/* Image Gallery – Frontend */

.ig-gallery {
  --ig-radius:       8px;
  --ig-thumb-size:   90px;
  --ig-active-color: #3d8b3d;
  --ig-gap:          8px;
  margin: 1.5rem 0;
  max-width: 100%;
}

.ig-gallery__title {
  margin: 0 0 0.75rem;
  font-size: 1.3rem;
}

/* ── Main image ───────────────────────────────────────── */
.ig-gallery__main {
  position: relative;
  width: 100%;
  background: #111;
  border-radius: var(--ig-radius);
  overflow: hidden;
  margin-bottom: var(--ig-gap);
  aspect-ratio: 16 / 9;
}

.ig-gallery__main-link {
  display: block;
  width: 100%;
  height: 100%;
  cursor: zoom-in;
  text-decoration: none;
}

.ig-gallery__main-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: opacity 0.25s ease;
}
.ig-gallery__main-img.is-loading {
  opacity: 0.4;
}

/* Zoom icon */
.ig-gallery__zoom-icon {
  position: absolute;
  bottom: 10px;
  right: 10px;
  background: rgba(0,0,0,0.5);
  border-radius: 50%;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  opacity: 0;
  transition: opacity 0.2s;
  pointer-events: none;
}
.ig-gallery__zoom-icon svg {
  width: 18px;
  height: 18px;
}
.ig-gallery__main-link:hover .ig-gallery__zoom-icon {
  opacity: 1;
}

/* ── Thumbnails ───────────────────────────────────────── */
.ig-gallery__thumbs {
  display: grid;
  gap: var(--ig-gap);
  grid-template-columns: repeat(4, 1fr);
}

/* Adjust columns via data attribute */
.ig-cols-1 .ig-gallery__thumbs { grid-template-columns: repeat(1, 1fr); }
.ig-cols-2 .ig-gallery__thumbs { grid-template-columns: repeat(2, 1fr); }
.ig-cols-3 .ig-gallery__thumbs { grid-template-columns: repeat(3, 1fr); }
.ig-cols-4 .ig-gallery__thumbs { grid-template-columns: repeat(4, 1fr); }
.ig-cols-5 .ig-gallery__thumbs { grid-template-columns: repeat(5, 1fr); }
.ig-cols-6 .ig-gallery__thumbs { grid-template-columns: repeat(6, 1fr); }
.ig-cols-7 .ig-gallery__thumbs { grid-template-columns: repeat(7, 1fr); }
.ig-cols-8 .ig-gallery__thumbs { grid-template-columns: repeat(8, 1fr); }

@media (max-width: 700px) {
  .ig-cols-6 .ig-gallery__thumbs,
  .ig-cols-7 .ig-gallery__thumbs,
  .ig-cols-8 .ig-gallery__thumbs { grid-template-columns: repeat(5, 1fr); }
}
@media (max-width: 520px) {
  .ig-gallery__thumbs              { grid-template-columns: repeat(4, 1fr); }
}
@media (max-width: 360px) {
  .ig-gallery__thumbs              { grid-template-columns: repeat(3, 1fr); }
}

.ig-gallery__thumb {
  padding: 0;
  border: 3px solid transparent;
  border-radius: calc(var(--ig-radius) - 2px);
  overflow: hidden;
  cursor: pointer;
  background: none;
  aspect-ratio: 1;
  transition: border-color 0.18s, opacity 0.18s;
  opacity: 0.75;
}
.ig-gallery__thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.ig-gallery__thumb:hover {
  opacity: 1;
  border-color: rgba(61,139,61,0.5);
}
.ig-gallery__thumb.is-active {
  border-color: var(--ig-active-color);
  opacity: 1;
}

/* ── Lightbox ─────────────────────────────────────────── */
.ig-lightbox {
  position: fixed;
  inset: 0;
  z-index: 99999;
  background: rgba(0, 0, 0, 0.93);
  display: flex;
  align-items: center;
  justify-content: center;
  animation: ig-fade-in 0.2s ease;
}
.ig-lightbox[hidden] { display: none; }

@keyframes ig-fade-in {
  from { opacity: 0; }
  to   { opacity: 1; }
}

.ig-lightbox__inner {
  max-width: min(92vw, 1400px);
  max-height: 92vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
}

.ig-lightbox__img {
  display: block;
  max-width: 100%;
  max-height: calc(92vh - 60px);
  object-fit: contain;
  border-radius: 4px;
  box-shadow: 0 8px 40px rgba(0,0,0,.6);
  transition: opacity 0.2s ease;
}

.ig-lightbox__caption {
  color: #ccc;
  font-size: 0.9rem;
  text-align: center;
  margin: 0;
  max-width: 680px;
}

.ig-lightbox__close,
.ig-lightbox__prev,
.ig-lightbox__next {
  position: fixed;
  background: rgba(255,255,255,0.13);
  border: none;
  color: #fff;
  cursor: pointer;
  border-radius: 50%;
  width: 46px;
  height: 46px;
  font-size: 1.4rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s;
  z-index: 1;
  line-height: 1;
}
.ig-lightbox__close:hover,
.ig-lightbox__prev:hover,
.ig-lightbox__next:hover {
  background: rgba(255,255,255,0.28);
}
.ig-lightbox__close { top: 1rem;  right: 1rem; }
.ig-lightbox__prev  { left: 1rem;  top: 50%; transform: translateY(-50%); }
.ig-lightbox__next  { right: 1rem; top: 50%; transform: translateY(-50%); }

@media (max-width: 480px) {
  .ig-lightbox__prev { left: 0.3rem; }
  .ig-lightbox__next { right: 0.3rem; }
}

.ig-error,
.ig-empty {
  color: #888;
  font-style: italic;
}