:root { --bg: #fffdf9; --fg: #222; --muted: #6b6b6b; --link: #b0306a; }
@media (prefers-color-scheme: dark) { :root { --bg: #161616; --fg: #eee; --muted: #9a9a9a; --link: #f08bb5; } }
body { margin: 0; background: var(--bg); color: var(--fg); font: 17px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif; }
main { max-width: 680px; margin: 0 auto; padding: 48px 16px 64px; }
h1 { font-size: 1.9rem; margin: 0.4em 0; }
h2 { font-size: 1.15rem; margin-top: 2em; }
a { color: var(--link); }
.muted { color: var(--muted); }
code { font-size: 0.9em; }