/* ============================================
   Dr. Salah Alzait - Gallery Stylesheet
   ============================================ */

/* Gallery Section */
.gallery-section {
  padding: var(--space-3xl) 0;
}

/* Gallery Filters */
.gallery-filters {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: var(--space-md);
  margin-bottom: var(--space-2xl);
}

.gallery-filter-btn {
  padding: var(--space-sm) var(--space-xl);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-full);
  color: var(--text-secondary);
  font-size: var(--text-sm);
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition-base);
  text-transform: capitalize;
}

.gallery-filter-btn:hover,
.gallery-filter-btn.active {
  background: var(--primary-gradient);
  border-color: var(--primary-color);
  color: var(--text-primary);
}

/* Gallery Grid */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--space-lg);
}

.gallery-item {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 16/10;
  cursor: pointer;
  background: var(--bg-card);
}

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

.gallery-item:hover img,
.gallery-item:hover video {
  transform: scale(1.1);
}

.gallery-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.8) 0%, transparent 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: var(--space-lg);
  opacity: 0;
  transition: var(--transition-base);
}

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

.gallery-overlay h4 {
  color: var(--text-primary);
  font-size: var(--text-lg);
  margin-bottom: var(--space-xs);
}

.gallery-overlay span {
  color: var(--accent-gold);
  font-size: var(--text-sm);
  text-transform: capitalize;
}

.gallery-play-btn {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 70px;
  height: 70px;
  background: var(--primary-gradient);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-primary);
  font-size: var(--text-2xl);
  opacity: 0.9;
  transition: var(--transition-base);
}

.gallery-item:hover .gallery-play-btn {
  transform: translate(-50%, -50%) scale(1.1);
  opacity: 1;
}

/* Gallery Lightbox */
.lightbox {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.95);
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition-base);
}

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

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

.lightbox-content img,
.lightbox-content video,
.lightbox-content iframe {
  max-width: 100%;
  max-height: 85vh;
  border-radius: var(--radius-lg);
}

.lightbox-close {
  position: absolute;
  top: var(--space-xl);
  right: var(--space-xl);
  width: 50px;
  height: 50px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 50%;
  color: var(--text-primary);
  font-size: var(--text-xl);
  cursor: pointer;
  transition: var(--transition-base);
  z-index: 10001;
}

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

.lightbox-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 50px;
  height: 50px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 50%;
  color: var(--text-primary);
  font-size: var(--text-lg);
  cursor: pointer;
  transition: var(--transition-base);
}

.lightbox-nav:hover {
  background: var(--primary-color);
}

.lightbox-prev {
  left: var(--space-xl);
}

.lightbox-next {
  right: var(--space-xl);
}

.lightbox-info {
  position: absolute;
  bottom: var(--space-xl);
  left: 50%;
  transform: translateX(-50%);
  text-align: center;
  color: var(--text-primary);
}

.lightbox-info h3 {
  font-size: var(--text-xl);
  margin-bottom: var(--space-xs);
}

.lightbox-info span {
  color: var(--text-secondary);
  font-size: var(--text-sm);
}

/* Video Gallery */
.video-gallery {
  margin-top: var(--space-2xl);
}

.video-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: var(--space-xl);
}

.video-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--bg-card);
}

.video-thumbnail {
  position: relative;
  aspect-ratio: 16/9;
}

.video-thumbnail img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.video-thumbnail::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.3);
  transition: var(--transition-base);
}

.video-card:hover .video-thumbnail::before {
  background: rgba(0, 0, 0, 0.5);
}

.video-play-btn {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 80px;
  height: 80px;
  background: var(--primary-gradient);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-primary);
  font-size: var(--text-2xl);
  cursor: pointer;
  transition: var(--transition-base);
  box-shadow: var(--shadow-glow);
}

.video-card:hover .video-play-btn {
  transform: translate(-50%, -50%) scale(1.1);
}

.video-info {
  padding: var(--space-lg);
}

.video-info h4 {
  color: var(--text-primary);
  font-size: var(--text-lg);
  margin-bottom: var(--space-xs);
}

.video-info span {
  color: var(--text-muted);
  font-size: var(--text-sm);
}

/* Gallery Loading */
.gallery-loading {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-3xl);
}

.gallery-loading .loader-spinner {
  width: 40px;
  height: 40px;
}

/* Empty State */
.gallery-empty {
  text-align: center;
  padding: var(--space-3xl);
  color: var(--text-secondary);
}

.gallery-empty i {
  font-size: var(--text-5xl);
  color: var(--text-muted);
  margin-bottom: var(--space-lg);
}

/* Responsive */
@media (max-width: 768px) {
  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-md);
  }
  
  .video-grid {
    grid-template-columns: 1fr;
  }
  
  .lightbox-nav {
    width: 40px;
    height: 40px;
  }
  
  .lightbox-prev {
    left: var(--space-md);
  }
  
  .lightbox-next {
    right: var(--space-md);
  }
}

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