.toast {
  visibility: hidden;
  min-width: 200px;
  background-color: rgba(51, 51, 51, 0.9);
  font-family: 'montserrat-variable', sans-serif;
  color: #fff;
  text-align: center;
  border-radius: 8px;
  padding: 16px;
  position: fixed;
  z-index: 9999;
  left: 50%;
  bottom: 30px;
  font-size: 16px;
  transform: translateX(-50%);
  opacity: 0;
  transition: opacity 0.3s, visibility 0.3s;
}
.toast.show {
  visibility: visible;
  opacity: 1;
}