.rift-radio-mount {
  position: absolute;
  z-index: 16;
  top: 176px;
  right: 16px;
  pointer-events: none;
  display: none;
}
.rift-radio-box {
  display: grid;
  grid-template-columns: 34px minmax(180px, 230px) 34px;
  grid-template-rows: 42px auto;
  gap: 6px;
  align-items: stretch;
  pointer-events: auto;
  opacity: .92;
  transform: translateY(-2px);
  transition: opacity .18s ease, transform .18s ease;
}
.rift-radio-box.active { opacity: 1; }
.rift-radio-box.paused { opacity: .78; }
.rift-radio-channel,
.rift-radio-main {
  border: 1px solid rgba(75, 198, 255, .42);
  background: linear-gradient(180deg, rgba(5, 40, 68, .84), rgba(2, 15, 30, .78));
  color: #dff7ff;
  font-weight: 900;
  letter-spacing: .11em;
  text-shadow: 0 0 9px rgba(90, 220, 255, .42);
  box-shadow: inset 0 0 18px rgba(44, 183, 255, .12), 0 10px 26px rgba(0,0,0,.22);
}
.rift-radio-channel {
  width: 34px;
  height: 42px;
  padding: 0;
  font-size: 22px;
}
.rift-radio-main {
  position: relative;
  height: 42px;
  padding: 5px 38px 5px 12px;
  text-align: left;
  overflow: hidden;
}
.rift-radio-channel-name {
  display: block;
  font-size: 10px;
  line-height: 1.05;
}
.rift-radio-track {
  display: block;
  margin-top: 3px;
  max-width: 160px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: rgba(191, 232, 255, .76);
  font-size: 8px;
  letter-spacing: .08em;
}
.rift-radio-light {
  position: absolute;
  top: 9px;
  right: 12px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(103,224,255,.92), rgba(28,128,220,.42) 58%, rgba(0,0,0,.18));
  box-shadow: 0 0 13px rgba(66,203,255,.45);
}
.rift-radio-box.playing .rift-radio-light {
  animation: riftRadioPulse 1.1s ease-in-out infinite alternate;
}
.rift-radio-box.muted .rift-radio-light {
  background: radial-gradient(circle, rgba(255,118,96,.92), rgba(126,36,31,.48) 62%, rgba(0,0,0,.18));
  box-shadow: 0 0 12px rgba(255,74,45,.36);
}
.rift-radio-volume {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: 34px 1fr 34px;
  gap: 8px;
  align-items: center;
  padding: 7px 10px;
  border: 1px solid rgba(75, 198, 255, .30);
  background: rgba(2, 12, 25, .84);
  box-shadow: 0 12px 28px rgba(0,0,0,.26);
  opacity: 0;
  pointer-events: none;
  transform: translateY(-5px);
  transition: opacity .16s ease, transform .16s ease;
}
.rift-radio-box.volume-open .rift-radio-volume,
.rift-radio-box:hover .rift-radio-volume {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}
.rift-radio-volume span {
  color: rgba(199, 239, 255, .76);
  font-size: 8px;
  font-weight: 900;
  letter-spacing: .12em;
}
.rift-radio-slider {
  width: 100%;
  accent-color: #48c8ff;
  touch-action: manipulation;
}
@keyframes riftRadioPulse {
  from { transform: scale(.92); opacity: .72; }
  to { transform: scale(1.1); opacity: 1; }
}
.hud.active ~ .rift-radio-mount,
.rift-radio-mount:has(.rift-radio-box.active) {
  display: block;
}
@media (pointer: coarse), (max-width: 900px) {
  .rift-radio-mount {
    top: 156px;
    right: max(10px, env(safe-area-inset-right));
    transform: scale(.92);
    transform-origin: top right;
  }
  .rift-radio-box {
    grid-template-columns: 32px minmax(160px, 210px) 32px;
  }
}
@media (max-width: 620px) {
  .rift-radio-mount {
    top: 142px;
    right: max(8px, env(safe-area-inset-right));
    transform: scale(.82);
  }
}
@media (max-height: 520px) and (orientation: landscape) {
  .rift-radio-mount {
    top: 90px;
    right: max(8px, env(safe-area-inset-right));
    transform: scale(.78);
  }
}