:root { color-scheme: light dark; --bg:#fff; --fg:#1b1b1f; --muted:#5f6368; --link:#0b57d0; }
@media (prefers-color-scheme: dark) { :root { --bg:#131316; --fg:#e6e6ea; --muted:#9aa0a6; --link:#8ab4f8; } }
* { 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:32px 16px 64px; }
h1 { font-size:1.8rem; margin:0 0 4px; }
h2 { font-size:1.2rem; margin:32px 0 8px; }
.meta { color:var(--muted); margin:0 0 24px; }
a { color:var(--link); }
ul { padding-left:20px; }