Added: login screen

lib/main.dart

@@ -4,6 +4,7 @@ import 'screens/add_screen.dart';
 import 'screens/vehicles_screen.dart';
 import 'screens/history_screen.dart';
 import 'screens/user_settings.dart';
+import 'screens/login.dart';
 
 void main() {
   runApp(FuelStatsApp());
@@ -17,6 +18,7 @@ class FuelStatsApp extends StatelessWidget {
       themeMode: ThemeMode.dark,
       debugShowCheckedModeBanner: false,
       home: MainNavigation(),
+      //home: LoginScreen(),
     );
   }
 }
@@ -30,6 +32,16 @@ class MainNavigation extends StatefulWidget {
 
 class _MainNavigationState extends State<MainNavigation> {
   int _currentIndex = 0;
+  bool loggedIn = false;
+
+  @override
+  void initState() {
+    super.initState();
+
+    if(loggedIn == false) {
+      _currentIndex = 5;
+    }
+  }
 
   final List<Widget> _screens = [
     HomeScreen(),
@@ -37,6 +49,7 @@ class _MainNavigationState extends State<MainNavigation> {
     VehiclesScreen(),
     HistoryScreen(),
     UserSettingsScreen(),
+    LoginScreen()
   ];
 
   final List<Widget> titles = [

lib/screens/login.dart

@@ -0,0 +1,99 @@
+import 'package:flutter/material.dart';
+
+class LoginScreen extends StatefulWidget {
+  @override
+  State<LoginScreen> createState() => _LoginScreenState();
+}
+
+class _LoginScreenState extends State<LoginScreen> {
+  final _formKey = GlobalKey<FormState>();
+  final _emailController = TextEditingController();
+  final _passwordController = TextEditingController();
+
+  void _login() {
+    if (_formKey.currentState!.validate()) {
+      final email = _emailController.text;
+      final password = _passwordController.text;
+      // TODO: Replace with actual login logic
+      print('Logging in with $email and $password');
+      if(email == "test@test.com" && password == "Test1234") {
+        
+      }
+    }
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      appBar: AppBar(title: Text('User Login')),
+      body: Padding(
+        padding: const EdgeInsets.all(24.0),
+        child: Form(
+          key: _formKey,
+          child: Center(
+            child: SingleChildScrollView(
+              child: Column(
+                mainAxisAlignment: MainAxisAlignment.center,
+                children: [
+                  Text(
+                    'Log in to Fuel Stats',
+                    style: TextStyle(
+                      fontSize: 24,
+                      fontWeight: FontWeight.bold,
+                    ),
+                  ),
+                  const SizedBox(height: 32),
+                  TextFormField(
+                    controller: _emailController,
+                    decoration: InputDecoration(
+                      labelText: 'Email',
+                      prefixIcon: Icon(Icons.email),
+                      border: OutlineInputBorder(),
+                    ),
+                    keyboardType: TextInputType.emailAddress,
+                    validator: (value) {
+                      if (value == null || value.isEmpty)
+                        return 'Please enter your email';
+                      if (!RegExp(r'^[^@]+@[^@]+\.[^@]+').hasMatch(value))
+                        return 'Enter a valid email';
+                      return null;
+                    },
+                  ),
+                  const SizedBox(height: 16),
+                  TextFormField(
+                    controller: _passwordController,
+                    decoration: InputDecoration(
+                      labelText: 'Password',
+                      prefixIcon: Icon(Icons.lock),
+                      border: OutlineInputBorder(),
+                    ),
+                    obscureText: true,
+                    validator: (value) {
+                      if (value == null || value.isEmpty)
+                        return 'Please enter your password';
+                      if (value.length < 6)
+                        return 'Password must be at least 6 characters';
+                      return null;
+                    },
+                  ),
+                  const SizedBox(height: 24),
+                  ElevatedButton.icon(
+                    onPressed: _login,
+                    icon: Icon(Icons.login),
+                    label: Text('Log In'),
+                    style: ElevatedButton.styleFrom(
+                      backgroundColor: Colors.green,
+                      foregroundColor: Colors.white,
+                      padding: EdgeInsets.symmetric(horizontal: 32, vertical: 12),
+                    ),
+                  ),
+                ],
+              ),
+            ),
+          ),
+        ),
+      ),
+    );
+  }
+}
+