/* Secure locked-thumbnail surface: premium page pixels are never displayed to preview accounts. */
.membership-locked-thumb .page-gallery-thumb,
.medcore-summary-page-thumbnails button.membership-rail-locked .medcore-summary-thumb-image{
  position:relative;
  overflow:hidden;
  background:
    radial-gradient(circle at 76% 18%,rgba(255,177,61,.22),transparent 34%),
    linear-gradient(145deg,#111722,#2e2118 72%,#4b2a11)!important;
}
.membership-locked-thumb .page-gallery-thumb::before,
.medcore-summary-page-thumbnails button.membership-rail-locked .medcore-summary-thumb-image::before{
  content:"PH";
  position:absolute;
  inset:50% auto auto 50%;
  transform:translate(-50%,-50%);
  display:grid;
  place-items:center;
  width:58px;
  height:58px;
  border:1px solid rgba(255,205,130,.32);
  border-radius:20px;
  color:rgba(255,234,202,.88);
  background:linear-gradient(145deg,rgba(255,181,74,.18),rgba(255,255,255,.035));
  box-shadow:0 18px 42px rgba(0,0,0,.28),inset 0 1px 0 rgba(255,255,255,.12);
  font-size:18px;
  font-weight:1000;
  letter-spacing:.06em;
}
.membership-locked-thumb .page-gallery-thumb img,
.medcore-summary-page-thumbnails button.membership-rail-locked .medcore-summary-thumb-image img{
  opacity:0!important;
  visibility:hidden!important;
  filter:none!important;
  transform:none!important;
}
.medcore-summary-page-thumbnails button.membership-rail-locked .medcore-summary-thumb-image::before{
  width:38px;
  height:38px;
  border-radius:13px;
  font-size:12px;
}