/* ============================================
   Photo Gallery - Enhanced Modern Layout
   ============================================ */

.photo-gallery {
  padding: var(--spacing-2xl) 0;
  width: 95%;
  max-width: none;
  margin: 0 auto;
}

.photo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: var(--spacing-md);
  padding: 0;
  list-style: none;
  max-width: none;
}

.photo-item {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-lg);
  background-color: var(--bg-secondary);
  aspect-ratio: 1;
  cursor: pointer;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.photo-item:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 24px var(--shadow-lg);
}

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

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

.photo-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
  padding: var(--spacing-lg);
  transform: translateY(100%);
  transition: transform var(--transition-base);
  color: white;
  display: none; /* Hide filename overlay */
}

.photo-item:hover .photo-overlay {
  transform: translateY(0);
}

.photo-title {
  font-size: 1rem;
  font-weight: 600;
  margin: 0;
  display: none; /* Hide filename */
}

/* Masonry layout for varied heights */
.photo-grid.masonry {
  grid-auto-rows: 250px;
}

.photo-grid.masonry .photo-item {
  aspect-ratio: unset;
}

.photo-grid.masonry .photo-item:nth-child(3n) {
  grid-row: span 2;
}

.photo-grid.masonry .photo-item:nth-child(5n) {
  grid-column: span 2;
}

/* Lightbox styles */
.photo-lightbox {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.95);
  z-index: 9999;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-xl);
}

.photo-lightbox.active {
  display: flex;
}

.lightbox-content {
  position: relative;
  max-width: 90vw;
  max-height: 90vh;
}

.lightbox-image {
  max-width: 100%;
  max-height: 90vh;
  object-fit: contain;
  border-radius: var(--radius-md);
}

.lightbox-close {
  position: absolute;
  top: -40px;
  right: 0;
  background: none;
  border: none;
  color: white;
  font-size: 2rem;
  cursor: pointer;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform var(--transition-fast);
}

.lightbox-close:hover {
  transform: scale(1.2);
}

.lightbox-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background-color: rgba(255, 255, 255, 0.1);
  border: none;
  color: white;
  font-size: 2rem;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background-color var(--transition-fast);
  backdrop-filter: blur(10px);
}

.lightbox-nav:hover {
  background-color: rgba(255, 255, 255, 0.2);
}

.lightbox-prev {
  left: -60px;
}

.lightbox-next {
  right: -60px;
}

.lightbox-caption {
  text-align: center;
  color: white;
  margin-top: var(--spacing-md);
  font-size: 1rem;
  display: none; /* Hide filename in lightbox */
}

/* Loading animation */
.photo-item.loading {
  background: linear-gradient(
    90deg,
    var(--bg-secondary) 25%,
    var(--bg-tertiary) 50%,
    var(--bg-secondary) 75%
  );
  background-size: 200% 100%;
  animation: loading 1.5s infinite;
}

@keyframes loading {
  0% {
    background-position: 200% 0;
  }
  100% {
    background-position: -200% 0;
  }
}

/* Responsive adjustments - fit as many columns as possible */
@media (min-width: 2400px) {
  .photo-grid {
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  }
}

@media (min-width: 1920px) and (max-width: 2399px) {
  .photo-grid {
    grid-template-columns: repeat(auto-fill, minmax(190px, 1fr));
  }
}

@media (min-width: 1600px) and (max-width: 1919px) {
  .photo-grid {
    grid-template-columns: repeat(auto-fill, minmax(195px, 1fr));
  }
}

@media (min-width: 1200px) and (max-width: 1599px) {
  .photo-grid {
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  }
}

@media (max-width: 1199px) {
  .photo-grid {
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  }
  
  .photo-grid.masonry .photo-item:nth-child(5n) {
    grid-column: span 1;
  }
}

@media (max-width: 768px) {
  .photo-grid {
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: var(--spacing-sm);
  }
  
  .photo-gallery {
    width: 96%;
    padding: var(--spacing-lg) 0;
  }
  
  .photo-grid.masonry {
    grid-auto-rows: 120px;
  }
  
  .photo-grid.masonry .photo-item:nth-child(3n) {
    grid-row: span 1;
  }
  
  .photo-item {
    border-radius: var(--radius-md);
  }
  
  /* Lightbox mobile adjustments */
  .lightbox-nav {
    width: 44px;
    height: 44px;
    font-size: 1.5rem;
  }
  
  .lightbox-prev {
    left: 10px;
  }
  
  .lightbox-next {
    right: 10px;
  }
  
  .lightbox-close {
    top: 10px;
    right: 10px;
    width: 44px;
    height: 44px;
    font-size: 2.5rem;
  }
  
  .lightbox-content {
    max-width: 95vw;
    max-height: 85vh;
  }
  
  .lightbox-image {
    max-height: 85vh;
  }
}

/* Alternative layout: Justified gallery */
.photo-grid.justified {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
}

.photo-grid.justified .photo-item {
  flex-grow: 1;
  height: 250px;
  aspect-ratio: unset;
}

.photo-grid.justified .photo-item img {
  min-width: 100%;
  max-width: 100%;
}