:root {
  color-scheme: light dark;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  min-height: 100vh;
  display: grid;
  place-items: center;
  background: #f4f4f5;
  color: #18181b;
  padding: 1.5rem;
}

@media (prefers-color-scheme: dark) {
  body {
    background: #111113;
    color: #f4f4f5;
  }
}

.card {
  background: #ffffff;
  border: 1px solid #e4e4e7;
  border-radius: 12px;
  padding: 2.5rem 2rem;
  max-width: 26rem;
  text-align: center;
}

@media (prefers-color-scheme: dark) {
  .card {
    background: #1c1c1f;
    border-color: #2c2c30;
  }
}

h1 {
  font-size: 1.35rem;
  margin-bottom: 0.75rem;
}

p {
  line-height: 1.55;
  margin-bottom: 0.5rem;
}

.muted {
  color: #71717a;
  font-size: 0.9rem;
}

code {
  font-size: 0.9em;
  padding: 0.1em 0.35em;
  border-radius: 4px;
  background: rgba(127, 127, 127, 0.14);
}