.busy-overlay {
  position: fixed;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  background: rgba(0,0,0,.08);
  backdrop-filter: blur(1px);
  z-index: 5000;
}

.busy-box {
  width: 340px;
  padding: 2rem;
  text-align: center;
  background: var(--bs-body-bg);
  border-radius: 1rem;
  box-shadow: 0 .75rem 2rem rgba(0,0,0,.18);
}

  .busy-box .spinner-border {
    width: 2rem;
    height: 2rem;
  }

.busy-message {
  font-weight: 500;
  color: var(--bs-secondary-color);
}