:root {
  color-scheme: light dark;
  --fg: #111;
  --bg: #fafafa;
  --muted: #666;
}

@media (prefers-color-scheme: dark) {
  :root {
    --fg: #f5f5f5;
    --bg: #0e0e0e;
    --muted: #999;
  }
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  height: 100%;
}

body {
  font-family:
    system-ui,
    -apple-system,
    "Segoe UI",
    Roboto,
    sans-serif;
  color: var(--fg);
  background: var(--bg);
  display: grid;
  place-items: center;
}

main {
  text-align: center;
  padding: 2rem;
  max-width: 32rem;
}

h1 {
  font-size: 3rem;
  margin: 0 0 0.5rem;
  letter-spacing: -0.02em;
}

p {
  font-size: 1.125rem;
  margin: 0.25rem 0;
}

.muted {
  color: var(--muted);
  font-size: 0.875rem;
  margin-top: 1.5rem;
}