:root {
  color-scheme: light dark;
  --fg: #1d2a33;
  --bg: #f6f8f9;
  --accent: #1f6f8b;
}

@media (prefers-color-scheme: dark) {
  :root {
    --fg: #e3eaee;
    --bg: #12191e;
    --accent: #6cb8d3;
  }
}

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

main {
  max-width: 40rem;
  margin: 0 auto;
  padding: 4rem 1rem;
}

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