fixed bugs

lib/main.dart

@@ -3,7 +3,7 @@ import 'package:flutter_localizations/flutter_localizations.dart';
 import 'package:intl/date_symbol_data_local.dart';
 import 'package:provider/provider.dart';
 
-import 'screens/login_page.dart';
+import 'screens/splash_page.dart';
 import 'state/app_state.dart';
 
 Future<void> main() async {
@@ -32,7 +32,7 @@ class MyApp extends StatelessWidget {
       supportedLocales: const [Locale('it', 'IT'), Locale('en', 'US')],
       locale: const Locale('it', 'IT'),
 
-      home: const LoginPage(),
+      home: const SplashPage(),
     );
   }
 }

lib/screens/account_page.dart

@@ -5,6 +5,7 @@ import 'package:image_picker/image_picker.dart';
 import '../models/school.dart';
 import '../services/vanguard_api.dart';
 import '../widgets/yogibook_background.dart';
+import '../widgets/app_bottom_nav.dart';
 
 class AccountPage extends StatefulWidget {
   final String token;
@@ -238,6 +239,12 @@ class _AccountPageState extends State<AccountPage> {
           style: TextStyle(fontWeight: FontWeight.w800, fontSize: 18),
         ),
       ),
+      bottomNavigationBar: AppBottomNav(
+        currentIndex: 2,
+        token: widget.token,
+        school: widget.school,
+        userFirstName: widget.userFirstName,
+      ),
       body: YogibookBackground(
         child: SafeArea(
           top: false,

lib/screens/home_page.dart

@@ -35,8 +35,6 @@ class _HomePageState extends State<HomePage> {
   static const Color kBg = Color(0xFFF6F6FB);
   static const Color kGreen = Color(0xFF10B981);
 
-  int bottomIndex = 0; // Home
-
   late final String zenQuote;
 
   @override
@@ -224,44 +222,6 @@ class _HomePageState extends State<HomePage> {
     );
   }
 
-  void _handleBottomNav(int i) {
-    setState(() => bottomIndex = i);
-
-    if (i == 0) return;
-    if (i == 1) {
-      _goLessons();
-      return;
-    }
-    if (i == 2) {
-      Navigator.push(
-        context,
-        MaterialPageRoute(
-          builder: (_) => AccountPage(
-            token: widget.token,
-            school: widget.school,
-            userFirstName: widget.userFirstName,
-          ),
-        ),
-      ).then((_) {
-        if (mounted) setState(() => bottomIndex = 0);
-      });
-      return;
-    }
-    if (i == 3) {
-      Navigator.pushReplacement(
-        context,
-        MaterialPageRoute(
-          builder: (_) => MeditationPage(
-            token: widget.token,
-            school: widget.school,
-            userFirstName: widget.userFirstName,
-          ),
-        ),
-      );
-      return;
-    }
-  }
-
   @override
   Widget build(BuildContext context) {
     return Scaffold(
@@ -299,8 +259,10 @@ class _HomePageState extends State<HomePage> {
       ),
 
       bottomNavigationBar: AppBottomNav(
-        currentIndex: bottomIndex,
+        currentIndex: 0,
-        onTap: _handleBottomNav,
+        token: widget.token,
+        school: widget.school,
+        userFirstName: widget.userFirstName,
       ),
 
       body: YogibookBackground(
@@ -378,16 +340,27 @@ class _HomePageState extends State<HomePage> {
                   onTap: () => Navigator.push(
                     context,
                     MaterialPageRoute(
-                      builder: (_) => OrdersDetailPage(token: widget.token),
+                      builder: (_) => OrdersDetailPage(
+                        token: widget.token,
+                        school: widget.school,
+                        userFirstName: widget.userFirstName,
+                      ),
                     ),
                   ),
                 ),
                 _HomeTile(
                   icon: Icons.person_rounded,
                   title: 'Account',
-                  subtitle: 'Profilo e impostazioni (TODO)',
+                  subtitle: 'Profilo e impostazioni',
-                  onTap: () => ScaffoldMessenger.of(context).showSnackBar(
+                  onTap: () => Navigator.push(
-                    const SnackBar(content: Text('TODO: Account')),
+                    context,
+                    MaterialPageRoute(
+                      builder: (_) => AccountPage(
+                        token: widget.token,
+                        school: widget.school,
+                        userFirstName: widget.userFirstName,
+                      ),
+                    ),
                   ),
                 ),
 

lib/screens/lessons_page.dart

@@ -37,8 +37,6 @@ class _LessonsPageState extends State<LessonsPage> {
   LessonsSummary? summary;
   List<Lesson> lessons = [];
 
-  int bottomIndex = 1;
-
   @override
   void initState() {
     super.initState();
@@ -104,48 +102,6 @@ class _LessonsPageState extends State<LessonsPage> {
   String get _name => (widget.userFirstName ?? '').trim();
   String get _avatarLetter => _name.isNotEmpty ? _name[0].toUpperCase() : 'U';
 
-  void _handleBottomNav(int i) {
-    if (i == bottomIndex) return;
-    setState(() => bottomIndex = i);
-
-    if (i == 0) {
-      Navigator.pushReplacement(
-        context,
-        MaterialPageRoute(
-          builder: (_) => HomePage(
-            token: widget.token,
-            school: widget.school,
-            userFirstName: widget.userFirstName,
-          ),
-        ),
-      );
-      return;
-    }
-
-    if (i == 1) return; // sei già su Lezioni
-
-    if (i == 2) {
-      ScaffoldMessenger.of(
-        context,
-      ).showSnackBar(const SnackBar(content: Text('TODO: vai ad Account')));
-      return;
-    }
-
-    if (i == 3) {
-      Navigator.pushReplacement(
-        context,
-        MaterialPageRoute(
-          builder: (_) => MeditationPage(
-            token: widget.token,
-            school: widget.school,
-            userFirstName: widget.userFirstName,
-          ),
-        ),
-      );
-      return;
-    }
-  }
-
   @override
   Widget build(BuildContext context) {
     return Scaffold(
@@ -195,8 +151,10 @@ class _LessonsPageState extends State<LessonsPage> {
         ],
       ),
       bottomNavigationBar: AppBottomNav(
-        currentIndex: bottomIndex,
+        currentIndex: 1,
-        onTap: _handleBottomNav,
+        token: widget.token,
+        school: widget.school,
+        userFirstName: widget.userFirstName,
       ),
 
       body: YogibookBackground(
@@ -388,47 +346,53 @@ class _SummaryStrip extends StatelessWidget {
       _SummaryItem('Perse', summary.lost, const Color(0xFFFBC7C4)),
     ];
 
-    return SizedBox(
+    // 3 colonne, spaziatura tra i box
-      height: 76,
+    const spacing = 8.0;
-      child: ListView.separated(
+    const columns = 3;
-        scrollDirection: Axis.horizontal,
+
-        itemCount: items.length,
+    return LayoutBuilder(
-        separatorBuilder: (_, __) => const SizedBox(width: 8),
+      builder: (context, constraints) {
-        itemBuilder: (_, i) {
+        final boxWidth =
-          final it = items[i];
+            (constraints.maxWidth - spacing * (columns - 1)) / columns;
-          return Container(
+
-            width: 96,
+        return Wrap(
-            padding: const EdgeInsets.all(8),
+          spacing: spacing,
-            decoration: BoxDecoration(
+          runSpacing: spacing,
-              color: it.color,
+          children: items.map((it) {
-              borderRadius: BorderRadius.circular(12),
+            return Container(
-            ),
+              width: boxWidth,
-            child: Column(
+              padding: const EdgeInsets.symmetric(vertical: 10, horizontal: 6),
-              mainAxisAlignment: MainAxisAlignment.center,
+              decoration: BoxDecoration(
-              children: [
+                color: it.color,
-                Text(
+                borderRadius: BorderRadius.circular(12),
-                  '${it.value}',
+              ),
-                  style: const TextStyle(
+              child: Column(
-                    fontSize: 22,
+                mainAxisAlignment: MainAxisAlignment.center,
-                    fontWeight: FontWeight.w900,
+                children: [
+                  Text(
+                    '${it.value}',
+                    style: const TextStyle(
+                      fontSize: 22,
+                      fontWeight: FontWeight.w900,
+                    ),
                   ),
-                ),
+                  const SizedBox(height: 2),
-                const SizedBox(height: 2),
+                  Text(
-                Text(
+                    it.label,
-                  it.label,
+                    textAlign: TextAlign.center,
-                  textAlign: TextAlign.center,
+                    style: const TextStyle(
-                  style: const TextStyle(
+                      fontSize: 11,
-                    fontSize: 10,
+                      fontWeight: FontWeight.w700,
-                    fontWeight: FontWeight.w700,
+                    ),
+                    maxLines: 2,
+                    overflow: TextOverflow.ellipsis,
                   ),
-                  maxLines: 2,
+                ],
-                  overflow: TextOverflow.ellipsis,
+              ),
-                ),
+            );
-              ],
+          }).toList(),
-            ),
+        );
-          );
+      },
-        },
-      ),
     );
   }
 }

lib/screens/login_page.dart

@@ -18,6 +18,7 @@ class _LoginPageState extends State<LoginPage> {
   // ---- UI state
   bool loading = false;
   String error = '';
+  bool _obscurePassword = true;
 
   // Scuola unica (YogaSoul). Il DB non ha il concetto di scuola:
   // questo oggetto serve solo a soddisfare le pagine che mostrano nome/indirizzo.
@@ -61,7 +62,21 @@ class _LoginPageState extends State<LoginPage> {
         ),
       );
     } catch (e) {
-      setState(() => error = 'Errore login: $e');
+      final msg = e.toString();
+      String friendly;
+      if (msg.contains('401') || msg.contains('403')) {
+        friendly = 'Email o password non corretti.';
+      } else if (msg.contains('SocketException') ||
+          msg.contains('Failed host lookup') ||
+          msg.contains('Connection')) {
+        friendly = 'Nessuna connessione. Controlla la rete e riprova.';
+      } else if (msg.contains('timed out') ||
+          msg.contains('TimeoutException')) {
+        friendly = 'Il server non risponde. Riprova tra poco.';
+      } else {
+        friendly = 'Accesso non riuscito. Riprova.';
+      }
+      setState(() => error = friendly);
     } finally {
       if (mounted) setState(() => loading = false);
     }
@@ -175,44 +190,44 @@ class _LoginPageState extends State<LoginPage> {
                         controller: emailController,
                         keyboardType: TextInputType.emailAddress,
                         textInputAction: TextInputAction.next,
-                        decoration: InputDecoration(
+                        decoration: const InputDecoration(
                           labelText: 'Email / Username',
-                          border: const OutlineInputBorder(),
+                          border: OutlineInputBorder(),
-                          enabled: !loading,
                         ),
                       ),
                       const SizedBox(height: 12),
 
                       TextField(
                         controller: passwordController,
-                        obscureText: true,
+                        obscureText: _obscurePassword,
                         textInputAction: TextInputAction.done,
                         onSubmitted: (_) => loading ? null : doLogin(),
                         decoration: InputDecoration(
                           labelText: 'Password',
                           border: const OutlineInputBorder(),
                           enabled: !loading,
+                          suffixIcon: IconButton(
+                            icon: Icon(
+                              _obscurePassword
+                                  ? Icons.visibility
+                                  : Icons.visibility_off,
+                            ),
+                            onPressed: loading
+                                ? null
+                                : () => setState(
+                                    () => _obscurePassword = !_obscurePassword,
+                                  ),
+                          ),
                         ),
                       ),
 
                       const SizedBox(height: 10),
-                      Row(
+                      Align(
-                        mainAxisAlignment: MainAxisAlignment.spaceBetween,
+                        alignment: Alignment.centerRight,
-                        children: [
+                        child: TextButton(
-                          TextButton(
+                          onPressed: loading ? null : forgotPassword,
-                            onPressed: loading ? null : forgotPassword,
+                          child: const Text('Recupero password'),
-                            child: const Text('Recupero password'),
+                        ),
-                          ),
-                          TextButton(
-                            onPressed: () =>
-                                ScaffoldMessenger.of(context).showSnackBar(
-                                  const SnackBar(
-                                    content: Text('Registrazione: dopo.'),
-                                  ),
-                                ),
-                            child: const Text('Registrati'),
-                          ),
-                        ],
                       ),
 
                       if (error.isNotEmpty) ...[

lib/screens/medical_certificates_page.dart

@@ -50,9 +50,6 @@ class _MedicalCertificatesPageState extends State<MedicalCertificatesPage> {
   DateTime? expiryDate;
   bool uploading = false;
 
-  // ✅ questa pagina è "sezione account"
-  int bottomIndex = 2;
-
   @override
   void initState() {
     super.initState();
@@ -286,54 +283,6 @@ class _MedicalCertificatesPageState extends State<MedicalCertificatesPage> {
 
   bool _isPdfPath(String p) => p.toLowerCase().endsWith('.pdf');
 
-  Future<void> _goTo(Widget page) async {
-    if (!mounted) return;
-    Navigator.pushReplacement(context, MaterialPageRoute(builder: (_) => page));
-  }
-
-  void _handleBottomNav(int i) {
-    if (i == bottomIndex) return;
-    setState(() => bottomIndex = i);
-
-    if (i == 0) {
-      _goTo(
-        HomePage(
-          token: widget.token,
-          school: widget.school,
-          userFirstName: widget.userFirstName,
-        ),
-      );
-      return;
-    }
-
-    if (i == 1) {
-      _goTo(
-        LessonsPage(
-          token: widget.token,
-          school: widget.school,
-          userFirstName: widget.userFirstName,
-        ),
-      );
-      return;
-    }
-
-    if (i == 2) {
-      // siamo già in "area account", non facciamo nulla (o TODO)
-      return;
-    }
-
-    if (i == 3) {
-      _goTo(
-        MeditationPage(
-          token: widget.token,
-          school: widget.school,
-          userFirstName: widget.userFirstName,
-        ),
-      );
-      return;
-    }
-  }
-
   @override
   Widget build(BuildContext context) {
     return Scaffold(
@@ -359,10 +308,11 @@ class _MedicalCertificatesPageState extends State<MedicalCertificatesPage> {
         ],
       ),
 
-      // ✅ Bottom nav standard (come MeditationPage)
       bottomNavigationBar: AppBottomNav(
-        currentIndex: bottomIndex,
+        currentIndex: 2,
-        onTap: _handleBottomNav,
+        token: widget.token,
+        school: widget.school,
+        userFirstName: widget.userFirstName,
       ),
 
       body: YogibookBackground(

lib/screens/meditation_page.dart

@@ -64,8 +64,6 @@ class _MeditationPageState extends State<MeditationPage>
   late final AnimationController _pulseCtrl;
   late final AnimationController _squareCtrl;
 
-  int bottomIndex = 3; // Meditazione
-
   @override
   void initState() {
     super.initState();
@@ -256,42 +254,6 @@ class _MeditationPageState extends State<MeditationPage>
     Navigator.pushReplacement(context, MaterialPageRoute(builder: (_) => page));
   }
 
-  void _handleBottomNav(int i) {
-    if (i == bottomIndex) return;
-    setState(() => bottomIndex = i);
-
-    if (i == 0) {
-      _goTo(
-        HomePage(
-          token: widget.token,
-          school: widget.school,
-          userFirstName: widget.userFirstName,
-        ),
-      );
-      return;
-    }
-
-    if (i == 1) {
-      _goTo(
-        LessonsPage(
-          token: widget.token,
-          school: widget.school,
-          userFirstName: widget.userFirstName,
-        ),
-      );
-      return;
-    }
-
-    if (i == 2) {
-      ScaffoldMessenger.of(
-        context,
-      ).showSnackBar(const SnackBar(content: Text('TODO: vai ad Account')));
-      return;
-    }
-
-    // i == 3 => già qui
-  }
-
   @override
   Widget build(BuildContext context) {
     final bubbleScale = Tween<double>(
@@ -340,31 +302,15 @@ class _MeditationPageState extends State<MeditationPage>
           ),
         ],
       ),
-      bottomNavigationBar: BottomNavigationBar(
+      bottomNavigationBar: AppBottomNav(
-        type: BottomNavigationBarType.fixed,
+        currentIndex: 3,
-        backgroundColor: Colors.white,
+        token: widget.token,
-        selectedItemColor: kGreen,
+        school: widget.school,
-        unselectedItemColor: Colors.black54,
+        userFirstName: widget.userFirstName,
-        currentIndex: bottomIndex,
+        onBeforeLeave: () async {
-        onTap: _handleBottomNav,
+          _pause();
-        items: const [
+          await _stopMusic();
-          BottomNavigationBarItem(
+        },
-            icon: Icon(Icons.home_rounded),
-            label: 'Home',
-          ),
-          BottomNavigationBarItem(
-            icon: Icon(Icons.event_note_rounded),
-            label: 'Lezioni',
-          ),
-          BottomNavigationBarItem(
-            icon: Icon(Icons.person_rounded),
-            label: 'Account',
-          ),
-          BottomNavigationBarItem(
-            icon: Icon(Icons.self_improvement_rounded),
-            label: 'Meditazione',
-          ),
-        ],
       ),
       body: YogibookBackground(
         child: SafeArea(

lib/screens/orders_detail_page.dart

@@ -1,15 +1,24 @@
 import 'package:flutter/material.dart';
 import 'package:intl/intl.dart';
 import '../models/lesson.dart';
+import '../models/school.dart';
 import '../services/lessons_api.dart';
 import '../widgets/yogibook_background.dart';
+import '../widgets/app_bottom_nav.dart';
 
 /// Schermata "I miei ordini": lista ordini con conteggi.
 /// Toccando un ordine si apre il dettaglio (box + lezioni).
 class OrdersDetailPage extends StatefulWidget {
   final String token;
+  final School school;
+  final String? userFirstName;
 
-  const OrdersDetailPage({super.key, required this.token});
+  const OrdersDetailPage({
+    super.key,
+    required this.token,
+    required this.school,
+    this.userFirstName,
+  });
 
   @override
   State<OrdersDetailPage> createState() => _OrdersDetailPageState();
@@ -63,6 +72,12 @@ class _OrdersDetailPageState extends State<OrdersDetailPage> {
           style: TextStyle(fontWeight: FontWeight.w800, fontSize: 18),
         ),
       ),
+      bottomNavigationBar: AppBottomNav(
+        currentIndex: 1,
+        token: widget.token,
+        school: widget.school,
+        userFirstName: widget.userFirstName,
+      ),
       body: YogibookBackground(
         child: SafeArea(
           top: false,

lib/screens/splash_page.dart

@@ -0,0 +1,150 @@
+import 'dart:async';
+import 'package:flutter/material.dart';
+
+import 'login_page.dart';
+
+class SplashPage extends StatefulWidget {
+  const SplashPage({super.key});
+
+  @override
+  State<SplashPage> createState() => _SplashPageState();
+}
+
+class _SplashPageState extends State<SplashPage> {
+  // rosso bordeaux ripreso dal cuore del logo YogaSoul
+  static const Color kRed = Color(0xFFB01E28);
+
+  Timer? _timer;
+
+  @override
+  void initState() {
+    super.initState();
+    // dopo ~2.5s vai al login
+    _timer = Timer(const Duration(milliseconds: 5000), _goToLogin);
+  }
+
+  @override
+  void dispose() {
+    _timer?.cancel();
+    super.dispose();
+  }
+
+  void _goToLogin() {
+    if (!mounted) return;
+    Navigator.pushReplacement(
+      context,
+      MaterialPageRoute(builder: (_) => const LoginPage()),
+    );
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      // tocca lo schermo per saltare subito al login
+      body: GestureDetector(
+        onTap: _goToLogin,
+        child: Stack(
+          fit: StackFit.expand,
+          children: [
+            // ---- Foto di sfondo full-screen
+            Image.asset('assets/images/splash_bg.png', fit: BoxFit.cover),
+
+            // ---- Contenuto (logo + testo) in alto
+            SafeArea(
+              child: Padding(
+                padding: const EdgeInsets.fromLTRB(24, 10, 24, 24),
+                child: Column(
+                  crossAxisAlignment: CrossAxisAlignment.center,
+                  children: [
+                    const SizedBox(height: 8),
+
+                    // Logo YogaSoul
+                    Image.asset(
+                      'assets/images/yogasoul_logo.png',
+                      height: 90,
+                      fit: BoxFit.contain,
+                    ),
+
+                    const SizedBox(height: 26),
+
+                    // ---- Blocco testo su velo bianco morbido per leggibilità
+                    Container(
+                      padding: const EdgeInsets.symmetric(
+                        horizontal: 18,
+                        vertical: 16,
+                      ),
+                      decoration: BoxDecoration(
+                        // velo bianco semitrasparente: stacca il testo dal cielo
+                        color: Colors.white.withOpacity(0.42),
+                        borderRadius: BorderRadius.circular(20),
+                      ),
+                      child: Column(
+                        children: [
+                          // Titolo riga 1 (scuro)
+                          const Text(
+                            'Il tuo spazio.',
+                            textAlign: TextAlign.center,
+                            style: TextStyle(
+                              fontSize: 30,
+                              height: 1.1,
+                              fontWeight: FontWeight.w900,
+                              color: Color(0xFF1F1F1F),
+                            ),
+                          ),
+                          // Titolo riga 2 (rosso bordeaux)
+                          const Text(
+                            'La tua energia.',
+                            textAlign: TextAlign.center,
+                            style: TextStyle(
+                              fontSize: 30,
+                              height: 1.1,
+                              fontWeight: FontWeight.w900,
+                              color: kRed,
+                            ),
+                          ),
+
+                          const SizedBox(height: 14),
+
+                          // Sottotitolo
+                          const Text(
+                            'Ti diamo il benvenuto in YogiBook,\n'
+                            'l’app della scuola YogaSoul — Seregno.\n'
+                            'Ti accompagna nelle tue lezioni e nei tuoi pacchetti.',
+                            textAlign: TextAlign.center,
+                            style: TextStyle(
+                              fontSize: 14,
+                              height: 1.4,
+                              fontWeight: FontWeight.w600,
+                              color: Color(0xFF2A2A2A),
+                            ),
+                          ),
+                        ],
+                      ),
+                    ),
+                  ],
+                ),
+              ),
+            ),
+
+            // ---- Indicatore caricamento in basso
+            const Positioned(
+              left: 0,
+              right: 0,
+              bottom: 34,
+              child: Center(
+                child: SizedBox(
+                  width: 26,
+                  height: 26,
+                  child: CircularProgressIndicator(
+                    strokeWidth: 2.4,
+                    valueColor: AlwaysStoppedAnimation(Colors.white),
+                  ),
+                ),
+              ),
+            ),
+          ],
+        ),
+      ),
+    );
+  }
+}

lib/select_school_page.dart

@@ -1,84 +0,0 @@
-import 'package:flutter/material.dart';
-import 'main.dart'; // per VanguardApi
-
-class SelectSchoolPage extends StatefulWidget {
-  final String token;
-
-  const SelectSchoolPage({super.key, required this.token});
-
-  @override
-  State<SelectSchoolPage> createState() => _SelectSchoolPageState();
-}
-
-class _SelectSchoolPageState extends State<SelectSchoolPage> {
-  bool loading = true;
-  String error = '';
-  List schools = [];
-
-  @override
-  void initState() {
-    super.initState();
-    _loadSchools();
-  }
-
-  Future<void> _loadSchools() async {
-    try {
-      final data = await VanguardApi.getUserSchools(token: widget.token);
-
-      if (data['success'] != true) {
-        throw Exception(data['message'] ?? 'Errore sconosciuto');
-      }
-
-      final List list = data['schools'] ?? [];
-
-      // Auto select
-      if (data['auto_select'] == true && list.length == 1) {
-        _enterSchool(list.first);
-        return;
-      }
-
-      setState(() {
-        schools = list;
-        loading = false;
-      });
-    } catch (e) {
-      setState(() {
-        error = e.toString();
-        loading = false;
-      });
-    }
-  }
-
-  void _enterSchool(Map school) {
-    // per ora debug
-    Navigator.pushReplacement(
-      context,
-      MaterialPageRoute(builder: (_) => SuccessPage(token: widget.token)),
-    );
-  }
-
-  @override
-  Widget build(BuildContext context) {
-    return Scaffold(
-      appBar: AppBar(title: const Text('Scegli la scuola')),
-      body: loading
-          ? const Center(child: CircularProgressIndicator())
-          : error.isNotEmpty
-          ? Center(child: Text(error))
-          : ListView.builder(
-              itemCount: schools.length,
-              itemBuilder: (context, i) {
-                final s = schools[i];
-                return ListTile(
-                  leading: s['logo'] != null
-                      ? Image.network(s['logo'], width: 40)
-                      : const Icon(Icons.school),
-                  title: Text(s['name']),
-                  subtitle: Text(s['address_full'] ?? ''),
-                  onTap: () => _enterSchool(s),
-                );
-              },
-            ),
-    );
-  }
-}

lib/widgets/app_bottom_nav.dart

@@ -1,15 +1,79 @@
 import 'package:flutter/material.dart';
 
+import '../models/school.dart';
+import '../screens/home_page.dart';
+import '../screens/lessons_page.dart';
+import '../screens/account_page.dart';
+import '../screens/meditation_page.dart';
+
+/// Bottom navigation centralizzata.
+/// Gestisce da sé la navigazione tra le 4 tab principali.
+/// Ogni pagina passa solo il proprio [currentIndex] e i dati utente.
+///
+/// [onBeforeLeave] è opzionale: le pagine che devono fare pulizia prima di
+/// uscire (es. Meditazione che ferma musica/timer) lo passano.
 class AppBottomNav extends StatelessWidget {
   final int currentIndex;
-  final ValueChanged<int> onTap;
+  final String token;
+  final School school;
+  final String? userFirstName;
+  final Future<void> Function()? onBeforeLeave;
 
   const AppBottomNav({
     super.key,
     required this.currentIndex,
-    required this.onTap,
+    required this.token,
+    required this.school,
+    this.userFirstName,
+    this.onBeforeLeave,
   });
 
+  Future<void> _go(BuildContext context, int i) async {
+    if (i == currentIndex) return;
+
+    // pulizia eventuale (musica/timer) prima di lasciare la pagina
+    if (onBeforeLeave != null) {
+      await onBeforeLeave!();
+    }
+    if (!context.mounted) return;
+
+    Widget page;
+    switch (i) {
+      case 0:
+        page = HomePage(
+          token: token,
+          school: school,
+          userFirstName: userFirstName,
+        );
+        break;
+      case 1:
+        page = LessonsPage(
+          token: token,
+          school: school,
+          userFirstName: userFirstName,
+        );
+        break;
+      case 2:
+        page = AccountPage(
+          token: token,
+          school: school,
+          userFirstName: userFirstName,
+        );
+        break;
+      case 3:
+        page = MeditationPage(
+          token: token,
+          school: school,
+          userFirstName: userFirstName,
+        );
+        break;
+      default:
+        return;
+    }
+
+    Navigator.pushReplacement(context, MaterialPageRoute(builder: (_) => page));
+  }
+
   @override
   Widget build(BuildContext context) {
     return BottomNavigationBar(
@@ -18,7 +82,7 @@ class AppBottomNav extends StatelessWidget {
       selectedItemColor: const Color(0xFF10B981),
       unselectedItemColor: Colors.black54,
       currentIndex: currentIndex,
-      onTap: onTap,
+      onTap: (i) => _go(context, i),
       items: const [
         BottomNavigationBarItem(icon: Icon(Icons.home_rounded), label: 'Home'),
         BottomNavigationBarItem(

lib/widgets/app_drawer.dart

@@ -127,7 +127,11 @@ class AppDrawer extends StatelessWidget {
                 Navigator.push(
                   context,
                   MaterialPageRoute(
-                    builder: (_) => OrdersDetailPage(token: token),
+                    builder: (_) => OrdersDetailPage(
+                      token: token,
+                      school: school,
+                      userFirstName: userFirstName,
+                    ),
                   ),
                 );
               },

pubspec.yaml

@@ -67,6 +67,8 @@ flutter:
   uses-material-design: true
   assets:
     - assets/images/yogibook_logo.png
+    - assets/images/splash_bg.png
+    - assets/images/yogasoul_logo.png
     - assets/audio/meditation.mp3
 
   # To add assets to your application, add an assets section, like this: