.uc-modal-window {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  z-index: 9999;
  justify-content: center;
  align-items: center;
}

.uc-modal-window.active {
  display: flex;
}

.modal-content {
  background: #fff;
  padding: 30px;
  border-radius: 12px;
  max-width: 600px;
  width: 90%;
}