:root {
  --brand: #2b6cb0;
}
html {
  color-scheme: light dark;
}
body {
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial,
    sans-serif;
  margin: 0;
  color: CanvasText;
  background: Canvas;
}
.site-header {
  padding: 2rem;
  background: Canvas;
  border-bottom: 1px solid ButtonBorder;
}
.site-header h1 {
  margin: 0 0 0.25rem;
}
p.note {
  font-size: 0.9rem;
  color: GrayText;
  margin-block: 0.25rem;
}
.content {
  padding: 1.25rem;
  max-width: 900px;
  margin: 0 auto;
}
section {
  margin-bottom: 1.5rem;
}
pre {
  background: ButtonFace;
  color: ButtonText;
  padding: 1rem;
  border-radius: 0.5rem;
  overflow: auto;
  border: 1px inset ButtonBorder;
}
.site-footer {
  text-align: center;
  padding: 1rem;
  font-size: 0.9rem;
  color: GrayText;
  border-top: 1px solid ButtonBorder;
}
table {
  border-collapse: collapse;
  margin-top: 1rem;
}
table td,
table th {
  border: 1px solid ButtonBorder;
  padding: 0.5rem 0.75rem;
}

.demo-controls {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
  margin-bottom: 1rem;
}
.demo-controls fieldset {
  border: none;
  padding: 0;
  margin: 0;
}