.notebook-header{margin-bottom:38px;padding-bottom:24px;border-bottom:1px solid var(--line)}
.notebook-header p,.cell-label{color:var(--muted);font:13px/1.4 ui-monospace,SFMono-Regular,Menlo,monospace}
.notebook-header h1{margin-bottom:8px}
.notebook-code{position:relative;margin:26px 0}
.notebook-code>pre{margin:6px 0}
.outputs{padding:12px 0 4px}
.outputs pre{background:#f8fafc;color:var(--ink);border:1px solid var(--line)}
.notebook-markdown{margin:28px 0}