/* photo-gallery.css — styles for all three layout modes */

/* ─── Container ──────────────────────────────────────────── */
.photo-gallery {
  --pg-gap: 4px;
  --pg-row-height: 300px;
  --pg-columns: 3;
  margin: 1.5rem 0;
}

.photo-gallery .pswp-gallery {
  margin: 0;
  padding: 0;
}

/* ─── Item base ───────────────────────────────────────────── */
.pg-item {
  display: block;
  position: relative;
  overflow: hidden;
  cursor: zoom-in;
  text-decoration: none;
  color: inherit;
  background: #111;
}

.pg-item img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: opacity 0.2s ease, transform 0.25s ease;
}

.pg-item:hover img {
  opacity: 0.88;
  transform: scale(1.02);
}

/* ─── Caption overlay ─────────────────────────────────────── */
.pg-caption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 0.35rem 0.6rem 0.45rem;
  background: linear-gradient(to top, rgba(0,0,0,0.72) 0%, transparent 100%);
  color: #fff;
  font-size: 0.78rem;
  line-height: 1.35;
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  opacity: 0;
  transform: translateY(4px);
  transition: opacity 0.2s ease, transform 0.2s ease;
  pointer-events: none;
}

.pg-item:hover .pg-caption {
  opacity: 1;
  transform: translateY(0);
}

.pg-title {
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.pg-meta {
  opacity: 0.8;
  font-size: 0.72rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.pg-description {
  opacity: 0.9;
  font-style: italic;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* ─── Justified rows ──────────────────────────────────────── */
.photo-gallery[data-layout="justified"] .pswp-gallery {
  display: flex;
  flex-wrap: wrap;
  gap: var(--pg-gap);
  align-items: flex-start;
}

.photo-gallery[data-layout="justified"] .pg-item {
  height: var(--pg-row-height);
  flex-shrink: 0;
  min-width: 60px;
}

/* Last row: don't stretch to fill — left-align remaining items */
.photo-gallery[data-layout="justified"] .pswp-gallery::after {
  content: "";
  flex-grow: 999999;
  height: 0;
}

/* ─── Masonry ─────────────────────────────────────────────── */
.photo-gallery[data-layout="masonry"] .pswp-gallery {
  columns: var(--pg-columns) 180px;
  gap: var(--pg-gap);
}

.photo-gallery[data-layout="masonry"] .pg-item {
  break-inside: avoid;
  display: block;
  height: auto;
  margin-bottom: var(--pg-gap);
}

.photo-gallery[data-layout="masonry"] .pg-item img {
  height: auto;
  object-fit: unset;
}

/* ─── Fixed grid ──────────────────────────────────────────── */
.photo-gallery[data-layout="grid"] .pswp-gallery {
  display: grid;
  grid-template-columns: repeat(var(--pg-columns), 1fr);
  gap: var(--pg-gap);
}

.photo-gallery[data-layout="grid"] .pg-item {
  aspect-ratio: 1;
  height: unset;
}

/* ─── Error / empty states ────────────────────────────────── */
.photo-gallery-error,
.photo-gallery-empty {
  padding: 0.75rem 1rem;
  border: 1px solid;
  border-radius: 4px;
  font-family: monospace;
  font-size: 0.85rem;
}

.photo-gallery-error {
  color: #842029;
  background: #f8d7da;
  border-color: #f5c2c7;
}

.photo-gallery-empty {
  color: #664d03;
  background: #fff3cd;
  border-color: #ffecb5;
}

/* ─── PhotoSwipe bullets indicator ──────────────────────── */
.pswp__bullets-indicator {
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 6px;
  padding: 12px 0;
  z-index: 1;
}

.pswp__bullet {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.45);
  cursor: pointer;
  transition: background 0.2s ease, transform 0.2s ease;
  flex-shrink: 0;
}

.pswp__bullet--active {
  background: #fff;
  transform: scale(1.3);
}

/* ─── PhotoSwipe lightbox caption ────────────────────────── */
.pswp__pg-caption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 0.5rem 1rem 0.75rem;
  background: linear-gradient(to top, rgba(0,0,0,0.65) 0%, transparent 100%);
  color: #fff;
  pointer-events: none;
}

.pswp__pg-caption .pg-title {
  display: block;
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 0.2rem;
}

.pswp__pg-caption .pg-meta {
  display: block;
  font-size: 0.8rem;
  opacity: 0.8;
}

.pswp__pg-caption .pg-description {
  display: block;
  font-size: 0.85rem;
  font-style: italic;
  opacity: 0.9;
  margin-top: 0.15rem;
}

.pswp__pg-caption a {
  pointer-events: auto;
  color: inherit;
}