.floating-audio-button {
  position: fixed;
  right: max(16px, env(safe-area-inset-right));
  bottom: max(18px, calc(env(safe-area-inset-bottom) + 18px));
  z-index: 9999;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 48px;
  padding: 12px 16px;
  border: 1px solid rgba(245, 198, 92, 0.55);
  border-radius: 999px;
  background: linear-gradient(135deg, rgba(26, 18, 10, 0.94), rgba(105, 68, 16, 0.92));
  color: #fff7df;
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.35), 0 0 24px rgba(224, 168, 56, 0.2);
  font: 800 0.82rem/1 Inter, system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  backdrop-filter: blur(12px);
}

.floating-audio-button:hover,
.floating-audio-button:focus-visible {
  transform: translateY(-1px);
  border-color: rgba(255, 218, 126, 0.9);
  outline: none;
}

.floating-audio-button.is-playing {
  background: linear-gradient(135deg, rgba(141, 85, 12, 0.96), rgba(214, 163, 54, 0.94));
  color: #211407;
}

.audio-icon {
  display: grid;
  place-items: center;
  width: 24px;
  height: 24px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.14);
  font-size: 0.72rem;
}

.floating-audio-button.is-playing .audio-icon {
  background: rgba(33, 20, 7, 0.14);
}

@media (max-width: 620px) {
  .floating-audio-button {
    right: 14px;
    bottom: max(14px, calc(env(safe-area-inset-bottom) + 14px));
    min-height: 46px;
    padding: 11px 13px;
  }

  .audio-label {
    max-width: 92px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }
}