.popup-notification {
  position: fixed;
  top: 60px;
  right: 20px;
  z-index: 9999;
  padding: 15px 20px;
  border-radius: 8px;
  font-size: 16px;
  color: #fff;
  opacity: 0;
  transform: translateY(-20px);
  animation: slideIn 0.5s forwards, fadeOut 0.5s 3.5s forwards;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
  max-width: 300px;
}

.popup-success {
  background-color: #4caf50;
}

.popup-error {
  background-color: #f44336;
}

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

@keyframes fadeOut {
  to {
    opacity: 0;
    transform: translateY(-20px);
  }
}