diff --git a/com.twin.app.shoptime/src/App/App.js b/com.twin.app.shoptime/src/App/App.js
index 91e499b9..a52e5f09 100644
--- a/com.twin.app.shoptime/src/App/App.js
+++ b/com.twin.app.shoptime/src/App/App.js
@@ -46,7 +46,6 @@ import { enqueuePanelHistory } from '../actions/panelHistoryActions';
 import NotSupportedVersion from '../components/NotSupportedVersion/NotSupportedVersion';
 import ToastContainer from '../components/TToast/ToastContainer';
 import GlobalPopup from '../components/GlobalPopup/GlobalPopup';
-import FloatingGradientBackground from '../components/FloatingGradientBackground/FloatingGradientBackground';
 import usePrevious from '../hooks/usePrevious';
 import { lunaTest } from '../lunaSend/lunaTest';
 import { store } from '../store/store';
@@ -442,9 +441,6 @@ if (typeof Spotlight !== 'undefined' && Spotlight.addEventListener) {
 
 function AppBase(props) {
   const dispatch = useDispatch();
-
-  // 그라데이션 배경 표시 상태 관리 (기본적으로 숨김)
-  const [showGradientBackground, setShowGradientBackground] = React.useState(false);
   const httpHeader = useSelector((state) => state.common.httpHeader);
   const httpHeaderRef = useRef(httpHeader);
   const webOSVersion = useSelector((state) => state.common.appStatus.webOSVersion);
@@ -896,24 +892,8 @@ function AppBase(props) {
     );
   }, [dispatch, initService]);
 
-  // ✅ 그라데이션 배경 제어 함수를 전역에 노출
-  useEffect(() => {
-    window.toggleFloatingGradient = setShowGradientBackground;
-    window.showFloatingGradient = () => setShowGradientBackground(true);
-    window.hideFloatingGradient = () => setShowGradientBackground(false);
-
-    return () => {
-      delete window.toggleFloatingGradient;
-      delete window.showFloatingGradient;
-      delete window.hideFloatingGradient;
-    };
-  }, []);
-
   return (
     <ErrorBoundary>
-      {/* 항상 메모리에 로드되는 떠 있는 그라데이션 배경 */}
-      <FloatingGradientBackground visible={showGradientBackground} />
-
       {webOSVersion === '' ? null : Number(webOSVersion) < 4 ? (
         <NotSupportedVersion />
       ) : (
diff --git a/com.twin.app.shoptime/src/actions/panelActions.js b/com.twin.app.shoptime/src/actions/panelActions.js
index e7d492a1..677d440f 100644
--- a/com.twin.app.shoptime/src/actions/panelActions.js
+++ b/com.twin.app.shoptime/src/actions/panelActions.js
@@ -104,10 +104,13 @@ export const navigateToDetail = ({
     });
 
     // ✅ 그라데이션 배경 표시 - HomePanel→DetailPanel 전환 시
-    if (window.showFloatingGradient) {
-      window.showFloatingGradient();
-      console.log('[navigateToDetail] Floating gradient background shown');
-    }
+    dispatch(updateHomeInfo({
+      name: panel_names.HOME_PANEL,
+      panelInfo: {
+        showGradientBackground: true,
+      }
+    }));
+    console.log('[TRACE-GRADIENT] 🟢 navigateToDetail set showGradientBackground: true - source:', sourceMenu);
 
     // sourceMenu에 따른 사전 처리
     switch (sourceMenu) {
diff --git a/com.twin.app.shoptime/src/components/FloatingGradientBackground/FloatingGradientBackground.jsx b/com.twin.app.shoptime/src/components/FloatingGradientBackground/FloatingGradientBackground.jsx
deleted file mode 100644
index 72066e04..00000000
--- a/com.twin.app.shoptime/src/components/FloatingGradientBackground/FloatingGradientBackground.jsx
+++ /dev/null
@@ -1,60 +0,0 @@
-import React, { useCallback, useEffect, useRef } from 'react';
-import { createPortal } from 'react-dom';
-
-import css from './FloatingGradientBackground.module.less';
-
-/**
- * HomePanel과 분리된 별도의 그라데이션 배경
- * React Portal로 전역 body에 직접 렌더링됨
- * 항상 메모리에 로드되지만 visible prop으로 표시/숨김 제어
- */
-export default function FloatingGradientBackground({ visible = false }) {
-  // 전역 DOM에 렌더링할 container 참조
-  const containerRef = useRef(null);
-
-  // portal container 생성 (마운트 시 한 번만)
-  useEffect(() => {
-    // body에 직접 div 추가
-    const portalContainer = document.createElement('div');
-    portalContainer.id = 'floating-gradient-background-container';
-    portalContainer.style.position = 'fixed';
-    portalContainer.style.top = '0';
-    portalContainer.style.left = '0';
-    portalContainer.style.width = '100%';
-    portalContainer.style.height = '100%';
-    portalContainer.style.pointerEvents = 'none';
-    portalContainer.style.zIndex = '20'; // HomePanel과 DetailPanel 사이 (HomePanel < 20 < DetailPanel(21))
-
-    document.body.appendChild(portalContainer);
-    containerRef.current = portalContainer;
-
-    console.log('[FloatingGradientBackground] Portal container created');
-
-    return () => {
-      // 언마운트 시 portal container 제거
-      if (containerRef.current && containerRef.current.parentNode) {
-        containerRef.current.parentNode.removeChild(containerRef.current);
-        console.log('[FloatingGradientBackground] Portal container removed');
-      }
-    };
-  }, []);
-
-  // Portal로 렌더링될 그라데이션 컴포넌트
-  const gradientContent = (
-    <div className={`${css.gradientBackground} ${visible ? css.visible : ''}`} aria-hidden="true">
-      {/* 1. 270도 방향 그라데이션 (왼쪽→오른쪽, 투명→불투명) */}
-      <div className={css.gradientLayer1} />
-      {/* 2. 180도 방향 그라데이션 (위→아래, 투명→불투명) */}
-      <div className={css.gradientLayer2} />
-      {/* 3. 투명 그라데이션 */}
-      <div className={css.gradientLayer3} />
-    </div>
-  );
-
-  // container가 준비되면 portal로 렌더링
-  if (!containerRef.current) {
-    return null;
-  }
-
-  return createPortal(gradientContent, containerRef.current);
-}
\ No newline at end of file
diff --git a/com.twin.app.shoptime/src/components/FloatingGradientBackground/FloatingGradientBackground.module.less b/com.twin.app.shoptime/src/components/FloatingGradientBackground/FloatingGradientBackground.module.less
deleted file mode 100644
index bc0ad129..00000000
--- a/com.twin.app.shoptime/src/components/FloatingGradientBackground/FloatingGradientBackground.module.less
+++ /dev/null
@@ -1,65 +0,0 @@
-@import "../../style/CommonStyle.module.less";
-@import "../../style/utils.module.less";
-
-// 그라데이션 배경 - 전역 body에 렌더링됨
-.gradientBackground {
-  position: absolute;
-  top: 0;
-  left: 0;
-  width: 100%;
-  height: 100%;
-  pointer-events: none; // 클릭 이벤트가 아래로 통과하도록
-
-  // 기본 상태에서는 숨김
-  display: none;
-
-  // 활성화 상태
-  &.visible {
-    display: block;
-  }
-}
-
-// 그라데이션 레이어 1: 270도 방향 (왼쪽→오른쪽, 투명→불투명)
-// linear-gradient(270deg, rgba(0, 0, 0, 0) 0%, rgba(0, 0, 0, 0.77) 70%, rgba(0, 0, 0, 1) 100%)
-.gradientLayer1 {
-  position: absolute;
-  top: 0;
-  left: 0;
-  width: 100%;
-  height: 100%;
-  background: linear-gradient(
-    270deg,
-    rgba(0, 0, 0, 0) 0%,
-    rgba(0, 0, 0, 0.77) 70%,
-    rgba(0, 0, 0, 1) 100%
-  );
-  z-index: 1; // container 내부 상대적 zIndex
-}
-
-// 그라데이션 레이어 2: 180도 방향 (위→아래, 투명→불투명)
-// linear-gradient(180deg, rgba(0, 0, 0, 0) 0%, rgba(0, 0, 0, 1) 100%)
-.gradientLayer2 {
-  position: absolute;
-  top: 0;
-  left: 0;
-  width: 100%;
-  height: 100%;
-  background: linear-gradient(
-    180deg,
-    rgba(0, 0, 0, 0) 0%,
-    rgba(0, 0, 0, 1) 100%
-  );
-  z-index: 2; // gradientLayer1보다 높게
-}
-
-// 그라데이션 레이어 3: 투명 그라데이션
-// linear-gradient(0deg, rgba(0, 0, 0, 0))
-.gradientLayer3 {
-  position: absolute;
-  top: 0;
-  left: 0;
-  width: 100%;
-  height: 100%;
-  background: linear-gradient(0deg, rgba(0, 0, 0, 0));
-  z-index: 3; // 가장 높은 레이어
-}
\ No newline at end of file
diff --git a/com.twin.app.shoptime/src/views/DetailPanel/DetailPanel.jsx b/com.twin.app.shoptime/src/views/DetailPanel/DetailPanel.jsx
index e7fc1889..75751415 100644
--- a/com.twin.app.shoptime/src/views/DetailPanel/DetailPanel.jsx
+++ b/com.twin.app.shoptime/src/views/DetailPanel/DetailPanel.jsx
@@ -152,29 +152,37 @@ export default function DetailPanel({ panelInfo, isOnTop, spotlightId }) {
   useEffect(() => {
     // DOM이 렌더링된 후 약간의 지연 시간을 두고 그라데이션 숨김
     const timer = setTimeout(() => {
-      if (window.hideFloatingGradient) {
-        window.hideFloatingGradient();
-        console.log('[DetailPanel] Floating gradient background hidden');
-      }
+      dispatch(updateHomeInfo({
+        name: panel_names.HOME_PANEL,
+        panelInfo: {
+          showGradientBackground: false,
+        }
+      }));
+      console.log('[TRACE-GRADIENT] 🔴 DetailPanel mounted 100ms timeout set showGradientBackground: false');
     }, 100); // 100ms 지연으로 DOM 렌더링 완료 후 실행
 
     return () => {
       clearTimeout(timer); // 컴포넌트 언마운트 시 타이머 정리
+      console.log('[TRACE-GRADIENT] 🔴 DetailPanel unmount - gradient timer cleared');
     };
-  }, []); // 마운트 시 한 번만 실행
+  }, [dispatch]); // dispatch 포함
 
-  // ✅ [251118] DetailPanel이 사라질 때 HomePanel의 비디오 재생 활성화
+  // ✅ [251118] DetailPanel이 사라질 때 HomePanel 활성화
   useEffect(() => {
     return () => {
       // DetailPanel이 unmount되는 시점
       console.log('[DetailPanel] unmount - HomePanel 활성화 신호 전송');
 
       // HomePanel에서 비디오 재생을 다시 시작하도록 신호 보내기
+      console.log('[TRACE-GRADIENT] 🔶 DetailPanel unmount - Creating new panelInfo');
+      console.log('[TRACE-GRADIENT] 🔶 DetailPanel unmount - Existing panelInfo before update:', JSON.stringify(panelInfo));
+
       dispatch(updateHomeInfo({
         name: panel_names.HOME_PANEL,
         panelInfo: {
           shouldResumeVideo: true,  // ✅ 신호
           lastDetailPanelClosed: Date.now(),  // ✅ 시점 기록
+          showGradientBackground: false,  // ✅ 명시적으로 그라데이션 끔기
         }
       }));
     };
diff --git a/com.twin.app.shoptime/src/views/DetailPanel/components/DetailPanelBackground/DetailPanelBackground.jsx b/com.twin.app.shoptime/src/views/DetailPanel/components/DetailPanelBackground/DetailPanelBackground.jsx
index 1abb1205..fff36da9 100644
--- a/com.twin.app.shoptime/src/views/DetailPanel/components/DetailPanelBackground/DetailPanelBackground.jsx
+++ b/com.twin.app.shoptime/src/views/DetailPanel/components/DetailPanelBackground/DetailPanelBackground.jsx
@@ -43,14 +43,9 @@ export default function DetailPanelBackground({ launchedFromPlayer = false, patn
     return BG_MAP[patnrId] || qvc;
   }, [patnrId]);
 
-  // ✅ [251119] 프리로드된 이미지 사용 로직
+  // ✅ [251119] 프리로드된 이미지 사용 로직 수정
+  // launchedFromPlayer와 상관없이 항상 배경 이미지를 표시하도록 수정
   useEffect(() => {
-    if (launchedFromPlayer) {
-      // PlayerPanel에서 진입한 경우 이미지가 필요 없음
-      setImageReady(true);
-      return;
-    }
-
     // 이미지가 프리로드되었는지 확인
     if (ImagePreloader.isLoaded(detailPanelBg)) {
       console.log('[DetailPanelBackground] Using preloaded image:', detailPanelBg);
@@ -69,7 +64,7 @@ export default function DetailPanelBackground({ launchedFromPlayer = false, patn
           setImageReady(true);
         });
     }
-  }, [detailPanelBg, launchedFromPlayer]);
+  }, [detailPanelBg]); // launchedFromPlayer 제거
 
   useEffect(() => {
     console.log('[DetailPanelBackground] 배경 이미지 경로:', detailPanelBg);
@@ -82,15 +77,15 @@ export default function DetailPanelBackground({ launchedFromPlayer = false, patn
   return (
     <div className={css.backgroundContainer}>
       {/* 이미지가 준비되지 않았을 때 placeholder 표시 */}
-      {!imageReady && !launchedFromPlayer && (
+      {!imageReady && (
         <div
           className={css.backgroundPlaceholder}
           aria-hidden="true"
         />
       )}
 
-      {/* 실제 배경 이미지 - 프리로드된 경우 즉시 표시 */}
-      {!launchedFromPlayer && imageReady && (
+      {/* 실제 배경 이미지 - 항상 표시되도록 수정 */}
+      {imageReady && (
         <img
           src={detailPanelBg}
           alt=""
@@ -101,7 +96,7 @@ export default function DetailPanelBackground({ launchedFromPlayer = false, patn
         />
       )}
 
-      {/* 그라데이션 레이어들 - CSS의 linear-gradient를 div로 구현 */}
+      {/* 그라데이션 레이어들 - launchedFromPlayer일 때만 추가 */}
       {/* 1. 270도 방향 그라데이션 (왼쪽→오른쪽, 투명→불투명) */}
       {launchedFromPlayer && (
         <div className={css.gradientLayer1} aria-hidden="true" />
diff --git a/com.twin.app.shoptime/src/views/HomePanel/HomePanel.jsx b/com.twin.app.shoptime/src/views/HomePanel/HomePanel.jsx
index cb2df152..d264ad25 100644
--- a/com.twin.app.shoptime/src/views/HomePanel/HomePanel.jsx
+++ b/com.twin.app.shoptime/src/views/HomePanel/HomePanel.jsx
@@ -94,9 +94,21 @@ export const TEMPLATE_CODE_CONF = {
   PICK_FOR_YOU: 'DSP00106',
 };
 
-const HomePanel = ({ isOnTop }) => {
+const HomePanel = ({ isOnTop, showGradientBackground = false }) => {
   const dispatch = useDispatch();
 
+  // ✅ showGradientBackground prop 변경 추적 로그
+  const prevShowGradientBackground = usePrevious(showGradientBackground);
+  useEffect(() => {
+    if (prevShowGradientBackground !== showGradientBackground) {
+      console.log('[TRACE-GRADIENT] 📊 HomePanel prop changed:', {
+        prev: prevShowGradientBackground,
+        current: showGradientBackground,
+        isOnTop: isOnTop
+      });
+    }
+  }, [showGradientBackground, prevShowGradientBackground, isOnTop]);
+
   useDebugKey({ isLandingPage: true });
 
   // 🔽 HomeBanner 외부 7개 아이콘들의 focusHistory 추적
@@ -805,7 +817,8 @@ const HomePanel = ({ isOnTop }) => {
   useEffect(() => {
     if (detailPanelClosedTime && isOnTop) {
     // if (isOnTop) {
-      console.log('@@[HomePanel] *** ✅ HomePanel isOnTop = true');
+      console.log('[TRACE-GRADIENT] 🔄 lastDetailPanelClosed triggered - HomePanel reactivated');
+      console.log('[HomePanel] *** ✅ HomePanel isOnTop = true');
       console.log('[HomePanel] *** lastDetailPanelClosed:', detailPanelClosedTime);
       console.log('[HomePanel] *** isOnTop:', isOnTop);
       console.log('[HomePanel] *** videoPlayIntentRef.current:', videoPlayIntentRef.current);
@@ -978,6 +991,12 @@ const HomePanel = ({ isOnTop }) => {
 
   return (
     <>
+      {/* HomePanel용 메모리 상주 그라데이션 배경 */}
+      <div
+        className={classNames(css.gradientBackground, { [css.visible]: showGradientBackground })}
+        aria-hidden="true"
+      />
+
       <TPanel className={css.panel} onCancel={onCancel}>
         {homeLayoutInfo && (
           <TBody
diff --git a/com.twin.app.shoptime/src/views/HomePanel/HomePanel.module.less b/com.twin.app.shoptime/src/views/HomePanel/HomePanel.module.less
index 2180e782..c8695683 100644
--- a/com.twin.app.shoptime/src/views/HomePanel/HomePanel.module.less
+++ b/com.twin.app.shoptime/src/views/HomePanel/HomePanel.module.less
@@ -53,3 +53,24 @@
   }
 }
 
+// HomePanel용 메모리 상주 단색 배경
+.gradientBackground {
+  position: absolute;
+  top: 0;
+  left: 0;
+  width: 100%;
+  height: 100%;
+  z-index: 20; // HomePanel 위, DetailPanel(21) 아래
+  overflow: hidden;
+  pointer-events: none; // 클릭 이벤트가 아래로 통과하도록
+
+  // 기본 상태에서는 숨김
+  display: none;
+
+  // 활성화 상태 - 전체 화면을 어둡게 하는 단색 배경
+  &.visible {
+    display: block;
+    background: rgba(0, 0, 0, 0.85); // 85% 투명도의 검은색으로 전체 화면 어둡게
+  }
+}
+
diff --git a/com.twin.app.shoptime/src/views/MainView/MainView.jsx b/com.twin.app.shoptime/src/views/MainView/MainView.jsx
index b60b3e79..3103e9ce 100644
--- a/com.twin.app.shoptime/src/views/MainView/MainView.jsx
+++ b/com.twin.app.shoptime/src/views/MainView/MainView.jsx
@@ -151,6 +151,7 @@ export default function MainView({ className, initService }) {
   const { showLoadingPanel, toast, toastText, isLoading, webOSVersion, deviceId } = useSelector(
     (state) => state.common.appStatus
   );
+  const homeInfo = useSelector((state) => state.home.homeInfo);
   const skipEndOfServicePopup = useSelector((state) => state.localSettings.skipEndOfServicePopup);
   const isInternetConnected = useSelector((state) => state.common.appStatus.isInternetConnected);
 
@@ -269,7 +270,11 @@ export default function MainView({ className, initService }) {
               (panels[0]?.name === Config.panel_names.PLAYER_PANEL ||
                 panels[0]?.name === Config.panel_names.PLAYER_PANEL_NEW ||
                 panels[0]?.name === Config.panel_names.MEDIA_PANEL))) && (
-            <HomePanel key={Config.panel_names.HOME_PANEL} isOnTop={isHomeOnTop} />
+            <HomePanel
+              key={Config.panel_names.HOME_PANEL}
+              isOnTop={isHomeOnTop}
+              showGradientBackground={homeInfo?.panelInfo?.showGradientBackground || false}
+            />
           )}
           {renderingPanels.map((panel, index) => {
             const Component = panelMap[panel.name];
@@ -323,11 +328,17 @@ export default function MainView({ className, initService }) {
         </>
       );
     } else if (isHomeOnTop) {
-      return <HomePanel key={Config.panel_names.HOME_PANEL} isOnTop={isHomeOnTop} />;
+      return (
+        <HomePanel
+          key={Config.panel_names.HOME_PANEL}
+          isOnTop={isHomeOnTop}
+          showGradientBackground={homeInfo?.panelInfo?.showGradientBackground || false}
+        />
+      );
     }
 
     return null;
-  }, [panels, tabActivated, isHomeOnTop]);
+  }, [panels, tabActivated, isHomeOnTop, homeInfo]);
 
   const onTabActivated = useCallback((activated) => {
     setTabActivated(activated);
diff --git a/com.twin.app.shoptime/src/views/MediaPanel/MediaPanel.v3.jsx b/com.twin.app.shoptime/src/views/MediaPanel/MediaPanel.v3.jsx
index ccf5f658..8e9c7613 100644
--- a/com.twin.app.shoptime/src/views/MediaPanel/MediaPanel.v3.jsx
+++ b/com.twin.app.shoptime/src/views/MediaPanel/MediaPanel.v3.jsx
@@ -2006,15 +2006,17 @@ const MediaPanel = React.forwardRef(
 
     const onEnded = useCallback((e) => {
       if (panelInfoRef.current.shptmBanrTpNm === 'MEDIA') {
-        dispatch(
-          updatePanel({
-            name: panel_names.DETAIL_PANEL,
-            panelInfo: {
-              launchedFromPlayer: true,
-              isPlayerFinished: true,
-            },
-          })
-        );
+        // ⚠️ 배경 설정 복원 취소 - DetailPanel 업데이트 없이 바로 패널 제거
+        // dispatch(
+        //   updatePanel({
+        //     name: panel_names.DETAIL_PANEL,
+        //     panelInfo: {
+        //       launchedFromPlayer: true,
+        //       isPlayerFinished: true,
+        //     },
+        //   })
+        // );
+        console.log('[MediaPanel] 🚫 Skipping background restoration for ended media');
         Spotlight.pause();
         setTimeout(() => {
           Spotlight.resume();