/* ==========================================================================
   Book Detail Page Styles - default_br_pro
   ========================================================================== */

.brpro-book {
  padding: 20px 0 40px;
}

/* 面包屑导航 */
.brpro-breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--brpro-muted);
  margin-bottom: 20px;
  padding: 0 4px;
}

.brpro-breadcrumb a {
  color: var(--brpro-muted);
  text-decoration: none;
  transition: color 0.2s;
}

.brpro-breadcrumb a:hover {
  color: var(--brpro-accent);
}

.brpro-breadcrumb .sep {
  color: var(--brpro-border);
}

.brpro-breadcrumb .current {
  color: var(--brpro-text);
  font-weight: 500;
}

/* 书籍信息头部 */
.brpro-book-head {
  display: flex;
  gap: 24px;
  padding: 24px;
  margin-bottom: 20px;
}

.brpro-book-head .book-cover {
  flex-shrink: 0;
  width: 200px;
}

.brpro-book-head .book-cover .imgbox {
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
  aspect-ratio: 3 / 4;
  background: #f1f3f5;
}

.brpro-book-head .book-cover img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.brpro-book-head .book-info {
  flex: 1;
  display: flex;
  flex-direction: column;
}

.brpro-book-head .book-name {
  margin: 0 0 12px 0;
  font-size: 28px;
  font-weight: 700;
  color: var(--brpro-text);
  line-height: 1.2;
}

.brpro-book-head .book-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
  margin-bottom: 16px;
}

.brpro-book-head .meta-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  color: var(--brpro-muted);
}

.brpro-book-head .meta-item.author {
  color: var(--brpro-accent);
  font-weight: 500;
}

.brpro-book-head .meta-item.status {
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 12px;
  font-weight: 600;
}

.brpro-book-head .meta-item.status.is-serial {
  background: rgba(232, 93, 4, 0.1);
  color: var(--brpro-accent);
}

.brpro-book-head .meta-item.status.is-done {
  background: rgba(46, 204, 113, 0.1);
  color: #27ae60;
}

.brpro-book-head .book-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 20px;
}

.brpro-book-head .tag-badge {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 999px;
  background: #f8f9fa;
  border: 1px solid var(--brpro-border);
  color: var(--brpro-muted);
  font-size: 12px;
  text-decoration: none;
  transition: all 0.2s;
}

.brpro-book-head .tag-badge:hover {
  background: #ffffff;
  border-color: var(--brpro-accent);
  color: var(--brpro-accent);
}

.brpro-book-head .book-desc {
  color: var(--brpro-muted);
  font-size: 14px;
  line-height: 1.6;
  margin-bottom: 24px;
  flex: 1;
}

.brpro-book-head .book-desc p {
  margin: 0;
  display: -webkit-box;
  -webkit-line-clamp: 4;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.brpro-book-head .book-actions {
  display: flex;
  gap: 16px;
}

.brpro-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 44px;
  padding: 0 24px;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  border: none;
  transition: all 0.2s;
}

.brpro-btn.btn-read {
  background: var(--brpro-accent);
  color: #ffffff;
  box-shadow: 0 4px 12px rgba(232, 93, 4, 0.2);
}

.brpro-btn.btn-read:hover {
  background: var(--brpro-accent-2);
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(232, 93, 4, 0.3);
}

.brpro-btn.btn-sub {
  background: #ffffff;
  border: 1px solid var(--brpro-border);
  color: var(--brpro-text);
}

.brpro-btn.btn-sub:hover {
  border-color: var(--brpro-muted-2);
  background: #f8f9fa;
}

.brpro-btn.btn-sub.is-added {
  color: var(--brpro-muted);
  background: #f1f3f5;
  border-color: transparent;
  cursor: default;
}

/* 最新章节栏 */
.brpro-book-latest {
  margin-bottom: 20px;
  padding: 16px 24px;
  transition: border-color 0.2s;
}

.brpro-book-latest:hover {
  border-color: var(--brpro-accent);
}

.brpro-book-latest .latest-link {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--brpro-text);
}

.brpro-book-latest .label {
  font-weight: 600;
  color: var(--brpro-accent);
}

.brpro-book-latest .chap-name {
  flex: 1;
  font-weight: 500;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.brpro-book-latest .time {
  font-size: 13px;
  color: var(--brpro-muted);
}

.brpro-book-latest .arrow {
  color: var(--brpro-muted-2);
}

/* 章节目录 */
.brpro-book-chapters {
  padding: 24px;
}

.brpro-book-chapters .chaps-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 20px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--brpro-border);
}

.brpro-book-chapters .chaps-head h3 {
  margin: 0;
  font-size: 18px;
  font-weight: 700;
}

.brpro-book-chapters .chaps-head .count {
  font-size: 13px;
  color: var(--brpro-muted);
}

.brpro-book-chapters .chaps-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  list-style: none;
  margin: 0;
  padding: 0;
  width: 100%;
}

.brpro-book-chapters .chaps-list li {
  min-width: 0;
  max-width: 280px; /* 固定最大宽度限制，防止撑大网格 */
  overflow: hidden;
}

.brpro-book-chapters .chaps-list li a {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 10px 12px;
  border-radius: 8px;
  background: #f8f9fa;
  text-decoration: none;
  color: var(--brpro-text);
  font-size: 14px;
  transition: all 0.2s;
  overflow: hidden;
  width: 100%;
  box-sizing: border-box;
}

.brpro-book-chapters .chaps-list li a:hover {
  background: #ffffff;
  color: var(--brpro-accent);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.brpro-book-chapters .chaps-list .idx {
  color: var(--brpro-muted-2);
  font-family: monospace;
  font-size: 12px;
  min-width: 24px;
  flex-shrink: 0;
}

.brpro-book-chapters .chaps-list .name {
  flex: 1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  min-width: 0; /* flex 子元素溢出省略必须加 min-width: 0 */
}

.brpro-book-chapters .chaps-list .vip-tag {
  display: flex;
  align-items: center;
  color: #ff9f43; /* 橙色锁图标 */
  flex-shrink: 0;
}

.brpro-book-chapters .chaps-list .vip-tag svg {
  display: block;
}

/* 侧边栏：猜你喜欢 */
.brpro-book-side {
  padding-bottom: 20px;
}

/* 响应式 */
@media (max-width: 980px) {
  .brpro-book-head {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }
  
  .brpro-book-head .book-meta {
    justify-content: center;
  }
  
  .brpro-book-head .book-tags {
    justify-content: center;
  }
  
  .brpro-book-head .book-actions {
    justify-content: center;
  }

  .brpro-book-chapters .chaps-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 560px) {
  .brpro-book-head .book-cover {
    width: 140px;
  }
  
  .brpro-book-head .book-name {
    font-size: 22px;
  }
  
  .brpro-book-chapters .chaps-list {
    grid-template-columns: 1fr;
  }
  
  .brpro-book-latest .latest-link {
    flex-wrap: wrap;
  }
  
  .brpro-book-latest .chap-name {
    width: 100%;
    order: 3;
    margin-top: 8px;
  }
}