:root {
  --bg: #fafafa;
  --fg: #1a1a1a;
  --muted: #5c5c5c;
  --line: #e2e2e2;
  --link: #2f5fbf;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #111;
    --fg: #ededed;
    --muted: #a3a3a3;
    --line: #2a2a2a;
    --link: #8fb0f0;
  }
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family:
    -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  line-height: 1.6;
  -webkit-text-size-adjust: 100%;
}

main {
  max-width: 44rem;
  margin: 0 auto;
  padding: 2rem 1rem 4rem;
}

nav {
  display: flex;
  gap: 1rem;
  font-size: 0.9rem;
  margin-bottom: 2rem;
}

h1 {
  font-size: 1.75rem;
  line-height: 1.25;
  margin: 0 0 0.25rem;
}

h2 {
  font-size: 1.15rem;
  margin: 2.25rem 0 0.5rem;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
}

ul {
  padding-left: 1.25rem;
}

li {
  margin: 0.25rem 0;
}

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

.updated {
  color: var(--muted);
  font-size: 0.9rem;
  margin: 0 0 1.5rem;
}