* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --primary-color: #4a90d9;
  --success-color: #52c41a;
  --warning-color: #faad14;
  --danger-color: #f5222d;
  --text-color: #333;
  --text-secondary: #666;
  --border-color: #e8e8e8;
  --bg-color: #f5f5f5;
  --card-bg: #fff;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  background: var(--bg-color);
  color: var(--text-color);
  line-height: 1.6;
}

.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 20px;
}

/* 头部 */
.header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
  padding: 20px 24px;
  background: var(--card-bg);
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.06);
}

.header h1 {
  font-size: 24px;
  font-weight: 600;
}

/* 按钮 */
.btn {
  padding: 8px 16px;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  font-size: 14px;
  transition: all 0.3s;
}

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

.btn-primary:hover {
  background: #357abd;
}

.btn-secondary {
  background: #fff;
  border: 1px solid var(--border-color);
  color: var(--text-color);
}

.btn-secondary:hover {
  border-color: var(--primary-color);
  color: var(--primary-color);
}

/* 筛选栏 */
.filter-bar {
  display: flex;
  gap: 16px;
  margin-bottom: 24px;
  padding: 16px 24px;
  background: var(--card-bg);
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.06);
  align-items: flex-end;
  flex-wrap: wrap;
}

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

.filter-group label {
  font-size: 13px;
  color: var(--text-secondary);
}

.filter-group input,
.filter-group select {
  padding: 8px 12px;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  font-size: 14px;
  min-width: 160px;
}

/* 概览卡片 */
.overview-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.card {
  display: flex;
  align-items: center;
  padding: 20px 24px;
  background: var(--card-bg);
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.06);
}

.card-icon {
  font-size: 36px;
  margin-right: 16px;
}

.card-content {
  flex: 1;
}

.card-label {
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 4px;
}

.card-value {
  font-size: 28px;
  font-weight: 600;
  color: var(--primary-color);
}

.card-hint {
  font-size: 12px;
  color: var(--text-secondary);
  margin-top: 2px;
}

/* 规则说明 */
.rules-notice {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  padding: 12px 16px;
  margin-bottom: 24px;
  background: #e6f7ff;
  border-left: 4px solid var(--primary-color);
  border-radius: 4px;
  font-size: 14px;
}

.rules-icon {
  font-size: 16px;
  flex-shrink: 0;
}

.rules-text {
  flex: 1;
  line-height: 1.6;
  color: var(--text-color);
}

.rules-text strong {
  color: var(--primary-color);
}

/* Tab切换 */
.tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 16px;
}

.tab-btn {
  padding: 10px 20px;
  border: none;
  background: var(--card-bg);
  border-radius: 4px;
  cursor: pointer;
  font-size: 14px;
  color: var(--text-secondary);
  transition: all 0.3s;
}

.tab-btn:hover {
  color: var(--primary-color);
}

.tab-btn.active {
  background: var(--primary-color);
  color: #fff;
}

.tab-panel {
  display: none;
}

.tab-panel.active {
  display: block;
}

/* 面板头部 */
.panel-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
  padding: 16px 24px;
  background: var(--card-bg);
  border-radius: 8px 8px 0 0;
}

.panel-header h2 {
  font-size: 18px;
  font-weight: 600;
}

.search-box {
  display: flex;
  align-items: center;
}

.search-box input {
  padding: 8px 12px;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  font-size: 14px;
  width: 240px;
}

/* 表格 */
.table-container {
  background: var(--card-bg);
  border-radius: 0 0 8px 8px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.06);
  overflow-x: auto;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
}

.data-table th,
.data-table td {
  padding: 12px 16px;
  text-align: left;
  border-bottom: 1px solid var(--border-color);
}

.data-table th {
  background: #fafafa;
  font-weight: 600;
  color: var(--text-secondary);
  font-size: 13px;
  white-space: nowrap;
}

.data-table tbody tr:hover {
  background: #f5f5f5;
}

.data-table td {
  font-size: 14px;
}

.loading {
  text-align: center !important;
  color: var(--text-secondary) !important;
  padding: 40px !important;
}

/* 标签 */
.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 12px;
  font-weight: 500;
}

.badge-success {
  background: #f6ffed;
  color: var(--success-color);
  border: 1px solid #b7eb8f;
}

.badge-default {
  background: #f5f5f5;
  color: var(--text-secondary);
}

.badge-warning {
  background: #fffbe6;
  color: var(--warning-color);
  border: 1px solid #ffe58f;
}

/* 分页 */
.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 8px;
  padding: 16px;
  background: var(--card-bg);
  border-radius: 0 0 8px 8px;
}

.pagination button {
  padding: 6px 12px;
  border: 1px solid var(--border-color);
  background: #fff;
  border-radius: 4px;
  cursor: pointer;
  font-size: 14px;
}

.pagination button:hover:not(:disabled) {
  border-color: var(--primary-color);
  color: var(--primary-color);
}

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

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

/* 排行榜 */
.ranking-tabs {
  display: flex;
  gap: 8px;
}

.ranking-tab-btn {
  padding: 6px 16px;
  border: 1px solid var(--border-color);
  background: #fff;
  border-radius: 4px;
  cursor: pointer;
  font-size: 13px;
  color: var(--text-secondary);
}

.ranking-tab-btn.active {
  border-color: var(--primary-color);
  color: var(--primary-color);
  background: #e6f7ff;
}

.ranking-content {
  display: none;
}

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

.ranking-list {
  background: var(--card-bg);
  border-radius: 0 0 8px 8px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.06);
  max-height: 600px;
  overflow-y: auto;
}

.ranking-item {
  display: flex;
  align-items: center;
  padding: 16px 24px;
  border-bottom: 1px solid var(--border-color);
}

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

.ranking-item:hover {
  background: #f5f5f5;
}

.ranking-rank {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 16px;
  border-radius: 50%;
  margin-right: 16px;
}

.ranking-rank.top-1 {
  background: linear-gradient(135deg, #ffd700 0%, #ffed4e 100%);
  color: #8b5a00;
}

.ranking-rank.top-2 {
  background: linear-gradient(135deg, #c0c0c0 0%, #e8e8e8 100%);
  color: #5a5a5a;
}

.ranking-rank.top-3 {
  background: linear-gradient(135deg, #cd7f32 0%, #daa06d 100%);
  color: #5a3a1a;
}

.ranking-rank.other {
  background: #f5f5f5;
  color: var(--text-secondary);
}

.ranking-info {
  flex: 1;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 16px;
  align-items: center;
}

.ranking-name {
  font-weight: 500;
  font-size: 15px;
}

.ranking-dept {
  color: var(--text-secondary);
  font-size: 13px;
}

.ranking-value {
  font-size: 14px;
  font-weight: 500;
  text-align: center;
}

.ranking-label {
  font-size: 11px;
  color: var(--text-secondary);
  margin-bottom: 2px;
}

.ranking-number {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-color);
}

.ranking-value.highlight {
  color: var(--warning-color);
}

.ranking-value.highlight-success {
  color: var(--success-color);
}

.ranking-value.highlight-success .ranking-number {
  color: var(--success-color);
}

.ranking-value.highlight .ranking-number {
  color: var(--warning-color);
}

/* 底部 */
.footer {
  margin-top: 24px;
  text-align: center;
  color: var(--text-secondary);
  font-size: 13px;
}

/* Toast提示 */
.toast {
  position: fixed;
  top: 24px;
  left: 50%;
  transform: translateX(-50%);
  padding: 12px 24px;
  background: rgba(0, 0, 0, 0.8);
  color: #fff;
  border-radius: 4px;
  font-size: 14px;
  opacity: 0;
  transition: opacity 0.3s;
  pointer-events: none;
  z-index: 1000;
}

.toast.show {
  opacity: 1;
}

/* 响应式 */
@media (max-width: 768px) {
  .header {
    flex-direction: column;
    gap: 12px;
  }

  .filter-bar {
    flex-direction: column;
  }

  .filter-group input,
  .filter-group select {
    width: 100%;
  }

  .overview-cards {
    grid-template-columns: 1fr;
  }

  .ranking-info {
    grid-template-columns: 1fr 1fr;
    gap: 8px;
  }

  .panel-header {
    flex-direction: column;
    gap: 12px;
    align-items: flex-start;
  }
}