#page-loader {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 18px;
  background: #080909;
  color: #f5f5f2;
  font: 500 0.68rem Signika, system-ui, sans-serif;
  letter-spacing: 0.16em;
  transition: opacity 0.45s ease, visibility 0s linear 0.45s;
}

html.gallery-ready #page-loader {
  visibility: hidden;
  opacity: 0;
  pointer-events: none;
}

html.gallery-ready {
  scroll-behavior: auto;
}

.loader-mark {
  width: 38px;
  height: 38px;
  border: 1px solid #ffffff24;
  border-top-color: #f5f5f2;
  border-radius: 50%;
  animation: loader-turn 0.8s linear infinite;
}

.loader-mark::after {
  display: block;
  width: 5px;
  height: 5px;
  margin: 6px auto;
  border-radius: 50%;
  background: #f5f5f2;
  content: "";
}

@keyframes loader-turn {
  to { transform: rotate(360deg); }
}

.photo-masonry {
  column-count: var(--desktop-columns, 3);
  column-gap: var(--gallery-gap, 12px);
}

.gallery-card {
  display: block;
  break-inside: avoid;
  overflow: hidden;
  margin: 0 0 var(--gallery-gap, 12px);
  background: #eee;
}

.gallery-card img {
  display: block;
  width: 100%;
  height: auto;
  transition: transform 0.35s ease;
}

.gallery-card:hover img {
  transform: scale(1.025);
}

.gallery-empty {
  padding: 3rem;
  color: #6b7280;
  text-align: center;
}

html {
  scrollbar-color: #d8d8d8 #171717;
  scrollbar-width: thin;
}

::-webkit-scrollbar {
  width: 13px;
  height: 13px;
}

::-webkit-scrollbar-track {
  margin-block: 5px;
  border-radius: 10px;
  background: linear-gradient(90deg, transparent 0 4px, #292929 4px 9px, transparent 9px);
}

::-webkit-scrollbar-thumb {
  min-height: 48px;
  border: 3px solid transparent;
  border-radius: 999px;
  background: linear-gradient(#555, #555) center calc(50% - 3px) / 5px 1px no-repeat,
    linear-gradient(#555, #555) center 50% / 5px 1px no-repeat,
    linear-gradient(#555, #555) center calc(50% + 3px) / 5px 1px no-repeat,
    linear-gradient(180deg, #f2f2f2, #a7a7a7);
  background-clip: padding-box;
  box-shadow: inset 0 0 0 1px #ffffff80, 0 0 8px #ffffff20;
}

::-webkit-scrollbar-thumb:hover {
  background: linear-gradient(#333, #333) center calc(50% - 3px) / 5px 1px no-repeat,
    linear-gradient(#333, #333) center 50% / 5px 1px no-repeat,
    linear-gradient(#333, #333) center calc(50% + 3px) / 5px 1px no-repeat,
    linear-gradient(180deg, #fff, #d0d0d0);
  background-clip: padding-box;
}

::-webkit-scrollbar-corner {
  background: transparent;
}

@media (max-width: 900px) {
  .photo-masonry { column-count: var(--tablet-columns, 2); }
}

@media (max-width: 600px) {
  .photo-masonry { column-count: var(--mobile-columns, 1); }
}

@media (prefers-reduced-motion: reduce) {
  .loader-mark { animation: none; }
  #page-loader, .gallery-card img { transition: none; }
}