.nf-tts-button {
  position: absolute;
  top: 0.75rem;
  right: 0.75rem;
  z-index: 20;
  padding: 0.45rem 0.8rem;
  font-size: 0.85rem;
  line-height: 1;
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: 999px;
  background: rgba(10, 10, 10, 0.75);
  color: #fff;
  cursor: pointer;
  backdrop-filter: blur(8px);
  transition: all 0.2s ease;
}

.nf-tts-button:hover,
.nf-tts-button:focus-visible {
  background: rgba(255, 255, 255, 0.14);
  color: #fff;
  border-color: rgba(255, 255, 255, 0.45);
}

.nf-tts-button.is-active {
  background: rgba(255, 50, 80, 0.85);
  border-color: rgba(255, 255, 255, 0.4);
}

@media print {
  .nf-tts-button {
    display: none;
  }
}