/* 贤紫优选 · 背景音乐悬浮控件（粉紫品牌 + 轻玻璃质感） */

#bg-music-toggle {
  position: fixed;
  right: 16px;
  bottom: 110px;
  z-index: 999999;
  display: none;
  align-items: center;
  justify-content: center;
  box-sizing: border-box;
  max-width: min(92vw, 320px);
  padding: 10px 16px;
  border-radius: 999px;
  font-size: 12px;
  line-height: 1.35;
  letter-spacing: 0.02em;
  cursor: pointer;
  user-select: none;
  color: #4a1a38;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.94) 0%, rgba(255, 236, 245, 0.96) 100%);
  border: 1px solid rgba(233, 30, 140, 0.28);
  box-shadow:
    0 8px 28px rgba(180, 40, 100, 0.12),
    0 2px 8px rgba(233, 30, 140, 0.1),
    inset 0 1px 0 rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

#bg-music-toggle:hover {
  border-color: rgba(233, 30, 140, 0.45);
  box-shadow:
    0 10px 32px rgba(180, 40, 100, 0.16),
    0 4px 12px rgba(233, 30, 140, 0.14),
    inset 0 1px 0 rgba(255, 255, 255, 1);
  transform: translateY(-1px);
}

#bg-music-volume {
  position: fixed;
  right: 16px;
  bottom: 72px;
  z-index: 999999;
  display: none;
  flex-direction: row;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  box-sizing: border-box;
  padding: 10px 14px;
  border-radius: 999px;
  font-size: 12px;
  line-height: 1.35;
  color: #4a1a38;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.92) 0%, rgba(252, 228, 236, 0.94) 55%, rgba(245, 240, 255, 0.92) 100%);
  border: 1px solid rgba(233, 30, 140, 0.22);
  box-shadow:
    0 8px 24px rgba(140, 50, 120, 0.1),
    0 2px 8px rgba(233, 30, 140, 0.08),
    inset 0 1px 0 rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.bg-music-volume-label {
  display: inline-block;
  min-width: 72px;
  font-weight: 600;
  color: #7a2d5c;
  white-space: nowrap;
}

#bg-music-volume-range {
  -webkit-appearance: none;
  appearance: none;
  width: 128px;
  max-width: 42vw;
  height: 6px;
  margin: 0;
  vertical-align: middle;
  accent-color: #e91e8c;
  border-radius: 999px;
  background: linear-gradient(90deg, rgba(233, 30, 140, 0.22) 0%, rgba(156, 100, 210, 0.2) 100%);
  outline: none;
  cursor: pointer;
}

#bg-music-volume-range:focus-visible {
  outline: 2px solid rgba(233, 30, 140, 0.45);
  outline-offset: 3px;
}

#bg-music-volume-range::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: linear-gradient(145deg, #ffffff 0%, #ffd6ea 55%, #f8a8d4 100%);
  border: 2px solid #d81b60;
  box-shadow: 0 2px 8px rgba(216, 27, 96, 0.35);
  transition: transform 0.15s ease;
}

#bg-music-volume-range:hover::-webkit-slider-thumb {
  transform: scale(1.08);
}

#bg-music-volume-range::-moz-range-thumb {
  width: 16px;
  height: 16px;
  border: 2px solid #d81b60;
  border-radius: 50%;
  background: linear-gradient(145deg, #ffffff 0%, #ffd6ea 55%, #f8a8d4 100%);
  box-shadow: 0 2px 8px rgba(216, 27, 96, 0.35);
}

#bg-music-volume-range::-moz-range-track {
  height: 6px;
  border-radius: 999px;
  background: linear-gradient(90deg, rgba(233, 30, 140, 0.25), rgba(156, 100, 210, 0.22));
}

@media (max-width: 768px) {
  #bg-music-toggle {
    right: 12px;
    bottom: calc(102px + env(safe-area-inset-bottom, 0px));
    padding: 9px 14px;
    font-size: 11px;
  }

  #bg-music-volume {
    right: 12px;
    bottom: calc(64px + env(safe-area-inset-bottom, 0px));
    padding: 9px 12px;
    gap: 8px;
  }

  #bg-music-volume-range {
    width: min(120px, 36vw);
  }
}