:root {
  color-scheme: light dark;
}

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  background: #fafafa;
  color: #222;
}

main {
  max-width: 32rem;
  padding: 2rem;
  text-align: center;
}

h1 {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
}

p {
  font-size: 1rem;
  color: #555;
}

a {
  color: #0366d6;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

@media (prefers-color-scheme: dark) {
  body {
    background: #111;
    color: #eee;
  }
  p {
    color: #aaa;
  }
  a {
    color: #58a6ff;
  }
}