:root {
  color-scheme: light dark;
  --fg: #1a2233;
  --muted: #5a6472;
  --link: #1e7a4c;
  --bg: #f5f8f6;
}

@media (prefers-color-scheme: dark) {
  :root {
    --fg: #e8ede9;
    --muted: #a3adb5;
    --link: #6fd39a;
    --bg: #12181a;
  }
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  line-height: 1.6;
}

main {
  max-width: 680px;
  margin: 0 auto;
  padding: 32px 20px 64px;
}

h1 {
  font-size: 1.75rem;
  margin-bottom: 4px;
}

h2 {
  font-size: 1.15rem;
  margin-top: 2em;
}

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

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

.footer-link {
  margin-top: 3em;
  padding-top: 1em;
  border-top: 1px solid rgba(128, 128, 128, 0.25);
}