:root { color-scheme: light dark; }
html, body { height: 100%; }
body {
  margin: 0;
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 2rem;
  box-sizing: border-box;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: #0b0f14;
  color: #c8d2de;
}
main { max-width: 34rem; text-align: center; }
h1 { margin: 0 0 1rem; font-size: 1.6rem; color: #eef3f8; }
p { margin: 0.6rem 0; line-height: 1.65; }
code { background: #1a222c; padding: 0.12em 0.4em; border-radius: 4px; font-size: 0.95em; }