.toast-carrito {
  position: fixed;
  bottom: -50px;
  left: 50%;
  transform: translateX(-50%);
  background-color: #24306c;
  color: white;
  padding: 0.8rem 1.2rem;
  border-radius: 8px;
  opacity: 0;
  transition: all 0.4s ease;
  font-weight: 500;
  z-index: 9999;
}
.toast-carrito.visible {
  bottom: 30px;
  opacity: 1;
}