieId || this.options.title || 'unknown';
        const ep = this.options.episodeSlug || this.options.episodeName || 'single';
        return 'txa-progress-' + this.hashCode(base + '-' + ep);
    }

    hashCode(str) {
        let hash = 0;
        for (let i = 0; i < str.length; i++) {
            const char = str.charCodeAt(i);
            hash = ((hash << 5) - hash) + char;
            hash = hash & hash;
        }
        return Math.abs(hash).toString(36);
    }

    saveWatchProgress(useApi = false) {
        if (!this.video || this.video.duration < 10) return;

        const ct = this.video.currentTime;
        const dur = this.video.duration;
        const opt = this.options;

        // 1. App LocalStorage Sync (ContinueWatching)
        if (window.ContinueWatching && opt.movieSlug) {
            window.ContinueWatching.save(
                opt.movieSlug,
                opt.title.split(' - ')[0], // Assume Title is "Movie - Episode"
                opt.movieThumb,
                opt.episodeSlug,
                opt.title.split(' - ')[1]?.replace('Tập ', '') || '1',
                ct,
                dur,
                opt.epCount || 1
            );
        }

        // 2. App API Sync (Database)
        if (useApi && opt.saveUrl) {
            fetch(opt.saveUrl, {
                method: 'POST',
                headers: {
                    'Content-Type': 'application/json',
                    ...(opt.csrfToken ? { 'X-CSRF-TOKEN': opt.csrfToken } : {})
                },
                body: JSON.stringify({
                    movieSlug: opt.movieSlug,
                    movieName: opt.title?.split(' - ')[0],
                    movieThumb: opt.movieThumb,
                    episodeName: opt.episodeName,
                    currentTime: ct,
                    duration: dur,
                    // Legacy support
                    movie_id: opt.movieId,
                    episode_id: opt.episodeId,
                    current_time: ct
                })
            }).catch(e => console.warn('Player: Progress sync failed', e));
        }

        // 3. Player Internal Backup (Fallback)
        if (ct > 10 && ct < dur - 30) {
            localStorage.setItem(this.getVideoId(), JSON.stringify({
                time: ct,
                duration: dur,
                timestamp: Date.now()
            }));
        }
    }

    async checkWatchResume() {
        if (this.resumeShown) return;
        const opt = this.options;
        let resumeTime = 0;
        let duration = 0;

        // Try API first (Best source of truth)
        if (opt.restoreUrl && opt.movieId) {
            try {
                const res = await fetch(opt.restoreUrl);
                const data = await res.json();

                if (data && data.current_time > 10) {
                    // Check if same episode (ID or Name/Slug match for multi-server)
                    // Relaxed Match: If restoreUrl is specific, we trust the data
                    const epIdMatch = (data.episode_id == opt.episodeId);

                    // Normalize "Tập 01" -> "1", "01" -> "1"
                    const norm = (s) => (s || '').toString().toLowerCase().replace('tập ', '').replace(/^0+/, '').trim();

                    const epNameMatch = norm(data.episode_name) === norm(opt.episodeName);
                    // Slug match is usually safer but relies on consistent slugs
                    const slugMatch = (data.episode_slug && opt.episodeSlug && data.episode_slug === opt.episodeSlug);

                    if (epIdMatch || epNameMatch || slugMatch || opt.restoreUrl.includes(opt.episodeId)) {
                        resumeTime = data.current_time;
                        duration = data.duration || 0;
                    }
                }
            } catch (e) { console.warn('Player: Restore API failed', e); }
        }

        // Fallback to Player's internal LocalStorage
        if (!resumeTime) {
            const saved = localStorage.getItem(this.getVideoId());
            if (saved) {
                try {
                    const data = JSON.parse(saved);
                    // Check if valid timestamp (within 30 days)
                    if (Date.now() - data.timestamp < 30 * 24 * 60 * 60 * 1000) {
                        resumeTime = data.time;
                        duration = data.duration;
                    }
                } catch (e) { }
            }
        }

        if (resumeTime > 15) {
            this.resumeShown = true;
            const timeStr = this.formatTime(resumeTime, duration >= 3600);

            // MOBILE: Use SweetAlert2 (Premium & Out-of-player)
            // Ensure Swal is available, otherwise fallback to standard overlay
            if (this.detectMobile() && typeof Swal !== 'undefined') {
                Swal.fire({
                    title: 'Tiếp tục xem?',
                    text: `Hệ thống ghi nhận bạn đã xem đến ${timeStr}. Bạn có muốn tiếp tục từ đây không ? `,
                    icon: 'question',
                    showCancelButton: true,
                    confirmButtonText: 'Có, tiếp tục',
                    cancelButtonText: 'Xem từ đầu',
                    background: '#141414',
                    color: '#fff',
                    confirmButtonColor: '#8b5cf6',
                    cancelButtonColor: '#334155',
                    heightAuto: false,
                    backdrop: `rgba(0, 0, 0, 0.6)`,
                    allowOutsideClick: false // Prevent accidental close
                }).then((result) => {
                    if (result.isConfirmed) {
                        this.safeSeek(resumeTime);
                        this.video.play().catch(() => { });
                        this.showFeedback('text', `Đã tiếp tục từ ${timeStr} `);
                    } else if (result.dismiss === Swal.DismissReason.cancel) {
                        localStorage.removeItem(this.getVideoId());
                        // Don't auto play if cancelled, let user decide
                    }
                });
                return;
            }

            // DESKTOP or Mobile-Fallback: Classic Overlay
            const overlay = this.container.querySelector('#txa-resume');
            const timeEl = this.container.querySelector('#txa-resume-time');

            if (overlay && timeEl) {
                timeEl.textContent = timeStr;

                // Ensure overlay is visible
                overlay.style.display = 'flex';
                // Trigger animation
                requestAnimationFrame(() => {
                    overlay.classList.add('show');
                });

                // Auto-hide after 30s if no interaction (increased from 15s)
                const autoHideTimer = setTimeout(() => {
                    if (overlay.classList.contains('show')) {
                        overlay.classList.remove('show');
                        setTimeout(() => overlay.style.display = 'none', 500);
                    }
                }, 30000);

                const handleYes = (e) => {
                    if (e) e.stopPropagation();
                    clearTimeout(autoHideTimer);
                    this.safeSeek(resumeTime);
                    overlay.classList.remove('show');
                    setTimeout(() => overlay.style.display = 'none', 500);
                    this.video.play().catch(() => { });
                    this.showFeedback('text', `Đã tiếp tục từ ${timeStr} `);
                };

                const handleNo = (e) => {
                    if (e) e.stopPropagation();
                    clearTimeout(autoHideTimer);
                    overlay.classList.remove('show');
                    setTimeout(() => overlay.style.display = 'none', 500);
                    localStorage.removeItem(this.getVideoId());
                };

                const yesBtn = overlay.querySelector('#txa-resume-yes');
                const noBtn = overlay.querySelector('#txa-resume-no');

                if (yesBtn) {
                    yesBtn.onclick = handleYes;
                    yesBtn.ontouchstart = (e) => { e.preventDefault(); handleYes(e); };
                }
                if (noBtn) {
                    noBtn.onclick = handleNo;
                    noBtn.ontouchstart = (e) => { e.preventDefault(); handleNo(e); };
                }
            }
        }
    }

    /**
     * Double-tap Ripple Effect - Visual feedback for double-tap seek
     */
    createRipple(x, y) {
        const ripple = document.createElement('div');
        ripple.className = 'txa-ripple';
        ripple.style.left = (x - 50) + 'px';
        ripple.style.top = (y - 50) + 'px';
        this.wrapper.appendChild(ripple);

        // Remove after animation
        setTimeout(() => ripple.remove(), 600);
    }

    /**
     * Setup new feature event bindings
     */
    setupNewFeatures() {

        const el = (s) => this.container.querySelector(s);

        // Theater Mode Button
        const theaterBtn = el('#txa-theater');
        if (theaterBtn) {
            theaterBtn.onclick = () => this.toggleTheaterMode();
        }

        // Cinema Mode Button
        const cinemaBtn = el('#txa-cinema');
        if (cinemaBtn) {
            cinemaBtn.onclick = () => this.toggleCinemaMode();
        }

        // Speed Preview - Long press on video
        let speedTimeout = null;
        const startSpeed = () => {
            speedTimeout = setTimeout(() => {
                this.startSpeedPreview();
            }, 500);
        };
        const endSpeed = () => {
            clearTimeout(speedTimeout);
            this.stopSpeedPreview();
        };

        if (this.detectMobile()) {
            this.video.addEventListener('mousedown', startSpeed);
            this.video.addEventListener('mouseup', endSpeed);
            this.video.addEventListener('mouseleave', endSpeed);
        }

        // Touch support for Speed Preview
        this.video.addEventListener('touchstart', startSpeed, { passive: true });
        this.video.addEventListener('touchend', endSpeed);
        this.video.addEventListener('touchcancel', endSpeed);

        // Watch Resume - Check on video ready
        this.video.addEventListener('loadedmetadata', () => {
            this.checkWatchResume();
        });

        // Save progress periodically (LocalStorage: 10s, API: 30s)
        let lastApiSave = Date.now();
        this._progressSaveInterval = setInterval(() => {
            if (!this.destroyed && this.video && !this.video.paused) {
                const now = Date.now();
                const useApi = (now - lastApiSave) >= 30000;
                this.saveWatchProgress(useApi);
                if (useApi) lastApiSave = now;
            }
        }, 10000);

        // Save on pause and before unload
        this.video.addEventListener('pause', () => this.saveWatchProgress(true));
        window.addEventListener('beforeunload', () => this.saveWatchProgress(true));

        // Ripple effect on double-tap zones
        const addRippleToZone = (zone, seekFn) => {
            if (!zone) return;
            zone.addEventListener('dblclick', (e) => {
                const rect = this.wrapper.getBoundingClientRect();
                this.createRipple(e.clientX - rect.left, e.clientY - rect.top);
            });
        };

        addRippleToZone(el('#txa-zone-l'));
        addRippleToZone(el('#txa-zone-r'));

        // Escape key to exit Theater Mode
        this._handlers.theaterEscape = (e) => {
            if (e.key === 'Escape' && this.isTheaterMode) {
                this.toggleTheaterMode();
            }
        };
        window.addEventListener('keydown', this._handlers.theaterEscape);

        // v6.3.0 - Screen Width Warning (<100px)
        const checkWidth = () => {
            if (window.innerWidth < 100 && !window._txa_too_small) {
                window._txa_too_small = true;
                // Hide header/nav via CSS first just in case document.write is blocked or delayed
                const header = document.querySelector('.header');
                if (header) header.style.display = 'none';

                document.open();
                document.write(`
            < html >
                    <head>
                        <title>TPhimX - Màn hình quá nhỏ</title>
                        <style>
                            body { background:#0a0a0a; color:#fff; display:flex; align-items:center; justify-content:center; height:100vh; margin:0; font-family:'Outfit', sans-serif; text-align:center; padding:20px; }
                            .box { background:rgba(255,255,255,0.03); border:1px solid rgba(255,255,255,0.1); border-radius:24px; padding:30px; backdrop-filter:blur(20px); max-width:400px; box-shadow:0 20px 50px rgba(0,0,0,0.5); }
                            h1 { color:#ef4444; font-size:20px; font-weight:900; margin-bottom:15px; }
                            p { opacity:0.7; font-size:14px; line-height:1.6; }
                            .logo { font-size:24px; font-weight:800; margin-bottom:20px; }
                            .logo .t { color:#8b5cf6; }
                            .logo .phim { color:#fff; }
                            .logo .x { color:#ef4444; }
                        </style>
                    </head>
                    <body>
                        <div class="box">
                            <div class="logo"><span class="t">T</span><span class="phim">PHIM</span><span class="x">X</span></div>
                            <h1>MÀN HÌNH QUÁ NHỎ</h1>
                            <p>Vui lòng phóng to trình duyệt hoặc xoay ngang điện thoại để có trải nghiệm xem phim tốt nhất tại TPhimX.</p>
                        </div>
                        <script>
                            window.addEventListener('resize', () => {
                                if (window.innerWidth >= 100) {
                                    location.reload();
                                }
                            });
                        <\/script>
                    </body>
                    </html >
            `);
                document.close();
            }
        };

        window.addEventListener('resize', checkWidth);
        checkWidth(); // Initial check
    }

    checkTicker() {
        if (!this.video || this.video.paused) return;

        const cur = this.video.currentTime;
        const dur = this.video.duration;

        // ENDING SLOT: 1 minute before end (60s) - Only for videos > 2 mins
        if (dur > 120 && cur >= dur - 60 && cur < dur - 10) {
            if (!this._endingTickerShown) {
                console.log('[TXAPlayer] Triggering Ending Ticker');
                if (this._isTickerRunning) {
                    const container = this.container.querySelector('#txa-ticker');
                    const text = this.container.querySelector('#txa-ticker-text');
                    if (container && text) {
                        text.classList.remove('run');
                        void text.offsetWidth;
                        container.classList.remove('active');
                    }
                }
                this.triggerTicker(45, 'ending');
                this._endingTickerShown = true;
            }
            return;
        }

        // FIXED SLOT: 3:20 (200s) - Duration 40s
        if (cur >= 200 && cur < 240) {
            if (!this._fixedTickerShown) {
                console.log('[TXAPlayer] Triggering Fixed Slot Ticker (3:20)');
                if (this._isTickerRunning) {
                    const container = this.container.querySelector('#txa-ticker');
                    const text = this.container.querySelector('#txa-ticker-text');
                    if (container && text) {
                        text.classList.remove('run');
                        void text.offsetWidth;
                        container.classList.remove('active');
                    }
                }
                this.triggerTicker(40, 'fixed');
                this._fixedTickerShown = true;
            }
            return;
        }

        // Avoid random ticker if approaching fixed slot (e.g., 160s-200s buffer)
        if (cur >= 160 && cur < 240) return;
        // Avoid random ticker near end slot (80s buffer)
        if (dur > 0 && cur >= dur - 80) return;

        // Reset flags if user seeks back
        if (cur < 200 && this._fixedTickerShown) this._fixedTickerShown = false;
        if (dur > 0 && cur < dur - 100 && this._endingTickerShown) this._endingTickerShown = false;

        // Random Ticker Logic
        if (this.tickerCount >= this.tickerMax) return;

        if (cur > this.tickerNextTime && !this._isTickerRunning) {
            console.log('[TXAPlayer] Triggering Random Ticker at', cur);
            this.triggerTicker();
        }
    }

    triggerTicker(forcedDuration = null, type = 'random') {
        const container = this.container.querySelector('#txa-ticker');
        const text = this.container.querySelector('#txa-ticker-text');

        if (!container || !text) {
            console.warn('[TXAPlayer] Ticker container OR text not found!');
            return;
        }

        this._isTickerRunning = true;
        if (type === 'random') this.tickerCount++;

        // Random Style: 1-4
        const styles = ['style-1', 'style-2', 'style-3', 'style-4'];
        text.className = 'txa-ticker-text ' + styles[Math.floor(Math.random() * styles.length)];

        // Content
        const domain = window.location.hostname.replace('www.', '');
        const randomMsgs = [
            `Bạn đang thưởng thức phim tại <span class="highlight">${domain}</span> | Bản quyền thuộc về <span class="brand">TPHIMX</span>`,
            `Cảm ơn bạn đã lựa chọn <span class="highlight">${domain}</span> | Chúc bạn xem phim vui vẻ!`,
            `Hệ thống <span class="brand">TPHIMX</span> đang tối ưu hóa trải nghiệm của bạn tại <span class="highlight">${domain}</span>`,
            `Đừng quên lưu <span class="highlight">${domain}</span> vào dấu trang để truy cập nhanh hơn!`,
            `Phim chất lượng cao, tốc độ mượt mà chỉ có tại <span class="brand">TPHIMX</span> & <span class="highlight">${domain}</span>`,
            `Nếu link phim lỗi, hãy thử đổi Server hoặc báo lỗi ngay cho admin bằng nút ở ngoài nhé!`
        ];

        // Type selection
        if (type === 'random') {
            text.innerHTML = randomMsgs[Math.floor(Math.random() * randomMsgs.length)];
        } else if (type === 'ending') {
            const filmTitle = this.options.title || 'Phim';
            text.innerHTML = `<span style="opacity:0.8;font-weight:400;">BẠN đang xem</span> <span class="highlight">${filmTitle}</span> <span style="opacity:0.8;font-weight:400;margin-left:5px;">tại</span> <span style="color:#8b5cf6;font-weight:900;margin-left:5px;">T</span><span style="color:#fff;font-weight:900;">PHIM</span><span style="color:#facc15;font-weight:900;">X</span> <span style="opacity:0.3;font-size:0.9em;margin:0 5px;">|</span> <span style="opacity:0.8;font-weight:400;">Chúc bạn có những giây phút thư giãn tuyệt vời tại</span> <span class="highlight">${domain}</span>`;
        } else {
            const icon = ['fa-film', 'fa-star', 'fa-heart', 'fa-crown'][Math.floor(Math.random() * 4)];
            const iconColor = ['#fbbf24', '#f472b6', '#a78bfa', '#38bdf8'][Math.floor(Math.random() * 4)];
            text.innerHTML = `<i class="fas ${icon}" style="color:${iconColor}"></i> <span style="opacity:0.8;font-weight:400;">Bạn đang thưởng thức phim tại</span> <span class="highlight">${domain}</span> <span style="opacity:0.3;font-size:0.9em;margin:0 5px;">|</span> <span style="opacity:0.8;font-weight:400;">Bản quyền thuộc về</span> <span class="brand">TPHIMX</span>`;
        }

        // Duration Logic: Fix space issue
        const duration = forcedDuration || (Math.floor(Math.random() * (34 - 20 + 1)) + 20);
        text.style.setProperty('--ticker-dur', `${duration}s`);

        container.classList.add('active');
        text.classList.remove('run');
        void text.offsetWidth; // Trigger reflow
        text.classList.add('run');

        // Reset on end
        const onEnd = () => {
            container.classList.remove('active');
            text.classList.remove('run');
            this._isTickerRunning = false;
            this.lastTickerTime = this.video.currentTime;
            this.tickerNextTime = this.lastTickerTime + 60 + Math.random() * 60;
            text.removeEventListener('animationend', onEnd);
        };
        text.addEventListener('animationend', onEnd);
    }
    // --- v6.4.0 Real-time Clock Logic ---
    startClock() {
        if (this._clockInterval) clearInterval(this._clockInterval);
        this.updateClock();
        this._clockInterval = setInterval(() => this.updateClock(), 1000);
    }

    updateClockVisibility() {
        if (!this.container || this.destroyed) return;
        const clockEl = this.container.querySelector('#txa-clock');
        const itemClock = this.container.querySelector('#txa-item-clock');

        const isMobile = this.detectMobile();
        // v6.4.1 - Expanded fullscreen detection for iOS & Android
        const isFS = !!(
            document.fullscreenElement ||
            document.webkitFullscreenElement ||
            document.mozFullScreenElement ||
            document.msFullscreenElement ||
            document.webkitIsFullScreen ||
            this.video?.webkitDisplayingFullscreen
        );
        const isFSClass = this.wrapper?.classList.contains('fullscreen-mode');

        const enabled = this.settings.showRealTime;
        // v6.4.1 - Logic Change: Always show if enabled, regardless of login (for easier verification)
        // You can restore isLogged requirement later if requested.

        // Mobile visibility: Show if Fullscreen OR Landscape (common for watching)
        const isLandscape = isMobile && window.innerWidth > window.innerHeight;
        let isVisible = enabled;

        if (isMobile && !isFS && !isFSClass && !isLandscape) isVisible = false;

        if (clockEl) clockEl.classList.toggle('active', isVisible);
        if (itemClock) itemClock.style.display = enabled ? 'flex' : 'none';

        return isVisible;
    }

    updateClock() {
        const clockText = this.container.querySelector('#txa-clock-text');
        if (!clockText || (this.settings.showRealTime === false)) return;

        const now = new Date();
        const HH = String(now.getHours()).padStart(2, '0');
        const ii = String(now.getMinutes()).padStart(2, '0');
        const ss = String(now.getSeconds()).padStart(2, '0');

        // Fast path for default format to improve performance
        if (this.settings.clockFormat === 'H:i:s' || !this.settings.clockFormat) {
            clockText.textContent = `${HH}:${ii}:${ss} `;
            return;
        }

        const dd = String(now.getDate()).padStart(2, '0');
        const mm = String(now.getMonth() + 1).padStart(2, '0');
        const yyyy = now.getFullYear();
        const yy = String(yyyy).slice(-2);

        clockText.textContent = this.settings.clockFormat
            .replace('H', HH).replace('i', ii).replace(/s|S/g, ss)
            .replace('d', dd).replace('M', mm).replace('YYYY', yyyy).replace('YY', yy);
    }

    toggleTheaterMode() {
        this.isTheaterMode = !this.isTheaterMode;
        const wrapper = document.getElementById('player-wrapper');
        const overlay = document.getElementById('theater-overlay');
        
        if (this.isTheaterMode) {
            if (wrapper) wrapper.style.zIndex = '50';
            if (overlay) {
                overlay.style.opacity = '1';
                overlay.style.pointerEvents = 'auto';
            }
            document.body.style.overflow = 'hidden';
        } else {
            if (wrapper) wrapper.style.zIndex = '';
            if (overlay) {
                overlay.style.opacity = '0';
                overlay.style.pointerEvents = 'none';
            }
            document.body.style.overflow = '';
        }
        
        this.showFeedback('text', this.isTheaterMode ? 'Chế độ Rạp: Bật' : 'Chế độ Rạp: Tắt');
    }

    destroy() {
        if (this.destroyed) return;
        this.destroyed = true;

        if (this._clockInterval) clearInterval(this._clockInterval);
        if (this._uiTimer) clearTimeout(this._uiTimer);
        if (this._autoNextCountdownInterval) clearInterval(this._autoNextCountdownInterval);

        // Cleanup global event listeners
        window.removeEventListener('mousemove', this._handlers.winMouseMove);
        window.removeEventListener('mouseup', this._handlers.winMouseUp);
        document.removeEventListener('fullscreenchange', this._handlers.docFSChange);
        document.removeEventListener('click', this._handlers.docClick);

        if (this.dashPlayer) {
            this.dashPlayer.destroy();
        }
        if (this.hls) {
            this.hls.destroy();
        }
    }
}; 
}