:root {
  --bg: #ffffff;
  --text: #222222;
  --muted: #666666;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #121212;
    --text: #e8e8e8;
    --muted: #9a9a9a;
  }
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 18px;
  line-height: 1.6;
}

main {
  max-width: 640px;
  margin: 0 auto;
  padding: 80px 16px;
}

h1 {
  margin: 0 0 12px;
  font-size: 28px;
  font-weight: normal;
}

p {
  margin: 0;
  color: var(--muted);
}