diff --git a/frontend/src/pages/Asistente.tsx b/frontend/src/pages/Asistente.tsx
index e259fc3..690e573 100644
--- a/frontend/src/pages/Asistente.tsx
+++ b/frontend/src/pages/Asistente.tsx
@@ -8,6 +8,7 @@ import {
 } from "@copilotkit/react-core/v2";
 import { useCopilotAction } from "@copilotkit/react-core";
 import { Sparkles } from "lucide-react";
+import { PageHeader } from '@/components/page-header';
 import { SpendingSummaryCard, type SpendingSummaryArgs } from "@/components/chat/ChatCards";
 
 const STATIC_SUGGESTIONS = {
@@ -87,13 +88,11 @@ export default function Asistente() {
     // max-w wrapper are all min-h-0 flex columns) — no vh math.
     <div className="flex flex-1 min-h-0 flex-col">
       <div className="mb-4">
-        <h1 className="text-2xl font-bold tracking-tight flex items-center gap-2" style={{ fontFamily: "var(--font-heading)" }}>
-          <Sparkles className="w-5 h-5 text-primary" />
-          Asistente
-        </h1>
-        <p className="text-sm text-muted-foreground">
-          Pregúntale a WealthySmart sobre tus finanzas.
-        </p>
+        <PageHeader
+          icon={Sparkles}
+          title="Asistente"
+          subtitle="Pregúntale a WealthySmart sobre tus finanzas."
+        />
       </div>
 
       <div className="flex-1 min-h-0 rounded-xl border border-border overflow-hidden bg-card">
diff --git a/frontend/src/pages/Budget.tsx b/frontend/src/pages/Budget.tsx
index eb0f09f..1ab808f 100644
--- a/frontend/src/pages/Budget.tsx
+++ b/frontend/src/pages/Budget.tsx
@@ -12,6 +12,7 @@ import {
 import { useBudget } from '@/hooks/useBudget';
 import { Button } from '@/components/ui/button';
 import { Tabs, TabsContent, TabsList, TabsTrigger } from '@/components/ui/tabs';
+import { PageHeader } from '@/components/page-header';
 import ErrorState from '@/components/ErrorState';
 import PeriodNavigator from '@/components/PeriodNavigator';
 import MonthlyDetail from '@/components/budget/MonthlyDetail';
@@ -128,31 +129,32 @@ export default function Budget() {
   return (
     <div className="space-y-6">
       {/* Header */}
-      <div className="flex items-center justify-between">
-        <div className="flex items-center gap-3">
-          {cameFromProyecciones && (
-            <Button
-              variant="ghost"
-              size="sm"
-              className="mr-4 text-muted-foreground"
-              onClick={() => navigate('/proyecciones')}
-              aria-label="Volver a Proyecciones"
-            >
-              <ArrowLeft className="w-4 h-4 mr-1" aria-hidden="true" />
-              Proyecciones
-            </Button>
-          )}
-          <Calculator className="w-6 h-6 text-primary" />
-          <h1 className="text-2xl font-bold tracking-tight">Presupuesto</h1>
-        </div>
-        <PeriodNavigator
-          label={String(year)}
-          onPrev={() => setYear(year - 1)}
-          onNext={() => setYear(year + 1)}
-          prevDisabled={year <= MIN_YEAR}
-          nextDisabled={year >= MAX_YEAR}
-        />
-      </div>
+      {cameFromProyecciones && (
+        <Button
+          variant="ghost"
+          size="sm"
+          className="-mb-4 text-muted-foreground"
+          onClick={() => navigate('/proyecciones')}
+          aria-label="Volver a Proyecciones"
+        >
+          <ArrowLeft className="w-4 h-4 mr-1" aria-hidden="true" />
+          Proyecciones
+        </Button>
+      )}
+      <PageHeader
+        icon={Calculator}
+        title="Presupuesto"
+        subtitle="Proyección y transacciones del mes"
+        actions={
+          <PeriodNavigator
+            label={String(year)}
+            onPrev={() => setYear(year - 1)}
+            onNext={() => setYear(year + 1)}
+            prevDisabled={year <= MIN_YEAR}
+            nextDisabled={year >= MAX_YEAR}
+          />
+        }
+      />
 
       <Tabs defaultValue="overview">
         <TabsList>
diff --git a/frontend/src/pages/Financiamientos.tsx b/frontend/src/pages/Financiamientos.tsx
index 8dd7b38..e8e951e 100644
--- a/frontend/src/pages/Financiamientos.tsx
+++ b/frontend/src/pages/Financiamientos.tsx
@@ -19,6 +19,7 @@ import {
   TableRow,
 } from '@/components/ui/table';
 import ErrorState from '@/components/ErrorState';
+import { PageHeader } from '@/components/page-header';
 import ConvertToInstallmentsDialog from '@/components/transactions/ConvertToInstallmentsDialog';
 
 function formatDate(iso: string) {
@@ -104,14 +105,11 @@ export default function Financiamientos() {
 
   return (
     <div className="space-y-6">
-      <div className="flex items-center gap-3">
-        <Layers className="w-6 h-6 text-primary" />
-        <h1 className="text-2xl font-bold tracking-tight">Financiamientos</h1>
-      </div>
-      <p className="text-sm text-muted-foreground -mt-4">
-        Compras Tasa Cero pagadas en cuotas mensuales sin intereses. Las cuotas
-        futuras ya cuentan en el presupuesto de sus meses.
-      </p>
+      <PageHeader
+        icon={Layers}
+        title="Financiamientos"
+        subtitle="Compras Tasa Cero en cuotas sin intereses — las cuotas futuras ya cuentan en el presupuesto de sus meses."
+      />
 
       {/* Summary */}
       <div className="grid gap-4 sm:grid-cols-3">
diff --git a/frontend/src/pages/Pensions.tsx b/frontend/src/pages/Pensions.tsx
index 0627d75..45e86e8 100644
--- a/frontend/src/pages/Pensions.tsx
+++ b/frontend/src/pages/Pensions.tsx
@@ -1,6 +1,7 @@
 import { useState, useMemo, useCallback, useRef } from 'react';
 import { useQuery } from '@tanstack/react-query';
 import ErrorState from '@/components/ErrorState';
+import { PageHeader } from '@/components/page-header';
 import PensionAssumptionsDialog, { type PensionAssumptions } from '@/components/PensionAssumptionsDialog';
 import {
   LineChart,
@@ -103,7 +104,7 @@ const FUNDS_DEFAULT: Record<FundKey, FundDef> = {
     key: 'FCL',
     name: 'FCL',
     fullName: 'Fondo de Capitalización Laboral',
-    color: '#3b82f6',
+    color: 'var(--chart-5)',
     startBalance: 650_468,
     monthlyContribution: 150_000,
     annualRate: 7.5,
@@ -115,7 +116,7 @@ const FUNDS_DEFAULT: Record<FundKey, FundDef> = {
     key: 'ROP',
     name: 'ROP',
     fullName: 'Régimen Obligatorio de Pensiones',
-    color: '#10b981',
+    color: 'var(--chart-1)',
     startBalance: 18_684_765,
     monthlyContribution: 120_000,
     annualRate: 6.0,
@@ -127,7 +128,7 @@ const FUNDS_DEFAULT: Record<FundKey, FundDef> = {
     key: 'VOL',
     name: 'VOL',
     fullName: 'Fondo Voluntario',
-    color: '#f43f5e',
+    color: 'var(--chart-4)',
     startBalance: 2_500_381,
     monthlyContribution: 400_000,
     annualRate: 8.0,
@@ -480,17 +481,11 @@ export default function Pensions() {
         />
       )}
       {/* ── Page Header ─────────────────────────────────────────────────── */}
-      <div className="flex items-center gap-3">
-        <div className="w-10 h-10 rounded-lg bg-primary/10 flex items-center justify-center">
-          <PiggyBank className="w-5 h-5 text-primary" />
-        </div>
-        <div>
-          <h1 className="text-2xl font-bold font-heading">Pensiones</h1>
-          <p className="text-sm text-muted-foreground">
-            Seguimiento de aportes, rendimientos y proyecciones
-          </p>
-        </div>
-      </div>
+      <PageHeader
+        icon={PiggyBank}
+        title="Pensiones"
+        subtitle="Seguimiento de aportes, rendimientos y proyecciones"
+      />
 
       {/* ── Section 1: Fund Overview Cards ──────────────────────────────── */}
       <section className="space-y-3">
@@ -606,7 +601,7 @@ export default function Pensions() {
                     className="flex items-center gap-1.5 px-3 py-1.5 rounded-full text-xs font-medium transition-all border cursor-pointer focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-ring"
                     style={{
                       borderColor: fund.color,
-                      background: active ? fund.color + '22' : 'transparent',
+                      background: active ? `color-mix(in oklab, ${fund.color} 13%, transparent)` : 'transparent',
                       color: active ? fund.color : 'var(--muted-foreground)',
                     }}
                   >
@@ -652,6 +647,7 @@ export default function Pensions() {
                       stroke={FUNDS[key].color}
                       strokeWidth={2}
                       dot={false}
+                      isAnimationActive={false}
                       activeDot={{ r: 4 }}
                     />
                   ) : null,
diff --git a/frontend/src/pages/Planificador.tsx b/frontend/src/pages/Planificador.tsx
index 3ba1b3e..f524dcc 100644
--- a/frontend/src/pages/Planificador.tsx
+++ b/frontend/src/pages/Planificador.tsx
@@ -4,6 +4,8 @@ import { Line, LineChart, XAxis, YAxis } from 'recharts';
 import { Telescope } from 'lucide-react';
 
 import { getYearlyProjection } from '@/lib/api';
+import { PageHeader } from '@/components/page-header';
+import { StatTile } from '@/components/stat-tile';
 import { Card, CardContent, CardHeader, CardTitle } from '@/components/ui/card';
 import { Input } from '@/components/ui/input';
 import { Label } from '@/components/ui/label';
@@ -78,15 +80,11 @@ export default function Planificador() {
 
   return (
     <div className="space-y-6">
-      <div className="flex items-center gap-3">
-        <Telescope className="w-6 h-6 text-primary" aria-hidden="true" />
-        <div>
-          <h1 className="text-2xl font-bold tracking-tight">Planificador</h1>
-          <p className="text-sm text-muted-foreground">
-            ¿Qué pasa si ahorrás un poco más cada mes?
-          </p>
-        </div>
-      </div>
+      <PageHeader
+        icon={Telescope}
+        title="Planificador"
+        subtitle="¿Qué pasa si ahorrás un poco más cada mes?"
+      />
 
       <Card>
         <CardContent className="p-4 grid grid-cols-2 lg:grid-cols-4 gap-4">
@@ -138,41 +136,18 @@ export default function Planificador() {
       </Card>
 
       <div className="grid grid-cols-1 sm:grid-cols-3 gap-4">
-        <Card>
-          <CardContent className="p-4">
-            <p className="text-xs text-muted-foreground uppercase tracking-wider">
-              Ritmo actual
-            </p>
-            <p data-sensitive className="text-xl font-bold font-mono">
-              {formatCRC(baselineEnd)}
-            </p>
-          </CardContent>
-        </Card>
-        <Card>
-          <CardContent className="p-4">
-            <p className="text-xs text-muted-foreground uppercase tracking-wider">
-              Escenario
-            </p>
-            <p data-sensitive className="text-xl font-bold font-mono text-primary">
-              {formatCRC(scenarioEnd)}
-            </p>
-          </CardContent>
-        </Card>
-        <Card>
-          <CardContent className="p-4">
-            <p className="text-xs text-muted-foreground uppercase tracking-wider">
-              Diferencia
-            </p>
-            <p data-sensitive className="text-xl font-bold font-mono text-emerald-500">
-              +{formatCRC(scenarioEnd - baselineEnd)}
-            </p>
-          </CardContent>
-        </Card>
+        <StatTile label="Ritmo actual" value={formatCRC(baselineEnd)} />
+        <StatTile label="Escenario" value={formatCRC(scenarioEnd)} />
+        <StatTile
+          label="Diferencia"
+          value={`+${formatCRC(scenarioEnd - baselineEnd)}`}
+          className="[&_span[data-sensitive]]:text-primary"
+        />
       </div>
 
       <Card>
         <CardHeader>
-          <CardTitle className="text-sm uppercase tracking-wider text-muted-foreground">
+          <CardTitle className="text-sm font-medium text-muted-foreground">
             Crecimiento comparado
           </CardTitle>
         </CardHeader>
@@ -191,8 +166,8 @@ export default function Planificador() {
                   <ChartTooltipContent formatter={(value) => formatCRC(Number(value))} />
                 }
               />
-              <Line type="monotone" dataKey="baseline" stroke="var(--chart-2)" dot={false} strokeWidth={2} />
-              <Line type="monotone" dataKey="scenario" stroke="var(--chart-1)" dot={false} strokeWidth={2} />
+              <Line type="monotone" dataKey="baseline" stroke="var(--chart-2)" dot={false} strokeWidth={2} isAnimationActive={false} />
+              <Line type="monotone" dataKey="scenario" stroke="var(--chart-1)" dot={false} strokeWidth={2} isAnimationActive={false} />
             </LineChart>
           </ChartContainer>
           <p className="text-xs text-muted-foreground mt-2">
diff --git a/frontend/src/pages/Proyecciones.tsx b/frontend/src/pages/Proyecciones.tsx
index 0f2b692..c749393 100644
--- a/frontend/src/pages/Proyecciones.tsx
+++ b/frontend/src/pages/Proyecciones.tsx
@@ -5,6 +5,7 @@ import { useBudget } from '@/hooks/useBudget';
 import { formatAmount } from '@/lib/format';
 import { cn } from '@/lib/utils';
 import { Card, CardContent } from '@/components/ui/card';
+import { PageHeader } from '@/components/page-header';
 import ErrorState from '@/components/ErrorState';
 import PeriodNavigator from '@/components/PeriodNavigator';
 import YearlyOverview from '@/components/budget/YearlyOverview';
@@ -30,20 +31,20 @@ export default function Proyecciones() {
 
   return (
     <div className="space-y-6">
-      {/* Header */}
-      <div className="flex items-center justify-between">
-        <div className="flex items-center gap-3">
-          <TrendingUp className="w-6 h-6 text-primary" />
-          <h1 className="text-2xl font-bold tracking-tight">Proyecciones</h1>
-        </div>
-        <PeriodNavigator
-          label={String(year)}
-          onPrev={() => setYear(year - 1)}
-          onNext={() => setYear(year + 1)}
-          prevDisabled={year <= MIN_YEAR}
-          nextDisabled={year >= MAX_YEAR}
-        />
-      </div>
+      <PageHeader
+        icon={TrendingUp}
+        title="Proyecciones"
+        subtitle="Presupuesto anual mes a mes"
+        actions={
+          <PeriodNavigator
+            label={String(year)}
+            onPrev={() => setYear(year - 1)}
+            onNext={() => setYear(year + 1)}
+            prevDisabled={year <= MIN_YEAR}
+            nextDisabled={year >= MAX_YEAR}
+          />
+        }
+      />
 
       {/* Annual summary cards */}
       {projection && (
diff --git a/frontend/src/pages/ServiciosMunicipales.tsx b/frontend/src/pages/ServiciosMunicipales.tsx
index 2a21720..8db80ce 100644
--- a/frontend/src/pages/ServiciosMunicipales.tsx
+++ b/frontend/src/pages/ServiciosMunicipales.tsx
@@ -2,6 +2,7 @@ import { useState, useCallback, useRef, useMemo } from 'react';
 import { useQuery } from '@tanstack/react-query';
 import { MONTH_NAMES_ES_SHORT as MONTH_NAMES_ES } from '@/lib/dates';
 import MeterLabelsDialog from '@/components/MeterLabelsDialog';
+import { PageHeader } from '@/components/page-header';
 import ErrorState from '@/components/ErrorState';
 import {
   BarChart,
@@ -51,13 +52,13 @@ import {
 // ─── Constants ───────────────────────────────────────────────────────────────
 
 const METER_COLORS: Record<string, string> = {
-  '7335': '#3b82f6',
-  '7345': '#10b981',
-  '9345': '#f59e0b',
+  '7335': 'var(--chart-5)',
+  '7345': 'var(--chart-1)',
+  '9345': 'var(--chart-2)',
 };
 
 
-const DEFAULT_METER_COLOR = '#8b5cf6';
+const DEFAULT_METER_COLOR = 'var(--chart-3)';
 
 // ─── Utilities ───────────────────────────────────────────────────────────────
 
@@ -105,8 +106,11 @@ function getMeterIds(readings: WaterMeterReading[]): string[] {
 
 // ─── Charge Trend Data ───────────────────────────────────────────────────────
 
+// Fixed categorical slots (validated palette); series beyond the 5th read
+// muted — never cycle hues.
 const CHARGE_COLORS = [
-  '#ef4444', '#f59e0b', '#10b981', '#3b82f6', '#8b5cf6', '#ec4899', '#06b6d4', '#84cc16',
+  'var(--chart-1)', 'var(--chart-2)', 'var(--chart-3)', 'var(--chart-4)',
+  'var(--chart-5)', 'var(--muted-foreground)',
 ];
 
 interface ChargeTrendPoint {
@@ -306,17 +310,11 @@ export default function ServiciosMunicipales() {
         />
       )}
       {/* ── Page Header ─────────────────────────────────────────────────── */}
-      <div className="flex items-center gap-3">
-        <div className="w-10 h-10 rounded-lg bg-primary/10 flex items-center justify-center">
-          <Droplets className="w-5 h-5 text-primary" />
-        </div>
-        <div>
-          <h1 className="text-2xl font-bold font-heading">Servicios Municipales</h1>
-          <p className="text-sm text-muted-foreground">
-            Municipalidad de Belén — recibos y consumo de agua
-          </p>
-        </div>
-      </div>
+      <PageHeader
+        icon={Droplets}
+        title="Municipalidad"
+        subtitle="Municipalidad de Belén — recibos y consumo de agua"
+      />
 
       {/* ── Summary Cards ───────────────────────────────────────────────── */}
       <section className="grid grid-cols-2 sm:grid-cols-4 gap-3">
@@ -546,7 +544,7 @@ export default function ServiciosMunicipales() {
                       type="monotone"
                       dataKey={name}
                       name={name}
-                      stroke={CHARGE_COLORS[i % CHARGE_COLORS.length]}
+                      stroke={CHARGE_COLORS[Math.min(i, CHARGE_COLORS.length - 1)]}
                       strokeWidth={2}
                       dot={{ r: 3 }}
                       activeDot={{ r: 5 }}
diff --git a/frontend/src/pages/SyncStatus.tsx b/frontend/src/pages/SyncStatus.tsx
index 6f5e031..287a02b 100644
--- a/frontend/src/pages/SyncStatus.tsx
+++ b/frontend/src/pages/SyncStatus.tsx
@@ -11,6 +11,7 @@ import { formatRelativeAge } from '@/lib/dates';
 import { Button } from '@/components/ui/button';
 import { Card, CardContent } from '@/components/ui/card';
 import { Badge } from '@/components/ui/badge';
+import { PageHeader } from '@/components/page-header';
 import ErrorState from '@/components/ErrorState';
 import { Skeleton } from '@/components/ui/skeleton';
 
@@ -38,29 +39,25 @@ export default function SyncStatus() {
 
   return (
     <div className="space-y-6">
-      <div className="flex items-center justify-between">
-        <div className="flex items-center gap-3">
-          <RefreshCw className="w-6 h-6 text-primary" aria-hidden="true" />
-          <div>
-            <h1 className="text-2xl font-bold tracking-tight">Sincronización</h1>
-            <p className="text-sm text-muted-foreground">
-              Estado de los flujos automáticos de datos (n8n y tipo de cambio)
-            </p>
-          </div>
-        </div>
-        <Button
-          variant="outline"
-          size="sm"
-          onClick={() => query.refetch()}
-          disabled={query.isFetching}
-        >
-          <RefreshCw
-            className={query.isFetching ? 'w-4 h-4 mr-2 animate-spin' : 'w-4 h-4 mr-2'}
-            aria-hidden="true"
-          />
-          Actualizar
-        </Button>
-      </div>
+      <PageHeader
+        icon={RefreshCw}
+        title="Sincronización"
+        subtitle="Estado de los flujos automáticos de datos (n8n y tipo de cambio)"
+        actions={
+          <Button
+            variant="outline"
+            size="sm"
+            onClick={() => query.refetch()}
+            disabled={query.isFetching}
+          >
+            <RefreshCw
+              className={query.isFetching ? 'w-4 h-4 mr-2 animate-spin' : 'w-4 h-4 mr-2'}
+              aria-hidden="true"
+            />
+            Actualizar
+          </Button>
+        }
+      />
 
       {query.isError ? (
         <ErrorState