/* Shared weather layers and direct weather dropdown. */
body {
  position: relative;
  isolation: isolate;
}

.site {
  z-index: 1;
}

.layout {
  position: relative;
  isolation: isolate;
  /* Keep sidebar pop-outs visible beyond the site frame. The weather layer
     clips its own contents, so the layout itself does not need to. */
  overflow: visible;
}

.layout > .left,
.layout > .main,
.layout > .right {
  position: relative;
  z-index: 1;
}

.weatherLayer {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  opacity: 0;
  pointer-events: none;
  contain: layout paint style;
  transition: opacity 160ms ease;
}

.weatherPage {
  position: fixed;
}

.weatherLayout {
  border-radius: inherit;
}

#weatherMenu,
#playlistMenu {
  width: 9.7rem;
  height: 1.45rem;
  min-height: 1.45rem;
  display: block;
  margin: 0;
  padding: 0 1.35rem 0 0.4rem;
  appearance: none;
  border: 1px solid var(--line);
  border-radius: 0.2rem;
  background-color: var(--panelDeep);
  background-image:
    linear-gradient(45deg, transparent 50%, currentColor 50%),
    linear-gradient(135deg, currentColor 50%, transparent 50%),
    linear-gradient(to bottom, var(--line), var(--line));
  background-position:
    calc(100% - 0.62rem) 50%,
    calc(100% - 0.43rem) 50%,
    calc(100% - 1.02rem) 50%;
  background-repeat: no-repeat;
  background-size: 0.2rem 0.2rem, 0.2rem 0.2rem, 1px 0.8rem;
  color: var(--text);
  cursor: pointer;
  font: inherit;
  line-height: 1;
  text-align: left;
  text-align-last: left;
  text-transform: uppercase;
}

#weatherMenu:hover,
#weatherMenu:focus-visible,
#playlistMenu:hover,
#playlistMenu:focus-visible {
  border-color: var(--lineBright);
  background-color: var(--panel);
  color: var(--accent);
}

#weatherMenu option,
#playlistMenu option {
  background: var(--panelDeep);
  color: var(--text);
}

#playlistMenu {
  width: 10.8rem;
}

/* Glitter */
.weatherGlitter {
  opacity: 0.72;
}

.glitterParticle {
  --size: 2px;
  --opacity: 0.75;
  --drift: 0.55rem;
  position: absolute;
  left: var(--x);
  top: var(--y);
  width: var(--size);
  height: var(--size);
  background: var(--phosphor);
  box-shadow: 0 0 0.28rem rgba(231, 230, 204, 0.4);
  opacity: 0;
  transform: translate3d(0, 0, 0);
  animation: glitterTwinkle var(--duration) steps(2, end) infinite;
  animation-delay: var(--delay);
}

.glitterParticle[data-shape="cross"]::before,
.glitterParticle[data-shape="cross"]::after {
  position: absolute;
  background: inherit;
  content: "";
}

.glitterParticle[data-shape="cross"]::before {
  top: 0;
  left: -100%;
  width: 300%;
  height: 100%;
}

.glitterParticle[data-shape="cross"]::after {
  top: -100%;
  left: 0;
  width: 100%;
  height: 300%;
}

@keyframes glitterTwinkle {
  0%,
  100% {
    opacity: 0;
    transform: translate3d(0, 0, 0) scale(0.7);
  }

  25% {
    opacity: calc(var(--opacity) * 0.45);
  }

  50% {
    opacity: var(--opacity);
    transform: translate3d(var(--drift), 0.25rem, 0) scale(1);
  }

  75% {
    opacity: calc(var(--opacity) * 0.3);
  }
}

/* Rain */
.weatherRain {
  opacity: 0.42;
}

.rainDrop {
  position: absolute;
  top: -12%;
  left: var(--x);
  width: 1px;
  height: var(--length);
  background: linear-gradient(to bottom, transparent, var(--boneText));
  opacity: var(--opacity);
  transform: skewX(-13deg);
  animation: rainFall var(--duration) linear infinite;
  animation-delay: var(--delay);
}

@keyframes rainFall {
  from {
    transform: translate3d(0, -15vh, 0) skewX(-13deg);
  }

  to {
    transform: translate3d(-11vw, 125vh, 0) skewX(-13deg);
  }
}

@media (max-width: 52rem) {
  #weatherMenu,
  #playlistMenu {
    width: 9.4rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .glitterParticle,
  .rainDrop {
    animation: none;
  }

  .glitterParticle {
    opacity: calc(var(--opacity) * 0.55);
  }

  .rainDrop {
    top: var(--y, 20%);
  }
}

/* Waves */
.weatherWaves {
  background: var(--panelDeep);
  opacity: 1;
}

.wavesCanvas,
.snowCanvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
  image-rendering: pixelated;
  image-rendering: crisp-edges;
}

.wavesCanvas {
  opacity: 1;
}

/* Snow */
.weatherSnow {
  opacity: 1;
}

.snowCanvas {
  opacity: 0.96;
  transform: translateZ(0);
  backface-visibility: hidden;
}