:root{--bg:#f4f6f9;--surface:#fff;--border:#dde3ea;--text:#1a2330;--muted:#5b6878;--brand:#0f2a44;--brand-2:#163a5c;--accent:#0e8a7a;--accent-soft:#e3f4f1;--warn:#b7791f;--warn-soft:#fdf3e0;--danger:#b42318;--danger-soft:#fdecea;--ok:#1f7a3e;--ok-soft:#e6f4ea;--info-soft:#e8f0fb;--radius:10px;--tamil:"Noto Sans Tamil", "Nirmala UI", "Latha", system-ui, sans-serif}*{box-sizing:border-box}html,body{margin:0;padding:0}body{background:var(--bg);color:var(--text);font:14px/1.5 -apple-system,Segoe UI,Inter,Roboto,system-ui,sans-serif}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}h1,h2,h3,h4{margin:0 0 8px;line-height:1.25}h1{font-size:22px}h2{font-size:18px}h3{font-size:15px}h4{color:var(--muted);text-transform:uppercase;letter-spacing:.04em;font-size:13px}p{margin:0 0 8px}code,.mono{font-family:ui-monospace,Consolas,Cascadia Mono,monospace;font-size:12px}.topbar{background:var(--brand);color:#fff;z-index:10;align-items:center;gap:24px;height:54px;padding:0 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