   
        .CodeMirror-lines {
            padding: 8px 0;
        }
        
        .syntax-highlight {
            background: var(--code-background);
        }
        
        /* Markdown Cell */
        .cell-type-markdown .markdown-preview {
            padding: 12px;
            cursor: pointer;
        }
        
        .cell-type-markdown .markdown-preview h1 { font-size: 2em; margin: 0.67em 0; }
        .cell-type-markdown .markdown-preview h2 { font-size: 1.5em; margin: 0.75em 0; }
        .ce