/**
 * 商品详情页图片展示专用样式
 * 优化主图和缩略图布局，实现左右高度一致的设计
 */

/* 主要布局容器 */
.product-gallery-container {
  min-height: 600px;
}

/* 主图区域样式 */
.main-product-image {
  width: 100%;
  height: 600px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: #f8f9fa;
  /* border-radius: 8px; */
  position: relative;
}

#main-product-image {
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
  transition: opacity 0.3s ease;
  cursor: pointer;
}

/* 缩略图滚动容器 - 简洁风格 */
.thumbnail-scroll-container {
  height: 600px;
  overflow-y: auto;
  overflow-x: hidden;
  padding: 0;
  position: relative;
  background: #f8f9fa;
}

/* 自定义滚动条样式 - 淡灰色背景 */
.thumbnail-scroll-container::-webkit-scrollbar {
  width: 6px;
}

.thumbnail-scroll-container::-webkit-scrollbar-track {
  background: #f5f5f5;
  border-radius: 3px;
}

.thumbnail-scroll-container::-webkit-scrollbar-thumb {
  background: rgba(0, 0, 0, 0.2);
  border-radius: 3px;
  transition: background 0.2s ease;
}

.thumbnail-scroll-container::-webkit-scrollbar-thumb:hover {
  background: rgba(0, 0, 0, 0.4);
}

/* 缩略图列表 - 苹果相册风格 */
.thumbnail-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4px;
  padding: 0 8px;
}

/* 缩略图项目 - 简洁风格 */
.thumbnail-item {
  cursor: pointer;
  transition: all 0.2s ease;
  overflow: hidden;
  position: relative;
  aspect-ratio: 1;
  width: 100%;
  opacity: 0.7;
}

.thumbnail-item:hover {
  opacity: 0.9;
  transform: scale(1.02);
}

.thumbnail-item.active {
  opacity: 1;
}

/* 缩略图遮罩效果 - 覆盖product-lightbox.css的悬停提示 */
.thumbnail-scroll-container .thumbnail-item::before {
  content: '' !important;
  position: absolute;
  top: 0 !important;
  left: 0 !important;
  right: 0 !important;
  bottom: 0 !important;
  transform: none !important;
  background: rgba(0, 0, 0, 0.3) !important;
  opacity: 0.3;
  /* 默认遮罩强度 */
  transition: opacity 0.2s ease;
  z-index: 5;
  pointer-events: none;
  color: transparent !important;
  padding: 0 !important;
  font-size: 0 !important;
}

.thumbnail-scroll-container .thumbnail-item:hover::before {
  opacity: 0.1;
  /* 悬停时几乎透明 */
}

.thumbnail-scroll-container .thumbnail-item.active::before {
  opacity: 0;
  /* 激活时完全透明 */
}

/* 移除激活状态的边框 - 只使用透明度效果 */

/* 强制移除任何可能的阴影效果和圆角 - 限制作用范围到缩略图容器内 */
.thumbnail-scroll-container .thumbnail-item.active {
  box-shadow: none !important;
  border-color: transparent !important;
  border-radius: 0 !important;
}

/* 强制移除所有缩略图的圆角 */
.thumbnail-scroll-container .thumbnail-item,
.thumbnail-scroll-container .thumbnail-item *,
.thumbnail-scroll-container .thumbnail-item::before,
.thumbnail-scroll-container .thumbnail-item::after {
  border-radius: 0 !important;
}



.thumbnail-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.2s ease;
}

.thumbnail-item:hover .thumbnail-img {
  transform: scale(1.03);
}

/* 滚动指示器 - 隐藏 */
.scroll-indicator {
  display: none;
}

/* 缩略图数量指示器 - 固定在顶部 */
.thumbnail-count-indicator {
  position: absolute;
  top: 8px;
  right: 8px;
  background: rgba(0, 0, 0, 0.7);
  color: white;
  padding: 4px 8px;
  border-radius: 12px;
  font-size: 12px;
  font-weight: 500;
  z-index: 10;
  pointer-events: none;
}



/* 加载状态 */
.loading-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(255, 255, 255, 0.8);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.loading-overlay.show {
  opacity: 1;
}

.loading-spinner {
  width: 40px;
  height: 40px;
  border: 3px solid #f3f3f3;
  border-top: 3px solid rgb(247, 243, 20);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

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

  100% {
    transform: rotate(360deg);
  }
}

/* 响应式设计 */
@media (max-width: 991px) {

  .main-product-image,
  .thumbnail-scroll-container {
    height: 500px;
  }

  .thumbnail-list {
    gap: 3px;
    padding: 6px;
  }
}

@media (max-width: 767px) {

  /* 移动端隐藏桌面版图片展示，使用轮播图 */
  .product-gallery-container {
    display: none;
  }
}

@media (min-width: 768px) and (max-width: 991px) {
  .thumbnail-list {
    gap: 3px;
  }
}

/* 平板横屏优化 */
@media (min-width: 992px) and (max-width: 1199px) {

  .main-product-image,
  .thumbnail-scroll-container {
    height: 550px;
  }
}

/* 大屏幕优化 */
@media (min-width: 1200px) {

  .main-product-image,
  .thumbnail-scroll-container {
    height: 650px;
  }
}

/* 无障碍优化 */
.thumbnail-item:focus {
  /* outline: 2px solid #007AFF;
  outline-offset: 2px; */
}

/* 键盘导航提示 */
.thumbnail-item[tabindex="0"] {
  position: relative;
}

.thumbnail-item[tabindex="0"]:focus::after {
  content: '';
  position: absolute;
  top: -2px;
  left: -2px;
  right: -2px;
  bottom: -2px;
  border: 2px solid rgb(247, 243, 20);
  border-radius: 10px;
  pointer-events: none;
}

/* 暗色模式支持 */
@media (prefers-color-scheme: dark) {
  .main-product-image {
    background-color: #2d3748;
  }

  .thumbnail-item {
    background-color: #2d3748;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
  }

  .thumbnail-scroll-container::-webkit-scrollbar-track {
    background: #cccccc;
  }

  .thumbnail-scroll-container::-webkit-scrollbar-thumb {
    background: #0f080b;
  }

  .scroll-indicator.top {
    background: linear-gradient(to bottom, rgba(45, 55, 72, 0.9), transparent);
  }

  .scroll-indicator.bottom {
    background: linear-gradient(to top, rgba(45, 55, 72, 0.9), transparent);
  }
}