:root {
  color-scheme: light;
  font-family: system-ui, -apple-system, Segoe UI, sans-serif;
}

body {
  margin: 0;
  background: #f5f5f7;
  color: #1a1a1a;
}

main {
  max-width: 560px;
  margin: 48px auto;
  padding: 0 20px;
}

h1 {
  font-size: 1.5rem;
}

code {
  background: #e8e8ec;
  border-radius: 4px;
  padding: 1px 5px;
  font-size: 0.9em;
}

.card {
  background: #fff;
  border: 1px solid #ddd;
  border-radius: 10px;
  padding: 20px;
  margin-top: 16px;
}

.banner {
  border-radius: 8px;
  padding: 12px 16px;
  margin-top: 16px;
  font-size: 0.9rem;
}

.banner--error {
  background: #fdecea;
  color: #92170a;
  border: 1px solid #f4c7c0;
}

.button,
button {
  display: inline-block;
  background: #1a1a1a;
  color: #fff;
  border: none;
  border-radius: 8px;
  padding: 10px 16px;
  font-size: 0.95rem;
  cursor: pointer;
  text-decoration: none;
  margin-right: 8px;
}

.button--secondary,
button.button--secondary {
  background: #e8e8ec;
  color: #1a1a1a;
}

pre {
  background: #f5f5f7;
  border-radius: 8px;
  padding: 12px;
  margin-top: 16px;
  font-size: 0.8rem;
  overflow-x: auto;
}

.hint {
  color: #666;
  font-size: 0.85rem;
}