.hgmb-music-toggle {
  position: fixed;
  left: 14px;
  bottom: 14px;
  z-index: 9998;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  min-height: 38px;
  padding: 6px 11px 6px 7px;
  border: 1px solid rgba(242, 228, 199, .72);
  border-radius: 999px;
  background: rgba(13, 73, 57, .94);
  color: #fff9e9;
  box-shadow: 0 7px 22px rgba(5, 42, 32, .22);
  font: 600 12px/1.2 -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  letter-spacing: .01em;
  cursor: pointer;
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  transition: transform .2s ease, background .2s ease, opacity .2s ease;
}

.hgmb-music-toggle:hover,
.hgmb-music-toggle:focus-visible {
  transform: translateY(-2px);
  background: #0d5e47;
  outline: 2px solid #e7c98c;
  outline-offset: 2px;
}

.hgmb-music-icon {
  display: grid;
  place-items: center;
  width: 25px;
  height: 25px;
  border-radius: 50%;
  background: #e7c98c;
  color: #174c3d;
  font-size: 16px;
}

.hgmb-music-toggle.is-playing .hgmb-music-icon {
  animation: hgmbMusicPulse 2.2s ease-in-out infinite;
}

.hgmb-music-toggle.is-waiting {
  opacity: .86;
}

@keyframes hgmbMusicPulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(231, 201, 140, .35); }
  50% { box-shadow: 0 0 0 5px rgba(231, 201, 140, 0); }
}

@media (max-width: 480px) {
  .hgmb-music-toggle {
    left: 10px;
    bottom: 10px;
    min-width: 38px;
    min-height: 38px;
    padding: 6px;
  }
  .hgmb-music-label { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  .hgmb-music-toggle,
  .hgmb-music-toggle.is-playing .hgmb-music-icon { animation: none; transition: none; }
}