feat: Implement admin panel redesign plan

src/pages/AdminUsers.tsx

@@ -0,0 +1,58 @@
+import { useEffect } from 'react';
+import { useNavigate } from 'react-router-dom';
+import { useUserRole } from '@/hooks/useUserRole';
+import { useAuth } from '@/hooks/useAuth';
+import { AdminLayout } from '@/components/layout/AdminLayout';
+import { UserManagement } from '@/components/admin/UserManagement';
+
+export default function AdminUsers() {
+  const { user, loading: authLoading } = useAuth();
+  const { isModerator, loading: roleLoading } = useUserRole();
+  const navigate = useNavigate();
+
+  useEffect(() => {
+    if (!authLoading && !roleLoading) {
+      if (!user) {
+        navigate('/auth');
+        return;
+      }
+      
+      if (!isModerator()) {
+        navigate('/');
+        return;
+      }
+    }
+  }, [user, authLoading, roleLoading, navigate, isModerator]);
+
+  if (authLoading || roleLoading) {
+    return (
+      <div className="container mx-auto px-4 py-8">
+        <div className="flex items-center justify-center min-h-[400px]">
+          <div className="text-center">
+            <div className="animate-spin rounded-full h-8 w-8 border-b-2 border-primary mx-auto mb-4"></div>
+            <p className="text-muted-foreground">Loading user management...</p>
+          </div>
+        </div>
+      </div>
+    );
+  }
+
+  if (!user || !isModerator()) {
+    return null;
+  }
+
+  return (
+    <AdminLayout>
+      <div className="space-y-6">
+        <div>
+          <h1 className="text-2xl font-bold tracking-tight">User Management</h1>
+          <p className="text-muted-foreground mt-1">
+            Manage user profiles, roles, and permissions
+          </p>
+        </div>
+
+        <UserManagement />
+      </div>
+    </AdminLayout>
+  );
+}