/* source/css/image-zoom.css */

/* 图片放大遮罩层 */
.image-zoom-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.95);
  z-index: 9999;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.image-zoom-overlay.active {
  display: block;
  opacity: 1;
}

/* 主图片容器 */
.zoom-main-container {
  position: relative;
  width: 100%;
  height: calc(100% - 120px);
  display: flex;
  justify-content: center;
  align-items: center;
}

/* 放大的图片 */
.image-zoom-overlay .zoomed-image {
  max-width: 85%;
  max-height: 85%;
  object-fit: contain;
  box-shadow: 0 0 30px rgba(0, 0, 0, 0.5);
  border-radius: 4px;
  transform: scale(0.9);
  transition: transform 0.3s ease;
  cursor: pointer;
}

.image-zoom-overlay.active .zoomed-image {
  transform: scale(1);
}

/* 关闭按钮 */
.image-zoom-close {
  position: absolute;
  top: 20px;
  right: 30px;
  color: #fff;
  font-size: 40px;
  font-weight: bold;
  cursor: pointer;
  z-index: 10000;
  transition: all 0.2s;
  width: 50px;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.1);
  padding-bottom: 6px;
}

.image-zoom-close:hover {
  color: #ddd;
  background-color: rgba(255, 255, 255, 0.2);
  transform: rotate(90deg);
}

/* 导航按钮 */
.zoom-nav-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 60px;
  height: 60px;
  background-color: rgba(0, 0, 0, 0.5);
  color: #fff;
  border: none;
  border-radius: 50%;
  font-size: 30px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
  z-index: 10001;
  backdrop-filter: blur(5px);
}

.zoom-nav-btn:hover {
  background-color: rgba(255, 255, 255, 0.2);
  transform: translateY(-50%) scale(1.1);
}

.zoom-nav-btn.prev {
  left: 30px;
}

.zoom-nav-btn.next {
  right: 30px;
}

.zoom-nav-btn:disabled {
  opacity: 0.3;
  cursor: not-allowed;
}

.zoom-nav-btn:disabled:hover {
  transform: translateY(-50%);
  background-color: rgba(0, 0, 0, 0.5);
}

/* 图片计数 */
.image-counter {
  position: absolute;
  top: 30px;
  left: 30px;
  color: #fff;
  font-size: 16px;
  padding: 8px 16px;
  background-color: rgba(0, 0, 0, 0.5);
  border-radius: 20px;
  backdrop-filter: blur(5px);
  z-index: 10001;
}

/* 标题栏 */
.image-caption {
  position: absolute;
  bottom: 100px;
  left: 50%;
  transform: translateX(-50%);
  color: #fff;
  font-size: 14px;
  padding: 8px 20px;
  background-color: rgba(0, 0, 0, 0.5);
  border-radius: 20px;
  max-width: 80%;
  text-align: center;
  backdrop-filter: blur(5px);
  z-index: 10001;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* 缩略图导航 */
.thumbnail-nav {
  position: absolute;
  bottom: 20px;
  left: 0;
  right: 0;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 10px;
  padding: 15px;
  background: linear-gradient(
    to top,
    rgba(0, 0, 0, 0.8),
    transparent
  );
  z-index: 10001;
}

.thumbnail-container {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding: 5px 10px;
  max-width: 70%;
  scroll-behavior: smooth;
  scrollbar-width: thin;
  scrollbar-color: rgba(255, 255, 255, 0.3) transparent;
}

.thumbnail-container::-webkit-scrollbar {
  height: 4px;
}

.thumbnail-container::-webkit-scrollbar-track {
  background: transparent;
}

.thumbnail-container::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.3);
  border-radius: 4px;
}

.thumbnail {
  width: 60px;
  height: 60px;
  object-fit: cover;
  border-radius: 4px;
  cursor: pointer;
  border: 2px solid transparent;
  transition: all 0.2s;
  opacity: 0.6;
  flex-shrink: 0;
}

.thumbnail:hover {
  opacity: 0.9;
  transform: scale(1.05);
}

.thumbnail.active {
  border-color: #fff;
  opacity: 1;
}

/* 加载动画 */
.image-zoom-loading {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 50px;
  height: 50px;
  border: 4px solid rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  border-top-color: #fff;
  animation: spin 1s ease-in-out infinite;
  z-index: 10002;
}

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

/* 点击提示 */
.article-text img {
  cursor: zoom-in;
  transition: opacity 0.3s;
}

.article-text img:hover {
  opacity: 0.9;
}

/* 移动端适配 */
@media (max-width: 768px) {
  .zoom-nav-btn {
    width: 40px;
    height: 40px;
    font-size: 20px;
  }

  .zoom-nav-btn.prev {
    left: 10px;
  }

  .zoom-nav-btn.next {
    right: 10px;
  }

  .thumbnail {
    width: 45px;
    height: 45px;
  }

  .image-counter {
    top: 20px;
    left: 20px;
    font-size: 14px;
  }

  .image-zoom-close {
    top: 15px;
    right: 15px;
    width: 40px;
    height: 40px;
    font-size: 30px;
  }

  .image-caption {
    bottom: 90px;
    font-size: 12px;
    white-space: normal;
    max-width: 90%;
  }
}