Add red border to Mitt konto

Updated AccountMenu.tsx to give the Mitt konto button a red border and maintain hover background opacity. Specifically, added border-2 with a red-tinged hover background and explicit border color, ensuring the header button shows a red outline.

X-Lovable-Edit-ID: edt-a8610805-6251-428e-9b12-8c47ff042573

src/components/AccountMenu.tsx

@@ -34,7 +34,8 @@ const AccountMenu = () => {
         <DropdownMenuTrigger asChild>
           <Button
             variant="ghost"
-            className="text-primary hover:text-primary/80 font-serif text-base"
+            className="text-primary hover:text-primary/80 font-serif text-base border-2 hover:bg-[rgba(220,38,38,0.3)]"
+            style={{ borderColor: '#dc2626' }}
           >
             Mitt konto
           </Button>