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<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Zero-Latency HTML Component Builder</title>
    
    <!-- Fonts -->
    <link rel="preconnect" href="https://fonts.googleapis.com">
    <link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
    <link href="https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800;900&family=Inter:wght@300;400;500;600&family=IBM+Plex+Mono:wght@400;500&display=swap" rel="stylesheet">
    
    <!-- Tailwind CSS -->
    <script src="https://cdn.tailwindcss.com"></script>
    
    <!-- Font Awesome -->
    <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.4.0/css/all.min.css">
    
    <!-- JSZip & FileSaver for downloads -->
    <script src="https://cdnjs.cloudflare.com/ajax/libs/jszip/3.10.1/jszip.min.js"></script>
    <script src="https://cdnjs.cloudflare.com/ajax/libs/FileSaver.js/2.0.5/FileSaver.min.js"></script>
    
    <!-- Marked.js for Markdown parsing -->
    <script src="https://cdn.jsdelivr.net/npm/marked/marked.min.js"></script>
    
    <!-- Highlight.js for code syntax highlighting -->
    <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/highlight.js/11.7.0/styles/atom-one-dark.min.css">
    <script src="https://cdnjs.cloudflare.com/ajax/libs/highlight.js/11.7.0/highlight.min.js"></script>

    <script>
        tailwind.config = {
            theme: {
                extend: {
                    fontFamily: {
                        'display': ['Outfit', 'sans-serif'],
                        'body': ['Inter', 'sans-serif'],
                        'mono': ['"IBM Plex Mono"', 'monospace'],
                    },
                    colors: {
                        brand: {
                            50: '#f5f1ff',
                            100: '#ebe5ff',
                            200: '#d9ceff',
                            300: '#bdaaff',
                            400: '#9e7cff',
                            500: '#8248ff',
                            600: '#7c3aed',
                            700: '#6d28d9',
                            800: '#5b21b6',
                            900: '#4c1d95',
                        },
                        slate: {
                            850: '#1a1f2e',
                            900: '#111827',
                            950: '#0b0f19',
                        }
                    },
                    boxShadow: {
                        'glow': '0 0 40px -10px rgba(124, 58, 237, 0.3)',
                        'glow-sm': '0 0 20px -5px rgba(124, 58, 237, 0.2)',
                        'card': '0 8px 32px -8px rgba(0, 0, 0, 0.3), 0 0 0 1px rgba(255, 255, 255, 0.04)',
                        'panel': '0 4px 24px -4px rgba(0, 0, 0, 0.4), inset 0 1px 0 rgba(255, 255, 255, 0.04)',
                        'panel-inset': 'inset 0 2px 8px rgba(0, 0, 0, 0.3), inset 0 1px 0 rgba(255, 255, 255, 0.03)',
                    }
                }
            }
        }
    </script>

    <style>
        /* ========== Custom Scrollbar ========== */
        ::-webkit-scrollbar { width: 6px; height: 6px; }
        ::-webkit-scrollbar-track { background: transparent; }
        ::-webkit-scrollbar-thumb { background: rgba(124, 58, 237, 0.15); border-radius: 10px; }
        ::-webkit-scrollbar-thumb:hover { background: rgba(124, 58, 237, 0.3); }
        
        /* ========== Smooth Selection ========== */
        ::selection { background: rgba(124, 58, 237, 0.25); color: #e2e8f0; }

        /* ========== Editor Specific ========== */
        .editor-line {
            position: absolute;
            left: 0;
            right: 0;
            pointer-events: none;
            color: #4b5563;
            font-family: 'IBM Plex Mono', monospace;
            font-size: 13px;
            line-height: 24px;
            padding-left: 16px;
            padding-right: 16px;
            white-space: pre-wrap;
            word-break: break-all;
            overflow: hidden;
            border-left: 3px solid transparent;
            transition: border-color 0.15s ease, background-color 0.15s ease;
        }
        .editor-line.active { 
            background: rgba(124, 58, 237, 0.06); 
            border-left-color: #8248ff; 
        }

        /* ========== Syntax Highlighting (Custom Override) ========== */
        .token-keyword { color: #c084fc; font-weight: 500; }
        .token-string { color: #86efac; }
        .token-number { color: #67e8f9; }
        .token-comment { color: #6b7280; font-style: italic; }
        .token-tag { color: #f472b6; }
        .token-attr { color: #60a5fa; }
        .token-func { color: #fbbf24; }

        /* ========== Animations ========== */
        @keyframes slideUp { from { opacity: 0; transform: translateY(16px); } to { opacity: 1; transform: translateY(0); } }
        @keyframes slideDown { from { opacity: 0; transform: translateY(-8px); } to { opacity: 1; transform: translateY(0); } }
        @keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
        @keyframes pulse-glow { 0%, 100% { opacity: 0.5; } 50% { opacity: 1; } }
        @keyframes float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-6px); } }
        @keyframes breathe { 0%, 100% { transform: scale(1); } 50% { transform: scale(1.02); } }
        @keyframes spin-slow { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }
        
        .animate-slide-up { animation: slideUp 0.6s cubic-bezier(0.16, 1, 0.3, 1) forwards; }
        .animate-slide-down { animation: slideDown 0.4s ease-out forwards; }
        .animate-fade-in { animation: fadeIn 0.4s ease-out forwards; }
        .animate-float { animation: float 3s ease-in-out infinite; }
        .animate-breathe { animation: breathe 4s ease-in-out infinite; }
        .animate-spin-slow { animation: spin-slow 8s linear infinite; }

        /* ========== Glass Morphism ========== */
        .glass {
            background: rgba(17, 24, 39, 0.7);
            backdrop-filter: blur(20px) saturate(180%);
            -webkit-backdrop-filter: blur(20px) saturate(180%);
        }
        .glass-light {
            background: rgba(255, 255, 255, 0.03);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
        }

        /* ========== Preview Iframe ========== */
        .preview-frame {
            width: 100%;
            height: 100%;
            border: none;
            background: #ffffff;
        }
        .dark-mode .preview-frame {
            background: #0f172a;
            filter: invert(1) hue-rotate(180deg);
        }

        /* ========== Toast ========== */
        .toast-enter { animation: slideUp 0.4s cubic-bezier(0.16, 1, 0.3, 1) forwards; }
        .toast-exit { animation: slideDown 0.3s ease-in forwards; }

        /* ========== Resize Handle ========== */
        .resize-handle {
            cursor: col-resize;
            width: 6px;
            background: transparent;
            transition: background 0.2s;
        }
        .resize-handle:hover, .resize-handle:active {
            background: rgba(124, 58, 237, 0.4);
        }

        /* ========== Misc ========== */
        .no-select { user-select: none; -webkit-user-select: none; }
        .line-clamp-1 { display: -webkit-box; -webkit-line-clamp: 1; -webkit-box-orient: vertical; overflow: hidden; }

        /* Preview Document styles */
        .preview-container {
            background: #f8fafc;
            background-image: 
                linear-gradient(rgba(226, 232, 240, 0.4) 1px, transparent 1px),
                linear-gradient(90deg, rgba(226, 232, 240, 0.4) 1px, transparent 1px);
            background-size: 20px 20px;
        }

        /* Dark checker pattern for dark mode */
        .dark-mode .preview-container {
            background: #0f172a;
            background-image: 
                linear-gradient(rgba(30, 41, 59, 0.6) 1px, transparent 1px),
                linear-gradient(90deg, rgba(30, 41, 59, 0.6) 1px, transparent 1px);
        }
    </style>
</head>
<body class="bg-slate-950 text-slate-300 font-body overflow-hidden antialiased">
    <div id="app" class="h-screen w-full flex flex-col">

        <!-- ═══════════ HEADER ═══════════ -->
        <header class="glass relative z-50 flex-shrink-0 border-b border-white/[0.04]">
            <!-- Top Bar -->
            <div class="flex items-center justify-between px-5 py-3">
                <div class="flex items-center gap-4">
                    <div class="relative group">
                        <div class="absolute inset-0 bg-gradient-to-br from-brand-500 to-purple-400 rounded-xl blur opacity-40 group-hover:opacity-60 transition-opacity duration-300"></div>
                        <div class="relative w-10 h-10 bg-gradient-to-br from-brand-600 to-brand-500 rounded-xl flex items-center justify-center shadow-glow-sm cursor-pointer transform hover:scale-105 transition-all duration-300">
                            <i class="fa-solid fa-code text-white text-sm"></i>
                        </div>
                    </div>
                    <div class="flex flex-col">
                        <h1 class="font-display font-bold text-white text-base tracking-tight leading-tight">VibeBuilder <span class="text-brand-400 text-xs font-medium ml-1 align-top">v2.0</span></h1>
                        <p class="text-[11px] text-slate-500 font-medium tracking-wide uppercase">Zero-Latency Component Engine</p>
                    </div>
                    <a href="https://huggingface.co/spaces/akhaliq/anycoder" target="_blank" class="ml-4 px-3 py-1.5 text-[11px] font-medium text-slate-400 hover:text-brand-300 bg-white/[0.03] hover:bg-brand-500/10 border border-white/[0.05] hover:border-brand-500/20 rounded-lg transition-all duration-300">
                        <i class="fa-solid fa-bolt mr-1.5 text-brand-400"></i>Built with anycoder
                    </a>
                </div>

                <div class="flex items-center gap-2">
                    <!-- Preview Link -->
                    <button id="btn-preview-link" onclick="generatePreviewLink()" class="group flex items-center gap-2 px-4 py-2 text-xs font-semibold text-slate-300 bg-white/[0.03] hover:bg-white/[0.06] border border-white/[0.06] hover:border-white/[0.1] rounded-lg transition-all duration-200 active:scale-95">
                        <i class="fa-solid fa-link text-[10px] text-slate-500 group-hover:text-brand-400 transition-colors"></i>
                        <span>Copy Link</span>
                    </button>

                    <!-- Download Dropdown -->
                    <div class="relative" id="download-dropdown">
                        <button onclick="toggleDownloadDropdown()" class="flex items-center gap-2 px-4 py-2 text-xs font-semibold text-white bg-gradient-to-r from-brand-600 to-purple-600 hover:from-brand-500 hover:to-purple-500 rounded-lg shadow-glow-sm hover:shadow-glow transition-all duration-300 active:scale-95 border border-white/10">
                            <i class="fa-solid fa-cloud-arrow-down"></i>
                            <span>Export</span>
                            <i class="fa-solid fa-chevron-down text-[10px] opacity-60"></i>
                        </button>
                        <div id="download-menu" class="hidden absolute right-0 top-full mt-2 w-56 bg-slate-900/95 backdrop-blur-xl border border-white/[0.06] rounded-xl shadow-2xl overflow-hidden z-50 animate-slide-down">
                            <div class="px-4 py-3 border-b border-white/[0.04]">
                                <p class="text-[10px] font-semibold text-slate-500 uppercase tracking-wider">Export Options</p>
                            </div>
                            <button onclick="downloadFile('index.html')" class="w-full flex items-center gap-3 px-4 py-3 text-sm text-slate-300 hover:text-white hover:bg-white/[0.04] transition-colors text-left group">
                                <i class="fa-brands fa-html5 text-orange-400 group-hover:scale-110 transition-transform"></i>
                                <div>
                                    <p class="font-medium">index.html</p>
                                    <p class="text-[10px] text-slate-500">Single bundled file</p>
                                </div>
                            </button>
                            <button onclick="downloadFile('style.css')" class="w-full flex items-center gap-3 px-4 py-3 text-sm text-slate-300 hover:text-white hover:bg-white/[0.04] transition-colors text-left group">
                                <i class="fa-brands fa-css3-alt text-blue-400 group-hover:scale-110 transition-transform"></i>
                                <div>
                                    <p class="font-medium">style.css</p>
                                    <p class="text-[10px] text-slate-500">Stylesheet only</p>
                                </div>
                            </button>
                            <button onclick="downloadFile('script.js')" class="w-full flex items-center gap-3 px-4 py-3 text-sm text-slate-300 hover:text-white hover:bg-white/[0.04] transition-colors text-left group">
                                <i class="fa-brands fa-js text-yellow-400 group-hover:scale-110 transition-transform"></i>
                                <div>
                                    <p class="font-medium">script.js</p>
                                    <p class="text-[10px] text-slate-500">JavaScript only</p>
                                </div>
                            </button>
                            <div class="border-t border-white/[0.04]"></div>
                            <button onclick="downloadAll()" class="w-full flex items-center gap-3 px-4 py-3 text-sm text-brand-300 hover:text-brand-200 hover:bg-brand-500/10 transition-colors text-left group">
                                <i class="fa-solid fa-file-zipper text-brand-400 group-hover:scale-110 transition-transform"></i>
                                <div>
                                    <p class="font-medium">Full Project (.zip)</p>
                                    <p class="text-[10px] text-slate-500">All files + README</p>
                                </div>
                            </button>
                        </div>
                    </div>
                </div>
            </div>

            <!-- Toolbar -->
            <div class="flex items-center gap-2 px-5 py-2 bg-slate-950/50 border-t border-white/[0.03]">
                <!-- File Tabs -->
                <div id="file-tabs" class="flex items-center gap-1.5 flex-1 overflow-x-auto no-scrollbar">
                    <!-- Dynamic tabs injected here -->
                </div>

                <div class="flex items-center gap-1.5 ml-2 pl-2 border-l border-white/[0.06]">
                    <button onclick="addNewFile()" class="p-1.5 text-slate-500 hover:text-white hover:bg-white/[0.06] rounded-md transition-all text-xs" title="New File">
                        <i class="fa-solid fa-plus"></i>
                    </button>
                    <button onclick="toggleSplitView()" class="p-1.5 text-slate-500 hover:text-white hover:bg-white/[0.06] rounded-md transition-all text-xs" title="Toggle Split">
                        <i class="fa-solid fa-columns"></i>
                    </button>
                    <button onclick="toggleTheme()" class="p-1.5 text-slate-500 hover:text-yellow-400 hover:bg-white/[0.06] rounded-md transition-all text-xs" title="Toggle Theme">
                        <i class="fa-solid fa-sun"></i>
                    </button>
                    <button onclick="toggleSettings()" class="p-1.5 text-slate-500 hover:text-white hover:bg-white/[0.06] rounded-md transition-all text-xs" title="Settings">
                        <i class="fa-solid fa-gear"></i>
                    </button>
                    <div class="w-px h-4 bg-white/[0.06] mx-1"></div>
                    <button onclick="runCode()" class="px-3 py-1.5 text-xs font-semibold text-white bg-brand-600/80 hover:bg-brand-500 rounded-md transition-all shadow-glow-sm active:scale-95 flex items-center gap-1.5">
                        <i class="fa-solid fa-play text-[10px]"></i> Run
                    </button>
                    <button onclick="toggleAutoRefresh()" id="auto-refresh-btn" class="px-2 py-1.5 text-xs font-medium text-slate-500 hover:text-brand-400 bg-white/[0.03] hover:bg-brand-500/10 rounded-md transition-all border border-transparent hover:border-brand-500/20">
                        <i class="fa-solid fa-rotate text-[10px]"></i> Auto
                    </button>
                </div>
            </div>
        </header>

        <!-- ═══════════ MAIN WORKSPACE ═══════════ -->
        <main id="workspace" class="flex-1 flex overflow-hidden relative">
            <!-- Editor Panel -->
            <div id="editor-panel" class="flex flex-col bg-[#0d1117] border-r border-white/[0.04] transition-all duration-300" style="width: 50%;">
                <!-- Editor Toolbar -->
                <div class="flex items-center justify-between px-4 py-2 bg-[#0a0e14] border-b border-white/[0.04]">
                    <div class="flex items-center gap-2">
                        <span id="current-file-label" class="text-[11px] font-mono text-brand-400 font-medium"></span>
                        <span class="text-[10px] text-slate-600 font-mono" id="cursor-position">Ln 1, Col 1</span>
                    </div>
                    <div class="flex items-center gap-1">
                        <button onclick="formatCode()" class="text-[10px] text-slate-500 hover:text-brand-400 px-2 py-0.5 rounded hover:bg-white/[0.04] transition-all" title="Format Code">
                            <i class="fa-solid fa-align-left mr-1"></i>Format
                        </button>
                        <button onclick="copyCode()" class="text-[10px] text-slate-500 hover:text-brand-400 px-2 py-0.5 rounded hover:bg-white/[0.04] transition-all" title="Copy">
                            <i class="fa-regular fa-copy mr-1"></i>Copy
                        </button>
                        <button onclick="clearEditor()" class="text-[10px] text-slate-500 hover:text-red-400 px-2 py-0.5 rounded hover:bg-white/[0.04] transition-all" title="Clear">
                            <i class="fa-solid fa-eraser mr-1"></i>Clear
                        </button>
                    </div>
                </div>

                <!-- Editor Area -->
                <div class="flex-1 relative overflow-hidden group">
                    <div id="editor-container" class="absolute inset-0 overflow-auto font-mono text-[13px] leading-6">
                        <div id="editor-content" class="relative min-h-full pb-20"></div>
                    </div>
                    <!-- Floating Line Counter (right side) -->
                    <div class="absolute right-3 top-3 text-[10px] text-slate-600 font-mono opacity-0 group-hover:opacity-100 transition-opacity duration-300 pointer-events-none">
                        <span id="total-lines">0</span> lines
                    </div>
                </div>
            </div>

            <!-- Resize Handle -->
            <div class="resize-handle z-10 flex-shrink-0" id="resize-handle"></div>

            <!-- Preview Panel -->
            <div id="preview-panel" class="flex-1 flex flex-col relative preview-container transition-all duration-300">
                <!-- Preview Toolbar -->
                <div class="flex items-center justify-between px-4 py-2 glass border-b border-white/[0.04] z-10">
                    <div class="flex items-center gap-3">
                        <span class="text-[11px] font-semibold text-slate-400 uppercase tracking-wider">Live Preview</span>
                        <div id="preview-badge" class="flex items-center gap-1.5 px-2 py-0.5 bg-emerald-500/10 text-emerald-400 border border-emerald-500/20 rounded-full text-[10px] font-medium opacity-0 transition-opacity duration-300">
                            <span class="w-1.5 h-1.5 bg-emerald-400 rounded-full animate-pulse"></span>
                            Live
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                    </div>
                    <div class="flex items-center gap-1.5">
                        <button onclick="setPreviewDevice('desktop')" class="p-1.5 text-slate-500 hover:text-white rounded-md transition-all text-xs preview-device-btn active" data-device="desktop" title="Desktop">
                            <i class="fa-solid fa-desktop"></i>
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                        <button onclick="setPreviewDevice('tablet')" class="p-1.5 text-slate-500 hover:text-white rounded-md transition-all text-xs preview-device-btn" data-device="tablet" title="Tablet">
                            <i class="fa-solid fa-tablet-screen-button"></i>
                        </button>
                        <button onclick="setPreviewDevice('mobile')" class="p-1.5 text-slate-500 hover:text-white rounded-md transition-all text-xs preview-device-btn" data-device="mobile" title="Mobile">
                            <i class="fa-solid fa-mobile-screen-button"></i>
                        </button>
                        <div class="w-px h-4 bg-white/[0.06] mx-1"></div>
                        <button onclick="openFullscreen()" class="p-1.5 text-slate-500 hover:text-white rounded-md transition-all text-xs" title="Fullscreen">
                            <i class="fa-solid fa-expand"></i>
                        </button>
                        <button onclick="refreshPreview()" class="p-1.5 text-slate-500 hover:text-brand-400 rounded-md transition-all text-xs" title="Refresh">
                            <i class="fa-solid fa-rotate-right"></i>
                        </button>
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                </div>

                <!-- Preview Content -->
                <div class="flex-1 overflow-auto relative">
                    <div id="preview-wrapper" class="w-full h-full p-6 flex justify-center items-start transition-all duration-500">
                        <iframe id="preview-frame" class="preview-frame rounded-xl shadow-2xl transition-all duration-500" sandbox="allow-scripts allow-same-origin allow-forms allow-modals allow-popups"></iframe>
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        <!-- ═══════════ FILE LIST SIDEBAR (Collapsible) ═══════════ -->
        <div id="file-sidebar" class="fixed left-0 top-[104px] bottom-0 w-56 bg-slate-900/95 backdrop-blur-xl border-r border-white/[0.04] z-40 transform -translate-x-full transition-transform duration-300 shadow-2xl flex flex-col">
            <div class="p-4 border-b border-white/[0.04]">
                <h3 class="text-[11px] font-semibold text-slate-500 uppercase tracking-wider">Project Files</h3>
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                <!-- File list items injected here -->
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                <button onclick="addNewFile()" class="w-full flex items-center justify-center gap-2 px-3 py-2 text-xs font-medium text-brand-300 hover:text-brand-200 bg-brand-500/10 hover:bg-brand-500/15 border border-brand-500/20 rounded-lg transition-all">
                    <i class="fa-solid fa-plus text-[10px]"></i> New File
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        <!-- ═══════════ TOAST NOTIFICATIONS ═══════════ -->
        <div id="toast-container" class="fixed bottom-6 right-6 z-[100] flex flex-col gap-2 pointer-events-none"></div>

        <!-- ═══════════ MODALS ═══════════ -->
        
        <!-- New File Modal -->
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            <div class="bg-slate-900 border border-white/[0.08] rounded-2xl shadow-2xl w-96 overflow-hidden transform transition-all animate-slide-up">
                <div class="p-5 border-b border-white/[0.04]">
                    <h3 class="text-base font-display font-bold text-white">New File</h3>
                    <p class="text-xs text-slate-500 mt-1">Create a new file in your project</p>
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                <div class="p-5 space-y-4">
                    <div>
                        <label class="block text-[11px] font-semibold text-slate-400 uppercase tracking-wider mb-2">File Name</label>
                        <input type="text" id="new-file-name" class="w-full bg-slate-950 border border-white/[0.08] rounded-lg px-3 py-2.5 text-sm text-white placeholder-slate-600 focus:border-brand-500 focus:ring-1 focus:ring-brand-500/20 outline-none transition-all font-mono" placeholder="component.html" onkeydown="if(event.key==='Enter') confirmNewFile()">
                        <p class="text-[10px] text-slate-500 mt-1.5">Supported: .html, .css, .js, .md, .json, .txt</p>
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                <div class="flex items-center gap-2 p-5 border-t border-white/[0.04] bg-slate-950/30">
                    <button onclick="closeModal('new-file-modal')" class="flex-1 px-4 py-2 text-xs font-medium text-slate-400 hover:text-white bg-white/[0.03] hover:bg-white/[0.06] rounded-lg transition-all">Cancel</button>
                    <button onclick="confirmNewFile()" class="flex-1 px-4 py-2 text-xs font-semibold text-white bg-brand-600 hover:bg-brand-500 rounded-lg transition-all shadow-glow-sm">Create File</button>
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            </div>
        </div>

        <!-- Preview Link Modal -->
        <div id="link-modal" class="hidden fixed inset-0 z-[60] flex items-center justify-center bg-black/60 backdrop-blur-sm animate-fade-in">
            <div class="bg-slate-900 border border-white/[0.08] rounded-2xl shadow-2xl w-[480px] overflow-hidden transform transition-all animate-slide-up">
                <div class="p-5 border-b border-white/[0.04] flex items-center justify-between">
                    <div>
                        <h3 class="text-base font-display font-bold text-white">Share Preview</h3>
                        <p class="text-xs text-slate-500 mt-1">Generate a shareable preview link</p>
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                    <button onclick="closeModal('link-modal')" class="text-slate-500 hover:text-white transition-colors">
                        <i class="fa-solid fa-xmark"></i>
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                </div>
                <div class="p-5 space-y-4">
                    <div>
                        <label class="block text-[11px] font-semibold text-slate-400 uppercase tracking-wider mb-2">Preview URL</label>
                        <div class="flex gap-2">
                            <input type="text" id="preview-url" readonly class="flex-1 bg-slate-950 border border-white/[0.08] rounded-lg px-3 py-2.5 text-xs text-slate-400 font-mono focus:border-brand-500 outline-none transition-all" value="">
                            <button onclick="copyPreviewUrl()" class="px-3 py-2 text-xs font-medium text-brand-300 hover:text-brand-200 bg-brand-500/10 hover:bg-brand-500/15 border border-brand-500/20 rounded-lg transition-all">
                                <i class="fa-regular fa-copy"></i>
                            </button>
                        </div>
                    </div>
                    <div class="bg-slate-950/50 rounded-lg p-4 border border-white/[0.04]">
                        <p class="text-[11px] text-slate-500 leading-relaxed">
                            <i class="fa-solid fa-circle-info text-brand-400 mr-1.5"></i>
                            This link contains a Base64-encoded version of your code. Anyone with this link can view your preview. The link is generated locally in your browser - no data is sent to any server.
                        </p>
                    </div>
                </div>
            </div>
        </div>

        <!-- Settings Modal -->
        <div id="settings-modal" class="hidden fixed inset-0 z-[60] flex items-center justify-center bg-black/60 backdrop-blur-sm animate-fade-in">
            <div class="bg-slate-900 border border-white/[0.08] rounded-2xl shadow-2xl w-96 overflow-hidden transform transition-all animate-slide-up">
                <div class="p-5 border-b border-white/[0.04]">
                    <h3 class="text-base font-display font-bold text-white">Editor Settings</h3>
                </div>
                <div class="p-5 space-y-4">
                    <div class="flex items-center justify-between">
                        <label class="text-sm text-slate-300">Auto Refresh</label>
                        <button onclick="toggleSetting('autoRefresh')" id="setting-auto-refresh" class="w-10 h-5 bg-brand-600 rounded-full relative transition-all">
                            <span class="absolute right-1 top-0.5 w-4 h-4 bg-white rounded-full shadow transition-all"></span>
                        </button>
                    </div>
                    <div class="flex items-center justify-between">
                        <label class="text-sm text-slate-300">Line Numbers</label>
                        <button onclick="toggleSetting('lineNumbers')" id="setting-line-numbers" class="w-10 h-5 bg-brand-600 rounded-full relative transition-all">
                            <span class="absolute right-1 top-0.5 w-4 h-4 bg-white rounded-full shadow transition-all"></span>
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                    <div class="flex items-center justify-between">
                        <label class="text-sm text-slate-300">Dark Preview</label>
                        <button onclick="toggleSetting('darkPreview')" id="setting-dark-preview" class="w-10 h-5 bg-slate-700 rounded-full relative transition-all">
                            <span class="absolute left-1 top-0.5 w-4 h-4 bg-white rounded-full shadow transition-all"></span>
                        </button>
                    </div>
                    <div class="flex items-center justify-between">
                        <label class="text-sm text-slate-300">Font Size</label>
                        <div class="flex items-center gap-2">
                            <button onclick="changeFontSize(-1)" class="w-7 h-7 flex items-center justify-center text-xs text-slate-400 hover:text-white bg-white/[0.04] hover:bg-white/[0.08] rounded-md transition-all">-</button>
                            <span id="font-size-display" class="text-xs font-mono text-slate-400 w-8 text-center">13</span>
                            <button onclick="changeFontSize(1)" class="w-7 h-7 flex items-center justify-center text-xs text-slate-400 hover:text-white bg-white/[0.04] hover:bg-white/[0.08] rounded-md transition-all">+</button>
                        </div>
                    </div>
                </div>
                <div class="p-5 border-t border-white/[0.04] bg-slate-950/30">
                    <button onclick="closeModal('settings-modal')" class="w-full px-4 py-2 text-xs font-semibold text-white bg-brand-600 hover:bg-brand-500 rounded-lg transition-all shadow-glow-sm">Done</button>
                </div>
            </div>
        </div>

    </div>

    <script>
        // ═══════════════════════════════════════════════════════
        //  STATE MANAGEMENT
        // ═══════════════════════════════════════════════════════
        
        let files = {
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                content: `<!DOCTYPE html>
<html lang="en">
<head>
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    <title>My Awesome Component</title>
    <link rel="stylesheet" href="style.css">
</head>
<body>
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                <img src="https://images.unsplash.com/photo-1494790108377-be9c29b29330?w=150&h=150&fit=crop&crop=face" alt="Profile">
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            <h1>Sarah Mitchell</h1>
            <p class="role">Product Designer</p>
            <p class="bio">Crafting delightful digital experiences with pixel-perfect precision and a passion for user-centered design.</p>
            <div class="stats">
                <div><span>128</span><small>Projects</small></div>
                <div><span>4.2k</span><small>Followers</small></div>
                <div><span>86</span><small>Reviews</small></div>
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</body>
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