:root {
  color-scheme: light dark;

  --bg: #fafafa;
  --fg: #1d1d1f;
  --accent: #2563eb;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #121212;
    --fg: #ececec;
    --accent: #7aa2ff;
  }
}

body {
  margin: 0;
  font:
    16px/1.5 system-ui,
    sans-serif;
  background: var(--bg);
  color: var(--fg);
}

main {
  max-width: 40rem;
  margin: 3rem auto;
  padding: 0 1rem;
}

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