/* Photo Gallery Styles */
.gallery-section {
  padding: 2rem 0 4rem;
  background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
  min-height: 60vh;
}

.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 1rem;
}

/* Gallery Header */
.gallery-header {
  margin-bottom: 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.gallery-controls {
  display: flex;
  align-items: center;
  gap: 2rem;
  flex-wrap: wrap;
}

/* Filter Buttons */
.filter-buttons {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.filter-btn {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  background: white;
  border: 2px solid #e9ecef;
  border-radius: 50px;
  color: #6c757d;
  font-weight: 500;
  font-family: 'Poppins', sans-serif;
  cursor: pointer;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.filter-btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.4), transparent);
  transition: left 0.5s ease;
}

.filter-btn:hover::before {
  left: 100%;
}

.filter-btn:hover {
  border-color: #007bff;
  color: #007bff;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0,123,255,0.15);
}

.filter-btn.active {
  background: linear-gradient(135deg, #007bff, #0056b3);
  border-color: #007bff;
  color: white;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0,123,255,0.3);
}

.filter-btn.loading {
  position: relative;
  pointer-events: none;
}

.filter-btn.loading::after {
  content: '';
  position: absolute;
  top: 50%;
  right: 10px;
  transform: translateY(-50%);
  width: 12px;
  height: 12px;
  border: 2px solid rgba(255,255,255,0.3);
  border-top: 2px solid white;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  0% { transform: translateY(-50%) rotate(0deg); }
  100% { transform: translateY(-50%) rotate(360deg); }
}

.filter-btn .count {
  background: rgba(255,255,255,0.2);
  padding: 0.2rem 0.5rem;
  border-radius: 12px;
  font-size: 0.8rem;
  font-weight: 600;
}

.filter-btn.active .count {
  background: rgba(255,255,255,0.3);
}

/* View Toggle */
.view-toggle {
  display: flex;
  background: white;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.view-btn {
  padding: 0.75rem 1rem;
  background: white;
  border: none;
  color: #6c757d;
  cursor: pointer;
  transition: all 0.3s ease;
}

.view-btn:hover {
  background: #f8f9fa;
  color: #007bff;
}

.view-btn.active {
  background: #007bff;
  color: white;
}

/* Gallery Stats */
.gallery-stats {
  color: #6c757d;
  font-weight: 500;
}

/* Search Container */
.search-container {
  position: relative;
  max-width: 400px;
  margin: 0 auto 2rem;
}

.search-input {
  width: 100%;
  padding: 1rem 1.5rem 1rem 3rem;
  border: 2px solid #e9ecef;
  border-radius: 50px;
  font-size: 1rem;
  transition: all 0.3s ease;
  background: white;
}

.search-input:focus {
  outline: none;
  border-color: #007bff;
  box-shadow: 0 0 0 3px rgba(0,123,255,0.1);
}

.search-btn {
  position: absolute;
  left: 1rem;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: #6c757d;
  cursor: pointer;
  font-size: 1.2rem;
}

.clear-search {
  position: absolute;
  right: 1rem;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: #6c757d;
  cursor: pointer;
  font-size: 1.2rem;
  transition: color 0.3s ease;
}

.clear-search:hover {
  color: #dc3545;
}

/* Photo Grid */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.5rem;
  margin-bottom: 3rem;
  transition: opacity 0.3s ease;
}

.gallery-grid.masonry {
  display: block;
  column-count: 4;
  column-gap: 1.5rem;
  column-fill: balance;
}

.photo-item {
  opacity: 1;
  transform: scale(1) translateY(0);
  transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  break-inside: avoid;
  margin-bottom: 1.5rem;
  display: inline-block;
  width: 100%;
}

.gallery-grid:not(.masonry) .photo-item {
  display: block;
}

.photo-item.filtered-out {
  opacity: 0;
  transform: scale(0.8) translateY(20px);
  pointer-events: none;
  margin: 0;
  height: 0;
  overflow: hidden;
}

.photo-item.reordering {
  animation: slideInFromTop 0.6s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

@keyframes slideInFromTop {
  0% {
    opacity: 0;
    transform: translateY(-30px) scale(0.9);
  }
  50% {
    opacity: 0.7;
    transform: translateY(-10px) scale(0.95);
  }
  100% {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.photo-container {
  position: relative;
  border-radius: 12px;
  overflow: hidden;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.photo-container:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 25px rgba(0,0,0,0.15);
}

.gallery-image {
  width: 100%;
  height: auto;
  display: block;
  transition: transform 0.3s ease;
}

.photo-container:hover .gallery-image {
  transform: scale(1.05);
}

/* Photo Overlay */
.photo-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(to bottom, rgba(0,0,0,0.3) 0%, transparent 30%, transparent 70%, rgba(0,0,0,0.7) 100%);
  opacity: 0;
  transition: opacity 0.3s ease;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 1rem;
}

.photo-container:hover .photo-overlay {
  opacity: 1;
}

.overlay-content {
  display: flex;
  justify-content: center;
  align-items: center;
  flex: 1;
}

.zoom-btn {
  background: rgba(255,255,255,0.9);
  border: none;
  border-radius: 50%;
  width: 50px;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.3s ease;
  font-size: 1.2rem;
}

.zoom-btn:hover {
  background: white;
  transform: scale(1.1);
}

.category-badge {
  background: rgba(0,123,255,0.9);
  color: white;
  padding: 0.5rem 1rem;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 600;
  align-self: flex-start;
}

.photo-caption-preview {
  color: white;
  font-size: 0.9rem;
  text-align: center;
  margin-top: 1rem;
  padding: 0.5rem;
  background: rgba(0,0,0,0.5);
  border-radius: 8px;
}

/* Empty State */
.empty-state {
  text-align: center;
  padding: 4rem 2rem;
  color: #6c757d;
}

.empty-icon {
  font-size: 4rem;
  margin-bottom: 1rem;
}

.empty-state h3 {
  margin-bottom: 0.5rem;
  color: #495057;
}

.reset-filters-btn {
  margin-top: 1rem;
  padding: 0.75rem 2rem;
  background: #007bff;
  color: white;
  border: none;
  border-radius: 25px;
  cursor: pointer;
  transition: background 0.3s ease;
}

.reset-filters-btn:hover {
  background: #0056b3;
}

/* Load More Section */
.load-more-section {
  text-align: center;
  margin-top: 2rem;
}

.load-more-btn {
  padding: 1rem 2rem;
  background: linear-gradient(135deg, #007bff, #0056b3);
  color: white;
  border: none;
  border-radius: 50px;
  cursor: pointer;
  font-weight: 600;
  transition: all 0.3s ease;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.load-more-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0,123,255,0.3);
}

/* Lightbox Styles */
.lightbox-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0,0,0,0.95);
  z-index: 1000;
  display: flex;
  justify-content: center;
  align-items: center;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
}

.lightbox-overlay.active {
  opacity: 1;
  visibility: visible;
}

.lightbox-container {
  position: relative;
  max-width: 90vw;
  max-height: 90vh;
  transform: scale(0.8);
  transition: transform 0.3s ease;
}

.lightbox-overlay.active .lightbox-container {
  transform: scale(1);
}

.lightbox-close {
  position: absolute;
  top: -40px;
  right: 0;
  background: none;
  border: none;
  color: white;
  font-size: 2rem;
  cursor: pointer;
  z-index: 1001;
  transition: transform 0.3s ease;
}

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

.lightbox-content {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.lightbox-img {
  max-width: 100%;
  max-height: 70vh;
  object-fit: contain;
  border-radius: 8px;
}

.lightbox-info {
  margin-top: 1rem;
  text-align: center;
  color: white;
}

.lightbox-caption {
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
  max-width: 600px;
}

.lightbox-category {
  background: rgba(0,123,255,0.8);
  padding: 0.5rem 1rem;
  border-radius: 20px;
  font-size: 0.9rem;
  display: inline-block;
}

/* Lightbox Navigation */
.lightbox-navigation {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 100%;
  display: flex;
  justify-content: space-between;
  pointer-events: none;
}

.nav-btn {
  background: rgba(255,255,255,0.1);
  border: none;
  color: white;
  font-size: 2rem;
  padding: 1rem;
  cursor: pointer;
  border-radius: 50%;
  transition: all 0.3s ease;
  pointer-events: all;
}

.nav-btn:hover {
  background: rgba(255,255,255,0.2);
  transform: scale(1.1);
}

.nav-btn:disabled {
  opacity: 0.3;
  cursor: not-allowed;
}

.lightbox-counter {
  position: absolute;
  bottom: -40px;
  left: 50%;
  transform: translateX(-50%);
  color: white;
  font-size: 0.9rem;
}

/* Responsive Design */
@media (max-width: 1200px) {
  .gallery-grid.masonry {
    column-count: 3;
  }
}

@media (max-width: 992px) {
  .gallery-grid {
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 1rem;
  }

  .gallery-grid.masonry {
    column-count: 2;
  }

  .gallery-header {
    flex-direction: column;
    align-items: stretch;
  }

  .gallery-controls {
    justify-content: center;
  }
}

@media (max-width: 768px) {
  .gallery-grid {
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  }

  .gallery-grid.masonry {
    column-count: 1;
  }

  .filter-buttons {
    justify-content: center;
  }

  .filter-btn {
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
  }

  .lightbox-img {
    max-height: 60vh;
  }

  .nav-btn {
    font-size: 1.5rem;
    padding: 0.75rem;
  }
}

@media (max-width: 480px) {
  .gallery-grid {
    grid-template-columns: 1fr;
  }

  .filter-btn {
    padding: 0.5rem 0.75rem;
    font-size: 0.8rem;
  }

  .filter-btn .filter-icon {
    display: none;
  }
}