:root{--bg:#f7f8fa;--card:#fff;--ink:#14181f;--muted:#566070;--line:#d9dee6;--accent:#1857c9;--accent-ink:#fff;--neg:#b3261e;--warn-bg:#fff4d6;--warn-line:#b07d00;--alt-bg:#e6f0ff;--font:system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;--mono:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}@media (prefers-color-scheme:dark){:root{--bg:#0f1319;--card:#171c24;--ink:#e8ecf2;--muted:#9aa5b5;--line:#2b3340;--accent:#7ab0ff;--accent-ink:#0b1220;--neg:#ff8a80;--warn-bg:#3a2f0b;--warn-line:#d9a521;--alt-bg:#16294a}}*{box-sizing:border-box}body{background:var(--bg);color:var(--ink);font:16px/1.55 var(--font);font-variant-numeric:tabular-nums;margin:0}main{max-width:1080px;margin:0 auto;padding:16px}h1{letter-spacing:-.02em;margin:.2em 0;font-size:clamp(1.7rem,4.5vw,2.6rem);line-height:1.15}h2{margin:.1em 0 .6em;font-size:1.2rem}h3{margin:1.2em 0 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