.booking-spinner {
  display: inline-block;
  width: 1em;
  height: 1em;
  margin-right: .5em;
  border: 2px solid currentColor;
  border-right-color: transparent;
  border-radius: 50%;
  vertical-align: middle;
  animation: booking-spin .8s linear infinite;
}
@keyframes booking-spin { to { transform: rotate(360deg); } }
@media (prefers-reduced-motion: reduce) {
  .booking-spinner { animation: none; }
}