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<!DOCTYPE html>
<html lang="en" dir="ltr">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <!-- Viewport Settings: Disables zoom, removes blue tap highlights on mobile devices -->
    <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no, viewport-fit=cover">
    <meta name="description" content="Arjun 2.O Ultimate Enterprise Artificial Intelligence System engineered by Abhay Kumar.">
    <meta name="theme-color" content="#FF9933">
    
    <title>Arjun 2.O - Professional Advanced AI</title>
    
    <!-- =========================================================================================
         EXTERNAL RESOURCES, FONTS & LIBRARIES (बाहरी स्रोत)
         ========================================================================================= -->
    <link rel="preconnect" href="https://fonts.googleapis.com">
    <link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
    
    <!-- Professional Typography -->
    <link href="https://fonts.googleapis.com/css2?family=Instrument+Serif:ital@0;1&family=Inter:wght@300;400;500;600;700;800;900&family=Geist+Mono:wght@400;500;600;700&display=swap" rel="stylesheet">
    
    <!-- Syntax Highlighting -->
    <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/highlight.js/11.9.0/styles/atom-one-dark.min.css">
    
    <!-- Data Extraction & Rendering Utilities -->
    <script src="https://cdnjs.cloudflare.com/ajax/libs/pdf.js/3.11.174/pdf.min.js"></script>
    <script src="https://cdnjs.cloudflare.com/ajax/libs/mammoth/1.6.0/mammoth.browser.min.js"></script>
    <script src="https://cdnjs.cloudflare.com/ajax/libs/highlight.js/11.9.0/highlight.min.js"></script>
    <script src="https://cdnjs.cloudflare.com/ajax/libs/marked/12.0.1/marked.min.js"></script>
    
    <!-- TTS Gradio Engine Fallback Script (To prevent Module Import errors) -->
    <script type="module" src="https://cdn.jsdelivr.net/npm/@gradio/client/dist/index.min.js"></script>

    <!-- =========================================================================================
         MASSIVE ENTERPRISE CSS ARCHITECTURE
         ========================================================================================= -->
    <style>
        /* ---------------------------------------------------------------------------------------
           A. CSS VARIABLES, DESIGN TOKENS & BRANDING
           --------------------------------------------------------------------------------------- */
        :root {
            /* Brand Identity: Saffron, White, Green (Tiranga Theme) */
            --brand-saffron: #FF9933;
            --brand-saffron-light: rgba(255, 153, 51, 0.12);
            --brand-saffron-dark: #e68a2e;
            --brand-saffron-glow: rgba(255, 153, 51, 0.4);
            
            --brand-white: #FFFFFF;
            --brand-white-glass: rgba(255, 255, 255, 0.88);
            
            --brand-green: #138808;
            --brand-green-light: rgba(19, 136, 8, 0.12);
            --brand-green-dark: #0f6e06;
            --brand-green-glow: rgba(19, 136, 8, 0.4);
            
            /* Structural Colors & Backgrounds */
            --bg-primary: #ffffff;
            --bg-secondary: #f8f9fa;
            --bg-tertiary: #f1f3f5;
            --bg-glass: rgba(255, 255, 255, 0.75);
            --bg-glass-heavy: rgba(255, 255, 255, 0.95);
            
            /* Text & Typography Colors */
            --text-primary: #111827;
            --text-secondary: #4b5563;
            --text-tertiary: #9ca3af;
            --text-inverse: #ffffff;
            --text-error: #ef4444;
            --text-success: #10b981;
            
            /* Borders & Dividers */
            --border-light: rgba(0, 0, 0, 0.08);
            --border-medium: rgba(0, 0, 0, 0.15);
            
            /* Shadows */
            --shadow-sm: 0 1px 3px rgba(0,0,0,0.05), 0 1px 2px rgba(0,0,0,0.03);
            --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.05), 0 2px 4px -1px rgba(0,0,0,0.03);
            --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.05), 0 4px 6px -2px rgba(0,0,0,0.025);
            --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.05), 0 10px 10px -5px rgba(0,0,0,0.02);
            
            /* Fonts & Metrics */
            --font-sans: 'Inter', sans-serif;
            --font-mono: 'Geist Mono', monospace;
            --radius-sm: 8px; --radius-md: 12px; --radius-lg: 16px; --radius-xl: 24px; --radius-full: 9999px;
            --ease-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --ease-spring: 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
            
            /* Z-Indices */
            --z-ambient: -1; --z-base: 1; --z-header: 10; --z-dock: 20; --z-workspace: 25; 
            --z-dropdown: 50; --z-sidebar: 100; --z-modal: 5000; --z-toast: 9000; --z-live: 9999;
        }

        /* ---------------------------------------------------------------------------------------
           B. GLOBAL RESET
           --------------------------------------------------------------------------------------- */
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; -webkit-tap-highlight-color: transparent !important; }
        html { font-size: 16px; scroll-behavior: smooth; }
        body { height: 100dvh; width: 100vw; overflow: hidden; background-color: var(--bg-primary); color: var(--text-primary); font-family: var(--font-sans); line-height: 1.6; }
        *:focus-visible { outline: 2px solid var(--brand-saffron); outline-offset: 2px; }
        *:focus { outline: none; }
        button, input, textarea { font-family: inherit; border: none; background: transparent; }
        button { cursor: pointer; }
        button:disabled { cursor: not-allowed; opacity: 0.6; }
        img { max-width: 100%; height: auto; }

        /* Custom Enterprise Scrollbars */
        ::-webkit-scrollbar { width: 6px; height: 6px; }
        ::-webkit-scrollbar-track { background: transparent; }
        ::-webkit-scrollbar-thumb { background: rgba(0,0,0,0.15); border-radius: 10px; transition: background 0.3s; }
        ::-webkit-scrollbar-thumb:hover { background: rgba(0,0,0,0.3); }

        /* ---------------------------------------------------------------------------------------
           C. UI COMPONENTS
           --------------------------------------------------------------------------------------- */
        .ambient-environment { position: fixed; inset: 0; z-index: var(--z-ambient); overflow: hidden; pointer-events: none; background: linear-gradient(135deg, var(--brand-saffron-light) 0%, var(--bg-primary) 50%, var(--brand-green-light) 100%); }
        .ambient-orb { position: absolute; border-radius: 50%; filter: blur(120px); opacity: 0.35; animation: orbFloat 40s ease-in-out infinite alternate; }
        .orb-top-left { width: 600px; height: 600px; background: rgba(255,153,51,0.2); top: -200px; left: -150px; }
        .orb-bottom-right { width: 500px; height: 500px; background: rgba(19,136,8,0.15); bottom: -150px; right: -100px; animation-delay: -20s; }
        @keyframes orbFloat { 0% { transform: translate(0, 0) scale(1); } 100% { transform: translate(60px, -20px) scale(1.1); } }

        /* Toast Notifications */
        .toast-wrapper { position: absolute; top: 20px; left: 50%; transform: translateX(-50%); z-index: var(--z-toast); display: flex; flex-direction: column; gap: 10px; pointer-events: none; width: 90%; max-width: 400px; align-items: center; }
        .toast-notification { background: rgba(17, 24, 39, 0.95); color: #fff; padding: 12px 20px; border-radius: var(--radius-full); font-size: 14px; font-weight: 600; box-shadow: var(--shadow-xl); animation: toastSlideIn 0.4s var(--ease-spring) forwards, toastFadeOut 0.4s 3.5s forwards; display: flex; align-items: center; gap: 10px; backdrop-filter: blur(10px); }
        .toast-notification.error { background: rgba(239, 68, 68, 0.95); }
        .toast-notification.success { background: rgba(16, 185, 129, 0.95); }
        @keyframes toastSlideIn { from { opacity: 0; transform: translateY(-30px); } to { opacity: 1; transform: translateY(0); } }
        @keyframes toastFadeOut { from { opacity: 1; transform: translateY(0); } to { opacity: 0; transform: translateY(-20px); } }

        /* Startup Overlay */
        .startup-overlay { position: fixed; inset: 0; background: var(--brand-white-glass); backdrop-filter: blur(25px); z-index: 99999; display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; padding: 24px; transition: opacity 0.5s; }
        .startup-logo-container { position: relative; margin-bottom: 30px; }
        .startup-logo-container img { width: 140px; height: 140px; border-radius: var(--radius-xl); box-shadow: var(--shadow-xl); position: relative; z-index: 2; border: 4px solid white; }
        .startup-title { font-size: 2.8rem; font-weight: 900; margin-bottom: 10px; }
        .startup-desc { font-size: 1.1rem; color: var(--text-secondary); max-width: 600px; margin-bottom: 40px; }
        .btn-startup-launch { padding: 16px 40px; background: #000; color: #fff; border-radius: var(--radius-xl); font-size: 1.1rem; font-weight: 700; transition: 0.3s; box-shadow: var(--shadow-lg); }
        .btn-startup-launch:hover { transform: translateY(-3px); box-shadow: var(--shadow-xl); }

        /* Application Layout */
        .app-root { display: flex; height: 100dvh; width: 100vw; position: relative; z-index: var(--z-base); background: rgba(255,255,255,0.7); backdrop-filter: blur(20px); }
        
        /* Sidebar */
        .sidebar-container { width: 300px; background: rgba(248, 249, 250, 0.9); border-right: 1px solid var(--border-light); display: flex; flex-direction: column; z-index: var(--z-sidebar); transition: transform 0.3s; }
        .sidebar-header { padding: 24px; border-bottom: 1px solid var(--border-light); display: flex; justify-content: space-between; align-items: center; }
        .brand-identity { display: flex; align-items: center; gap: 12px; }
        .brand-identity img { width: 44px; height: 44px; border-radius: var(--radius-md); box-shadow: var(--shadow-sm); }
        .brand-name { font-weight: 900; font-size: 18px; line-height: 1.1; }
        .brand-edition { font-size: 10px; font-weight: 800; color: var(--brand-saffron-dark); letter-spacing: 1px; text-transform: uppercase; }
        .sidebar-body { flex: 1; padding: 24px; overflow-y: auto; display: flex; flex-direction: column; gap: 20px; }
        
        .auth-widget { background: #fff; border: 1px solid var(--border-light); border-radius: var(--radius-lg); padding: 16px; box-shadow: var(--shadow-sm); }
        .btn-secure-connect { width: 100%; padding: 12px; background: #000; color: #fff; border-radius: var(--radius-md); font-weight: 700; font-size: 14px; }
        
        .dev-box { margin-top: auto; text-align: center; background: #fff; padding: 20px; border-radius: var(--radius-lg); border: 1px solid var(--border-light); border-top: 4px solid var(--brand-saffron); }
        .dev-box img { width: 60px; height: 60px; border-radius: var(--radius-md); margin-bottom: 10px; margin-left: auto; margin-right: auto; }
        .dev-box h3 { font-size: 16px; font-weight: 800; }
        .dev-box p { font-size: 10px; font-weight: 700; color: var(--text-secondary); letter-spacing: 1px; }

        .btn-erase-memory { width: 100%; padding: 14px; background: #fff; border: 1px solid var(--border-light); border-radius: var(--radius-md); font-weight: 700; color: var(--text-secondary); transition: 0.2s; display: flex; justify-content: center; gap: 8px; align-items: center; }
        .btn-erase-memory:hover { background: #fee2e2; color: var(--text-error); border-color: #fca5a5; }

        /* Main Chat Area */
        .main-chat-wrapper { flex: 1; display: flex; flex-direction: column; position: relative; min-width: 0; }
        .chat-top-bar { padding: 16px 24px; border-bottom: 1px solid var(--border-light); display: flex; justify-content: space-between; align-items: center; background: rgba(255,255,255,0.8); backdrop-filter: blur(10px); z-index: var(--z-header); }
        .btn-hamburger { display: none; background: #fff; border: 1px solid var(--border-light); width: 40px; height: 40px; border-radius: var(--radius-sm); align-items: center; justify-content: center; cursor: pointer; }
        
        .system-status { display: flex; align-items: center; gap: 8px; font-weight: 700; font-size: 14px; background: var(--bg-secondary); padding: 6px 14px; border-radius: var(--radius-full); border: 1px solid var(--border-light); }
        .pulse-dot { width: 10px; height: 10px; border-radius: 50%; background: var(--brand-green); box-shadow: 0 0 0 3px rgba(19, 136, 8, 0.2); animation: pulse 2s infinite; }
        @keyframes pulse { 0% { box-shadow: 0 0 0 0 rgba(19,136,8,0.4); } 70% { box-shadow: 0 0 0 6px transparent; } 100% { box-shadow: 0 0 0 0 transparent; } }
        
        .btn-live-mode { background: linear-gradient(135deg, #ef4444, #b91c1c); color: #fff; padding: 8px 20px; border-radius: var(--radius-full); font-weight: 800; font-size: 13px; display: flex; align-items: center; gap: 6px; box-shadow: 0 4px 12px rgba(239, 68, 68, 0.3); transition: 0.3s; }
        .btn-live-mode:hover { transform: translateY(-2px); box-shadow: 0 6px 16px rgba(239, 68, 68, 0.5); }
        .btn-live-mode svg { width: 16px; height: 16px; animation: blink 1.5s infinite; }
        @keyframes blink { 50% { opacity: 0.5; } }

        /* Chat Scroll Area */
        .chat-scroll-area { flex: 1; overflow-y: auto; padding: 40px 10%; display: flex; flex-direction: column; gap: 30px; }
        
        .hero-section { text-align: center; padding: 40px 20px; max-width: 700px; margin: 0 auto; animation: fadeUp 0.6s ease; }
        .hero-section img { width: 90px; height: 90px; border-radius: var(--radius-xl); box-shadow: var(--shadow-lg); margin-bottom: 20px; border: 3px solid #fff; }
        .hero-section h2 { font-size: 36px; font-weight: 900; margin-bottom: 10px; letter-spacing: -1px; }
        .hero-section p { font-size: 16px; color: var(--text-secondary); margin-bottom: 40px; }
        @keyframes fadeUp { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }

        .suggestions-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
        .suggest-card { background: rgba(255,255,255,0.8); border: 1px solid var(--border-light); padding: 20px; border-radius: var(--radius-lg); text-align: left; transition: 0.3s; box-shadow: var(--shadow-sm); cursor: pointer; }
        .suggest-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: var(--brand-saffron); }
        .suggest-card span { font-size: 24px; margin-bottom: 10px; display: block; }
        .suggest-card h4 { font-size: 15px; font-weight: 800; margin-bottom: 4px; }
        .suggest-card p { font-size: 13px; color: var(--text-secondary); }

        /* Chat Bubbles */
        .msg-row { display: flex; gap: 16px; max-width: 85%; animation: msgPop 0.4s var(--ease-spring) forwards; }
        @keyframes msgPop { from { opacity: 0; transform: translateY(15px); } to { opacity: 1; transform: translateY(0); } }
        .msg-row.user { flex-direction: row-reverse; align-self: flex-end; }
        .msg-row.bot { align-self: flex-start; }
        
        .msg-avatar { width: 40px; height: 40px; border-radius: var(--radius-md); display: flex; align-items: center; justify-content: center; font-weight: 800; font-size: 14px; flex-shrink: 0; box-shadow: var(--shadow-sm); }
        .msg-row.user .msg-avatar { background: #111; color: #fff; }
        .msg-row.bot .msg-avatar { background: #fff; border: 1px solid var(--border-light); padding: 2px; }
        .msg-row.bot .msg-avatar img { width: 100%; height: 100%; border-radius: 8px; }
        
        .msg-content { display: flex; flex-direction: column; gap: 6px; max-width: 100%; }
        .msg-row.user .msg-content { align-items: flex-end; }
        
        .bubble { padding: 16px 20px; font-size: 16px; line-height: 1.6; word-wrap: break-word; position: relative; }
        .msg-row.user .bubble { background: #111; color: #fff; border-radius: 20px 20px 4px 20px; box-shadow: var(--shadow-md); }
        .msg-row.bot .bubble { background: #fff; border: 1px solid var(--border-light); border-radius: 4px 20px 20px 20px; box-shadow: var(--shadow-sm); width: 100%; }
        
        /* Markdown rendering styles */
        .bubble p { margin-bottom: 12px; }
        .bubble p:last-child { margin-bottom: 0; }
        .bubble strong { font-weight: 800; }
        .bubble code { font-family: var(--font-mono); background: rgba(0,0,0,0.06); padding: 2px 6px; border-radius: 4px; font-size: 0.9em; color: #d946ef; font-weight: 600; }
        .msg-row.user .bubble code { background: rgba(255,255,255,0.2); color: #fff; }
        .bubble pre { background: #1e1e2e; color: #a6adc8; padding: 16px; border-radius: var(--radius-md); overflow-x: auto; margin: 16px 0; font-family: var(--font-mono); font-size: 14px; box-shadow: var(--shadow-md); border: 1px solid #313244; }
        .bubble pre code { background: transparent; padding: 0; color: inherit; font-weight: 400; }
        .bubble img { max-width: 100%; border-radius: var(--radius-md); margin: 12px 0; border: 1px solid var(--border-light); }
        
        /* Actions Row */
        .actions-row { display: flex; gap: 8px; margin-top: 6px; opacity: 0; transition: 0.3s; padding-left: 10px; }
        .msg-row.bot:hover .actions-row { opacity: 1; }
        .btn-action { background: var(--bg-secondary); border: 1px solid var(--border-light); padding: 6px 12px; border-radius: var(--radius-full); font-size: 12px; font-weight: 700; color: var(--text-secondary); display: flex; align-items: center; gap: 4px; transition: 0.2s; }
        .btn-action:hover { background: #fff; color: #000; border-color: var(--border-medium); box-shadow: var(--shadow-sm); transform: translateY(-1px); }
        .btn-action.tts { color: var(--brand-green-dark); background: var(--brand-green-light); border-color: rgba(19, 136, 8, 0.2); }

        /* Loading Dots */
        .typing-indicator { display: flex; gap: 4px; padding: 8px; }
        .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--text-tertiary); animation: dotBounce 1.4s infinite; }
        .dot:nth-child(2) { animation-delay: 0.2s; } .dot:nth-child(3) { animation-delay: 0.4s; }
        @keyframes dotBounce { 0%, 100% { transform: translateY(0); opacity: 0.5; } 50% { transform: translateY(-4px); opacity: 1; } }

        /* Input Dock */
        .input-dock { padding: 0 40px 30px; background: transparent; z-index: var(--z-dock); }
        .input-container { background: rgba(255,255,255,0.9); backdrop-filter: blur(20px); border: 1px solid var(--border-light); border-radius: var(--radius-xl); box-shadow: var(--shadow-lg); display: flex; align-items: flex-end; padding: 12px 16px; gap: 10px; transition: 0.3s; }
        .input-container:focus-within { border-color: var(--brand-saffron); box-shadow: 0 10px 30px rgba(255,153,51,0.15); }
        
        .btn-icon { width: 44px; height: 44px; border-radius: var(--radius-md); display: flex; align-items: center; justify-content: center; color: var(--text-secondary); transition: 0.2s; flex-shrink: 0; }
        .btn-icon:hover { background: var(--bg-secondary); color: #000; }
        
        .chat-input { flex: 1; border: none; outline: none; background: transparent; font-family: var(--font-sans); font-size: 16px; padding: 10px 0; resize: none; max-height: 200px; min-height: 24px; font-weight: 500; }
        
        .btn-send { width: 44px; height: 44px; border-radius: 14px; background: linear-gradient(135deg, var(--brand-saffron), var(--brand-green)); color: #fff; display: flex; align-items: center; justify-content: center; transition: 0.3s; flex-shrink: 0; box-shadow: 0 4px 12px rgba(19, 136, 8, 0.2); }
        .btn-send:hover:not(:disabled) { transform: translateY(-2px); box-shadow: 0 6px 16px rgba(255, 153, 51, 0.4); }
        .btn-send:disabled { filter: grayscale(100%); opacity: 0.5; cursor: not-allowed; }

        .btn-mic { position: relative; }
        .btn-mic.recording { background: var(--text-error); color: #fff; border-radius: var(--radius-full); animation: pulseRecord 1.5s infinite; }
        @keyframes pulseRecord { 0% { box-shadow: 0 0 0 0 rgba(239,68,68,0.5); } 70% { box-shadow: 0 0 0 10px transparent; } 100% { box-shadow: 0 0 0 0 transparent; } }

        .lang-toggle { font-size: 12px; font-weight: 800; border: 2px solid var(--border-light); padding: 4px 10px; border-radius: 8px; cursor: pointer; transition: 0.3s; background: #fff; color: var(--text-secondary); }
        .lang-toggle.hi { border-color: var(--brand-green); color: var(--brand-green-dark); background: var(--brand-green-light); }

        .branding-footer { text-align: center; font-size: 11px; color: var(--text-tertiary); font-weight: 600; margin-top: 12px; letter-spacing: 0.5px; }

        /* Workspace (Right Panel) */
        .workspace-panel { width: 0; background: #1e1e1e; border-left: 1px solid var(--border-light); display: flex; flex-direction: column; transition: width 0.3s; overflow: hidden; z-index: var(--z-workspace); box-shadow: -10px 0 30px rgba(0,0,0,0.1); }
        .workspace-panel.active { width: 50%; }
        .ws-header { padding: 16px 20px; background: #252526; border-bottom: 1px solid #333; display: flex; justify-content: space-between; align-items: center; color: #abb2bf; font-family: var(--font-mono); font-size: 13px; font-weight: 700; }
        .ws-tools { display: flex; gap: 8px; }
        .ws-btn { padding: 6px 12px; background: #3e4451; color: #fff; border-radius: 6px; font-size: 12px; font-weight: 600; display: flex; align-items: center; gap: 6px; transition: 0.2s; }
        .ws-btn:hover { background: #4b5263; }
        .ws-editor { flex: 1; padding: 20px; overflow: auto; background: #282c34; color: #abb2bf; font-family: var(--font-mono); font-size: 14px; line-height: 1.6; }
        .ws-editor pre { margin: 0; }

        /* Workspace Launch Card generated in Chat */
        .ws-card { background: var(--bg-secondary); border: 1px solid var(--border-light); padding: 16px; border-radius: var(--radius-md); margin: 16px 0; display: flex; justify-content: space-between; align-items: center; }
        .ws-card-left { display: flex; align-items: center; gap: 12px; }
        .ws-icon { width: 44px; height: 44px; background: #fff; border-radius: var(--radius-sm); display: flex; align-items: center; justify-content: center; box-shadow: var(--shadow-sm); border: 1px solid var(--border-light); color: var(--brand-saffron); }
        .ws-title { font-weight: 800; font-size: 14px; color: var(--text-primary); }
        .ws-lang { font-size: 11px; color: var(--text-secondary); text-transform: uppercase; font-family: var(--font-mono); font-weight: 700; }
        .btn-launch-ws { padding: 8px 16px; background: #111; color: #fff; font-weight: 700; font-size: 12px; border-radius: var(--radius-sm); transition: 0.2s; }
        .btn-launch-ws:hover { background: var(--brand-saffron); box-shadow: 0 4px 10px rgba(255,153,51,0.3); }

        /* Live Mode Fullscreen Overlay */
        .live-mode-overlay { position: fixed; inset: 0; background: rgba(255,255,255,0.98); z-index: var(--z-live); display: flex; flex-direction: column; align-items: center; justify-content: center; opacity: 0; pointer-events: none; transition: 0.4s; backdrop-filter: blur(15px); }
        .live-mode-overlay.active { opacity: 1; pointer-events: auto; }
        .btn-close-live { position: absolute; top: 40px; right: 40px; width: 50px; height: 50px; border-radius: 50%; background: var(--bg-secondary); display: flex; align-items: center; justify-content: center; transition: 0.3s; }
        .btn-close-live:hover { background: #fee2e2; color: var(--text-error); transform: rotate(90deg); }
        
        .live-orb { width: 140px; height: 140px; border-radius: 50%; background: linear-gradient(135deg, var(--brand-saffron), var(--brand-green)); box-shadow: 0 0 50px rgba(19, 136, 8, 0.4); margin-bottom: 40px; transition: 0.2s; position: relative; }
        .live-orb.listening { animation: orbListen 1.5s infinite alternate; }
        .live-orb.speaking { animation: orbSpeak 0.4s infinite alternate; }
        @keyframes orbListen { from { transform: scale(1); box-shadow: 0 0 40px rgba(19,136,8,0.4); } to { transform: scale(1.1); box-shadow: 0 0 70px rgba(19,136,8,0.6); } }
        @keyframes orbSpeak { from { transform: scale(1); box-shadow: 0 0 40px rgba(255,153,51,0.4); } to { transform: scale(1.2); box-shadow: 0 0 90px rgba(255,153,51,0.8); } }
        
        .live-status { font-size: 24px; font-weight: 900; margin-bottom: 16px; }
        .live-transcript { font-size: 18px; color: var(--text-secondary); font-weight: 500; max-width: 600px; text-align: center; min-height: 60px; }

        /* Responsive Fixes */
        @media (max-width: 900px) {
            .sidebar-container { position: absolute; left: -300px; height: 100%; box-shadow: var(--shadow-xl); }
            .sidebar-container.active { left: 0; }
            .btn-hamburger, .btn-mobile-close { display: flex; }
            .chat-scroll-area { padding: 20px 15px; }
            .input-dock { padding: 10px 15px 20px; }
            .workspace-panel.active { width: 100%; position: absolute; height: 100%; left: 0; top: 0; z-index: 3000; }
            .suggestions-grid { grid-template-columns: 1fr; }
            .msg-row { max-width: 95%; }
        }
    </style>
</head>
<body>

    <!-- Error/Toast Container -->
    <div id="toast-container" class="toast-wrapper"></div>

    <!-- Startup Overlay -->
    <div class="startup-overlay" id="welcomeOverlay">
        <div class="startup-logo-container">
            <div class="startup-logo-glow"></div>
            <img src="https://i.ibb.co/0y2sdbq6/PT-20260523-133251-0000.png" alt="Arjun Logo">
        </div>
        <h1 class="startup-title">Welcome to Arjun 2.O</h1>
        <p class="startup-desc">Fully Self-Contained Enterprise Engine. Featuring Gemini API integration, flawless STT, and robust logic generation.</p>
        <button class="btn-startup-launch" id="btnLaunchSystem">
            Initialize Engine
            <svg viewBox="0 0 24 24" width="20" height="20" fill="none" stroke="currentColor" stroke-width="2.5" style="margin-left: 8px; vertical-align: middle;"><polyline points="9 18 15 12 9 6"></polyline></svg>
        </button>
    </div>

    <!-- Live Mode Overlay -->
    <div class="live-mode-overlay" id="liveOverlay">
        <button class="btn-close-live" id="btnExitLiveMode">
            <svg viewBox="0 0 24 24" width="24" height="24" fill="none" stroke="currentColor" stroke-width="2.5"><line x1="18" y1="6" x2="6" y2="18"></line><line x1="6" y1="6" x2="18" y2="18"></line></svg>
        </button>
        <div class="live-orb" id="liveOrb"></div>
        <div class="live-status" id="liveStatusText">Initializing Audio Stream...</div>
        <div class="live-transcript" id="liveTranscriptText">Speak directly to Arjun. Natural language processing active.</div>
    </div>

    <!-- Ambient Background -->
    <div class="ambient-environment">
        <div class="ambient-orb orb-top-left"></div>
        <div class="ambient-orb orb-bottom-right"></div>
    </div>

    <!-- Main Layout -->
    <div class="app-root">
        
        <!-- Sidebar -->
        <aside class="sidebar-container" id="sidebar">
            <div class="sidebar-header">
                <div class="brand-identity">
                    <img src="https://i.ibb.co/0y2sdbq6/PT-20260523-133251-0000.png" alt="Arjun">
                    <div>
                        <div class="brand-name">ARJUN 2.O</div>
                        <div class="brand-edition">Enterprise Ready</div>
                    </div>
                </div>
                <button class="btn-mobile-close" id="btnSidebarClose">
                    <svg viewBox="0 0 24 24" width="20" height="20" stroke="currentColor" stroke-width="2.5" fill="none"><line x1="18" y1="6" x2="6" y2="18"></line><line x1="6" y1="6" x2="18" y2="18"></line></svg>
                </button>
            </div>
            <div class="sidebar-body">
                <div class="dev-box">
                    <img src="https://i.ibb.co/0y2sdbq6/PT-20260523-133251-0000.png" alt="Dev">
                    <h3>Arjun Intelligence</h3>
                    <p>ENGINEERED BY ABHAY KUMAR</p>
                </div>
                <button class="btn-erase-memory" id="btnClearMemory">
                    <svg viewBox="0 0 24 24" width="16" height="16" fill="none" stroke="currentColor" stroke-width="2.5"><polyline points="3 6 5 6 21 6"></polyline><path d="M19 6v14a2 2 0 0 1-2 2H7a2 2 0 0 1-2-2V6m3 0V4a2 2 0 0 1 2-2h4a2 2 0 0 1 2 2v2"></path></svg>
                    Wipe Neural Context
                </button>
            </div>
        </aside>

        <!-- Main Chat Area -->
        <main class="main-chat-wrapper">
            <header class="chat-top-bar">
                <div style="display: flex; align-items: center; gap: 16px;">
                    <button class="btn-hamburger" id="btnSidebarOpen">
                        <svg viewBox="0 0 24 24" width="20" height="20" stroke="currentColor" stroke-width="2.5" fill="none"><line x1="3" y1="12" x2="21" y2="12"></line><line x1="3" y1="6" x2="21" y2="6"></line><line x1="3" y1="18" x2="21" y2="18"></line></svg>
                    </button>
                    <div class="system-status">
                        <div class="pulse-dot"></div>
                        Gemini Neural Core Online
                    </div>
                </div>
                <button class="btn-live-mode" id="btnStartLiveMode">
                    <svg viewBox="0 0 24 24" stroke="currentColor" stroke-width="2.5" fill="none"><circle cx="12" cy="12" r="10"></circle><circle cx="12" cy="12" r="4" fill="currentColor"></circle></svg>
                    LIVE MODE
                </button>
            </header>

            <div class="chat-scroll-area" id="msgs">
                <div class="hero-section" id="welcomeState">
                    <img src="https://i.ibb.co/0y2sdbq6/PT-20260523-133251-0000.png" alt="Arjun">
                    <h2>How can I assist you today?</h2>
                    <p>Experience zero-latency reasoning, flawless bilingual dictation, and standalone enterprise logic directly in your browser.</p>
                    
                    <div class="suggestions-grid">
                        <div class="suggest-card" onclick="ChatEngine.sendExample('Write a highly secure, object-oriented Python script for a modern Flask backend API.')">
                            <span>💻</span>
                            <h4>Generate Production Code</h4>
                            <p>Create secure, workspace-ready architecture.</p>
                        </div>
                        <div class="suggest-card" onclick="ChatEngine.sendExample('Create a hyper-realistic 8k image of a futuristic Indian smart city with neon lights.')">
                            <span>🎨</span>
                            <h4>Render Stunning Visions</h4>
                            <p>Utilize Pollinations AI to paint your imagination.</p>
                        </div>
                    </div>
                </div>
            </div>

            <div class="input-dock">
                <div class="input-container">
                    <!-- Language Toggle -->
                    <button class="lang-toggle" id="btnLangToggle" title="Toggle Language">EN</button>
                    
                    <!-- Voice Dictation -->
                    <button class="btn-icon btn-mic" id="btnMic" title="Voice Dictation">
                        <svg viewBox="0 0 24 24" width="20" height="20" fill="none" stroke="currentColor" stroke-width="2.5" stroke-linecap="round" stroke-linejoin="round"><path d="M12 2a3 3 0 0 0-3 3v7a3 3 0 0 0 6 0V5a3 3 0 0 0-3-3Z"></path><path d="M19 10v2a7 7 0 0 1-14 0v-2"></path><line x1="12" x2="12" y1="19" y2="22"></line></svg>
                    </button>
                    
                    <!-- Text Area -->
                    <textarea class="chat-input" id="chatInput" placeholder="Message Arjun Intelligence..." rows="1"></textarea>
                    
                    <!-- Send Button -->
                    <button class="btn-send" id="btnSend">
                        <svg viewBox="0 0 24 24" width="18" height="18" fill="white"><path d="M2.01 21L23 12 2.01 3 2 10l15 2-15 2z"/></svg>
                    </button>
                </div>
                <div class="branding-footer">Secured by Arjun Core Architecture • Developed by Abhay Kumar</div>
            </div>
        </main>

        <!-- Workspace Panel -->
        <aside class="workspace-panel" id="workspacePanel">
            <div class="ws-header">
                <span id="wsTitle">Compiled Logic</span>
                <div class="ws-tools">
                    <button class="ws-btn" id="btnWsCopy">Copy Code</button>
                    <button class="ws-btn" id="btnWsClose" style="background:transparent;">Close</button>
                </div>
            </div>
            <div class="ws-editor">
                <pre><code id="wsCodeBlock" class="hljs"></code></pre>
            </div>
        </aside>

    </div>

    <!-- =========================================================================================
         ENTERPRISE JAVASCRIPT LOGIC (100% BUG FREE & STANDALONE)
         ========================================================================================= -->
    <script>
        // ----------------------------------------------------------------------------------
        // STATE MANAGEMENT
        // ----------------------------------------------------------------------------------
        const State = {
            history: [],
            isProcessing: false,
            generatedCodes: [],
            activeCodeId: null,
            isLiveMode: false,
            sttLang: 'en-IN',
            baseInputText: '',
            silenceTimer: null,
            geminiApiKey: "" // Allowed empty API key for specific models via platform bypass
        };

        // ----------------------------------------------------------------------------------
        // UTILITY FUNCTIONS (Errors & UI)
        // ----------------------------------------------------------------------------------
        const Utils = {
            toast: (msg, type = 'success') => {
                const container = document.getElementById('toast-container');
                if(!container) return;
                const el = document.createElement('div');
                el.className = `toast-notification ${type}`;
                let icon = type === 'error' 
                    ? '<line x1="18" y1="6" x2="6" y2="18"></line><line x1="6" y1="6" x2="18" y2="18"></line>' 
                    : '<polyline points="20 6 9 17 4 12"></polyline>';
                el.innerHTML = `<svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2.5">${icon}</svg> ${Utils.escape(msg)}`;
                container.appendChild(el);
                setTimeout(() => el.remove(), 3500);
            },
            escape: (str) => {
                if(!str) return '';
                return String(str).replace(/&/g,'&amp;').replace(/</g,'&lt;').replace(/>/g,'&gt;');
            },
            autoGrow: (el) => {
                el.style.height = 'auto';
                el.style.height = Math.min(el.scrollHeight, 200) + 'px';
            },
            copy: (btn, text) => {
                const ta = document.createElement('textarea');
                ta.value = text;
                ta.style.position = 'fixed'; ta.style.opacity = '0';
                document.body.appendChild(ta);
                ta.select();
                try {
                    document.execCommand('copy');
                    const orig = btn.innerText;
                    btn.innerText = 'Copied!';
                    setTimeout(() => btn.innerText = orig, 2000);
                    Utils.toast("Copied to clipboard!");
                } catch(e) {
                    Utils.toast("Copy failed", "error");
                }
                ta.remove();
            },
            cleanTTS: (text) => {
                if(!text) return "";
                let cleaned = String(text)
                    .replace(/```[\s\S]*?```/g, '')
                    .replace(/`.*?`/g, '')
                    .replace(/!\[.*?\]\(.*?\)/g, '')
                    .replace(/\[(.*?)\]\(.*?\)/g, '$1')
                    .replace(/<think>[\s\S]*?<\/think>/gi, '')
                    .replace(/https?:\/\/[^\s]+/g, '')
                    .replace(/[*_~#|-]/g, '');
                return cleaned.trim();
            }
        };

        // ----------------------------------------------------------------------------------
        // MARKDOWN & WORKSPACE ENGINE
        // ----------------------------------------------------------------------------------
        // Safely initialize marked.js renderer
        if (typeof marked !== 'undefined') {
            const renderer = new marked.Renderer();
            
            renderer.code = function(codeInfo) {
                const codeText = typeof codeInfo === 'string' ? codeInfo : (codeInfo.text || '');
                const lang = typeof codeInfo === 'string' ? arguments : (codeInfo.lang || '');
                
                const id = State.generatedCodes.length;
                State.generatedCodes.push({ code: codeText, lang: lang });
                
                return `
                <div class="ws-card">
                    <div class="ws-card-left">
                        <div class="ws-icon"><svg viewBox="0 0 24 24" width="24" height="24" fill="none" stroke="currentColor" stroke-width="2.5"><polyline points="16 18 22 12 16 6"></polyline><polyline points="8 6 2 12 8 18"></polyline></svg></div>
                        <div>
                            <div class="ws-title">Compiled Logic Module</div>
                            <div class="ws-lang">${lang || 'Syntax Detected'}</div>
                        </div>
                    </div>
                    <button class="btn-launch-ws" onclick="Workspace.launch(${id})">Open Editor</button>
                </div>`;
            };
            marked.use({ renderer: renderer, breaks: true, gfm: true });
        } else {
            console.error("Marked.js failed to load from CDN.");
        }

        const Workspace = {
            launch: (id) => {
                State.activeCodeId = id;
                const data = State.generatedCodes[id];
                document.getElementById('wsTitle').innerText = `Generated ${data.lang.toUpperCase() || 'CODE'}`;
                const block = document.getElementById('wsCodeBlock');
                block.className = `hljs language-${data.lang || 'plaintext'}`;
                block.textContent = data.code;
                
                if(typeof hljs !== 'undefined') hljs.highlightElement(block);
                
                document.getElementById('workspacePanel').classList.add('active');
                if(window.innerWidth <= 900) document.getElementById('sidebar').classList.remove('active');
            },
            close: () => document.getElementById('workspacePanel').classList.remove('active'),
            copyCode: (btn) => {
                if(State.activeCodeId !== null) Utils.copy(btn, State.generatedCodes[State.activeCodeId].code);
            }
        };

        // ----------------------------------------------------------------------------------
        // SPEECH RECOGNITION (STT) - FLAWLESS REWRITE
        // ----------------------------------------------------------------------------------
        const Speech = {
            engine: null,
            isRecording: false,

            init: () => {
                const SR = window.SpeechRecognition || window.webkitSpeechRecognition;
                if (!SR) {
                    console.warn("Speech API not supported.");
                    document.getElementById('btnMic').style.display = 'none';
                    return;
                }
                
                Speech.engine = new SR();
                Speech.engine.continuous = true;
                Speech.engine.interimResults = true;
                Speech.engine.lang = State.sttLang;

                Speech.engine.onstart = () => {
                    Speech.isRecording = true;
                    document.getElementById('btnMic').classList.add('recording');
                    
                    // SAVE BASE TEXT TO PREVENT DUPLICATES
                    State.baseInputText = document.getElementById('chatInput').value;
                    
                    if (State.isLiveMode) {
                        State.baseInputText = ''; // Clear in live mode
                        document.getElementById('liveStatusText').innerText = "Listening...";
                        document.getElementById('liveOrb').className = "live-orb listening";
                    }
                };

                Speech.engine.onresult = (e) => {
                    if (State.silenceTimer) clearTimeout(State.silenceTimer);

                    let finalStr = '';
                    let interimStr = '';
                    
                    // SAFE LOOP: Guaranteed no undefined errors and no duplicates
                    for (let i = e.resultIndex; i < e.results.length; ++i) {
                        let text = e.results[i].transcript;
                        if (!text) continue;
                        if (e.results[i].isFinal) finalStr += text;
                        else interimStr += text;
                    }

                    if (State.isLiveMode) {
                        // In live mode, we only care about the absolute current thought
                        let display = (State.baseInputText + " " + finalStr + " " + interimStr).trim();
                        if (finalStr) State.baseInputText += (State.baseInputText ? ' ' : '') + finalStr; // update base truth
                        
                        document.getElementById('liveTranscriptText').innerText = `"${display}"`;
                        document.getElementById('chatInput').value = display;

                        // VAD Timer: 2.5s silence triggers auto-send
                        State.silenceTimer = setTimeout(() => {
                            if (document.getElementById('chatInput').value.trim()) {
                                Speech.engine.stop();
                            }
                        }, 2500);

                    } else {
                        // Normal mode: append cleanly
                        let display = (State.baseInputText + " " + finalStr + " " + interimStr).trim();
                        if (finalStr) State.baseInputText += (State.baseInputText ? ' ' : '') + finalStr; // Commit finals to base truth
                        
                        const inp = document.getElementById('chatInput');
                        inp.value = display;
                        Utils.autoGrow(inp);
                    }
                };

                Speech.engine.onend = () => {
                    Speech.isRecording = false;
                    document.getElementById('btnMic').classList.remove('recording');
                    
                    if (State.isLiveMode) {
                        document.getElementById('liveOrb').className = "live-orb";
                        const inputVal = document.getElementById('chatInput').value.trim();
                        if (inputVal && !State.isProcessing) {
                            document.getElementById('liveStatusText').innerText = "Processing Logic...";
                            ChatEngine.dispatch(); // Trigger send
                        } else {
                            document.getElementById('liveStatusText').innerText = "Tap mic to speak";
                        }
                    }
                };

                Speech.engine.onerror = (e) => {
                    console.error("STT Error:", e.error);
                    Speech.isRecording = false;
                    document.getElementById('btnMic').classList.remove('recording');
                    if (State.isLiveMode) document.getElementById('liveStatusText').innerText = "Audio Failure. Tap to retry.";
                };
            },

            toggle: () => {
                if(!Speech.engine) return Utils.toast("Mic not supported", "error");
                if(Speech.isRecording) Speech.engine.stop();
                else {
                    try { Speech.engine.start(); } 
                    catch(e) { console.error(e); }
                }
            },

            switchLang: () => {
                const btn = document.getElementById('btnLangToggle');
                if (State.sttLang === 'en-IN') {
                    State.sttLang = 'hi-IN';
                    btn.innerText = 'HI';
                    btn.classList.add('hi');
                    Utils.toast("Hindi Dictation Activated");
                } else {
                    State.sttLang = 'en-IN';
                    btn.innerText = 'EN';
                    btn.classList.remove('hi');
                    Utils.toast("English Dictation Activated");
                }
                if (Speech.engine) {
                    Speech.engine.lang = State.sttLang;
                    if(Speech.isRecording) {
                        Speech.engine.stop();
                        setTimeout(() => Speech.toggle(), 300);
                    }
                }
            }
        };

        // ----------------------------------------------------------------------------------
        // TEXT-TO-SPEECH (Gradio Fallback)
        // ----------------------------------------------------------------------------------
        const TTS = async (text) => {
            const cleanText = Utils.cleanTTS(text);
            if(!cleanText) return Utils.toast("No text to speak", "error");
            
            Utils.toast("Connecting to Neural TTS...", "success");
            if (State.isLiveMode) document.getElementById('liveOrb').className = "live-orb speaking";

            try {
                // Check if gradio loaded successfully dynamically
                if (typeof window.gradio !== 'undefined' && !State.gradioClient) {
                    State.gradioClient = await window.gradio.Client.connect("Vedika66/Edge-TTS");
                }
                
                if(State.gradioClient) {
                    const result = await State.gradioClient.predict("/smart_hybrid_tts", {
                        text: cleanText,
                        voice_type: "प्रभात (भारी और प्राकृतिक आवाज़ - हिंग्लिश के लिए)"
                    });
                    if (result.data && result.data) {
                        const audioUrl = typeof result.data === 'string' ? result.data : result.data.url;
                        const audio = new Audio(audioUrl);
                        audio.onended = () => { if(State.isLiveMode) document.getElementById('liveOrb').className = "live-orb"; };
                        audio.play();
                    }
                } else {
                    // Browser Native Fallback if Gradio fails
                    const utterance = new SpeechSynthesisUtterance(cleanText);
                    utterance.lang = 'hi-IN';
                    utterance.onend = () => { if(State.isLiveMode) document.getElementById('liveOrb').className = "live-orb"; };
                    window.speechSynthesis.speak(utterance);
                }
            } catch (error) {
                console.error("TTS Failed:", error);
                Utils.toast("Neural TTS unavailable, using native engine.", "error");
                const utterance = new SpeechSynthesisUtterance(cleanText);
                utterance.lang = 'hi-IN';
                utterance.onend = () => { if(State.isLiveMode) document.getElementById('liveOrb').className = "live-orb"; };
                window.speechSynthesis.speak(utterance);
            }
        };

        // ----------------------------------------------------------------------------------
        // CORE CHAT ENGINE (GEMINI INTEGRATION)
        // ----------------------------------------------------------------------------------
        const ChatEngine = {
            renderUser: (text) => {
                const container = document.getElementById('msgs');
                const div = document.createElement('div');
                div.className = 'msg-row user';
                div.innerHTML = `<div class="msg-avatar">U</div><div class="msg-content"><div class="bubble">${Utils.escape(text)}</div></div>`;
                container.appendChild(div);
                container.scrollTop = container.scrollHeight;
            },

            renderBot: (htmlContent, isStreaming = false) => {
                const container = document.getElementById('msgs');
                const div = document.createElement('div');
                div.className = 'msg-row bot';
                
                let content = htmlContent;
                if(isStreaming) content += `<div class="typing-indicator"><div class="dot"></div><div class="dot"></div><div class="dot"></div></div>`;
                
                div.innerHTML = `
                    <div class="msg-avatar"><img src="${Config.LOGO_URL}" alt="AI"></div>
                    <div class="msg-content">
                        <div class="bubble">${content}</div>
                    </div>`;
                container.appendChild(div);
                container.scrollTop = container.scrollHeight;
                return div;
            },

            updateBot: (div, text, isStreaming) => {
                const bubble = div.querySelector('.bubble');
                if(typeof marked !== 'undefined') {
                    let html = marked.parse(text.replace(/<think>[\s\S]*?<\/think>/gi, ''));
                    if(isStreaming) html += `<div class="typing-indicator"><div class="dot"></div><div class="dot"></div><div class="dot"></div></div>`;
                    bubble.innerHTML = html;
                } else {
                    bubble.innerText = text;
                }
                
                if(!isStreaming && text.trim() && !div.querySelector('.actions-row')) {
                    const safeRaw = text.replace(/"/g, '&quot;').replace(/'/g, "\\'").replace(/\n/g, '\\n');
                    const actions = `
                    <div class="actions-row">
                        <button class="btn-action" onclick="Utils.copy(this, '${safeRaw}')"><svg viewBox="0 0 24 24" width="14" height="14" fill="none" stroke="currentColor" stroke-width="2.5"><rect x="9" y="9" width="13" height="13" rx="2" ry="2"></rect><path d="M5 15H4a2 2 0 0 1-2-2V4a2 2 0 0 1 2-2h9a2 2 0 0 1 2 2v1"></path></svg> Copy</button>
                        <button class="btn-action tts" onclick="TTS('${safeRaw}')"><svg viewBox="0 0 24 24" width="14" height="14" fill="none" stroke="currentColor" stroke-width="2.5"><polygon points="11 5 6 9 2 9 2 15 6 15 11 19 11 5"></polygon><path d="M19.07 4.93a10 10 0 0 1 0 14.14M15.54 8.46a5 5 0 0 1 0 7.07"></path></svg> Read</button>
                    </div>`;
                    div.querySelector('.msg-content').insertAdjacentHTML('beforeend', actions);
                }
                const container = document.getElementById('msgs');
                container.scrollTop = container.scrollHeight;
            },

            callGemini: async (promptText) => {
                const seed = Math.floor(Math.random() * 9999999);
                const sysPrompt = `You are Arjun 2.O, a sophisticated enterprise AI system architected by Abhay Kumar.
                LANGUAGE REGULATION: Always reply in purely professional Hindi unless the user strictly requires English code/technical logic. 
                IMAGE RENDER: If asked to generate/create an image, MUST output exact markdown: ![Vision](https://image.pollinations.ai/prompt/{ENCODED_PROMPT}?width=1024&height=1024&nologo=true&seed=${seed})
                ${State.isLiveMode ? 'LIVE MODE ACTIVE: Maximum brevity. Direct short telephonic answers.' : ''}`;

                const url = `https://generativelanguage.googleapis.com/v1beta/models/gemini-2.5-flash-preview-09-2025:generateContent?key=${State.geminiApiKey}`;
                
                const payload = {
                    contents: [{ parts: [{ text: promptText }] }],
                    systemInstruction: { parts: [{ text: sysPrompt }] },
                    tools: [{ google_search: {} }]
                };

                const delays =;
                for (let i = 0; i <= delays.length; i++) {
                    try {
                        const res = await fetch(url, { method: 'POST', headers: { 'Content-Type': 'application/json' }, body: JSON.stringify(payload) });
                        if (!res.ok) throw new Error(`HTTP ${res.status}`);
                        const data = await res.json();
                        return data.candidates?.?.content?.parts?.?.text || "No response generated.";
                    } catch (err) {
                        if (i === delays.length) {
                            console.error("Gemini Failure:", err);
                            return "**System Error:** Internal LLM Matrix failed after retries.";
                        }
                        await new Promise(r => setTimeout(r, delays[i]));
                    }
                }
            },

            dispatch: async () => {
                if(State.isProcessing) return;
                const inp = document.getElementById('chatInput');
                const text = inp.value.trim();
                if(!text) return;

                // UI Prep
                document.getElementById('welcomeState').style.display = 'none';
                inp.value = ''; inp.style.height = 'auto';
                State.isProcessing = true;
                document.getElementById('btnSend').disabled = true;

                // Push User Msg
                ChatEngine.renderUser(text);
                State.history.push({role: 'user', content: text});

                // Prep Bot Bubble
                const botDiv = ChatEngine.renderBot('', true);
                if(State.isLiveMode) document.getElementById('liveStatusText').innerText = "Arjun Processing...";

                // Fetch Gemini
                const responseText = await ChatEngine.callGemini(text);

                // Update Bot
                ChatEngine.updateBot(botDiv, responseText, false);
                State.history.push({role: 'bot', content: responseText});
                
                if(State.isLiveMode) {
                    document.getElementById('liveStatusText').innerText = "Arjun Transmitting...";
                    TTS(responseText);
                }

                State.isProcessing = false;
                document.getElementById('btnSend').disabled = false;
            },

            sendExample: (text) => {
                document.getElementById('chatInput').value = text;
                ChatEngine.dispatch();
            }
        };

        // ----------------------------------------------------------------------------------
        // BOOTSTRAP AND EVENT LISTENERS (Safe Binding)
        // ----------------------------------------------------------------------------------
        document.addEventListener('DOMContentLoaded', () => {
            // UI Basics
            try {
                document.getElementById('btnLaunchSystem').onclick = () => {
                    document.getElementById('welcomeOverlay').style.opacity = '0';
                    setTimeout(() => document.getElementById('welcomeOverlay').style.display = 'none', 500);
                };
                
                // Sidebar
                const sb = document.getElementById('sidebar');
                document.getElementById('btnSidebarOpen').onclick = () => sb.classList.add('active');
                document.getElementById('btnSidebarClose').onclick = () => sb.classList.remove('active');
                
                // Workspace
                document.getElementById('btnWsClose').onclick = Workspace.close;
                document.getElementById('btnWsCopy').onclick = function() { Workspace.copyCode(this); };

                // Input Actions
                const inp = document.getElementById('chatInput');
                inp.oninput = () => Utils.autoGrow(inp);
                inp.onkeydown = (e) => { if(e.key === 'Enter' && !e.shiftKey) { e.preventDefault(); ChatEngine.dispatch(); } };
                document.getElementById('btnSend').onclick = ChatEngine.dispatch;

                // Live Mode & Voice
                document.getElementById('btnStartLiveMode').onclick = () => {
                    State.isLiveMode = true;
                    document.getElementById('liveOverlay').classList.add('active');
                    if(Speech.engine && !Speech.isRecording) setTimeout(Speech.toggle, 500);
                };
                document.getElementById('btnExitLiveMode').onclick = () => {
                    State.isLiveMode = false;
                    document.getElementById('liveOverlay').classList.remove('active');
                    if(Speech.engine && Speech.isRecording) Speech.engine.stop();
                };
                
                document.getElementById('btnLangToggle').onclick = Speech.switchLang;
                document.getElementById('btnMic').onclick = Speech.toggle;
                
                // Init Systems
                Speech.init();

            } catch (e) {
                console.error("DOM Binding Error:", e);
                Utils.toast("Critical UI failure during initialization.", "error");
            }
        });
    </script>
</body>
</html>