/* Text-to-Speech Player Styles */

.tts-player-container {
  margin: 1.5rem 0;
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.75rem;
  background: var(--theme);
  border-radius: 8px;
  border: 1px solid var(--border);
}

.tts-play-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: 2px solid var(--primary);
  background: var(--theme);
  color: var(--primary);
  cursor: pointer;
  transition: all 0.2s ease;
  flex-shrink: 0;
  padding: 0;
}

.tts-play-btn:hover {
  background: var(--primary);
  color: var(--theme);
  transform: scale(1.05);
}

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

.tts-play-btn.tts-playing {
  background: var(--primary);
  color: var(--theme);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% {
    box-shadow: 0 0 0 0 rgba(var(--primary-rgb), 0.4);
  }
  50% {
    box-shadow: 0 0 0 8px rgba(var(--primary-rgb), 0);
  }
}

.tts-icon-play,
.tts-icon-pause {
  width: 24px;
  height: 24px;
  stroke: currentColor;
}

.tts-controls {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex: 1;
}

.tts-speed-btn {
  padding: 0.5rem 1rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--theme);
  color: var(--primary);
  cursor: pointer;
  font-size: 0.9rem;
  font-weight: 600;
  transition: all 0.2s ease;
  min-width: 50px;
}

.tts-speed-btn:hover {
  background: var(--code-bg);
  border-color: var(--primary);
}

.tts-progress-container {
  flex: 1;
  height: 4px;
  background: var(--code-bg);
  border-radius: 2px;
  overflow: hidden;
  position: relative;
}

.tts-progress-bar {
  height: 100%;
  background: var(--primary);
  width: 0%;
  transition: width 0.1s linear;
  border-radius: 2px;
}

/* Text highlighting during playback */
.tts-text-element {
  transition: background-color 0.3s ease, padding 0.2s ease;
}

.tts-text-element.tts-reading {
  background-color: rgba(var(--primary-rgb), 0.1);
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
  border-left: 3px solid var(--primary);
}

/* Responsive design */
@media (max-width: 768px) {
  .tts-player-container {
    flex-direction: column;
    align-items: stretch;
  }

  .tts-play-btn {
    align-self: center;
  }

  .tts-controls {
    flex-direction: column;
    gap: 0.75rem;
  }

  .tts-progress-container {
    width: 100%;
  }
}

/* Dark mode support (if theme uses CSS variables) */
@media (prefers-color-scheme: dark) {
  .tts-player-container {
    background: var(--theme);
  }
  
  .tts-play-btn {
    border-color: var(--primary);
  }
}

/* Accessibility */
.tts-play-btn:focus,
.tts-speed-btn:focus {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

/* Hide TTS elements if not supported */
.tts-player-container[style*="display: none"] {
  display: none !important;
}