/* Gallery Page Styles */
.gallery-container {
  transition: all 0.3s ease;
}

/* Modern gradient background for hero */
.bg-gradient-light {
  background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
  position: relative;
}

.bg-gradient-light::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at 30% 20%, rgba(99, 102, 241, 0.05) 0%, transparent 50%),
              radial-gradient(circle at 70% 80%, rgba(34, 197, 94, 0.05) 0%, transparent 50%);
  pointer-events: none;
}

.gallery-item {
  opacity: 1;
  transform: scale(1);
  transition: all 0.3s ease;
}

.gallery-item.hidden {
  opacity: 0;
  transform: scale(0.8);
  height: 0;
  margin: 0;
  padding: 0;
  overflow: hidden;
}

.gallery-filter {
  transition: all 0.3s ease;
  margin: 0 0.25rem 0.5rem;
}

.gallery-filter.active {
  background-color: #6366f1 !important;
  color: white !important;
  border-color: #6366f1 !important;
  box-shadow: 0 4px 14px 0 rgba(99, 102, 241, 0.39);
}

.gallery-filter:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 14px 0 rgba(99, 102, 241, 0.25);
}

/* Before/After Slider Styles */
.before-after-container {
  position: relative;
  overflow: hidden;
  border-radius: 0.375rem 0.375rem 0 0;
}

.before-after-slider {
  position: relative;
  width: 100%;
  height: 300px;
  overflow: hidden;
  cursor: grab;
  user-select: none;
}

.before-after-slider:active {
  cursor: grabbing;
}

.before-image,
.after-image {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

.before-image img,
.after-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.after-image {
  clip-path: polygon(50% 0%, 100% 0%, 100% 100%, 50% 100%);
  transition: clip-path 0.1s ease;
}

.slider-handle {
  position: absolute;
  top: 0;
  left: 50%;
  width: 4px;
  height: 100%;
  background: linear-gradient(to bottom, #6366f1, #8b5cf6);
  cursor: ew-resize;
  transform: translateX(-50%);
  transition: background 0.3s ease;
  z-index: 10;
}

.slider-handle:hover {
  background: linear-gradient(to bottom, #4f46e5, #7c3aed);
}

.slider-button {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 40px;
  height: 40px;
  background: white;
  border-radius: 50%;
  transform: translate(-50%, -50%);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
}

.slider-button:hover {
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
  transform: translate(-50%, -50%) scale(1.1);
}

.slider-button::before {
  content: '';
  width: 0;
  height: 0;
  border-left: 6px solid #6366f1;
  border-top: 6px solid transparent;
  border-bottom: 6px solid transparent;
  margin-right: 2px;
}

.slider-button::after {
  content: '';
  width: 0;
  height: 0;
  border-right: 6px solid #6366f1;
  border-top: 6px solid transparent;
  border-bottom: 6px solid transparent;
  margin-left: 2px;
}

.slider-line {
  position: absolute;
  top: 0;
  left: 50%;
  width: 2px;
  height: 100%;
  background: rgba(255, 255, 255, 0.8);
  transform: translateX(-50%);
  pointer-events: none;
}

.image-label {
  position: absolute;
  top: 15px;
  padding: 8px 16px;
  background: rgba(0, 0, 0, 0.8);
  color: white;
  font-size: 0.875rem;
  font-weight: 600;
  border-radius: 20px;
  z-index: 5;
}

.before-label {
  left: 15px;
}

.after-label {
  right: 15px;
}

/* Detail Page Styles */
.detail-before-after-container {
  position: relative;
  overflow: hidden;
  border-radius: 0.5rem;
}

.detail-before-after-slider {
  position: relative;
  width: 100%;
  height: 500px;
  overflow: hidden;
  cursor: grab;
  user-select: none;
}

.detail-before-after-slider:active {
  cursor: grabbing;
}

.detail-before-image,
.detail-after-image {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

.detail-before-image img,
.detail-after-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.detail-after-image {
  clip-path: polygon(50% 0%, 100% 0%, 100% 100%, 50% 100%);
  transition: clip-path 0.1s ease;
}

.detail-slider-handle {
  position: absolute;
  top: 0;
  left: 50%;
  width: 4px;
  height: 100%;
  background: linear-gradient(to bottom, #6366f1, #8b5cf6);
  cursor: ew-resize;
  transform: translateX(-50%);
  transition: background 0.3s ease;
  z-index: 10;
}

.detail-slider-handle .slider-button {
  width: 50px;
  height: 50px;
}

.detail-slider-line {
  position: absolute;
  top: 0;
  left: 50%;
  width: 2px;
  height: 100%;
  background: rgba(255, 255, 255, 0.8);
  transform: translateX(-50%);
  pointer-events: none;
}

/* Modal Styles */
.modal-before-after-container {
  position: relative;
  overflow: hidden;
}

.modal-before-after-slider {
  position: relative;
  width: 100%;
  height: 70vh;
  overflow: hidden;
  cursor: grab;
  user-select: none;
}

.modal-before-after-slider:active {
  cursor: grabbing;
}

.modal-before-image,
.modal-after-image {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

.modal-before-image img,
.modal-after-image img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}

.modal-after-image {
  clip-path: polygon(50% 0%, 100% 0%, 100% 100%, 50% 100%);
  transition: clip-path 0.1s ease;
}

.modal-slider-handle {
  position: absolute;
  top: 0;
  left: 50%;
  width: 4px;
  height: 100%;
  background: linear-gradient(to bottom, #6366f1, #8b5cf6);
  cursor: ew-resize;
  transform: translateX(-50%);
  transition: background 0.3s ease;
  z-index: 10;
}

.modal-slider-handle .slider-button {
  width: 50px;
  height: 50px;
}

.modal-slider-line {
  position: absolute;
  top: 0;
  left: 50%;
  width: 2px;
  height: 100%;
  background: rgba(255, 255, 255, 0.8);
  transform: translateX(-50%);
  pointer-events: none;
}

/* Card Enhancements */
.gallery-item .card {
  border: 0;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  transition: all 0.3s ease;
  overflow: hidden;
  border-radius: 1rem;
  background: #ffffff;
}

.gallery-item .card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

.gallery-item .card-body {
  padding: 1.5rem;
}

.gallery-item .card-title {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: #1f2937;
}

.gallery-item .card-text {
  font-size: 0.9rem;
  line-height: 1.5;
  color: #6b7280;
}

/* Button Enhancements */
.view-details,
.enlarge-image {
  font-size: 0.875rem;
  padding: 0.5rem 1rem;
  border-radius: 0.375rem;
  transition: all 0.3s ease;
  border: none;
  font-weight: 500;
}

.view-details:hover,
.enlarge-image:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

/* Loading Animation */
.gallery-item.loading {
  opacity: 0.5;
  pointer-events: none;
}

.gallery-item.loading::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 40px;
  height: 40px;
  border: 3px solid #f3f4f6;
  border-top: 3px solid #6366f1;
  border-radius: 50%;
  transform: translate(-50%, -50%);
  animation: spin 1s linear infinite;
  z-index: 100;
}

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

/* Responsive Design */
@media (max-width: 768px) {
  .before-after-slider,
  .detail-before-after-slider {
    height: 250px;
  }
  
  .modal-before-after-slider {
    height: 50vh;
  }
  
  .slider-button {
    width: 35px;
    height: 35px;
  }
  
  .detail-slider-handle .slider-button,
  .modal-slider-handle .slider-button {
    width: 40px;
    height: 40px;
  }
  
  .image-label {
    font-size: 0.75rem;
    padding: 6px 12px;
  }
  
  .gallery-filter {
    font-size: 0.875rem;
    padding: 0.375rem 0.75rem;
  }
}

@media (max-width: 576px) {
  .btn-group .gallery-filter {
    display: block;
    width: 100%;
    margin: 0.25rem 0;
  }
  
  .d-flex.justify-content-between {
    flex-direction: column;
    gap: 0.5rem;
  }
  
  .d-flex.justify-content-between .btn {
    width: 100%;
  }
}

/* Accessibility Enhancements */
.before-after-slider:focus,
.detail-before-after-slider:focus,
.modal-before-after-slider:focus {
  outline: 2px solid #6366f1;
  outline-offset: 2px;
}

.slider-handle:focus {
  outline: 2px solid #6366f1;
  outline-offset: 2px;
}

/* Touch device optimizations */
@media (hover: none) and (pointer: coarse) {
  .slider-handle {
    width: 6px;
  }
  
  .slider-button {
    width: 45px;
    height: 45px;
  }
  
  .gallery-item .card:hover {
    transform: none;
  }
}

/* Print styles */
@media print {
  .before-after-slider,
  .detail-before-after-slider,
  .modal-before-after-slider {
    height: auto;
  }
  
  .before-image {
    position: static;
    display: block;
    margin-bottom: 1rem;
  }
  
  .after-image {
    position: static;
    display: block;
    clip-path: none;
  }
  
  .slider-handle,
  .slider-line {
    display: none;
  }
}

/* New: Filter pills (theme-aligned) */
.filter-pills {
  gap: 0.5rem;
}

.filter-pill {
  background: #f3f4f6;
  color: #374151;
  border: 1px solid #e5e7eb;
  border-radius: 9999px;
  padding: 0.5rem 1rem;
  font-weight: 600;
  transition: all 0.2s ease;
}

.filter-pill:hover {
  background: #eef2ff;
  color: #4338ca;
  border-color: #c7d2fe;
  transform: translateY(-1px);
}

.filter-pill.active,
.filter-pill[aria-pressed="true"] {
  background: #6366f1;
  color: #ffffff;
  border-color: #6366f1;
  box-shadow: 0 6px 20px rgba(99, 102, 241, 0.25);
}

/* New: Category badge overlay on image */
.before-after-container {
  position: relative;
}

.category-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  z-index: 20;
}

.category-badge .badge {
  backdrop-filter: saturate(1.2) blur(4px);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.15);
}

/* Card spacing polish */
.gallery-item .card-body {
  padding: 1.25rem;
}

.gallery-item .card-actions .btn {
  border-radius: 9999px;
}