/* Night: soft greys, never black; the accent stays. */
:root[data-theme="dark"] {
  color-scheme: dark;
  color: #f5f5f7;
  background: #252525;
  --quiet: #c4c2c0;
}

/* The accent passes 4.5:1 as text only when lighter. */
:root[data-theme="dark"] {
  --link: #78a6ee;
}

/* Faces and words re-tone as the wave reaches them. */
.waving .face {
  transition: fill 0.2s ease-out var(--wave, 0s);
}

.waving :is(h1, h2, h3, p, a, li, button) {
  transition: color 0.2s ease-out var(--wave, 0s);
}

.night-sky {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
}

.night {
  position: fixed;
  top: 1rem;
  left: 1.5rem;
  z-index: 1;
  padding: 0.25rem;
  border: 0;
  background: none;
  cursor: pointer;
  opacity: 0;
  transition: opacity 0.15s ease-out;
}

.night .stage {
  width: 2.5rem;
  height: auto;
}

.night:hover,
.night:focus-visible,
body:has(.hero:hover) .night {
  opacity: 1;
}

@media (hover: none) {
  .night {
    opacity: 1;
  }
}

.night-name {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

@media (prefers-reduced-motion: reduce) {
  .night {
    transition: none;
  }
}