:root { color-scheme: light dark; --fg: #1d1d1f; --bg: #fbfbfa; --muted: #5b5b60; --link: #0b57d0; }
@media (prefers-color-scheme: dark) { :root { --fg: #ececec; --bg: #161617; --muted: #a0a0a6; --link: #8ab4f8; } }
body { margin: 0; background: var(--bg); color: var(--fg); font: 17px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; }
main { max-width: 40rem; margin: 0 auto; padding: 3rem 1rem; }
h1 { font-size: 1.8rem; margin: 0 0 1rem; }
h2 { font-size: 1.15rem; margin: 2rem 0 0.5rem; }
a { color: var(--link); }
code { font-size: 0.9em; word-break: break-all; color: var(--muted); }