/* ============================================================
   Photo Tile Gallery — TAGS page
   ============================================================ */

/* Section wrapper */
.photo-tile-section {
  margin-top: 2.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-color, rgba(255, 255, 255, 0.12));
}

/* Section heading */
.photo-tile-title {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 1.25rem;
  color: var(--heading-color, inherit);
  letter-spacing: 0.02em;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.photo-tile-title i {
  opacity: 0.75;
}

/* 10-column grid */
.photo-tile-grid {
  display: grid;
  grid-template-columns: repeat(10, 1fr);
  gap: 3px;
}

/* Individual tile cell */
.photo-tile-item {
  position: relative;
  display: block;
  aspect-ratio: 1 / 1;
  overflow: hidden;
  border-radius: 2px;
  text-decoration: none !important;
  /* Shimmer skeleton shown while image loads */
  background: linear-gradient(
    90deg,
    var(--card-bg, #1e1e2e) 0%,
    rgba(255, 255, 255, 0.06) 50%,
    var(--card-bg, #1e1e2e) 100%
  );
  background-size: 200% 100%;
  animation: photo-tile-shimmer 1.4s infinite linear;
}

/* Stop shimmer once item is loaded */
.photo-tile-item.loaded {
  animation: none;
  background: none;
}

/* Shimmer animation */
@keyframes photo-tile-shimmer {
  0%   { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* Image itself */
.photo-tile-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  /* Start invisible; fade in after load */
  opacity: 0;
  transition: opacity 0.3s ease, transform 0.3s ease;
  /* Override any Chirpy theme max-width constraints */
  max-width: none !important;
  border-radius: 0 !important;
  margin: 0 !important;
}

/* Fade in when loaded */
.photo-tile-item.loaded img {
  opacity: 1;
}

/* Hover: zoom image */
.photo-tile-item.loaded:hover img {
  transform: scale(1.08);
}

/* Overlay: appears on hover */
.photo-tile-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.55);
  display: flex;
  align-items: flex-end;
  padding: 4px 5px;
  opacity: 0;
  transition: opacity 0.25s ease;
  pointer-events: none;
}

.photo-tile-item:hover .photo-tile-overlay {
  opacity: 1;
}

.photo-tile-overlay-text {
  font-size: 0.55rem;
  color: #fff;
  line-height: 1.25;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  word-break: break-word;
}

/* ============================================================
   Responsive breakpoints
   ============================================================ */

/* Large tablets → 7 columns */
@media (max-width: 1199px) {
  .photo-tile-grid {
    grid-template-columns: repeat(7, 1fr);
  }
}

/* Tablets → 5 columns */
@media (max-width: 768px) {
  .photo-tile-grid {
    grid-template-columns: repeat(5, 1fr);
  }
  .photo-tile-overlay-text {
    font-size: 0.5rem;
  }
}

/* Mobile → 3 columns */
@media (max-width: 480px) {
  .photo-tile-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}