Restore toolbar background to bg-nebula; add toolbar backdrop blur

app/Http/Resources/ArtworkListResource.php

@@ -2,8 +2,8 @@
 namespace App\Http\Resources;
 
 use Illuminate\Http\Resources\Json\JsonResource;
-use Illuminate\Support\Facades\Storage;
 use Illuminate\Http\Resources\MissingValue;
+use App\Services\ThumbnailService;
 
 class ArtworkListResource extends JsonResource
 {
@@ -48,6 +48,8 @@ class ArtworkListResource extends JsonResource
             $categoryPath = $primaryCategory->full_slug_path ?? null;
         }
         $slugVal = $get('slug');
+        $hash = (string) ($get('hash') ?? '');
+        $thumbExt = (string) ($get('thumb_ext') ?? '');
         $webUrl = $contentTypeSlug && $categoryPath && $slugVal
             ? '/' . strtolower($contentTypeSlug) . '/' . strtolower($categoryPath) . '/' . $slugVal
             : null;
@@ -60,7 +62,7 @@ class ArtworkListResource extends JsonResource
                 'width' => $get('width'),
                 'height' => $get('height'),
             ],
-            'thumbnail_url' => $this->when(! empty($get('file_path')), fn() => Storage::url($get('file_path'))),
+            'thumbnail_url' => $this->when(! empty($hash) && ! empty($thumbExt), fn() => ThumbnailService::fromHash($hash, $thumbExt, 'md')),
             'author' => $this->whenLoaded('user', function () {
                 return [
                     'name' => $this->user->name ?? null,