/* CSS - ローディング表示用 */
.user-official-store-button {
  position: relative;
  transition: all 0.3s ease;
}

.user-official-store-button:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.user-official-store-button.loading::after {
  content: '';
  position: absolute;
  width: 16px;
  height: 16px;
  margin: auto;
  border: 2px solid transparent;
  border-top-color: #ffffff;
  border-radius: 50%;
  animation: spin 1s linear infinite;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.user-official-store-button.loading .button-text {
  opacity: 0;
}

/* カートバッジ更新アニメーション */
.user-official-store-cart-badge.updated {
  /*animation: bounce 0.3s ease-in-out;
  background-color: #4CAF50;*/
}

@keyframes spin {
  0% { transform: translate(-50%, -50%) rotate(0deg); }
  100% { transform: translate(-50%, -50%) rotate(360deg); }
}

@keyframes bounce {
  0%, 20%, 50%, 80%, 100% {
      transform: translateY(0);
  }
  40% {
      transform: translateY(-10px);
  }
  60% {
      transform: translateY(-5px);
  }
}


/* メッセージ表示用CSS */
.cart-message {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 9999;
  padding: 15px 20px;
  border-radius: 5px;
  color: white;
  font-weight: bold;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  animation: slideIn 0.3s ease-in-out;
}

.cart-message-success {
  background-color: #4CAF50;
}

.cart-message-error {
  background-color: #f44336;
}

@keyframes slideIn {
  from {
      transform: translateX(100%);
      opacity: 0;
  }
  to {
      transform: translateX(0);
      opacity: 1;
  }
}