Rinominato background banner

app/admin/page.tsx

@@ -850,7 +850,7 @@ export default function AdminDashboard() {
 
                   {/* Hero Upload with Remove Button */}
                   <div>
-                    <label className="block text-sm font-semibold text-gray-700 mb-1">Hero Background Image</label>
+                    <label className="block text-sm font-semibold text-gray-700 mb-1">Background Image</label>
                     <div className="flex items-center gap-3 flex-wrap">
                       <label className="cursor-pointer bg-gray-100 hover:bg-gray-200 text-gray-800 font-semibold text-sm px-4 py-2 rounded-full transition-colors">
                         <input type="file" accept="image/*" onChange={e => handleUpload(e, 'heroImageUrl', true)} hidden />
@@ -860,8 +860,8 @@ export default function AdminDashboard() {
                     </div>
                     {portal.heroImageUrl && (
                       <div className="mt-2 relative rounded shadow border inline-block w-full">
-                        <img src={withBasePath(portal.heroImageUrl)} className="h-32 w-full object-cover rounded" alt="Hero Preview" />
-                        <a href={withBasePath(portal.heroImageUrl)} download={extractFileName(portal.heroImageUrl)} className="absolute top-2 right-12 bg-gray-700 hover:bg-gray-800 text-white w-8 h-8 flex items-center justify-center rounded-full text-sm font-bold shadow-lg" title="Download" aria-label="Download hero">⬇</a>
+                        <img src={withBasePath(portal.heroImageUrl)} className="h-32 w-full object-cover rounded" alt="Background preview" />
+                        <a href={withBasePath(portal.heroImageUrl)} download={extractFileName(portal.heroImageUrl)} className="absolute top-2 right-12 bg-gray-700 hover:bg-gray-800 text-white w-8 h-8 flex items-center justify-center rounded-full text-sm font-bold shadow-lg" title="Download" aria-label="Download background">⬇</a>
                         <button onClick={() => setPortal({...portal, heroImageUrl: ''})} className="absolute top-2 right-2 bg-red-500 text-white w-8 h-8 flex items-center justify-center rounded-full text-sm font-bold hover:bg-red-600 shadow-lg">✕</button>
                       </div>
                     )}