added possibility for subpages darkmode styles

app/Http/Controllers/StartpageController.php

@@ -53,7 +53,8 @@ class StartpageController extends Controller
             ->with('request', $request->input('request', 'GET'))
             ->with('option_values', $option_values)
             ->with('autocomplete', $autocomplete)
-            ->with('pluginmodal', $request->input('plugin-modal', 'off'));
+            ->with('pluginmodal', $request->input('plugin-modal', 'off'))
+            ->with('darkcss', [mix('css/themes/startpage-only-dark.css')]);
     }
 
     public function loadPage($subpage)
@@ -88,8 +89,9 @@ class StartpageController extends Controller
         }
         $response = Response::make(
             view('plugin')
-                ->with('link', $link)
-            , "200");
+                ->with('link', $link),
+            "200"
+        );
         $response->header('Content-Type', "application/opensearchdescription+xml");
         return $response;
     }

resources/views/layouts/staticPages.blade.php

@@ -33,8 +33,10 @@
 		@endif
 		@if(Cookie::get('dark_mode') === "2")
 			<link type="text/css" rel="stylesheet" href="{{ mix('css/themes/metager-dark.css') }}"/>
-			@if(isset($page) && $page === 'startpage')
-				<link type="text/css" rel="stylesheet" href="{{ mix('css/themes/startpage-only-dark.css') }}"/>
+			@if(!empty($darkcss) && is_array($darkcss))
+			@foreach($darkcss as $css)
+			<link rel="stylesheet" type="text/css" href="{{ $css }}" />
+			@endforeach
 			@endif
 		@elseif(Cookie::get('dark_mode') === "1")
 			<link type="text/css" rel="stylesheet" href="{{ mix('css/themes/metager.css') }}"/>
@@ -43,8 +45,10 @@
 			@endif
 		@else
 			<link type="text/css" rel="stylesheet" media="(prefers-color-scheme:dark)" href="{{ mix('css/themes/metager-dark.css') }}"/>
-			@if(isset($page) && $page === 'startpage')
-				<link type="text/css" rel="stylesheet" media="(prefers-color-scheme:dark)" href="{{ mix('css/themes/startpage-only-dark.css') }}"/>
+			@if(!empty($darkcss) && is_array($darkcss))
+			@foreach($darkcss as $css)
+			<link rel="stylesheet" type="text/css" media="(prefers-color-scheme:dark)" href="{{ $css }}" />
+			@endforeach
 			@endif
 		@endif
 		<link type="text/css" rel="stylesheet" href="{{ mix('css/utility.css') }}" />