.editor-container {
            display: grid;
            grid-template-columns: 1fr;
            gap: 20px;
            margin-bottom: 20px;
        }
        .editor-panel {
            background: #f8f9fa;
            border: 2px solid #e9ecef;
            border-radius: 6px;
            padding: 15px;
        }
        .editor-panel h3 {
            margin: 0 0 10px 0;
            color: #007acc;
            font-size: 16px;
        }
        textarea {
            width: calc(100% - 28px);
            height: 200px;
            font-family: 'Courier New', monospace;
            font-size: 14px;
            border: 1px solid #ddd;
            border-radius: 4px;
            padding: 10px;
            resize: vertical;
        }
        .controls {
            display: flex;
            gap: 10px;
            margin: 10px 0;
        }
        .btn {
            padding: 8px 16px;
            border: none;
            border-radius: 4px;
            cursor: pointer;
            font-size: 14px;
        }
        .btn-primary {
            background: #007acc;
            color: white;
        }
        .btn-secondary {
            background: #6c757d;
            color: white;
        }
        #diagram-output {
            min-height: 300px;
            border: 1px solid #ddd;
            border-radius: 4px;
            padding: 20px;
            background: white;
            text-align: center;
            overflow: hidden;
            cursor: grab;
            position: relative;
        }
        #diagram-output.panning {
            cursor: grabbing;
        }
        #diagram-output svg {
            transition: transform 0.1s ease;
        }
        .error {
            color: #dc3545;
            background: #f8d7da;
            padding: 10px;
            border-radius: 4px;
            margin: 10px 0;
        }
        .examples {
            display: flex;
            gap: 10px;
            margin: 10px 0;
            flex-wrap: wrap;
        }
        .example-btn {
            padding: 5px 10px;
            background: #e9ecef;
            border: 1px solid #ddd;
            border-radius: 4px;
            cursor: pointer;
            font-size: 12px;
        }
        .example-btn:hover {
            background: #dee2e6;
        }