.modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(0, 0, 0, 0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}

.modal.hidden {
  display: none;
}

.modal-content {
  background: #fff;
  padding: 24px;
  border-radius: 8px;
  width: 600px;
  max-width: 90%;
}

.modal-actions {
  margin-top: 16px;
  text-align: right;
}

.error {
  color: red;
  margin-top: 8px;
}