Initial Flutter project added

lib/screens/waiting_screen.dart

@@ -0,0 +1,39 @@
+import 'package:flutter/material.dart';
+
+class WaitingScreen extends StatelessWidget {
+  const WaitingScreen({super.key});
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      appBar: AppBar(title: const Text("Request Submitted")),
+      body: Padding(
+        padding: const EdgeInsets.all(18.0),
+        child: Center(
+          child: Column(mainAxisSize: MainAxisSize.min, children: [
+            Icon(Icons.hourglass_top, size: 72, color: Theme.of(context).primaryColor),
+            const SizedBox(height: 16),
+            const Text(
+              "Signup request submitted successfully.",
+              style: TextStyle(fontSize: 18, fontWeight: FontWeight.w600),
+              textAlign: TextAlign.center,
+            ),
+            const SizedBox(height: 8),
+            const Text(
+              "Please wait up to 24 hours for admin approval. You will receive an email once approved.",
+              textAlign: TextAlign.center,
+            ),
+            const SizedBox(height: 24),
+            ElevatedButton(
+              onPressed: () {
+                Navigator.of(context).popUntil((route) => route.isFirst);
+              },
+              child: const Padding(padding: EdgeInsets.symmetric(horizontal: 14, vertical: 12), child: Text("Back to Home")),
+              style: ElevatedButton.styleFrom(shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(12))),
+            ),
+          ]),
+        ),
+      ),
+    );
+  }
+}