:root { color-scheme: light dark; --bg: #fafaf8; --fg: #1d1d1f; --muted: #555; --link: #0b57d0; }
@media (prefers-color-scheme: dark) { :root { --bg: #18181a; --fg: #ececec; --muted: #aaa; --link: #8ab4f8; } }
body { margin: 0; background: var(--bg); color: var(--fg); font: 17px/1.6 system-ui, -apple-system, "Segoe UI", sans-serif; }
main { max-width: 680px; margin: 0 auto; padding: 40px 16px 64px; }
h1 { font-size: 1.7rem; line-height: 1.25; }
h2 { font-size: 1.15rem; margin-top: 2rem; }
a { color: var(--link); }
code { font-size: .9em; overflow-wrap: anywhere; }