/* ==========================================================================
   Gallery - Sagra del Borgo Antico di Montefiore
   CSS Grid gallery with hover effects, wide/tall items, and lightbox.
   ========================================================================== */

/* --------------------------------------------------------------------------
   Gallery Grid
   Auto-fill grid with varying item sizes for a masonry-like layout.
   -------------------------------------------------------------------------- */
/* --------------------------------------------------------------------------
   Gallery Filters
   Centered row of pill buttons for category filtering.
   -------------------------------------------------------------------------- */
.gallery-filters {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-bottom: var(--space-2xl);
}

.gallery-filter {
  font-family: var(--font-ui);
  font-size: var(--text-xs);
  font-weight: 600;
  padding: var(--space-xs) var(--space-lg);
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  border: 1.5px solid rgba(140, 126, 115, 0.3);
  border-radius: var(--radius-pill);
  background-color: transparent;
  color: var(--color-stone);
  cursor: pointer;
  white-space: nowrap;
  transition: background-color var(--transition-fast),
              color var(--transition-fast),
              border-color var(--transition-fast);
  -webkit-tap-highlight-color: transparent;
}

.gallery-filter:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.gallery-filter.active {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-warm-white);
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--space-md);
}

/* --------------------------------------------------------------------------
   Gallery Item
   -------------------------------------------------------------------------- */
.gallery-item {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-md);
  cursor: pointer;
  aspect-ratio: 4 / 3;
  transition: opacity var(--transition-base),
              transform var(--transition-base);
}

/* Fade-out when filtering (JS adds .hiding before display:none) */
.gallery-item.hiding {
  opacity: 0;
  transform: scale(0.95);
}

/* Gallery item image with hover zoom */
.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.gallery-item:hover img {
  transform: scale(1.05);
}

/* Hover overlay with icon and caption */
.gallery-item__overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: var(--overlay-dark);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.gallery-item:hover .gallery-item__overlay {
  opacity: 1;
}

.gallery-item__overlay svg {
  width: 32px;
  height: 32px;
  color: var(--color-warm-white);
}

.gallery-item__overlay span {
  font-family: var(--font-ui);
  font-size: var(--text-sm);
  color: var(--color-warm-white);
  text-align: center;
}

/* Wide item: spans 2 columns */
.gallery-item--wide {
  grid-column: span 2;
}

/* Tall item: spans 2 rows */
.gallery-item--tall {
  grid-row: span 2;
  aspect-ratio: auto;
}

/* --------------------------------------------------------------------------
   Gallery Teaser (Homepage)
   Compact 3-column grid showcasing past edition highlights.
   -------------------------------------------------------------------------- */
.gallery-teaser {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
  margin-top: var(--space-2xl);
}

.gallery-teaser__item {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-lg);
  aspect-ratio: 4 / 3;
  cursor: pointer;
}

.gallery-teaser__item--wide {
  grid-column: span 2;
}

.gallery-teaser__item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.gallery-teaser__item:hover img {
  transform: scale(1.05);
}

.gallery-teaser__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to top,
    rgba(26, 23, 20, 0.7) 0%,
    rgba(26, 23, 20, 0) 60%
  );
  display: flex;
  align-items: flex-end;
  padding: var(--space-lg);
  transition: background var(--transition-base);
}

.gallery-teaser__item:hover .gallery-teaser__overlay {
  background: linear-gradient(
    to top,
    rgba(26, 23, 20, 0.85) 0%,
    rgba(26, 23, 20, 0.15) 70%
  );
}

.gallery-teaser__overlay span {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-warm-white);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* --------------------------------------------------------------------------
   Lightbox
   Fixed overlay modal for full-size image viewing.
   -------------------------------------------------------------------------- */
.lightbox {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: var(--z-modal);
  background-color: rgba(26, 23, 20, 0.9);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-base),
              visibility var(--transition-base);
}

/* Lightbox open state */
.lightbox.open {
  opacity: 1;
  visibility: visible;
}

/* Lightbox image - centered with max dimensions */
.lightbox__image {
  max-width: 90vw;
  max-height: 80vh;
  object-fit: contain;
  border-radius: var(--radius-md);
  opacity: 0;
  transform: scale(0.95);
  transition: opacity var(--transition-base),
              transform var(--transition-base);
}

.lightbox.open .lightbox__image {
  opacity: 1;
  transform: scale(1);
}

/* Lightbox close button - top right */
.lightbox__close {
  position: absolute;
  top: var(--space-lg);
  right: var(--space-lg);
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-warm-white);
  background: rgba(250, 245, 238, 0.1);
  border: none;
  border-radius: var(--radius-pill);
  cursor: pointer;
  font-size: var(--text-xl);
  transition: background-color var(--transition-fast),
              transform var(--transition-fast);
}

.lightbox__close:hover {
  background-color: var(--color-primary);
  transform: rotate(90deg);
}

/* Lightbox prev/next arrows on sides */
.lightbox__prev,
.lightbox__next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-warm-white);
  background: rgba(250, 245, 238, 0.1);
  border: none;
  border-radius: var(--radius-pill);
  cursor: pointer;
  font-size: var(--text-lg);
  transition: background-color var(--transition-fast);
}

.lightbox__prev { left: var(--space-lg); }
.lightbox__next { right: var(--space-lg); }

.lightbox__prev:hover,
.lightbox__next:hover {
  background-color: var(--color-primary);
}

/* Lightbox counter - bottom center */
.lightbox__counter {
  position: absolute;
  bottom: var(--space-xl);
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--font-ui);
  font-size: var(--text-sm);
  color: var(--color-warm-white);
  opacity: 0.7;
}

/* Lightbox caption - below image */
.lightbox__caption {
  position: absolute;
  bottom: var(--space-3xl);
  left: 50%;
  transform: translateX(-50%);
  max-width: 600px;
  text-align: center;
  font-family: var(--font-body);
  font-size: var(--text-sm);
  color: var(--color-cream);
  opacity: 0.85;
}

/* --------------------------------------------------------------------------
   Video Card
   Thumbnail with play button overlay and title below.
   -------------------------------------------------------------------------- */
.video-card {
  border-radius: var(--radius-lg);
  overflow: hidden;
  background-color: var(--color-warm-white);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-base),
              box-shadow var(--transition-base);
}

.video-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.video-card__thumb {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  cursor: pointer;
}

.video-card__thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.video-card:hover .video-card__thumb img {
  transform: scale(1.05);
}

.video-card__play {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 72px;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: rgba(26, 23, 20, 0.6);
  border-radius: var(--radius-pill);
  color: var(--color-warm-white);
  transition: background-color var(--transition-fast),
              transform var(--transition-fast);
}

.video-card:hover .video-card__play {
  background-color: var(--color-primary);
  transform: translate(-50%, -50%) scale(1.1);
}

.video-card__play svg {
  width: 32px;
  height: 32px;
}

.video-card__video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  background-color: #1a1714;
}

.video-card.playing {
  cursor: default;
}

.video-card.playing:hover {
  transform: none;
}

.video-card__title {
  font-family: var(--font-display);
  font-size: var(--text-md);
  color: var(--color-charcoal);
  padding: var(--space-md) var(--space-lg);
}