/* UFN Training Portal // rendering-performance pass
   Native lazy-loading handles network fetches. content-visibility prevents
   large off-screen galleries from doing unnecessary layout/paint work. */

.deployment-register-section,
.rank-grid,
.medal-grid,
.intel-tile-grid,
.hides-incident-stack,
.station-hides-expanded-list,
.protocol-grid,
.payload-grid,
.network-services,
.station-grid {
  content-visibility: auto;
  contain-intrinsic-size: auto 620px;
}

/* Individual large/repeated cards can also skip off-screen painting. */
.deployment-tile,
.rank-card,
.medal-card,
.intel-tile,
.hides-incident,
.station-hides-record,
.payload-card {
  content-visibility: auto;
  contain-intrinsic-size: auto 180px;
}

/* Avoid expensive loading animation/filter work from any stale class left in
   browser cache or old markup. The old asset-loading JS/CSS is no longer
   loaded by index.html. */
img.ufn-asset-loading,
img.ufn-asset-error {
  animation: none !important;
}