:root{--bg:#0b0e14;--bg-elev:#121722;--bg-elev-2:#1a2130;--border:#26303f;--text:#e6ebf2;--text-dim:#94a3b8;--text-faint:#64748b;--accent:#4f8cff;--accent-dim:#2b4a8a;--success:#22c55e;--warn:#f59e0b;--danger:#ef4444;--radius:10px;--sidebar-w:232px;font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif}*{box-sizing:border-box}body,html{margin:0;padding:0;background:var(--bg);color:var(--text);font-size:14px;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}h1,h2,h3{margin:0;font-weight:600}.shell{display:grid;grid-template-columns:var(--sidebar-w) 1fr;min-height:100vh}.sidebar{background:var(--bg-elev);border-right:1px solid var(--border);padding:18px 12px;display:flex;flex-direction:column;gap:4px;position:-webkit-sticky;position:sticky;top:0;height:100vh}.brand{display:flex;align-items:center;gap:10px;padding:6px 10px 18px;font-weight:700;font-size:16px;letter-spacing:.2px}.brand 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