/* ===== TTS (Text-to-Speech) — CADERNO DE RESUMOS ===== */

.caderno-btn-tts {
  background: var(--gold-soft);
  color: var(--gold);
  border: 1px solid var(--gold);
  border-radius: 6px;
  padding: 8px 14px;
  font-size: 13.5px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.caderno-btn-tts:hover {
  background: var(--gold);
  color: #0B0F14;
}

.caderno-tts-controls {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 16px;
  margin: 16px 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
  animation: slideInUp 0.3s var(--ease);
}

@keyframes slideInUp {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.caderno-tts-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
}
.caderno-tts-top h3 {
  margin: 0;
  font-size: 15px;
  color: var(--text);
}
.caderno-tts-close {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 18px;
  cursor: pointer;
  padding: 0;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color 0.15s;
}
.caderno-tts-close:hover {
  color: var(--text);
}

.caderno-tts-playback {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.caderno-tts-btn {
  flex: 1;
  min-width: 100px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 10px 14px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  border-radius: 6px;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s;
}
.caderno-tts-btn:hover:not(:disabled) {
  background: var(--surface-hover);
  border-color: var(--gold);
}
.caderno-tts-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}
.caderno-tts-btn svg {
  flex-shrink: 0;
}

.caderno-tts-settings {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 12px;
  background: var(--surface);
  border-radius: 6px;
}
.caderno-tts-settings label {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  color: var(--text-muted);
}
.caderno-tts-settings input[type="range"] {
  flex: 1;
  height: 4px;
  border-radius: 2px;
  background: var(--surface-2);
  outline: none;
  -webkit-appearance: none;
  appearance: none;
}
.caderno-tts-settings input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--gold);
  cursor: pointer;
  transition: background 0.15s;
}
.caderno-tts-settings input[type="range"]::-webkit-slider-thumb:hover {
  background: var(--gold-soft);
}
.caderno-tts-settings input[type="range"]::-moz-range-thumb {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--gold);
  border: none;
  cursor: pointer;
  transition: background 0.15s;
}
.caderno-tts-settings input[type="range"]::-moz-range-thumb:hover {
  background: var(--gold-soft);
}
.caderno-tts-settings span {
  min-width: 50px;
  text-align: right;
  color: var(--text);
  font-weight: 600;
  font-size: 12px;
}

.caderno-tts-progress {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.progress-bar {
  width: 100%;
  height: 4px;
  background: var(--surface);
  border-radius: 2px;
  overflow: hidden;
}
.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--gold), var(--gold-soft));
  width: 0%;
  transition: width 0.3s ease;
  border-radius: 2px;
}
.progress-text {
  font-size: 12px;
  color: var(--text-muted);
  text-align: center;
}

.caderno-tts-status {
  padding: 10px 12px;
  background: var(--surface);
  border-radius: 6px;
  font-size: 13px;
  color: var(--text);
  text-align: center;
  line-height: 1.4;
}
.caderno-tts-status small {
  display: block;
  color: var(--text-muted);
  margin-top: 4px;
}

/* ===== CHECKBOX NOS RESUMOS ===== */
.resumo-checkbox {
  width: 18px;
  height: 18px;
  cursor: pointer;
  accent-color: var(--gold);
}

/* ===== RESPONSIVO ===== */
@media (max-width: 640px) {
  .caderno-tts-controls {
    padding: 12px;
  }
  .caderno-tts-playback {
    flex-direction: column;
  }
  .caderno-tts-btn {
    min-width: auto;
  }
  .caderno-tts-settings {
    flex-direction: column;
  }
  .caderno-tts-settings label {
    flex-direction: column;
    align-items: flex-start;
  }
  .caderno-tts-settings input[type="range"] {
    width: 100%;
  }
}