.music-btn {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: var(--primary);
  border: none;
  color: #fff;
  font-size: 1.4rem;
  cursor: pointer;
  z-index: 9999999;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 16px rgb(108, 92, 231, 0.4);
  transition: all 0.3s ease;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
}

.music-btn:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 24px rgb(108, 92, 231, 0.6);
}

.music-btn:active {
  transform: scale(0.95);
}

.music-btn.playing {
  animation: music-pulse 2s ease-in-out infinite;
}

@keyframes music-pulse {
  0%,
  100% {
    box-shadow: 0 4px 16px rgb(108, 92, 231, 0.4);
  }

  50% {
    box-shadow: 0 4px 28px rgb(108, 92, 231, 0.8);
  }
}

.music-credit {
  position: fixed;
  bottom: 84px;
  right: 24px;
  font-size: 0.72rem;
  color: var(--text-muted);
  opacity: 0;
  transition: opacity 0.3s ease;
  z-index: 9999998;
  pointer-events: none;
  text-align: right;
  direction: ltr;
}

.music-credit.show {
  opacity: 1;
}

@media (width <= 480px) {
  .music-btn {
    width: 44px;
    height: 44px;
    font-size: 1.15rem;
    bottom: 16px;
    right: 16px;
  }

  .music-credit {
    bottom: 68px;
    right: 16px;
    font-size: 0.65rem;
  }
}

/* Hide music player on MPA standalone pages (temporary until maintenance is complete) */
[data-standalone] .music-btn,
[data-standalone] #music-btn,
[data-standalone] .music-credit,
[data-standalone] #music-credit {
  display: none !important;
}

/* Hide music player on the mode selection overlay (Choose your experience) */
body:has(#modeSelect:not([style*="display: none"]))
  [role="region"][aria-label="Music player"],
body:has(#modeSelect:not([style*="display: none"])) #music-btn,
body:has(#modeSelect:not([style*="display: none"])) #music-credit {
  display: none !important;
}