:root { --bg:#fbfaf8; --fg:#1d1d1b; --muted:#5f5d58; --line:#e4e1db; --accent:#2f5d50; }
@media (prefers-color-scheme: dark) { :root { --bg:#161615; --fg:#ecebe8; --muted:#a3a19b; --line:#2e2d2a; --accent:#8cc4b3; } }
* { box-sizing: border-box; }
body { margin:0; background:var(--bg); color:var(--fg); font:16px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif; }
main { max-width: 720px; margin: 0 auto; padding: 48px 16px 64px; }
header a { color: var(--fg); text-decoration: none; font-weight: 600; }
h1 { font-size: 1.9rem; line-height: 1.25; margin: 32px 0 8px; }
h2 { font-size: 1.15rem; margin: 32px 0 8px; }
p, li { color: var(--fg); }
.muted, footer { color: var(--muted); font-size: .9rem; }
a { color: var(--accent); }
nav { display:flex; flex-wrap:wrap; gap: 4px 16px; margin-top: 8px; font-size: .95rem; }
footer { border-top: 1px solid var(--line); margin-top: 48px; padding-top: 16px; }