:root { color-scheme: light dark; }
body {
  margin: 0;
  min-height: 100vh;
  display: grid;
  place-items: center;
  font-family: system-ui, sans-serif;
  background: #101418;
  color: #e8ecf0;
}
main { padding: 16px; text-align: center; }
h1 { margin: 0 0 12px; font-size: 2rem; }
p { margin: 4px 0; color: #aab4be; }