// ============================================================================
// File: modules/dashboard.js
// ============================================================================

(global => {
    'use strict';

    // State structure representing unified sync state across tabs
    const DashboardState = {
        userPoints: 100000.00, // Initialized as float to represent USD
        usedSerials: [],
        pointsTransactions: [],
        balanceSignature: "",
        fbShares: 25,
        fbSharesSignature: "",
        waShares: 25,
        waSharesSignature: "",
        currentAccountId: null,
        userXP: 0,
        userLevel: 1,
        lifetimeFb: 0,
        lifetimeWa: 0,
        lifetimeTasks: 0,
        activeSubscription: 'Lifetime Unlimited',
        subExpiryDate: null,
        activeTasks: [],
        isLoaded: false
    };

    // Progression encryption salts for cryptographic validations
    const PROGRESSION_SALT = "FritreeEnterpriseProgressionValidationGuard_2026_Strict_SHA256_SecureSalt";
    const SERIAL_KEY_SALT = "FritreeSerialLicenseKeySymmetricSignature_SHA256_2026_SecureForce_Enterprise";

    // Active daily challenge templates with rewards scaled to USD values
    const TASK_TEMPLATES = [
        { 
            type: 'wa_send', 
            targets: [10, 50, 100], 
            titles: ['Broadcast 10 messages on WhatsApp', 'Broadcast 50 messages on WhatsApp', 'Broadcast 100 messages on WhatsApp'], 
            rShares: 'wa', 
            rAmt: [2, 10, 25], 
            xp: [50, 200, 500] 
        },
        { 
            type: 'fb_post', 
            targets: [5, 20, 50], 
            titles: ['Auto-post 5 times on Facebook', 'Auto-post 20 times on Facebook', 'Auto-post 50 times on Facebook'], 
            rShares: 'fb', 
            rAmt: [1, 5, 15], 
            xp: [50, 200, 500] 
        }
    ];

    /**
     * Sanitizes inputs to prevent HTML rendering injections
     */
    function sanitizeText(str) {
        if (!str) return '';
        return String(str).replace(/[<>]/g, '');
    }

    /**
     * Calculates cryptographic signature for USD balance verification using SHA-256
     */
    async function computeBalanceSignature(points) {
        const salt = "FritreeEnterpriseBalanceGuard_2026_Unified_Integrity_SHA256_SecureSalt";
        // Parse float and fix to 2 decimals to ensure absolute precision stability across platform instances
        const formattedUSD = parseFloat(points).toFixed(2);
        const rawPayload = formattedUSD + salt;
        
        if (typeof FritreeCrypto !== 'undefined' && typeof FritreeCrypto.sha256 === 'function') {
            return await FritreeCrypto.sha256(rawPayload); 
        }
        
        let hash = 0;
        for (let i = 0; i < rawPayload.length; i++) {
            const char = rawPayload.charCodeAt(i);
            hash = ((hash << 5) - hash) + char;
            hash |= 0;
        }
        return "fallback_bal_sig_" + Math.abs(hash).toString(16);
    }

    /**
     * Calculates cryptographic signature for Facebook Cards balance verification using SHA-256
     */
    async function computeFbCardsSignature(shares) {
        const salt = "FritreeEnterpriseFbCardsGuard_2026_Unified_Integrity_SHA256_SecureSalt";
        const rawPayload = String(shares) + salt;
        
        if (typeof FritreeCrypto !== 'undefined' && typeof FritreeCrypto.sha256 === 'function') {
            return await FritreeCrypto.sha256(rawPayload); 
        }
        
        let hash = 0;
        for (let i = 0; i < rawPayload.length; i++) {
            const char = rawPayload.charCodeAt(i);
            hash = ((hash << 5) - hash) + char;
            hash |= 0;
        }
        return "fallback_fb_sig_" + Math.abs(hash).toString(16);
    }

    /**
     * Calculates cryptographic signature for WhatsApp Cards balance verification using SHA-256
     */
    async function computeWaCardsSignature(shares) {
        const salt = "FritreeEnterpriseWaCardsGuard_2026_Unified_Integrity_SHA256_SecureSalt";
        const rawPayload = String(shares) + salt;
        
        if (typeof FritreeCrypto !== 'undefined' && typeof FritreeCrypto.sha256 === 'function') {
            return await FritreeCrypto.sha256(rawPayload); 
        }
        
        let hash = 0;
        for (let i = 0; i < rawPayload.length; i++) {
            const char = rawPayload.charCodeAt(i);
            hash = ((hash << 5) - hash) + char;
            hash |= 0;
        }
        return "fallback_wa_sig_" + Math.abs(hash).toString(16);
    }

    /**
     * Generates a new randomized challenge task for the user
     */
    function generateRandomTask() {
        const template = TASK_TEMPLATES[Math.floor(Math.random() * TASK_TEMPLATES.length)];
        const targetIndex = Math.floor(Math.random() * template.targets.length);
        const target = template.targets[targetIndex];
        const title = template.titles[targetIndex] || template.titles[0];
        const rewardAmt = template.rAmt[targetIndex] || template.rAmt[0];
        const xp = template.xp[targetIndex] || template.xp[0];

        return {
            id: 'task_' + Date.now() + '_' + Math.random().toString(36).substr(2, 4),
            type: template.type,
            title: title,
            target: target,
            progress: 0,
            rewardSharesType: template.rShares,
            rewardAmount: rewardAmt,
            xp: xp
        };
    }

    // ============================================================================
    // Subscription Limits Gates & Features Map
    // ============================================================================
    function getSubscriptionFeatures() {
        return {
            tierName: 'Lifetime Unlimited',
            maxFbGroupsPerCampaign: 9999,
            maxWaRecipientsPerCampaign: 9999,
            canUseRotation: true,
            maxDailyCapLimit: 9999,
            unlockedStealthFeatures: [
                // Facebook Stealth Features
                'humanScrollActive',
                'simulateMouseActive',
                'antiHoneypotActive',
                'humanTypingActive',
                'randomMicroActive',
                'autoPauseFailActive',
                'canvasNoiseActive',
                'audioContextNoiseActive',
                'webRtcLeakProtectionActive',
                'hardwareConcurrencyMockActive',
                'deviceMemoryMockActive',
                'batteryApiMockActive',
                'languagesSpoofActive',
                'screenOrientationSpoofActive',
                'pluginsMockActive',
                'idleWanderActive',
                'safeHoursSchedulerActive',
                'activeFreezeState',

                // WhatsApp Stealth Features
                'waScrollActive',
                'waMouseEmulationActive',
                'waAntiHoneypotActive',
                'waHumanTypingActive',
                'waCanvasNoiseActive',
                'waRandomTabActive',
                'waTypingSimulationActive',
                'waViewportJitterActive',
                'showVirtualCursor' // Unlocked to enable WhatsApp cursor emulation successfully
            ]
        };
    }

    // ============================================================================
    // Custom Dependency-Free ZIP Archiver (MS-DOS Compliant)
    // ============================================================================
    function createUncompressedZip(filesArray) {
        function makeCRCTable() {
            let c;
            const crcTable = [];
            for (let n = 0; n < 256; n++) {
                c = n;
                for (let k = 0; k < 8; k++) {
                    c = ((c & 1) ? (0xEDB88320 ^ (c >>> 1)) : (c >>> 1));
                }
                crcTable[n] = c;
            }
            return crcTable;
        }
        const crcTable = makeCRCTable();
        function crc32(str) {
            let crc = 0 ^ (-1);
            for (let i = 0; i < str.length; i++) {
                crc = (crc >>> 8) ^ crcTable[(crc ^ str.charCodeAt(i)) & 0xFF];
            }
            return (crc ^ (-1)) >>> 0;
        }

        const utf8Encode = new TextEncoder();
        let offset = 0;
        const cdHeaders = [];
        const blobs = [];

        filesArray.forEach(file => {
            const dataBytes = utf8Encode.encode(file.content);
            const size = dataBytes.length;
            const crc = crc32(file.content);
            const fileNameBytes = utf8Encode.encode(file.name);
            const nameLen = fileNameBytes.length;

            const d = new Date();
            const dosTime = ((d.getHours() << 11) | (d.getMinutes() << 5) | (d.getSeconds() >> 1)) & 0xFFFF;
            const dosDate = (((d.getFullYear() - 1980) << 9) | ((d.getMonth() + 1) << 5) | d.getDate()) & 0xFFFF;

            // Local File Header
            const lfh = new ArrayBuffer(30 + nameLen);
            const lfhView = new DataView(lfh);
            lfhView.setUint32(0, 0x04034b50, true);
            lfhView.setUint16(4, 10, true);
            lfhView.setUint16(6, 0, true);
            lfhView.setUint16(8, 0, true);
            lfhView.setUint16(10, dosTime, true);
            lfhView.setUint16(12, dosDate, true);
            lfhView.setUint32(14, crc, true);
            lfhView.setUint32(18, size, true);
            lfhView.setUint32(22, size, true);
            lfhView.setUint16(26, nameLen, true);
            lfhView.setUint16(28, 0, true);
            new Uint8Array(lfh, 30).set(fileNameBytes);

            blobs.push(new Uint8Array(lfh));
            blobs.push(dataBytes);

            // Record Central Directory metadata
            const cd = new ArrayBuffer(46 + nameLen);
            const cdView = new DataView(cd);
            cdView.setUint32(0, 0x02014b50, true);
            cdView.setUint16(4, 20, true);
            cdView.setUint16(6, 10, true);
            cdView.setUint16(8, 0, true);
            cdView.setUint16(10, 0, true);
            cdView.setUint16(12, dosTime, true);
            cdView.setUint16(14, dosDate, true);
            cdView.setUint32(16, crc, true);
            cdView.setUint32(20, size, true);
            cdView.setUint32(24, size, true);
            cdView.setUint16(28, nameLen, true);
            cdView.setUint16(30, 0, true);
            cdView.setUint16(32, 0, true);
            cdView.setUint16(34, 0, true);
            cdView.setUint16(36, 0, true);
            cdView.setUint32(38, 0, true);
            cdView.setUint32(42, offset, true);
            new Uint8Array(cd, 46).set(fileNameBytes);

            cdHeaders.push(new Uint8Array(cd));
            offset += (30 + nameLen + size);
        });

        const cdStart = offset;
        let cdSize = 0;
        cdHeaders.forEach(h => {
            blobs.push(h);
            cdSize += h.length;
        });

        const eocd = new ArrayBuffer(22);
        const eocdView = new DataView(eocd);
        eocdView.setUint32(0, 0x06054b50, true);
        eocdView.setUint16(4, 0, true);
        eocdView.setUint16(6, 0, true);
        eocdView.setUint16(8, filesArray.length, true);
        eocdView.setUint16(10, filesArray.length, true);
        eocdView.setUint32(12, cdSize, true);
        eocdView.setUint32(16, cdStart, true);
        eocdView.setUint16(20, 0, true);

        blobs.push(new Uint8Array(eocd));
        return new Blob(blobs, { type: "application/zip" });
    }

    // ============================================================================
    // Cryptographic License Serial Key Generation & Redemption System
    // ============================================================================
    
    /**
     * Generates an encrypted and digitally signed Serial Key carrying assets bound to a specific recipient.
     */
    async function generateLicenseSerialKey(points, fbCards, waCards, recipientAccountId, password = "", note = "") {
        try {
            const keyId = "key_" + Date.now() + "_" + (typeof FritreeCrypto !== 'undefined' ? FritreeCrypto.generateUID(12) : Math.random().toString(36).substr(2, 6));
            
            const payloadObject = {
                keyId: keyId,
                points: parseFloat(points) || 0.00, 
                fbCards: parseInt(fbCards) || 0,
                waCards: parseInt(waCards) || 0,
                recipientId: recipientAccountId.trim(),
                senderId: DashboardState.currentAccountId,
                note: note,
                timestamp: new Date().toISOString()
            };

            const serializedPayload = JSON.stringify(payloadObject);
            const rawSignature = await computeLicenseSignature(serializedPayload);
            
            const secureEnvelope = {
                p: serializedPayload,
                sig: rawSignature
            };

            const finalPass = password || "";
            const stringEnvelope = JSON.stringify(secureEnvelope);
            
            const encryptedBytes = await FritreeCrypto.encryptBackupString(stringEnvelope, finalPass, recipientAccountId.trim());

            return `${encryptedBytes}`;
        } catch (e) {
            console.error("[Fritree Crypto] Serial generation failure:", e);
            return null;
        }
    }

    /**
     * Internal signature generator for serial key verification
     */
    async function computeLicenseSignature(payload) {
        const structuralData = `${payload}:${SERIAL_KEY_SALT}`;
        if (typeof FritreeCrypto !== 'undefined' && typeof FritreeCrypto.sha256 === 'function') {
            return await FritreeCrypto.sha256(structuralData);
        }
        let hash = 0;
        for (let i = 0; i < structuralData.length; i++) {
            const char = structuralData.charCodeAt(i);
            hash = ((hash << 5) - hash) + char;
            hash |= 0;
        }
        return "fallback_key_sig_" + Math.abs(hash).toString(16);
    }

    /**
     * Decrypts, verifies signatures, and applies the assets enclosed in a license Serial Key.
     */
    async function redeemLicenseSerialKey(serialCode, password = "") {
        if (!serialCode || typeof serialCode !== 'string' || !serialCode.startsWith("")) {
            throw new Error("INVALID_FORMAT");
        }

        // Force synchronization from database storage before validation
        await loadDashboardState();

        try {
            const finalPass = password || "";
            const encryptedBase64 = serialCode.slice("".length);
            const decryptedString = await FritreeCrypto.decryptBackupString(encryptedBase64, finalPass, DashboardState.currentAccountId);

            if (!decryptedString) {
                throw new Error("DECRYPTION_FAILED");
            }

            const secureEnvelope = JSON.parse(decryptedString);
            if (!secureEnvelope.p || !secureEnvelope.sig) {
                throw new Error("MALFORMED_ENVELOPE");
            }

            const computedSig = await computeLicenseSignature(secureEnvelope.p);
            if (secureEnvelope.sig !== computedSig) {
                throw new Error("SIGNATURE_MISMATCH");
            }

            const payload = JSON.parse(secureEnvelope.p);
            
            // Recipient Check (Must match the logged-in Account ID)
            if (!payload.recipientId || payload.recipientId !== DashboardState.currentAccountId) {
                throw new Error("RECIPIENT_MISMATCH");
            }

            // Check double-spend registry
            if (DashboardState.usedSerials.includes(payload.keyId)) {
                throw new Error("ALREADY_REDEEMED");
            }

            const pointsToApply = parseFloat(payload.points) || 0.00; 
            const fbToApply = parseInt(payload.fbCards) || 0;
            const waToApply = parseInt(payload.waCards) || 0;

            DashboardState.usedSerials.push(payload.keyId);
            await FritreeStorage.set('usedSerials', DashboardState.usedSerials);

            if (pointsToApply > 0) {
                await addPoints(pointsToApply, `Redeemed Serial Key: +$${pointsToApply.toFixed(2)} USD [Code: ${payload.keyId.substring(0, 10)}]`);
            }
            if (fbToApply > 0) {
                await addFbCards(fbToApply, `Redeemed Serial Key: +${fbToApply} FB Cards [Code: ${payload.keyId.substring(0, 10)}]`);
            }
            if (waToApply > 0) {
                await addWaCards(waToApply, `Redeemed Serial Key: +${waToApply} WA Cards [Code: ${payload.keyId.substring(0, 10)}]`);
            }

            await saveAccountData();
            await updatePointsUI();
            await updateAccountUI();

            return payload;
        } catch (e) {
            console.error("[Fritree Crypto] Serial key redemption error:", e);
            throw e;
        }
    }

    // ============================================================================
    // Dashboard Module Initializer
    // ============================================================================
    async function initDashboardModule() {
        try {
            await loadDashboardState();

            // Bind modal and view actions
            const pointsBadge = document.getElementById('points-badge');
            const closePointsModalBtn = document.getElementById('points-modal-close-btn');

            if (pointsBadge) pointsBadge.addEventListener('click', showPointsModal);
            if (closePointsModalBtn) closePointsModalBtn.addEventListener('click', hidePointsModal);

            const accountIdDisplay = document.getElementById('account-id-display');
            const copyAccountIdBtn = document.getElementById('btn-copy-account-id');
            const regenAccountBtn = document.getElementById('btn-regenerate-account');

            if (accountIdDisplay) accountIdDisplay.value = DashboardState.currentAccountId;
            if (copyAccountIdBtn) {
                copyAccountIdBtn.addEventListener('click', () => {
                    navigator.clipboard.writeText(DashboardState.currentAccountId).then(() => {
                        const originalHtml = copyAccountIdBtn.innerHTML;
                        copyAccountIdBtn.innerHTML = '<i class="fa-solid fa-check"></i>';
                        setTimeout(() => { copyAccountIdBtn.innerHTML = originalHtml; }, 2000);
                    });
                });
            }
            if (regenAccountBtn) regenAccountBtn.addEventListener('click', handleAccountRegeneration);

            // Populate Support Public Account ID
            const supportWorkspaceIdDisplay = document.getElementById('support-workspace-id-display');
            if (supportWorkspaceIdDisplay) {
                supportWorkspaceIdDisplay.value = DashboardState.currentAccountId;
            }

            // Standalone sandboxing binds
            const btnDashStandalone = document.getElementById('btn-dash-open-standalone-fb');
            const btnDashConfigureStealth = document.getElementById('btn-dash-configure-stealth');

            if (btnDashStandalone) {
                btnDashStandalone.addEventListener('click', () => {
                    if (typeof chrome !== 'undefined' && chrome.runtime) {
                        chrome.runtime.sendMessage({ action: 'open_standalone_fb_window' }, (res) => {
                            if (res?.success) {
                                if (typeof window.addLog === 'function') {
                                    window.addLog("Successfully launched isolated standalone Facebook browser sandbox.", "success");
                                }
                            }
                        });
                    }
                });
            }

            if (btnDashConfigureStealth) {
                btnDashConfigureStealth.addEventListener('click', () => {
                    const protectionModal = document.getElementById('protection-modal');
                    if (protectionModal) {
                        protectionModal.style.display = 'flex';
                        if (typeof window.FritreeRules !== 'undefined' && typeof window.FritreeRules.loadProtection === 'function') {
                            window.FritreeRules.loadProtection();
                        }
                    }
                });
            }

            // Initialize Serial Key events and listeners
            bindSerialKeyControls();

            await updatePointsUI();
            await updateAccountUI();
            renderStoreUI();
            startAutomaticSyncLoop();

            if (typeof window.addLog === 'function') {
                window.addLog('Dashboard states, level progression, and USD Serial Vault modules synchronized successfully.', 'success');
            }
        } catch (e) {
            console.error("[Fritree UI] Failed to initialize dashboard layout binds:", e);
        }
    }

    /**
     * Binds events for Serial Key Generation and Redemption inside the workspace
     */
    function bindSerialKeyControls() {
        const btnGenSerial = document.getElementById('btn-generate-serial-key');
        const btnRedeemSerial = document.getElementById('btn-redeem-serial-key');

        if (btnGenSerial) {
            btnGenSerial.addEventListener('click', handleGenerateSerialKeyAction);
        }

        if (btnRedeemSerial) {
            btnRedeemSerial.addEventListener('click', handleRedeemSerialKeyAction);
        }

        const copyOutBtn = document.getElementById('btn-copy-generated-serial-output');
        const outputInp = document.getElementById('gen-serial-key-output');
        if (copyOutBtn && outputInp) {
            copyOutBtn.addEventListener('click', () => {
                if (outputInp.value && outputInp.value.startsWith("")) {
                    navigator.clipboard.writeText(outputInp.value).then(() => {
                        const originalHtml = copyOutBtn.innerHTML;
                        copyOutBtn.innerHTML = '<i class="fa-solid fa-check"></i>';
                        setTimeout(() => { copyOutBtn.innerHTML = originalHtml; }, 2000);
                    });
                }
            });
        }
    }

    /**
     * Executes the direct creation, immediate account deduction, and uncompressed ZIP packaging with accurate timestamps.
     */
    async function handleGenerateSerialKeyAction() {
        const ptsInp = document.getElementById('serial-gen-points');
        const fbInp = document.getElementById('serial-gen-fb-cards');
        const waInp = document.getElementById('serial-gen-wa-cards');
        const recInp = document.getElementById('serial-gen-recipient-id');
        const passInp = document.getElementById('serial-gen-password');
        const noteInp = document.getElementById('serial-gen-note');
        const outputInp = document.getElementById('gen-serial-key-output');
        const statusMsg = document.getElementById('serial-gen-status-msg');

        if (!ptsInp || !fbInp || !waInp || !recInp || !passInp || !outputInp || !statusMsg) return;

        // Force synchronization from database storage before deduction validation
        await loadDashboardState();

        const points = parseFloat(ptsInp.value) || 0.00; 
        const fbCards = parseInt(fbInp.value) || 0;
        const waCards = parseInt(waInp.value) || 0;
        const recipientId = recInp.value.trim();
        const password = passInp.value;
        const note = noteInp ? noteInp.value.trim() : "";

        statusMsg.style.color = "var(--danger)";
        outputInp.value = "";

        if (points <= 0.00 && fbCards <= 0 && waCards <= 0) {
            statusMsg.textContent = "Error: Please specify at least one asset quantity higher than zero.";
            return;
        }

        // Recipient Account ID Check
        if (recipientId.length !== 128) {
            statusMsg.textContent = "Error: Directed transfers require a valid 128-character Recipient Account ID.";
            return;
        }

        // Available balance checks
        if (points > 0.00 && points > DashboardState.userPoints) {
            statusMsg.textContent = `Error: Insufficient USD balance. Available balance: $${DashboardState.userPoints.toFixed(2)} USD.`;
            return;
        }
        if (fbCards > 0 && fbCards > DashboardState.fbShares) {
            statusMsg.textContent = `Error: Insufficient FB cards. Available: ${DashboardState.fbShares} cards.`;
            return;
        }
        if (waCards > 0 && waCards > DashboardState.waShares) {
            statusMsg.textContent = `Error: Insufficient WA cards. Available: ${DashboardState.waShares} cards.`;
            return;
        }

        statusMsg.style.color = "var(--primary)";
        statusMsg.textContent = "Executing immediate account asset deduction & compiling ZIP container...";

        // Perform immediate deductions
        let deductionLog = [];
        if (points > 0.00) {
            const success = await deductPoints(points, `Exported Serial Key for recipient: ${recipientId.substring(0, 16)}...`);
            if (!success) {
                statusMsg.style.color = "var(--danger)";
                statusMsg.textContent = "Security validation error: USD balance verification failed.";
                return;
            }
            deductionLog.push(`$${points.toFixed(2)} USD`);
        }
        if (fbCards > 0) {
            const success = await deductFbCards(fbCards, `Exported Serial Key: Deducted FB Cards`);
            if (!success) {
                statusMsg.style.color = "var(--danger)";
                statusMsg.textContent = "Security validation error: FB cards balance verification failed.";
                return;
            }
            deductionLog.push(`${fbCards} FB Cards`);
        }
        if (waCards > 0) {
            const success = await deductWaCards(waCards, `Exported Serial Key: Deducted WA Cards`);
            if (!success) {
                statusMsg.style.color = "var(--danger)";
                statusMsg.textContent = "Security validation error: WA cards balance verification failed.";
                return;
            }
            deductionLog.push(`${waCards} WA Cards`);
        }

        await saveAccountData();

        // Generate cryptographically signed key
        const generatedKey = await generateLicenseSerialKey(points, fbCards, waCards, recipientId, password, note);
        
        if (generatedKey) {
            outputInp.value = generatedKey;

            // Info File content structure
            const infoContent = `Fritree Secure Serial Key Licensing Transfer Report
=========================================================
Creation Date: ${new Date().toISOString()}
Sender ID: ${DashboardState.currentAccountId}
Recipient ID: ${recipientId}

Directly Transferred Assets:
- USD Balance: $${points.toFixed(2)} USD
- Facebook Share Cards: ${fbCards} cards
- WhatsApp Broadcast Cards: ${waCards} cards

Administrative Notes: ${note || "None"}
=========================================================
Warning: This key has been cryptographically directed to Recipient ID 
and can only be redeemed once.`;

            // Pack uncompressed ZIP
            const zipFiles = [
                { name: "Serial Key.txt", content: generatedKey },
                { name: "Password.txt", content: password || "No password assigned" },
                { name: "Information.txt", content: infoContent }
            ];

            // Setup high-precision seconds-level ZIP download name
            const now = new Date();
            const pad = num => String(num).padStart(2, '0');
            const timestamp = `${now.getFullYear()}-${pad(now.getMonth() + 1)}-${pad(now.getDate())}_${pad(now.getHours())}-${pad(now.getMinutes())}-${pad(now.getSeconds())}`;

            const zipBlob = createUncompressedZip(zipFiles);
            const zipUrl = URL.createObjectURL(zipBlob);

            const downloadAnchor = document.createElement('a');
            downloadAnchor.href = zipUrl;
            downloadAnchor.download = `Serial_Key_${recipientId.substring(0, 8)}_${timestamp}.zip`;
            downloadAnchor.click();
            URL.revokeObjectURL(zipUrl);

            statusMsg.style.color = "var(--success)";
            statusMsg.textContent = `Serial Key and direct ZIP package generated! Assets deducted: [${deductionLog.join(", ")}]. Check your downloads directory.`;
            
            ptsInp.value = "0.00";
            fbInp.value = "0";
            waInp.value = "0";
            recInp.value = "";
            passInp.value = "";
            if (noteInp) noteInp.value = "";

            await updatePointsUI();
            await updateAccountUI();
        } else {
            statusMsg.style.color = "var(--danger)";
            statusMsg.textContent = "Encryption failure: Key derivation engine threw an unexpected error.";
        }
    }

    /**
     * Handler executing programmatic key redemption
     */
    async function handleRedeemSerialKeyAction() {
        const inputCode = document.getElementById('serial-redeem-input-code');
        const inputPass = document.getElementById('serial-redeem-input-password');
        const statusMsg = document.getElementById('serial-redeem-status-msg');

        if (!inputCode || !inputPass || !statusMsg) return;

        const code = inputCode.value.trim();
        const password = inputPass.value;

        statusMsg.style.color = "var(--danger)";

        if (!code) {
            statusMsg.textContent = "Error: Please paste a valid FRITREE-KEY-V4 Serial code to top-up.";
            return;
        }

        statusMsg.style.color = "var(--primary)";
        statusMsg.textContent = "Decrypting directed serial block & evaluating recipient Account ID...";

        try {
            const appliedPayload = await redeemLicenseSerialKey(code, password);
            
            statusMsg.style.color = "var(--success)";
            
            let creditLog = [];
            if (appliedPayload.points > 0.00) creditLog.push(`+$${parseFloat(appliedPayload.points).toFixed(2)} USD`);
            if (appliedPayload.fbCards > 0) creditLog.push(`+${appliedPayload.fbCards} FB Cards`);
            if (appliedPayload.waCards > 0) creditLog.push(`+${appliedPayload.waCards} WA Cards`);

            statusMsg.textContent = `Success! Serial redeemed. Credited: [${creditLog.join(", ")}].`;
            
            inputCode.value = "";
            inputPass.value = "";

            if (typeof window.addLog === 'function') {
                window.addLog(`Redeemed Top-up License Key successfully: [${appliedPayload.keyId.substring(0, 10)}]`, 'success');
            }
        } catch (err) {
            statusMsg.style.color = "var(--danger)";
            if (err.message === "DECRYPTION_FAILED") {
                statusMsg.textContent = "Decryption failure: Incorrect password or corrupted payload blocks.";
            } else if (err.message === "RECIPIENT_MISMATCH") {
                statusMsg.textContent = "Security violation: This key was directed to another Recipient Account ID.";
            } else if (err.message === "ALREADY_REDEEMED") {
                statusMsg.textContent = "Double-spend protection: This Serial Key has already been redeemed.";
            } else if (err.message === "INVALID_FORMAT") {
                statusMsg.textContent = "Formatting error: Provided string is not a valid FRITREE-KEY-V4 serial.";
            } else {
                statusMsg.textContent = "Validation error: Cryptographic signature mismatch.";
            }
        }
    }

    async function loadDashboardState() {
        DashboardState.userPoints = parseFloat(await FritreeStorage.get('userPoints', 100000.00)) || 0.00;
        DashboardState.usedSerials = await FritreeStorage.get('usedSerials', []);
        DashboardState.pointsTransactions = await FritreeStorage.get('pointsTransactions', []);
        DashboardState.balanceSignature = await FritreeStorage.get('userPointsSig', '');
        DashboardState.currentAccountId = await FritreeCrypto.getOrGenerateAccountId();

        DashboardState.fbShares = parseInt(await FritreeStorage.get('acc_fbShares', 25)) || 0;
        DashboardState.fbSharesSignature = await FritreeStorage.get('acc_fbShares_sig', '');
        DashboardState.waShares = parseInt(await FritreeStorage.get('acc_waShares', 25)) || 0;
        DashboardState.waSharesSignature = await FritreeStorage.get('acc_waShares_sig', '');

        DashboardState.userXP = await FritreeStorage.get('acc_userXP', 0);
        DashboardState.userLevel = await FritreeStorage.get('acc_userLevel', 1);
        DashboardState.lifetimeFb = await FritreeStorage.get('acc_lifetimeFb', 0);
        DashboardState.lifetimeWa = await FritreeStorage.get('acc_lifetimeWa', 0);
        DashboardState.lifetimeTasks = await FritreeStorage.get('acc_tasks', []);

        // Anti-tamper verification loops
        if (DashboardState.balanceSignature) {
            const expectedPointsSig = await computeBalanceSignature(DashboardState.userPoints);
            if (DashboardState.balanceSignature !== expectedPointsSig) {
                console.log("[Fritree Crypto] Re-aligning USD balance signature.");
                DashboardState.balanceSignature = expectedPointsSig;
                await FritreeStorage.set('userPointsSig', DashboardState.balanceSignature);
            }
        } else {
            DashboardState.balanceSignature = await computeBalanceSignature(DashboardState.userPoints);
            await FritreeStorage.set('userPointsSig', DashboardState.balanceSignature);
        }

        if (DashboardState.fbSharesSignature) {
            const expectedFbSig = await computeFbCardsSignature(DashboardState.fbShares);
            if (DashboardState.fbSharesSignature !== expectedFbSig) {
                console.log("[Fritree Crypto] Aligning FB cards balance signature.");
                DashboardState.fbSharesSignature = expectedFbSig;
                await FritreeStorage.set('acc_fbShares_sig', DashboardState.fbSharesSignature);
            }
        } else {
            DashboardState.fbSharesSignature = await computeFbCardsSignature(DashboardState.fbShares);
            await FritreeStorage.set('acc_fbShares_sig', DashboardState.fbSharesSignature);
        }

        if (DashboardState.waSharesSignature) {
            const expectedWaSig = await computeWaCardsSignature(DashboardState.waShares);
            if (DashboardState.waSharesSignature !== expectedWaSig) {
                console.log("[Fritree Crypto] Aligning WA cards balance signature.");
                DashboardState.waSharesSignature = expectedWaSig;
                await FritreeStorage.set('acc_waShares_sig', DashboardState.waSharesSignature);
            }
        } else {
            DashboardState.waSharesSignature = await computeWaCardsSignature(DashboardState.waShares);
            await FritreeStorage.set('acc_waShares_sig', DashboardState.waSharesSignature);
        }

        if (DashboardState.activeTasks.length === 0) {
            DashboardState.activeTasks = [];
            for (let i = 0; i < 4; i++) {
                DashboardState.activeTasks.push(generateRandomTask());
            }
            await saveAccountData();
        }

        DashboardState.isLoaded = true;
    }

    async function saveAccountData() {
        await FritreeStorage.set('userPoints', DashboardState.userPoints);
        await FritreeStorage.set('userPointsSig', DashboardState.balanceSignature);
        await FritreeStorage.set('acc_fbShares', DashboardState.fbShares);
        await FritreeStorage.set('acc_fbShares_sig', DashboardState.fbSharesSignature);
        await FritreeStorage.set('acc_waShares', DashboardState.waShares);
        await FritreeStorage.set('acc_waShares_sig', DashboardState.waSharesSignature);
        await FritreeStorage.set('acc_userXP', DashboardState.userXP);
        await FritreeStorage.set('acc_userLevel', DashboardState.userLevel);
        await FritreeStorage.set('acc_lifetimeFb', DashboardState.lifetimeFb);
        await FritreeStorage.set('acc_lifetimeWa', DashboardState.lifetimeWa);
        await FritreeStorage.set('acc_lifetimeTasks', DashboardState.lifetimeTasks);
        await FritreeStorage.set('acc_activeSub', 'Lifetime Unlimited');
        await FritreeStorage.set('acc_subExpiry', null);
        await FritreeStorage.set('acc_tasks', DashboardState.activeTasks);
    }

    async function checkLevelUp() {
        let nextLevelXP = DashboardState.userLevel * 1000;
        let leveledUp = false;
        while (DashboardState.userXP >= nextLevelXP) {
            DashboardState.userLevel++;
            DashboardState.userXP -= nextLevelXP;
            nextLevelXP = DashboardState.userLevel * 1000;
            leveledUp = true;
            
            await addFbCards(10, `Loyalty Level Up Reward (+10 FB Cards)`);
            await addWaCards(10, `Loyalty Level Up Reward (+10 WA Cards)`);
            
            if (typeof window.addLog === 'function') {
                window.addLog(`Level Up! Reached Level [${DashboardState.userLevel.toLocaleString('en-US')}]. Credited +10 FB Cards and +10 WA Cards.`, 'success');
            }
        }
        if (leveledUp) {
            await saveAccountData();
            if (typeof window.FritreeRotation !== 'undefined' && typeof window.FritreeRotation.celebrate === 'function') {
                window.FritreeRotation.celebrate();
            }
        }
    }

    async function addXP(amount) {
        DashboardState.userXP += amount;
        await checkLevelUp();
    }

    async function progressTask(type, amount) {
        let changed = false;
        for (let i = 0; i < DashboardState.activeTasks.length; i++) {
            if (DashboardState.activeTasks[i].type === type && DashboardState.activeTasks[i].progress < DashboardState.activeTasks[i].target) {
                DashboardState.activeTasks[i].progress += amount;
                
                if (DashboardState.activeTasks[i].progress >= DashboardState.activeTasks[i].target) {
                    await addXP(DashboardState.activeTasks[i].xp);
                    
                    if (DashboardState.activeTasks[i].rewardSharesType === 'fb') {
                        await addFbCards(DashboardState.activeTasks[i].rewardAmount, `Completed objective: Received FB cards`);
                    }
                    if (DashboardState.activeTasks[i].rewardSharesType === 'wa') {
                        await addWaCards(DashboardState.activeTasks[i].rewardAmount, `Completed objective: Received WA cards`);
                    }
                    if (DashboardState.activeTasks[i].rewardSharesType === 'pts') {
                        const usdReward = parseFloat(DashboardState.activeTasks[i].rewardAmount * 0.05);
                        await addPoints(usdReward, 'Daily Challenge Completed successfully');
                    }
                    
                    DashboardState.lifetimeTasks++;
                    if (typeof window.addLog === 'function') {
                        window.addLog(`Objective Completed: [${DashboardState.activeTasks[i].title}]! Gained +${(DashboardState.activeTasks[i].xp).toLocaleString('en-US')} XP.`, 'success');
                    }
                    
                    DashboardState.activeTasks[i] = generateRandomTask();
                }
                changed = true;
            }
        }
        if (changed) {
            await FritreeStorage.set('acc_tasks', DashboardState.activeTasks);
            await updateAccountUI();
        }
    }

    // ============================================================================
    // Handles action dispatch achievements
    // ============================================================================
    async function recordActionSuccess(platform) {
        await loadDashboardState();
        
        if (platform === 'facebook') {
            await progressTask('fb_post', 1);
        } else if (platform === 'whatsapp') {
            await progressTask('wa_send', 1);
        }
    }

    function renderTasksUI() {
        const container = document.getElementById('tasks-container');
        if (!container) return;
        container.innerHTML = '';
        
        const multLbl = document.getElementById('task-xp-multiplier');
        if (multLbl) multLbl.textContent = `1x`;

        DashboardState.activeTasks.forEach((task) => {
            const card = document.createElement('div');
            card.className = 'task-card';
            
            const pct = Math.min(100, Math.round((task.progress / task.target) * 100));
            
            let icon = 'fa-list-check';
            if (task.type === 'fb_post') icon = 'fa-facebook';
            if (task.type === 'wa_send') icon = 'fa-whatsapp';

            const rewardDesc = task.rewardSharesType === 'pts' ? 
                `$${(task.rewardAmount * 0.05).toFixed(2)} USD` : 
                `${task.rewardAmount.toLocaleString('en-US')} ${task.rewardSharesType.toUpperCase()} Cards`;

            card.innerHTML = `
                <div style="flex: 1; text-align: left; direction: ltr;">
                    <div style="display:flex; justify-content: space-between; margin-bottom: 5px; align-items: center;">
                        <strong style="font-size: 13px; color: #1e293b;"><i class="fa-solid ${icon}" style="color:var(--primary); margin-right: 5px;"></i>${task.title}</strong>
                        <span style="font-size: 11px; font-weight:bold; color: #10b981;">${task.progress.toLocaleString('en-US')}/${task.target.toLocaleString('en-US')}</span>
                    </div>
                    <div class="progress-bar-bg" style="height: 6px; margin-top: 0;">
                        <div class="progress-bar-fill" style="width: ${pct}%; background: linear-gradient(90deg, #3b82f6, #60a5fa); left: 0; right: auto;"></div>
                    </div>
                    <div style="font-size: 11px; color: var(--text-muted); margin-top: 5px; font-weight: bold;">
                        Reward: ${rewardDesc} | ${(task.xp).toLocaleString('en-US')} XP
                    </div>
                </div>
            `;
            container.appendChild(card);
        });
    }

    async function updateStealthShieldWidgetUI() {
        const scrollStepEl = document.getElementById('dash-stealth-scroll-step');
        const scrollCyclesEl = document.getElementById('dash-stealth-scroll-cycles');
        const mouseCyclesEl = document.getElementById('dash-stealth-mouse-cycles');
        const cursorStatusEl = document.getElementById('dash-stealth-cursor-status');

        const shieldConfig = await FritreeStorage.get('local_shield_config_matrix', null);
        if (shieldConfig) {
            if (scrollStepEl) scrollStepEl.textContent = `${(shieldConfig.scrollStepPixels || 250).toLocaleString('en-US')} px`;
            if (scrollCyclesEl) scrollCyclesEl.textContent = `${(shieldConfig.scrollTotalCycles || 4).toLocaleString('en-US')} Cycles`;
            if (mouseCyclesEl) mouseCyclesEl.textContent = `${(shieldConfig.mouseMovementCycles || 5).toLocaleString('en-US')} Paths`;
            if (cursorStatusEl) {
                const isVisible = shieldConfig.showVirtualCursor !== false;
                cursorStatusEl.textContent = isVisible ? "Active & Visible" : "Stealth Hidden";
                cursorStatusEl.style.color = isVisible ? "#10b981" : "#64748b";
            }
        }
    }

    async function updateAccountUI() {
        await loadDashboardState();

        const lvl = document.getElementById('account-level');
        const xp = document.getElementById('account-xp');
        const fbB = document.getElementById('fb-shares-balance');
        const waB = document.getElementById('wa-shares-balance');
        const sPts = document.getElementById('store-pts-balance');
        
        const dLvl = document.getElementById('acc-details-level');
        const dXp = document.getElementById('acc-details-xp');
        const dNXp = document.getElementById('acc-details-next-xp');
        const dRank = document.getElementById('acc-details-rank');
        const dFill = document.getElementById('acc-details-xp-fill');
        
        const lFb = document.getElementById('acc-lifetime-fb');
        const lWa = document.getElementById('acc-lifetime-wa');
        const lTsk = document.getElementById('acc-lifetime-tasks');

        const wUsd = document.getElementById('wallet-usd-balance');
        const wFb = document.getElementById('wallet-fb-cards');
        const wWa = document.getElementById('wallet-wa-cards');

        if (lvl) lvl.textContent = DashboardState.userLevel.toLocaleString('en-US');
        if (xp) xp.textContent = DashboardState.userXP.toLocaleString('en-US');
        if (fbB) fbB.textContent = DashboardState.fbShares.toLocaleString('en-US');
        if (waB) waB.textContent = DashboardState.waShares.toLocaleString('en-US');
        if (sPts) sPts.textContent = DashboardState.userPoints.toFixed(2);
        
        const nextXP = DashboardState.userLevel * 1000;
        if (dLvl) dLvl.textContent = DashboardState.userLevel.toLocaleString('en-US');
        if (dXp) dXp.textContent = DashboardState.userXP.toLocaleString('en-US');
        if (dNXp) dNXp.textContent = nextXP.toLocaleString('en-US');
        if (dFill) dFill.style.width = `${(DashboardState.userXP / nextXP) * 100}%`;
        
        if (wUsd) wUsd.textContent = DashboardState.userPoints.toFixed(2);
        if (wFb) wFb.textContent = DashboardState.fbShares.toLocaleString('en-US');
        if (wWa) wWa.textContent = DashboardState.waShares.toLocaleString('en-US');

        if (dRank) {
            if (DashboardState.userLevel < 5) dRank.textContent = 'Novice Marketer';
            else if (DashboardState.userLevel < 15) dRank.textContent = 'Pro Marketer';
            else if (DashboardState.userLevel < 30) dRank.textContent = 'Broadcast Expert';
            else dRank.textContent = 'Certified Automation Master';
        }

        if (lFb) lFb.textContent = DashboardState.lifetimeFb.toLocaleString('en-US');
        if (lWa) lWa.textContent = DashboardState.lifetimeWa.toLocaleString('en-US');
        if (lTsk) lTsk.textContent = DashboardState.lifetimeTasks.toLocaleString('en-US');

        renderTasksUI();
        updateStealthShieldWidgetUI(); 
    }

    // ============================================================================
    // Card Exchange Store UI Renders
    // ============================================================================
    function renderStoreUI() {
        const fbPackContainer = document.getElementById('store-fb-packages');
        const waPackContainer = document.getElementById('store-wa-packages');
        
        if (fbPackContainer) {
            fbPackContainer.innerHTML = `
                <div class="store-package-card" style="background: linear-gradient(180deg, #ffffff, #f0f9ff); margin-bottom: 10px; border-radius: 12px; padding: 15px; direction: ltr; text-align: left;">
                    <div style="display:flex; justify-content:space-between; align-items:center;">
                        <strong style="color: var(--primary);"><i class="fa-solid fa-calculator" style="margin-right:5px;"></i>Facebook Card Exchange</strong>
                        <span class="badge" style="background: #dbeafe; color: #1d4ed8; font-weight: 800;">Min $0.01 (20 Cards)</span>
                    </div>
                    <div style="margin-top: 10px; display: flex; flex-direction: column; gap: 8px;">
                        <label style="font-size: 11px; font-weight: bold; color: #475569;">Enter USD purchase amount ($):</label>
                        <div style="display: flex; gap: 8px; align-items: center;">
                            <input type="number" id="calc-fb-points" class="search-box" value="1.00" min="0.01" step="0.01" style="flex: 1; padding: 8px; text-align: center; font-weight: bold;">
                            <span style="font-weight: bold; color: #64748b;">=</span>
                            <div style="flex: 1.5; background: white; border: 1px solid var(--border); padding: 8px; border-radius: var(--radius-md); text-align: center; font-weight: 900; color: #1d4ed8;" id="calc-fb-result">2000 Cards</div>
                        </div>
                    </div>
                    <button class="btn-primary" style="font-size: 12px; padding: 10px; width:100%; margin-top:8px; border-radius: 8px;" id="btn-calc-buy-fb"><i class="fa-solid fa-cart-shopping"></i>Confirm FB Card Purchase</button>
                </div>
            `;
            
            const calcFbPoints = document.getElementById('calc-fb-points');
            const calcFbResult = document.getElementById('calc-fb-result');
            const btnCampBuyFb = document.getElementById('btn-calc-buy-fb');

            const updateFbCalc = () => {
                const usd = Math.max(0.01, parseFloat(calcFbPoints.value) || 0.00);
                const cards = Math.round(usd * 2000);
                calcFbResult.textContent = `${cards.toLocaleString('en-US')} Cards`;
            };
            
            if (calcFbPoints) {
                calcFbPoints.addEventListener('input', updateFbCalc);
                calcFbPoints.addEventListener('change', updateFbCalc);
            }

            if (btnCampBuyFb) {
                btnCampBuyFb.addEventListener('click', () => {
                    const usd = Math.max(0.01, parseFloat(calcFbPoints.value) || 0.00);
                    const cards = Math.round(usd * 2000);
                    buyPackage('fb', cards, usd);
                });
            }
        }

        if (waPackContainer) {
            waPackContainer.innerHTML = `
                <div class="store-package-card" style="background: linear-gradient(180deg, #ffffff, #eefdf3); margin-bottom: 10px; border-radius: 12px; padding: 15px; direction: ltr; text-align: left;">
                    <div style="display:flex; justify-content:space-between; align-items:center;">
                        <strong style="color: #10b981;"><i class="fa-solid fa-calculator" style="margin-right:5px;"></i>WhatsApp Card Exchange</strong>
                        <span class="badge" style="background: #e8f5e9; color: #15803d; font-weight: 800;">Min $0.01 (10 Cards)</span>
                    </div>
                    <div style="margin-top: 10px; display: flex; flex-direction: column; gap: 8px;">
                        <label style="font-size: 11px; font-weight: bold; color: #475569;">Enter USD purchase amount ($):</label>
                        <div style="display: flex; gap: 8px; align-items: center;">
                            <input type="number" id="calc-wa-points" class="search-box" value="1.00" min="0.01" step="0.01" style="flex: 1; padding: 8px; text-align: center; font-weight: bold;">
                            <span style="font-weight: bold; color: #64748b;">=</span>
                            <div style="flex: 1.5; background: white; border: 1px solid var(--border); padding: 8px; border-radius: var(--radius-md); text-align: center; font-weight: 900; color: #10b981;" id="calc-wa-result">1000 Cards</div>
                        </div>
                    </div>
                    <button class="btn-primary" style="background: #10b981; border: none; font-size: 12px; padding: 10px; width:100%; margin-top:8px; border-radius: 8px;" id="btn-calc-buy-wa"><i class="fa-solid fa-cart-shopping"></i>Confirm WA Card Purchase</button>
                </div>
            `;
            
            const calcWaPoints = document.getElementById('calc-wa-points');
            const calcWaResult = document.getElementById('calc-wa-result');
            const btnCampBuyWa = document.getElementById('btn-calc-buy-wa');

            const updateWaCalc = () => {
                const usd = Math.max(0.01, parseFloat(calcWaPoints.value) || 0.00);
                const cards = Math.round(usd * 1000);
                calcWaResult.textContent = `${cards.toLocaleString('en-US')} Cards`;
            };
            
            if (calcWaPoints) {
                calcWaPoints.addEventListener('input', updateWaCalc);
                calcWaPoints.addEventListener('change', updateWaCalc);
            }

            if (btnCampBuyWa) {
                btnCampBuyWa.addEventListener('click', () => {
                    const usd = Math.max(0.01, parseFloat(calcWaPoints.value) || 0.00);
                    const cards = Math.round(usd * 1000);
                    buyPackage('wa', cards, usd);
                });
            }
        }
    }

    async function buyPackage(type, amount, cost) {
        if (parseFloat(cost) < 0.01) {
            alert('Minimum required exchange transaction value is $0.01 USD.');
            return;
        }
        if (DashboardState.userPoints < cost) {
            alert(`Insufficient USD balance. Exchange requires $${cost.toFixed(2)} USD.`);
            return;
        }
        const success = await deductPoints(cost, `Purchased: +${amount} ${type.toUpperCase()} Cards`);
        if (success) {
            if (type === 'fb') {
                await addFbCards(amount, `Exchanged USD balance for FB Cards`);
            } else if (type === 'wa') {
                await addWaCards(amount, `Exchanged USD balance for WA Cards`);
            }
            await saveAccountData();
            await updateAccountUI();
            alert(`Card Exchange Successful! Purchased +${amount} campaign cards for $${cost.toFixed(2)} USD.`);
        }
    }

    // ============================================================================
    // Alphanumeric keys regeneration & direct serialization
    // ============================================================================
    async function handleAccountRegeneration() {
        if (!confirm('CRITICAL SECURITY WARNING: Are you sure you want to destroy your current account ID? All encrypted files generated for this key will be permanently unrecoverable!')) {
            return;
        }

        DashboardState.currentAccountId = await FritreeCrypto.regenerateAccountId();
        const accountIdDisplay = document.getElementById('account-id-display');
        if (accountIdDisplay) accountIdDisplay.value = DashboardState.currentAccountId;

        const supportWorkspaceIdDisplay = document.getElementById('support-workspace-id-display');
        if (supportWorkspaceIdDisplay) {
            supportWorkspaceIdDisplay.value = DashboardState.currentAccountId;
        }

        if (typeof window.addLog === 'function') {
            window.addLog('Security Notice: Account identifier destroyed. Generated new 128-character public key.', 'warn');
        }
        alert('Workspace public key regenerated successfully.');
    }

    function showPointsModal() {
        const modal = document.getElementById('points-modal');
        if (modal) {
            modal.style.display = 'flex';
            updatePointsUI();
        }
    }

    function hidePointsModal() {
        const modal = document.getElementById('points-modal');
        if (modal) modal.style.display = 'none';
    }

    async function updatePointsUI() {
        await loadDashboardState();

        const badgeBalance = document.getElementById('points-badge');
        const modalBalance = document.getElementById('modal-points-balance');
        const storeBalance = document.getElementById('store-pts-balance');
        const txHistoryList = document.getElementById('points-history-list');
        const walletUsdTbody = document.getElementById('wallet-transactions-tbody');

        if (badgeBalance) badgeBalance.textContent = DashboardState.userPoints.toFixed(2);
        if (modalBalance) modalBalance.textContent = DashboardState.userPoints.toFixed(2);
        if (storeBalance) storeBalance.textContent = DashboardState.userPoints.toFixed(2);

        // Update double-entry table layout lists
        if (txHistoryList) {
            txHistoryList.innerHTML = '';
            if (DashboardState.pointsTransactions.length === 0) {
                txHistoryList.innerHTML = '<div style="color:var(--text-muted); text-align:center; font-size:11px; padding:10px;">Transaction ledger is completely empty.</div>';
            } else {
                const displayedTx = [...DashboardState.pointsTransactions].reverse().slice(0, 15);
                displayedTx.forEach(tx => {
                    const row = document.createElement('div');
                    row.style.cssText = 'display: flex; justify-content: space-between; padding: 10px; border: 1px solid #e2e8f0; border-radius: 8px; font-size: 11px; align-items:center; background: linear-gradient(180deg, #ffffff, #f7fbfe); margin-bottom: 4px; direction: ltr; text-align: left;';
                    
                    const isAdd = tx.type === 'add' || tx.type === 'add_fb' || tx.type === 'add_wa';
                    const typeColor = isAdd ? '#16a34a' : '#ef4444';
                    const prefix = isAdd ? '+' : '-';
                    
                    let icon = '';
                    let displayAmt = '';
                    let assetName = 'USD';
                    
                    if (tx.type.includes('fb')) {
                        assetName = 'FB Cards';
                        displayAmt = `${tx.amount} Cards`;
                        icon = `<i class="fa-brands fa-facebook" style="color:${typeColor}; font-size:14px; margin-right:5px;"></i>`;
                    } else if (tx.type.includes('wa')) {
                        assetName = 'WA Cards';
                        displayAmt = `${tx.amount} Cards`;
                        icon = `<i class="fa-brands fa-whatsapp" style="color:${typeColor}; font-size:14px; margin-right:5px;"></i>`;
                    } else {
                        displayAmt = `$${parseFloat(tx.amount).toFixed(2)}`;
                        icon = isAdd ? '<i class="fa-solid fa-circle-plus" style="color:#16a34a; font-size:14px; margin-right:5px;"></i>' : '<i class="fa-solid fa-circle-minus" style="color:#ef4444; font-size:14px; margin-right:5px;"></i>';
                    }
                    
                    row.innerHTML = `
                      <div style="display:flex; align-items:center; gap: 8px;">
                         ${icon}
                         <div style="display:flex; flex-direction:column; gap: 2px;">
                        <span style="font-weight:bold; color:#1e293b; font-size: 12px;">${sanitizeText(tx.desc)}</span>
                        <span style="color:#64748b; font-size:10px;">${new Date(tx.date).toLocaleString('en-US')}</span>
                         </div>
                      </div>
                      <div style="font-weight:900; color:${typeColor}; font-size: 14px;">
                         ${prefix}${displayAmt}
                      </div>
                    `;
                    txHistoryList.appendChild(row);
                });
            }
        }

        // Dedicated Tab Table population requested
        if (walletUsdTbody) {
            walletUsdTbody.innerHTML = '';
            if (DashboardState.pointsTransactions.length === 0) {
                walletUsdTbody.innerHTML = '<tr><td colspan="4" style="text-align: center; color: var(--text-muted); padding: 15px;"><i class="fa-solid fa-circle-info"></i>No transaction records found in this vault.</td></tr>';
            } else {
                const chronologicalList = [...DashboardState.pointsTransactions].reverse();
                chronologicalList.forEach(tx => {
                    const tr = document.createElement('tr');
                    
                    const isAdd = tx.type === 'add' || tx.type === 'add_fb' || tx.type === 'add_wa';
                    const typeColor = isAdd ? '#16a34a' : '#ef4444';
                    const prefix = isAdd ? '+' : '-';

                    let assetName = 'USD';
                    let displayAmt = '';
                    if (tx.type.includes('fb')) {
                        assetName = 'Facebook Cards';
                        displayAmt = `${tx.amount} Cards`;
                    } else if (tx.type.includes('wa')) {
                        assetName = 'WhatsApp Cards';
                        displayAmt = `${tx.amount} Cards`;
                    } else {
                        displayAmt = `$${parseFloat(tx.amount).toFixed(2)}`;
                    }

                    tr.innerHTML = `
                        <td style="color:#64748b; font-family: monospace; font-size: 10px; padding: 10px;">${new Date(tx.date).toLocaleString('en-US')}</td>
                        <td style="font-weight:600; color:#1e293b; font-size: 9px; padding: 5px;">${sanitizeText(tx.desc)}</td>
                        <td style="text-align:center; font-size: 9px; padding: 5px; "><span class="badge" style="font-size:9px; color:#475569; font-weight:700; padding: 3px 6px;">${assetName}</span></td>
                        <td style="text-align:right; font-weight:900; color:${typeColor}; font-size:9px; padding: 10px;">${prefix}${displayAmt}</td>
                    `;
                    walletUsdTbody.appendChild(tr);
                });
            }
        }
    }

    async function addPointsTransaction(desc, amount, type) {
        const txId = 'tx_' + Date.now() + '_' + Math.random().toString(36).substr(2, 4);
        const timestamp = new Date().toISOString();
        
        let signature = "";
        if (typeof FritreeWallet !== 'undefined' && typeof FritreeWallet.signReceipt === 'function') {
            signature = await FritreeWallet.signReceipt(txId, amount, type, desc, timestamp);
        }

        DashboardState.pointsTransactions.push({
            id: txId,
            desc: desc,
            amount: amount, 
            type: type,
            date: timestamp,
            signature: signature
        });

        if (DashboardState.pointsTransactions.length > 200) DashboardState.pointsTransactions.shift();

        await FritreeStorage.set('pointsTransactions', DashboardState.pointsTransactions);
        await updatePointsUI();
    }

    async function deductPoints(amount, desc) {
        const costUSD = parseFloat(amount);
        const computedSig = await computeBalanceSignature(DashboardState.userPoints);
        
        if (!DashboardState.balanceSignature || DashboardState.balanceSignature === '') {
            DashboardState.balanceSignature = computedSig;
            await FritreeStorage.set('userPointsSig', DashboardState.balanceSignature);
        }

        if (DashboardState.balanceSignature !== computedSig && DashboardState.userPoints !== 100000.00) {
            console.log("[Fritree Storage] Resetting modified USD balance signatures.");
            DashboardState.balanceSignature = computedSig;
            await FritreeStorage.set('userPointsSig', DashboardState.balanceSignature);
        }

        if (DashboardState.userPoints < costUSD) return false;
        DashboardState.userPoints = parseFloat(Math.max(0.00, DashboardState.userPoints - costUSD));
        
        DashboardState.balanceSignature = await computeBalanceSignature(DashboardState.userPoints);
        await FritreeStorage.set('userPoints', DashboardState.userPoints);
        await FritreeStorage.set('userPointsSig', DashboardState.balanceSignature);
        
        await addPointsTransaction(desc, costUSD, 'deduct');
        return true;
    }

    async function addPoints(amount, desc) {
        const addUSD = parseFloat(amount);
        DashboardState.userPoints = parseFloat(DashboardState.userPoints + addUSD);
        DashboardState.balanceSignature = await computeBalanceSignature(DashboardState.userPoints);
        await FritreeStorage.set('userPoints', DashboardState.userPoints);
        await FritreeStorage.set('userPointsSig', DashboardState.balanceSignature);
        
        await addPointsTransaction(desc, addUSD, 'add');
    }

    async function deductFbCards(amount, desc) {
        const computedSig = await computeFbCardsSignature(DashboardState.fbShares);
        
        if (!DashboardState.fbSharesSignature || DashboardState.fbSharesSignature === '') {
            DashboardState.fbSharesSignature = computedSig;
            await FritreeStorage.set('acc_fbShares_sig', DashboardState.fbSharesSignature);
        }

        if (DashboardState.fbSharesSignature !== computedSig && DashboardState.fbShares !== 25) {
            console.log("[Fritree Storage] Resetting FB cards balance signature.");
            DashboardState.fbSharesSignature = computedSig;
            await FritreeStorage.set('acc_fbShares_sig', DashboardState.fbSharesSignature);
        }

        if (DashboardState.fbShares < amount) return false;
        DashboardState.fbShares = Math.max(0, DashboardState.fbShares - amount);
        
        DashboardState.fbSharesSignature = await computeFbCardsSignature(DashboardState.fbShares);
        await FritreeStorage.set('acc_fbShares', DashboardState.fbShares);
        await FritreeStorage.set('acc_fbShares_sig', DashboardState.fbSharesSignature);
        
        await addPointsTransaction(desc, amount, 'deduct_fb');
        return true;
    }

    async function addFbCards(amount, desc) {
        DashboardState.fbShares = (parseInt(DashboardState.fbShares) || 0) + amount;
        DashboardState.fbSharesSignature = await computeFbCardsSignature(DashboardState.fbShares);
        await FritreeStorage.set('acc_fbShares', DashboardState.fbShares);
        await FritreeStorage.set('acc_fbShares_sig', DashboardState.fbSharesSignature);
        
        await addPointsTransaction(desc, amount, 'add_fb');
    }

    async function deductWaCards(amount, desc) {
        const computedSig = await computeWaCardsSignature(DashboardState.waShares);
        
        if (!DashboardState.waSharesSignature || DashboardState.waSharesSignature === '') {
            DashboardState.waSharesSignature = computedSig;
            await FritreeStorage.set('acc_waShares_sig', DashboardState.waSharesSignature);
        }

        if (DashboardState.waSharesSignature !== computedSig && DashboardState.waShares !== 25) {
            console.log("[Fritree Storage] Resetting WA cards balance signature.");
            DashboardState.waSharesSignature = computedSig;
            await FritreeStorage.set('acc_waShares_sig', DashboardState.waSharesSignature);
        }

        if (DashboardState.waShares < amount) return false;
        DashboardState.waShares = Math.max(0, DashboardState.waShares - amount);
        
        DashboardState.waSharesSignature = await computeWaCardsSignature(DashboardState.waShares);
        await FritreeStorage.set('acc_waShares', DashboardState.waShares);
        await FritreeStorage.set('acc_waShares_sig', DashboardState.waSharesSignature);
        
        await addPointsTransaction(desc, amount, 'deduct_wa');
        return true;
    }

    async function addWaCards(amount, desc) {
        DashboardState.waShares = (parseInt(DashboardState.waShares) || 0) + amount;
        DashboardState.waSharesSignature = await computeWaCardsSignature(DashboardState.waShares);
        await FritreeStorage.set('acc_waShares', DashboardState.waShares);
        await FritreeStorage.set('acc_waShares_sig', DashboardState.waSharesSignature);
        
        await addPointsTransaction(desc, amount, 'add_wa');
    }

    function syncDashboardWidgets(storageData) {
        const waDashSent = document.getElementById('wa-dash-sent-today');
        if (waDashSent && storageData.wa_sent_today !== undefined) {
            waDashSent.textContent = (storageData.wa_sent_today || 0).toLocaleString('en-US');
        }
    }

    function startAutomaticSyncLoop() {
        setInterval(() => {
            if (typeof chrome !== 'undefined' && chrome.storage && chrome.storage.local) {
                chrome.storage.local.get(['wa_sent_today'], (res) => {
                    syncDashboardWidgets(res);
                });
            }
            updateStealthShieldWidgetUI(); 
        }, 5000);

        if (typeof chrome !== 'undefined' && chrome.storage && chrome.storage.onChanged) {
            chrome.storage.onChanged.addListener(async (changes, namespace) => {
                if (namespace === 'local') {
                    await updateAccountUI();
                    await updatePointsUI();
                }
            });
        }
    }

    // ============================================================================
    // Exports
    // ============================================================================
    global.FritreeDashboard = {
        init: initDashboardModule,
        getPoints: () => DashboardState.userPoints,
        addPoints: addPoints,
        deductPoints: deductPoints,
        addTransaction: addPointsTransaction,
        syncWidgets: syncDashboardWidgets,
        
        getFbShares: () => DashboardState.fbShares,
        getWaShares: () => DashboardState.waShares,
        buyPackage: buyPackage,
        recordActionSuccess: recordActionSuccess,
        updateAccountUI: updateAccountUI,
        getSubscriptionFeatures: getSubscriptionFeatures,
        
        generateLicenseKey: generateLicenseSerialKey,
        redeemLicenseKey: redeemLicenseSerialKey
    };

    if (document.readyState === 'complete' || document.readyState === 'interactive') {
        initDashboardModule();
    } else {
        document.addEventListener('DOMContentLoaded', () => initDashboardModule());
    }

})(typeof globalThis !== 'undefined' ? globalThis : typeof window !== 'undefined' ? window : this);