/* ====================== */
/* 分类分析 - 简洁版样式 */
/* ====================== */

/* 单一分类详情页 */
.category-detail-simple {
  padding: 0;
}

/* 分类标题区 */
.category-title-section {
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 32px;
  background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
  border-radius: 12px;
  margin-bottom: 24px;
  border: 1px solid var(--border-color);
}

.category-icon-large {
  width: 80px;
  height: 80px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 36px;
  color: white;
  flex-shrink: 0;
}

.category-info {
  flex: 1;
}

.category-info h2 {
  margin: 0 0 8px 0;
  font-size: 28px;
  color: var(--text-primary);
}

.category-desc {
  margin: 0 0 16px 0;
  color: var(--text-secondary);
  font-size: 14px;
  line-height: 1.6;
}

.category-meta {
  display: flex;
  gap: 24px;
}

.meta-item {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text-secondary);
  font-size: 14px;
}

.meta-item i {
  color: var(--primary-color);
}

.meta-item strong {
  color: var(--text-primary);
  font-size: 18px;
}

/* 统计卡片行 */
.stats-cards-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.stat-card {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 20px;
  background: var(--bg-secondary);
  border-radius: 8px;
  border: 1px solid var(--border-color);
  transition: all 0.2s;
}

.stat-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.stat-icon {
  width: 48px;
  height: 48px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  color: white;
}

.stat-icon.red {
  background: #EF4444;
}

.stat-icon.blue {
  background: #3B82F6;
}

.stat-icon.green {
  background: #10B981;
}

.stat-icon.purple {
  background: #8B5CF6;
}

.stat-content {
  flex: 1;
}

.stat-number {
  display: block;
  font-size: 24px;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1;
  margin-bottom: 4px;
}

.stat-label {
  display: block;
  font-size: 12px;
  color: var(--text-secondary);
}

/* 内容网格 */
.category-content-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
  margin-bottom: 24px;
}

.content-section {
  background: var(--bg-secondary);
  border-radius: 8px;
  padding: 20px;
  border: 1px solid var(--border-color);
}

.content-section.full-width {
  grid-column: 1 / -1;
}

.section-header-simple {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--border-color);
}

.section-header-simple h3 {
  margin: 0;
  font-size: 18px;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 8px;
}

.section-header-simple i {
  color: var(--primary-color);
}

.view-all-link {
  background: none;
  border: none;
  color: var(--primary-color);
  cursor: pointer;
  font-size: 14px;
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: 4px;
  transition: all 0.2s;
}

.view-all-link:hover {
  background: var(--primary-color);
  color: white;
}

/* 简单条形图 */
.year-chart-area,
.severity-chart-area {
  min-height: 200px;
}

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

.bar-item {
  display: grid;
  grid-template-columns: 60px 1fr auto;
  align-items: center;
  gap: 12px;
}

.bar-label {
  font-weight: 600;
  color: var(--text-primary);
  font-size: 14px;
}

.bar-track {
  height: 28px;
  background: var(--bg-tertiary);
  border-radius: 14px;
  overflow: hidden;
  position: relative;
}

.bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  padding: 0 12px;
  min-width: 40px;
  transition: width 0.6s ease;
}

.bar-value {
  font-weight: 600;
  color: white;
  font-size: 12px;
}

/* 严重程度图表 */
.simple-severity-chart {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.severity-item {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

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

.severity-name {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  color: var(--text-primary);
  font-size: 14px;
}

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

.severity-bar-track {
  height: 24px;
  background: var(--bg-tertiary);
  border-radius: 12px;
  overflow: hidden;
}

.severity-bar-fill {
  height: 100%;
  border-radius: 12px;
  transition: width 0.6s ease;
}

/* CVE列表 */
.cve-list-simple {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 16px;
}

.cve-item-simple {
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 16px;
  cursor: pointer;
  transition: all 0.2s;
}

.cve-item-simple:hover {
  border-color: var(--primary-color);
  box-shadow: 0 4px 12px rgba(59, 130, 246, 0.15);
  transform: translateY(-2px);
}

.cve-item-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}

.cve-id {
  font-weight: 700;
  color: var(--primary-color);
  font-size: 14px;
}

.cve-severity-badge {
  padding: 4px 10px;
  border-radius: 12px;
  font-size: 11px;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 4px;
}

.cve-description {
  margin: 0 0 12px 0;
  font-size: 13px;
  line-height: 1.6;
  color: var(--text-secondary);
}

.cve-item-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 12px;
  border-top: 1px solid var(--border-color);
}

.cve-meta {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--text-secondary);
}

.cve-action {
  font-size: 12px;
  color: var(--primary-color);
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 4px;
}

/* 分类对比页面 */
.categories-comparison-simple {
  padding: 0;
}

.comparison-header-simple {
  text-align: center;
  margin-bottom: 32px;
}

.comparison-header-simple h2 {
  margin: 0 0 8px 0;
  font-size: 28px;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
}

.comparison-subtitle {
  margin: 0;
  color: var(--text-secondary);
  font-size: 14px;
}

.comparison-grid-simple {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}

.category-compare-card {
  background: var(--bg-secondary);
  border-radius: 8px;
  padding: 24px;
  border: 2px solid transparent;
  border-top-width: 4px;
  transition: all 0.2s;
  cursor: pointer;
}

.category-compare-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
  border-color: currentColor;
}

.category-card-header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 20px;
}

.category-card-icon {
  width: 56px;
  height: 56px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  color: white;
}

.category-card-title {
  flex: 1;
}

.category-card-title h3 {
  margin: 0 0 4px 0;
  font-size: 18px;
  color: var(--text-primary);
}

.category-rank-badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 12px;
  font-size: 11px;
  font-weight: 700;
  background: var(--bg-tertiary);
  color: var(--text-secondary);
}

.category-card-stats {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 16px 0;
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 16px;
}

.category-card-number {
  font-size: 32px;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1;
}

.category-card-label {
  font-size: 12px;
  color: var(--text-secondary);
  margin-top: 4px;
}

.category-card-percent {
  font-size: 24px;
  font-weight: 700;
  line-height: 1;
}

.category-card-insights {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.category-insight-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text-secondary);
}

.category-insight-item i {
  width: 16px;
  text-align: center;
}

.category-card-action {
  margin-top: 16px;
  padding: 10px;
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  text-align: center;
  font-size: 13px;
  font-weight: 600;
  color: var(--primary-color);
  transition: all 0.2s;
}

.category-compare-card:hover .category-card-action {
  background: var(--primary-color);
  color: white;
  border-color: var(--primary-color);
}

/* 响应式设计 */
@media (max-width: 768px) {
  .category-title-section {
    flex-direction: column;
    text-align: center;
  }
  
  .category-meta {
    flex-direction: column;
    gap: 12px;
  }
  
  .stats-cards-row {
    grid-template-columns: 1fr;
  }
  
  .category-content-grid {
    grid-template-columns: 1fr;
  }
  
  .cve-list-simple {
    grid-template-columns: 1fr;
  }
  
  .comparison-grid-simple {
    grid-template-columns: 1fr;
  }
}