:root {
  color-scheme: light dark;
  --bg: #ffffff;
  --fg: #1f2328;
  --muted: #59636e;
  --code-bg: #f6f8fa;
  --link: #0969da;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0d1117;
    --fg: #e6edf3;
    --muted: #9198a1;
    --code-bg: #161b22;
    --link: #4493f8;
  }
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 16px/1.6 system-ui, sans-serif;
}

main {
  max-width: 44rem;
  margin: 0 auto;
  padding: 3rem 1.25rem;
}

a {
  color: var(--link);
}

nav {
  display: flex;
  gap: 1.25rem;
}

code {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.9em;
}

pre {
  background: var(--code-bg);
  padding: 1rem;
  border-radius: 6px;
  overflow-x: auto;
}

footer {
  color: var(--muted);
  margin-top: 3rem;
}