litecloud/lightcloud_app/lib/main.dart

import 'package:flutter/material.dart';

void main() {
  runApp(const MyApp());
}

class MyApp extends StatelessWidget {
  const MyApp({super.key});

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Litecloud alpha',
      theme: ThemeData(
        colorScheme:
            ColorScheme.fromSeed(seedColor: Color.fromARGB(255, 72, 4, 117)),
        useMaterial3: true,
      ),
      home: const AuthScreen(),
    );
  }
}

class AuthScreen extends StatefulWidget {
  const AuthScreen({super.key});

  @override
  State<AuthScreen> createState() => _AuthScreenState();
}

class _AuthScreenState extends State<AuthScreen> {
  bool _isLogin = true;

  void _toggleAuthMode() {
    setState(() {
      _isLogin = !_isLogin;
    });
  }

  @override
  Widget build(BuildContext context) {
    final deviceSize = MediaQuery.of(context).size;

    return Scaffold(
      body: Container(
        width: deviceSize.width,
        height: deviceSize.height,
        decoration: BoxDecoration(
          gradient: LinearGradient(
            colors: [Colors.purple, Color.fromARGB(255, 72, 4, 117)],
            begin: Alignment.topLeft,
            end: Alignment.bottomRight,
          ),
        ),
        child: SafeArea(
          child: SingleChildScrollView(
            child: Padding(
              padding: const EdgeInsets.all(16.0),
              child: Column(
                mainAxisAlignment: MainAxisAlignment.center,
                crossAxisAlignment: CrossAxisAlignment.stretch,
                children: [
                  const SizedBox(height: 60),
                  // Logo and tagline
                  Container(
                    margin: const EdgeInsets.only(bottom: 40.0),
                    child: Column(
                      children: [
                        Text(
                          'Litecloud',
                          style: TextStyle(
                            fontSize: 42,
                            fontWeight: FontWeight.bold,
                            color: Theme.of(context).colorScheme.onPrimary,
                          ),
                        ),
                        const SizedBox(height: 8),
                        Text(
                          'Rust based cloud storage',
                          style: TextStyle(
                            fontSize: 16,
                            color: Theme.of(context).colorScheme.onPrimary,
                          ),
                        ),
                        const SizedBox(height: 8),
                        Text(
                          'Version 0.0.1 pre-alpha',
                          style: TextStyle(
                            fontSize: 8,
                            color: Theme.of(context).colorScheme.onPrimary,
                          ),
                        ),
                      ],
                    ),
                  ),
                  // Auth card
                  Card(
                    margin: const EdgeInsets.symmetric(horizontal: 600.0),
                    elevation: 8.0,
                    shape: RoundedRectangleBorder(
                      borderRadius: BorderRadius.circular(16.0),
                    ),
                    child: Padding(
                      padding: const EdgeInsets.all(16.0),
                      child: Column(
                        children: [
                          Text(
                            _isLogin ? 'Login' : 'Register',
                            style: Theme.of(context).textTheme.headlineMedium,
                          ),
                          const SizedBox(height: 40),
                          TextFormField(
                            decoration: const InputDecoration(
                              labelText: 'Email',
                              prefixIcon: Icon(Icons.email),
                              border: OutlineInputBorder(),
                            ),
                            keyboardType: TextInputType.emailAddress,
                          ),
                          const SizedBox(height: 16),
                          TextFormField(
                            decoration: const InputDecoration(
                              labelText: 'Password',
                              prefixIcon: Icon(Icons.lock),
                              border: OutlineInputBorder(),
                            ),
                            obscureText: true,
                          ),
                          if (!_isLogin) const SizedBox(height: 16),
                          if (!_isLogin)
                            TextFormField(
                              decoration: const InputDecoration(
                                labelText: 'Confirm Password',
                                prefixIcon: Icon(Icons.lock),
                                border: OutlineInputBorder(),
                              ),
                              obscureText: true,
                            ),
                          const SizedBox(height: 24),
                          FilledButton(
                            onPressed: () {},
                            style: FilledButton.styleFrom(
                              minimumSize: const Size(double.infinity, 50),
                            ),
                            child: Text(
                              _isLogin ? 'LOGIN' : 'REGISTER',
                              style: const TextStyle(fontSize: 16),
                            ),
                          ),
                          const SizedBox(height: 12),
                          TextButton(
                            onPressed: _toggleAuthMode,
                            child: Text(
                              _isLogin
                                  ? 'Create new account'
                                  : 'I already have an account',
                            ),
                          ),
                        ],
                      ),
                    ),
                  ),
                ],
              ),
            ),
          ),
        ),
      ),
    );
  }
}