.modal {
  position: fixed;
  inset: 0;
  display: none;
  justify-content: center;
  align-items: center;
  background: rgba(0,0,0,0.5);
  z-index: 9999;
}

.modal.show {
  display: flex;
}

.modal-content {
  background: white;
  padding: 20px;
  border-radius: 12px;
  min-width: 300px;
}