.converter-area {
            display: flex;
            flex-direction: column;
            gap: 1rem;
            margin: 1.5rem 0;
        }
        .converter-row {
            display: flex;
            flex-wrap: wrap;
            gap: 1.5rem;
        }
        .converter-col {
            flex: 1 1 45%;
            min-width: 280px;
        }
        .converter-col textarea {
            width: 100%;
            min-height: 280px;
            font-family: 'Courier New', monospace;
            font-size: 0.9rem;
            padding: 0.75rem;
            border: 1px solid var(--border-color);
            border-radius: 6px;
            background: #fafafa;
            resize: vertical;
            transition: border-color 0.2s;
        }
        .converter-col textarea:focus {
            outline: none;
            border-color: var(--primary-color);
            box-shadow: 0 0 0 3px rgba(70, 130, 180, 0.15);
        }
        .converter-col textarea.markdown-output {
            background: #f8f9fc;
        }
        .converter-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 0.75rem;
            align-items: center;
            margin: 0.5rem 0;
        }
        .converter-actions .btn {
            min-width: 100px;
        }
        .preset-buttons {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
            margin: 0.5rem 0;
        }
        .preset-btn {
            background: rgba(70, 130, 180, 0.08);
            border: 1px solid rgba(70, 130, 180, 0.2);
            border-radius: 4px;
            padding: 0.4rem 0.8rem;
            font-size: 0.8rem;
            color: var(--primary-color);
            cursor: pointer;
            transition: all 0.2s;
            font-family: 'Courier New', monospace;
        }
        .preset-btn:hover {
            background: rgba(70, 130, 180, 0.18);
            transform: translateY(-1px);
        }
        .char-count {
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-left: auto;
        }
        .converter-stats {
            display: flex;
            gap: 1.5rem;
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-top: 0.25rem;
        }
        .converter-stats span {
            background: rgba(70, 130, 180, 0.06);
            padding: 0.2rem 0.8rem;
            border-radius: 12px;
        }
        .converter-stats .stat-value {
            font-weight: 600;
            color: var(--accent-color);
        }
        .converter-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 0.25rem;
        }
        .converter-header label {
            font-weight: 600;
            font-size: 0.95rem;
            margin-bottom: 0;
        }
        .converter-header .badge-label {
            font-size: 0.7rem;
            font-weight: 400;
            background: var(--light-gray);
            color: var(--text-muted);
            padding: 0.15rem 0.6rem;
            border-radius: 12px;
        }
        .preview-toggle {
            cursor: pointer;
            color: var(--primary-color);
            font-size: 0.85rem;
        }
        .preview-toggle:hover {
            text-decoration: underline;
        }
        .property-table th,
        .property-table td {
            padding: 0.75rem;
            text-align: left;
            border: 1px solid var(--border-color);
        }
        .copy-feedback {
            position: fixed;
            bottom: 20px;
            right: 20px;
            background: #28a745;
            color: white;
            padding: 0.75rem 1.5rem;
            border-radius: 8px;
            font-weight: 500;
            box-shadow: 0 4px 12px rgba(0,0,0,0.15);
            opacity: 0;
            transform: translateY(20px);
            transition: opacity 0.3s, transform 0.3s;
            z-index: 9999;
            pointer-events: none;
        }
        .copy-feedback.show {
            opacity: 1;
            transform: translateY(0);
        }
        @media (max-width: 768px) {
            .converter-col {
                flex: 1 1 100%;
            }
            .converter-col textarea {
                min-height: 200px;
            }
        }