feat: Einlösen und Bearbeiten nebeneinander auf der Detailseite

app/vouchers/[id]/page.tsx

@@ -123,18 +123,18 @@ export default function VoucherDetailPage({ params }: { params: Promise<{ id: st
           Zum Shop
         </a>
       )}
-      {v.status !== "eingeloest" && (
-        <button
-          onClick={redeem}
-          className="mt-4 h-12 w-full rounded-field bg-brand-600 text-sm font-semibold text-white transition-colors hover:bg-brand-700 active:scale-[0.99] sm:w-auto sm:px-8"
-        >
-          Einlösen
-        </button>
-      )}
-      <div className="mt-3 flex flex-wrap gap-2">
+      <div className="mt-4 flex flex-col gap-2 sm:flex-row">
+        {v.status !== "eingeloest" && (
+          <button
+            onClick={redeem}
+            className="h-12 w-full rounded-field bg-brand-600 text-sm font-semibold text-white transition-colors hover:bg-brand-700 active:scale-[0.99] sm:flex-1"
+          >
+            Einlösen
+          </button>
+        )}
         <Link
           href={`/vouchers/${v.id}/edit`}
-          className="inline-flex h-11 items-center rounded-field border border-line bg-white px-5 text-sm font-semibold transition-colors hover:border-brand-600 hover:text-brand-700"
+          className="inline-flex h-12 items-center justify-center rounded-field border border-line bg-white px-5 text-sm font-semibold transition-colors hover:border-brand-600 hover:text-brand-700 sm:w-auto sm:px-8"
         >
           Bearbeiten
         </Link>