/* =========================================
   reading.css — 阅读页面样式
   命名空间：.reading*
   作用于 reading.njk 渲染的阅读列表页
   高特异性：使用 body 选择器提高优先级
   ========================================= */

/* 强制重置样式 */
body .reading-container1 * {
  box-sizing: border-box;
}

body .reading-container1 input,
body .reading-container1 button {
  font-family: 'Fusion Pixel', monospace !important;
}

/* -------- 1) 页面结构 -------- */
body .reading-main {
  margin: 0 auto;
  padding: 0 16px;
  width: 100%; /* 使用100%宽度，突破page-wrap限制 */
  max-width: none; /* 移除最大宽度限制 */
}

/* -------- 2) Container1: 搜索和分类控制区域 -------- */
body .reading-container1 {
  padding: 16px 0;
  margin-bottom: 24px;
  position: static;
  background: transparent;
}

body .reading-controls {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 8px;
}

body .control-section {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

body .reading-divider {
  height: 1px !important;
  background: #ddd !important;
  margin: 0 !important;
  width: 100% !important;
  display: block !important;
}

/* 搜索框样式 */
body .search-section input {
  border: none !important;
  background: transparent !important;
  padding: 8px 0 !important;
  font-size: 16px !important;
  font-family: 'Fusion Pixel', monospace !important;
  outline: none !important;
  transition: border-color 0.3s ease !important;
  min-width: 200px !important;
}

body .search-section input:focus {
  border-bottom-color: #000 !important;
}

body .search-section input::placeholder {
  color: #999 !important;
  font-family: 'Fusion Pixel', monospace !important;
}

/* 控制按钮样式 */
body .control-btn {
  border: none !important;
  background: none !important;
  padding: 4px 8px !important;
  font-size: 14px !important;
  font-family: 'Fusion Pixel', monospace !important;
  color: #666 !important;
  cursor: pointer !important;
  transition: all 0.3s ease !important;
  text-decoration: none !important;
}

body .control-btn:hover {
  color: #000 !important;
  text-decoration: underline !important;
}

body .control-btn.active {
  color: #000 !important;
  font-weight: 600 !important;
  text-decoration: underline !important;
}

/* -------- 3) Container2: 书籍卡片横向滚动 -------- */
.reading-container2 {
  position: relative;
  background: #fff;
  overflow: visible; /* 改为可见，避免裁剪内容 */
  min-height: auto; /* 改为自适应高度 */
}

.books-scroll-container {
  overflow-x: auto;
  overflow-y: hidden;
  scrollbar-width: none; /* Firefox */
  -ms-overflow-style: none; /* IE/Edge */
}

.books-scroll-container::-webkit-scrollbar {
  display: none; /* Chrome/Safari */
}

.books-scroll-track {
  display: flex;
  gap: 20px;
  padding: 10px 0;
}

/* 书籍卡片 */
.book-card {
  flex: 0 0 256px; /* 缩小20%：320px * 0.8 = 256px */
  background: #fff;
  border-radius: 0; /* 去掉圆角 */
  overflow: visible; /* 改为可见，让【更多】按钮显示出来 */
  transition: all 0.3s ease;
  cursor: pointer;
  box-shadow: none; /* 去掉阴影 */
  height: auto; /* 改为自适应高度 */
  min-height: 200px; /* 设置最小高度保持基本布局 */
}

.book-card:hover {
  transform: translateY(-4px);
  box-shadow: none; /* hover时也不显示阴影 */
}

/* 新的book-content结构 */
.book-content {
  display: flex;
  height: auto; /* 改为自适应高度 */
  min-height: 100%; /* 确保至少占满卡片高度 */
}

.book-line {
  padding: 0 12px;
  display: flex;
  align-items: center;
  flex-shrink: 0; /* 防止分隔线区域被压缩 */
}

.book-divider-vertical {
  width: 1px;
  height: 100%;
  background: #ddd;
}

.book-main {
  flex: 1;
  padding: 12px 16px 12px 0; /* 右侧添加一些padding */
  display: flex;
  flex-direction: column;
  min-width: 0; /* 允许内容收缩 */
}

.book-intro {
  flex: none; /* 改为不拉伸，自适应内容 */
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-height: 0; /* 允许内容收缩 */
}

.book-cover {
  width: 100%; /* 宽度充满父容器 */
  height: auto; /* 高度自适应 */
  aspect-ratio: 3/4; /* 4:3竖向比例 */
  overflow: hidden;
  border-radius: 0; /* 去掉封面圆角 */
  align-self: flex-start;
  flex-shrink: 0; /* 防止封面被压缩 */
  box-shadow: none; /* 去掉封面阴影 */
}

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

.book-card:hover .book-cover img {
  transform: scale(1.05);
}

.book-placeholder {
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, #f5f5f5, #e0e0e0);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 10px;
  font-weight: bold;
  color: #999;
  font-family: 'Fusion Pixel', monospace;
}

.book-title {
  margin: 0;
  font-size: 22px; /* 从18px增大到22px */
  font-weight: 600;
  line-height: 1.3;
  font-family: 'Fusion Pixel', monospace;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.book-title a {
  color: #000;
  text-decoration: none;
}

.book-title a:hover {
  text-decoration: underline;
}

.book-meta {
  display: flex;
  gap: 6px;
  align-items: center;
  font-size: 14px; /* 从11px增大到14px */
  color: #666;
  font-family: 'Fusion Pixel', monospace;
}

.book-author {
  font-style: italic;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.book-year {
  color: #999;
  flex-shrink: 0;
}

.book-summary {
  font-size: 0.9rem; /* 从1rem减小到0.9rem */
  line-height: 1.4;
  color: #666;
  margin-top: 2px;
  font-family: 'Fusion Pixel', monospace;
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 4; /* 显示4行 */
  line-clamp: 4;
  -webkit-box-orient: vertical;
}

.book-divider-horizontal {
  height: 1px;
  background: #ddd;
  margin: 6px 0;
  flex-shrink: 0;
}

.book-note {
  flex: none; /* 改为不拉伸，自适应内容 */
  padding-top: 4px;
  min-height: 0; /* 允许内容收缩 */
}

.note-content {
  font-size: 10px;
  line-height: 1.4;
  font-family: 'Fusion Pixel', monospace;
  /* 移除max-height限制，让内容完全显示 */
  overflow: visible; /* 改为可见 */
}

.note-title-item {
  margin-bottom: 4px;
}

.note-title-item:last-child {
  margin-bottom: 0;
}

.note-title-link {
  display: block;
  font-size: 1rem; /* 从0.9rem增大到1rem */
  font-weight: 500;
  color: #333; /* 比简介的#666更深 */
  text-decoration: none;
  padding: 2px 0;
  transition: color 0.3s ease;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.note-title-link:hover {
  color: #000;
  text-decoration: underline;
}

.note-text {
  color: #666;
  font-size: 9px;
  line-height: 1.3;
  margin-top: 2px;
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  -webkit-box-orient: vertical;
}

.note-placeholder {
  color: #999;
  font-style: italic;
  font-size: 10px;
}

/* 更多按钮样式 */
.more-button-container {
  margin-top: 8px;
  text-align: right; /* 右对齐 */
  /* 移除边框 */
}

.more-button {
  background: none; /* 去掉背景 */
  border: none; /* 去掉边框 */
  padding: 0; /* 去掉内边距 */
  font-size: 0.9rem; /* 与章节标题字号保持一致 */
  color: #333; /* 与章节标题颜色一致 */
  cursor: pointer;
  font-family: 'Fusion Pixel', monospace;
  transition: color 0.3s ease;
  text-decoration: none; /* 去掉下划线 */
}

.more-button:hover {
  color: #000; /* hover时颜色更深 */
}

.more-titles {
  margin-top: 4px;
}

/* 滚动按钮 - 默认隐藏，hover时显示 */
.scroll-btn {
  position: fixed; /* 改为fixed定位，相对于视口 */
  top: 50%;
  transform: translateY(-50%);
  width: 6rem; /* 竖向矩形宽度 */
  height: 40rem; /* 竖向矩形高度 */
  background: transparent; /* 透明背景 */
  border: none; /* 去掉边框 */
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
  z-index: 1000; /* 提高层级 */
  opacity: 0; /* 默认隐藏 */
  /* 移除visibility: hidden，让按钮可以响应hover */
}

/* SVG图标样式 - 默认透明，hover时显示 */
.scroll-btn img {
  width: 2rem; /* SVG图标宽度 */
  height: auto; /* 保持比例 */
  opacity: 0.05; /* 默认显示，但很透明 */
  transition: opacity 0.3s ease; /* 添加过渡效果 */
}

.scroll-btn:hover {
  opacity: 1; /* hover时显示按钮 */
  transform: translateY(-50%) scale(1.05); /* hover时稍微放大 */
}

.scroll-btn:hover img {
  opacity: 1; /* hover时显示SVG图标 */
}

.scroll-left {
  left: 2%; /* 距离左边缘20px */
}

.scroll-right {
  right: 2%; /* 距离右边缘20px */
}

/* 移除页面hover效果，只保留按钮自身hover */

/* ===== 章节选择目录按钮 ===== */
.chapter-toc {
  position: fixed;
  bottom: 70px; /* 在返回按钮正上方 */
  right: 16px; /* 与返回按钮右对齐 */
  width: 44px; /* 与返回按钮保持一致 */
  height: 44px; /* 与返回按钮保持一致 */
  background: #000;
  border: none;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: none; /* 去掉阴影效果 */
  transition: all 0.3s ease;
  opacity: 0;
  visibility: hidden;
  z-index: 1000;
}

.chapter-toc.is-visible {
  opacity: 1;
  visibility: visible;
}

.chapter-toc:hover {
  transform: translateY(-2px);
  box-shadow: none; /* 去掉hover时的阴影效果 */
}

.chapter-toc img {
  width: 24px;
  height: auto;
  filter: brightness(0) invert(1); /* 将黑色SVG转为白色 */
}

/* ===== 章节目录弹窗样式 ===== */
.chapter-toc-modal {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: flex-end;
  justify-content: flex-end; /* 改为右对齐 */
  z-index: 2000;
  animation: fadeIn 0.3s ease;
}

.chapter-toc-content {
  background: #fff;
  border-radius: 12px;
  padding: 24px;
  width: 240px;
  height: 500px;
  overflow-y: auto;
  box-shadow: 0 -8px 32px rgba(0, 0, 0, 0.3);
  animation: slideUpFromBottom 0.3s ease;
  margin-right: 20px; /* 改为右边距 */
  margin-bottom: 140px; /* 往上移动20px：80px + 20px = 100px */
}

.chapter-toc-content h3 {
  margin: 0 0 16px 0;
  font-size: 18px;
  font-weight: 600;
  color: #000;
  font-family: 'Fusion Pixel', monospace;
}

.chapter-toc-content ul {
  list-style: none;
  padding: 0;
  margin: 0 0 20px 0;
}

.chapter-toc-content li {
  margin-bottom: 8px;
}

.chapter-link {
  display: block;
  padding: 8px 12px;
  color: #333;
  text-decoration: none;
  border-radius: 6px;
  transition: background-color 0.2s ease;
  font-family: 'Fusion Pixel', monospace;
  font-size: 14px;
  line-height: 1.4;
}

.chapter-link:hover {
  background-color: #f5f5f5;
  color: #000;
}

.chapter-number {
  color: #666;
  font-weight: 600;
  margin-right: 8px;
  font-family: 'Fusion Pixel', monospace;
}

.close-toc {
  background: #000;
  color: #fff;
  border: none;
  padding: 8px 16px;
  border-radius: 6px;
  cursor: pointer;
  font-family: 'Fusion Pixel', monospace;
  font-size: 14px;
  transition: background-color 0.2s ease;
}

.close-toc:hover {
  background: #333;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes slideUpFromBottom {
  from { 
    opacity: 0;
    transform: translateY(100%);
  }
  to { 
    opacity: 1;
    transform: translateY(0);
  }
}

/* 空状态 */
.empty-state {
  text-align: center;
  padding: 40px 20px;
  color: #666;
}

.empty-state h3 {
  margin: 0 0 12px 0;
  font-size: 18px;
}

.empty-state p {
  margin: 0;
  font-size: 14px;
}

.empty-state a {
  color: #667eea;
  text-decoration: none;
}

.empty-state a:hover {
  text-decoration: underline;
}

/* -------- 4) 响应式设计 -------- */
@media (max-width: 768px) {
  .reading-main {
    width: 100%; /* 移动设备上也使用100%宽度 */
    padding: 0 8px; /* 缩小整个内容区域的左右边距 */
  }
  
  .reading-container1 {
    padding: 12px 0;
    position: static;
  }
  
  .reading-controls {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
  }
  
  .control-section {
    border-right: none;
    padding-right: 0;
    width: 100%;
  }
  
  .search-section input {
    min-width: 100%;
  }
  
  .reading-container2 {
    padding: 20px 60px;
  }
  
  .book-card {
    flex: 0 0 224px; /* 缩小20%：280px * 0.8 = 224px */
    height: auto; /* 改为自适应高度，跟随内容 */
    min-height: 180px; /* 设置最小高度保持基本布局 */
  }
  
  .book-cover {
    width: 100%; /* 全宽显示 */
    height: auto; /* 高度自适应 */
    aspect-ratio: 3/4; /* 保持3:4比例 */
  }
  
  .book-title {
    font-size: 18px; /* 从16px增大到18px */
  }
  
  .book-meta {
    font-size: 12px; /* 从10px增大到12px */
  }
  
  .book-summary {
    font-size: 0.8rem; /* 从10px调整为0.8rem */
  }
  
  .note-content {
    font-size: 9px;
    /* 移除max-height限制，让章节标题完全显示 */
    overflow: visible;
  }
  
  .note-title-link {
    font-size: 0.9rem; /* 中等屏幕字体大小，比简介的0.8rem稍大 */
  }
  
  .scroll-btn {
    width: 5rem; /* 中等屏幕竖向矩形宽度 */
    height: 35rem; /* 中等屏幕竖向矩形高度 */
    opacity: 0.5; /* 默认显示，但稍微透明 */
  }
  
  .scroll-btn img {
    width: 1.5rem; /* 中等屏幕SVG图标宽度 */
    opacity: 0.1; /* 默认显示图标，60%透明度 */
    filter: brightness(0.7) grayscale(0.3); /* 使图标颜色变浅 */
  }
  
  .scroll-left {
    left: 15px; /* 中等屏幕距离边缘15px */
  }
  
  .scroll-right {
    right: 15px; /* 中等屏幕距离边缘15px */
  }
  
  .chapter-toc {
    bottom: 65px; /* 中等屏幕在返回按钮正上方 */
    right: 15px; /* 与返回按钮右对齐 */
    width: 45px;
    height: 45px;
  }
  
  .chapter-toc img {
    width: 20px;
  }
  
  .chapter-toc-content {
    margin-right: 15px; /* 改为右边距 */
    margin-bottom: 130px; /* 往上移动20px：70px + 20px = 90px */
    width: 240px;
    height: 500px;
  }
}

@media (max-width: 480px) {
  .reading-main {
    width: 100%; /* 小屏幕设备上也使用100%宽度 */
    padding: 0 4px; /* 进一步缩小整个内容区域的左右边距 */
  }
  
  .reading-container1 {
    padding: 8px 0;
  }
  
  .reading-controls {
    gap: 12px;
  }
  
  .control-section {
    gap: 8px;
    padding-bottom: 8px;
  }
  
  .control-btn {
    font-size: 13px;
    font-family: 'Fusion Pixel', monospace;
    padding: 2px 6px;
  }
  
  .search-section input {
    font-size: 14px;
    font-family: 'Fusion Pixel', monospace;
  }
  
  .search-section input::placeholder {
    font-family: 'Fusion Pixel', monospace;
  }
  
  .book-card {
    flex: 0 0 192px; /* 缩小20%：240px * 0.8 = 192px */
    height: auto; /* 改为自适应高度，跟随内容 */
    min-height: 160px; /* 设置最小高度保持基本布局 */
  }
  
  .book-cover {
    width: 100%; /* 全宽显示 */
    height: auto; /* 高度自适应 */
    aspect-ratio: 3/4; /* 保持3:4比例 */
  }
  
  .book-title {
    font-size: 16px; /* 从14px增大到16px */
  }
  
  .book-meta {
    font-size: 11px; /* 从9px增大到11px */
  }
  
  .book-summary {
    font-size: 0.75rem; /* 从9px调整为0.75rem */
  }
  
  .note-content {
    font-size: 8px;
    /* 移除max-height限制，让章节标题完全显示 */
    overflow: visible;
  }
  
  .note-title-link {
    font-size: 0.85rem; /* 移动端字体大小，比简介的0.75rem稍大 */
  }
  
  .scroll-btn {
    width: 4rem; /* 移动端竖向矩形宽度 */
    height: 30rem; /* 移动端竖向矩形高度 */
    opacity: 0.6; /* 默认显示，但稍微透明 */
  }
  
  .scroll-btn img {
    width: 1.2rem; /* 移动端SVG图标宽度 */
    opacity: 0.1; /* 默认显示图标，很透明 */
    filter: brightness(0.7) grayscale(0.3); /* 使图标颜色变浅 */
  }
  
  .scroll-left {
    left: 10px; /* 移动端距离边缘10px */
  }
  
  .scroll-right {
    right: 10px; /* 移动端距离边缘10px */
  }
  
  .chapter-toc {
    bottom: 60px; /* 小屏幕在返回按钮正上方 */
    right: 10px; /* 与返回按钮右对齐 */
    width: 40px;
    height: 40px;
  }
  
  .chapter-toc img {
    width: 18px;
  }
  
  .chapter-toc-content {
    margin-right: 10px; /* 改为右边距 */
    margin-bottom: 80px; /* 往上移动20px：60px + 20px = 80px */
    width: 240px;
    height: 500px;
    padding: 20px;
  }
}

/* =========================================
   读书笔记详情页面样式
   ========================================= */

/* =========================================
   reading.css — 阅读详情页样式
   命名空间：.reading*
   只作用于 layouts/reading.njk 渲染的详情页
   高优先级：使用 body[data-section="zhi"] 提高特异性
   ========================================= */

/* -------- 1) 页面结构 -------- */
body[data-section="zhi"] main.page-wrap {
  max-width: 1000px !important;
  width: 100% !important;
  margin: 32px auto !important;
  padding: 0 16px !important;
}

/* 读书笔记详情页面容器 */
body[data-section="zhi"] .reading {
  max-width: 100% !important;
  margin: 0 !important;
  padding: 20px 0 !important;
}

/* 书籍信息容器 - 左右分栏布局 */
.reading-info-container {
  display: flex;
  gap: 40px;
  margin-bottom: 40px;
  align-items: flex-start;
}

/* 左侧：书籍封面区域 */
.reading-cover-section {
  flex: 0 0 250px;
}

.reading-hero {
  margin: 0;
  text-align: center;
}

.reading-hero img {
  width: 100%;
  max-width: 250px;
  height: auto;
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

/* 右侧：书籍信息区域 */
.reading-info-section {
  flex: 1;
  min-width: 0;
}

.reading-title {
  font-size: 2.5rem;
  font-weight: 700;
  margin: 0 0 20px 0;
  font-family: 'Fusion Pixel', monospace;
  line-height: 1.2;
}

/* 分类样式 */
.reading-category {
  margin-bottom: 16px;
}

.reading-category .chip {
  background: #f0f0f0;
  padding: 6px 12px;
  border-radius: 6px;
  font-size: 0.9rem;
  font-family: 'Fusion Pixel', monospace;
  color: #333;
}

.reading-author {
  font-size: 1.2rem;
  color: #666;
  margin: 0 0 20px 0;
  font-family: 'Fusion Pixel', monospace;
  font-style: italic;
}

/* 简介样式 */
.reading-description {
  margin-bottom: 20px;
}

.reading-description p {
  font-size: 1rem;
  line-height: 1.6;
  color: #555;
  margin: 0;
  font-family: 'Fusion Pixel', monospace;
}

/* 评分 */
.reading-rating {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 24px;
}

.star {
  font-size: 1.2rem;
  color: #ffd700;
}

.rating-text {
  font-size: 0.9rem;
  color: #666;
  font-family: 'Fusion Pixel', monospace;
}

/* 元信息 */
.reading-meta {
  margin-bottom: 20px;
}

.reading-line {
  display: flex;
  align-items: center;
  margin-bottom: 8px;
  font-family: 'Fusion Pixel', monospace;
}

.reading-line .label {
  font-weight: 600;
  color: #333;
  min-width: 80px;
}

.reading-line .value {
  color: #666;
}

.chip {
  background: #f0f0f0;
  padding: 4px 8px;
  border-radius: 4px;
  font-size: 0.9rem;
}

.tag-list {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.tag {
  color: #667eea;
  font-size: 0.9rem;
}

/* 分隔线 */
.reading-divider {
  height: 1px;
  background: #ddd;
  margin: 20px 0;
}

/* 正文内容 */
.reading-body {
  line-height: 1.7;
  font-size: 1rem;
  color: #333;
}

.reading-body h1 {
  font-size: 2rem;
  font-weight: 600;
  margin: 40px 0 20px 0;
  padding-top: 20px;
  font-family: 'Fusion Pixel', monospace;
  border-top: 1px solid #eee;
}

.reading-body h1:first-child {
  border-top: none;
  margin-top: 0;
}

.reading-body h2 {
  font-size: 1.5rem;
  font-weight: 600;
  margin: 30px 0 16px 0;
  font-family: 'Fusion Pixel', monospace;
}

.reading-body h3 {
  font-size: 1.2rem;
  font-weight: 600;
  margin: 24px 0 12px 0;
  font-family: 'Fusion Pixel', monospace;
}

.reading-body p {
  margin: 0 0 16px 0;
}

.reading-body ul, .reading-body ol {
  margin: 0 0 16px 0;
  padding-left: 24px;
}

.reading-body li {
  margin-bottom: 8px;
}

.reading-body strong {
  font-weight: 600;
}

/* 返回链接 */
.reading-back {
  margin-top: 60px;
  padding-top: 20px;
  border-top: 1px solid #eee;
}

.link-back {
  color: #000;
  text-decoration: none;
  font-family: 'Fusion Pixel', monospace;
  font-size: 0.9rem;
}

.link-back:hover {
  text-decoration: underline;
}

/* 响应式设计 */
@media (max-width: 768px) {
  .reading {
    padding: 15px;
  }
  
  .reading-info-container {
    flex-direction: column;
    gap: 20px;
  }
  
  .reading-cover-section {
    flex: none;
    text-align: center;
  }
  
  .reading-hero img {
    max-width: 200px;
  }
  
  .reading-title {
    font-size: 2rem;
  }
}