:root{--bg:#f7f8fa;--bg-alt:#fff;--bg-raised:#fff;--text:#16181d;--text-muted:#5a6472;--border:#e3e7ec;--accent:#1d6ef2;--accent-hover:#1558c9;--accent-soft:#eef0f3;--green:#16a34a;--green-soft:#e7f6ec;--red:#dc2626;--red-soft:#fdecec;--amber:#b45309;--amber-soft:#fdf3e0;--shadow:0 1px 2px #0f141e0d;--radius:12px;--max-width:1120px;--content-width:760px;color-scheme:light}[data-theme=dark]{--bg:#0d1117;--bg-alt:#131922;--bg-raised:#1a2230;--text:#e8ecf2;--text-muted:#96a0af;--border:#263041;--accent:#4d8dff;--accent-hover:#6ea3ff;--accent-soft:#1e2530;--green:#34d17b;--green-soft:#12291c;--red:#f0564f;--red-soft:#331414;--amber:#e0a234;--amber-soft:#2e2410;--shadow:0 1px 2px #0000004d;color-scheme:dark}*{box-sizing:border-box}html{scroll-behavior:smooth}body{background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;text-rendering:optimizelegibility;margin:0;font-family:Inter,Segoe 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