/* RISC-V CVE Dashboard - 样式文件 */

/* CSS 变量 - 支持主题切换 */
:root {
  /* RISC-V 官方色彩 */
  --primary-color: #1E3A8A;
  --primary-light: #3B82F6;
  --primary-dark: #1E40AF;
  
  /* 辅助色彩 */
  --success-color: #10B981;
  --warning-color: #F59E0B;
  --danger-color: #EF4444;
  --info-color: #06B6D4;
  --neutral-color: #6B7280;
  
  /* 背景色 */
  --bg-primary: #FFFFFF;
  --bg-secondary: #F8FAFC;
  --bg-tertiary: #F1F5F9;
  --bg-card: #FFFFFF;
  
  /* 文字色 */
  --text-primary: #1F2937;
  --text-secondary: #6B7280;
  --text-tertiary: #9CA3AF;
  --text-inverse: #FFFFFF;
  
  /* 边框色 */
  --border-color: #E5E7EB;
  --border-light: #F3F4F6;
  
  /* 阴影 */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
  
  /* 动画 */
  --transition-fast: 0.15s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
  
  /* 布局 */
  --nav-height: 70px;
  --sidebar-width: 280px;
  --container-max-width: 1400px;
  
  /* 字体 */
  --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --font-mono: 'SF Mono', Monaco, 'Cascadia Code', 'Roboto Mono', Consolas, 'Courier New', monospace;
}

/* 暗色主题 */
[data-theme="dark"] {
  --bg-primary: #111827;
  --bg-secondary: #1F2937;
  --bg-tertiary: #374151;
  --bg-card: #1F2937;
  
  --text-primary: #F9FAFB;
  --text-secondary: #D1D5DB;
  --text-tertiary: #9CA3AF;
  
  --border-color: #374151;
  --border-light: #4B5563;
}

/* 基础样式重置 */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html, body {
  height: 100%;
  font-family: var(--font-family);
  font-size: 14px;
  line-height: 1.5;
  color: var(--text-primary);
  background-color: var(--bg-primary);
  overflow-x: hidden;
}

/* 导航栏 */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--nav-height);
  background: var(--bg-card);
  border-bottom: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
  backdrop-filter: blur(10px);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
}

.nav-brand {
  display: flex;
  align-items: center;
  font-size: 20px;
  font-weight: 600;
  color: var(--primary-color);
}

.nav-brand i {
  margin-right: 12px;
  font-size: 24px;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-link {
  display: flex;
  align-items: center;
  padding: 8px 16px;
  border-radius: 8px;
  color: var(--text-secondary);
  text-decoration: none;
  transition: var(--transition-fast);
  font-size: 14px;
  font-weight: 500;
}

.nav-link:hover {
  background-color: var(--bg-tertiary);
  color: var(--text-primary);
}

.nav-link.active {
  background-color: var(--primary-color);
  color: var(--text-inverse);
}

.nav-link i {
  margin-right: 8px;
  font-size: 16px;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.theme-toggle, .export-btn {
  display: flex;
  align-items: center;
  padding: 8px 16px;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  background: var(--bg-card);
  color: var(--text-secondary);
  cursor: pointer;
  transition: var(--transition-fast);
  font-size: 14px;
}

.theme-toggle:hover, .export-btn:hover {
  background-color: var(--bg-tertiary);
  border-color: var(--primary-color);
}

.export-btn i {
  margin-right: 8px;
}

/* 主内容区域 */
.main-content {
  margin-top: var(--nav-height);
  min-height: calc(100vh - var(--nav-height));
  background: var(--bg-secondary);
  padding: 32px 24px;
}

.content-section {
  display: none;
  max-width: var(--container-max-width);
  margin: 0 auto;
}

.content-section.active {
  display: block;
}

/* 加载状态 */
.loading-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(255, 255, 255, 0.9);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
}

.loading-spinner {
  text-align: center;
  color: var(--primary-color);
}

.loading-spinner i {
  font-size: 48px;
  margin-bottom: 16px;
}

.loading-spinner p {
  font-size: 16px;
  font-weight: 500;
}

/* 节标题 */
.section-header {
  margin-bottom: 32px;
  text-align: center;
}

.section-header h1 {
  font-size: 36px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.section-subtitle {
  font-size: 18px;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

/* 指标卡片网格 */
.metrics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
  margin-bottom: 48px;
}

.metric-card {
  background: var(--bg-card);
  border-radius: 16px;
  padding: 24px;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-light);
  transition: var(--transition-normal);
  display: flex;
  align-items: center;
}

.metric-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.metric-icon {
  width: 60px;
  height: 60px;
  border-radius: 12px;
  background: var(--primary-color);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-right: 20px;
}

.metric-icon i {
  font-size: 24px;
  color: var(--text-inverse);
}

.metric-icon.success {
  background: var(--success-color);
}

.metric-icon.warning {
  background: var(--warning-color);
}

.metric-icon.danger {
  background: var(--danger-color);
}

.metric-content {
  flex: 1;
}

.metric-value {
  font-size: 32px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.metric-label {
  font-size: 16px;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.metric-trend {
  display: flex;
  align-items: center;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-tertiary);
}

.metric-trend i {
  margin-right: 6px;
  font-size: 12px;
}

.metric-trend.success {
  color: var(--success-color);
}

.metric-trend.danger {
  color: var(--danger-color);
}

/* 图表区域 */
.charts-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  margin-bottom: 48px;
}

.chart-container {
  background: var(--bg-card);
  border-radius: 16px;
  padding: 24px;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-light);
}

.chart-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
}

.chart-header h3 {
  font-size: 20px;
  font-weight: 600;
  color: var(--text-primary);
}

.chart-controls {
  display: flex;
  gap: 8px;
}

.chart-control-btn {
  padding: 6px 12px;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  background: var(--bg-secondary);
  color: var(--text-secondary);
  font-size: 12px;
  cursor: pointer;
  transition: var(--transition-fast);
}

.chart-control-btn:hover {
  background: var(--bg-tertiary);
}

.chart-control-btn.active {
  background: var(--primary-color);
  color: var(--text-inverse);
  border-color: var(--primary-color);
}

.chart-wrapper {
  position: relative;
  height: 300px;
  margin-bottom: 16px;
}

.chart-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: center;
}

.legend-item {
  display: flex;
  align-items: center;
  font-size: 14px;
}

.legend-color {
  width: 12px;
  height: 12px;
  border-radius: 2px;
  margin-right: 8px;
}

/* 快速统计 */
.quick-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
  margin-bottom: 48px;
}

.stat-item {
  background: var(--bg-card);
  border-radius: 12px;
  padding: 20px;
  text-align: center;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-light);
  transition: var(--transition-fast);
}

.stat-item:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.stat-icon {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 12px;
}

.stat-icon i {
  font-size: 20px;
  color: var(--text-inverse);
}

.stat-content h4 {
  font-size: 24px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.stat-content p {
  font-size: 14px;
  color: var(--text-secondary);
}

/* 分析页面 */
.analysis-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  margin-bottom: 48px;
}

.analysis-card {
  background: var(--bg-card);
  border-radius: 16px;
  padding: 24px;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-light);
}

.analysis-card h3 {
  font-size: 20px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 20px;
}

.timeline-controls {
  display: flex;
  gap: 8px;
  margin-bottom: 20px;
}

.timeline-btn {
  padding: 8px 16px;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  background: var(--bg-secondary);
  color: var(--text-secondary);
  font-size: 14px;
  cursor: pointer;
  transition: var(--transition-fast);
}

.timeline-btn:hover {
  background: var(--bg-tertiary);
}

.timeline-btn.active {
  background: var(--primary-color);
  color: var(--text-inverse);
  border-color: var(--primary-color);
}

/* 技术影响分析 */
.tech-impact-section {
  margin-bottom: 48px;
}

.tech-impact-section h3 {
  font-size: 24px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 24px;
  text-align: center;
}

.impact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}

.impact-card {
  background: var(--bg-card);
  border-radius: 16px;
  padding: 24px;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-light);
  overflow: hidden;
}

.impact-card h4 {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 20px;
}

.wordcloud-container {
  height: 300px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-secondary);
  border-radius: 8px;
  color: var(--text-tertiary);
  overflow: hidden;
  position: relative;
}

/* CVE浏览器 */
.search-section {
  background: var(--bg-card);
  border-radius: 16px;
  padding: 24px;
  margin-bottom: 32px;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-light);
}

.search-bar {
  margin-bottom: 20px;
}

.search-input-container {
  position: relative;
  display: flex;
  align-items: center;
}

.search-input-container i {
  position: absolute;
  left: 16px;
  color: var(--text-tertiary);
  font-size: 16px;
}

#searchInput {
  width: 100%;
  padding: 12px 16px 12px 48px;
  border: 2px solid var(--border-color);
  border-radius: 12px;
  font-size: 16px;
  background: var(--bg-secondary);
  color: var(--text-primary);
  transition: var(--transition-fast);
}

#searchInput:focus {
  outline: none;
  border-color: var(--primary-color);
  background: var(--bg-card);
}

.search-clear {
  position: absolute;
  right: 12px;
  background: none;
  border: none;
  color: var(--text-tertiary);
  cursor: pointer;
  padding: 4px;
  border-radius: 4px;
  transition: var(--transition-fast);
}

.search-clear:hover {
  background: var(--bg-tertiary);
  color: var(--text-primary);
}

.filter-section {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}

.filter-group {
  display: flex;
  align-items: center;
  gap: 8px;
}

.filter-group label {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  white-space: nowrap;
}

.filter-group select {
  padding: 8px 12px;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  background: var(--bg-secondary);
  color: var(--text-primary);
  font-size: 14px;
  min-width: 120px;
}

.filter-reset {
  padding: 8px 16px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  color: var(--text-secondary);
  cursor: pointer;
  transition: var(--transition-fast);
  font-size: 14px;
}

.filter-reset:hover {
  background: var(--warning-color);
  color: var(--text-inverse);
  border-color: var(--warning-color);
}

.filter-reset i {
  margin-right: 6px;
}

/* CVE列表 */
.cve-list-container {
  background: var(--bg-card);
  border-radius: 16px;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-light);
  overflow: hidden;
}

.list-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  border-bottom: 1px solid var(--border-color);
  background: var(--bg-secondary);
}

.result-info {
  font-size: 14px;
  color: var(--text-secondary);
}

.sort-controls {
  display: flex;
  align-items: center;
  gap: 8px;
}

.sort-controls label {
  font-size: 14px;
  color: var(--text-secondary);
}

.sort-controls select {
  padding: 6px 12px;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  background: var(--bg-card);
  color: var(--text-primary);
  font-size: 14px;
}

.cve-list {
  max-height: 800px;
  overflow-y: auto;
}

.cve-item {
  display: flex;
  align-items: center;
  padding: 20px 24px;
  border-bottom: 1px solid var(--border-light);
  cursor: pointer;
  transition: var(--transition-fast);
}

.cve-item:hover {
  background: var(--bg-secondary);
}

.cve-item:last-child {
  border-bottom: none;
}

.cve-id {
  font-family: var(--font-mono);
  font-size: 16px;
  font-weight: 600;
  color: var(--primary-color);
  min-width: 140px;
}

.cve-category {
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 500;
  margin-right: 16px;
  min-width: 120px;
  text-align: center;
}

.cve-summary {
  flex: 1;
  color: var(--text-secondary);
  font-size: 14px;
  line-height: 1.4;
  margin-right: 16px;
}

.cve-severity {
  padding: 4px 8px;
  border-radius: 4px;
  font-size: 12px;
  font-weight: 600;
  min-width: 80px;
  text-align: center;
}

.severity-critical {
  background: var(--danger-color);
  color: var(--text-inverse);
}

.severity-high {
  background: #FF8C00;
  color: var(--text-inverse);
}

.severity-medium {
  background: var(--warning-color);
  color: var(--text-inverse);
}

.severity-low {
  background: var(--success-color);
  color: var(--text-inverse);
}

.severity-unknown {
  background: var(--neutral-color);
  color: var(--text-inverse);
}

/* 分类颜色 */
.category-linux-kernel {
  background-color: #3B82F6;
  color: white;
}

.category-cpu-soc {
  background-color: #F59E0B;
  color: white;
}

.category-dev-tools {
  background-color: #10B981;
  color: white;
}

.category-firmware {
  background-color: #8B5CF6;
  color: white;
}

.category-simulator {
  background-color: #EF4444;
  color: white;
}

.category-manual {
  background-color: #F59E0B;
  color: white;
}

.category-other {
  background-color: #6B7280;
  color: white;
}

/* 分页 */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  gap: 8px;
}

.pagination button {
  padding: 8px 12px;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  background: var(--bg-card);
  color: var(--text-secondary);
  cursor: pointer;
  transition: var(--transition-fast);
}

.pagination button:hover {
  background: var(--bg-tertiary);
}

.pagination button.active {
  background: var(--primary-color);
  color: var(--text-inverse);
  border-color: var(--primary-color);
}

.pagination button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* 分类分析 */
.category-tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 32px;
  overflow-x: auto;
  padding-bottom: 8px;
}

.category-tab {
  padding: 12px 24px;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  background: var(--bg-card);
  color: var(--text-secondary);
  cursor: pointer;
  transition: var(--transition-fast);
  white-space: nowrap;
  font-size: 14px;
  font-weight: 500;
}

.category-tab:hover {
  background: var(--bg-tertiary);
}

.category-tab.active {
  background: var(--primary-color);
  color: var(--text-inverse);
  border-color: var(--primary-color);
}

.category-content {
  background: var(--bg-card);
  border-radius: 16px;
  padding: 32px;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-light);
}

/* 模态框 */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 2000;
  padding: 20px;
}

.modal.active {
  display: flex;
}

.modal-content {
  background: var(--bg-card);
  border-radius: 16px;
  box-shadow: var(--shadow-xl);
  max-width: 800px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px;
  border-bottom: 1px solid var(--border-color);
}

.modal-header h2 {
  font-size: 24px;
  font-weight: 600;
  color: var(--text-primary);
  font-family: var(--font-mono);
}

.modal-close {
  background: none;
  border: none;
  font-size: 20px;
  color: var(--text-tertiary);
  cursor: pointer;
  padding: 8px;
  border-radius: 4px;
  transition: var(--transition-fast);
}

.modal-close:hover {
  background: var(--bg-tertiary);
  color: var(--text-primary);
}

.modal-body {
  padding: 24px;
}

/* 响应式设计 */
@media (max-width: 1024px) {
  .charts-grid {
    grid-template-columns: 1fr;
  }
  
  .analysis-container {
    grid-template-columns: 1fr;
  }
  
  .impact-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .nav-container {
    padding: 0 16px;
  }
  
  .nav-menu {
    display: none;
  }
  
  .main-content {
    padding: 20px 16px;
  }
  
  .metrics-grid {
    grid-template-columns: 1fr;
  }
  
  .filter-section {
    flex-direction: column;
    align-items: stretch;
    gap: 16px;
  }
  
  .filter-group {
    justify-content: space-between;
  }
  
  .list-header {
    flex-direction: column;
    gap: 16px;
    align-items: stretch;
  }
  
  .cve-item {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }
  
  .cve-id, .cve-category, .cve-severity {
    min-width: auto;
  }
}

@media (max-width: 480px) {
  .section-header h1 {
    font-size: 28px;
  }
  
  .section-subtitle {
    font-size: 16px;
  }
  
  .metric-card {
    flex-direction: column;
    text-align: center;
  }
  
  .metric-icon {
    margin-right: 0;
    margin-bottom: 16px;
  }
}

/* 打印样式 */
@media print {
  .navbar,
  .nav-actions,
  .search-section,
  .pagination {
    display: none !important;
  }
  
  .main-content {
    margin-top: 0;
    padding: 20px;
  }
  
  .content-section {
    display: block !important;
    page-break-inside: avoid;
  }
  
  .chart-container,
  .metric-card,
  .analysis-card {
    box-shadow: none;
    border: 1px solid #ddd;
    break-inside: avoid;
  }
}

/* 无障碍支持 */
.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;
}

/* 焦点状态 */
button:focus,
input:focus,
select:focus,
.nav-link:focus {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
}

/* 禁用状态 */
button:disabled,
input:disabled,
select:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

/* 滚动条样式 */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

::-webkit-scrollbar-track {
  background: var(--bg-tertiary);
}

::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--neutral-color);
}

/* 动画效果 */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideIn {
  from {
    transform: translateX(-100%);
  }
  to {
    transform: translateX(0);
  }
}

@keyframes pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.5;
  }
}

.fade-in {
  animation: fadeIn 0.5s ease-out;
}

.slide-in {
  animation: slideIn 0.3s ease-out;
}

.pulse {
  animation: pulse 2s infinite;
}
/* 词云样式 */
.word-cloud-container {
  background: var(--card-background);
  border-radius: var(--border-radius);
  border: 1px solid var(--border-color);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  margin: 1rem 0;
}

.word-cloud-header {
  padding: 1rem 1.5rem;
  background: linear-gradient(135deg, var(--primary-color), var(--primary-color-dark));
  color: white;
  border-bottom: 1px solid var(--border-color);
}

.word-cloud-header h3 {
  margin: 0 0 0.5rem 0;
  font-size: 1.1rem;
  font-weight: 600;
}

.word-cloud-header i {
  margin-right: 0.5rem;
}

.word-cloud-description {
  margin: 0;
  opacity: 0.9;
  font-size: 0.85rem;
}

.word-cloud {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 2rem;
  min-height: 300px;
  background: var(--background);
  position: relative;
}

.word-cloud-item {
  display: inline-block;
  padding: 0.3rem 0.8rem;
  margin: 0.2rem;
  border-radius: 2rem;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  transition: all 0.3s ease;
  cursor: pointer;
  user-select: none;
  line-height: 1.2;
  white-space: nowrap;
  position: relative;
}

.word-cloud-item:hover {
  transform: scale(1.15) rotate(2deg);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
  background: rgba(255, 255, 255, 0.2);
  z-index: 2;
}

.word-cloud-item:nth-child(even):hover {
  transform: scale(1.15) rotate(-2deg);
}

.word-cloud-legend {
  padding: 0.75rem 1.5rem;
  background: var(--background-secondary);
  border-top: 1px solid var(--border-color);
  text-align: center;
  color: var(--text-secondary);
}

/* 漏洞类型分布样式 */
.vulnerability-types {
  background: var(--card-background);
  border-radius: var(--border-radius);
  border: 1px solid var(--border-color);
  overflow: hidden;
}

.vulnerability-types h3 {
  margin: 0;
  padding: 1rem 1.5rem;
  background: var(--background-secondary);
  border-bottom: 1px solid var(--border-color);
  font-size: 1.1rem;
  color: var(--text-primary);
}

.vulnerability-types-header h3 {
  margin: 0 0 0.5rem 0;
  color: var(--text-primary);
  font-size: 1.2rem;
}

.vulnerability-types-description {
  margin: 0;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.vulnerability-types-list {
  margin-top: 1rem;
}

.vulnerability-type-item {
  margin-bottom: 1rem;
  padding: 0.75rem;
  background: var(--card-background);
  border-radius: 6px;
}

.vulnerability-type-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.5rem;
}

.vulnerability-type-name {
  font-weight: 500;
  color: var(--text-primary);
}

.vulnerability-type-count {
  font-weight: 600;
  color: var(--accent-color);
  font-size: 0.9rem;
}

.vulnerability-type-bar {
  height: 8px;
  background: var(--background-secondary);
  border-radius: 4px;
  overflow: hidden;
}

.vulnerability-type-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent-color), var(--accent-color-hover));
  border-radius: 4px;
  transition: width 0.3s ease;
}

.vulnerability-types-legend {
  margin-top: 1rem;
  text-align: center;
  color: var(--text-secondary);
  font-size: 0.85rem;
}

.vuln-type-item {
  display: flex;
  align-items: center;
  padding: 0.75rem 1.5rem;
  border-bottom: 1px solid var(--border-color);
  transition: background-color 0.2s ease;
}

.vuln-type-item:hover {
  background: var(--background-secondary);
}

.vuln-type-item:last-child {
  border-bottom: none;
}

.vuln-type-name {
  flex: 0 0 140px;
  font-weight: 500;
  color: var(--text-primary);
}

.vuln-type-bar {
  flex: 1;
  height: 20px;
  background: var(--background-secondary);
  border-radius: 10px;
  margin: 0 1rem;
  overflow: hidden;
  position: relative;
}

.vuln-type-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--primary-color), var(--primary-color-dark));
  border-radius: 10px;
  transition: width 0.8s ease;
  position: relative;
}

.vuln-type-fill::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
  animation: shimmer 2s infinite;
}

@keyframes shimmer {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}

.vuln-type-count {
  flex: 0 0 50px;
  text-align: right;
  font-weight: 600;
  color: var(--primary-color);
}


/* 分类分析改进样式 */
.categories-comparison {
  padding: 2rem;
}

.categories-comparison h2 {
  margin: 0 0 2rem 0;
  font-size: 1.8rem;
  color: var(--text-primary);
  text-align: center;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

.comparison-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.comparison-item {
  background: var(--card-background);
  border-radius: var(--border-radius);
  border: 1px solid var(--border-color);
  padding: 1.5rem;
  text-align: center;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.comparison-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--primary-color), var(--primary-color-dark));
}

.comparison-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary-color);
}

.comparison-item h3 {
  margin: 0 0 1rem 0;
  font-size: 1.1rem;
  color: var(--text-primary);
  font-weight: 600;
}

.comparison-stats {
  margin-bottom: 1rem;
}

.stat-value {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--primary-color);
  line-height: 1;
  margin-bottom: 0.25rem;
}

.stat-percentage {
  font-size: 1rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.comparison-bar {
  height: 8px;
  background: var(--background-secondary);
  border-radius: 4px;
  overflow: hidden;
  margin-bottom: 0.5rem;
}

.bar-fill {
  height: 100%;
  border-radius: 4px;
  transition: width 1.2s ease;
  position: relative;
}

.bar-fill::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.4), transparent);
  animation: shimmer 2s infinite;
}

.comparison-details small {
  color: var(--text-secondary);
  font-size: 0.85rem;
}

.comparison-insights {
  background: var(--card-background);
  border-radius: var(--border-radius);
  border: 1px solid var(--border-color);
  padding: 2rem;
  margin-bottom: 2rem;
}

.comparison-insights h3 {
  margin: 0 0 1.5rem 0;
  font-size: 1.3rem;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.comparison-insights ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.comparison-insights li {
  padding: 1rem 0;
  border-bottom: 1px solid var(--border-color);
  color: var(--text-secondary);
  line-height: 1.6;
  position: relative;
  padding-left: 2rem;
}

.comparison-insights li:last-child {
  border-bottom: none;
}

.comparison-insights li::before {
  content: '▶';
  color: var(--primary-color);
  font-weight: 600;
  position: absolute;
  left: 0;
  top: 1rem;
}

.comparison-insights strong {
  color: var(--text-primary);
  font-weight: 600;
}

.comparison-timeline {
  background: linear-gradient(135deg, var(--primary-color), var(--primary-color-dark));
  color: white;
  border-radius: var(--border-radius);
  padding: 2rem;
  text-align: center;
}

.comparison-timeline h3 {
  margin: 0 0 1rem 0;
  font-size: 1.3rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

.comparison-timeline p {
  margin: 0;
  font-size: 1rem;
  line-height: 1.6;
  opacity: 0.95;
}

/* ==================== 增强的分类分析样式 ==================== */

/* 分类概览卡片 */
.category-overview-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.overview-card {
  background: var(--bg-card);
  border-radius: 12px;
  padding: 1.5rem;
  border: 1px solid var(--border-color);
  border-left: 4px solid var(--primary-color);
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  transition: all 0.3s ease;
  box-shadow: var(--shadow-sm);
}

.overview-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-left-width: 6px;
}

.overview-card.primary { border-left-color: var(--primary-color); }
.overview-card.warning { border-left-color: var(--warning-color); }
.overview-card.info { border-left-color: var(--info-color); }
.overview-card.success { border-left-color: var(--success-color); }
.overview-card.danger { border-left-color: var(--danger-color); }

.overview-card .card-icon {
  width: 56px;
  height: 56px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  flex-shrink: 0;
  background: var(--primary-color);
  color: white;
}

.overview-card.warning .card-icon { background: var(--warning-color); }
.overview-card.info .card-icon { background: var(--info-color); }
.overview-card.success .card-icon { background: var(--success-color); }
.overview-card.danger .card-icon { background: var(--danger-color); }

.overview-card .card-content {
  flex: 1;
}

.overview-card .card-content h3 {
  font-size: 2rem;
  font-weight: 700;
  margin: 0 0 0.25rem 0;
  color: var(--text-primary);
  line-height: 1;
}

.overview-card .card-content p {
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin: 0 0 0.5rem 0;
  font-weight: 500;
}

.overview-card .card-percentage,
.overview-card .card-trend,
.overview-card .card-info {
  font-size: 0.75rem;
  display: inline-block;
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
  background: var(--bg-secondary);
  color: var(--text-secondary);
}

.overview-card .card-badge {
  display: inline-block;
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 600;
}

.overview-card .card-badge.danger {
  background: var(--danger-color);
  color: white;
}

.overview-card .card-trend i {
  margin-right: 0.25rem;
}

/* 增强的分类标题 */
.category-header-enhanced {
  background: linear-gradient(135deg, var(--bg-card), var(--bg-secondary));
  border-radius: 16px;
  padding: 2rem;
  margin-bottom: 2rem;
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-sm);
}

.category-title-group {
  display: flex;
  align-items: flex-start;
  gap: 1.5rem;
}

.category-icon {
  width: 64px;
  height: 64px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  flex-shrink: 0;
}

.category-header-enhanced h2 {
  font-size: 1.75rem;
  font-weight: 700;
  margin: 0 0 0.5rem 0;
  color: var(--text-primary);
}

.category-description {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin: 0;
}

/* 分析卡片网格 */
.category-analysis-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: 2rem;
  margin-bottom: 2rem;
}

.analysis-card {
  background: var(--bg-card);
  border-radius: 16px;
  padding: 1.5rem;
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-sm);
}

.analysis-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 2px solid var(--border-light);
}

.analysis-card-header h4 {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.analysis-card-header h4 i {
  color: var(--primary-color);
}

.analysis-card-header .card-subtitle {
  font-size: 0.875rem;
  color: var(--text-tertiary);
}

/* 增强的年度分布 */
.year-distribution-enhanced {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.year-item-enhanced {
  display: grid;
  grid-template-columns: 100px 1fr 80px;
  gap: 1rem;
  align-items: center;
}

.year-label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.year-number {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
}

.year-number.recent {
  color: var(--primary-color);
  font-weight: 700;
}

.year-badge {
  font-size: 0.625rem;
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
  background: var(--primary-color);
  color: white;
  font-weight: 600;
  text-transform: uppercase;
}

.year-bar-container {
  flex: 1;
}

.year-bar {
  height: 32px;
  background: var(--bg-secondary);
  border-radius: 8px;
  overflow: hidden;
  position: relative;
}

.year-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--primary-color), var(--primary-light));
  border-radius: 8px;
  transition: width 0.8s cubic-bezier(0.4, 0, 0.2, 1);
  width: 100%;
}

.year-count {
  text-align: right;
  display: flex;
  align-items: baseline;
  justify-content: flex-end;
  gap: 0.25rem;
}

.year-count .count-number {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
}

.year-count .count-label {
  font-size: 0.75rem;
  color: var(--text-tertiary);
}

/* 增强的严重程度分布 */
.severity-distribution-enhanced {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.severity-item-enhanced {
  background: var(--bg-secondary);
  border-radius: 12px;
  padding: 1rem;
  transition: all 0.3s ease;
}

.severity-item-enhanced:hover {
  background: var(--bg-tertiary);
  transform: translateX(4px);
}

.severity-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.75rem;
}

.severity-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  border-radius: 8px;
  font-size: 0.875rem;
  font-weight: 600;
  border: 2px solid;
}

.severity-stats {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
}

.severity-count {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
}

.severity-percentage {
  font-size: 1rem;
  color: var(--text-secondary);
}

.severity-progress {
  height: 8px;
  background: var(--bg-primary);
  border-radius: 4px;
  overflow: hidden;
}

.severity-progress-bar {
  height: 100%;
  border-radius: 4px;
  transition: width 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

/* 增强的CVE列表 */
.category-cves-enhanced {
  background: var(--bg-card);
  border-radius: 16px;
  padding: 1.5rem;
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-sm);
}

.section-title-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 2px solid var(--border-light);
}

.section-title-bar h4 {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.section-title-bar h4 i {
  color: var(--primary-color);
}

.view-all-btn {
  padding: 0.5rem 1rem;
  border: 2px solid var(--primary-color);
  background: transparent;
  color: var(--primary-color);
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.875rem;
  cursor: pointer;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.view-all-btn:hover {
  background: var(--primary-color);
  color: white;
  transform: translateX(4px);
}

.latest-cves-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1rem;
}

/* CVE卡片增强 */
.cve-card-enhanced {
  background: var(--bg-secondary);
  border-radius: 12px;
  padding: 1.25rem;
  border: 1px solid var(--border-light);
  transition: all 0.3s ease;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.cve-card-enhanced:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--primary-color);
  background: var(--bg-card);
}

.cve-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.5rem;
}

.cve-id-badge {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--primary-color);
  background: var(--primary-color)10;
  padding: 0.375rem 0.75rem;
  border-radius: 6px;
  border: 1px solid var(--primary-color)30;
}

.cve-year-badge {
  font-size: 0.75rem;
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
  background: var(--bg-tertiary);
  color: var(--text-tertiary);
  font-weight: 600;
}

.cve-card-body {
  flex: 1;
}

.cve-summary {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin: 0;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.cve-card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.75rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border-light);
}

.cve-severity-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.375rem 0.75rem;
  border-radius: 6px;
  font-size: 0.75rem;
  font-weight: 600;
  border: 1px solid;
}

.cve-detail-btn {
  padding: 0.375rem 0.75rem;
  background: var(--primary-color);
  color: white;
  border: none;
  border-radius: 6px;
  font-size: 0.75rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  gap: 0.375rem;
}

.cve-detail-btn:hover {
  background: var(--primary-dark);
  transform: translateX(4px);
}

/* 增强的对比网格 */
.comparison-grid-enhanced {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
  margin-bottom: 3rem;
}

.comparison-card {
  background: var(--bg-card);
  border-radius: 16px;
  padding: 1.5rem;
  border: 1px solid var(--border-light);
  border-top: 4px solid var(--primary-color);
  box-shadow: var(--shadow-sm);
  transition: all 0.3s ease;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  position: relative;
}

.comparison-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.comparison-rank {
  position: absolute;
  top: -12px;
  right: 1.5rem;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  font-weight: 700;
  color: white;
  box-shadow: var(--shadow-md);
}

.comparison-icon {
  width: 64px;
  height: 64px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  margin: 0 auto;
}

.comparison-card h3 {
  text-align: center;
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0;
}

.comparison-stats {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 0;
}

.stat-main {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.stat-number {
  font-size: 2rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1;
}

.stat-label {
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.stat-percentage {
  font-size: 1.75rem;
  font-weight: 700;
}

.comparison-bar-container {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.comparison-bar {
  height: 12px;
  background: var(--bg-secondary);
  border-radius: 6px;
  overflow: hidden;
}

.comparison-bar .bar-fill {
  height: 100%;
  border-radius: 6px;
  transition: width 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.bar-label {
  font-size: 0.75rem;
  color: var(--text-tertiary);
  text-align: center;
}

.view-category-btn {
  width: 100%;
  padding: 0.75rem;
  border: 2px solid;
  background: transparent;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.875rem;
  cursor: pointer;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

.view-category-btn:hover {
  transform: scale(1.02);
  box-shadow: var(--shadow-sm);
}

/* 增强的洞察区域 */
.comparison-insights-enhanced {
  background: linear-gradient(135deg, var(--bg-card), var(--bg-secondary));
  border-radius: 16px;
  padding: 2rem;
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-md);
}

.insights-header {
  margin-bottom: 2rem;
  text-align: center;
}

.insights-header h3 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
}

.insights-header h3 i {
  color: var(--warning-color);
  font-size: 1.75rem;
}

.insights-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.insight-card {
  background: var(--bg-card);
  border-radius: 12px;
  padding: 1.5rem;
  border: 1px solid var(--border-light);
  display: flex;
  gap: 1rem;
  transition: all 0.3s ease;
}

.insight-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.insight-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  color: white;
  flex-shrink: 0;
}

.insight-icon.primary { background: var(--primary-color); }
.insight-icon.warning { background: var(--warning-color); }
.insight-icon.success { background: var(--success-color); }
.insight-icon.info { background: var(--info-color); }

.insight-content h4 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0 0 0.5rem 0;
}

.insight-content p {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin: 0;
}

.comparison-header {
  text-align: center;
  margin-bottom: 2rem;
}

.comparison-header h2 {
  font-size: 2rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 0 0 0.5rem 0;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
}

.comparison-header h2 i {
  color: var(--primary-color);
}

.comparison-subtitle {
  font-size: 1rem;
  color: var(--text-secondary);
  margin: 0;
}

/* 响应式调整 */
@media (max-width: 768px) {
  .category-overview-cards {
    grid-template-columns: 1fr;
  }
  
  .category-analysis-grid {
    grid-template-columns: 1fr;
  }
  
  .latest-cves-grid {
    grid-template-columns: 1fr;
  }
  
  .comparison-grid-enhanced {
    grid-template-columns: 1fr;
  }
  
  .insights-grid {
    grid-template-columns: 1fr;
  }
  
  .year-item-enhanced {
    grid-template-columns: 80px 1fr 60px;
  }
  
  .category-title-group {
    flex-direction: column;
    text-align: center;
    align-items: center;
  }
}