kcg-ai-monitoring/frontend/src/features/monitoring/MonitoringDashboard.tsx

import { useEffect, useState, useMemo, useRef, useCallback } from 'react';
import { useTranslation } from 'react-i18next';
import { Card, CardContent } from '@shared/components/ui/card';
import { Badge } from '@shared/components/ui/badge';
import {
  Activity, AlertTriangle, Ship, Eye, Anchor, Radar, Shield, Bell,
  Clock, Target, ChevronRight, Filter, MapPin, Calendar,
  Volume2, Search, RotateCcw,
} from 'lucide-react';
import type { LucideIcon } from 'lucide-react';
import { AreaChart, PieChart } from '@lib/charts';
import { useKpiStore } from '@stores/kpiStore';
import { useEventStore } from '@stores/eventStore';
import { getHourlyStats, type PredictionStatsHourly } from '@/services/kpi';
import { SystemStatusPanel } from './SystemStatusPanel';
import { BaseMap, createMarkerLayer, useMapLayers, type MapHandle, type MarkerData } from '@lib/map';
import maplibregl from 'maplibre-gl';

/**
 * SFR-12: 모니터링 및 경보 현황판(대시보드)
 *
 * RFP 정의:
 * 관할 구역별 위험도, 의심 선박·어구, 단속 계획·실적, 경보 상태 등을
 * 한눈에 확인할 수 있는 상황실 전용 대시보드 기능
 *
 * 기능①: 메인 통합 대시보드 (위험도 지도 + 의심선박/어구 + 경보 + 단속이력)
 * 기능②: 시각·청각적 경보 강조 (5등급 색상·깜박임·알림음)
 * 기능③: 필터링·Drill-down (관할해역·기간·경보유형·위험등급)
 */

// ─── Mock 데이터 ───
const MOCK_ALERTS = [
  { time: '14:28', type: 'Dark Vessel', level: 'CRITICAL', area: '서해 NLL', vessel: '미상선박', mmsi: '-' },
  { time: '14:12', type: 'AIS 조작', level: 'HIGH', area: '서해 5도', vessel: '冀黄港渔05001', mmsi: '412876001' },
  { time: '13:55', type: '공조 조업', level: 'CRITICAL', area: '서해 NLL', vessel: '鲁荣渔56555', mmsi: '412999888' },
  { time: '13:30', type: '협정선 접근', level: 'MEDIUM', area: '동해 EEZ', vessel: 'LIAO DONG 77', mmsi: '412345678' },
  { time: '12:44', type: '불법 어구', level: 'HIGH', area: '제주 남방', vessel: '-', mmsi: '-' },
  { time: '12:10', type: '금어기 조업', level: 'MEDIUM', area: '남해', vessel: '대한호', mmsi: '440987654' },
  { time: '11:35', type: 'Dark Vessel', level: 'HIGH', area: '서해 NLL', vessel: '미상선박-B', mmsi: '-' },
];

const MOCK_VESSELS = [
  { mmsi: '412999888', name: '鲁荣渔56555', type: 'Dark Vessel', lat: 37.20, lng: 124.63, risk: 5, time: '14:28', status: '경보발령' },
  { mmsi: '412876001', name: '冀黄港渔05001', type: 'AIS 조작', lat: 37.75, lng: 125.02, risk: 4, time: '14:12', status: '모니터링' },
  { mmsi: '412345678', name: 'LIAO DONG 77', type: '협정선 접근', lat: 36.80, lng: 129.50, risk: 3, time: '13:30', status: '모니터링' },
  { mmsi: '440987654', name: '대한호', type: '불법어구', lat: 34.50, lng: 128.20, risk: 3, time: '12:44', status: '확인중' },
  { mmsi: '-', name: '미상선박-B', type: 'Dark Vessel', lat: 37.50, lng: 124.80, risk: 4, time: '11:35', status: '추적중' },
  { mmsi: '412234567', name: 'MIN RONG 8', type: '공조 조업', lat: 36.20, lng: 125.30, risk: 5, time: '13:55', status: '경보발령' },
];

const RISK_COLORS: Record<number, string> = { 5: '#ef4444', 4: '#f97316', 3: '#eab308', 2: '#3b82f6', 1: '#06b6d4' };
const RISK_LABELS: Record<number, string> = { 5: '5등급(적)', 4: '4등급(주황)', 3: '3등급(황)', 2: '2등급(청)', 1: '1등급(녹)' };

const LV: Record<string, string> = {
  CRITICAL: 'text-red-400 bg-red-500/15 border-red-500/30',
  HIGH: 'text-orange-400 bg-orange-500/15 border-orange-500/30',
  MEDIUM: 'text-yellow-400 bg-yellow-500/15 border-yellow-500/30',
  LOW: 'text-blue-400 bg-blue-500/15 border-blue-500/30',
};
const LV_LABEL: Record<string, string> = { CRITICAL: '긴급', HIGH: '고위험', MEDIUM: '주의', LOW: '관심' };

// PIE 색상
const PIE_COLOR_MAP: Record<string, string> = {
  'EEZ 침범': '#ef4444', '다크베셀': '#f97316', 'MMSI 변조': '#eab308',
  '불법환적': '#a855f7', '어구 불법': '#6b7280',
};

export function MonitoringDashboard() {
  const { t } = useTranslation('dashboard');
  const kpiStore = useKpiStore();
  const eventStore = useEventStore();

  const [hourlyStats, setHourlyStats] = useState<PredictionStatsHourly[]>([]);

  // ─── 필터 상태 ───
  const [filterArea, setFilterArea] = useState('전국');
  const [filterPeriod, setFilterPeriod] = useState('금일');
  const [filterAlertType, setFilterAlertType] = useState('전체');
  const [filterRisk, setFilterRisk] = useState('전체');

  useEffect(() => { if (!kpiStore.loaded) kpiStore.load(); }, [kpiStore.loaded, kpiStore.load]);
  useEffect(() => { if (!eventStore.loaded) eventStore.load(); }, [eventStore.loaded, eventStore.load]);
  useEffect(() => { getHourlyStats(24).then(setHourlyStats).catch(() => setHourlyStats([])); }, []);

  // 24시간 추이 차트 데이터
  const TREND = useMemo(() => hourlyStats.map((h) => {
    const hourLabel = h.statHour ? `${new Date(h.statHour).getHours()}시` : '';
    let riskScore = 0, total = 0;
    if (h.byRiskLevel) {
      const weights: Record<string, number> = { CRITICAL: 100, HIGH: 70, MEDIUM: 40, LOW: 10 };
      Object.entries(h.byRiskLevel).forEach(([k, v]) => { const cnt = Number(v) || 0; riskScore += (weights[k.toUpperCase()] ?? 0) * cnt; total += cnt; });
    }
    return { h: hourLabel, risk: total > 0 ? Math.round(riskScore / total) : 0, alarms: (h.eventCount ?? 0) + (h.criticalCount ?? 0) };
  }), [hourlyStats]);

  // PIE 데이터
  const PIE = kpiStore.violationTypes.map((v) => ({ name: v.type, value: v.pct, color: PIE_COLOR_MAP[v.type] ?? '#6b7280' }));

  // ─── 지도: MapLibre 네이티브 마커 ───
  const mapRef = useRef<MapHandle>(null);
  const onMapReady = useCallback((map: maplibregl.Map) => {
    MOCK_VESSELS.forEach(v => {
      const color = RISK_COLORS[v.risk] ?? '#3b82f6';
      const el = document.createElement('div');
      el.style.cssText = 'display:flex;flex-direction:column;align-items:center;z-index:10;';
      const label = document.createElement('div');
      label.style.cssText = `font-size:9px;font-weight:800;color:${color};white-space:nowrap;text-shadow:-1px -1px 0 rgba(0,0,0,0.8),1px -1px 0 rgba(0,0,0,0.8),-1px 1px 0 rgba(0,0,0,0.8),1px 1px 0 rgba(0,0,0,0.8);margin-bottom:2px;`;
      label.textContent = `🚢 ${v.name}`;
      el.appendChild(label);
      const dot = document.createElement('div');
      const isAlert = v.risk >= 4;
      dot.style.cssText = `width:${isAlert ? 14 : 10}px;height:${isAlert ? 14 : 10}px;border-radius:50%;background:${color};border:2px solid rgba(255,255,255,0.8);box-shadow:0 0 8px ${color};${isAlert ? 'animation:pulse 1.5s infinite;' : ''}`;
      el.appendChild(dot);
      new maplibregl.Marker({ element: el, anchor: 'bottom' }).setLngLat([v.lng, v.lat]).addTo(map);
    });
  }, []);

  // 경보 깜박임 CSS
  const alertFlash = (level: string) => level === 'CRITICAL' ? 'animate-pulse' : '';

  const filterCls = "bg-surface-overlay border border-slate-700/50 rounded-lg px-2.5 py-1.5 text-[10px] text-heading focus:outline-none focus:border-blue-500/60 appearance-none";

  return (
    <div className="space-y-0">
      {/* ════════ 지도 중심 영역 (전체 폭, 높이 큼) ════════ */}
      <div className="relative">
        <BaseMap ref={mapRef} center={[36.0, 127.0]} zoom={6} height={560} forceTheme="light" onMapReady={onMapReady} />

        {/* 지도 위 오버레이: 헤더 + KPI */}
        <div className="absolute top-0 left-0 right-0 z-[1000] pointer-events-none">
          {/* 헤더 바 */}
          <div className="pointer-events-auto flex items-center justify-between px-5 py-2.5 bg-background/80 backdrop-blur-sm border-b border-border">
            <div className="flex items-center gap-2">
              <Activity className="w-5 h-5 text-green-400" />
              <h2 className="text-base font-bold text-heading">{t('monitoring.title')}</h2>
            </div>
            <div className="flex items-center gap-2 text-[10px] text-hint">
              <Clock className="w-3.5 h-3.5" />
              <span>{new Date().toLocaleString('ko-KR', { year: 'numeric', month: '2-digit', day: '2-digit', hour: '2-digit', minute: '2-digit' })}</span>
              <span className="text-heading font-medium ml-1">| {filterArea}</span>
            </div>
          </div>

          {/* KPI 4개 — 지도 위 상단 */}
          <div className="pointer-events-auto flex gap-2 px-5 py-2">
            {[
              { label: '오늘 경보', value: `${MOCK_ALERTS.length}건`, sub: '▲2', icon: Bell, color: '#ef4444' },
              { label: '의심 선박', value: `${MOCK_VESSELS.length}척`, sub: `고위험 ${MOCK_VESSELS.filter(v => v.risk >= 4).length}`, icon: Ship, color: '#f97316' },
              { label: '의심 어구', value: '12개', sub: '위반 4', icon: Anchor, color: '#eab308' },
              { label: '단속 완료', value: '3건', sub: '오늘', icon: Shield, color: '#10b981' },
            ].map(k => (
              <div key={k.label} className="flex items-center gap-2 px-3 py-2 bg-background/90 backdrop-blur-sm border border-border rounded-xl">
                <k.icon className="w-4 h-4" style={{ color: k.color }} />
                <span className="text-lg font-bold" style={{ color: k.color }}>{k.value}</span>
                <span className="text-[9px] text-hint">{k.label}</span>
                <span className="text-[8px] text-hint">({k.sub})</span>
              </div>
            ))}
          </div>
        </div>

        {/* 지도 위 오버레이: 필터 바 (하단) */}
        <div className="absolute bottom-0 left-0 right-0 z-[1000] pointer-events-auto px-5 py-2 bg-background/80 backdrop-blur-sm border-t border-border flex items-center gap-3">
          <Filter className="w-3.5 h-3.5 text-blue-400 shrink-0" />
          <select value={filterArea} onChange={e => setFilterArea(e.target.value)} className={filterCls} title="관할 해역">
            {['전국', '서해청', '남해청', '동해청', '제주청', '중부청'].map(v => <option key={v}>{v}</option>)}
          </select>
          <select value={filterPeriod} onChange={e => setFilterPeriod(e.target.value)} className={filterCls} title="기간">
            {['금일', '최근 24h', '최근 7일', '사용자 정의'].map(v => <option key={v}>{v}</option>)}
          </select>
          <select value={filterAlertType} onChange={e => setFilterAlertType(e.target.value)} className={filterCls} title="경보 유형">
            {['전체', 'AIS 조작', 'Dark Vessel', '공조 조업', '금어기', '협정선', '불법 어구'].map(v => <option key={v}>{v}</option>)}
          </select>
          <select value={filterRisk} onChange={e => setFilterRisk(e.target.value)} className={filterCls} title="위험 등급">
            {['전체', '5등급(긴급)', '4등급(고위험)', '3등급(주의)', '2등급(관심)', '1등급(참고)'].map(v => <option key={v}>{v}</option>)}
          </select>
          <button type="button" className="flex items-center gap-1 px-3 py-1.5 bg-blue-600 hover:bg-blue-500 rounded-lg text-[10px] text-heading font-medium transition-colors">
            <Search className="w-3 h-3" /> 검색
          </button>
          <button type="button" className="flex items-center gap-1 px-3 py-1.5 border border-border rounded-lg text-[10px] text-hint hover:text-label hover:bg-surface-overlay transition-colors">
            <RotateCcw className="w-3 h-3" /> 초기화
          </button>
          <div className="ml-auto text-[9px] text-hint">{MOCK_VESSELS.length}척 표시</div>
        </div>

        {/* 지도 위 오버레이: 범례 (좌측 하단 필터 위) */}
        <div className="absolute bottom-12 left-5 z-[1000] bg-background/90 backdrop-blur-sm border border-border rounded-lg px-3 py-2">
          <div className="text-[8px] text-hint font-bold mb-1">위험 등급</div>
          <div className="flex gap-2">
            {[5, 4, 3, 2, 1].map(r => (
              <div key={r} className="flex items-center gap-1">
                <div className="w-2.5 h-2.5 rounded-full" style={{ backgroundColor: RISK_COLORS[r] }} />
                <span className="text-[7px] text-muted-foreground">{RISK_LABELS[r]}</span>
              </div>
            ))}
          </div>
        </div>

        {/* 지도 위 오버레이: 최근 경보 (우측) */}
        <div className="absolute top-[88px] right-5 z-[1000] w-64 pointer-events-auto">
          <div className="bg-background/90 backdrop-blur-sm border border-border rounded-xl overflow-hidden">
            <div className="px-3 py-2 border-b border-border flex items-center gap-1.5">
              <Bell className="w-3 h-3 text-red-400" />
              <span className="text-[10px] font-bold text-heading">최근 경보</span>
              <span title="경보 알림음 활성"><Volume2 className="w-3 h-3 text-red-400 ml-auto animate-pulse" /></span>
            </div>
            <div className="p-1.5 space-y-1 max-h-[350px] overflow-y-auto">
              {MOCK_ALERTS.slice(0, 5).map((a, i) => (
                <div
                  key={i}
                  className={`flex items-center gap-1.5 px-2 py-1.5 rounded-lg cursor-pointer hover:bg-surface-overlay ${
                    a.level === 'CRITICAL' ? 'bg-red-500/10' : a.level === 'HIGH' ? 'bg-orange-500/10' : ''
                  } ${alertFlash(a.level)}`}
                >
                  <span className="text-[9px] text-hint font-mono w-9 shrink-0">{a.time}</span>
                  <span className={`px-1 py-0.5 rounded text-[7px] font-bold shrink-0 ${LV[a.level]}`}>{LV_LABEL[a.level]}</span>
                  <span className="text-[9px] text-heading font-medium truncate">{a.type}</span>
                </div>
              ))}
            </div>
          </div>
        </div>
      </div>

      {/* ════════ 지도 아래 정보 영역 ════════ */}
      <div className="p-5 space-y-4">
        {/* 시스템 상태 */}
        <SystemStatusPanel />

        {/* ── 기능① 단속 계획·실적 요약 (SFR-06 연계) + 경보 설정 요약 ── */}
        <div className="grid grid-cols-2 gap-3">
          {/* 단속 계획·실적 */}
          <Card>
            <CardContent className="p-4">
              <div className="text-[11px] font-bold text-heading mb-3 flex items-center gap-2">
                <Shield className="w-4 h-4 text-orange-400" /> 단속 계획·실적 요약 <span className="text-[8px] text-hint font-normal">(SFR-06 연계)</span>
              </div>
              <div className="grid grid-cols-4 gap-2">
                {[
                  { label: '금일 계획', value: '5건', color: 'text-blue-400' },
                  { label: '경보 발령', value: '2건', color: 'text-red-400' },
                  { label: '투입 함정', value: '10척', color: 'text-cyan-400' },
                  { label: '단속 완료', value: '3건', color: 'text-green-400' },
                ].map(s => (
                  <div key={s.label} className="bg-surface-overlay rounded-lg p-2.5 text-center">
                    <div className={`text-lg font-bold ${s.color}`}>{s.value}</div>
                    <div className="text-[9px] text-hint">{s.label}</div>
                  </div>
                ))}
              </div>
              <div className="mt-3 space-y-1.5">
                {[
                  { zone: '서해 NLL 인근', risk: 85, status: 'APPROVED', ships: '2척' },
                  { zone: '동해 EEZ 인근', risk: 65, status: 'DRAFT', ships: '1척' },
                  { zone: '제주 남방 해역', risk: 78, status: 'APPROVED', ships: '2척' },
                ].map(p => (
                  <div key={p.zone} className="flex items-center gap-2 px-3 py-1.5 bg-surface-overlay rounded-lg text-[10px]">
                    <span className="text-heading font-medium flex-1">{p.zone}</span>
                    <span className={`font-bold ${p.risk >= 80 ? 'text-red-400' : 'text-orange-400'}`}>{p.risk}점</span>
                    <span className="text-hint">{p.ships}</span>
                    <span className={`px-1.5 py-0.5 rounded text-[9px] ${p.status === 'APPROVED' ? 'bg-green-500/10 text-green-400' : 'bg-yellow-500/10 text-yellow-400'}`}>{p.status}</span>
                  </div>
                ))}
              </div>
            </CardContent>
          </Card>

          {/* 기능② 시각·청각적 경보 강조 설정 현황 */}
          <Card>
            <CardContent className="p-4">
              <div className="text-[11px] font-bold text-heading mb-3 flex items-center gap-2">
                <Volume2 className="w-4 h-4 text-red-400" /> 경보 강조 설정 현황 <span className="text-[8px] text-hint font-normal">(기능②)</span>
              </div>
              <div className="space-y-2">
                {[
                  { label: '5등급(긴급)', desc: '빨강 깜박임 + 3회 연속 경고음 + 팝업', color: 'bg-red-500', active: true },
                  { label: '4등급(고위험)', desc: '주황 강조 + 단일 알림음 + 팝업', color: 'bg-orange-500', active: true },
                  { label: '3등급(주의)', desc: '노랑 테두리 + 무음', color: 'bg-yellow-500', active: true },
                  { label: '2등급(관심)', desc: '파랑 테두리 + 무음', color: 'bg-blue-500', active: false },
                  { label: '1등급(참고)', desc: '회색 표시 + 로그만', color: 'bg-gray-500', active: false },
                ].map(s => (
                  <div key={s.label} className="flex items-center gap-2 px-3 py-2 bg-surface-overlay rounded-lg">
                    <div className={`w-3 h-3 rounded-full ${s.color} ${s.label.includes('긴급') ? 'animate-pulse' : ''}`} />
                    <span className="text-[10px] text-heading font-medium w-24">{s.label}</span>
                    <span className="text-[9px] text-hint flex-1">{s.desc}</span>
                    <div className={`w-8 h-4 rounded-full relative ${s.active ? 'bg-blue-600' : 'bg-slate-700'}`}>
                      <div className="w-3 h-3 bg-white rounded-full absolute top-0.5 shadow-sm" style={{ left: s.active ? '18px' : '2px' }} />
                    </div>
                  </div>
                ))}
              </div>
              <div className="mt-3 grid grid-cols-2 gap-2 text-[9px]">
                <div className="bg-surface-overlay rounded-lg p-2 flex items-center gap-2">
                  <span className="text-hint">팝업 토스트</span>
                  <span className="text-heading font-medium">30초 자동 소멸</span>
                </div>
                <div className="bg-surface-overlay rounded-lg p-2 flex items-center gap-2">
                  <span className="text-hint">야간 모드</span>
                  <span className="text-heading font-medium">밝기 자동 + 고대비</span>
                </div>
                <div className="bg-surface-overlay rounded-lg p-2 flex items-center gap-2 col-span-2">
                  <span className="text-hint">SFR-17 연계</span>
                  <span className="text-heading font-medium">경보 발령 즉시 현장 함정 AI 알림 자동 전송</span>
                </div>
              </div>
            </CardContent>
          </Card>
        </div>

        {/* 의심 선박 목록 */}
        <Card>
          <CardContent className="p-0">
            <div className="px-4 py-2.5 border-b border-border flex items-center gap-2">
              <Ship className="w-4 h-4 text-orange-400" />
              <span className="text-[11px] font-bold text-heading">의심 선박 목록</span>
              <span className="text-[9px] text-hint ml-auto">{MOCK_VESSELS.length}척</span>
            </div>
            <table className="w-full text-xs">
              <thead>
                <tr className="border-b border-border bg-surface-overlay">
                  {['MMSI', '선박명', '탐지유형', '위치', '위험도', '시각', '상태'].map(h => (
                    <th key={h} className="text-left px-4 py-2 text-hint font-medium">{h}</th>
                  ))}
                </tr>
              </thead>
              <tbody>
                {MOCK_VESSELS.map(v => (
                  <tr key={v.mmsi + v.name} className="border-b border-border hover:bg-surface-overlay/50 cursor-pointer transition-colors">
                    <td className="px-4 py-2 text-heading font-mono text-[10px]">{v.mmsi}</td>
                    <td className="px-4 py-2 text-heading font-medium">{v.name}</td>
                    <td className="px-4 py-2"><span className="px-1.5 py-0.5 rounded bg-red-500/10 text-red-400 text-[10px]">{v.type}</span></td>
                    <td className="px-4 py-2 text-label font-mono text-[10px]">{v.lat.toFixed(1)}°N {v.lng.toFixed(1)}°E</td>
                    <td className="px-4 py-2">
                      <span className="px-1.5 py-0.5 rounded text-[10px] font-bold" style={{ backgroundColor: `${RISK_COLORS[v.risk]}20`, color: RISK_COLORS[v.risk] }}>
                        {RISK_LABELS[v.risk]}
                      </span>
                    </td>
                    <td className="px-4 py-2 text-hint font-mono text-[10px]">{v.time}</td>
                    <td className="px-4 py-2">
                      <span className={`px-1.5 py-0.5 rounded text-[10px] font-medium ${
                        v.status === '경보발령' ? 'bg-red-500/10 text-red-400 animate-pulse' :
                        v.status === '추적중' ? 'bg-blue-500/10 text-blue-400' :
                        'bg-yellow-500/10 text-yellow-400'
                      }`}>{v.status}</span>
                    </td>
                  </tr>
                ))}
              </tbody>
            </table>
          </CardContent>
        </Card>

        {/* ── 기능③ Drill-down 안내 ── */}
        <Card>
          <CardContent className="p-4">
            <div className="text-[11px] font-bold text-heading mb-3 flex items-center gap-2">
              <Target className="w-4 h-4 text-cyan-400" /> Drill-down 기능 <span className="text-[8px] text-hint font-normal">(기능③)</span>
            </div>
            <div className="grid grid-cols-2 gap-3">
              <div className="bg-surface-overlay rounded-lg p-3 flex items-start gap-3">
                <MapPin className="w-5 h-5 text-blue-400 shrink-0 mt-0.5" />
                <div>
                  <div className="text-[10px] text-heading font-medium">지도 격자 클릭 → 구역 상세</div>
                  <div className="text-[9px] text-hint mt-0.5">특정 격자 선택 시 해당 구역의 의심 선박·어구 목록, 위험도 이력, 최근 단속 현황을 팝업으로 표시합니다.</div>
                </div>
              </div>
              <div className="bg-surface-overlay rounded-lg p-3 flex items-start gap-3">
                <Eye className="w-5 h-5 text-purple-400 shrink-0 mt-0.5" />
                <div>
                  <div className="text-[10px] text-heading font-medium">선박 클릭 → 탐지 근거(SHAP) + 항적 재생</div>
                  <div className="text-[9px] text-hint mt-0.5">의심 선박 선택 시 AI 탐지 근거(SHAP 기여도), 과거 항적 재생, 관련 경보 이력을 상세 패널로 제공합니다.</div>
                </div>
              </div>
            </div>
          </CardContent>
        </Card>

        {/* 차트: 24시간 추이 + 탐지 유형 분포 */}
        <div className="grid grid-cols-3 gap-3">
          <Card className="col-span-2"><CardContent className="p-4">
            <div className="text-[11px] font-bold text-heading mb-3 flex items-center gap-2">
              <Clock className="w-4 h-4 text-blue-400" /> 24시간 위험도·경보 추이
            </div>
            <AreaChart data={TREND} xKey="h" height={180} series={[
              { key: 'risk', name: '위험도', color: '#ef4444' },
              { key: 'alarms', name: '경보', color: '#3b82f6' },
            ]} />
          </CardContent></Card>
          <Card><CardContent className="p-4">
            <div className="text-[11px] font-bold text-heading mb-3">탐지 유형 분포</div>
            <PieChart data={PIE} height={120} innerRadius={25} outerRadius={48} />
            <div className="space-y-1 mt-2">
              {PIE.map(d => (
                <div key={d.name} className="flex justify-between text-[10px]">
                  <div className="flex items-center gap-1.5">
                    <div className="w-2 h-2 rounded-full" style={{ backgroundColor: d.color }} />
                    <span className="text-muted-foreground">{d.name}</span>
                  </div>
                  <span className="text-heading font-bold">{d.value}%</span>
                </div>
              ))}
            </div>
          </CardContent></Card>
        </div>

        {/* 실시간 이벤트 타임라인 */}
        <Card><CardContent className="p-4">
          <div className="text-[11px] font-bold text-heading mb-3 flex items-center gap-2">
            <Bell className="w-4 h-4 text-red-400" /> 실시간 이벤트 타임라인
          </div>
          <div className="space-y-1.5">
            {eventStore.events.slice(0, 6).map((e, i) => (
              <div key={i} className="flex items-center gap-3 px-3 py-2 bg-surface-overlay rounded-lg">
                <span className="text-[10px] text-hint font-mono w-10">{e.time.includes(' ') ? e.time.split(' ')[1].slice(0, 5) : e.time}</span>
                <Badge className={`border-0 text-[9px] w-16 text-center ${LV[e.level] ?? LV.LOW}`}>{e.level}</Badge>
                <span className="text-[11px] text-heading font-medium flex-1">{e.title}</span>
                <span className="text-[10px] text-hint">{e.detail}</span>
              </div>
            ))}
          </div>
        </CardContent></Card>
      </div>
    </div>
  );
}