/* ==========================================
   LEX SUMMIT RECAP GALLERY - TAB STYLES
   ========================================== */

/* Video Section */
.video-section {
  background: linear-gradient(135deg, #1a1a1a 0%, #2d2d2d 100%);
  padding: 4rem 0;
  position: relative;
}

.video-container {
  max-width: 1200px;
  margin: 0 auto;
  position: relative;
  padding-bottom: 56.25%; /* 16:9 aspect ratio */
  height: 0;
  overflow: hidden;
  border-radius: 12px;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.4);
}

.video-container iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: none;
}

/* Main Tabs (Business / Relaxation) */
.gallery-section {
  background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
  padding: 4rem 0;
  min-height: 600px;
}

.main-tabs {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 3rem;
  flex-wrap: wrap;
}

.main-tab-button {
  background: linear-gradient(135deg, #003366 0%, #004488 100%);
  color: white;
  border: none;
  padding: 1rem 2.5rem;
  font-size: 1.2rem;
  font-weight: 600;
  border-radius: 50px;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: 0 4px 12px rgba(0, 51, 102, 0.3);
  position: relative;
  overflow: hidden;
}

.main-tab-button::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.2);
  transform: translate(-50%, -50%);
  transition: width 0.6s, height 0.6s;
}

.main-tab-button:hover::before {
  width: 300px;
  height: 300px;
}

.main-tab-button:hover {
  background: linear-gradient(135deg, #004488 0%, #0055aa 100%);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 51, 102, 0.4);
}

.main-tab-button.active {
  background: linear-gradient(135deg, #996633 0%, #cc9966 40%, #ffcc99 100%);
  box-shadow: 0 6px 20px rgba(153, 102, 51, 0.5);
}

.main-tab-button.active:hover {
  background: linear-gradient(135deg, #996633 0%, #b37740 40%, #ffdbb3 100%);
}

/* Inner Tabs (Day 1, Day 2, etc.) */
.inner-tabs {
  display: flex;
  justify-content: center;
  gap: 0.75rem;
  margin-bottom: 2rem;
  flex-wrap: wrap;
}

.inner-tab-button {
  background: white;
  color: #003366;
  border: 2px solid #003366;
  padding: 0.75rem 1.5rem;
  font-size: 1rem;
  font-weight: 500;
  border-radius: 30px;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.inner-tab-button:hover {
  background: #003366;
  color: white;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(0, 51, 102, 0.3);
}

.inner-tab-button.active {
  background: #003366;
  color: white;
  box-shadow: 0 4px 12px rgba(0, 51, 102, 0.3);
}

/* Tab Content */
.main-tab-content {
  display: none;
  animation: fadeIn 0.4s ease-in;
}

.main-tab-content.active {
  display: block;
}

.inner-tab-content {
  display: none;
  animation: fadeIn 0.4s ease-in;
}

.inner-tab-content.active {
  display: block;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Photo Gallery Grid */
.photo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
  padding: 2rem 0;
}

.photo-item {
  position: relative;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  cursor: pointer;
  transition: all 0.3s ease;
  aspect-ratio: 4/3;
  background: #f0f0f0;
}

.photo-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
}

.photo-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

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

.photo-caption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
  color: white;
  padding: 1rem;
  font-size: 0.9rem;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.photo-item:hover .photo-caption {
  opacity: 1;
}

/* Lightbox */
.lightbox {
  display: none;
  position: fixed;
  z-index: 9999;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.95);
  justify-content: center;
  align-items: center;
}

.lightbox.active {
  display: flex;
  animation: fadeIn 0.3s ease-in;
}

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

.lightbox-content img {
  max-width: 100%;
  max-height: 90vh;
  object-fit: contain;
  border-radius: 8px;
}

.lightbox-close {
  position: absolute;
  top: -40px;
  right: 0;
  color: white;
  font-size: 2rem;
  cursor: pointer;
  background: rgba(255, 255, 255, 0.1);
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transition: all 0.3s ease;
}

.lightbox-close:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: rotate(90deg);
}

.lightbox-prev,
.lightbox-next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  color: white;
  font-size: 2.5rem;
  cursor: pointer;
  background: rgba(255, 255, 255, 0.1);
  width: 50px;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transition: all 0.3s ease;
  user-select: none;
}

.lightbox-prev {
  left: 20px;
}

.lightbox-next {
  right: 20px;
}

.lightbox-prev:hover,
.lightbox-next:hover {
  background: rgba(255, 255, 255, 0.3);
}

/* Placeholder for empty galleries */
.empty-gallery {
  text-align: center;
  padding: 4rem 2rem;
  color: #666;
}

.empty-gallery i {
  font-size: 4rem;
  color: #ccc;
  margin-bottom: 1rem;
}

.empty-gallery p {
  font-size: 1.1rem;
  margin: 0;
}

/* Responsive adjustments */
@media (max-width: 768px) {
  .main-tab-button {
    padding: 0.8rem 1.5rem;
    font-size: 1rem;
  }

  .inner-tab-button {
    padding: 0.6rem 1.2rem;
    font-size: 0.9rem;
  }

  .photo-grid {
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 1rem;
  }

  .lightbox-prev,
  .lightbox-next {
    width: 40px;
    height: 40px;
    font-size: 1.8rem;
  }

  .lightbox-prev {
    left: 10px;
  }

  .lightbox-next {
    right: 10px;
  }
}

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

  .main-tabs,
  .inner-tabs {
    flex-direction: column;
    align-items: stretch;
  }

  .main-tab-button,
  .inner-tab-button {
    width: 100%;
  }
}

/* Loading animation */
.loading {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 3rem;
}

.loading::after {
  content: '';
  width: 50px;
  height: 50px;
  border: 5px solid #f3f3f3;
  border-top: 5px solid #003366;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

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