.site-preloader {
  position: fixed;
  inset: 0;
  z-index: 10000;
  display: grid;
  place-items: center;
  background: #171717;
  opacity: 0;
  transition: opacity 180ms ease;
}
.case-gallery-dialog > .site-preloader { position: absolute; }
.site-preloader.is-visible { opacity: 1; }
.site-preloader-orb { width: 160px; height: 160px; }
.site-preloader-static {
  width: 32px;
  height: 32px;
  border: 4px solid #a9a9a9;
  border-radius: 50%;
  box-shadow: inset 0 0 0 7px #171717, inset 0 0 0 10px #fff;
}
@media (prefers-reduced-motion: reduce) {
  .site-preloader { transition: none; }
}