.deep-dive {
            margin: 1.8rem 0;
        }
        .deep-dive p {
            text-align: justify;
        }
        .unit-note {
            font-size: 0.9rem;
            color: #6c757d;
        }
        .canvas-container {
            text-align: center;
            margin-top: 1rem;
        }
        .legend {
            display: flex;
            justify-content: center;
            gap: 2rem;
            margin: 0.5rem 0;
            font-size: 0.9rem;
        }
        .legend-item {
            display: flex;
            align-items: center;
            gap: 0.3rem;
        }
        .legend-color {
            width: 16px;
            height: 16px;
            border-radius: 50%;
        }
        .legend-color.red {
            background-color: #dc3545;
        }
        .legend-color.blue {
            background-color: #0d6efd;
        }
        .legend-color.gray {
            background-color: #6c757d;
        }
        .pdf-preview-frame {
            width: 100%;
            height: 500px;
            border: 1px solid #ddd;
            border-radius: 8px;
            background-color: #f5f5f5;
        }
        .file-info {
            background-color: #f8f9fa;
            padding: 0.75rem 1rem;
            border-radius: 4px;
            margin: 0.5rem 0;
        }
        .input-area textarea {
            font-family: 'Courier New', monospace;
            font-size: 0.9rem;
            resize: vertical;
            min-height: 150px;
        }
        .status-badge {
            padding: 0.25rem 0.75rem;
            border-radius: 20px;
            font-size: 0.85rem;
        }
        .status-badge.valid {
            background-color: #d4edda;
            color: #155724;
        }
        .status-badge.invalid {
            background-color: #f8d7da;
            color: #721c24;
        }
        .status-badge.pending {
            background-color: #fff3cd;
            color: #856404;
        }
        .btn-download {
            background-color: #28a745;
            color: white;
        }
        .btn-download:hover {
            background-color: #218838;
            color: white;
        }
        .btn-copy {
            background-color: #6c757d;
            color: white;
        }
        .btn-copy:hover {
            background-color: #5a6268;
            color: white;
        }
        .section-title-custom {
            font-size: 1.5rem;
            font-weight: 600;
            margin-top: 2rem;
            margin-bottom: 1rem;
            color: var(--accent-color);
        }