.converter-card {
            background: white;
            border-radius: 16px;
            box-shadow: 0 8px 20px rgba(0,0,0,0.05);
            padding: 1.5rem;
            margin-bottom: 2rem;
        }
        .html-editor {
            font-family: 'SF Mono', 'Courier New', monospace;
            font-size: 0.9rem;
            background: #f8f9fc;
            border: 1px solid #dee2e6;
            border-radius: 12px;
            padding: 1rem;
            width: 100%;
            resize: vertical;
        }
        .preview-iframe {
            width: 100%;
            height: 450px;
            border: 1px solid #dee2e6;
            border-radius: 12px;
            background: white;
            box-shadow: 0 2px 8px rgba(0,0,0,0.05);
        }
        .action-buttons .btn {
            margin-right: 0.75rem;
            margin-bottom: 0.5rem;
        }
        .info-badge {
            background-color: #eef2ff;
            padding: 0.5rem 1rem;
            border-radius: 40px;
            font-size: 0.85rem;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }
        .example-card {
            background: #f9fafb;
            border-radius: 12px;
            padding: 1rem;
            margin-top: 1rem;
            cursor: pointer;
            transition: all 0.2s;
        }
        .example-card:hover {
            background: #eef2ff;
            transform: translateY(-2px);
        }
        .step-circle {
            width: 36px;
            height: 36px;
            background: #0d6efd;
            color: white;
            border-radius: 50%;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
            margin-right: 12px;
        }
        .feature-icon {
            font-size: 2rem;
            color: #0d6efd;
            margin-bottom: 0.75rem;
        }
        @media (max-width: 768px) {
            .preview-iframe { height: 300px; }
        }
        .word-compatibility-note {
            background: #e9ecef;
            border-left: 4px solid #2c6e9e;
            padding: 1rem;
            border-radius: 8px;
        }
        .authority-badge {
            background: #e9f5e9;
            color: #2b5e2b;
            padding: 0.25rem 0.75rem;
            border-radius: 30px;
            font-size: 0.8rem;
        }
        .editor-section {
            margin-bottom: 2rem;
        }
        .preview-section {
            margin-top: 0.5rem;
        }
        table { border-collapse: collapse; width: 100%; }
        th, td { border: 1px solid #aaa; padding: 6px; }