:root {
  color-scheme: light dark;
  --bg: #0b0b0f;
  --fg: #f5f5f7;
  --accent: #6366f1;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg);
  color: var(--fg);
  font-family:
    system-ui,
    -apple-system,
    "Segoe UI",
    sans-serif;
}

main {
  max-width: 32rem;
  padding: 2rem;
  text-align: center;
}

h1 {
  font-size: 2rem;
  margin-bottom: 0.5rem;
}

p {
  line-height: 1.6;
  opacity: 0.8;
}

code {
  background: rgba(255, 255, 255, 0.08);
  padding: 0.15rem 0.4rem;
  border-radius: 0.35rem;
  font-size: 0.9em;
}

button {
  margin-top: 1.5rem;
  padding: 0.6rem 1.2rem;
  border: none;
  border-radius: 0.6rem;
  background: var(--accent);
  color: white;
  font-size: 0.95rem;
  cursor: pointer;
}

button:hover {
  filter: brightness(1.1);
}