diff --git a/libs/services/src/lib/runtime-capabilities.service.spec.ts b/libs/services/src/lib/runtime-capabilities.service.spec.ts
index 3a4ba2373..aaf014d13 100644
--- a/libs/services/src/lib/runtime-capabilities.service.spec.ts
+++ b/libs/services/src/lib/runtime-capabilities.service.spec.ts
@@ -18,6 +18,8 @@ describe('RuntimeCapabilitiesService', () => {
         expect(service.environment).toBe('pwa');
         expect(service.isPwa).toBe(true);
         expect(service.isElectron).toBe(false);
+        expect(service.platform).toBeUndefined();
+        expect(service.isMacOS).toBe(false);
         expect(service.supportsEpg).toBe(false);
         expect(service.supportsSqlite).toBe(false);
         expect(service.supportsDownloads).toBe(false);
@@ -29,6 +31,7 @@ describe('RuntimeCapabilitiesService', () => {
 
     it('reports Electron capabilities from the available preload bridge methods', () => {
         testWindow.electron = {
+            platform: 'darwin',
             dbGetAppPlaylists: jest.fn(),
             dbUpsertAppPlaylist: jest.fn(),
             dbGetAppState: jest.fn(),
@@ -47,6 +50,8 @@ describe('RuntimeCapabilitiesService', () => {
         expect(service.environment).toBe('electron');
         expect(service.isElectron).toBe(true);
         expect(service.isPwa).toBe(false);
+        expect(service.platform).toBe('darwin');
+        expect(service.isMacOS).toBe(true);
         expect(service.supportsEpg).toBe(true);
         expect(service.supportsSqlite).toBe(true);
         expect(service.supportsDownloads).toBe(true);
@@ -64,6 +69,8 @@ describe('RuntimeCapabilitiesService', () => {
         const service = new RuntimeCapabilitiesService();
 
         expect(service.environment).toBe('electron');
+        expect(service.platform).toBeUndefined();
+        expect(service.isMacOS).toBe(false);
         expect(service.supportsEpg).toBe(true);
         expect(service.supportsSqlite).toBe(false);
         expect(service.supportsDownloads).toBe(false);
diff --git a/libs/services/src/lib/runtime-capabilities.service.ts b/libs/services/src/lib/runtime-capabilities.service.ts
index b530d4dc0..d7a6ebf7c 100644
--- a/libs/services/src/lib/runtime-capabilities.service.ts
+++ b/libs/services/src/lib/runtime-capabilities.service.ts
@@ -22,6 +22,15 @@ export class RuntimeCapabilitiesService {
         return !this.isElectron;
     }
 
+    get platform(): string | undefined {
+        const platform = this.electronBridge?.['platform'];
+        return typeof platform === 'string' ? platform : undefined;
+    }
+
+    get isMacOS(): boolean {
+        return this.platform === 'darwin';
+    }
+
     get supportsEpg(): boolean {
         return this.isElectron;
     }
diff --git a/libs/workspace/shell/feature/src/lib/workspace-shell/services/workspace-shell-xtream-import.service.ts b/libs/workspace/shell/feature/src/lib/workspace-shell/services/workspace-shell-xtream-import.service.ts
index 7ae8127d5..b8c63a7ed 100644
--- a/libs/workspace/shell/feature/src/lib/workspace-shell/services/workspace-shell-xtream-import.service.ts
+++ b/libs/workspace/shell/feature/src/lib/workspace-shell/services/workspace-shell-xtream-import.service.ts
@@ -4,6 +4,7 @@ import { TranslateService } from '@ngx-translate/core';
 import { startWith } from 'rxjs';
 import { PlaylistRefreshActionService } from '@iptvnator/playlist/shared/ui';
 import { XtreamStore } from '@iptvnator/portal/xtream/data-access';
+import { RuntimeCapabilitiesService } from '@iptvnator/services';
 import type { XtreamImportPhaseTone } from './helpers/workspace-shell-constants';
 import {
     buildXtreamImportDetailLabel,
@@ -23,14 +24,18 @@ export class WorkspaceShellXtreamImportService {
     private readonly playlistRefreshAction = inject(
         PlaylistRefreshActionService
     );
+    private readonly runtime = inject(RuntimeCapabilitiesService);
     private readonly translate = inject(TranslateService);
-    private readonly isElectron = !!window.electron;
 
     private readonly languageTick = toSignal(
         this.translate.onLangChange.pipe(startWith(null)),
         { initialValue: null }
     );
 
+    private get isElectron(): boolean {
+        return this.runtime.isElectron;
+    }
+
     private readonly translateText = (
         key: string,
         params?: Record<string, string | number>
diff --git a/libs/workspace/shell/feature/src/lib/workspace-shell/services/workspace-shell.facade.spec.ts b/libs/workspace/shell/feature/src/lib/workspace-shell/services/workspace-shell.facade.spec.ts
index 7f4983b50..11c2b7507 100644
--- a/libs/workspace/shell/feature/src/lib/workspace-shell/services/workspace-shell.facade.spec.ts
+++ b/libs/workspace/shell/feature/src/lib/workspace-shell/services/workspace-shell.facade.spec.ts
@@ -17,7 +17,11 @@ import {
 } from '@iptvnator/portal/shared/util';
 import { StalkerStore } from '@iptvnator/portal/stalker/data-access';
 import { XtreamStore } from '@iptvnator/portal/xtream/data-access';
-import { PlaylistsService, SettingsStore } from '@iptvnator/services';
+import {
+    PlaylistsService,
+    RuntimeCapabilitiesService,
+    SettingsStore,
+} from '@iptvnator/services';
 import { PlaylistMeta } from '@iptvnator/shared/interfaces';
 import {
     WorkspaceStartupPreferencesService,
@@ -135,10 +139,17 @@ describe('WorkspaceShellFacade', () => {
         persistLastRestorablePath: jest.Mock;
         showDashboard: jest.Mock;
     };
+    let runtime: {
+        isElectron: boolean;
+        isMacOS: boolean;
+    };
 
     beforeEach(() => {
-        window.electron = { platform: 'darwin' } as typeof window.electron;
         showDashboardSignal = signal(true);
+        runtime = {
+            isElectron: true,
+            isMacOS: true,
+        };
 
         activePlaylistSignal = signal({
             _id: 'pl-1',
@@ -254,6 +265,10 @@ describe('WorkspaceShellFacade', () => {
                         showExternalPlaybackBar: signal(true),
                     },
                 },
+                {
+                    provide: RuntimeCapabilitiesService,
+                    useValue: runtime,
+                },
                 {
                     provide: PlaylistsService,
                     useValue: playlistsService,
@@ -322,6 +337,17 @@ describe('WorkspaceShellFacade', () => {
         facade = TestBed.inject(WorkspaceShellFacade);
     });
 
+    it('derives desktop shell flags from runtime capabilities', () => {
+        expect(facade.isElectron).toBe(true);
+        expect(facade.isMacOS).toBe(true);
+
+        runtime.isElectron = false;
+        runtime.isMacOS = false;
+
+        expect(facade.isElectron).toBe(false);
+        expect(facade.isMacOS).toBe(false);
+    });
+
     it('routes dashboard search Enter into the active Xtream playlist search', () => {
         const xtreamStore = TestBed.inject(
             XtreamStore
diff --git a/libs/workspace/shell/feature/src/lib/workspace-shell/services/workspace-shell.facade.ts b/libs/workspace/shell/feature/src/lib/workspace-shell/services/workspace-shell.facade.ts
index 2fa3c7418..0d874a50f 100644
--- a/libs/workspace/shell/feature/src/lib/workspace-shell/services/workspace-shell.facade.ts
+++ b/libs/workspace/shell/feature/src/lib/workspace-shell/services/workspace-shell.facade.ts
@@ -36,6 +36,7 @@ import {
 import {
     DownloadsService,
     PlaylistsService,
+    RuntimeCapabilitiesService,
     SettingsStore,
 } from '@iptvnator/services';
 import { PlaylistActions, selectAllPlaylistsMeta } from '@iptvnator/m3u-state';
@@ -96,6 +97,7 @@ export class WorkspaceShellFacade {
     private readonly playlistRefreshAction = inject(
         PlaylistRefreshActionService
     );
+    private readonly runtime = inject(RuntimeCapabilitiesService);
     private readonly downloadsService = inject(DownloadsService);
     readonly hasActiveDownloads = computed(
         () => this.isElectron && this.downloadsService.activeCount() > 0
@@ -137,8 +139,13 @@ export class WorkspaceShellFacade {
 
     readonly searchQuery = signal('');
     readonly appliedSearchQuery = signal('');
-    readonly isElectron = !!window.electron;
-    readonly isMacOS = window.electron?.platform === 'darwin';
+    get isElectron(): boolean {
+        return this.runtime.isElectron;
+    }
+
+    get isMacOS(): boolean {
+        return this.runtime.isMacOS;
+    }
     readonly currentUrl = signal(this.router.url);
     readonly currentRoute = computed(() =>
         parseWorkspaceShellRoute(this.currentUrl())