:root { --ink:#17181c; --muted:#6b7280; --line:#e5e7eb; --accent:#2b59ff; }
body { font:16px/1.7 system-ui,-apple-system,sans-serif; color:var(--ink); background:#fff;
       max-width:38rem; margin:0 auto; padding:3.5rem 1.25rem 5rem; }
h1 { font-size:1.7rem; letter-spacing:-0.02em; margin:0 0 .3rem; }
h2 { font-size:1.05rem; margin:2.2rem 0 .5rem; }
.maj { color:var(--muted); font-size:.9rem; margin:0 0 2rem; }
ul { padding-left:1.2rem; }
li { margin:.3rem 0; }
code { background:var(--line); padding:1px 5px; border-radius:3px; font-size:.9em; }
a { color:var(--accent); }
@media (prefers-color-scheme: dark) {
  :root { --ink:#f3f4f6; --muted:#9ca3af; --line:#2a2d35; }
  body { background:#111216; }
}