/* Cassell audio dock v6 — a quiet square control anchored to the lower-left edge. */
.cassell-audio-toggle {
  position: fixed;
  left: max(18px, env(safe-area-inset-left));
  right: auto;
  bottom: max(18px, env(safe-area-inset-bottom));
  z-index: 2147483000;
  display: grid;
  width: 54px;
  height: 54px;
  padding: 0;
  place-items: center;
  border: 1px solid rgba(226, 231, 235, .2);
  border-radius: 14px;
  color: #edf1f4;
  background: rgba(11, 13, 16, .94);
  box-shadow: 0 14px 38px rgba(0, 0, 0, .42), inset 0 1px 0 rgba(255, 255, 255, .025);
  cursor: pointer;
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  transition: border-color 180ms ease, background-color 180ms ease, box-shadow 180ms ease, transform 180ms ease;
}

.cassell-audio-toggle__icon {
  display: block;
  width: 22px;
  height: 22px;
  opacity: .74;
  filter: brightness(0) invert(1);
  transition: opacity 180ms ease, transform 180ms ease;
}

.cassell-audio-toggle__label {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.cassell-audio-toggle.is-playing {
  border-color: rgba(199, 181, 142, .52);
  background: rgba(17, 18, 19, .97);
  box-shadow: 0 14px 42px rgba(0, 0, 0, .48), inset 0 0 0 1px rgba(217, 200, 160, .05);
}

.cassell-audio-toggle.is-playing .cassell-audio-toggle__icon { opacity: .96; }
.cassell-audio-toggle.is-paused .cassell-audio-toggle__icon { opacity: .58; }

/* The platform theme styles every button. Keep this utility a fixed dock and
   let its small status light replace the generic full-button shimmer. */
body .cassell-audio-toggle.cassell-audio-toggle {
  position: fixed;
  overflow: visible;
  border-color: rgba(226, 231, 235, .2) !important;
  border-radius: 14px !important;
  color: #edf1f4 !important;
  background: rgba(11, 13, 16, .94) !important;
  box-shadow: 0 14px 38px rgba(0, 0, 0, .42), inset 0 0 0 1px rgba(255, 255, 255, .025) !important;
}

body .cassell-audio-toggle.cassell-audio-toggle::before { content: none !important; }

body .cassell-audio-toggle.cassell-audio-toggle::after {
  position: absolute;
  top: 7px;
  right: 7px;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: rgba(223, 228, 232, .28);
  box-shadow: 0 0 0 3px rgba(223, 228, 232, .025);
  content: "";
}

body .cassell-audio-toggle.cassell-audio-toggle.is-playing {
  border-color: rgba(199, 181, 142, .52) !important;
  background: rgba(17, 18, 19, .97) !important;
}

body .cassell-audio-toggle.cassell-audio-toggle.is-playing::after {
  background: #c7b58e;
  box-shadow: 0 0 0 3px rgba(199, 181, 142, .08), 0 0 10px rgba(199, 181, 142, .28);
}

.cassell-audio-toggle:hover {
  border-color: rgba(226, 231, 235, .4);
  background: rgba(22, 24, 27, .98);
  transform: translateY(-2px);
}

body .cassell-audio-toggle.cassell-audio-toggle:hover {
  border-color: rgba(226, 231, 235, .4) !important;
  background: rgba(22, 24, 27, .98) !important;
  transform: translateY(-2px) !important;
}

.cassell-audio-toggle:hover .cassell-audio-toggle__icon {
  opacity: 1;
  transform: scale(1.04);
}

.cassell-audio-toggle:focus-visible {
  outline: 2px solid rgba(232, 237, 241, .9);
  outline-offset: 4px;
}

.cassell-audio-toggle--stacked {
  bottom: calc(max(18px, env(safe-area-inset-bottom)) + 68px);
}

.thread-page-v4 .cassell-audio-toggle {
  bottom: calc(max(18px, env(safe-area-inset-bottom)) + 342px);
}

.cassell-audio-slot:empty,
.daily-credit-audio-slot:empty {
  display: none !important;
}

@media (max-width: 760px) {
  .cassell-audio-toggle {
    left: max(12px, env(safe-area-inset-left));
    bottom: max(12px, env(safe-area-inset-bottom));
    width: 48px;
    height: 48px;
    border-radius: 13px;
  }

  body .cassell-audio-toggle.cassell-audio-toggle { border-radius: 13px !important; }

  .cassell-audio-toggle__icon { width: 20px; height: 20px; }

  .cassell-audio-toggle--stacked {
    bottom: calc(max(12px, env(safe-area-inset-bottom)) + 60px);
  }

  .thread-page-v4 .cassell-audio-toggle {
    bottom: calc(max(12px, env(safe-area-inset-bottom)) + 296px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .cassell-audio-toggle,
  .cassell-audio-toggle__icon { transition: none; }
}