/* 云豆诗词 - 共享样式 */
:root {
  --bg: #f5f0e8;
  --bg-card: #fffef9;
  --ink: #2c2416;
  --ink-light: #6b5d4f;
  --accent: #8b3a3a;
  --accent-light: #a85454;
  --border: #d4c8b8;
  --shadow: 0 2px 12px rgba(44, 36, 22, 0.08);
}
* { margin: 0; padding: 0; box-sizing: border-box; }
body {
  font-family: "Noto Serif SC", "Songti SC", "STSong", "SimSun", serif;
  background: var(--bg);
  color: var(--ink);
  min-height: 100vh;
  line-height: 1.8;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

/* 顶部导航 */
.top-nav {
  background: linear-gradient(135deg, #3d2b1f 0%, #5c3d2e 100%);
  color: #f5f0e8;
  padding: 0 20px;
  border-bottom: 3px solid var(--accent);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
}
.top-nav .brand {
  font-size: 22px;
  letter-spacing: 6px;
  padding: 14px 0;
  font-weight: 500;
  color: #f5f0e8;
}
.top-nav .brand:hover { text-decoration: none; }
.top-nav .nav-links {
  display: flex;
  gap: 24px;
  font-size: 15px;
}
.top-nav .nav-links a {
  color: #d4c8b8;
  padding: 14px 0;
  border-bottom: 2px solid transparent;
  transition: all 0.2s;
}
.top-nav .nav-links a:hover,
.top-nav .nav-links a.active {
  color: #fff;
  border-bottom-color: var(--accent);
  text-decoration: none;
}

/* 页面头部 */
.page-header {
  text-align: center;
  padding: 32px 20px 20px;
}
.page-header h1 {
  font-size: 26px;
  letter-spacing: 4px;
  margin-bottom: 8px;
  font-weight: 500;
}
.page-header .desc {
  color: var(--ink-light);
  font-size: 14px;
}

/* 统计栏 */
.stats-bar {
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
  padding: 12px 20px;
  display: flex;
  justify-content: center;
  gap: 32px;
  flex-wrap: wrap;
  font-size: 14px;
  color: var(--ink-light);
}
.stats-bar span { display: inline-flex; align-items: center; gap: 6px; }
.stats-bar .num { color: var(--accent); font-weight: 600; font-size: 16px; }

/* 容器 */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px;
}

/* 搜索框 */
.search-box {
  background: var(--bg-card);
  border-radius: 8px;
  padding: 20px;
  margin-bottom: 24px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  text-align: center;
}
.search-box form {
  display: flex;
  gap: 10px;
  max-width: 600px;
  margin: 0 auto;
}
.search-box input {
  flex: 1;
  padding: 12px 16px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 15px;
  font-family: inherit;
  background: #fff;
  outline: none;
}
.search-box input:focus { border-color: var(--accent); }
.search-box button {
  padding: 12px 24px;
  border: none;
  border-radius: 6px;
  background: var(--accent);
  color: #fff;
  font-size: 15px;
  font-family: inherit;
  cursor: pointer;
  transition: background 0.2s;
}
.search-box button:hover { background: var(--accent-light); }

/* 分类卡片 */
.category-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 16px;
  margin-bottom: 32px;
}
.category-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 24px;
  text-align: center;
  transition: all 0.2s;
  box-shadow: var(--shadow);
  display: block;
  color: var(--ink);
}
.category-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 4px 20px rgba(44, 36, 22, 0.12);
  text-decoration: none;
}
.category-card .icon {
  font-size: 36px;
  margin-bottom: 12px;
}
.category-card h3 {
  font-size: 20px;
  margin-bottom: 8px;
  letter-spacing: 2px;
}
.category-card .count {
  color: var(--accent);
  font-size: 14px;
}
.category-card .desc {
  color: var(--ink-light);
  font-size: 13px;
  margin-top: 8px;
}

/* 诗词卡片网格 */
.poem-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 16px;
}
.poem-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 18px 20px;
  cursor: pointer;
  transition: all 0.2s;
  box-shadow: var(--shadow);
  position: relative;
  overflow: hidden;
  display: block;
  color: var(--ink);
}
.poem-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 3px; height: 100%;
  background: var(--accent);
  opacity: 0;
  transition: opacity 0.2s;
}
.poem-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(44, 36, 22, 0.12);
  text-decoration: none;
}
.poem-card:hover::before { opacity: 1; }
.poem-card .title {
  font-size: 17px;
  font-weight: 600;
  margin-bottom: 4px;
}
.poem-card .meta {
  font-size: 13px;
  color: var(--ink-light);
  margin-bottom: 10px;
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}
.poem-card .meta .tag {
  background: #e8dfd3;
  padding: 1px 8px;
  border-radius: 3px;
  font-size: 12px;
}
.poem-card .preview {
  font-size: 14px;
  line-height: 1.9;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* 分页 */
.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 6px;
  margin-top: 32px;
  flex-wrap: wrap;
}
.pagination a, .pagination span {
  padding: 6px 12px;
  border: 1px solid var(--border);
  background: var(--bg-card);
  border-radius: 4px;
  font-size: 14px;
  color: var(--ink);
  transition: all 0.2s;
}
.pagination a:hover {
  border-color: var(--accent);
  color: var(--accent);
  text-decoration: none;
}
.pagination .current {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}
.pagination .disabled {
  opacity: 0.4;
  pointer-events: none;
}

/* 诗词详情页 */
.poem-detail {
  background: var(--bg-card);
  border-radius: 10px;
  padding: 40px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  max-width: 800px;
  margin: 0 auto;
}
.poem-detail h1 {
  font-size: 28px;
  text-align: center;
  margin-bottom: 8px;
  font-weight: 500;
  letter-spacing: 2px;
}
.poem-detail .author-line {
  text-align: center;
  color: var(--ink-light);
  font-size: 15px;
  margin-bottom: 28px;
}
.poem-detail .author-line a { color: var(--accent); }
.poem-detail .content {
  font-size: 19px;
  line-height: 2.3;
  text-align: center;
  margin-bottom: 24px;
  white-space: pre-line;
}
.poem-detail .tags {
  display: flex;
  justify-content: center;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 20px;
}
.poem-detail .tags .tag {
  background: #e8dfd3;
  padding: 4px 14px;
  border-radius: 12px;
  font-size: 13px;
  color: var(--ink-light);
}
.poem-detail .nav-links {
  display: flex;
  justify-content: space-between;
  margin-top: 32px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
  font-size: 14px;
}
.poem-detail .nav-links a { color: var(--accent); }

/* 作者列表 */
.author-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 10px;
}
.author-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 12px 16px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: all 0.2s;
}
.author-item:hover {
  border-color: var(--accent);
  background: #faf6f0;
}
.author-item a { color: var(--ink); font-size: 15px; }
.author-item a:hover { color: var(--accent); text-decoration: none; }
.author-item .count { color: var(--ink-light); font-size: 13px; }

/* 字母索引 */
.alpha-index {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  justify-content: center;
  margin-bottom: 24px;
}
.alpha-index a {
  padding: 4px 10px;
  border: 1px solid var(--border);
  border-radius: 4px;
  font-size: 14px;
  color: var(--ink);
  background: var(--bg-card);
}
.alpha-index a:hover {
  border-color: var(--accent);
  color: var(--accent);
  text-decoration: none;
}

/* 搜索结果 */
.search-result-info {
  margin-bottom: 16px;
  font-size: 14px;
  color: var(--ink-light);
}
.search-result-info .keyword { color: var(--accent); font-weight: 600; }

/* 页脚 */
.footer {
  text-align: center;
  padding: 28px 20px;
  color: var(--ink-light);
  font-size: 13px;
  border-top: 1px solid var(--border);
  margin-top: 40px;
  line-height: 2;
}

/* 加载中 */
.loading { text-align: center; padding: 40px; color: var(--ink-light); }

/* 空状态 */
.empty { text-align: center; padding: 60px 20px; color: var(--ink-light); font-size: 16px; }

/* 面包屑 */
.breadcrumb {
  font-size: 13px;
  color: var(--ink-light);
  margin-bottom: 16px;
}
.breadcrumb a { color: var(--ink-light); }
.breadcrumb a:hover { color: var(--accent); }
.breadcrumb span { margin: 0 6px; }

/* 响应式 */
@media (max-width: 600px) {
  .top-nav { flex-direction: column; padding: 10px 20px; }
  .top-nav .brand { font-size: 18px; letter-spacing: 4px; padding: 8px 0; }
  .top-nav .nav-links { gap: 16px; font-size: 14px; }
  .page-header h1 { font-size: 22px; }
  .poem-grid { grid-template-columns: 1fr; }
  .poem-detail { padding: 24px 20px; }
  .poem-detail h1 { font-size: 22px; }
  .poem-detail .content { font-size: 17px; }
  .search-box form { flex-direction: column; }
  .stats-bar { gap: 14px; font-size: 13px; }
}