:root { --bg: #fafaf8; --fg: #1c1c1a; --muted: #6b6b66; --code: #efefea; }
@media (prefers-color-scheme: dark) {
  :root { --bg: #161615; --fg: #e8e8e3; --muted: #9a9a93; --code: #242422; }
}
body { margin: 0; min-height: 100vh; display: grid; place-items: center;
  background: var(--bg); color: var(--fg);
  font: 16px/1.5 system-ui, -apple-system, sans-serif; }
main { max-width: 34rem; padding: 2rem 1rem; }
h1 { font-size: 1.5rem; margin: 0 0 .5rem; }
p { margin: 0 0 1.5rem; color: var(--muted); }
code { display: block; padding: .75rem 1rem; border-radius: 6px; background: var(--code);
  font: 14px ui-monospace, monospace; overflow-x: auto; white-space: nowrap; }