:root { --bg:#0d1014; --ink:#e6edf3; --muted:#8b98a5; --line:#262e38; --accent:#7fd1a0; }
@media (prefers-color-scheme: light) { :root { --bg:#fafafa; --ink:#1b1f24; --muted:#5b6671; --line:#dde2e8; --accent:#0b6e4f; } }
* { box-sizing:border-box; }
body { margin:0; background:var(--bg); color:var(--ink); font:17px/1.65 system-ui,-apple-system,"Segoe UI",sans-serif; }
main { max-width:760px; margin:0 auto; padding:24px 18px 64px; }
nav { display:flex; gap:18px; flex-wrap:wrap; padding-bottom:12px; border-bottom:1px solid var(--line); margin-bottom:24px; }
a { color:var(--accent); }
h1 { font-size:1.9rem; line-height:1.25; margin:.2em 0 .4em; }
h2 { font-size:1.2rem; margin:1.8em 0 .4em; }
.muted { color:var(--muted); font-size:.9rem; }
li { margin:.3em 0; }
footer { margin-top:48px; padding-top:16px; border-top:1px solid var(--line); }