/* ============================================================
 * Sales BI Dashboard — 商务企业浅色主题
 * 主色：蓝色系 | 预警：红色高亮
 * ============================================================ */

:root {
  --bi-primary: #1a56db;
  --bi-primary-light: #3b82f6;
  --bi-primary-soft: #eff6ff;
  --bi-primary-border: #bfdbfe;
  --bi-bg: #f0f4f8;
  --bi-card-bg: #ffffff;
  --bi-text: #1e293b;
  --bi-text-secondary: #64748b;
  --bi-text-muted: #94a3b8;
  --bi-border: #e2e8f0;
  --bi-danger: #dc2626;
  --bi-danger-bg: #fef2f2;
  --bi-danger-border: #fecaca;
  --bi-warning: #d97706;
  --bi-warning-bg: #fffbeb;
  --bi-success: #059669;
  --bi-shadow: 0 1px 3px rgba(15, 23, 42, 0.06), 0 1px 2px rgba(15, 23, 42, 0.04);
  --bi-shadow-hover: 0 4px 12px rgba(26, 86, 219, 0.1);
  --bi-radius: 10px;
  --bi-font: "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
}

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

html,
body {
  height: 100%;
  font-family: var(--bi-font);
  background: var(--bi-bg);
  color: var(--bi-text);
  -webkit-font-smoothing: antialiased;
}

#app {
  min-height: 100%;
}

/* ---------- 页面骨架 ---------- */
.bi-page {
  max-width: 1440px;
  margin: 0 auto;
  padding: 20px 24px 40px;
}

.bi-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 20px;
  padding: 18px 24px;
  background: linear-gradient(135deg, #1e3a8a 0%, #1a56db 55%, #2563eb 100%);
  border-radius: var(--bi-radius);
  box-shadow: 0 4px 16px rgba(26, 86, 219, 0.25);
  color: #fff;
}

.bi-header__brand {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.bi-header__title {
  font-size: 22px;
  font-weight: 700;
  letter-spacing: 0.3px;
  line-height: 1.3;
}

.bi-header__subtitle {
  font-size: 13px;
  opacity: 0.85;
  font-weight: 400;
}

.bi-header__filters {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.bi-header__filter-label {
  font-size: 13px;
  opacity: 0.9;
  white-space: nowrap;
}

.bi-header .el-select {
  width: 200px;
}

/* ---------- 模块通用 ---------- */
.bi-section {
  margin-bottom: 20px;
}

.bi-section__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
  padding-left: 10px;
  border-left: 3px solid var(--bi-primary);
}

.bi-section__title {
  font-size: 16px;
  font-weight: 650;
  color: var(--bi-text);
  line-height: 1.4;
}

/* ---------- KPI 卡片组 ---------- */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  align-items: stretch;
}

.kpi-card {
  background: var(--bi-card-bg);
  border: 1px solid var(--bi-border);
  border-radius: var(--bi-radius);
  padding: 16px 18px;
  box-shadow: var(--bi-shadow);
  transition: box-shadow 0.2s ease, transform 0.2s ease;
  position: relative;
  overflow: hidden;
  height: 100%;
  box-sizing: border-box;
}

/* 双卡并排压缩：占一格常规卡片空间，左右各半 */
.kpi-card-pair {
  display: flex;
  flex-direction: row;
  gap: 8px;
  min-height: 0;
  height: 100%;
  align-items: stretch;
}

.kpi-card--compact {
  flex: 1;
  min-width: 0;
  padding: 10px 12px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.kpi-card--compact .kpi-card__label {
  font-size: 12px;
  margin-bottom: 4px;
  min-height: auto;
  line-height: 1.3;
}

.kpi-card--compact .kpi-card__value {
  font-size: 20px;
}

.kpi-card--compact .kpi-card__unit {
  font-size: 12px;
}

.kpi-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--bi-primary);
}

.kpi-card:hover {
  box-shadow: var(--bi-shadow-hover);
  transform: translateY(-1px);
}

.kpi-card.is-alert::before {
  background: var(--bi-danger);
}

.kpi-card.is-alert {
  background: var(--bi-danger-bg);
  border-color: var(--bi-danger-border);
}

.kpi-card__label {
  font-size: 13px;
  font-weight: 600;
  color: var(--bi-text);
  line-height: 1.45;
  margin-bottom: 10px;
  min-height: 36px;
}

.kpi-card__value {
  font-size: 26px;
  font-weight: 700;
  color: var(--bi-primary);
  line-height: 1.2;
  font-variant-numeric: tabular-nums;
}

.kpi-card.is-alert .kpi-card__value {
  color: var(--bi-danger);
}

.kpi-card__unit {
  margin-left: 4px;
  font-size: 13px;
  font-weight: 500;
  color: var(--bi-text-muted);
}

.kpi-card.is-alert .kpi-card__unit {
  color: var(--bi-danger);
}

.kpi-card__hint {
  margin-top: 8px;
  font-size: 11px;
  color: var(--bi-text-muted);
}

.kpi-card.is-alert .kpi-card__hint {
  color: var(--bi-danger);
  font-weight: 500;
}

.kpi-card.is-clickable {
  cursor: pointer;
}

.kpi-card.is-clickable:hover {
  box-shadow: var(--bi-shadow-hover);
  transform: translateY(-1px);
}

.kpi-card.is-active {
  border-color: var(--bi-danger);
  box-shadow: var(--bi-shadow-hover);
}

.table-pager {
  display: flex;
  justify-content: flex-end;
  padding: 12px 8px 4px;
}

/* ---------- 预警卡片 ---------- */
.alert-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 12px;
}

.alert-card {
  background: var(--bi-card-bg);
  border: 1px solid var(--bi-border);
  border-radius: var(--bi-radius);
  padding: 14px 12px;
  box-shadow: var(--bi-shadow);
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: box-shadow 0.2s ease, transform 0.2s ease, border-color 0.2s ease;
  cursor: pointer;
  user-select: none;
  min-width: 0;
}

.alert-card:hover {
  box-shadow: var(--bi-shadow-hover);
  transform: translateY(-1px);
}

.alert-card.is-active {
  border-color: var(--bi-primary);
  background: var(--bi-primary-soft);
  box-shadow: var(--bi-shadow-hover);
}

.alert-card.is-active .alert-card__icon {
  background: #dbeafe;
  color: var(--bi-primary);
}

.alert-card__icon {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  background: var(--bi-danger-bg);
  color: var(--bi-danger);
}

.alert-card__label {
  font-size: 12px;
  font-weight: 600;
  color: var(--bi-text);
  line-height: 1.4;
  min-height: 34px;
}

.alert-card__value {
  font-size: 24px;
  font-weight: 700;
  color: var(--bi-danger);
  font-variant-numeric: tabular-nums;
}

.alert-card__value .unit {
  margin-left: 4px;
  font-size: 13px;
  font-weight: 500;
}

.alert-card__desc {
  font-size: 11.5px;
  color: var(--bi-text-muted);
  line-height: 1.4;
}

.alert-detail-section {
  margin-top: 16px;
  margin-bottom: 0;
}

/* ---------- 趋势图 ---------- */
.chart-panel {
  background: var(--bi-card-bg);
  border: 1px solid var(--bi-border);
  border-radius: var(--bi-radius);
  box-shadow: var(--bi-shadow);
  padding: 16px 18px 12px;
}

.chart-panel__toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 4px;
}

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

.chart-filter__label {
  font-size: 13px;
  color: var(--bi-text-secondary);
  white-space: nowrap;
}

.chart-box {
  width: 100%;
  height: 360px;
}

/* ---------- 客户表格 ---------- */
.table-panel {
  background: var(--bi-card-bg);
  border: 1px solid var(--bi-border);
  border-radius: var(--bi-radius);
  box-shadow: var(--bi-shadow);
  padding: 4px 4px 8px;
  overflow: hidden;
}

.table-toolbar {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 12px;
  padding: 10px 12px 8px;
}

.table-panel .el-table {
  --el-table-header-bg-color: #f8fafc;
  --el-table-header-text-color: #334155;
  --el-table-row-hover-bg-color: #f0f7ff;
}

.table-panel .el-table th.el-table__cell {
  font-weight: 600;
  font-size: 12.5px;
}

.table-panel .el-table td.el-table__cell {
  font-size: 13px;
}

/* 客户名称：单行不换行，超长省略 */
.customer-table .col-customer-name .cell {
  white-space: nowrap;
}

.customer-table .customer-name {
  display: inline-block;
  max-width: 100%;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  vertical-align: middle;
}

.alert-tag-group {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  justify-content: center;
}

.text-danger {
  color: var(--bi-danger) !important;
  font-weight: 650;
}

.text-primary {
  color: var(--bi-primary);
  font-weight: 600;
}

/* ---------- 详情弹窗 ---------- */
.detail-modal .detail-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px 20px;
}

.detail-item {
  padding: 12px 14px;
  background: #f8fafc;
  border-radius: 8px;
  border: 1px solid var(--bi-border);
}

.detail-item__label {
  font-size: 12px;
  color: var(--bi-text-muted);
  margin-bottom: 6px;
  line-height: 1.4;
}

.detail-item__value {
  font-size: 18px;
  font-weight: 700;
  color: var(--bi-text);
  font-variant-numeric: tabular-nums;
}

.detail-item__value.is-alert {
  color: var(--bi-danger);
}

.detail-item.full {
  grid-column: 1 / -1;
}

.detail-note {
  margin-top: 16px;
  padding: 10px 12px;
  background: var(--bi-primary-soft);
  border: 1px solid var(--bi-primary-border);
  border-radius: 8px;
  font-size: 12px;
  color: var(--bi-text-secondary);
  line-height: 1.55;
}

/* ---------- 响应式（PC 为主，窄屏降级） ---------- */
@media (max-width: 1200px) {
  .kpi-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .alert-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 768px) {
  .bi-page {
    padding: 12px;
  }

  .bi-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .kpi-grid,
  .alert-grid {
    grid-template-columns: 1fr;
  }

  .chart-box {
    height: 280px;
  }

  .detail-modal .detail-grid {
    grid-template-columns: 1fr;
  }
}