Add RFM segmentation analytics

src/pages/Rfm.tsx

@@ -0,0 +1,740 @@
+import { useCallback, useEffect, useMemo, useState } from 'react';
+import { Link, useOutletContext } from 'react-router-dom';
+import { Database, Download, Filter, Loader2, Search, Sparkles, Users } from 'lucide-react';
+import DateRangePicker from '../components/DateRangePicker';
+import { exportToCSV, fetchRfmAnalytics } from '../dataService';
+import type { DateRange, RfmAnalytics, RfmClient, RfmSegment } from '../types';
+
+const emptyClients: RfmClient[] = [];
+const emptySegments: RfmSegment[] = [];
+
+const segmentStyles: Record<string, { accent: string; bg: string; text: string }> = {
+  champions: { accent: 'bg-emerald-500', bg: 'bg-emerald-500/10', text: 'text-emerald-400' },
+  potential_loyalists: { accent: 'bg-sky-500', bg: 'bg-sky-500/10', text: 'text-sky-400' },
+  new_customers: { accent: 'bg-cyan-500', bg: 'bg-cyan-500/10', text: 'text-cyan-400' },
+  loyal_customers: { accent: 'bg-blue-500', bg: 'bg-blue-500/10', text: 'text-blue-400' },
+  need_attention: { accent: 'bg-amber-500', bg: 'bg-amber-500/10', text: 'text-amber-400' },
+  about_to_sleep: { accent: 'bg-orange-500', bg: 'bg-orange-500/10', text: 'text-orange-400' },
+  at_risk: { accent: 'bg-rose-500', bg: 'bg-rose-500/10', text: 'text-rose-400' },
+  hibernating: { accent: 'bg-fuchsia-500', bg: 'bg-fuchsia-500/10', text: 'text-fuchsia-400' },
+  lost: { accent: 'bg-zinc-500', bg: 'bg-zinc-500/10', text: 'text-zinc-400' }
+};
+
+const rfmSegmentDefinitions: Array<Pick<RfmSegment, 'key' | 'label'>> = [
+  { key: 'champions', label: 'Champions' },
+  { key: 'potential_loyalists', label: 'Potenciais Leais' },
+  { key: 'new_customers', label: 'Novos Clientes' },
+  { key: 'loyal_customers', label: 'Clientes Leais' },
+  { key: 'need_attention', label: 'Precisam de Atenção' },
+  { key: 'about_to_sleep', label: 'Quase Dormindo' },
+  { key: 'at_risk', label: 'Em Risco' },
+  { key: 'hibernating', label: 'Hibernando' },
+  { key: 'lost', label: 'Perdidos' }
+];
+
+const segmentDescriptions: Record<string, string> = {
+  champions: 'Recentes, frequentes e valiosos',
+  potential_loyalists: 'Recentes com bom potencial',
+  new_customers: 'Primeira compra recente',
+  loyal_customers: 'Valiosos, mas menos recentes',
+  need_attention: 'Base intermediária para nutrir',
+  about_to_sleep: 'Baixo valor começando a esfriar',
+  at_risk: 'Valiosos sem compra recente',
+  hibernating: 'Sem compra recente e valor médio',
+  lost: 'Baixa atividade e distante'
+};
+
+const segmentActions: Record<string, string> = {
+  champions: 'Oferecer acesso antecipado, benefícios VIP e lançamentos.',
+  potential_loyalists: 'Estimular a próxima compra com recomendações personalizadas.',
+  new_customers: 'Enviar boas-vindas e incentivo para a segunda compra.',
+  loyal_customers: 'Manter relacionamento com ofertas relevantes e recorrentes.',
+  need_attention: 'Reativar interesse com campanha leve e produtos recentes.',
+  about_to_sleep: 'Enviar lembrete antes que o cliente esfrie completamente.',
+  at_risk: 'Priorizar recuperação com oferta forte ou contato direto.',
+  hibernating: 'Testar reativação de baixo custo com mensagem objetiva.',
+  lost: 'Evitar alto investimento; usar apenas campanhas ocasionais.'
+};
+
+const segmentByScore: Record<string, string> = {
+  '3-3': 'champions',
+  '3-2': 'potential_loyalists',
+  '3-1': 'new_customers',
+  '2-3': 'loyal_customers',
+  '2-2': 'need_attention',
+  '2-1': 'about_to_sleep',
+  '1-3': 'at_risk',
+  '1-2': 'hibernating',
+  '1-1': 'lost'
+};
+
+const demoClients: RfmClient[] = [
+  {
+    name: 'Ana Paula Ribeiro',
+    phone: '+55 11 90000-0001',
+    monetary: 4820,
+    frequency: 12,
+    quantityPurchased: 38,
+    lastPurchaseDate: '2026-06-10',
+    recencyDays: 1,
+    recencyScore: 3,
+    frequencyScore: 3,
+    monetaryScore: 3,
+    valueScore: 3,
+    rfmScore: '333',
+    segmentKey: 'champions',
+    segmentLabel: 'Champions'
+  },
+  {
+    name: 'Bruno Ferreira',
+    phone: '+55 11 90000-0002',
+    monetary: 1680,
+    frequency: 5,
+    quantityPurchased: 14,
+    lastPurchaseDate: '2026-06-09',
+    recencyDays: 2,
+    recencyScore: 3,
+    frequencyScore: 2,
+    monetaryScore: 2,
+    valueScore: 2,
+    rfmScore: '322',
+    segmentKey: 'potential_loyalists',
+    segmentLabel: 'Potenciais Leais'
+  },
+  {
+    name: 'Carla Mendes',
+    phone: '+55 11 90000-0003',
+    monetary: 249,
+    frequency: 1,
+    quantityPurchased: 2,
+    lastPurchaseDate: '2026-06-08',
+    recencyDays: 3,
+    recencyScore: 3,
+    frequencyScore: 1,
+    monetaryScore: 1,
+    valueScore: 1,
+    rfmScore: '311',
+    segmentKey: 'new_customers',
+    segmentLabel: 'Novos Clientes'
+  },
+  {
+    name: 'Diego Nascimento',
+    phone: '+55 11 90000-0004',
+    monetary: 3920,
+    frequency: 10,
+    quantityPurchased: 31,
+    lastPurchaseDate: '2026-05-24',
+    recencyDays: 18,
+    recencyScore: 2,
+    frequencyScore: 3,
+    monetaryScore: 3,
+    valueScore: 3,
+    rfmScore: '233',
+    segmentKey: 'loyal_customers',
+    segmentLabel: 'Clientes Leais'
+  },
+  {
+    name: 'Elisa Costa',
+    phone: '+55 11 90000-0005',
+    monetary: 1210,
+    frequency: 4,
+    quantityPurchased: 9,
+    lastPurchaseDate: '2026-05-18',
+    recencyDays: 24,
+    recencyScore: 2,
+    frequencyScore: 2,
+    monetaryScore: 2,
+    valueScore: 2,
+    rfmScore: '222',
+    segmentKey: 'need_attention',
+    segmentLabel: 'Precisam de Atenção'
+  },
+  {
+    name: 'Felipe Azevedo',
+    phone: '+55 11 90000-0006',
+    monetary: 390,
+    frequency: 2,
+    quantityPurchased: 3,
+    lastPurchaseDate: '2026-05-12',
+    recencyDays: 30,
+    recencyScore: 2,
+    frequencyScore: 1,
+    monetaryScore: 1,
+    valueScore: 1,
+    rfmScore: '211',
+    segmentKey: 'about_to_sleep',
+    segmentLabel: 'Quase Dormindo'
+  },
+  {
+    name: 'Gabriela Martins',
+    phone: '+55 11 90000-0007',
+    monetary: 5350,
+    frequency: 14,
+    quantityPurchased: 44,
+    lastPurchaseDate: '2026-03-28',
+    recencyDays: 75,
+    recencyScore: 1,
+    frequencyScore: 3,
+    monetaryScore: 3,
+    valueScore: 3,
+    rfmScore: '133',
+    segmentKey: 'at_risk',
+    segmentLabel: 'Em Risco'
+  },
+  {
+    name: 'Henrique Lima',
+    phone: '+55 11 90000-0008',
+    monetary: 980,
+    frequency: 4,
+    quantityPurchased: 8,
+    lastPurchaseDate: '2026-03-06',
+    recencyDays: 97,
+    recencyScore: 1,
+    frequencyScore: 2,
+    monetaryScore: 2,
+    valueScore: 2,
+    rfmScore: '122',
+    segmentKey: 'hibernating',
+    segmentLabel: 'Hibernando'
+  },
+  {
+    name: 'Isabela Rocha',
+    phone: '+55 11 90000-0009',
+    monetary: 120,
+    frequency: 1,
+    quantityPurchased: 1,
+    lastPurchaseDate: '2026-01-29',
+    recencyDays: 133,
+    recencyScore: 1,
+    frequencyScore: 1,
+    monetaryScore: 1,
+    valueScore: 1,
+    rfmScore: '111',
+    segmentKey: 'lost',
+    segmentLabel: 'Perdidos'
+  }
+];
+
+const demoSegments: RfmSegment[] = rfmSegmentDefinitions.map(segment => {
+  const segmentClients = demoClients.filter(client => client.segmentKey === segment.key);
+  const totalRevenue = segmentClients.reduce((sum, client) => sum + client.monetary, 0);
+
+  return {
+    ...segment,
+    count: segmentClients.length,
+    totalRevenue,
+    averageRevenue: segmentClients.length ? totalRevenue / segmentClients.length : 0
+  };
+});
+
+const demoAnalytics: RfmAnalytics = {
+  range: {
+    start: '2026-01-01',
+    end: '2026-06-11'
+  },
+  clients: demoClients,
+  segments: demoSegments,
+  matrix: {
+    recencyScores: [3, 2, 1],
+    valueScores: [1, 2, 3]
+  }
+};
+
+const formatCurrency = (value: number) => {
+  return new Intl.NumberFormat('pt-BR', { style: 'currency', currency: 'BRL' }).format(value);
+};
+
+const formatDate = (value: string) => {
+  if (!value) return 'N/A';
+  return new Date(value).toLocaleDateString('pt-BR');
+};
+
+const scoreLabel = (score: number) => {
+  if (score === 3) return 'Alto';
+  if (score === 2) return 'Médio';
+  return 'Baixo';
+};
+
+const getSegment = (segments: RfmSegment[], key: string) => {
+  return segments.find(segment => segment.key === key);
+};
+
+const segmentForCell = (segments: RfmSegment[], recencyScore: number, valueScore: number) => {
+  const matrixKey = `${recencyScore}-${valueScore}`;
+  return getSegment(segments, segmentByScore[matrixKey]);
+};
+
+const ScoreBadge = ({ value }: { value: number }) => (
+  <span className="inline-flex h-7 w-7 items-center justify-center rounded-lg border border-dark-border bg-dark-input text-xs font-bold text-dark-text">
+    {value}
+  </span>
+);
+
+const Rfm = () => {
+  const { dateRange, setDateRange, refreshInterval, setRefreshInterval } = useOutletContext<{
+    dateRange: DateRange;
+    setDateRange: (range: DateRange) => void;
+    refreshInterval: number;
+    setRefreshInterval: (interval: number) => void;
+  }>();
+
+  const [analytics, setAnalytics] = useState<RfmAnalytics | null>(null);
+  const [isLoading, setIsLoading] = useState(true);
+  const [searchTerm, setSearchTerm] = useState('');
+  const [segmentFilter, setSegmentFilter] = useState('all');
+  const [selectedSegmentKey, setSelectedSegmentKey] = useState('');
+  const [isDemoMode, setIsDemoMode] = useState(false);
+
+  const loadRfm = useCallback(async (range: DateRange) => {
+    setIsLoading(true);
+    const data = await fetchRfmAnalytics(range);
+    setAnalytics(data);
+    setIsLoading(false);
+  }, []);
+
+  useEffect(() => {
+    // RFM is calculated server-side from the selected date range.
+    // eslint-disable-next-line react-hooks/set-state-in-effect
+    void loadRfm(dateRange);
+  }, [dateRange, loadRfm]);
+
+  useEffect(() => {
+    if (refreshInterval === 0) return;
+
+    const intervalId = setInterval(() => {
+      void loadRfm(dateRange);
+    }, refreshInterval);
+
+    return () => clearInterval(intervalId);
+  }, [dateRange, loadRfm, refreshInterval]);
+
+  const visibleAnalytics = isDemoMode ? demoAnalytics : analytics;
+  const clients = visibleAnalytics?.clients || emptyClients;
+  const segments = useMemo(() => {
+    const sourceSegments = visibleAnalytics?.segments || emptySegments;
+    return rfmSegmentDefinitions.map(definition => {
+      const segment = sourceSegments.find(item => item.key === definition.key);
+      return segment || {
+        ...definition,
+        count: 0,
+        totalRevenue: 0,
+        averageRevenue: 0
+      };
+    });
+  }, [visibleAnalytics]);
+
+  const toggleDemoMode = () => {
+    setIsDemoMode(current => !current);
+    setSegmentFilter('all');
+    setSearchTerm('');
+    setSelectedSegmentKey('');
+  };
+
+  const filteredClients = useMemo(() => {
+    const normalizedSearch = searchTerm.trim().toLowerCase();
+
+    return clients.filter(client => {
+      const matchesSegment = segmentFilter === 'all' || client.segmentKey === segmentFilter;
+      const matchesSearch = !normalizedSearch ||
+        client.name.toLowerCase().includes(normalizedSearch) ||
+        client.phone.toLowerCase().includes(normalizedSearch);
+
+      return matchesSegment && matchesSearch;
+    });
+  }, [clients, searchTerm, segmentFilter]);
+
+  const totals = useMemo(() => {
+    const totalRevenue = clients.reduce((sum, client) => sum + client.monetary, 0);
+    const activeSegments = segments.filter(segment => segment.count > 0).length;
+    const topSegment = [...segments].sort((a, b) => b.totalRevenue - a.totalRevenue)[0];
+
+    return { totalRevenue, activeSegments, topSegment };
+  }, [clients, segments]);
+
+  const segmentInsights = useMemo(() => {
+    return segments.reduce<Record<string, {
+      averageRecencyDays: number;
+      averageTicket: number;
+      customerPercent: number;
+      revenuePercent: number;
+      topClients: RfmClient[];
+    }>>((insights, segment) => {
+      const segmentClients = clients.filter(client => client.segmentKey === segment.key);
+      const totalOrders = segmentClients.reduce((sum, client) => sum + client.frequency, 0);
+      const totalRecency = segmentClients.reduce((sum, client) => sum + client.recencyDays, 0);
+
+      insights[segment.key] = {
+        averageRecencyDays: segmentClients.length ? totalRecency / segmentClients.length : 0,
+        averageTicket: totalOrders ? segment.totalRevenue / totalOrders : 0,
+        customerPercent: clients.length ? (segment.count / clients.length) * 100 : 0,
+        revenuePercent: totals.totalRevenue ? (segment.totalRevenue / totals.totalRevenue) * 100 : 0,
+        topClients: [...segmentClients].sort((a, b) => b.monetary - a.monetary).slice(0, 3)
+      };
+
+      return insights;
+    }, {});
+  }, [clients, segments, totals.totalRevenue]);
+
+  const selectedSegment = selectedSegmentKey ? getSegment(segments, selectedSegmentKey) : undefined;
+  const selectedSegmentStyle = segmentStyles[selectedSegment?.key || 'lost'] || segmentStyles.lost;
+  const selectedSegmentInsights = selectedSegment ? segmentInsights[selectedSegment.key] : null;
+
+  const handleExport = () => {
+    const exportData = filteredClients.map(client => ({
+      Cliente: client.name,
+      Telefone: client.phone,
+      Segmento: client.segmentLabel,
+      RFM: client.rfmScore,
+      Recencia: client.recencyScore,
+      Frequencia: client.frequencyScore,
+      Monetario: client.monetaryScore,
+      'Dias desde ultima compra': client.recencyDays,
+      Pedidos: client.frequency,
+      'Ticket medio (R$)': (client.frequency ? client.monetary / client.frequency : 0).toFixed(2).replace('.', ','),
+      'Total gasto (R$)': client.monetary.toFixed(2).replace('.', ','),
+      'Ultima compra': formatDate(client.lastPurchaseDate)
+    }));
+
+    exportToCSV(exportData, `rfm_${new Date().toISOString().split('T')[0]}.csv`);
+  };
+
+  return (
+    <div className="space-y-6">
+      <div className="flex flex-col xl:flex-row xl:items-center justify-between gap-4">
+        <div>
+          <h1 className="text-2xl font-bold mb-2 text-dark-text">RFM</h1>
+          <p className="text-dark-muted font-medium">Segmentação de clientes por recência, frequência e valor monetário.</p>
+        </div>
+
+        <div className="flex flex-col sm:flex-row flex-wrap gap-3 items-start sm:items-center">
+          <button
+            onClick={toggleDemoMode}
+            className={`inline-flex items-center justify-center gap-2 rounded-xl border px-4 py-2.5 text-sm font-bold transition-colors cursor-pointer ${
+              isDemoMode
+                ? 'border-amber-500/40 bg-amber-500/10 text-amber-300 hover:bg-amber-500/15'
+                : 'border-dark-border bg-dark-card text-dark-text hover:border-brand-primary'
+            }`}
+          >
+            {isDemoMode ? <Database className="h-4 w-4" /> : <Sparkles className="h-4 w-4" />}
+            {isDemoMode ? 'Voltar para dados reais' : 'Ver dados demo'}
+          </button>
+
+          <DateRangePicker
+            dateRange={dateRange}
+            onChange={setDateRange}
+            refreshInterval={refreshInterval}
+            setRefreshInterval={setRefreshInterval}
+            onManualRefresh={() => void loadRfm(dateRange)}
+          />
+        </div>
+      </div>
+
+      {isDemoMode && (
+        <div className="rounded-2xl border border-amber-500/30 bg-amber-500/10 px-4 py-3 text-sm font-semibold text-amber-200">
+          Visualização com dados fictícios. Nenhum cliente real ou dado do banco foi alterado.
+        </div>
+      )}
+
+      {!isDemoMode && isLoading && (
+        <div className="inline-flex items-center gap-2 rounded-xl border border-dark-border bg-dark-card px-3 py-2 text-sm font-semibold text-dark-muted">
+          <Loader2 className="h-4 w-4 animate-spin text-brand-primary" />
+          Atualizando RFM
+        </div>
+      )}
+
+      <div className="grid grid-cols-1 md:grid-cols-3 gap-6">
+        <div className="bg-dark-card p-6 rounded-2xl border border-dark-border shadow-sm">
+          <p className="text-dark-muted text-sm font-medium mb-1">Clientes Classificados</p>
+          <h3 className="text-3xl font-bold text-dark-text">{clients.length}</h3>
+        </div>
+        <div className="bg-dark-card p-6 rounded-2xl border border-dark-border shadow-sm">
+          <p className="text-dark-muted text-sm font-medium mb-1">Receita no Período</p>
+          <h3 className="text-3xl font-bold text-dark-text">{formatCurrency(totals.totalRevenue)}</h3>
+        </div>
+        <div className="bg-dark-card p-6 rounded-2xl border border-dark-border shadow-sm">
+          <p className="text-dark-muted text-sm font-medium mb-1">Segmentos Ativos</p>
+          <h3 className="text-3xl font-bold text-dark-text">{totals.activeSegments}</h3>
+          <p className="mt-1 text-xs font-semibold text-dark-muted">
+            Principal: {totals.topSegment?.label || 'N/A'}
+          </p>
+        </div>
+      </div>
+
+      <div className="grid grid-cols-1 xl:grid-cols-[minmax(0,1fr)_340px] gap-6">
+        <section className="bg-dark-card p-5 rounded-2xl border border-dark-border shadow-sm">
+          <div className="mb-4 flex flex-col gap-3 lg:flex-row lg:items-end lg:justify-between">
+            <div>
+              <h2 className="text-lg font-bold text-dark-text">Matriz RFM</h2>
+              <p className="text-sm font-medium text-dark-muted">Distribuição dos clientes por recência e valor.</p>
+            </div>
+            <div className="flex items-center gap-2 text-xs font-semibold text-dark-muted">
+              <span>Menor prioridade</span>
+              <span className="h-2 w-12 rounded-full bg-gradient-to-r from-rose-500 via-amber-400 to-emerald-500" />
+              <span>Maior prioridade</span>
+            </div>
+          </div>
+
+          <div className="overflow-x-auto">
+            <div className="grid min-w-[720px] grid-cols-[104px_repeat(3,minmax(0,1fr))] gap-2">
+              <div className="flex items-center justify-center rounded-xl border border-dark-border bg-dark-input/60 px-3 py-2.5 text-center">
+                <div>
+                  <p className="text-[10px] font-bold uppercase tracking-wider text-dark-muted">Eixos</p>
+                  <p className="text-xs font-semibold text-dark-text">Recência / Valor</p>
+                </div>
+              </div>
+            {[1, 2, 3].map(valueScore => (
+              <div key={valueScore} className="rounded-xl border border-dark-border bg-dark-input/70 px-3 py-2.5 text-center">
+                <p className="text-[10px] font-bold uppercase tracking-wider text-dark-muted">Valor {valueScore}</p>
+                <p className="text-xs font-bold text-dark-text">{scoreLabel(valueScore)}</p>
+              </div>
+            ))}
+
+            {[3, 2, 1].map(recencyScore => (
+              <div key={recencyScore} className="contents">
+                <div className="flex min-h-28 items-center justify-center rounded-xl border border-dark-border bg-dark-input/70 px-2.5 text-center">
+                  <div>
+                    <p className="text-[10px] font-bold uppercase tracking-wider text-dark-muted">Rec. {recencyScore}</p>
+                    <p className="text-xs font-bold text-dark-text">{scoreLabel(recencyScore)}</p>
+                    <p className="mt-1 text-[10px] font-semibold text-dark-muted">
+                      {recencyScore === 3 ? 'Compra recente' : recencyScore === 2 ? 'Intermediário' : 'Distante'}
+                    </p>
+                  </div>
+                </div>
+
+                {[1, 2, 3].map(valueScore => {
+                  const segment = segmentForCell(segments, recencyScore, valueScore);
+                  const style = segmentStyles[segment?.key || 'lost'];
+                  const isActive = segmentFilter === segment?.key;
+                  const intensity = segment?.count ? 'opacity-100' : 'opacity-75';
+
+                  return (
+                    <button
+                      key={`${recencyScore}-${valueScore}`}
+                      onClick={() => {
+                        setSegmentFilter(segment?.key || 'all');
+                        setSelectedSegmentKey(segment?.key || '');
+                      }}
+                      className={`group min-h-28 rounded-xl border p-3 text-left transition-all hover:-translate-y-0.5 hover:border-brand-primary cursor-pointer ${
+                        isActive ? 'border-brand-primary ring-1 ring-brand-primary/50' : 'border-dark-border'
+                      } ${style.bg} ${intensity}`}
+                    >
+                      <div className="flex h-full flex-col justify-between gap-3">
+                        <div>
+                          <div className="mb-2 flex items-start justify-between gap-2">
+                            <span className={`h-2 w-8 rounded-full ${style.accent}`} />
+                            <span className="rounded-md border border-dark-border bg-black/10 px-1.5 py-0.5 text-[10px] font-bold text-dark-muted">
+                              R{recencyScore} V{valueScore}
+                            </span>
+                          </div>
+                          <p className="text-sm font-bold text-dark-text">{segment?.label}</p>
+                          <p className="mt-1 truncate text-xs font-medium text-dark-muted">
+                            {segmentDescriptions[segment?.key || 'lost']}
+                          </p>
+                        </div>
+
+                        <div className="grid grid-cols-2 gap-2">
+                          <div>
+                            <p className="text-[10px] font-bold uppercase tracking-wider text-dark-muted">Clientes</p>
+                            <p className={`text-xl font-bold leading-none ${style.text}`}>{segment?.count || 0}</p>
+                          </div>
+                          <div>
+                            <p className="text-[10px] font-bold uppercase tracking-wider text-dark-muted">Receita</p>
+                            <p className="truncate text-xs font-bold text-dark-text">{formatCurrency(segment?.totalRevenue || 0)}</p>
+                          </div>
+                        </div>
+                      </div>
+                    </button>
+                  );
+                })}
+              </div>
+            ))}
+            </div>
+          </div>
+        </section>
+
+        <section className="bg-dark-card p-6 rounded-2xl border border-dark-border shadow-sm">
+          <h2 className="mb-5 text-lg font-bold text-dark-text">Segmentos</h2>
+          <div className="space-y-2">
+            {segments.map(segment => {
+              const style = segmentStyles[segment.key] || segmentStyles.lost;
+              return (
+                <button
+                  key={segment.key}
+                  onClick={() => {
+                    setSegmentFilter(segment.key);
+                    setSelectedSegmentKey(segment.key);
+                  }}
+                  className={`w-full rounded-xl border px-4 py-3 text-left transition-colors cursor-pointer ${
+                    segmentFilter === segment.key ? 'border-brand-primary bg-dark-input' : 'border-dark-border bg-transparent hover:border-brand-primary'
+                  }`}
+                >
+                  <div className="flex items-center justify-between gap-3">
+                    <div className="flex min-w-0 items-center gap-3">
+                      <span className={`h-2.5 w-2.5 shrink-0 rounded-full ${style.accent}`} />
+                      <span className="truncate text-sm font-bold text-dark-text">{segment.label}</span>
+                    </div>
+                    <span className={`text-sm font-bold ${style.text}`}>{segment.count}</span>
+                  </div>
+                  <p className="mt-1 text-xs font-semibold text-dark-muted">
+                    {(segmentInsights[segment.key]?.customerPercent || 0).toFixed(1)}% clientes · {formatCurrency(segment.totalRevenue)}
+                  </p>
+                </button>
+              );
+            })}
+          </div>
+        </section>
+      </div>
+
+      {selectedSegment && selectedSegmentInsights && (
+        <section className={`rounded-2xl border border-dark-border ${selectedSegmentStyle.bg} p-4 shadow-sm`}>
+          <div className="flex flex-col gap-4 xl:flex-row xl:items-center xl:justify-between">
+            <div className="min-w-0">
+              <div className="mb-1 flex items-center gap-2">
+                <span className={`h-2.5 w-2.5 rounded-full ${selectedSegmentStyle.accent}`} />
+                <p className={`text-xs font-bold uppercase tracking-widest ${selectedSegmentStyle.text}`}>Segmento selecionado</p>
+              </div>
+              <h3 className="text-lg font-bold text-dark-text">{selectedSegment.label}</h3>
+              <p className="mt-1 text-sm font-semibold text-dark-muted">{segmentActions[selectedSegment.key]}</p>
+            </div>
+
+            <div className="grid grid-cols-2 gap-3 sm:grid-cols-4 xl:w-[560px]">
+              <div className="rounded-xl border border-dark-border bg-black/10 p-3">
+                <p className="text-[10px] font-bold uppercase tracking-wider text-dark-muted">Clientes</p>
+                <p className="mt-1 text-base font-bold text-dark-text">{selectedSegmentInsights.customerPercent.toFixed(1)}%</p>
+              </div>
+              <div className="rounded-xl border border-dark-border bg-black/10 p-3">
+                <p className="text-[10px] font-bold uppercase tracking-wider text-dark-muted">Receita</p>
+                <p className="mt-1 text-base font-bold text-dark-text">{selectedSegmentInsights.revenuePercent.toFixed(1)}%</p>
+              </div>
+              <div className="rounded-xl border border-dark-border bg-black/10 p-3">
+                <p className="text-[10px] font-bold uppercase tracking-wider text-dark-muted">Ticket</p>
+                <p className="mt-1 text-base font-bold text-dark-text">{formatCurrency(selectedSegmentInsights.averageTicket)}</p>
+              </div>
+              <div className="rounded-xl border border-dark-border bg-black/10 p-3">
+                <p className="text-[10px] font-bold uppercase tracking-wider text-dark-muted">Recência</p>
+                <p className="mt-1 text-base font-bold text-dark-text">{selectedSegmentInsights.averageRecencyDays.toFixed(0)} dias</p>
+              </div>
+            </div>
+          </div>
+        </section>
+      )}
+
+      <section className="bg-dark-card border border-dark-border rounded-2xl overflow-hidden shadow-sm">
+        <div className="flex flex-col lg:flex-row lg:items-center justify-between gap-3 border-b border-dark-border p-4">
+          <div className="flex flex-col sm:flex-row gap-3">
+            <div className="relative">
+              <Filter className="absolute left-3 top-1/2 h-4 w-4 -translate-y-1/2 text-dark-muted" />
+              <select
+                value={segmentFilter}
+                onChange={(event) => setSegmentFilter(event.target.value)}
+                className="appearance-none bg-dark-input border border-dark-border text-dark-text text-sm rounded-xl pl-9 pr-8 py-2.5 focus:outline-none focus:border-brand-primary transition-colors shadow-sm cursor-pointer"
+              >
+                <option value="all">Todos os segmentos</option>
+                {segments.map(segment => (
+                  <option key={segment.key} value={segment.key}>{segment.label}</option>
+                ))}
+              </select>
+            </div>
+
+            <div className="relative">
+              <Search className="absolute left-3 top-1/2 h-5 w-5 -translate-y-1/2 text-dark-muted" />
+              <input
+                type="text"
+                placeholder="Buscar cliente..."
+                value={searchTerm}
+                onChange={(event) => setSearchTerm(event.target.value)}
+                className="w-full sm:w-72 bg-dark-input border border-dark-border text-dark-text rounded-xl pl-10 pr-4 py-2.5 focus:outline-none focus:border-brand-primary hover:border-brand-primary transition-colors shadow-sm"
+              />
+            </div>
+          </div>
+
+          <button
+            onClick={handleExport}
+            disabled={!filteredClients.length}
+            className="flex items-center justify-center gap-2 bg-dark-input border border-dark-border px-4 py-2.5 rounded-xl shadow-sm hover:border-brand-primary transition-colors text-sm font-medium text-dark-text cursor-pointer disabled:cursor-not-allowed disabled:opacity-50"
+            title="Exportar para CSV"
+          >
+            <Download size={16} className="text-brand-primary" />
+            Exportar
+          </button>
+        </div>
+
+        <div className="overflow-x-auto">
+          <table className="w-full text-left text-sm">
+            <thead className="bg-dark-header border-b border-dark-border text-dark-muted">
+              <tr>
+                <th className="px-6 py-4 font-bold uppercase tracking-wider text-[10px]">Cliente</th>
+                <th className="px-6 py-4 font-bold uppercase tracking-wider text-[10px]">Segmento</th>
+                <th className="px-6 py-4 font-bold uppercase tracking-wider text-[10px]">RFM</th>
+                <th className="px-6 py-4 font-bold uppercase tracking-wider text-[10px]">Última Compra</th>
+                <th className="px-6 py-4 font-bold uppercase tracking-wider text-[10px]">Pedidos</th>
+                <th className="px-6 py-4 font-bold uppercase tracking-wider text-[10px]">Ticket Médio</th>
+                <th className="px-6 py-4 font-bold uppercase tracking-wider text-[10px]">Total Gasto</th>
+              </tr>
+            </thead>
+            <tbody className="divide-y divide-dark-border">
+              {filteredClients.map((client: RfmClient) => {
+                const style = segmentStyles[client.segmentKey] || segmentStyles.lost;
+                return (
+                  <tr key={client.phone} className="hover:bg-dark-input/50 transition-colors">
+                    <td className="px-6 py-3">
+                      {isDemoMode ? (
+                        <div className="flex items-center gap-3">
+                          <span className="flex h-9 w-9 items-center justify-center rounded-xl bg-dark-input text-dark-muted">
+                            <Users className="h-4 w-4" />
+                          </span>
+                          <span>
+                            <span className="block font-bold text-dark-text">{client.name}</span>
+                            <span className="block text-xs font-medium text-dark-muted">{client.phone || 'N/A'}</span>
+                          </span>
+                        </div>
+                      ) : (
+                        <Link to={`/clients/${encodeURIComponent(client.name)}`} className="flex items-center gap-3 hover:text-brand-primary transition-colors">
+                          <span className="flex h-9 w-9 items-center justify-center rounded-xl bg-dark-input text-dark-muted">
+                            <Users className="h-4 w-4" />
+                          </span>
+                          <span>
+                            <span className="block font-bold text-dark-text">{client.name}</span>
+                            <span className="block text-xs font-medium text-dark-muted">{client.phone || 'N/A'}</span>
+                          </span>
+                        </Link>
+                      )}
+                    </td>
+                    <td className="px-6 py-3">
+                      <span className={`inline-flex items-center gap-2 rounded-full px-3 py-1 text-xs font-bold ${style.bg} ${style.text}`}>
+                        <span className={`h-2 w-2 rounded-full ${style.accent}`} />
+                        {client.segmentLabel}
+                      </span>
+                    </td>
+                    <td className="px-6 py-3">
+                      <div className="flex items-center gap-2">
+                        <ScoreBadge value={client.recencyScore} />
+                        <ScoreBadge value={client.frequencyScore} />
+                        <ScoreBadge value={client.monetaryScore} />
+                      </div>
+                    </td>
+                    <td className="px-6 py-3 text-dark-muted font-medium">
+                      {formatDate(client.lastPurchaseDate)}
+                      <span className="block text-xs">{client.recencyDays} dias</span>
+                    </td>
+                    <td className="px-6 py-3 text-dark-text font-bold">{client.frequency}</td>
+                    <td className="px-6 py-3 text-dark-text font-bold">{formatCurrency(client.frequency ? client.monetary / client.frequency : 0)}</td>
+                    <td className="px-6 py-3 text-brand-primary font-bold">{formatCurrency(client.monetary)}</td>
+                  </tr>
+                );
+              })}
+            </tbody>
+          </table>
+        </div>
+
+        {!filteredClients.length && (
+          <div className="p-8 text-center text-sm font-semibold text-dark-muted">
+            Nenhum cliente encontrado.
+          </div>
+        )}
+      </section>
+    </div>
+  );
+};
+
+export default Rfm;