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<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>XORTRON - Criminal Computing</title>
    
    <link href="https://fonts.googleapis.com/css2?family=Orbitron:wght@400;500;600;700&display=swap" rel="stylesheet">
    <script src="https://cdn.jsdelivr.net/npm/marked/marked.min.js"></script>

    <style>
        :root {
            --glass-bg: rgba(10, 10, 12, 0.6);
            --glass-border: rgba(255, 255, 255, 0.08);
            --user-msg-bg: rgba(79, 70, 229, 0.3);
            --user-msg-border: rgba(79, 70, 229, 0.4);
            --bot-msg-bg: rgba(255, 255, 255, 0.05);
            --bot-msg-border: rgba(255, 255, 255, 0.1);
            --text-main: #e2e8f0;
            --text-muted: #94a3b8;
        }

        * { box-sizing: border-box; margin: 0; padding: 0; }

        body {
            font-family: 'Orbitron', sans-serif;
            background-color: #000000;
            color: var(--text-main);
            height: 100vh;
            display: flex;
            justify-content: center;
            align-items: center;
            overflow: hidden;
            position: relative;
        }

        .orb {
            position: absolute; border-radius: 50%; filter: blur(90px); z-index: 0; opacity: 0.35;
        }
        /* Orbs are 20% faster */
        .orb-1 { top: -10%; left: -10%; width: 500px; height: 500px; background: #4f46e5; animation: float 9.6s infinite ease-in-out; }
        .orb-2 { bottom: -15%; right: -10%; width: 600px; height: 600px; background: #400101; animation: float 12s infinite ease-in-out reverse; }
        .orb-3 { top: 30%; left: 50%; width: 400px; height: 400px; background: #06b6d4; animation: float 8s infinite ease-in-out 2s; }

        /* Movement distance and scale increased by 20% */
        @keyframes float { 0%, 100% { transform: translateY(0) scale(1); } 50% { transform: translateY(-50px) scale(1.1); } }

        .chat-container {
            width: 95%; max-width: 1100px; height: 88vh;
            background: var(--glass-bg);
            backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
            border: 1px solid var(--glass-border); border-radius: 24px;
            box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.6);
            display: flex; flex-direction: column; z-index: 10; overflow: hidden;
        }

        header {
            padding: 20px 25px; border-bottom: 1px solid var(--glass-border);
            display: flex; align-items: center; justify-content: space-between; background: rgba(0, 0, 0, 0.4);
        }

        .header-left { display: flex; align-items: center; gap: 12px; }
        .status-dot { width: 10px; height: 10px; background-color: #10b981; border-radius: 50%; box-shadow: 0 0 10px #10b981; }
        header h2 { font-size: 1.2rem; font-weight: 500; letter-spacing: 0.5px; text-transform: uppercase; }
        .header-controls { display: flex; gap: 10px; }

        .btn {
            background: rgba(255, 255, 255, 0.05); border: 1px solid rgba(255, 255, 255, 0.1);
            color: var(--text-muted); padding: 8px 14px; border-radius: 10px;
            cursor: pointer; font-size: 0.85rem; font-family: inherit; transition: all 0.2s ease;
        }
        .btn:hover { background: rgba(255, 255, 255, 0.1); color: #fff; }
        .clear-btn:hover { background: rgba(239, 68, 68, 0.2); border-color: rgba(239, 68, 68, 0.4); color: #fca5a5; }

        .avatar-area {
            display: flex; flex-direction: column; align-items: center; justify-content: center;
            padding: 15px; border-bottom: 1px solid var(--glass-border); background: rgba(0, 0, 0, 0.2);
        }
        
        .avatar-core {
            width: 50px; height: 50px; border-radius: 50%;
            background: radial-gradient(circle, #38bdf8 0%, #0284c7 50%, #000 100%);
            box-shadow: 0 0 15px #38bdf8; transition: all 0.3s ease;
        }

        .avatar-status { font-size: 0.75rem; color: var(--text-muted); margin-top: 8px; letter-spacing: 1px; text-transform: uppercase;}

        .state-idle { animation: core-breathe 4s infinite ease-in-out; }
        .state-thinking { background: radial-gradient(circle, #f59e0b 0%, #b45309 50%, #000 100%); box-shadow: 0 0 20px #f59e0b; animation: core-spin 1s infinite linear; }
        .state-speaking { background: radial-gradient(circle, #06b6d4 0%, #0369a1 50%, #000 100%); box-shadow: 0 0 35px #06b6d4; animation: core-talk 0.15s infinite alternate; }

        @keyframes core-breathe { 0%, 100% { transform: scale(1); opacity: 0.8; } 50% { transform: scale(1.05); opacity: 1; } }
        @keyframes core-talk { 0% { transform: scale(1); } 100% { transform: scale(1.2); box-shadow: 0 0 40px #06b6d4; } }
        @keyframes core-spin { 0% { transform: scale(0.9) rotate(0deg); } 50% { transform: scale(1.1) rotate(180deg); } 100% { transform: scale(0.9) rotate(360deg); } }

        .chat-box { flex: 1; padding: 25px; overflow-y: auto; display: flex; flex-direction: column; gap: 20px; }
        .chat-box::-webkit-scrollbar { width: 6px; }
        .chat-box::-webkit-scrollbar-track { background: transparent; }
        .chat-box::-webkit-scrollbar-thumb { background: rgba(255, 255, 255, 0.15); border-radius: 10px; }

        .message-wrapper { display: flex; flex-direction: column; max-width: 80%; animation: fadeIn 0.3s ease forwards; }
        @keyframes fadeIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }
        .message-wrapper.user { align-self: flex-end; align-items: flex-end; }
        .message-wrapper.bot { align-self: flex-start; align-items: flex-start; }

        .message { padding: 14px 18px; border-radius: 18px; line-height: 1.6; font-size: 0.95rem; word-wrap: break-word; }
        .message-wrapper.user .message { background: var(--user-msg-bg); border: 1px solid var(--user-msg-border); border-bottom-right-radius: 4px; color: #fff; }
        .message-wrapper.bot .message { background: var(--bot-msg-bg); border: 1px solid var(--bot-msg-border); border-bottom-left-radius: 4px; box-shadow: 0 4px 15px rgba(0,0,0,0.2); }

        .message p { margin-bottom: 10px; }
        .message p:last-child { margin-bottom: 0; }
        .message pre { background: rgba(0, 0, 0, 0.4); padding: 12px; border-radius: 8px; overflow-x: auto; margin: 10px 0; border: 1px solid rgba(255,255,255,0.05); }
        .message code { font-family: 'Courier New', Courier, monospace; background: rgba(0, 0, 0, 0.3); padding: 2px 6px; border-radius: 4px; font-size: 0.85rem; color: #38bdf8; }
        .message pre code { background: transparent; padding: 0; color: #e2e8f0; }
        .message a { color: #38bdf8; text-decoration: none; }

        /* --- 3-DOT TYING INDICATOR STYLES --- */
        .typing {
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 4px 6px;
        }
        .typing span {
            width: 8px;
            height: 8px;
            background-color: #38bdf8;
            border-radius: 50%;
            display: inline-block;
            opacity: 0.4;
            animation: typing-bounce 1.4s infinite ease-in-out both;
        }
        .typing span:nth-child(1) {
            animation-delay: -0.32s;
        }
        .typing span:nth-child(2) {
            animation-delay: -0.16s;
        }
        @keyframes typing-bounce {
            0%, 80%, 100% {
                transform: scale(0.6);
                opacity: 0.4;
            }
            40% {
                transform: scale(1.1);
                opacity: 1;
                box-shadow: 0 0 8px #38bdf8;
            }
        }

        /* --- ENHANCED MARKDOWN STYLES --- */
        
        /* Tables */
        .message table {
            width: 100%;
            border-collapse: collapse;
            margin: 15px 0;
            background: rgba(0, 0, 0, 0.4);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 8px;
            display: block;
            overflow-x: auto;
        }
        
        .message th, .message td {
            padding: 12px 15px;
            text-align: left;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
            border-right: 1px solid rgba(255, 255, 255, 0.05);
        }

        .message th:last-child, .message td:last-child {
            border-right: none;
        }

        .message th {
            background: rgba(255, 255, 255, 0.08);
            color: #38bdf8;
            font-weight: 600;
            text-transform: uppercase;
            font-size: 0.85rem;
            letter-spacing: 0.5px;
            border-bottom: 2px solid rgba(255, 255, 255, 0.15);
        }

        .message tr:last-child td {
            border-bottom: none;
        }

        .message tbody tr {
            transition: background 0.2s ease;
        }

        .message tbody tr:hover td {
            background: rgba(56, 189, 248, 0.05);
        }

        /* Lists */
        .message ul, .message ol {
            margin: 10px 0 10px 20px;
            padding-left: 10px;
        }

        .message li {
            margin-bottom: 6px;
        }
        
        .message li::marker {
            color: #38bdf8;
        }

        /* Blockquotes */
        .message blockquote {
            border-left: 4px solid #38bdf8;
            padding: 10px 15px;
            margin: 15px 0;
            background: rgba(0, 0, 0, 0.25);
            border-radius: 0 8px 8px 0;
            color: var(--text-muted);
            font-style: italic;
        }

        /* Horizontal Rules */
        .message hr {
            border: none;
            border-top: 1px dashed rgba(255, 255, 255, 0.15);
            margin: 20px 0;
        }

        .input-area { padding: 20px 25px; border-top: 1px solid var(--glass-border); display: flex; gap: 15px; background: rgba(0, 0, 0, 0.25); }
        .input-area input { flex: 1; background: rgba(0, 0, 0, 0.4); border: 1px solid rgba(255, 255, 255, 0.1); padding: 16px 20px; border-radius: 14px; color: #fff; font-size: 1rem; font-family: inherit; outline: none; transition: all 0.3s ease; }
        .input-area input:focus { border-color: rgba(79, 70, 229, 0.6); background: rgba(0, 0, 0, 0.5); }
        .input-area button { background: linear-gradient(135deg, #4f46e5, #3b82f6); border: none; width: 55px; border-radius: 14px; color: white; cursor: pointer; display: flex; justify-content: center; align-items: center; transition: transform 0.2s, box-shadow 0.2s; box-shadow: 0 4px 15px rgba(79, 70, 229, 0.4); }
        .input-area button:hover { transform: translateY(-2px); box-shadow: 0 6px 20px rgba(79, 70, 229, 0.6); }
        .input-area button svg { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 2; }

        /* Custom Dialog Modal */
        .modal-overlay {
            position: fixed;
            top: 0; left: 0; width: 100%; height: 100%;
            background: rgba(0, 0, 0, 0.85);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            display: none; /* Changed to display: none/flex instead of opacity tricks */
            justify-content: center;
            align-items: center;
            z-index: 1000;
        }
        .modal-overlay.active {
            display: flex;
        }
        .modal-content {
            background: rgba(15, 15, 20, 0.95);
            border: 1px solid rgba(239, 68, 68, 0.3);
            box-shadow: 0 0 25px rgba(239, 68, 68, 0.15);
            padding: 25px;
            border-radius: 16px;
            max-width: 440px;
            width: 90%;
            text-align: center;
            animation: modalScale 0.2s ease forwards;
        }
        @keyframes modalScale {
            from { transform: scale(0.9); }
            to { transform: scale(1); }
        }
        .modal-title {
            font-size: 1.1rem;
            color: #ef4444;
            margin-bottom: 12px;
            letter-spacing: 1px;
            text-transform: uppercase;
        }
        .modal-text {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-bottom: 20px;
            line-height: 1.5;
        }
        .modal-buttons {
            display: flex;
            justify-content: center;
            gap: 15px;
        }

        @media (max-width: 600px) { .chat-container { width: 100%; height: 100vh; border-radius: 0; border: none; } .message-wrapper { max-width: 90%; } }
    </style>
</head>
<body>

    <div class="orb orb-1"></div>
    <div class="orb orb-2"></div>
    <div class="orb orb-3"></div>

    <div class="chat-container">
        <header>
            <div class="header-left">
                <div class="status-dot"></div>
                <h2>XORTRON - Criminal Computing</h2>
            </div>
            <div class="header-controls">
                <button id="clear-btn" class="btn clear-btn">Clear History</button>
            </div>
        </header>

        <div class="avatar-area">
            <div id="avatar-core" class="avatar-core state-idle"></div>
            <div id="avatar-status" class="avatar-status">System Idle</div>
        </div>

        <div class="chat-box" id="chat-box"></div>

        <div class="input-area">
            <input type="text" id="message-input" placeholder="Message XORTRON..." autocomplete="off">
            <button id="send-btn">
                <svg viewBox="0 0 24 24"><line x1="22" y1="2" x2="11" y2="13"></line><polygon points="22 2 15 22 11 13 2 9 22 2"></polygon></svg>
            </button>
        </div>
    </div>

    <!-- Custom Modal Dialog (Clear History) -->
    <div id="confirm-modal" class="modal-overlay">
        <div class="modal-content">
            <h3 class="modal-title">Purge Logs?</h3>
            <p class="modal-text">Are you sure you want to delete all local conversation history? This action cannot be undone.</p>
            <div class="modal-buttons">
                <button id="modal-confirm" class="btn clear-btn">Purge</button>
                <button id="modal-cancel" class="btn">Cancel</button>
            </div>
        </div>
    </div>

    <!-- Custom Welcome Modal Dialog -->
    <div id="welcome-modal" class="modal-overlay">
        <div class="modal-content" style="border-color: rgba(79, 70, 229, 0.3); box-shadow: 0 0 25px rgba(79, 70, 229, 0.15);">
            <h3 class="modal-title" style="color: #38bdf8;">System Notice</h3>
            <p class="modal-text" style="text-align: left; margin-bottom: 24px;">
                This space is a part of The XORTRON Criminal Computing project; an ongoing research experiment and exercise in AI safety and alignment.
                <br><br>
                XORTRON is provided completely free of charge and without limits, funded entirely by voluntary community donations.
                <br><br>
                If you find this project useful, please consider supporting its development, compute, and inference costs at:
                <br>
                <a href="https://ko-fi.com/xortron" target="_blank" style="color: #38bdf8; text-decoration: underline; font-weight: bold; display: block; margin-top: 8px; text-align: center;">ko-fi.com/xortron</a>
            </p>
            <div class="modal-buttons">
                <button id="welcome-close" class="btn" style="background: linear-gradient(135deg, #4f46e5, #3b82f6); color: white; width: 100%;">Acknowledge</button>
            </div>
        </div>
    </div>

    <script>
        const API_URL = "https://darkc0de-xortronapi.hf.space/v1/chat/completions";
        const STORAGE_KEY = "xortron_chat_history";
        
        const chatBox = document.getElementById('chat-box');
        const messageInput = document.getElementById('message-input');
        const sendBtn = document.getElementById('send-btn');
        const clearBtn = document.getElementById('clear-btn');
        const avatarCore = document.getElementById('avatar-core');
        const avatarStatus = document.getElementById('avatar-status');

        // Modal Elements
        const confirmModal = document.getElementById('confirm-modal');
        const modalConfirm = document.getElementById('modal-confirm');
        const modalCancel = document.getElementById('modal-cancel');
        const welcomeModal = document.getElementById('welcome-modal');
        const welcomeClose = document.getElementById('welcome-close');

        let conversationHistory = [];

        // --- Avatar & TTS State Management ---
        let currentState = 'idle';
        const synth = window.speechSynthesis;

        // Streaming state variables
        let sentenceBuffer = "";
        let inCodeBlock = false;
        let activeUtterances = 0;
        let isStreamDone = false;

        function updateAvatarState(state, text) {
            currentState = state;
            avatarCore.className = `avatar-core state-${state}`;
            avatarStatus.innerText = text;
        }

        // --- CHUNKED SPEECH QUEUE ENGINE ---
        function enqueueSpeech(text) {
            let cleanText = text;
            
            // Inline code snippets
            cleanText = cleanText.replace(/`[^`]+`/g, ' ');
            // URLs
            cleanText = cleanText.replace(/https?:\/\/[^\s]+/g, ' this link ');
            // Emojis
            cleanText = cleanText.replace(/[\p{Emoji_Presentation}\p{Extended_Pictographic}]/gu, '');
            // Markdown links & formatting
            cleanText = cleanText.replace(/\[(.*?)\]\(.*?\)/g, '$1');
            cleanText = cleanText.replace(/[*_#~>|\-:]/g, '');
            // Extra spaces
            cleanText = cleanText.replace(/\s+/g, ' ').trim();

            if (!cleanText) return;

            activeUtterances++;
            const utterance = new SpeechSynthesisUtterance(cleanText);
            
            // --- SPEED UP THE VOICE ---
            utterance.rate = 1.2; 
            // ---------------------------

            const voices = synth.getVoices();
            const engVoice = voices.find(v => v.lang.includes('en'));
            if(engVoice) utterance.voice = engVoice;

            utterance.onstart = () => { updateAvatarState('speaking', 'Transmitting Audio...'); };
            
            utterance.onend = () => {
                activeUtterances--;
                checkSpeechFinished();
            };
            
            utterance.onerror = () => {
                activeUtterances--;
                checkSpeechFinished();
            };

            synth.speak(utterance);
        }

        function checkSpeechFinished() {
            if (activeUtterances === 0 && isStreamDone) {
                updateAvatarState('idle', 'System Idle');
            }
        }

        marked.setOptions({ breaks: true, gfm: true });
        function scrollToBottom() { chatBox.scrollTop = chatBox.scrollHeight; }

        function appendMessage(role, text, isHTML = false) {
            const wrapperDiv = document.createElement('div');
            wrapperDiv.className = `message-wrapper ${role}`;
            const msgDiv = document.createElement('div');
            msgDiv.className = 'message';
            if (isHTML && role === 'bot') { msgDiv.innerHTML = marked.parse(text); } else { msgDiv.textContent = text; }
            wrapperDiv.appendChild(msgDiv);
            chatBox.appendChild(wrapperDiv);
            scrollToBottom();
            return wrapperDiv;
        }

        function addTypingIndicator() {
            const wrapperDiv = document.createElement('div');
            wrapperDiv.className = `message-wrapper bot typing-indicator`;
            const msgDiv = document.createElement('div');
            msgDiv.className = 'message';
            msgDiv.innerHTML = `<div class="typing"><span></span><span></span><span></span></div>`;
            wrapperDiv.appendChild(msgDiv);
            chatBox.appendChild(wrapperDiv);
            scrollToBottom();
            return wrapperDiv;
        }

        function saveHistory() { localStorage.setItem(STORAGE_KEY, JSON.stringify(conversationHistory)); }

        function loadHistory() {
            const savedData = localStorage.getItem(STORAGE_KEY);
            if (savedData) {
                try {
                    conversationHistory = JSON.parse(savedData);
                    if (conversationHistory.length > 0) {
                        conversationHistory.forEach(msg => {
                            const uiRole = msg.role === 'user' ? 'user' : 'bot';
                            appendMessage(uiRole, msg.content, uiRole === 'bot');
                        });
                        scrollToBottom();
                    }
                } catch (error) {}
            }
        }

        // --- Custom Dialog Control Functions ---
        function showClearConfirm() {
            confirmModal.classList.add('active');
        }

        function hideClearConfirm() {
            confirmModal.classList.remove('active');
        }

        function executeClear() {
            conversationHistory = [];
            localStorage.removeItem(STORAGE_KEY);
            chatBox.innerHTML = '';
            hideClearConfirm();
        }

        async function sendMessage() {
            const text = messageInput.value.trim();
            if (!text) return;

            synth.cancel(); 
            updateAvatarState('thinking', 'Processing Request...');
            
            // Reset stream states for the new message
            sentenceBuffer = "";
            inCodeBlock = false;
            activeUtterances = 0;
            isStreamDone = false;

            appendMessage('user', text);
            messageInput.value = '';
            messageInput.disabled = true;
            sendBtn.disabled = true;

            conversationHistory.push({ role: "user", content: text });
            saveHistory();

            const loadingIndicator = addTypingIndicator();

            try {
                const response = await fetch(API_URL, {
                    method: 'POST',
                    headers: { 'Content-Type': 'application/json', 'Accept': 'text/event-stream' },
                    body: JSON.stringify({
                        model: "darkc0de/3.6-27B-Uncensored", 
                        messages: conversationHistory,
                        stream: true, 
                        temperature: 1.0, 
                        top_p: 0.95,
                        top_k: 20,
                        max_tokens: 32768,
                        presence_penalty: 1.1,
                        chat_template_kwargs: { "enable_thinking": false }
                    })
                });

                if (!response.ok) throw new Error(`HTTP error! status: ${response.status}`);

                loadingIndicator.remove();

                const wrapperDiv = document.createElement('div');
                wrapperDiv.className = `message-wrapper bot`;
                const msgDiv = document.createElement('div');
                msgDiv.className = 'message';
                wrapperDiv.appendChild(msgDiv);
                chatBox.appendChild(wrapperDiv);

                const reader = response.body.getReader();
                const decoder = new TextDecoder("utf-8");
                let done = false;
                let botReply = "";
                let jsonBuffer = "";

                while (!done) {
                    const { value, done: readerDone } = await reader.read();
                    done = readerDone;

                    if (value) {
                        jsonBuffer += decoder.decode(value, { stream: true });
                        const lines = jsonBuffer.split('\n');
                        jsonBuffer = lines.pop(); 

                        for (const line of lines) {
                            if (line.trim() === '') continue;
                            if (line.startsWith('data: ')) {
                                const dataStr = line.substring(6).trim();
                                if (dataStr === '[DONE]') {
                                    done = true;
                                    break;
                                }
                                try {
                                    const data = JSON.parse(dataStr);
                                    if (data.choices && data.choices[0].delta && data.choices[0].delta.content) {
                                        const delta = data.choices[0].delta.content;
                                        botReply += delta;
                                        msgDiv.innerHTML = marked.parse(botReply);
                                        scrollToBottom();

                                        // --- STREAM TO SPEECH LOGIC ---
                                        sentenceBuffer += delta;

                                        // 1. Check for Code Block Toggles
                                        let codeBlockIndex = sentenceBuffer.indexOf("```");
                                        while (codeBlockIndex !== -1) {
                                            if (!inCodeBlock) {
                                                // Entering a code block: Speak what we have so far
                                                let beforeCode = sentenceBuffer.substring(0, codeBlockIndex);
                                                if (beforeCode.trim()) enqueueSpeech(beforeCode);
                                                
                                                enqueueSpeech(" I have provided the code for you in the chat interface. ");
                                                inCodeBlock = true;
                                            } else {
                                                // Exiting a code block
                                                inCodeBlock = false;
                                            }
                                            // Discard the processed text
                                            sentenceBuffer = sentenceBuffer.substring(codeBlockIndex + 3);
                                            codeBlockIndex = sentenceBuffer.indexOf("```");
                                        }

                                        // 2. Check for sentence boundaries if NOT in a code block
                                        if (!inCodeBlock) {
                                            let match;
                                            // Matches ., !, ?, or \n followed by a space
                                            const sentenceRegex = /([.!?]+|\n)\s+/;
                                            while ((match = sentenceBuffer.match(sentenceRegex)) !== null) {
                                                let splitIndex = match.index + match[0].length;
                                                let sentence = sentenceBuffer.substring(0, splitIndex);
                                                
                                                if (sentence.trim()) {
                                                    enqueueSpeech(sentence);
                                                }
                                                // Remove the spoken sentence from the buffer
                                                sentenceBuffer = sentenceBuffer.substring(splitIndex);
                                            }
                                        }
                                        // ------------------------------
                                    }
                                } catch (e) { }
                            }
                        }
                    }
                }

                // Stream complete
                isStreamDone = true;
                
                // Flush any remaining text in the buffer that didn't end in punctuation
                if (!inCodeBlock && sentenceBuffer.trim()) {
                    enqueueSpeech(sentenceBuffer);
                    sentenceBuffer = "";
                }

                // Check if speech already finished (in case of very short responses)
                checkSpeechFinished();

                conversationHistory.push({ role: "assistant", content: botReply });
                saveHistory();

            } catch (error) {
                loadingIndicator.remove();
                appendMessage('bot', `⚠️ **Error:** Unable to connect to the AI endpoint.`, true);
                isStreamDone = true;
                checkSpeechFinished();
            } finally {
                messageInput.disabled = false;
                sendBtn.disabled = false;
                messageInput.focus();
                scrollToBottom();
            }
        }

        // Event Listeners for Chat actions
        sendBtn.addEventListener('click', sendMessage);
        
        // Event Listeners for Custom Confirmation Modal
        clearBtn.addEventListener('click', showClearConfirm);
        modalConfirm.addEventListener('click', executeClear);
        modalCancel.addEventListener('click', hideClearConfirm);
        confirmModal.addEventListener('click', (e) => {
            if (e.target === confirmModal) hideClearConfirm();
        });

        // Event Listener for Welcome Modal Close
        welcomeClose.addEventListener('click', () => {
            welcomeModal.classList.remove('active');
        });

        messageInput.addEventListener('keypress', (e) => {
            if (e.key === 'Enter') { e.preventDefault(); sendMessage(); }
        });

        if (speechSynthesis.onvoiceschanged !== undefined) {
            speechSynthesis.onvoiceschanged = () => synth.getVoices();
        }

        window.onload = () => { 
            loadHistory(); 
            messageInput.focus(); 

            // Always display the welcome modal upon loading the page
            welcomeModal.classList.add('active');
        };
    </script>
</body>
</html>