.checkout-transition-overlay {
  position: fixed;
  inset: 0;
  z-index: 3000;
  display: grid;
  place-items: center;
  padding: 24px;
  background: rgba(248, 242, 232, 0.94);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity .18s ease, visibility .18s ease;
}
.checkout-transition-overlay.open {
  opacity: 1;
  visibility: visible;
  pointer-events: all;
}
.checkout-transition-card {
  min-width: min(360px, 88vw);
  padding: 28px 30px;
  border: 1px solid rgba(173, 129, 76, .24);
  border-radius: 18px;
  background: #fffaf3;
  box-shadow: 0 22px 60px rgba(58, 39, 25, .14);
  text-align: center;
  color: #3f2d23;
}
.checkout-transition-spinner {
  width: 38px;
  height: 38px;
  margin: 0 auto 16px;
  border: 3px solid rgba(138, 87, 29, .18);
  border-top-color: #8a571d;
  border-radius: 50%;
  animation: nivara-checkout-transition-spin .75s linear infinite;
}
.checkout-transition-card strong {
  display: block;
  font: 600 21px/1.3 "Playfair Display", serif;
  margin-bottom: 7px;
}
.checkout-transition-card span {
  display: block;
  font: 500 13px/1.5 "DM Sans", sans-serif;
  color: #79695f;
}
@keyframes nivara-checkout-transition-spin { to { transform: rotate(360deg); } }
@media (prefers-reduced-motion: reduce) {
  .checkout-transition-spinner { animation-duration: 1.5s; }
  .checkout-transition-overlay { transition: none; }
}