.toast {
  visibility: hidden;
  max-width: 90%;
  background-color: #333;
  color: #fff;
  text-align: center;
  border-radius: 8px;
  padding: 16px 20px;
  position: fixed;
  z-index: 991000;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  font-size: 14px;
  line-height: 1.4;
  opacity: 0;
  transition: opacity 0.5s, transform 0.5s;
}

.toast.show {
  visibility: visible;
  opacity: 1;
  transform: translate(-50%, -50%) scale(1.05);
}