.doc-loader {
  position: fixed;
  inset: 0;
  z-index: 99999;
  background: #fff;
  opacity: 1;
  visibility: visible;
  transition: opacity .6s ease, visibility .6s ease;
}

.doc-loader.is-hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.doc-loader img {
  width: 64px;
  height: 64px;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

@media (prefers-reduced-motion: reduce) {
  .doc-loader { transition: none; }
}