/* Light grey full-screen loading overlay for checkout */
#global-spinner-overlay{
  position:fixed;
  inset:0;
  display:none;
  align-items:center;
  justify-content:center;
  background:rgba(255,255,255,0.75);
  backdrop-filter:saturate(120%) blur(1px);
  z-index:2147483000;
}
#global-spinner-overlay.active{ display:flex; }
#global-spinner-overlay .spinner{
  width:64px;
  height:64px;
  border-radius:50%;
  border:4px solid #e5e7eb;      /* light grey ring */
  border-top-color:#bdbdbd;      /* slightly darker top for motion */
  animation:global-spin 0.9s linear infinite !important;
  -webkit-animation:global-spin 0.9s linear infinite !important;
  will-change: transform;
}
@keyframes global-spin{ to { transform: rotate(360deg); } }
@-webkit-keyframes global-spin{ to { -webkit-transform: rotate(360deg); transform: rotate(360deg); } }