:root {
            --primary-color: #4a6fa5;
            --secondary-color: #c0d6df;
            --accent-color: #166088;
            --light-gray: #f8f9fa;
            --border-color: #eaeaea;
            --text-color: #333;
            --text-muted: #6c757d;
            --success-color: #28a745;
            --warning-color: #ffc107;
            --danger-color: #dc3545;
            --code-color: #6f42c1;
        }
   .page-header {
            background: linear-gradient(135deg, rgba(192, 214, 223, 0.4) 0%, rgba(74, 111, 165, 0.4) 100%);
            padding: 1.5rem 0;
            margin-bottom: 2rem;
            border-bottom: 1px solid rgba(74, 111, 165, 0.2);
            position: relative;
            overflow: hidden;  color: var(--text-color);
        }
        .breadcrumb {
            background-color: transparent;
            padding: 0.5rem 0;
            margin-bottom: 0.5rem;
        }
        .breadcrumb-item a {
            color: var(--text-muted);
            text-decoration: none;
        }
        .breadcrumb-item.active {
            color: var(--text-color);
        }
        .form-control:focus {
            border-color: var(--primary-color);
            box-shadow: 0 0 0 3px rgba(74, 111, 165, 0.15);
        }
        .code-container {
            border-radius: 6px;
            overflow: hidden;
            margin-bottom: 1.5rem;
            border: 1px solid var(--border-color);
        }
        .code-header {
            background-color: var(--light-gray);
            padding: 0.75rem 1rem;
            border-bottom: 1px solid var(--border-color);
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .code-title {
            font-weight: 600;
            color: var(--primary-color);
            margin: 0;
        }
        .code-actions {
            display: flex;
            gap: 0.5rem;
        }
        .code-btn {
            background: white;
            border: 1px solid var(--border-color);
            border-radius: 4px;
            padding: 0.25rem 0.75rem;
            font-size: 0.875rem;
            color: var(--text-color);
            cursor: pointer;
            transition: all 0.2s;
        }
        .code-btn:hover {
            background-color: var(--light-gray);
            color: var(--primary-color);
        }
        .CodeMirror {
            height: 300px;
            font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
            font-size: 14px;
            border-radius: 0 0 6px 6px;
        }
        .options-card {
            background-color: var(--light-gray);
            border-radius: 6px;
            padding: 1.5rem;
            margin-top: 1.5rem;
            border: 1px solid var(--border-color);
        }
        .options-title {
            font-weight: 600;
            margin-bottom: 1rem;
            color: var(--primary-color);
        }
        .form-check {
            margin-bottom: 0.75rem;
        }
        .form-check-input:checked {
            background-color: var(--primary-color);
            border-color: var(--primary-color);
        }
        .form-check-label {
            font-weight: 500;
        }
        .option-description {
            font-size: 0.875rem;
            color: var(--text-muted);
            margin-left: 1.5rem;
            margin-top: 0.25rem;
        }
        .stats-card {
            background: white;
            border-radius: 8px;
            padding: 1.5rem;
            border: 1px solid var(--border-color);
            margin-bottom: 1.5rem;
            box-shadow: 0 2px 4px rgba(0,0,0,0.05);
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
            gap: 1rem;
        }
        .stat-item {
            text-align: center;
            padding: 1rem;
            background-color: rgba(255,255,255,0.7);
            border-radius: 6px;
            border: 1px solid var(--border-color);
        }
        .stat-value {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--primary-color);
            margin-bottom: 0.25rem;
        }
        .stat-label {
            color: var(--text-muted);
            font-size: 0.875rem;
        }
        .warning-box {
            background-color: rgba(255, 193, 7, 0.1);
            border-left: 3px solid var(--warning-color);
            padding: 1rem;
            border-radius: 0 4px 4px 0;
            margin: 1.5rem 0;
        }
        .danger-box {
            background-color: rgba(220, 53, 69, 0.1);
            border-left: 3px solid var(--danger-color);
            padding: 1rem;
            border-radius: 0 4px 4px 0;
            margin: 1.5rem 0;
        }
        @media (max-width: 768px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        .code-examples {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
            margin: 1rem 0;
        }
        .example-btn {
            background-color: rgba(74, 111, 165, 0.1);
            border: 1px solid rgba(74, 111, 165, 0.2);
            border-radius: 4px;
            padding: 0.5rem 0.75rem;
            font-size: 0.9rem;
            color: var(--primary-color);
            cursor: pointer;
            transition: all 0.2s;
            font-family: 'Courier New', monospace;
        }
        .example-btn:hover {
            background-color: rgba(74, 111, 165, 0.2);
            transform: translateY(-2px);
        }
        .toggle-switch {
            position: relative;
            display: inline-block;
            width: 50px;
            height: 24px;
            margin-right: 10px;
            vertical-align: middle;
        }
        .toggle-switch input {
            opacity: 0;
            width: 0;
            height: 0;
        }
        .toggle-slider {
            position: absolute;
            cursor: pointer;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-color: #ccc;
            transition: .4s;
            border-radius: 24px;
        }
        .toggle-slider:before {
            position: absolute;
            content: "";
            height: 16px;
            width: 16px;
            left: 4px;
            bottom: 4px;
            background-color: white;
            transition: .4s;
            border-radius: 50%;
        }
        input:checked + .toggle-slider {
            background-color: var(--primary-color);
        }
        input:checked + .toggle-slider:before {
            transform: translateX(26px);
        }
        .tab-container {
            margin-bottom: 1.5rem;
        }
        .tab-nav {
            display: flex;
            border-bottom: 1px solid var(--border-color);
            margin-bottom: 1rem;
        }
        .tab-btn {
            padding: 0.75rem 1.5rem;
            background: none;
            border: none;
            border-bottom: 3px solid transparent;
            font-weight: 600;
            color: var(--text-muted);
            cursor: pointer;
            transition: all 0.3s;
        }
        .tab-btn.active {
            color: var(--primary-color);
            border-bottom-color: var(--primary-color);
        }
        .tab-content {
            display: none;
        }
        .tab-content.active {
            display: block;
        }
        .comparison-table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.5rem 0;
        }
        .comparison-table th, .comparison-table td {
            padding: 0.75rem;
            text-align: left;
            border: 1px solid var(--border-color);
        }
        .comparison-table th {
            background-color: var(--light-gray);
            font-weight: 600;
        }
        .comparison-table tr:nth-child(even) {
            background-color: rgba(74, 111, 165, 0.05);
        }