:root {
  color-scheme: light dark;
  --bg: #ffffff;
  --fg: #1a1a1a;
  --muted: #666666;
  --accent: #1f5fa8;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #151515;
    --fg: #eeeeee;
    --muted: #aaaaaa;
    --accent: #6ea8ff;
  }
}
body {
  margin: 0;
  padding: 48px 16px;
  background: var(--bg);
  color: var(--fg);
  font: 16px/1.5 -apple-system, system-ui, sans-serif;
}
main { max-width: 32rem; margin: 0 auto; }
.button {
  display: inline-block;
  padding: 10px 18px;
  border-radius: 6px;
  background: var(--accent);
  color: #ffffff;
  text-decoration: none;
}
#status { color: var(--muted); }