/* Кнопки */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: none;
  background: none;
  cursor: pointer;
  transition: var(--transition-fast);
  font-size: var(--text-md);
  font-weight: 500;
  border-radius: var(--radius-md);
}

.btn:focus {
  outline: 2px solid var(--primary-light);
  outline-offset: 2px;
}

.btn-primary {
  background-color: var(--primary-color);
  color: white;
  padding: var(--spacing-md) var(--spacing-xl);
  box-shadow: var(--shadow-md);
  font-size: var(--text-lg);
}

.btn-primary:hover {
  background-color: var(--primary-light);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-secondary {
  background-color: var(--card-bg-light);
  color: var(--text-primary-light);
  border: 1px solid var(--border-light);
  padding: var(--spacing-md) var(--spacing-xl);
  font-size: var(--text-lg);
}

.dark-mode .btn-secondary {
  background-color: var(--card-bg-dark);
  color: var(--text-primary-dark);
  border: 1px solid var(--border-dark);
}

.btn-secondary:hover {
  background-color: rgba(0, 0, 0, 0.05);
}

.dark-mode .btn-secondary:hover {
  background-color: rgba(255, 255, 255, 0.05);
}

.bottom-controls .btn {
  min-width: 150px;
}

/* Иконочные кнопки */
.icon-button {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-primary-light);
  transition: var(--transition-fast);
  position: relative;
  border: none;
  background: transparent;
  cursor: pointer;
}

.dark-mode .icon-button {
  color: var(--text-primary-dark);
  background-color: rgba(255, 255, 255, 0.05);
}

.icon-button:hover {
  background-color: rgba(0, 0, 0, 0.05);
}

.dark-mode .icon-button:hover {
  background-color: rgba(255, 255, 255, 0.15);
  color: var(--text-primary-dark) !important;
}

.icon-button .material-icons {
  font-size: 1.5rem;
}

.close-button {
  color: var(--text-secondary-light);
}

.dark-mode .close-button {
  color: var(--text-secondary-dark);
}

/* Карточки */
.card {
  background: var(--card-bg-light);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  margin-bottom: var(--spacing-lg);
  box-shadow: var(--shadow-md);
  transition: var(--transition-normal);
}

.dark-mode .card {
  background: var(--card-bg-dark);
  box-shadow: var(--shadow-lg);
}

/* Блок с примером */
#example-box {
  min-height: 200px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding: var(--spacing-xl) var(--spacing-lg);
}

#sentence {
  font-size: var(--text-xl);
  line-height: 1.5;
  text-align: center;
  transition: opacity 0.3s ease, transform 0.3s ease;
  margin-bottom: var(--spacing-lg);
  min-height: 100px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-weight: 500;
}

#translation {
  font-size: var(--text-lg);
  color: var(--text-secondary-light);
  text-align: center;
  padding: var(--spacing-md);
  margin-top: var(--spacing-md);
  transition: var(--transition-fast);
  position: relative;
  border-top: 1px solid var(--border-light);
  width: 100%;
  font-style: italic;
}

.dark-mode #translation {
  color: var(--text-secondary-dark);
  border-top: 1px solid var(--border-dark);
}

/* Аудио-контроллы */
.audio-controls {
  display: flex;
  justify-content: center;
  margin: var(--spacing-lg) 0;
  transition: var(--transition-normal);
  opacity: 1;
  transform: translateY(0);
}

.audio-controls.hidden {
  opacity: 0;
  transform: translateY(-10px);
  display: none !important;
  pointer-events: none;
}

.audio-button {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--primary-color);
  color: white;
  cursor: pointer;
  transition: var(--transition-fast);
  box-shadow: var(--shadow-md);
  border: none;
  position: relative;
}

.audio-button:hover {
  transform: scale(1.1);
  box-shadow: var(--shadow-lg);
}

.audio-button:active {
  transform: scale(0.95);
}

.audio-button:disabled {
  opacity: 0.7;
  cursor: not-allowed;
  transform: scale(1);
}

.audio-button .material-icons {
  font-size: 24px;
}

/* Система уведомлений */
#error-container {
  position: fixed;
  bottom: var(--spacing-lg);
  left: 50%;
  transform: translateX(-50%);
  z-index: 1000;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  width: 90%;
  max-width: 400px;
}

.notification-message,
.error-message {
  padding: var(--spacing-md) var(--spacing-lg);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  animation: slideIn 0.3s ease-out forwards;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.notification-message {
  background: var(--primary-color);
  color: white;
}

.error-message {
  background: var(--error-color);
  color: white;
}

/* Всплывающие подсказки */
[data-tooltip] {
  position: relative;
}

[data-tooltip]::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: 125%;
  left: 50%;
  transform: translateX(-50%) scale(0.9);
  background-color: var(--primary-color);
  color: #fff;
  padding: 6px 12px;
  border-radius: var(--radius-md);
  font-size: var(--text-xs);
  white-space: nowrap;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition-fast);
  z-index: 10;
  pointer-events: none;
  box-shadow: var(--shadow-md);
  font-weight: 500;
  letter-spacing: 0.3px;
}

[data-tooltip]:hover::after {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) scale(1);
}

.dark-mode [data-tooltip]::after {
  background-color: var(--primary-light);
  box-shadow: var(--shadow-lg);
}

/* Адаптивные стили для компонентов */
@media (max-width: 768px) {
  #example-box {
    min-height: 160px;
  }
  
  #sentence {
    font-size: var(--text-lg);
    min-height: 80px;
  }
  
  .icon-button {
    width: 36px;
    height: 36px;
  }
  
  .icon-button .material-icons {
    font-size: 1.2rem;
  }
}

@media (max-width: 480px) {
  #sentence {
    font-size: var(--text-md);
  }
  
  .btn-primary, .btn-secondary {
    padding: var(--spacing-md) var(--spacing-lg);
    font-size: var(--text-md);
    min-width: 120px;
  }
  
  .audio-button {
    width: 40px;
    height: 40px;
  }
  
  .bottom-controls .btn {
    min-width: 120px;
  }
}