/* ============================================================
   TechNews 资讯聚合网站 - 全局样式
   支持亮色/暗色主题切换，响应式设计
   ============================================================ */

/* ---- CSS 变量：亮色主题 ---- */
:root {
  --bg-primary: #f8fafc;
  --bg-secondary: #ffffff;
  --bg-tertiary: #f1f5f9;
  --bg-card: #ffffff;
  --bg-hover: #f1f5f9;
  --text-primary: #1e293b;
  --text-secondary: #475569;
  --text-muted: #94a3b8;
  --border-color: #e2e8f0;
  --accent: #3b82f6;
  --accent-hover: #2563eb;
  --accent-light: #eff6ff;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xs: 4px;
  --radius-full: 9999px;
  --transition: all 0.2s ease;
  --header-height: 64px;

/* 平台颜色 */
  --color-youtube: #FF0000;
  --color-tiktok: #000000;
  --color-github: #6e5494;
  --color-blog: #0ea5e9;

  /* 分类颜色 */
  --color-tech: #3b82f6;
  --color-ai: #8b5cf6;
  --color-opensource: #10b981;

  /* 状态颜色 */
  --color-success: #16a34a;
  --color-success-bg: #dcfce7;
  --color-error: #dc2626;
  --color-error-bg: #fee2e2;
  --color-info: #2563eb;
  --color-info-bg: #dbeafe;
  --color-warning: #ea580c;

  /* 间距 Token */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-6: 24px;
  --space-8: 32px;
}

/* ---- CSS 变量：暗色主题 ---- */
[data-theme="dark"] {
  --bg-primary: #0f172a;
  --bg-secondary: #1e293b;
  --bg-tertiary: #334155;
  --bg-card: #1e293b;
  --bg-hover: #334155;
  --text-primary: #e2e8f0;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --border-color: #334155;
  --accent: #60a5fa;
  --accent-hover: #3b82f6;
  --accent-light: #1e3a5f;

  /* 暗色模式状态颜色（提高对比度，WCAG AA 4.5:1+） */
  --color-success: #4ade80;
  --color-success-bg: #14532d;
  --color-error: #f87171;
  --color-error-bg: #7f1d1d;
  --color-info: #60a5fa;
  --color-info-bg: #1e3a5f;
  --color-warning: #fb923c;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4), 0 2px 4px -2px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5), 0 4px 6px -4px rgba(0, 0, 0, 0.4);
}

/* ---- 全局重置 ---- */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

/* ---- 无障碍辅助 ---- */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--accent);
  color: #fff;
  padding: 8px 16px;
  border-radius: 0 0 var(--radius-sm) 0;
  z-index: 200;
  font-size: 0.85rem;
  font-weight: 600;
  transition: top 0.2s;
}
.skip-link:focus {
  top: 0;
  color: #fff;
}

/* 全局焦点可见样式 */
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue",
               Arial, "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  transition: background 0.3s, color 0.3s;
  min-height: 100vh;
}

a {
  color: var(--accent);
  text-decoration: none;
  transition: var(--transition);
}
a:hover { color: var(--accent-hover); }

/* ---- 顶部导航栏 ---- */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
  height: var(--header-height);
  backdrop-filter: blur(10px);
}

.header-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  gap: 20px;
}

.logo {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--text-primary);
  white-space: nowrap;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
}
.logo .logo-icon {
  font-size: 1.6rem;
}
.logo .logo-accent {
  background: linear-gradient(90deg, #06b6d4, #3b82f6, #8b5cf6);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.nav-tabs {
  display: flex;
  gap: 4px;
  flex: 1;
  overflow-x: auto;
  -ms-overflow-style: none;
  scrollbar-width: none;
}
.nav-tabs::-webkit-scrollbar { display: none; }

.nav-tab {
  padding: 8px 18px;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  cursor: pointer;
  border: none;
  background: none;
  white-space: nowrap;
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 6px;
}
.nav-tab:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}
.nav-tab.active {
  background: var(--accent);
  color: #ffffff;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.theme-toggle {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  background: var(--bg-secondary);
  color: var(--text-primary);
  cursor: pointer;
  font-size: 1.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}
.theme-toggle:hover {
  background: var(--bg-hover);
}

.admin-link {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-secondary);
  border: 1px solid var(--border-color);
  background: var(--bg-secondary);
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
}
.admin-link:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}

/* 管理后台返回链接 */
.nav-back-link {
  color: var(--text-secondary);
  text-decoration: none;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 500;
  white-space: nowrap;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
}
.nav-back-link:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}

/* ---- 搜索区域 ---- */
.search-section {
  max-width: 1280px;
  margin: 0 auto;
  padding: 24px 24px 0;
}

.search-bar-wrapper {
  display: flex;
  gap: 12px;
  align-items: center;
}

.search-input-group {
  flex: 1;
  position: relative;
}

.search-input-group .search-icon {
  position: absolute;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 1.1rem;
  color: var(--text-muted);
  pointer-events: none;
}

.search-input {
  width: 100%;
  padding: 12px 16px 12px 44px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  background: var(--bg-card);
  color: var(--text-primary);
  font-size: 0.95rem;
  transition: var(--transition);
  outline: none;
}
.search-input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-light);
}
.search-input::placeholder {
  color: var(--text-muted);
}

.sort-toggle {
  display: flex;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  overflow: hidden;
  background: var(--bg-card);
}

.sort-btn {
  padding: 10px 20px;
  border: none;
  background: none;
  cursor: pointer;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: var(--transition);
  white-space: nowrap;
}
.sort-btn.active {
  background: var(--accent);
  color: #ffffff;
}
.sort-btn:first-child { border-right: 1px solid var(--border-color); }

/* ---- 内容区域 ---- */
.main-content {
  max-width: 1280px;
  margin: 0 auto;
  padding: 24px;
}

/* ---- 热门推荐横幅 ---- */
.hot-section {
  margin-bottom: 32px;
}

.section-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.section-title-bar {
  margin-top: 8px;
}

/* 热门滚动容器 + 导航按钮 */
.hot-scroll-wrapper {
  position: relative;
  display: flex;
  align-items: center;
  gap: 8px;
}

.hot-scroll {
  display: flex;
  gap: 16px;
  overflow-x: auto;
  padding-bottom: 8px;
  -ms-overflow-style: none;
  scrollbar-width: none;
  flex: 1;
  scroll-behavior: smooth;
}
.hot-scroll::-webkit-scrollbar { display: none; }

.hot-scroll-btn {
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid var(--border-color);
  background: var(--bg-card);
  color: var(--text-secondary);
  cursor: pointer;
  font-size: 1.4rem;
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
  z-index: 5;
}
.hot-scroll-btn:hover {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}
.hot-scroll-btn:active {
  transform: scale(0.92);
}

/* 小屏隐藏导航按钮（触控滑动即可），见文件末尾统一断点 */

.hot-card {
  flex: 0 0 300px;
  padding: 20px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  background: var(--bg-card);
  cursor: pointer;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  display: block;
  text-decoration: none;
  color: inherit;
}
.hot-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: var(--accent);
}
.hot-card .hot-badge {
  position: absolute;
  top: 12px;
  right: 12px;
  background: var(--color-error);
  color: white;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: var(--radius-md);
}
.hot-card .hot-platform-badge {
  display: inline-block;
  padding: 2px 10px;
  border-radius: var(--radius-xs);
  font-size: 0.75rem;
  font-weight: 600;
  margin-bottom: 10px;
  color: white;
}
.hot-card .hot-title {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 8px;
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.hot-card .hot-meta {
  font-size: 0.8rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 8px;
}

/* ---- 文章列表 ---- */
.article-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(380px, 1fr));
  gap: 20px;
}

.article-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 24px;
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  gap: 12px;
  position: relative;
}
.article-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: var(--accent);
}

.article-card .card-header {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.platform-badge {
  padding: 3px 12px;
  border-radius: var(--radius-xs);
  font-size: 0.75rem;
  font-weight: 700;
  color: white;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.category-tag {
  padding: 3px 10px;
  border-radius: var(--radius-xs);
  font-size: 0.75rem;
  font-weight: 600;
}

.category-tag.tech {
  background: var(--accent-light);
  color: var(--color-tech);
}
[data-theme="dark"] .category-tag.tech {
  background: #1e3a5f;
  color: #93c5fd;
}

.category-tag.ai {
  background: #f5f3ff;
  color: var(--color-ai);
}
[data-theme="dark"] .category-tag.ai {
  background: #312e81;
  color: #c4b5fd;
}

.category-tag.opensource {
  background: #ecfdf5;
  color: var(--color-opensource);
}
[data-theme="dark"] .category-tag.opensource {
  background: #064e3b;
  color: #86efac;
}

/* 文章标题链接（语义化 <a> 包裹 <h3>） */
.article-title-link {
  text-decoration: none;
  color: inherit;
  display: block;
}
.article-title-link:hover .article-title {
  color: var(--accent);
}

.article-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.5;
  overflow-wrap: anywhere;
  transition: var(--transition);
}

.article-summary {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.6;
  overflow-wrap: anywhere;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  flex: 1;
}

.article-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 0.8rem;
  color: var(--text-muted);
  flex-wrap: wrap;
}

.article-meta .meta-item {
  display: flex;
  align-items: center;
  gap: 4px;
}

.article-actions {
  display: flex;
  gap: 10px;
  margin-top: 4px;
}

.btn-source {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  background: var(--bg-tertiary);
  color: var(--text-secondary);
  font-size: 0.8rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
}
.btn-source:hover {
  background: var(--accent);
  color: white;
  border-color: var(--accent);
}

.btn-external {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  background: transparent;
  color: var(--text-muted);
  font-size: 0.8rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
}

.btn-external:hover {
  color: var(--accent);
  border-color: var(--accent);
}

.btn-view-count {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 6px 10px;
  font-size: 0.78rem;
  color: var(--text-muted);
  background: none;
  border: none;
  cursor: default;
}

/* ---- 加载/空状态/分页 ---- */
.loading-indicator {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 80px 20px;
  color: var(--text-muted);
  gap: 16px;
}

.spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--border-color);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 80px 20px;
  color: var(--text-muted);
  gap: 12px;
}
.empty-state .empty-icon { font-size: 3rem; }
.empty-state .empty-text { font-size: 1rem; font-weight: 500; }

.error-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 80px 20px;
  gap: 16px;
}
.error-state .error-text {
  color: var(--color-error);
  font-weight: 500;
}
.btn-retry {
  padding: 10px 24px;
  border-radius: var(--radius-sm);
  background: var(--accent);
  color: white;
  border: none;
  font-size: 0.9rem;
  cursor: pointer;
  transition: var(--transition);
}
.btn-retry:hover { background: var(--accent-hover); }

.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 8px;
  margin-top: 32px;
  flex-wrap: wrap;
}

.page-btn {
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  background: var(--bg-card);
  color: var(--text-secondary);
  font-size: 0.85rem;
  cursor: pointer;
  transition: var(--transition);
}
.page-btn:hover:not(:disabled) {
  background: var(--bg-hover);
  color: var(--text-primary);
}
.page-btn.active {
  background: var(--accent);
  color: white;
  border-color: var(--accent);
}
.page-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.page-ellipsis {
  color: var(--text-muted);
  padding: 0 4px;
  font-size: 0.85rem;
}

.empty-state .empty-hint {
  color: var(--text-muted);
  font-size: 0.85rem;
}

/* ---- 页脚 ---- */
.footer {
  max-width: 1280px;
  margin: 0 auto;
  padding: 24px;
  text-align: center;
  border-top: 1px solid var(--border-color);
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-top: 40px;
}

/* ---- 静态说明页（关于 / 版权 / 隐私） ---- */
.static-page {
  max-width: 760px;
  margin: 0 auto;
  padding: 32px 20px 48px;
  color: var(--text-secondary);
}
.static-page h1 {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--text-primary);
  margin: 0 0 8px;
}
.static-page .static-date {
  color: var(--text-muted);
  font-size: 0.82rem;
  margin-bottom: 24px;
}
.static-page h2 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 28px 0 10px;
}
.static-page p,
.static-page li {
  font-size: 0.92rem;
  line-height: 1.8;
  margin: 8px 0;
}
.static-page ul {
  padding-left: 20px;
}
.static-page a {
  color: var(--accent);
}

/* ---- 3D 地球 ---- */
.globe-section {
  text-align: center;
  margin-bottom: 32px;
}
.globe-container {
  width: 100%;
  max-width: 340px;
  margin: 0 auto;
}
.globe-container canvas {
  display: block;
  width: 100%;
  height: auto;
  cursor: grab;
}
.globe-container canvas:active {
  cursor: grabbing;
}
.globe-hint {
  margin-top: 8px;
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ---- 管理后台样式 ---- */
.admin-wrapper {
  max-width: 1280px;
  margin: 0 auto;
  padding: 24px;
}

.admin-header {
  margin-bottom: 28px;
}

.admin-header h1 {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--text-primary);
}

.admin-header .breadcrumb {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 6px;
}
.breadcrumb a { color: var(--accent); }

/* 统计卡片 */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  margin-bottom: 28px;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 20px 24px;
  box-shadow: var(--shadow-sm);
}
.stat-card .stat-label {
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-bottom: 6px;
}
.stat-card .stat-value {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--text-primary);
}
.stat-card .stat-sub {
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-top: 4px;
}

.stat-card.accent {
  border-left: 4px solid var(--accent);
}

/* 图表区域 */
.charts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: 20px;
  margin-bottom: 28px;
}

.chart-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 24px;
  box-shadow: var(--shadow-sm);
}

.chart-card .chart-title {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 20px;
}

.bar-chart {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.bar-row {
  display: flex;
  align-items: center;
  gap: 12px;
}

.bar-label {
  width: 80px;
  font-size: 0.82rem;
  color: var(--text-secondary);
  text-align: right;
  flex-shrink: 0;
}

.bar-track {
  flex: 1;
  height: 24px;
  background: var(--bg-tertiary);
  border-radius: var(--radius-xs);
  overflow: hidden;
}

.bar-fill {
  height: 100%;
  border-radius: var(--radius-xs);
  transition: width 0.5s ease;
  min-width: 4px;
}

.bar-value {
  width: 36px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-secondary);
  flex-shrink: 0;
}

.bar-fill.tech { background: var(--color-tech); }
.bar-fill.ai { background: var(--color-ai); }
.bar-fill.opensource { background: var(--color-opensource); }
.bar-fill.youtube { background: var(--color-youtube); }
.bar-fill.tiktok { background: var(--color-tiktok); }
.bar-fill.github { background: var(--color-github); }
.bar-fill.blog { background: var(--color-blog); }

/* 控制区 */
.control-section {
  display: flex;
  gap: 12px;
  margin-bottom: 28px;
  flex-wrap: wrap;
  align-items: center;
}

.btn-trigger-crawl {
  padding: 12px 24px;
  border-radius: var(--radius-sm);
  background: var(--accent);
  color: white;
  border: none;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.btn-trigger-crawl:hover { background: var(--accent-hover); }
.btn-trigger-crawl:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.crawl-status {
  font-size: 0.85rem;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
}

.crawl-status.success {
  background: var(--color-success-bg);
  color: var(--color-success);
}
.crawl-status.running {
  background: var(--color-info-bg);
  color: var(--color-info);
}
.crawl-status.failed {
  background: var(--color-error-bg);
  color: var(--color-error);
}

[data-theme="dark"] .crawl-status.success {
  background: var(--color-success-bg);
  color: var(--color-success);
}
[data-theme="dark"] .crawl-status.running {
  background: var(--color-info-bg);
  color: var(--color-info);
}
[data-theme="dark"] .crawl-status.failed {
  background: var(--color-error-bg);
  color: var(--color-error);
}

/* 日志表格 */
.log-table-wrapper {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow-x: auto;
  box-shadow: var(--shadow-sm);
}

.log-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
}

.log-table th {
  text-align: left;
  padding: 12px 16px;
  background: var(--bg-tertiary);
  color: var(--text-secondary);
  font-weight: 600;
  border-bottom: 2px solid var(--border-color);
  white-space: nowrap;
}

.log-table td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border-color);
  color: var(--text-primary);
}

.log-table tr:last-child td { border-bottom: none; }
.log-table tr:hover td { background: var(--bg-hover); }

.status-badge {
  padding: 3px 10px;
  border-radius: var(--radius-md);
  font-size: 0.75rem;
  font-weight: 600;
}

.status-badge.success {
  background: var(--color-success-bg);
  color: var(--color-success);
}
.status-badge.failed {
  background: var(--color-error-bg);
  color: var(--color-error);
}
.status-badge.running {
  background: var(--color-info-bg);
  color: var(--color-info);
}

[data-theme="dark"] .status-badge.success {
  background: var(--color-success-bg);
  color: var(--color-success);
}
[data-theme="dark"] .status-badge.failed {
  background: var(--color-error-bg);
  color: var(--color-error);
}
[data-theme="dark"] .status-badge.running {
  background: var(--color-info-bg);
  color: var(--color-info);
}

/* ---- Toast 提示 ---- */
.toast {
  position: fixed;
  top: 80px;
  right: 24px;
  z-index: 1000;
  padding: 14px 24px;
  border-radius: var(--radius-md);
  color: white;
  font-size: 0.9rem;
  font-weight: 500;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  transform: translateX(100%);
  transition: all 0.3s ease;
  pointer-events: none;
  max-width: 380px;
}
.toast.show {
  opacity: 1;
  transform: translateX(0);
}
.toast.success { background: var(--color-success); }
.toast.error { background: var(--color-error); }
.toast.info { background: var(--color-info); }

/* ---- 爬虫停摆告警条 ---- */
.crawler-alert {
  display: none;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 16px;
  background: var(--color-error-bg);
  color: var(--color-error);
  border-bottom: 1px solid var(--color-error);
  font-size: 0.9rem;
  font-weight: 500;
  text-align: center;
}
.crawler-alert strong {
  color: var(--color-error);
}

/* ---- 移动端编辑提示（仅移动端显示） ---- */
.mobile-edit-notice { display: none; }

/* ---- 响应式设计 ---- */
/* 所有断点规则已集中到文件末尾统一管理 */

/* ============================================================
   博客页面样式
   ============================================================ */

/* ---- 博客列表页 ---- */
.blog-page {
  max-width: 800px;
  margin: 0 auto;
  padding: 24px;
}

.blog-page-header {
  margin-bottom: 32px;
}

.blog-page-header h1 {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.blog-page-header .blog-subtitle {
  font-size: 0.95rem;
  color: var(--text-muted);
}

.blog-category-filter {
  display: flex;
  gap: 8px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}

.blog-category-btn {
  padding: 6px 16px;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-color);
  background: var(--bg-card);
  color: var(--text-secondary);
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
}

.blog-category-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.blog-category-btn.active {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

.blog-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.blog-post-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 24px;
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
  cursor: pointer;
  display: block;
  text-decoration: none;
  color: inherit;
}

.blog-post-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: var(--accent);
}

.blog-post-card .post-category {
  display: inline-block;
  padding: 2px 10px;
  border-radius: var(--radius-xs);
  font-size: 0.72rem;
  font-weight: 600;
  margin-bottom: 10px;
}

.blog-post-card .post-title {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 8px;
  line-height: 1.4;
}

.blog-post-card .post-excerpt {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 12px;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.blog-post-card .post-meta {
  font-size: 0.8rem;
  color: var(--text-muted);
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.blog-post-card .post-meta .meta-author {
  font-weight: 500;
  color: var(--text-secondary);
}

/* ---- 博客详情页 ---- */
.blog-detail {
  max-width: 760px;
  margin: 0 auto;
  padding: 24px;
}

.blog-detail-back {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-bottom: 24px;
  transition: var(--transition);
}

.blog-detail-back:hover {
  color: var(--accent);
}

.blog-detail-header {
  margin-bottom: 32px;
}

.blog-detail-header h1 {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1.4;
  margin-bottom: 16px;
}

.blog-detail-meta {
  font-size: 0.85rem;
  color: var(--text-muted);
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.blog-detail-content {
  font-size: 1rem;
  line-height: 1.8;
  color: var(--text-primary);
}

.blog-detail-content h2 {
  font-size: 1.4rem;
  font-weight: 700;
  margin: 28px 0 16px;
  color: var(--text-primary);
}

.blog-detail-content h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin: 24px 0 12px;
  color: var(--text-primary);
}

.blog-detail-content p {
  margin-bottom: 16px;
}

.blog-detail-content a {
  color: var(--accent);
  text-decoration: underline;
}

.blog-detail-content code {
  background: var(--bg-tertiary);
  padding: 2px 6px;
  border-radius: var(--radius-xs);
  font-size: 0.88rem;
  font-family: "SF Mono", "Fira Code", "Fira Mono", "Roboto Mono", monospace;
}

.blog-detail-content pre {
  background: var(--bg-tertiary);
  padding: 16px 20px;
  border-radius: var(--radius-sm);
  overflow-x: auto;
  margin: 16px 0;
  border: 1px solid var(--border-color);
}

.blog-detail-content pre code {
  background: none;
  padding: 0;
  font-size: 0.85rem;
}

.blog-detail-content ul,
.blog-detail-content ol {
  margin: 12px 0 16px 24px;
}

.blog-detail-content li {
  margin-bottom: 6px;
}

.blog-detail-content blockquote {
  border-left: 4px solid var(--accent);
  padding: 8px 16px;
  margin: 16px 0;
  background: var(--bg-tertiary);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  color: var(--text-secondary);
}

/* ---- 博客管理页面 ---- */
.blog-admin-layout {
  max-width: 1280px;
  margin: 0 auto;
  padding: 24px;
  display: grid;
  grid-template-columns: 360px 1fr;
  gap: 24px;
  align-items: start;
}

.blog-admin-list {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  max-height: calc(100vh - 120px);
  overflow-y: auto;
}

.blog-admin-list-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

  .blog-admin-list-header h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  }

.btn-create-post {
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  background: var(--accent);
  color: #fff;
  border: none;
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}

.btn-create-post:hover {
  background: var(--accent-hover);
}

.post-list-item {
  padding: 14px 20px;
  border-bottom: 1px solid var(--border-color);
  cursor: pointer;
  transition: var(--transition);
}

.post-list-item:hover {
  background: var(--bg-hover);
}

.post-list-item.active {
  background: var(--accent-light);
  border-left: 3px solid var(--accent);
}

.post-list-item .pli-title {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 4px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.post-list-item .pli-meta {
  font-size: 0.8rem;
  color: var(--text-muted);
  display: flex;
  gap: 8px;
  align-items: center;
}

.post-status-badge {
  padding: 2px 8px;
  border-radius: var(--radius-md);
  font-size: 0.75rem;
  font-weight: 600;
}

.post-status-badge.published {
  background: var(--color-success-bg);
  color: var(--color-success);
}

.post-status-badge.draft {
  background: var(--bg-tertiary);
  color: var(--text-muted);
}

[data-theme="dark"] .post-status-badge.published {
  background: var(--color-success-bg);
  color: var(--color-success);
}

[data-theme="dark"] .post-status-badge.draft {
  background: var(--bg-tertiary);
  color: var(--text-muted);
}

/* 博客编辑器 */
.blog-admin-editor {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  padding: 24px;
}

.editor-empty {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-muted);
}

.editor-empty .empty-icon {
  font-size: 3rem;
  margin-bottom: 12px;
}

.editor-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.form-input,
.form-select {
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  background: var(--bg-primary);
  color: var(--text-primary);
  font-size: 0.9rem;
  transition: var(--transition);
  outline: none;
  font-family: inherit;
}

.form-input:focus,
.form-select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-light);
}

.form-textarea {
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  background: var(--bg-primary);
  color: var(--text-primary);
  font-size: 0.88rem;
  font-family: "SF Mono", "Fira Code", "Fira Mono", "Roboto Mono", monospace;
  line-height: 1.6;
  min-height: 240px;
  resize: vertical;
  transition: var(--transition);
  outline: none;
}

.form-textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-light);
}

.editor-toolbar {
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
  padding: 8px;
  background: var(--bg-tertiary);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
}

.toolbar-btn {
  padding: 6px 12px;
  border-radius: var(--radius-xs);
  border: 1px solid transparent;
  background: var(--bg-card);
  color: var(--text-secondary);
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  min-width: 36px;
}

.toolbar-btn:hover {
  background: var(--accent);
  color: #fff;
}

.editor-actions {
  display: flex;
  gap: 10px;
  margin-top: 8px;
  flex-wrap: wrap;
}

.btn-publish,
.btn-save-draft {
  padding: 10px 24px;
  border-radius: var(--radius-sm);
  border: none;
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}

.btn-publish {
  background: var(--color-success);
  color: #fff;
}

.btn-publish:hover {
  background: var(--color-opensource);
}

.btn-save-draft {
  background: var(--bg-tertiary);
  color: var(--text-secondary);
  border: 1px solid var(--border-color);
}

.btn-save-draft:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}

.btn-delete {
  padding: 10px 20px;
  border-radius: var(--radius-sm);
  background: var(--color-error);
  color: #fff;
  border: none;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  margin-left: auto;
}

.btn-delete:hover {
  background: #b91c1c;
}

.post-preview {
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 16px 20px;
  background: var(--bg-primary);
  min-height: 120px;
  max-height: 300px;
  overflow-y: auto;
}

.post-preview-label {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.post-preview-content {
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--text-primary);
}

.post-preview-content h2 {
  font-size: 1.2rem;
  font-weight: 700;
  margin: 16px 0 8px;
}

.post-preview-content h3 {
  font-size: 1rem;
  font-weight: 700;
  margin: 12px 0 6px;
}

.post-preview-content code {
  background: var(--bg-tertiary);
  padding: 2px 6px;
  border-radius: var(--radius-xs);
  font-size: 0.85rem;
}

.post-preview-content pre {
  background: var(--bg-tertiary);
  padding: 12px 16px;
  border-radius: var(--radius-xs);
  overflow-x: auto;
  margin: 8px 0;
}

.post-preview-content ul,
.post-preview-content ol {
  margin: 8px 0 8px 20px;
}

/* 博客管理响应式 — 见文件末尾统一断点 */

/* ============================================================
   Focus-Visible 键盘可访问性补全
   全局 :focus-visible 已在文件头部定义（line 127）
   以下为设了 outline:none 的表单元素追加键盘焦点样式
   ============================================================ */
.search-input:focus-visible,
.form-input:focus-visible,
.form-select:focus-visible,
.form-textarea:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-light);
}

/* 热门卡片 / 博客卡片链接的键盘焦点 */
.hot-card:focus-visible,
.blog-post-card:focus-visible,
.article-title-link:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-color: var(--accent);
}

/* 列表项键盘焦点 */
.post-list-item:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: -2px;
}

/* ============================================================
   统一响应式断点管理
   断点：1024px（平板横屏）| 900px（博客管理）| 768px（平板竖屏）| 480px（手机）
   ============================================================ */

/* ---- 平板横屏 ≤ 1024px ---- */
@media (max-width: 1024px) {
  /* 文章网格 */
  .article-grid {
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: var(--space-4);
  }
  /* 导航栏 */
  .header-inner {
    max-width: 100%;
  }
  /* 管理后台图表 */
  .charts-grid {
    grid-template-columns: 1fr;
  }
}

/* ---- 博客管理布局 ≤ 900px ---- */
@media (max-width: 900px) {
  .blog-admin-layout {
    grid-template-columns: 1fr;
  }
  .blog-admin-list {
    max-height: 300px;
  }
}

/* ---- 平板竖屏 / 手机 ≤ 768px ---- */
@media (max-width: 768px) {
  /* 导航栏 */
  .header-inner {
    padding: 0 16px;
    gap: 12px;
  }
  .logo { font-size: 1.2rem; }
  .nav-tab { padding: 6px 12px; font-size: 0.8rem; }

  /* 搜索区 & 主内容区 */
  .search-section { padding: 16px 16px 0; }
  .main-content { padding: 16px; }

  /* 文章列表单列 */
  .article-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  /* 热门推荐：触控滑动 */
  .hot-scroll-btn { display: none; }
  .hot-card { flex: 0 0 260px; scroll-snap-align: start; }
  .hot-scroll { scroll-snap-type: x mandatory; }

  /* 管理后台 */
  .charts-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .admin-wrapper { padding: 16px; }

  /* 博客编辑器移动端适配 */
  .blog-admin-editor .editor-toolbar { flex-wrap: wrap; gap: 4px; }
  .blog-admin-editor textarea { font-size: 14px; }
  .mobile-edit-notice {
    display: block !important;
    padding: 16px;
    text-align: center;
    color: var(--text-muted);
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    margin-bottom: 12px;
    font-size: 0.85rem;
  }

  /* 博客页面 */
  .blog-page,
  .blog-detail {
    padding: 16px;
  }
  .blog-page-header h1,
  .blog-detail-header h1 {
    font-size: 1.4rem;
  }
  .blog-post-card .post-title {
    font-size: 1.05rem;
  }

  /* 编辑器工具栏横向滚动 */
  .editor-toolbar {
    overflow-x: auto;
    flex-wrap: nowrap;
  }
}

/* ---- 手机 ≤ 480px ---- */
@media (max-width: 480px) {
  /* 导航栏紧凑化 */
  .header-inner { gap: 8px; }
  .admin-link { display: none; }
  .nav-tab { padding: 8px 12px; font-size: 0.75rem; min-height: 44px; }
  .nav-tabs {
    overflow-x: auto;
    white-space: nowrap;
    -webkit-overflow-scrolling: touch;
  }
  .nav-tabs::-webkit-scrollbar { display: none; }

  /* 搜索栏纵向排列 */
  .search-bar-wrapper {
    flex-direction: column;
  }
  .sort-toggle { width: 100%; }
  .sort-btn { flex: 1; text-align: center; min-height: 44px; }

  /* 统计卡片单列 */
  .stats-grid { grid-template-columns: 1fr; }
  .stat-card .stat-value { font-size: 1.5rem; }

  /* 文章卡片紧凑化 */
  .article-card { padding: 16px; }

  /* 分页按钮增大触摸区 */
  .page-btn { min-height: 44px; min-width: 44px; }
}

/* ============================================================
   文章详情页样式
   ============================================================ */

.article-detail-container {
  max-width: 800px;
  margin: 0 auto;
  padding: 24px 20px 40px;
}

.article-detail {
  background: var(--color-card-bg, #fff);
  border: 1px solid var(--color-border, #e2e8f0);
  border-radius: var(--radius-lg, 16px);
  padding: 32px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.06);
}

[data-theme="dark"] .article-detail {
  background: var(--color-card-bg, #1e293b);
  border-color: var(--color-border, #334155);
}

.detail-header {
  margin-bottom: 24px;
}

.detail-badges {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 16px;
}

.detail-title {
  font-size: 1.625rem;
  font-weight: 700;
  line-height: 1.4;
  color: var(--color-text, #0f172a);
  margin: 0 0 12px 0;
}

[data-theme="dark"] .detail-title {
  color: var(--color-text, #f1f5f9);
}

.detail-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 0.875rem;
  color: var(--color-text-muted, #64748b);
}

[data-theme="dark"] .detail-meta {
  color: var(--color-text-muted, #94a3b8);
}

.detail-summary {
  padding: 20px 0;
  border-top: 1px solid var(--color-border, #e2e8f0);
  border-bottom: 1px solid var(--color-border, #e2e8f0);
  margin-bottom: 24px;
}

[data-theme="dark"] .detail-summary {
  border-color: var(--color-border, #334155);
}

.detail-summary p {
  font-size: 1rem;
  line-height: 1.8;
  color: var(--color-text, #334155);
  margin: 0 0 8px 0;
}

[data-theme="dark"] .detail-summary p {
  color: var(--color-text, #cbd5e1);
}

.detail-summary p:last-child {
  margin-bottom: 0;
}

.detail-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
}

.btn-external {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 20px;
  border-radius: var(--radius-md, 10px);
  font-size: 0.875rem;
  font-weight: 600;
  text-decoration: none;
  border: 1px solid var(--color-border, #e2e8f0);
  background: var(--color-card-bg, #fff);
  color: var(--color-text, #334155);
  transition: all 0.2s ease;
  cursor: pointer;
}

[data-theme="dark"] .btn-external {
  background: var(--color-card-bg, #1e293b);
  border-color: var(--color-border, #334155);
  color: var(--color-text, #cbd5e1);
}

.btn-external:hover {
  border-color: #3b82f6;
  color: #3b82f6;
}

.btn-external.btn-large {
  padding: 12px 24px;
  font-size: 0.95rem;
}

.btn-share {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 20px;
  border-radius: var(--radius-md, 10px);
  font-size: 0.875rem;
  font-weight: 600;
  border: 1px solid var(--color-border, #e2e8f0);
  background: transparent;
  color: var(--color-text-muted, #64748b);
  cursor: pointer;
  transition: all 0.2s ease;
}

[data-theme="dark"] .btn-share {
  border-color: var(--color-border, #334155);
  color: var(--color-text-muted, #94a3b8);
}

.btn-share:hover {
  border-color: #3b82f6;
  color: #3b82f6;
}

.detail-keywords {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.keyword-tag {
  display: inline-block;
  padding: 4px 10px;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--color-text-muted, #64748b);
  background: var(--color-bg-muted, #f1f5f9);
  border-radius: var(--radius-full, 9999px);
}

[data-theme="dark"] .keyword-tag {
  color: var(--color-text-muted, #94a3b8);
  background: var(--color-bg-muted, #334155);
}

/* 相关推荐 */
.related-section {
  margin-top: 40px;
}

.related-section .section-title {
  margin-bottom: 20px;
}

.related-section .article-grid {
  grid-template-columns: 1fr;
}

@media (min-width: 640px) {
  .related-section .article-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* 详情页响应式 */
@media (max-width: 640px) {
  .article-detail {
    padding: 20px;
  }
  .detail-title {
    font-size: 1.25rem;
  }
  .detail-actions {
    flex-direction: column;
    align-items: stretch;
  }
  .btn-external, .btn-share {
    justify-content: center;
  }
}

/* ============================================================
   用户系统样式
   ============================================================ */

/* 登录按钮 */
.login-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: var(--radius-sm, 8px);
  border: 1px solid var(--accent, #3b82f6);
  background: var(--accent, #3b82f6);
  color: #fff;
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition, all 0.2s ease);
}

.login-btn:hover {
  opacity: 0.9;
}

/* 用户菜单 */
.user-menu {
  position: relative;
}

.user-menu-trigger {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: var(--radius-sm, 8px);
  border: 1px solid var(--border-color, #e2e8f0);
  background: var(--bg-tertiary, #f8fafc);
  color: var(--text-secondary, #64748b);
  cursor: pointer;
  transition: var(--transition, all 0.2s ease);
  font-size: 0.8rem;
}

.user-menu-trigger:hover {
  border-color: var(--accent, #3b82f6);
}

.user-avatar {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--accent, #3b82f6);
  color: #fff;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
}

.user-name {
  max-width: 80px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.user-dropdown {
  position: absolute;
  top: calc(100% + 4px);
  right: 0;
  min-width: 160px;
  background: var(--bg-card, #fff);
  border: 1px solid var(--border-color, #e2e8f0);
  border-radius: var(--radius-md, 10px);
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
  padding: 4px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-4px);
  transition: all 0.2s ease;
  z-index: 100;
}

.user-menu:hover .user-dropdown,
.user-menu-trigger[aria-expanded="true"] + .user-dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.user-dropdown-item {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  padding: 8px 12px;
  border-radius: var(--radius-xs, 6px);
  border: none;
  background: transparent;
  color: var(--text-secondary, #64748b);
  font-size: 0.8rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition, all 0.15s ease);
  text-decoration: none;
}

.user-dropdown-item:hover {
  background: var(--bg-tertiary, #f1f5f9);
  color: var(--accent, #3b82f6);
}

/* 收藏按钮 */
.fav-btn {
  margin-left: auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: var(--radius-xs, 6px);
  border: none;
  background: transparent;
  color: var(--text-muted, #94a3b8);
  cursor: pointer;
  transition: var(--transition, all 0.2s ease);
  padding: 0;
}

.fav-btn:hover {
  color: #ef4444;
  background: rgba(239, 68, 68, 0.08);
}

.fav-btn.active {
  color: #ef4444;
}

.fav-btn.active svg {
  fill: #ef4444;
}

.fav-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* 详情页收藏按钮 */
.fav-detail-btn.active {
  border-color: #ef4444;
  color: #ef4444;
}

.fav-detail-btn.active svg {
  fill: #ef4444;
  stroke: #ef4444;
}

.fav-detail-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* 空状态（收藏页） */
.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--color-text-muted, #64748b);
}

.empty-state .empty-icon {
  margin-bottom: 16px;
  opacity: 0.5;
}

.empty-state .empty-text {
  font-size: 16px;
  margin-bottom: 20px;
}

/* 认证弹窗 */
.auth-modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  opacity: 0;
  visibility: hidden;
  transition: all 0.2s ease;
}

.auth-modal-overlay.show {
  opacity: 1;
  visibility: visible;
}

.auth-modal {
  position: relative;
  width: 90%;
  max-width: 400px;
  background: var(--bg-card, #fff);
  border-radius: var(--radius-lg, 16px);
  padding: 32px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.15);
  transform: scale(0.95);
  transition: transform 0.2s ease;
}

.auth-modal-overlay.show .auth-modal {
  transform: scale(1);
}

[data-theme="dark"] .auth-modal {
  background: var(--bg-card, #1e293b);
}

.auth-modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 32px;
  height: 32px;
  border-radius: var(--radius-xs, 6px);
  border: none;
  background: transparent;
  color: var(--text-muted, #94a3b8);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition, all 0.15s ease);
}

.auth-modal-close:hover {
  background: var(--bg-tertiary, #f1f5f9);
  color: var(--text-primary, #0f172a);
}

.auth-tabs {
  display: flex;
  gap: 4px;
  margin-bottom: 24px;
  background: var(--bg-tertiary, #f1f5f9);
  border-radius: var(--radius-sm, 8px);
  padding: 4px;
}

.auth-tab {
  flex: 1;
  padding: 8px;
  border: none;
  border-radius: var(--radius-xs, 6px);
  background: transparent;
  color: var(--text-muted, #64748b);
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition, all 0.15s ease);
}

.auth-tab.active {
  background: var(--bg-card, #fff);
  color: var(--accent, #3b82f6);
  box-shadow: 0 1px 3px rgba(0,0,0,0.08);
}

[data-theme="dark"] .auth-tab.active {
  background: var(--bg-card, #334155);
}

.auth-field {
  margin-bottom: 16px;
}

.auth-field label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-secondary, #64748b);
  margin-bottom: 6px;
}

.auth-field input {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--border-color, #e2e8f0);
  border-radius: var(--radius-sm, 8px);
  background: var(--bg-input, #fff);
  color: var(--text-primary, #0f172a);
  font-size: 0.875rem;
  transition: var(--transition, all 0.15s ease);
  box-sizing: border-box;
}

.auth-field input:focus {
  outline: none;
  border-color: var(--accent, #3b82f6);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.12);
}

[data-theme="dark"] .auth-field input {
  background: var(--bg-input, #0f172a);
  border-color: var(--border-color, #334155);
  color: var(--text-primary, #f1f5f9);
}

.auth-submit {
  width: 100%;
  padding: 12px;
  border: none;
  border-radius: var(--radius-sm, 8px);
  background: var(--accent, #3b82f6);
  color: #fff;
  font-size: 0.9rem;
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition, all 0.15s ease);
  margin-top: 8px;
}

.auth-submit:hover {
  opacity: 0.9;
}

.auth-submit:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.auth-error {
  margin-top: 12px;
  padding: 8px 12px;
  border-radius: var(--radius-xs, 6px);
  background: rgba(239, 68, 68, 0.1);
  color: #ef4444;
  font-size: 0.8rem;
  text-align: center;
  min-height: 0;
  transition: min-height 0.15s ease;
}

.auth-error:not(:empty) {
  min-height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* 手机端适配 */
@media (max-width: 480px) {
  .login-btn span,
  .user-name {
    display: none;
  }
  .login-btn {
    padding: 8px 10px;
  }
  .auth-modal {
    padding: 24px 20px;
  }
}