.contrast-demo {
  border: 1px solid var(--blog-border-color, #ddd);
  border-radius: 12px;
  padding: 1.5rem;
  margin: 1.5rem 0;
  background: var(--astro-code-background, #f9f9f9);
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.contrast-demo-controls {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.contrast-demo-controls label {
  font-weight: 500;
  font-size: 0.95rem;
}

.contrast-demo-controls input[type="color"] {
  -webkit-appearance: none;
  appearance: none;
  border: 2px solid var(--blog-border-color, #ccc);
  border-radius: 8px;
  width: 2.5rem;
  height: 2rem;
  cursor: pointer;
  padding: 2px;
  background: transparent;
}

.contrast-demo-controls input[type="color"]::-webkit-color-swatch-wrapper {
  padding: 0;
}

.contrast-demo-controls input[type="color"]::-webkit-color-swatch {
  border: none;
  border-radius: 5px;
}

.contrast-demo-hex {
  font-family: monospace;
  font-size: 0.9rem;
  opacity: 0.7;
}

.contrast-demo-buttons {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  align-items: center;
}

.contrast-demo-btn {
  --btn-color: var(--demo-brand-color, #7c3aed);
  background-color: var(--btn-color);
  color: contrast-color(var(--btn-color));
  border: none;
  padding: 0.6rem 1.4rem;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: scale 0.15s ease, opacity 0.15s ease;
  font-family: inherit;
}

.contrast-demo-btn:hover {
  scale: 1.05;
}

.contrast-demo-btn:active {
  scale: 0.97;
}

.contrast-demo-btn.small {
  padding: 0.4rem 1rem;
  font-size: 0.85rem;
  border-radius: 6px;
}

.contrast-demo-btn.pill {
  border-radius: 999px;
  padding: 0.6rem 1.6rem;
}

.contrast-demo-swatch {
  width: 1.75rem;
  height: 1.75rem;
  border-radius: 50%;
  border: 2px solid var(--blog-border-color, #ccc);
  cursor: pointer;
  transition: scale 0.15s ease;
  padding: 0;
}

.contrast-demo-swatch:hover {
  scale: 1.15;
}

.contrast-demo-divider {
  width: 1px;
  height: 1.75rem;
  background: var(--blog-border-color, #ccc);
  margin: 0 0.25rem;
}

/* Palette / Hover States Demo */
.palette-demo .palette-note {
  margin: 0;
  font-size: 0.9rem;
  opacity: 0.75;
}

.palette-grid {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.palette-card {
  --hue: 250;
  --chroma: 0.22;
  --bg: oklch(0.38 var(--chroma) var(--hue));

  background: var(--bg);
  color: contrast-color(var(--bg));

  padding: 1.5rem 1rem;
  border-radius: 10px;
  font-family: inherit;
  cursor: default;
  flex: 1;
  min-width: 90px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.4rem;
  transition: background 0.4s ease;
}

.palette-card:hover {
  --bg: color-mix(in oklch, oklch(0.38 var(--chroma) var(--hue)) 40%, white);
}

.palette-label {
  font-size: 1rem;
  font-weight: 700;
}

.palette-code {
  font-size: 0.72rem;
  font-family: monospace;
  opacity: 0.8;
  font-weight: 400;
}