:root {
  --bg: #fafafa;
  --text: #1f2328;
  --muted: #6b7280;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14161a;
    --text: #e6e8eb;
    --muted: #9aa1ab;
  }
}

* {
  box-sizing: border-box;
}

body {
  margin: 0 auto;
  max-width: 40rem;
  min-height: 100vh;
  padding: 2rem 1rem;
  display: flex;
  flex-direction: column;
  background: var(--bg);
  color: var(--text);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  line-height: 1.6;
}

main {
  flex: 1;
}
