:root{--navy-900:#14253b;--navy-800:#1f3a5f;--navy-700:#2a4a73;--teal:#2e75b6;--teal-600:#2766a3;--gold:#b8860b;--cream:#faf7f0;--success:#2e7d32;--warning:#e8a317;--danger:#c0392b;--line:rgba(20,37,59,.1);--ring:rgba(46,117,182,.18)}*{box-sizing:border-box}body,html{margin:0;padding:0}body{font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;color:var(--navy-900);background:var(--cream);-webkit-font-smoothing:antialiased}h1,h2,h3{font-family:"Source Serif 4",Georgia,serif;font-weight:600}.mono{font-family:JetBrains Mono,ui-monospace,SFMono-Regular,Menlo,monospace}.shell{display:grid;grid-template-columns:264px 1fr;min-height:100vh}.side{background:var(--navy-900);color:#fff;padding:18px 14px;position:-webkit-sticky;position:sticky;top:0;height:100vh;overflow-y:auto}.brand{display:flex;gap:10px;align-items:center;padding:6px 8px 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