/* ═══════════════════════════════════════
           🎨 CSS Variables & Base
        ═══════════════════════════════════════ */
        :root {
            /* Dark Theme (Default) */
            --bg-primary: #0f0f0f;
            --bg-secondary: #1a1a1a;
            --bg-card: #1f1f1f;
            --bg-input: #2a2a2a;
            --text-primary: #ffffff;
            --text-secondary: #a0a0a0;
            --text-muted: #666666;
            --accent: #c9a227;
            --accent-light: #e6c458;
            --accent-dark: #9a7b1c;
            --success: #22c55e;
            --danger: #ef4444;
            --warning: #f59e0b;
            --border: rgba(255,255,255,0.08);
            --shadow: 0 4px 24px rgba(0,0,0,0.4);
            --radius: 16px;
            --radius-sm: 10px;
        }

        .light-theme {
            --bg-primary: #f8f8f8;
            --bg-secondary: #ffffff;
            --bg-card: #ffffff;
            --bg-input: #f0f0f0;
            --text-primary: #1a1a1a;
            --text-secondary: #555555;
            --text-muted: #999999;
            --accent: #b8941f;
            --accent-light: #d4b030;
            --accent-dark: #8a6d15;
            --border: rgba(0,0,0,0.08);
            --shadow: 0 4px 24px rgba(0,0,0,0.1);
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            -webkit-tap-highlight-color: transparent;
        }

        body {
            font-family: 'IBM Plex Sans Arabic', sans-serif;
            background: var(--bg-primary);
            color: var(--text-primary);
            min-height: 100dvh;
            transition: background 0.3s, color 0.3s;
        }

        /* ═══════════════════════════════════════
           📱 App Container
        ═══════════════════════════════════════ */
        .app {
            max-width: 480px;
            margin: 0 auto;
            min-height: 100dvh;
            display: flex;
            flex-direction: column;
        }

        /* ═══════════════════════════════════════
           🔝 Header
        ═══════════════════════════════════════ */
        .header {
            padding: 20px 20px 16px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            border-bottom: 1px solid var(--border);
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .logo-icon {
            width: 44px;
            height: 44px;
            background: linear-gradient(135deg, var(--accent), var(--accent-light));
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
        }

        .logo-text h1 {
            font-family: 'Amiri', serif;
            font-size: 1.4rem;
            background: linear-gradient(135deg, var(--accent-light), var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .logo-text span {
            font-size: 0.7rem;
            color: var(--text-muted);
        }

        .header-actions {
            display: flex;
            gap: 8px;
        }

        .icon-btn {
            width: 42px;
            height: 42px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--border);
            background: var(--bg-card);
            color: var(--text-secondary);
            font-size: 1.1rem;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all 0.2s;
        }

        .icon-btn:hover {
            border-color: var(--accent);
            color: var(--accent);
        }

        /* ═══════════════════════════════════════
           📑 Tabs Navigation
        ═══════════════════════════════════════ */
        .tabs-nav {
            display: flex;
            padding: 0 20px;
            gap: 4px;
            border-bottom: 1px solid var(--border);
            background: var(--bg-secondary);
        }

        .tab-btn {
            flex: 1;
            padding: 14px 16px;
            background: none;
            border: none;
            color: var(--text-muted);
            font-family: inherit;
            font-size: 0.9rem;
            font-weight: 500;
            cursor: pointer;
            position: relative;
            transition: color 0.2s;
        }

        .tab-btn.active {
            color: var(--accent);
        }

        .tab-btn::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 0;
            height: 2px;
            background: var(--accent);
            border-radius: 2px;
            transition: width 0.2s;
        }

        .tab-btn.active::after {
            width: 60%;
        }

        /* ═══════════════════════════════════════
           📄 Tab Content
        ═══════════════════════════════════════ */
        .tab-content {
            flex: 1;
            overflow-y: auto;
            padding: 20px;
        }

        .tab-panel {
            display: none;
            animation: fadeIn 0.3s ease;
        }

        .tab-panel.active {
            display: block;
        }

        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(10px); }
            to { opacity: 1; transform: translateY(0); }
        }

        /* ═══════════════════════════════════════
           📝 Form Elements
        ═══════════════════════════════════════ */
        .form-group {
            margin-bottom: 18px;
        }

        .form-label {
            display: block;
            font-size: 0.85rem;
            font-weight: 500;
            color: var(--text-secondary);
            margin-bottom: 8px;
        }

        .form-select, .form-input {
            width: 100%;
            height: 52px;
            padding: 0 16px;
            background: var(--bg-input);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            color: var(--text-primary);
            font-family: inherit;
            font-size: 1rem;
            outline: none;
            transition: border-color 0.2s, box-shadow 0.2s;
        }

        .form-select:focus, .form-input:focus {
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(201, 162, 39, 0.15);
        }

        /* ═══════════════════════════════════════
           🔢 Ayah Selection
        ═══════════════════════════════════════ */
        .ayah-selector {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            padding: 16px;
            margin-bottom: 18px;
        }

        .ayah-selector-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 12px;
        }

        .ayah-selector-title {
            font-size: 0.85rem;
            font-weight: 500;
            color: var(--text-secondary);
        }

        .ayah-selector-range {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .ayah-num-display {
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .ayah-num-display input {
            width: 60px;
            height: 44px;
            background: var(--bg-input);
            border: 1px solid var(--border);
            border-radius: 8px;
            color: var(--text-primary);
            font-family: inherit;
            font-size: 1.1rem;
            font-weight: 700;
            text-align: center;
            outline: none;
            transition: border-color 0.2s;
        }

        .ayah-num-display input:focus {
            border-color: var(--accent);
        }

        .ayah-num-display button {
            width: 36px;
            height: 36px;
            background: var(--bg-input);
            border: 1px solid var(--border);
            border-radius: 8px;
            color: var(--accent);
            font-size: 1.2rem;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all 0.2s;
        }

        .ayah-num-display button:hover {
            background: var(--accent);
            color: #000;
        }

        .ayah-separator {
            color: var(--text-muted);
            font-size: 0.9rem;
            padding: 0 4px;
        }

        .ayah-label {
            font-size: 0.75rem;
            color: var(--text-muted);
            text-align: center;
            margin-top: 4px;
        }

        .ayah-row {
            display: flex;
            gap: 12px;
        }

        .ayah-row .form-group {
            flex: 1;
        }

        /* ═══════════════════════════════════════
           🔘 Buttons
        ═══════════════════════════════════════ */
        .btn-primary {
            width: 100%;
            height: 56px;
            background: linear-gradient(135deg, var(--accent), var(--accent-light));
            border: none;
            border-radius: var(--radius-sm);
            color: #000;
            font-family: inherit;
            font-size: 1.05rem;
            font-weight: 700;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            transition: transform 0.2s, box-shadow 0.2s;
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(201, 162, 39, 0.3);
        }

        .btn-primary:active {
            transform: translateY(0);
        }

        .btn-secondary {
            flex: 1;
            height: 48px;
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            color: var(--text-primary);
            font-family: inherit;
            font-size: 0.95rem;
            font-weight: 500;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            transition: all 0.2s;
        }

        .btn-secondary:hover {
            border-color: var(--accent);
            color: var(--accent);
        }

        .btn-row {
            display: flex;
            gap: 10px;
            margin-bottom: 20px;
        }

        .btn-stop {
            background: var(--danger);
            border: none;
            color: #fff;
        }

        .btn-stop:hover {
            background: #dc2626;
            color: #fff;
        }

        .random-btn {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: 8px;
            color: var(--accent);
            font-size: 0.75rem;
            padding: 4px 10px;
            cursor: pointer;
            transition: all 0.2s;
        }

        .random-btn:hover {
            background: var(--accent);
            color: #000;
            border-color: var(--accent);
        }

        /* ═══════════════════════════════════════
           🎚️ Toggle Switches
        ═══════════════════════════════════════ */
        .toggle-group {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            overflow: hidden;
        }

        .toggle-item {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 14px 16px;
            border-bottom: 1px solid var(--border);
        }

        .toggle-item:last-child {
            border-bottom: none;
        }

        .toggle-info h4 {
            font-size: 0.95rem;
            font-weight: 500;
            margin-bottom: 2px;
        }

        .toggle-info span {
            font-size: 0.75rem;
            color: var(--text-muted);
        }

        .switch {
            position: relative;
            width: 48px;
            height: 26px;
        }

        .switch input {
            opacity: 0;
            width: 0;
            height: 0;
        }

        .switch-slider {
            position: absolute;
            inset: 0;
            background: var(--bg-input);
            border-radius: 26px;
            cursor: pointer;
            transition: background 0.3s;
        }

        .switch-slider::before {
            content: '';
            position: absolute;
            width: 20px;
            height: 20px;
            left: 3px;
            bottom: 3px;
            background: #fff;
            border-radius: 50%;
            transition: transform 0.3s;
        }

        .switch input:checked + .switch-slider {
            background: var(--accent);
        }

        .switch input:checked + .switch-slider::before {
            transform: translateX(22px);
        }

        /* ═══════════════════════════════════════
           📊 Progress Section
        ═══════════════════════════════════════ */
        .progress-section {
            display: none;
            text-align: center;
            padding: 30px 20px;
        }

        .progress-section.active {
            display: block;
        }

        .progress-ring {
            width: 140px;
            height: 140px;
            margin: 0 auto 20px;
            position: relative;
        }

        .progress-ring svg {
            transform: rotate(-90deg);
        }

        .progress-ring circle {
            fill: none;
            stroke-width: 8;
            stroke-linecap: round;
        }

        .progress-ring .bg {
            stroke: var(--bg-input);
        }

        .progress-ring .fill {
            stroke: var(--accent);
            stroke-dasharray: 408;
            stroke-dashoffset: 408;
            transition: stroke-dashoffset 0.5s ease;
        }

        .progress-percent {
            position: absolute;
            inset: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 2rem;
            font-weight: 700;
            color: var(--text-primary);
        }

        .progress-status {
            font-size: 0.95rem;
            color: var(--text-secondary);
            margin-bottom: 8px;
        }

        .progress-eta {
            font-size: 0.85rem;
            color: var(--accent);
            font-family: monospace;
        }

        /* ═══════════════════════════════════════
           ✅ Result Section
        ═══════════════════════════════════════ */
        .result-section {
            display: none;
            text-align: center;
        }

        .result-section.active {
            display: block;
        }

        .result-video {
            width: 100%;
            border-radius: var(--radius);
            background: #000;
            margin-bottom: 16px;
        }

        .result-actions {
            display: flex;
            gap: 10px;
        }

        .result-actions-secondary {
            margin-top: 10px;
        }

        .result-storage-note {
            margin-top: 12px;
            padding: 10px 12px;
            border: 1px solid var(--border);
            border-radius: 10px;
            background: var(--bg-card);
            font-size: 0.8rem;
            color: var(--text-secondary);
            text-align: left;
            direction: ltr;
            word-break: break-all;
        }

        .result-actions .btn-secondary {
            flex: 1;
        }

        .btn-download {
            background: var(--success);
            border: none;
            color: #fff;
        }

        .btn-download:hover {
            background: #16a34a;
            color: #fff;
        }

        /* ═══════════════════════════════════════
           📜 History Section
        ═══════════════════════════════════════ */
        .history-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 16px;
        }

        .history-header h3 {
            font-size: 1rem;
            font-weight: 600;
        }

        .history-empty {
            text-align: center;
            padding: 40px 20px;
            color: var(--text-muted);
        }

        .history-empty-icon {
            font-size: 3rem;
            margin-bottom: 12px;
            opacity: 0.5;
        }

        .history-item {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            padding: 14px;
            margin-bottom: 10px;
        }

        .history-item-header {
            display: flex;
            justify-content: space-between;
            align-items: flex-start;
            margin-bottom: 8px;
        }

        .history-item-title {
            font-weight: 600;
            font-size: 0.95rem;
        }

        .history-item-status {
            font-size: 0.85rem;
        }

        .history-item-meta {
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-bottom: 10px;
        }

        .history-item-actions {
            display: flex;
            gap: 8px;
        }

        .history-item-actions button,
        .history-item-actions a {
            flex: 1;
            height: 38px;
            background: var(--bg-input);
            border: 1px solid var(--border);
            border-radius: 8px;
            color: var(--text-primary);
            font-family: inherit;
            font-size: 0.85rem;
            font-weight: 500;
            cursor: pointer;
            text-decoration: none;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            transition: all 0.2s;
        }

        .history-item-actions button:hover,
        .history-item-actions a:hover {
            border-color: var(--accent);
            color: var(--accent);
        }

        .history-item-actions .btn-delete {
            color: var(--danger);
            border-color: rgba(239, 68, 68, 0.3);
        }

        .history-item-actions .btn-delete:hover {
            background: rgba(239, 68, 68, 0.1);
            border-color: var(--danger);
        }

        .history-timer {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 3px 8px;
            background: rgba(245, 158, 11, 0.1);
            border-radius: 6px;
            font-size: 0.75rem;
            color: var(--warning);
            margin-right: 8px;
        }

        .history-timer.urgent {
            background: rgba(239, 68, 68, 0.1);
            color: var(--danger);
        }

        /* ═══════════════════════════════════════
           🎞️ Media Hub
        ═══════════════════════════════════════ */
        .media-filters {
            display: grid;
            grid-template-columns: repeat(3, minmax(0, 1fr));
            gap: 8px;
            margin-bottom: 12px;
        }

        .media-filter-btn {
            height: 36px;
            border: 1px solid var(--border);
            background: var(--bg-input);
            color: var(--text-secondary);
            border-radius: 8px;
            font-family: inherit;
            font-size: 0.78rem;
            cursor: pointer;
        }

        .media-filter-btn.active {
            border-color: var(--accent);
            color: var(--accent);
            background: rgba(201, 162, 39, 0.1);
        }

        .media-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            padding: 12px;
            margin-bottom: 10px;
        }

        .media-card-head {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 8px;
            margin-bottom: 6px;
        }

        .media-title {
            font-size: 0.9rem;
            font-weight: 600;
        }

        .media-badge {
            font-size: 0.72rem;
            border: 1px solid var(--border);
            border-radius: 999px;
            padding: 2px 8px;
            color: var(--text-secondary);
            white-space: nowrap;
        }

        .media-meta {
            font-size: 0.78rem;
            color: var(--text-muted);
            margin-bottom: 10px;
        }

        .media-actions {
            display: grid;
            grid-template-columns: repeat(3, minmax(0, 1fr));
            gap: 8px;
        }

        .media-actions button,
        .media-actions a {
            height: 34px;
            border: 1px solid var(--border);
            background: var(--bg-input);
            color: var(--text-primary);
            border-radius: 8px;
            font-size: 0.76rem;
            font-family: inherit;
            text-decoration: none;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
        }

        .media-actions .danger {
            color: var(--danger);
            border-color: rgba(239, 68, 68, 0.3);
        }

        /* ═══════════════════════════════════════
           ⚙️ Settings Panel
        ═══════════════════════════════════════ */
        .settings-section {
            margin-bottom: 24px;
        }

        .settings-section h4 {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--accent);
            margin-bottom: 12px;
            padding-bottom: 8px;
            border-bottom: 1px solid var(--border);
        }

        .settings-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 12px 0;
            border-bottom: 1px solid var(--border);
        }

        .settings-row:last-child {
            border-bottom: none;
        }

        .settings-label {
            font-size: 0.9rem;
            color: var(--text-primary);
        }

        .settings-controls {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .color-picker {
            width: 36px;
            height: 36px;
            border: 2px solid var(--border);
            border-radius: 8px;
            cursor: pointer;
            overflow: hidden;
        }

        .color-picker::-webkit-color-swatch-wrapper {
            padding: 0;
        }

        .color-picker::-webkit-color-swatch {
            border: none;
            border-radius: 6px;
        }

        .size-slider {
            width: 80px;
            height: 4px;
            accent-color: var(--accent);
        }

        /* ═══════════════════════════════════════
           🔔 Toast Notifications
        ═══════════════════════════════════════ */
        .toast-container {
            position: fixed;
            bottom: 100px;
            left: 50%;
            transform: translateX(-50%);
            z-index: 1000;
            display: flex;
            flex-direction: column;
            gap: 8px;
            pointer-events: none;
        }

        .toast {
            padding: 12px 20px;
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            box-shadow: var(--shadow);
            font-size: 0.9rem;
            animation: toastIn 0.3s ease, toastOut 0.3s ease 2.7s forwards;
            pointer-events: auto;
        }

        .toast.success {
            border-color: var(--success);
            color: var(--success);
        }

        .toast.error {
            border-color: var(--danger);
            color: var(--danger);
        }

        @keyframes toastIn {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }

        @keyframes toastOut {
            from { opacity: 1; }
            to { opacity: 0; }
        }

        /* ═══════════════════════════════════════
           📱 Preview Box (Settings)
        ═══════════════════════════════════════ */
        .preview-box {
            background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
            border-radius: var(--radius);
            padding: 30px 20px;
            text-align: center;
            margin-bottom: 20px;
            position: relative;
            overflow: hidden;
        }

        .preview-box::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(circle at 50% 50%, transparent 30%, rgba(0,0,0,0.6) 100%);
            pointer-events: none;
        }

        .preview-ar {
            font-family: 'Amiri', serif;
            font-size: 1.5rem;
            margin-bottom: 10px;
            position: relative;
            z-index: 1;
        }

        .preview-en {
            font-size: 0.85rem;
            color: #ccc;
            position: relative;
            z-index: 1;
        }

        .safe-guide-line {
            position: absolute;
            left: 8%;
            right: 8%;
            border-top: 1px dashed rgba(255, 209, 102, 0.75);
            display: none;
            z-index: 2;
            pointer-events: none;
        }

        .safe-guide-line.top { top: 12%; }
        .safe-guide-line.bottom { bottom: 12%; }

        /* ═══════════════════════════════════════
           🔧 Advanced Options
        ═══════════════════════════════════════ */
        .advanced-toggle {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px;
            background: var(--bg-card);
            border: 1px dashed var(--border);
            border-radius: var(--radius-sm);
            color: var(--text-muted);
            font-size: 0.85rem;
            cursor: pointer;
            margin-bottom: 16px;
            transition: all 0.2s;
        }

        .advanced-toggle:hover {
            border-color: var(--accent);
            color: var(--accent);
        }

        .advanced-options {
            display: none;
        }

        .advanced-options.show {
            display: block;
        }

        /* ═══════════════════════════════════════
           📱 Responsive
        ═══════════════════════════════════════ */
        @media (max-width: 400px) {
            .header {
                padding: 16px 16px 12px;
            }
            
            .tab-content {
                padding: 16px;
            }
            
            .logo-text h1 {
                font-size: 1.2rem;
            }
        }