:root {
  color-scheme: light dark;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
  background: #fafafa;
  color: #1a1a1a;
}

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

h1 {
  font-size: 2rem;
  margin-bottom: 0.5rem;
}

p {
  color: #555;
}

@media (prefers-color-scheme: dark) {
  body {
    background: #121212;
    color: #f0f0f0;
  }
  p {
    color: #bbb;
  }
}