#toastContainer {
  position: fixed;
  top: 16px;
  right: 16px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 8px;
  pointer-events: none;
}

.toast-message {
  max-width: 320px;
  padding: 10px 14px;
  border-radius: 10px;
  box-shadow: 0 10px 24px rgba(0, 0, 0, .24);
  font: 600 14px/1.3 system-ui, sans-serif;
  letter-spacing: .01em;
  pointer-events: none;
  opacity: 0;
  transform: translateY(-6px);
  transition: opacity 160ms ease, transform 160ms ease;
}

.toast-message.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.toast-success {
  background: rgba(20, 83, 45, .96);
  color: #ecfdf5;
  border: 1px solid rgba(167, 243, 208, .28);
}

.toast-error {
  background: rgba(127, 29, 29, .96);
  color: #fef2f2;
  border: 1px solid rgba(254, 202, 202, .34);
}