DSDSWeb/src/views/statistics/index.vue

<template>
  <div class="main-dashboard">
    <div class="header">
      <h1>海洋科考数据统计分析</h1>
      <p>全面展示各类科考设备与平台的运行数据统计</p>
    </div>

    <el-row :gutter="20" class="stats-grid">
      <!-- 科考船汇总统计 -->
      <el-col :xs="24" :sm="12" :md="8">
        <el-card
          class="stat-card stat-card--nav stat-card--ship"
          shadow="never"
          @click.native="goToDetail('ships')"
        >
          <div class="stat-card__inner">
            <div class="stat-card__top">
              <div class="stat-card__icon-wrap" aria-hidden="true">
                <svg class="stat-card__icon" viewBox="0 0 24 24" fill="none" xmlns="http://www.w3.org/2000/svg">
                  <path d="M3 18h18v2H3v-2zm1-2h16l-2-9H6l-2 9z" stroke="currentColor" stroke-width="1.5" stroke-linejoin="round" />
                  <path d="M8 7V5a2 2 0 012-2h4a2 2 0 012 2v2" stroke="currentColor" stroke-width="1.5" stroke-linecap="round" />
                </svg>
              </div>
              <div class="stat-card__head-text">
                <h3 class="stat-card__title">科考船汇总统计</h3>
                <p class="stat-card__meta">
                  <span class="stat-card__badge">{{ ship.length }} 艘在册</span>
                </p>
              </div>
            </div>
            <div class="stat-metrics" :class="{ 'stat-metrics--loading': summaryLoading }">
              <div v-for="(m, idx) in shipMetrics" :key="'s'+idx" class="stat-metric">
                <span class="stat-metric__value">{{ m.display }}</span>
                <span class="stat-metric__label">{{ m.label }}</span>
              </div>
            </div>
            <p class="stat-card__fleet" :title="shipNamesJoined">{{ shipNamesJoined }}</p>
          </div>
        </el-card>
      </el-col>

      <!-- 载人潜水器汇总统计 -->
      <el-col :xs="24" :sm="12" :md="8">
        <el-card
          class="stat-card stat-card--nav stat-card--hov"
          shadow="never"
          @click.native="goToDetail('hov')"
        >
          <div class="stat-card__inner">
            <div class="stat-card__top">
              <div class="stat-card__icon-wrap" aria-hidden="true">
                <svg class="stat-card__icon" viewBox="0 0 24 24" fill="none" xmlns="http://www.w3.org/2000/svg">
                  <ellipse cx="12" cy="12" rx="7" ry="4" stroke="currentColor" stroke-width="1.5" />
                  <path d="M5 12h14M12 8v8" stroke="currentColor" stroke-width="1.5" stroke-linecap="round" />
                  <circle cx="12" cy="12" r="2" stroke="currentColor" stroke-width="1.5" />
                </svg>
              </div>
              <div class="stat-card__head-text">
                <h3 class="stat-card__title">载人潜水器汇总统计</h3>
                <p class="stat-card__meta">
                  <span class="stat-card__badge">{{ hov.length }} 艘在册</span>
                </p>
              </div>
            </div>
            <div class="stat-metrics" :class="{ 'stat-metrics--loading': summaryLoading }">
              <div v-for="(m, idx) in platformMetrics(hovSummary)" :key="'h'+idx" class="stat-metric">
                <span class="stat-metric__value">{{ m.display }}</span>
                <span class="stat-metric__label">{{ m.label }}</span>
              </div>
            </div>
            <p class="stat-card__fleet" :title="hovNamesJoined">{{ hovNamesJoined }}</p>
          </div>
        </el-card>
      </el-col>

      <!-- 遥控潜水器汇总统计 -->
      <el-col :xs="24" :sm="12" :md="8">
        <el-card
          class="stat-card stat-card--nav stat-card--rov"
          shadow="never"
          @click.native="goToDetail('rov')"
        >
          <div class="stat-card__inner">
            <div class="stat-card__top">
              <div class="stat-card__icon-wrap" aria-hidden="true">
                <svg class="stat-card__icon" viewBox="0 0 24 24" fill="none" xmlns="http://www.w3.org/2000/svg">
                  <rect x="5" y="9" width="14" height="10" rx="2" stroke="currentColor" stroke-width="1.5" />
                  <path d="M9 14h6M12 11v6" stroke="currentColor" stroke-width="1.5" stroke-linecap="round" />
                  <path d="M19 13v4M3 13v4" stroke="currentColor" stroke-width="1.5" stroke-linecap="round" />
                </svg>
              </div>
              <div class="stat-card__head-text">
                <h3 class="stat-card__title">遥控潜水器汇总统计</h3>
                <p class="stat-card__meta">
                  <span class="stat-card__badge">{{ rov.length }} 艘在册</span>
                </p>
              </div>
            </div>
            <div class="stat-metrics" :class="{ 'stat-metrics--loading': summaryLoading }">
              <div v-for="(m, idx) in platformMetrics(rovSummary)" :key="'r'+idx" class="stat-metric">
                <span class="stat-metric__value">{{ m.display }}</span>
                <span class="stat-metric__label">{{ m.label }}</span>
              </div>
            </div>
            <p class="stat-card__fleet" :title="rovNamesJoined">{{ rovNamesJoined }}</p>
          </div>
        </el-card>
      </el-col>

      <!-- 无人航行潜水器汇总统计 -->
      <el-col :xs="24" :sm="12" :md="8">
        <el-card
          class="stat-card stat-card--nav stat-card--uuv"
          shadow="never"
          @click.native="goToDetail('auv')"
        >
          <div class="stat-card__inner">
            <div class="stat-card__top">
              <div class="stat-card__icon-wrap" aria-hidden="true">
                <svg class="stat-card__icon" viewBox="0 0 24 24" fill="none" xmlns="http://www.w3.org/2000/svg">
                  <path d="M4 12c2-4 6-6 8-6s6 2 8 6c-2 4-6 6-8 6s-6-2-8-6z" stroke="currentColor" stroke-width="1.5" stroke-linejoin="round" />
                  <circle cx="12" cy="12" r="2" stroke="currentColor" stroke-width="1.5" />
                </svg>
              </div>
              <div class="stat-card__head-text">
                <h3 class="stat-card__title">无人航行潜水器汇总统计</h3>
                <p class="stat-card__meta">
                  <span class="stat-card__badge">{{ uuv.length }} 艘在册</span>
                </p>
              </div>
            </div>
            <div class="stat-metrics" :class="{ 'stat-metrics--loading': summaryLoading }">
              <div v-for="(m, idx) in platformMetrics(uuvSummary)" :key="'u'+idx" class="stat-metric">
                <span class="stat-metric__value">{{ m.display }}</span>
                <span class="stat-metric__label">{{ m.label }}</span>
              </div>
            </div>
            <p class="stat-card__fleet" :title="uuvNamesJoined">{{ uuvNamesJoined }}</p>
          </div>
        </el-card>
      </el-col>

      <!-- 参航单位统计（无人航行潜水器） -->
      <el-col :xs="24" :sm="12" :md="8">
        <el-card
          class="stat-card stat-card--nav stat-card--uuv-unit"
          shadow="never"
          @click.native="goToDetail('uuvUnit')"
        >
          <div class="stat-card__inner">
            <div class="stat-card__top">
              <div class="stat-card__icon-wrap" aria-hidden="true">
                <svg class="stat-card__icon" viewBox="0 0 24 24" fill="none" xmlns="http://www.w3.org/2000/svg">
                  <path d="M3 8l9-5 9 5-9 5-9-5z" stroke="currentColor" stroke-width="1.5" stroke-linejoin="round" />
                  <path d="M3 8v8l9 5 9-5V8" stroke="currentColor" stroke-width="1.5" stroke-linejoin="round" />
                </svg>
              </div>
              <div class="stat-card__head-text">
                <h3 class="stat-card__title">参航单位统计</h3>
                <p class="stat-card__meta">
                  <span class="stat-card__badge">{{ uuvUnitBadge }} 家</span>
                </p>
              </div>
            </div>
            <div class="stat-metrics" :class="{ 'stat-metrics--loading': summaryLoading }">
              <div v-for="(m, idx) in uuvUnitCardMetrics" :key="'uu'+idx" class="stat-metric">
                <span class="stat-metric__value">{{ m.display }}</span>
                <span class="stat-metric__label">{{ m.label }}</span>
              </div>
            </div>
            <p class="stat-card__fleet" :title="uuvNamesJoined">单位汇总与参航单位详情页一致 · 点击查看</p>
          </div>
        </el-card>
      </el-col>

      <!-- 参行科学家统计（无人航行潜水器） -->
      <el-col :xs="24" :sm="12" :md="8">
        <el-card
          class="stat-card stat-card--nav stat-card--uuv-scientist"
          shadow="never"
          @click.native="goToDetail('uuvMember')"
        >
          <div class="stat-card__inner">
            <div class="stat-card__top">
              <div class="stat-card__icon-wrap" aria-hidden="true">
                <svg class="stat-card__icon" viewBox="0 0 24 24" fill="none" xmlns="http://www.w3.org/2000/svg">
                  <path d="M9 21h6" stroke="currentColor" stroke-width="1.5" stroke-linecap="round" />
                  <path d="M10 17l-2-2 2-6h4l2 6-2 2" stroke="currentColor" stroke-width="1.5" stroke-linejoin="round" />
                  <path d="M9 9V7a3 3 0 016 0v2" stroke="currentColor" stroke-width="1.5" stroke-linecap="round" />
                </svg>
              </div>
              <div class="stat-card__head-text">
                <h3 class="stat-card__title">参航科学家统计</h3>
                <p class="stat-card__meta">
                  <span class="stat-card__badge">{{ uuvScientistBadge }} 人</span>
                </p>
              </div>
            </div>
            <div class="stat-metrics" :class="{ 'stat-metrics--loading': summaryLoading }">
              <div v-for="(m, idx) in uuvScientistMetrics" :key="'ms'+idx" class="stat-metric">
                <span class="stat-metric__value">{{ m.display }}</span>
                <span class="stat-metric__label">{{ m.label }}</span>
              </div>
            </div>
            <p class="stat-card__fleet" :title="uuvNamesJoined">默认单位：中国科学院深海科学与工程研究所 · 点击查看详情</p>
          </div>
        </el-card>
      </el-col>

      <!-- 基站汇总统计 -->
      <el-col :xs="24" :sm="12" :md="8">
        <el-card class="stat-card stat-card--placeholder stat-card--station" shadow="never">
          <div class="stat-card__inner">
            <div class="stat-card__top">
              <div class="stat-card__icon-wrap" aria-hidden="true">
                <svg class="stat-card__icon" viewBox="0 0 24 24" fill="none" xmlns="http://www.w3.org/2000/svg">
                  <path d="M12 3l8 4v6c0 5-3.5 9-8 10-4.5-1-8-5-8-10V7l8-4z" stroke="currentColor" stroke-width="1.5" stroke-linejoin="round" />
                  <path d="M12 8v5" stroke="currentColor" stroke-width="1.5" stroke-linecap="round" />
                </svg>
              </div>
              <div class="stat-card__head-text">
                <h3 class="stat-card__title">基站汇总统计</h3>
                <p class="stat-card__meta">
                  <span class="stat-card__badge stat-card__badge--muted">敬请期待</span>
                </p>
              </div>
            </div>
            <div class="stat-placeholder">
              <span class="stat-placeholder__text">暂无数据</span>
            </div>
          </div>
        </el-card>
      </el-col>

      <!-- 着陆器汇总统计 -->
      <el-col :xs="24" :sm="12" :md="8">
        <el-card class="stat-card stat-card--placeholder stat-card--lander" shadow="never">
          <div class="stat-card__inner">
            <div class="stat-card__top">
              <div class="stat-card__icon-wrap" aria-hidden="true">
                <svg class="stat-card__icon" viewBox="0 0 24 24" fill="none" xmlns="http://www.w3.org/2000/svg">
                  <path d="M12 21s7-4.5 7-11a7 7 0 10-14 0c0 6.5 7 11 7 11z" stroke="currentColor" stroke-width="1.5" />
                  <circle cx="12" cy="10" r="2.5" stroke="currentColor" stroke-width="1.5" />
                </svg>
              </div>
              <div class="stat-card__head-text">
                <h3 class="stat-card__title">着陆器汇总统计</h3>
                <p class="stat-card__meta">
                  <span class="stat-card__badge stat-card__badge--muted">敬请期待</span>
                </p>
              </div>
            </div>
            <div class="stat-placeholder">
              <span class="stat-placeholder__text">暂无数据</span>
            </div>
          </div>
        </el-card>
      </el-col>
    </el-row>
  </div>
</template>

<script>
import {
  reportList,
  shipTotal,
  platformHov,
  platformRov,
  platformAuv,
  hovUnit,
  unitMember,
  unitTotal
} from '../../api/statistics'
import { filterDictItems } from '../../utils/index'

/**
 * 与 UuvMemberStatistics 默认统计单位一致
 * @type {string}
 */
const DEFAULT_MEMBER_STAT_UNIT_NAME = '中国科学院深海科学与工程研究所'

/**
 * @param {*} v 原始值
 * @returns {number}
 */
function num(v) {
  if (v == null || v === '') return 0
  const n = Number(v)
  return Number.isFinite(n) ? n : 0
}

/**
 * 将 unitTotal 按单位行聚合为卡片用汇总（与 UuvUnitStatistics 全量口径一致）。
 * @param {Object[]} list - report/unit/total.htm 的 array
 * @returns {{ unitCount: number, voyageSum: number, daysSum: number, memberSum: number, drvingSum: number }|null}
 */
function aggregateUnitTotalForCard(list) {
  if (!Array.isArray(list) || !list.length) return null
  return list.reduce(
    (acc, row) => ({
      unitCount: acc.unitCount + 1,
      voyageSum: acc.voyageSum + num(row.voyage_total),
      daysSum: acc.daysSum + num(row.voyage_days),
      memberSum: acc.memberSum + num(row.member_total),
      drvingSum: acc.drvingSum + num(row.drving_total)
    }),
    { unitCount: 0, voyageSum: 0, daysSum: 0, memberSum: 0, drvingSum: 0 }
  )
}

/**
 * 统计分析入口：展示各平台类型入口卡片及与子页一致的汇总指标
 */
export default {
  name: 'MainDashboard',
  data() {
    return {
      ship: [],
      hov: [],
      rov: [],
      uuv: [],
      /** 科考船汇总（与 ShipStatistics 顶部 banner 同源） */
      shipSummary: null,
      /** 载人潜水器汇总（与 HovStatistics 同源接口） */
      hovSummary: null,
      /** 遥控潜水器汇总 */
      rovSummary: null,
      /** 无人航行潜水器汇总 */
      uuvSummary: null,
      /** 参航科学家卡片：unitMember 聚合（默认单位） */
      memberScientistCard: null,
      /** 参航单位统计卡片：unitTotal 全表聚合（与 UuvUnitStatistics 同源） */
      uuvUnitCardAgg: null,
      summaryLoading: false
    }
  },
  computed: {
    shipNamesJoined() {
      return this.joinReportNames(this.ship)
    },
    hovNamesJoined() {
      return this.joinReportNames(this.hov)
    },
    rovNamesJoined() {
      return this.joinReportNames(this.rov)
    },
    uuvNamesJoined() {
      return this.joinReportNames(this.uuv)
    },
    /** 科考船四项核心指标展示行 */
    shipMetrics() {
      const s = this.shipSummary
      if (!s) {
        return [
          { label: '航次', display: '—' },
          { label: '航次天数', display: '—' },
          { label: '参航单位', display: '—' },
          { label: '数据样品', display: '—' }
        ]
      }
      return [
        { label: '航次', display: this.formatMetric(s.member_total) + ' 次' },
        { label: '航次天数', display: this.formatMetric(s.days_total) + ' 天' },
        { label: '参航单位', display: this.formatMetric(s.unit_total) + ' 家' },
        { label: '数据样品', display: this.formatMetric(s.dataset_total) + ' 个' }
      ]
    },
    /** 无人航行潜水器：参航单位数量（汇总接口兜底） */
    uuvUnitValue() {
      if (!this.uuvSummary) return '—'
      return this.formatMetric(this.uuvSummary.unit_total)
    },
    /** 参航单位卡片角标：优先 unitTotal 家数，否则 platformAuv 汇总 */
    uuvUnitBadge() {
      if (this.uuvUnitCardAgg != null) {
        return this.formatMetric(this.uuvUnitCardAgg.unitCount)
      }
      return this.uuvUnitValue
    },
    /**
     * 参航单位统计卡片四项指标（与参航单位详情页 Banner/汇总一致）
     * @returns {Array<{ label: string, display: string }>}
     */
    uuvUnitCardMetrics() {
      const a = this.uuvUnitCardAgg
      if (!a) {
        return [
          { label: '参航单位', display: '—' },
          { label: '参航人数', display: '—' },
          { label: '深潜次数', display: '—' },
          { label: '航行次数', display: '—' }
        ]
      }
      return [
        { label: '参航单位', display: this.formatMetric(a.unitCount) + ' 家' },
        { label: '参航人数', display: this.formatMetric(a.memberSum) + ' 人' },
        { label: '深潜次数', display: this.formatMetric(a.drvingSum) + ' 次' },
        { label: '航行次数', display: this.formatMetric(a.voyageSum) + ' 次' }
      ]
    },
    /** 无人航行潜水器：参航科学家数量（汇总接口兜底） */
    uuvScientistValue() {
      if (!this.uuvSummary) return '—'
      return this.formatMetric(this.uuvSummary.driver_member_total)
    },
    /** 卡片角标：优先 unitMember 科学家人数，否则汇总接口人数 */
    uuvScientistBadge() {
      if (this.memberScientistCard && this.memberScientistCard.scientistCount != null) {
        return this.formatMetric(this.memberScientistCard.scientistCount)
      }
      return this.uuvScientistValue
    },
    /**
     * 参航科学家卡片三项指标（与 Uuv 详情页 banner 一致）
     * @returns {Array<{ label: string, display: string }>}
     */
    uuvScientistMetrics() {
      const c = this.memberScientistCard
      if (!c) {
        return [
          { label: '科学家人数', display: '—' },
          { label: '累计参加航次', display: '—' },
          { label: '累计参航天数', display: '—' }
        ]
      }
      return [
        { label: '科学家人数', display: this.formatMetric(c.scientistCount) + ' 人' },
        { label: '累计参加航次', display: this.formatMetric(c.sumVoyage) + ' 次' },
        { label: '累计参航天数', display: this.formatMetric(c.sumDays) + ' 天' }
      ]
    }
  },
  created() {
    this.getTypeList()
    this.loadSummaries()
  },
  methods: {
    goToDetail(type) {
      this.$router.push(`/container/${type}`)
    },
    getTypeList() {
      reportList().then(res => {
        this.ship = filterDictItems(res.array, '科考船')
        this.hov = filterDictItems(res.array, '载人潜水器')
        this.rov = filterDictItems(res.array, '遥控潜水器')
        this.auv = filterDictItems(res.array, '无人航行潜水器')
      })
    },
    /**
     * 并行拉取各子页汇总接口，用于卡片内核心指标展示
     */
    loadSummaries() {
      this.summaryLoading = true
      const pMemberCard = hovUnit()
        .then(res => {
          const list = res.array || []
          const unit =
            list.find(u => u.unit_name === DEFAULT_MEMBER_STAT_UNIT_NAME) || list[0]
          if (!unit) return null
          const key = unit.unit_id != null && unit.unit_id !== '' ? unit.unit_id : unit.unit_name
          return unitMember({ unit: key })
        })
        .then(memberRes => {
          if (!memberRes || !Array.isArray(memberRes.array)) return null
          const arr = memberRes.array
          return {
            scientistCount: arr.length,
            sumVoyage: arr.reduce((s, m) => s + num(m.voyage_total), 0),
            sumDays: arr.reduce((s, m) => s + num(m.days_total), 0)
          }
        })
        .catch(() => null)

      const pUnitTotalCard = unitTotal({})
        .then(res => aggregateUnitTotalForCard(res && res.array ? res.array : []))
        .catch(() => null)

      Promise.all([
        shipTotal({}),
        platformHov({}),
        platformRov({}),
        platformAuv({}),
        pMemberCard,
        pUnitTotalCard
      ])
        .then(([shipRes, hovRes, rovRes, uuvRes, memberAgg, unitAgg]) => {
          this.shipSummary = (shipRes.array && shipRes.array[0]) || null
          this.hovSummary = (hovRes.array && hovRes.array[0]) || null
          this.rovSummary = (rovRes.array && rovRes.array[0]) || null
          this.uuvSummary = (uuvRes.array && uuvRes.array[0]) || null
          this.memberScientistCard = memberAgg
          this.uuvUnitCardAgg = unitAgg
        })
        .catch(() => {
          this.shipSummary = null
          this.hovSummary = null
          this.rovSummary = null
          this.uuvSummary = null
          this.memberScientistCard = null
          this.uuvUnitCardAgg = null
        })
        .finally(() => {
          this.summaryLoading = false
        })
    },
    joinReportNames(list) {
      if (!list || !list.length) return '—'
      return list.map(i => i.report_name).join('、')
    },
    /**
     * 载人/遥控/无人平台卡片指标（与子页 banner 字段一致）
     * @param {object|null} row - 接口 array[0]
     * @returns {Array<{ label: string, display: string }>}
     */
    platformMetrics(row) {
      if (!row) {
        return [
          { label: '潜次数', display: '—' },
          { label: '下潜人数', display: '—' },
          { label: '下潜单位', display: '—' },
          { label: '数据样品', display: '—' }
        ]
      }
      return [
        { label: '潜次数', display: this.formatMetric(row.diving_total) + ' 次' },
        { label: '下潜人数', display: this.formatMetric(row.driver_member_total) + ' 人' },
        { label: '下潜单位', display: this.formatMetric(row.unit_total) + ' 家' },
        { label: '数据样品', display: this.formatMetric(row.dataset_total) + ' 个' }
      ]
    },
    /**
     * @param {string|number|null|undefined} v
     * @returns {string}
     */
    formatMetric(v) {
      if (v === null || v === undefined || v === '') return '—'
      return String(v)
    }
  }
}
</script>

<style scoped lang="scss">
.main-dashboard {
  padding: 24px 20px 32px;
  min-height: calc(100vh - 130px);
  background: #e9eef4;
}

.header {
  text-align: center;
  margin-bottom: 28px;
}

.header h1 {
  color: #0f172a;
  font-size: 28px;
  margin: 0 0 10px;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.header p {
  color: #475569;
  font-size: 16px;
  margin: 0;
  line-height: 1.5;
}

.stats-grid {
  margin: 0 auto;
}

.stat-card {
  margin-bottom: 20px;
  border-radius: 12px;
  border: 1px solid #e2e8f0;
  background: #fff;
  min-height: 280px;
  transition:
    box-shadow 0.22s ease,
    border-color 0.22s ease,
    transform 0.22s ease;

  ::v-deep .el-card__body {
    padding: 0;
    height: 100%;
  }
}

.stat-card--nav {
  cursor: pointer;

  &:hover {
    transform: translateY(-3px);
    border-color: #cbd5e1;
    box-shadow: 0 14px 32px -12px rgba(15, 23, 42, 0.18);
  }
}

.stat-card--placeholder {
  cursor: default;
  opacity: 0.92;

  &:hover {
    transform: none;
    box-shadow: none;
    border-color: #e2e8f0;
  }
}

.stat-card__inner {
  padding: 18px 18px 16px;
  position: relative;
  min-height: 280px;
  display: flex;
  flex-direction: column;
}

/* 移除顶部描边（border-top） */

.stat-card__top {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  margin-bottom: 4px;
}

.stat-card__icon-wrap {
  width: 60px;
  height: 60px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.stat-card--ship .stat-card__icon-wrap {
  background: #eff6ff;
  color: #1d4ed8;
}

.stat-card--hov .stat-card__icon-wrap {
  background: #f0fdfa;
  color: #0d9488;
}

.stat-card--rov .stat-card__icon-wrap {
  background: #f5f3ff;
  color: #6d28d9;
}

.stat-card--uuv .stat-card__icon-wrap {
  background: #fffbeb;
  color: #b45309;
}

.stat-card--uuv-unit .stat-card__icon-wrap {
  background: #eff6ff;
  color: #1d4ed8;
}

.stat-card--uuv-scientist .stat-card__icon-wrap {
  background: #f5f3ff;
  color: #6d28d9;
}

.stat-card--station .stat-card__icon-wrap,
.stat-card--lander .stat-card__icon-wrap {
  background: #f1f5f9;
  color: #64748b;
}

.stat-card__icon {
  width: 32px;
  height: 32px;
}

.stat-card__head-text {
  flex: 1;
  min-width: 0;
}

.stat-card__title {
  font-size: 18px;
  font-weight: 600;
  color: #0f172a;
  margin: 0 0 6px;
  line-height: 1.35;
}

.stat-card__meta {
  margin: 0;
}

.stat-card__badge {
  display: inline-block;
  font-size: 13px;
  font-weight: 500;
  color: #475569;
  padding: 2px 8px;
  border-radius: 6px;
  background: #f1f5f9;
  letter-spacing: 0.02em;
}

.stat-card__badge--muted {
  color: #94a3b8;
  background: #f8fafc;
}

.stat-metrics {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
  margin-top: 14px;
  flex: 1;
}

.stat-metrics--loading .stat-metric {
  opacity: 0.55;
}

.stat-metric {
  padding: 12px 14px;
  border-radius: 8px;
  background: #f8fafc;
  border: 1px solid #f1f5f9;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.stat-metric__value {
  font-size: 20px;
  font-weight: 700;
  color: #0f172a;
  line-height: 1.2;
  font-variant-numeric: tabular-nums;
}

.stat-metric__label {
  font-size: 13px;
  font-weight: 500;
  color: #64748b;
  letter-spacing: 0.02em;
}

.stat-card__fleet {
  margin: 12px 0 0;
  font-size: 12px;
  color: #64748b;
  line-height: 1.45;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.stat-placeholder {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 160px;
  margin-top: 8px;
  border-radius: 8px;
  border: 1px dashed #cbd5e1;
  background: #f8fafc;
}

.stat-placeholder__text {
  font-size: 14px;
  font-weight: 500;
  color: #94a3b8;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.stat-card {
  animation: fadeInUp 0.45s ease forwards;
}

.el-col:nth-child(1) .stat-card {
  animation-delay: 0.05s;
}
.el-col:nth-child(2) .stat-card {
  animation-delay: 0.1s;
}
.el-col:nth-child(3) .stat-card {
  animation-delay: 0.15s;
}
.el-col:nth-child(4) .stat-card {
  animation-delay: 0.2s;
}
.el-col:nth-child(5) .stat-card {
  animation-delay: 0.25s;
}
.el-col:nth-child(6) .stat-card {
  animation-delay: 0.3s;
}

.el-col:nth-child(7) .stat-card {
  animation-delay: 0.35s;
}
.el-col:nth-child(8) .stat-card {
  animation-delay: 0.4s;
}

@media (max-width: 768px) {
  .stat-card {
    min-height: auto;
  }

  .stat-card__inner {
    min-height: auto;
  }
}
</style>