/* TTS Player CSS */

/* Highlighting */
::highlight(tts-active) {
  background-color: rgba(59, 130, 246, 0.25);
  color: inherit;
  border-bottom: 2px solid var(--accent-blue);
}

/* Fallback Highlighting (when Custom Highlight API is not supported) */
.tts-block-highlight {
  background-color: rgba(59, 130, 246, 0.1);
  border-left: 3px solid var(--accent-blue);
  padding-left: 10px;
  border-radius: 4px;
  transition: background-color 0.3s ease, border-left 0.3s ease;
}

/* Base button styles */
.tts-btn {
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--text-heading);
  padding: 8px 12px;
  border-radius: var(--radius-md);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  font-family: 'Inter', sans-serif;
  font-size: 0.85rem;
  font-weight: 500;
  transition: background 0.2s, border-color 0.2s, transform 0.1s;
}

.tts-btn:hover:not(:disabled) {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.2);
}

.tts-btn:active:not(:disabled) {
  transform: scale(0.97);
}

.tts-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.tts-btn.primary {
  background: var(--accent-blue);
  color: #fff;
  border-color: var(--accent-blue);
}

.tts-btn.primary:hover {
  background: #2563eb;
  border-color: #2563eb;
}

/* Main Article Player */
.tts-main-player {
  margin: 20px 0;
  padding: 16px 20px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  gap: 16px;
  opacity: 0;
  transform: translateY(10px);
  animation: ttsFadeIn 0.3s forwards ease-out;
}

@keyframes ttsFadeIn {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.tts-main-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.tts-main-title {
  font-weight: 700;
  font-size: 1rem;
  color: var(--text-heading);
  display: flex;
  align-items: center;
  gap: 8px;
}

.tts-controls-row {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

/* Progress bar */
.tts-progress-container {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-grow: 1;
  min-width: 200px;
}

.tts-progress-bar {
  flex-grow: 1;
  height: 6px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 3px;
  position: relative;
  cursor: pointer;
}

.tts-progress-fill {
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  background: var(--accent-blue);
  border-radius: 3px;
  width: 0%;
  transition: width 0.2s ease-out;
}

.tts-progress-text {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-variant-numeric: tabular-nums;
}

/* Dropdowns / Settings */
.tts-settings-row {
  display: flex;
  gap: 12px;
  align-items: center;
  flex-wrap: wrap;
  padding-top: 12px;
  border-top: 1px solid var(--border);
}

.tts-select {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--text-heading);
  padding: 6px 10px;
  border-radius: 6px;
  font-family: inherit;
  font-size: 0.8rem;
  outline: none;
}
.tts-select:focus {
  border-color: var(--accent-blue);
}

/* Floating Player */
.tts-floating-player {
  position: fixed;
  bottom: calc(20px + env(safe-area-inset-bottom, 0px));
  right: 20px;
  width: 340px;
  background: rgba(15, 23, 42, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  box-shadow: 0 10px 25px rgba(0,0,0,0.5);
  padding: 16px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 12px;
  opacity: 0;
  transform: translateY(20px) scale(0.95);
  transition: opacity 0.3s ease, transform 0.3s ease;
  pointer-events: none; /* hidden state */
}

.tts-floating-player.visible {
  opacity: 1;
  transform: translateY(0) scale(1);
  pointer-events: auto;
}

.tts-floating-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.tts-floating-title {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-heading);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 250px;
}

.tts-floating-controls {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 16px;
}

.tts-floating-controls .tts-btn {
  width: 40px;
  height: 40px;
  padding: 0;
  border-radius: 50%;
}

.tts-resume-btn {
  width: 100%;
}

@media (max-width: 640px) {
  .tts-floating-player {
    right: 10px;
    left: 10px;
    width: auto;
    bottom: calc(10px + env(safe-area-inset-bottom, 0px));
  }
}