.chips-row {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  margin-bottom: 20px;
  padding: 12px 0;
  border-bottom: 1px solid #f1f5f9;
}

.chips-row .chips {
  display: flex;
  flex-wrap: nowrap;
  overflow-x: auto;
  scrollbar-width: none;
  gap: 8px;
  padding: 0 4px;
  min-width: 0;
  position: relative;
}

.chips-row .chips::after {
  content: '';
  position: sticky;
  right: 0;
  width: 20px;
  height: 100%;
  background: linear-gradient(to right, transparent, rgba(255,255,255,0.8));
  pointer-events: none;
  flex-shrink: 0;
}

.chips-row .chips::-webkit-scrollbar {
  display: none;
}

.chips-row .chips:first-child {
  position: relative;
}

.chips-row .chips:first-child::after {
  content: '';
  position: absolute;
  right: -6px;
  top: 50%;
  transform: translateY(-50%);
  width: 1px;
  height: 24px;
  background: #e2e8f0;
}

/* 优化chip样式 */
.chip {
  padding: 6px 16px;
  border: 1px solid #e2e8f0;
  background: #ffffff;
  color: #64748b;
  border-radius: 20px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
  white-space: nowrap;
  flex-shrink: 0;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
}

.chip:hover {
  border-color: #3b82f6;
  color: #3b82f6;
  background: #f8fafc;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(59, 130, 246, 0.15);
}

.chip.active,
.chip.chip-active {
  background: #3b82f6;
  border-color: #3b82f6;
  color: #ffffff;
  box-shadow: 0 4px 12px rgba(59, 130, 246, 0.25);
}

.chip.active:hover,
.chip.chip-active:hover {
  background: #2563eb;
  border-color: #2563eb;
  transform: translateY(-1px);
}
/**
 * 主样式文件
 * 包含所有页面的基础样式
 */

/* 重置样式 */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

/* 基础样式 */
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
  background: #fff;
  color: #09090b;
  min-height: 100vh;
  padding: 20px;
  position: relative;
}

/* 全局禁选：避免影响输入/选择类控件 */
body, body * {
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
}

/* 允许表单控件选择文本与光标操作 */
input, textarea, select, button, .btn, .chip {
  -webkit-user-select: auto;
  -moz-user-select: auto;
  -ms-user-select: auto;
  user-select: auto;
}

/* 背景画布 */
#bg-canvas {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
}

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

/* 头部 */
.header {
  text-align: center;
  margin-bottom: 30px;
  padding-top: 20px;
}

.header h1 {
  font-size: 2.5rem;
  font-weight: 600;
  margin-bottom: 10px;
}

.header .subtitle {
  font-size: 1.1rem;
  color: #71717a;
  margin-bottom: 20px;
}

/* 主题切换按钮 */
.theme-toggle {
  position: fixed;
  top: 20px;
  right: 20px;
  background: #fff;
  border: 1px solid #e4e4e7;
  border-radius: 50%;
  width: 50px;
  height: 50px;
  font-size: 1.5rem;
  cursor: pointer;
  box-shadow: 0 1px 3px rgba(0, 0, 0, .1);
  transition: all .2s;
  z-index: 1000;
}

.theme-toggle:hover {
  box-shadow: 0 4px 12px rgba(0, 0, 0, .15);
}

/* 搜索容器 */
.search-container {
  max-width: 588px;
  margin: 0 auto 40px;
}

.search-wrapper {
  display: flex;
  align-items: center;
  gap: 12px;
  background: #fff;
  border: 1px solid #e4e4e7;
  border-radius: 40px;
  padding: 6px;
  transition: all .3s;
}

.search-wrapper:focus-within {
  border-color: #3b82f6;
  box-shadow: 0 0 0 3px rgba(59, 130, 246, .2);
}

#search-input {
  flex: 1;
  padding: 6px 14px;
  border: none;
  background: transparent;
  color: #09090b;
  font-size: .9rem;
  outline: none;
}

#search-input::placeholder {
  color: #71717a;
}

.search-engines {
  display: flex;
  align-items: center;
  gap: 6px;
  padding-right: 2px;
}

.search-engine-btn {
  width: 32px;
  height: 32px;
  border: none;
  border-radius: 50%;
  background: #f8fafc;
  color: #64748b;
  cursor: pointer;
  transition: all .2s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  position: relative;
}

.search-engine-btn img {
  width: 16px;
  height: 16px;
  object-fit: contain;
}

.search-engine-btn:hover {
  background: #e2e8f0;
  transform: scale(1.05);
}

.search-engine-btn.active {
  background: #3b82f6;
  color: #fff;
  box-shadow: 0 2px 8px rgba(59, 130, 246, 0.3);
}

.search-engine-btn.active:hover {
  background: #2563eb;
}

/* 暗色主题搜索样式 */
.dark-theme .search-wrapper {
  background: #18181b;
  border-color: #27272a;
}

.dark-theme .search-wrapper:focus-within {
  border-color: #3b82f6;
  box-shadow: 0 0 0 3px rgba(59, 130, 246, .2);
}

.dark-theme #search-input {
  color: #fafafa;
}

.dark-theme #search-input::placeholder {
  color: #a1a1aa;
}

.dark-theme .search-engine-btn {
  background: #27272a;
  color: #a1a1aa;
}

.dark-theme .search-engine-btn:hover {
  background: #3f3f46;
}

.dark-theme .search-engine-btn.active {
  background: #3b82f6;
  color: #fff;
}

/* 统计栏 */
.stats-bar {
  display: flex;
  justify-content: center;
  gap: 30px;
  margin-bottom: 30px;
  font-size: .9rem;
  color: #71717a;
}

.stat-item {
  display: flex;
  align-items: center;
  gap: 5px;
}

/* 分组 */
.section {
  margin-bottom: 40px;
}

.section-title {
  font-size: 1.4rem;
  font-weight: 600;
  border-left: 3px solid #3b82f6;
  padding-left: 15px;
  margin-bottom: 25px;
  display: flex;
  align-items: center;
  gap: 10px;
  position: relative;
}

.section-title .section-icon {
  width: 24px;
  height: 24px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.section-title .section-icon img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}

/* 层级导航条：中间显示父文件夹名，右侧返回上一级按钮 */
.level-center {
  position: absolute;
  left: 0;
  right: 120px; /* 预留给返回按钮 */
  text-align: center;
  color: #64748b;
  font-size: 14px;
}

.btn-back {
  margin-left: auto;
}

/* 面包屑 */
.breadcrumb {
  margin-bottom: 12px;
  color: #6b7280;
  font-size: .9rem;
}

.breadcrumb a {
  color: inherit;
  text-decoration: none;
}

.breadcrumb a:hover {
  text-decoration: underline;
}

.breadcrumb-sep {
  margin: 0 6px;
}

/* 子分类 */
.subcategory {
  margin-top: 16px;
}

.subcategory-title {
  font-size: 1.05rem;
  font-weight: 600;
  color: #374151;
  margin: 8px 0 12px;
  padding-left: 10px;
  border-left: 2px solid #e5e7eb;
}

.dark-theme .subcategory-title {
  color: #e5e7eb;
  border-left-color: #333;
}

/* 子分类chips样式已整合到上方 */

.dark-theme .chip {
  background: #18181b;
  border-color: #27272a;
  color: #d1d5db;
}

.dark-theme .chip-active {
  background: #0b1739;
  border-color: #1d4ed8;
  color: #93c5fd;
}

/* 卡片网格 */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
}

/* 卡片 */
.card {
  background: linear-gradient(135deg, #fff 0%, #f8fafc 100%);
  border: 1px solid #e4e4e7;
  border-radius: 12px;
  padding: 14px;
  transition: all .3s ease;
  text-decoration: none;
  color: inherit;
  display: block;
  position: relative;
  cursor: pointer;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, #667eea 0%, #764ba2 100%);
  opacity: 0;
  transition: opacity .3s ease;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 28px rgba(0, 0, 0, .15);
  border-color: #3b82f6;
}

.card:hover::before {
  opacity: 1;
}

.card-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 6px;
}

.card-icon {
  font-size: 1.5rem;
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #f8fafc;
  border-radius: 8px;
}

.card-icon img {
  width: 70%;
  height: 70%;
  object-fit: contain;
  display: block;
}

.card-title {
  font-size: 1.1rem;
  font-weight: 600;
  flex: 1;
}

.card-description {
  font-size: .9rem;
  color: #71717a;
  line-height: 1.4;
  margin-bottom: 6px;
  /* 多行截断，统一卡片高度 */
  display: -webkit-box;
  line-clamp: 2;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card-tags {
  display: none;
}

.tag {
  background: #f1f5f9;
  color: #475569;
  padding: 2px 6px;
  border-radius: 12px;
  font-size: .72rem;
}

/* 底部 */
.footer {
  text-align: center;
  margin-top: 50px;
  padding: 20px;
  color: #71717a;
  font-size: .9rem;
}

.footer a {
  color: #71717a;
  text-decoration: none;
}

/* 状态样式 */
.no-results {
  grid-column: 1/-1;
  text-align: center;
  padding: 60px;
  color: #71717a;
  font-size: 1.1rem;
}

.loading {
  text-align: center;
  padding: 40px;
  color: #71717a;
}

.error {
  text-align: center;
  padding: 40px;
  color: #ef4444;
}

/* 搜索高亮 */
.highlight {
  background: #fef3c7;
  padding: 2px 4px;
  border-radius: 3px;
}

/* 动画效果 */
.fade-in {
  animation: fadeIn .5s ease-in;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* 通知样式 */
.notification-container {
  position: fixed;
  top: 20px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 10001; /* 确保在模态框之上显示 */
}

.notification {
  background: #fff;
  border: 1px solid #e4e4e7;
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, .15);
  margin-bottom: 10px;
  opacity: 0;
  transform: translateY(-20px);
  transition: all .3s;
}

.notification-show {
  opacity: 1;
  transform: translateY(0);
}

.notification-hide {
  opacity: 0;
  transform: translateY(-20px);
}

.notification-content {
  display: flex;
  align-items: center;
  padding: 12px 16px;
  gap: 8px;
}

.notification-icon {
  font-size: 1.2rem;
}

.notification-message {
  flex: 1;
  font-size: .9rem;
}

.notification-close {
  background: none;
  border: none;
  font-size: 1.2rem;
  cursor: pointer;
  color: #71717a;
  padding: 0;
  margin-left: 8px;
}

.notification-success {
  border-left: 4px solid #10b981;
}

.notification-error {
  border-left: 4px solid #ef4444;
}

.notification-warning {
  border-left: 4px solid #f59e0b;
}

.notification-info {
  border-left: 4px solid #3b82f6;
}

/* 暗色主题 */
.dark-theme {
  background: #09090b;
  color: #fafafa;
}

.dark-theme .header h1,
.dark-theme .section-title {
  color: #fafafa;
}

.dark-theme .card {
  background: #18181b;
  border-color: #27272a;
}

.dark-theme .card-icon {
  background: #27272a;
}

.dark-theme .card-description,
.dark-theme .footer,
.dark-theme .stats-bar {
  color: #a1a1aa;
}

.dark-theme .theme-toggle {
  background: #18181b;
  border-color: #27272a;
  color: #fafafa;
}

.dark-theme .no-results {
  color: #a1a1aa;
}

.dark-theme #search-input {
  border-color: #27272a;
  background: #18181b;
  color: #fafafa;
}

.dark-theme .tag {
  background: #334155;
  color: #cbd5e1;
}

.dark-theme .highlight {
  background: #92400e;
  color: #fbbf24;
}

.dark-theme .notification {
  background: #18181b;
  border-color: #27272a;
  color: #fafafa;
}

/* 响应式设计 */
@media (max-width: 768px) {
  .header h1 {
    font-size: 2rem;
  }
  
  .cards-grid {
    grid-template-columns: 1fr;
  }
  
  .theme-toggle {
    width: 45px;
    height: 45px;
    font-size: 1.3rem;
  }
  
  .stats-bar {
    flex-direction: column;
    gap: 10px;
    align-items: center;
  }
  
  /* 搜索容器移动端适配 */
  .search-container {
    max-width: 100%;
    margin: 0 auto 30px;
    padding: 0 10px;
  }
  
  .search-wrapper {
    gap: 8px;
    padding: 4px;
  }
  
  .search-engines {
    gap: 4px;
    flex-wrap: nowrap;
  }
  
  .search-engine-btn {
    width: 28px;
    height: 28px;
    font-size: 12px;
  }
  
  .search-engine-btn img {
    width: 14px;
    height: 14px;
  }
}

/* 管理页面特殊样式 */
.admin-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 30px;
}

.admin-actions {
  display: flex;
  gap: 10px;
  flex-wrap: nowrap;
  overflow-x: auto;
}

.btn {
  padding: 10px 20px;
  border: 1px solid #e4e4e7;
  border-radius: 8px;
  background: linear-gradient(135deg, #fff 0%, #f8fafc 100%);
  color: #09090b;
  text-decoration: none;
  font-size: .9rem;
  font-weight: 500;
  cursor: pointer;
  transition: all .3s ease;
  position: relative;
  overflow: hidden;
  display: inline-flex;
  align-items: center; /* 图标与文字同一行对齐 */
  gap: 8px;
  white-space: nowrap;
}

.btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, .1);
}

/* 仅默认按钮在悬停时变浅色背景；有色按钮保持自身配色，避免文字变白不可见 */
.btn:not(.btn-primary):not(.btn-danger):hover {
  background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
}

.btn-primary {
  background: linear-gradient(135deg, #f9fafb 0%, #f3f4f6 100%);
  border-color: #e5e7eb;
  color: #111827;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.06);
}

.btn-primary:hover {
  transform: translateY(-2px);
  background: linear-gradient(135deg, #ffffff 0%, #f3f4f6 100%);
  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.08);
  color: #111827;
}

.btn-danger {
  background: linear-gradient(135deg, #f9fafb 0%, #f3f4f6 100%);
  border-color: #e5e7eb;
  color: #111827;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.06);
}

.btn-danger:hover {
  transform: translateY(-2px);
  background: linear-gradient(135deg, #ffffff 0%, #f3f4f6 100%);
  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.08);
  color: #111827;
}

.dark-theme .btn {
  background: linear-gradient(135deg, #18181b 0%, #27272a 100%);
  border-color: #27272a;
  color: #fafafa;
}

.dark-theme .btn:hover {
  background: linear-gradient(135deg, #27272a 0%, #3f3f46 100%);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, .3);
}

.dark-theme .card {
  background: linear-gradient(135deg, #18181b 0%, #27272a 100%);
  border-color: #27272a;
}

.dark-theme .card::before {
  background: linear-gradient(90deg, #3b82f6 0%, #8b5cf6 100%);
}