diff --git a/frontend/src/common/components/map/HydrParticleOverlay.tsx b/frontend/src/common/components/map/HydrParticleOverlay.tsx
index d5d9e24..7b21709 100644
--- a/frontend/src/common/components/map/HydrParticleOverlay.tsx
+++ b/frontend/src/common/components/map/HydrParticleOverlay.tsx
@@ -1,10 +1,10 @@
 import { useEffect, useRef } from 'react';
 import { useMap } from '@vis.gl/react-maplibre';
 import type { HydrDataStep } from '@tabs/prediction/services/predictionApi';
+import { useThemeStore } from '@common/store/themeStore';
 
 interface HydrParticleOverlayProps {
   hydrStep: HydrDataStep | null;
-  lightMode?: boolean;
 }
 
 const PARTICLE_COUNT = 3000;
@@ -27,8 +27,8 @@ interface Particle {
 
 export default function HydrParticleOverlay({
   hydrStep,
-  lightMode = false,
 }: HydrParticleOverlayProps) {
+  const lightMode = useThemeStore((s) => s.theme) === 'light';
   const { current: map } = useMap();
   const animRef = useRef<number>();
 
diff --git a/frontend/src/common/components/map/MapView.tsx b/frontend/src/common/components/map/MapView.tsx
index 36951ed..bc20b7e 100755
--- a/frontend/src/common/components/map/MapView.tsx
+++ b/frontend/src/common/components/map/MapView.tsx
@@ -18,6 +18,7 @@ import { useMeasureTool } from '@common/hooks/useMeasureTool'
 import { hexToRgba } from './mapUtils'
 import { S57EncOverlay } from './S57EncOverlay'
 import { useMapStore } from '@common/store/mapStore'
+import { useThemeStore } from '@common/store/themeStore'
 import { useBaseMapStyle } from '@common/hooks/useBaseMapStyle'
 
 const GEOSERVER_URL = import.meta.env.VITE_GEOSERVER_URL || 'http://localhost:8080'
@@ -142,8 +143,6 @@ interface MapViewProps {
   analysisPolygonPoints?: Array<{ lat: number; lon: number }>
   analysisCircleCenter?: { lat: number; lon: number } | null
   analysisCircleRadiusM?: number
-  /** 밝은 톤 지도 스타일 사용 (CartoDB Positron) */
-  lightMode?: boolean
   /** false로 설정 시 WeatherInfoPanel, MapLegend, CoordinateDisplay 숨김 (기본: true) */
   showOverlays?: boolean
 }
@@ -328,9 +327,9 @@ export function MapView({
   analysisPolygonPoints = [],
   analysisCircleCenter,
   analysisCircleRadiusM = 0,
-  lightMode = false,
   showOverlays = true,
 }: MapViewProps) {
+  const lightMode = useThemeStore((s) => s.theme) === 'light'
   const { mapToggles, measureMode, measureInProgress, measurements } = useMapStore()
   const { handleMeasureClick } = useMeasureTool()
   const isControlled = externalCurrentTime !== undefined
@@ -1102,8 +1101,8 @@ export function MapView({
     analysisPolygonPoints, analysisCircleCenter, analysisCircleRadiusM, lightMode,
   ])
 
-  // 3D 모드 / 밝은 톤에 따른 지도 스타일 전환
-  const currentMapStyle = useBaseMapStyle(lightMode)
+  // 3D 모드 / 테마에 따른 지도 스타일 전환
+  const currentMapStyle = useBaseMapStyle()
 
   return (
     <div className="w-full h-full relative">
@@ -1164,7 +1163,7 @@ export function MapView({
 
         {/* 해류 파티클 오버레이 */}
         {hydrData.length > 0 && showCurrent && (
-          <HydrParticleOverlay hydrStep={hydrData[currentTime] ?? null} lightMode={lightMode} />
+          <HydrParticleOverlay hydrStep={hydrData[currentTime] ?? null} />
         )}
 
         {/* 사고 위치 마커 (MapLibre Marker) */}
diff --git a/frontend/src/common/hooks/useBaseMapStyle.ts b/frontend/src/common/hooks/useBaseMapStyle.ts
index 63322a4..6aeaafa 100644
--- a/frontend/src/common/hooks/useBaseMapStyle.ts
+++ b/frontend/src/common/hooks/useBaseMapStyle.ts
@@ -1,5 +1,6 @@
 import type { StyleSpecification } from 'maplibre-gl';
 import { useMapStore } from '@common/store/mapStore';
+import { useThemeStore } from '@common/store/themeStore';
 import {
   BASE_STYLE,
   LIGHT_STYLE,
@@ -7,11 +8,12 @@ import {
   ENC_EMPTY_STYLE,
 } from '@common/components/map/mapStyles';
 
-export function useBaseMapStyle(lightMode = false): StyleSpecification {
+export function useBaseMapStyle(): StyleSpecification {
+  const theme = useThemeStore((s) => s.theme);
   const mapToggles = useMapStore((s) => s.mapToggles);
 
   if (mapToggles.s57) return ENC_EMPTY_STYLE;
   if (mapToggles.threeD) return SATELLITE_3D_STYLE;
-  if (lightMode) return LIGHT_STYLE;
+  if (theme === 'light') return LIGHT_STYLE;
   return BASE_STYLE;
 }
diff --git a/frontend/src/tabs/incidents/components/IncidentsView.tsx b/frontend/src/tabs/incidents/components/IncidentsView.tsx
index 2b7a080..ffc2601 100755
--- a/frontend/src/tabs/incidents/components/IncidentsView.tsx
+++ b/frontend/src/tabs/incidents/components/IncidentsView.tsx
@@ -131,7 +131,7 @@ export function IncidentsView() {
   const [baselineLoaded, setBaselineLoaded] = useState(() => getCachedBaseline() !== null && getCachedZones() !== null)
 
   // Map style & toggles
-  const currentMapStyle = useBaseMapStyle(true)
+  const currentMapStyle = useBaseMapStyle()
   const mapToggles = useMapStore((s) => s.mapToggles)
 
   // Measure tool
diff --git a/frontend/src/tabs/prediction/components/OilSpillView.tsx b/frontend/src/tabs/prediction/components/OilSpillView.tsx
index 29210fc..3211e73 100755
--- a/frontend/src/tabs/prediction/components/OilSpillView.tsx
+++ b/frontend/src/tabs/prediction/components/OilSpillView.tsx
@@ -1240,7 +1240,6 @@ export function OilSpillView() {
               sensitiveResourceGeojson={
                 displayControls.showSensitiveResources ? sensitiveResourceGeojson : null
               }
-              lightMode
               centerPoints={centerPoints.filter((p) =>
                 visibleModels.has((p.model || 'OpenDrift') as PredictionModel),
               )}
diff --git a/frontend/src/tabs/reports/components/OilSpreadMapPanel.tsx b/frontend/src/tabs/reports/components/OilSpreadMapPanel.tsx
index 763e796..731d85b 100644
--- a/frontend/src/tabs/reports/components/OilSpreadMapPanel.tsx
+++ b/frontend/src/tabs/reports/components/OilSpreadMapPanel.tsx
@@ -59,7 +59,6 @@ const MapSlot = ({ label, step, mapData, captured, onCapture, onReset }: MapSlot
           simulationStartTime={mapData.simulationStartTime || undefined}
           mapCaptureRef={captureRef}
           showOverlays={false}
-          lightMode
         />
 
         {captured && (
diff --git a/frontend/src/tabs/scat/components/ScatPopup.tsx b/frontend/src/tabs/scat/components/ScatPopup.tsx
index c2413c0..65920d5 100644
--- a/frontend/src/tabs/scat/components/ScatPopup.tsx
+++ b/frontend/src/tabs/scat/components/ScatPopup.tsx
@@ -2,27 +2,10 @@ import { useState, useEffect } from 'react';
 import { Map, useControl } from '@vis.gl/react-maplibre';
 import { MapboxOverlay } from '@deck.gl/mapbox';
 import { ScatterplotLayer } from '@deck.gl/layers';
-import type { StyleSpecification } from 'maplibre-gl';
 import 'maplibre-gl/dist/maplibre-gl.css';
 import type { ScatDetail } from './scatTypes';
 import { hexToRgba } from '@common/components/map/mapUtils';
-
-// ── 베이스맵 스타일 ──────────────────────────────────────
-const BASE_STYLE: StyleSpecification = {
-  version: 8,
-  sources: {
-    'carto-dark': {
-      type: 'raster',
-      tiles: [
-        'https://a.basemaps.cartocdn.com/dark_all/{z}/{x}/{y}@2x.png',
-        'https://b.basemaps.cartocdn.com/dark_all/{z}/{x}/{y}@2x.png',
-        'https://c.basemaps.cartocdn.com/dark_all/{z}/{x}/{y}@2x.png',
-      ],
-      tileSize: 256,
-    },
-  },
-  layers: [{ id: 'carto-dark-layer', type: 'raster', source: 'carto-dark' }],
-};
+import { useBaseMapStyle } from '@common/hooks/useBaseMapStyle';
 
 // ── DeckGLOverlay ──────────────────────────────────────
 // eslint-disable-next-line @typescript-eslint/no-explicit-any
@@ -94,12 +77,14 @@ function PopupMap({
     }),
   ];
 
+  const currentMapStyle = useBaseMapStyle();
+
   return (
     <div className="relative w-full h-full">
       <Map
         key={`${lat}-${lng}`}
         initialViewState={{ longitude: lng, latitude: lat, zoom: 15 }}
-        mapStyle={BASE_STYLE}
+        mapStyle={currentMapStyle}
         style={{ width: '100%', height: '100%' }}
         attributionControl={false}
         onLoad={onMapLoad}