/* ========================================
   PRODUCT IMAGE GALLERY - SLIDER STYLES
   Slider ảnh sản phẩm tương tự TGGD
   ======================================== */

.tggd-product-gallery {
  position: relative;
  background-color: var(--tggd-white);
  border-radius: var(--tggd-radius-lg);
  overflow: hidden;
  box-shadow: var(--tggd-shadow-md);
}

/* Main Image Container */
.tggd-gallery-main {
  position: relative;
  width: 100%;
  aspect-ratio: 1;
  background-color: var(--tggd-light-gray);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.tggd-gallery-main-image {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
  transition: transform var(--tggd-transition-normal);
}

.tggd-gallery-main:hover .tggd-gallery-main-image {
  transform: scale(1.05);
}

/* Zoom on Hover */
.tggd-gallery-zoom {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.05);
  opacity: 0;
  transition: opacity var(--tggd-transition-normal);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: zoom-in;
}

.tggd-gallery-main:hover .tggd-gallery-zoom {
  opacity: 1;
}

.tggd-gallery-zoom-icon {
  width: 40px;
  height: 40px;
  background-color: var(--tggd-white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  color: var(--tggd-primary);
  box-shadow: var(--tggd-shadow-lg);
}

/* Navigation Arrows */
.tggd-gallery-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 40px;
  height: 40px;
  background-color: rgba(255, 255, 255, 0.9);
  border: none;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  color: var(--tggd-dark-gray);
  transition: all var(--tggd-transition-fast);
  z-index: 10;
  box-shadow: var(--tggd-shadow-md);
}

.tggd-gallery-arrow:hover {
  background-color: var(--tggd-primary);
  color: var(--tggd-white);
  transform: translateY(-50%) scale(1.1);
}

.tggd-gallery-arrow-prev {
  left: var(--tggd-spacing-lg);
}

.tggd-gallery-arrow-next {
  right: var(--tggd-spacing-lg);
}

/* Dot Indicators */
.tggd-gallery-dots {
  position: absolute;
  bottom: var(--tggd-spacing-lg);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: var(--tggd-spacing-sm);
  z-index: 10;
}

.tggd-gallery-dot {
  width: 8px;
  height: 8px;
  background-color: rgba(255, 255, 255, 0.6);
  border: 2px solid var(--tggd-white);
  border-radius: 50%;
  cursor: pointer;
  transition: all var(--tggd-transition-fast);
}

.tggd-gallery-dot.active {
  background-color: var(--tggd-primary);
  width: 24px;
  border-radius: 4px;
}

.tggd-gallery-dot:hover {
  background-color: rgba(255, 255, 255, 0.9);
}

/* Thumbnail Container */
.tggd-gallery-thumbnails {
  display: flex;
  gap: var(--tggd-spacing-sm);
  padding: var(--tggd-spacing-lg);
  background-color: var(--tggd-light-gray);
  overflow-x: auto;
  scroll-behavior: smooth;
}

.tggd-gallery-thumbnails::-webkit-scrollbar {
  height: 6px;
}

.tggd-gallery-thumbnails::-webkit-scrollbar-track {
  background: transparent;
}

.tggd-gallery-thumbnails::-webkit-scrollbar-thumb {
  background-color: var(--tggd-border-gray);
  border-radius: 3px;
}

.tggd-gallery-thumbnails::-webkit-scrollbar-thumb:hover {
  background-color: var(--tggd-medium-gray);
}

/* Thumbnail Item */
.tggd-gallery-thumbnail {
  flex: 0 0 80px;
  width: 80px;
  height: 80px;
  background-color: var(--tggd-white);
  border: 2px solid transparent;
  border-radius: var(--tggd-radius-md);
  cursor: pointer;
  overflow: hidden;
  transition: all var(--tggd-transition-fast);
  display: flex;
  align-items: center;
  justify-content: center;
}

.tggd-gallery-thumbnail img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
}

.tggd-gallery-thumbnail:hover {
  border-color: var(--tggd-medium-gray);
  box-shadow: var(--tggd-shadow-md);
}

.tggd-gallery-thumbnail.active {
  border-color: var(--tggd-primary);
  box-shadow: 0 0 0 3px rgba(227, 6, 19, 0.2);
}

/* Badge (Discount, New, etc.) */
.tggd-gallery-badge {
  position: absolute;
  top: var(--tggd-spacing-lg);
  right: var(--tggd-spacing-lg);
  background-color: var(--tggd-primary);
  color: var(--tggd-white);
  padding: var(--tggd-spacing-sm) var(--tggd-spacing-md);
  border-radius: var(--tggd-radius-md);
  font-weight: 600;
  font-size: var(--tggd-font-size-sm);
  z-index: 5;
  box-shadow: var(--tggd-shadow-md);
}

.tggd-gallery-badge.badge-new {
  background-color: var(--tggd-success);
}

.tggd-gallery-badge.badge-hot {
  background-color: var(--tggd-danger);
}

/* Fullscreen Modal */
.tggd-gallery-fullscreen {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.95);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: fadeIn var(--tggd-transition-normal);
}

.tggd-gallery-fullscreen-image {
  max-width: 90vw;
  max-height: 90vh;
  object-fit: contain;
}

.tggd-gallery-fullscreen-close {
  position: absolute;
  top: var(--tggd-spacing-lg);
  right: var(--tggd-spacing-lg);
  width: 40px;
  height: 40px;
  background-color: var(--tggd-white);
  border: none;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  color: var(--tggd-dark-gray);
  transition: all var(--tggd-transition-fast);
}

.tggd-gallery-fullscreen-close:hover {
  background-color: var(--tggd-primary);
  color: var(--tggd-white);
}

/* Responsive Design */
@media (max-width: 768px) {
  .tggd-gallery-arrow {
    width: 32px;
    height: 32px;
    font-size: 16px;
  }
  
  .tggd-gallery-arrow-prev {
    left: var(--tggd-spacing-md);
  }
  
  .tggd-gallery-arrow-next {
    right: var(--tggd-spacing-md);
  }
  
  .tggd-gallery-dots {
    bottom: var(--tggd-spacing-md);
  }
  
  .tggd-gallery-thumbnails {
    padding: var(--tggd-spacing-md);
    gap: var(--tggd-spacing-xs);
  }
  
  .tggd-gallery-thumbnail {
    flex: 0 0 60px;
    width: 60px;
    height: 60px;
  }
  
  .tggd-gallery-badge {
    top: var(--tggd-spacing-md);
    right: var(--tggd-spacing-md);
    font-size: 11px;
    padding: var(--tggd-spacing-xs) var(--tggd-spacing-sm);
  }
}

@media (max-width: 480px) {
  .tggd-gallery-main {
    aspect-ratio: 4/5;
  }
  
  .tggd-gallery-arrow {
    width: 28px;
    height: 28px;
    font-size: 14px;
  }
  
  .tggd-gallery-arrow-prev {
    left: var(--tggd-spacing-sm);
  }
  
  .tggd-gallery-arrow-next {
    right: var(--tggd-spacing-sm);
  }
  
  .tggd-gallery-thumbnails {
    padding: var(--tggd-spacing-sm);
  }
  
  .tggd-gallery-thumbnail {
    flex: 0 0 50px;
    width: 50px;
    height: 50px;
  }
}