.controls {
  position: sticky;
  z-index: 10;
  top: 4.5rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
  margin: 1.5rem 0;
  padding: 0.75rem;
  border: 1px solid var(--site-border);
  border-radius: 0.5rem;
  background: color-mix(in srgb, var(--site-surface) 92%, transparent);
  backdrop-filter: blur(8px);
}
.controls output {
  margin-left: auto;
}
#gallery {
  min-height: 8rem;
}