#page-loader {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: #fff;
  pointer-events: none;
  transition: opacity 0.4s ease;
  display: flex;
  align-items: center;
  justify-content: center;
}
#page-loader::after {
  content: "";
  width: 36px;
  height: 36px;
  border: 3px solid #e2e7ec;
  border-top-color: #1e6fc0;
  border-radius: 50%;
  animation: loaderSpin .8s linear infinite;
}
@keyframes loaderSpin { to { transform: rotate(360deg); } }
#page-loader.hidden {
  opacity: 0;
}
@media (prefers-reduced-motion: reduce) {
  #page-loader { transition-duration: 0.01s; }
  #page-loader::after { animation: none; border-top-color: #1e6fc0; }
}