V0.9.65 ui changes

frontend/src/components/UserManagerModal.jsx

@@ -201,11 +201,14 @@ function UserRow({ u, onUpdated }) {
 }
 
 export default function UserManagerModal({ onClose }) {
+  const isMobile = window.innerWidth < 768;
   const toast = useToast();
   const [users, setUsers] = useState([]);
   const [loading, setLoading] = useState(true);
   const [search, setSearch] = useState('');
   const [tab, setTab] = useState('users');
+  // Reset bulk tab if somehow active on mobile
+  useEffect(() => { if(isMobile && tab === 'bulk') setTab('users'); }, [isMobile]);
   const [creating, setCreating] = useState(false);
   const [form, setForm] = useState({ name: '', email: '', password: '', role: 'member' });
 
@@ -293,7 +296,7 @@ export default function UserManagerModal({ onClose }) {
         <div className="flex gap-2" style={{ marginBottom: 20 }}>
           <button className={`btn btn-sm ${tab === 'users' ? 'btn-primary' : 'btn-secondary'}`} onClick={() => setTab('users')}>All Users ({users.length})</button>
           <button className={`btn btn-sm ${tab === 'create' ? 'btn-primary' : 'btn-secondary'}`} onClick={() => setTab('create')}>+ Create User</button>
-          <button className={`btn btn-sm ${tab === 'bulk' ? 'btn-primary' : 'btn-secondary'}`} onClick={() => setTab('bulk')}>Bulk Import CSV</button>
+          {!isMobile && <button className={`btn btn-sm ${tab === 'bulk' ? 'btn-primary' : 'btn-secondary'}`} onClick={() => setTab('bulk')}>Bulk Import CSV</button>}
         </div>
 
         {/* Users list — accordion */}