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app/login/page.tsx

@@ -3,12 +3,29 @@
 import { signIn } from "next-auth/react";
 import Link from "next/link";
 import { useRouter } from "next/navigation";
-import { useState } from "react";
+import { useEffect, useState } from "react";
 
 export default function LoginPage() {
   const router = useRouter();
   const [error, setError] = useState<string | null>(null);
   const [showVerifyLink, setShowVerifyLink] = useState(false);
+  const [registrationEnabled, setRegistrationEnabled] = useState<boolean | null>(
+    null
+  );
+
+  useEffect(() => {
+    const loadRegistration = async () => {
+      try {
+        const response = await fetch("/api/settings/registration");
+        if (!response.ok) return;
+        const payload = await response.json();
+        setRegistrationEnabled(payload.registrationEnabled !== false);
+      } catch {
+        setRegistrationEnabled(true);
+      }
+    };
+    loadRegistration();
+  }, []);
 
   const onSubmit = async (event: React.FormEvent<HTMLFormElement>) => {
     event.preventDefault();
@@ -78,9 +95,14 @@ export default function LoginPage() {
         </button>
       </form>
       {error && <p className="mt-3 text-sm text-red-600">{error}</p>}
-      <p className="mt-4 text-sm text-slate-600">
-        Kein Konto? <Link href="/register" className="text-brand-700">Registrieren</Link>
-      </p>
+      {registrationEnabled !== false && (
+        <p className="mt-4 text-sm text-slate-600">
+          Kein Konto?{" "}
+          <Link href="/register" className="text-brand-700">
+            Registrieren
+          </Link>
+        </p>
+      )}
       <p className="mt-2 text-sm text-slate-600">
         Passwort vergessen?{" "}
         <Link href="/reset" className="text-brand-700">