:root { --bg:#0e1116; --fg:#e8eaed; --muted:#9aa3ae; --accent:#ff6b6b; --line:#232a33; }
@media (prefers-color-scheme: light) { :root { --bg:#fafafa; --fg:#15181d; --muted:#5b6570; --accent:#c62828; --line:#e2e5e9; } }
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--fg); font: 17px/1.65 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
main { max-width: 42rem; margin: 0 auto; padding: 3rem 1.25rem 4rem; }
h1 { font-size: 1.9rem; line-height: 1.2; margin: 0 0 .25rem; }
h2 { font-size: 1.15rem; margin: 2.2rem 0 .4rem; padding-top: 1rem; border-top: 1px solid var(--line); }
.meta, footer { color: var(--muted); font-size: .9rem; }
a { color: var(--accent); }
ul, ol { padding-left: 1.3rem; }
nav { display: flex; gap: 1.25rem; flex-wrap: wrap; margin: 0 0 2rem; font-size: .95rem; }
footer { margin-top: 3rem; border-top: 1px solid var(--line); padding-top: 1rem; }