.json-textarea {
            font-family: 'Courier New', 'Fira Code', monospace;
            font-size: 0.9rem;
            background-color: #f8f9fa;
            border: 1px solid #ced4da;
            border-radius: 6px;
            padding: 1rem;
            width: 100%;
            resize: vertical;
            min-height: 260px;
        }
        .preview-table-container {
            max-height: 280px;
            overflow-y: auto;
            border: 1px solid #e9ecef;
            border-radius: 8px;
            background: white;
        }
        .preview-table {
            font-size: 0.8rem;
            margin-bottom: 0;
        }
        .preview-table th {
            background-color: #f1f3f5;
            position: sticky;
            top: 0;
            z-index: 10;
            font-weight: 600;
        }
        .badge-flat {
            background-color: #e9ecef;
            color: #2c3e50;
            padding: 0.3rem 0.7rem;
            border-radius: 30px;
            font-weight: 500;
        }
        .inline-code {
            background: #f1f3f5;
            padding: 0.2rem 0.4rem;
            border-radius: 6px;
            font-family: monospace;
            font-size: 0.85rem;
        }
        .step-badge {
            background-color: #e7f1ff;
            color: #0d6efd;
            border-radius: 40px;
            padding: 0.3rem 0.8rem;
            display: inline-block;
            font-weight: 500;
        }
        .csv-delimiter-select {
            width: auto;
            display: inline-block;
        }