.hp-audio-control {
  position: fixed;
  right: max(16px, env(safe-area-inset-right));
  bottom: max(16px, env(safe-area-inset-bottom));
  z-index: 9999;
  width: min(270px, calc(100vw - 28px));
  min-height: 72px;
  display: grid;
  grid-template-columns: 54px 1fr;
  align-items: center;
  gap: 10px;
  padding: 10px 14px 10px 10px;
  border: 1px solid rgba(246, 196, 83, .48);
  border-radius: 18px;
  background: linear-gradient(135deg, rgba(5,6,13,.9), rgba(22,16,28,.82));
  box-shadow: 0 0 24px rgba(0,0,0,.68), 0 0 26px rgba(246,196,83,.28);
  backdrop-filter: blur(12px);
}
.hp-audio-control__icon {
  position: relative;
  width: 54px;
  height: 54px;
  border-radius: 50%;
  background: radial-gradient(circle at 50% 42%, rgba(255,255,255,.16), rgba(0,0,0,.36) 62%), rgba(5,6,13,.8);
  border: 1px solid rgba(255,232,163,.38);
}
.hp-audio-control__icon::before {
  content: '';
  position: absolute;
  inset: 9px;
  background: url('../media/3768d08502bf78f1b6bc.webp') center / contain no-repeat;
  opacity: .94;
}
.hp-audio-control__icon::after {
  content: '♪';
  position: absolute;
  right: 7px;
  bottom: 5px;
  color: #ffe8a3;
  font-size: 18px;
  line-height: 1;
  text-shadow: 0 0 8px rgba(246,196,83,.85);
}
.hp-audio-control__body { display: grid; gap: 7px; min-width: 0; }
.hp-audio-control__label {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  color: #ffe8a3;
  font-size: 12px;
  letter-spacing: .14em;
  text-shadow: 0 0 8px rgba(0,0,0,.8);
}
.hp-audio-control__value { color: #fff; font-variant-numeric: tabular-nums; }
.hp-audio-control__range {
  width: 100%;
  accent-color: #f6c453;
  cursor: pointer;
}
.hp-audio-control.is-muted {
  border-color: rgba(240,82,100,.58);
  box-shadow: 0 0 24px rgba(0,0,0,.68), 0 0 26px rgba(240,82,100,.32);
}
.hp-audio-control.is-muted .hp-audio-control__icon::before { background-image: url('../media/ad501a15b380f6a3afec.webp'); opacity: .78; }
.hp-audio-control.is-muted .hp-audio-control__icon::after { content: '×'; color: #ff9aa6; font-weight: 700; }
@media (max-width: 620px) {
  .hp-audio-control {
    width: min(235px, calc(100vw - 24px));
    min-height: 62px;
    grid-template-columns: 46px 1fr;
    padding: 8px 12px 8px 8px;
  }
  .hp-audio-control__icon { width: 46px; height: 46px; }
  .hp-audio-control__icon::before { inset: 8px; }
  .hp-audio-control__label { font-size: 11px; }
}