Referral page, bug fixes, seed data, persona tiers

- New /refer page with share/copy/stats
- Fixed modal z-index conflicts (z-50 → z-[60]) across forum, groups, souq, halal-monitor
- Seed route: forum categories, marketplace listings, private groups
- Mufti/Daie personas now available in Premium tier
- Fixed referral share link: falahos.my/mobile/auth?ref=CODE
- Fixed client-side persona access check for premium

src/app/profile/page.tsx

@@ -17,6 +17,7 @@ import {
   Shield,
   TrendingUp,
   ExternalLink,
+  Gift,
 } from "lucide-react";
 import PremiumBadge from "@/components/PremiumBadge";
 
@@ -36,7 +37,7 @@ export default function ProfilePage() {
   const [saveMessage, setSaveMessage] = useState("");
 
   useEffect(() => {
-    if (!loading && !token) router.push("/login");
+    if (!loading && !token) router.push("/auth");
   }, [loading, token, router]);
 
   useEffect(() => {
@@ -101,7 +102,7 @@ export default function ProfilePage() {
 
   const handleLogout = () => {
     logout();
-    router.push("/login");
+    router.push("/auth");
   };
 
   if (loading) {
@@ -413,6 +414,18 @@ export default function ProfilePage() {
           )}
         </div>
 
+        {/* Refer & Earn */}
+        <Link
+          href="/refer"
+          className="w-full flex items-center justify-between py-3.5 px-5 rounded-xl bg-[#D4AF37]/10 border border-[#D4AF37]/20 text-[#D4AF37] active:bg-[#D4AF37]/20 transition min-h-[48px]"
+        >
+          <div className="flex items-center gap-2">
+            <Gift size={16} />
+            <span className="text-sm font-medium">Refer & Earn FLH</span>
+          </div>
+          <ChevronRight size={16} />
+        </Link>
+
         {/* Logout */}
         <button
           onClick={handleLogout}