:root { color-scheme: light dark; --fg: #111; --muted: #666; --bg: #fff; --rule: #ddd; }
@media (prefers-color-scheme: dark) { :root { --fg: #eee; --muted: #999; --bg: #111; --rule: #333; } }
body { margin: 0; background: var(--bg); color: var(--fg);
  font: 16px/1.5 ui-sans-serif, system-ui, -apple-system, Segoe UI, sans-serif; }
main { max-width: 42rem; margin: 0 auto; padding: 3rem 1rem; }
h1 { font-size: 1.5rem; margin: 0 0 .25rem; letter-spacing: -.01em; }
.lede { color: var(--muted); margin: 0 0 2rem; }
dl { display: grid; grid-template-columns: max-content 1fr; gap: .5rem 1.5rem; margin: 0 0 2rem; }
dt { color: var(--muted); }
dd { margin: 0; }
code { font: .9em ui-monospace, SFMono-Regular, Menlo, monospace; }
.note { border-top: 1px solid var(--rule); padding-top: 1rem; color: var(--muted); font-size: .9rem; }