initial commit 2

lib/screens/home_screen.dart

@@ -0,0 +1,155 @@
+import 'package:flutter/material.dart';
+
+import '../models/address_entry.dart';
+import '../models/auth_session.dart';
+import '../services/auth_repository.dart';
+import '../services/address_repository.dart';
+import 'auth_screen.dart';
+
+class HomeScreen extends StatelessWidget {
+  const HomeScreen({
+    super.key,
+    required this.authRepository,
+    required this.addressRepository,
+    required this.session,
+    this.savedAddress,
+  });
+
+  final AuthRepository authRepository;
+  final AddressRepository addressRepository;
+  final AuthSession session;
+  final AddressEntry? savedAddress;
+
+  Future<void> _logOut(BuildContext context) async {
+    await authRepository.signOut();
+    if (!context.mounted) {
+      return;
+    }
+    Navigator.of(context).pushAndRemoveUntil(
+      MaterialPageRoute(
+        builder: (_) => AuthScreen(
+          authRepository: authRepository,
+          addressRepository: addressRepository,
+        ),
+      ),
+      (route) => false,
+    );
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      body: Container(
+        decoration: const BoxDecoration(
+          gradient: LinearGradient(
+            colors: [Color(0xFFF8FAFC), Color(0xFFE2E8F0), Color(0xFFCCFBF1)],
+            begin: Alignment.topCenter,
+            end: Alignment.bottomCenter,
+          ),
+        ),
+        child: SafeArea(
+          child: Center(
+            child: ConstrainedBox(
+              constraints: const BoxConstraints(maxWidth: 520),
+              child: Padding(
+                padding: const EdgeInsets.all(20),
+                child: Card(
+                  elevation: 12,
+                  shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(28)),
+                  child: SingleChildScrollView(
+                    padding: const EdgeInsets.all(24),
+                    child: Column(
+                      mainAxisSize: MainAxisSize.min,
+                      crossAxisAlignment: CrossAxisAlignment.stretch,
+                      children: [
+                        CircleAvatar(
+                          radius: 34,
+                          backgroundColor: const Color(0xFF0F766E).withValues(alpha: 0.12),
+                          child: Text(
+                            session.displayName.isNotEmpty ? session.displayName[0].toUpperCase() : 'U',
+                            style: const TextStyle(
+                              fontSize: 28,
+                              fontWeight: FontWeight.w800,
+                              color: Color(0xFF0F766E),
+                            ),
+                          ),
+                        ),
+                        const SizedBox(height: 16),
+                        Text(
+                          'Hola, ${session.displayName}',
+                          style: const TextStyle(fontSize: 28, fontWeight: FontWeight.w800),
+                        ),
+                        const SizedBox(height: 8),
+                        Text(
+                          session.email,
+                          style: TextStyle(color: Colors.grey.shade700),
+                        ),
+                        const SizedBox(height: 20),
+                        _InfoTile(
+                          icon: Icons.dns_outlined,
+                          title: 'Dirección guardada',
+                          subtitle: savedAddress == null
+                              ? 'Todavía no hay una dirección registrada para esta sesión.'
+                              : 'Casa ${savedAddress!.houseNumber}, Colonia ${savedAddress!.colonia}, Calle ${savedAddress!.street}',
+                        ),
+                        const SizedBox(height: 12),
+                        _InfoTile(
+                          icon: Icons.storage_outlined,
+                          title: 'Persistencia en PostgreSQL',
+                          subtitle: 'La dirección se envió al backend con el token de sesión para almacenarla en la base de datos.',
+                        ),
+                        const SizedBox(height: 24),
+                        FilledButton.icon(
+                          onPressed: () => _logOut(context),
+                          icon: const Icon(Icons.logout),
+                          label: const Text('Cerrar sesión'),
+                        ),
+                      ],
+                    ),
+                  ),
+                ),
+              ),
+            ),
+          ),
+        ),
+      ),
+    );
+  }
+}
+
+class _InfoTile extends StatelessWidget {
+  const _InfoTile({required this.icon, required this.title, required this.subtitle});
+
+  final IconData icon;
+  final String title;
+  final String subtitle;
+
+  @override
+  Widget build(BuildContext context) {
+    return Container(
+      padding: const EdgeInsets.all(16),
+      decoration: BoxDecoration(
+        color: const Color(0xFFF8FAFC),
+        borderRadius: BorderRadius.circular(18),
+        border: Border.all(color: const Color(0xFFE2E8F0)),
+      ),
+      child: Row(
+        crossAxisAlignment: CrossAxisAlignment.start,
+        children: [
+          Icon(icon, color: const Color(0xFF0F766E)),
+          const SizedBox(width: 12),
+          Expanded(
+            child: Column(
+              crossAxisAlignment: CrossAxisAlignment.start,
+              children: [
+                Text(title, style: const TextStyle(fontWeight: FontWeight.w700)),
+                const SizedBox(height: 4),
+                Text(subtitle, style: TextStyle(color: Colors.grey.shade700, height: 1.35)),
+              ],
+            ),
+          ),
+        ],
+      ),
+    );
+  }
+}