:root {
  color-scheme: light dark;
  --bg: #ffffff;
  --text: #1d1f2b;
  --muted: #5b5f73;
  --accent: #5b5bf0;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #080912;
    --text: #e8e9f3;
    --muted: #a3a6bd;
    --accent: #8f8ffa;
  }
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

main {
  max-width: 760px;
  margin: 0 auto;
  padding: 40px 20px 80px;
}

h1 {
  font-size: 2rem;
  margin-bottom: 0.2em;
}

h2 {
  margin-top: 2em;
}

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

.muted {
  color: var(--muted);
}

nav {
  display: flex;
  gap: 16px;
  margin-bottom: 32px;
}

hr {
  border: none;
  border-top: 1px solid var(--muted);
  opacity: 0.3;
  margin: 48px 0;
}