:root { --bg: #ffffff; --text: #1a1a1a; --muted: #555555; --link: #0b57d0; }
@media (prefers-color-scheme: dark) { :root { --bg: #141414; --text: #e8e8e8; --muted: #a8a8a8; --link: #8ab4f8; } }
body { margin: 0; background: var(--bg); color: var(--text); 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: 1.6rem; line-height: 1.3; margin: 0 0 8px; }
h2 { font-size: 1.15rem; margin: 32px 0 8px; }
a { color: var(--link); }
code { font-size: 0.95em; }
li { margin: 4px 0; }