Add i18n support and integrate localized strings across modules (Login, AppShell, etc.)

finlog_app/app/assets/i18n/de.i18n.json

@@ -1,8 +1,30 @@
 {
   "hello": "Hallo $name",
   "login": {
+    "title": "Login",
+    "pleaseSignIn": "Bitte melden Sie sich an",
+    "signingIn": "Melde Sie an…",
     "success": "Login erfolgreich"
   },
+  "dashboard": {
+    "welcome": "Dashboard – Willkommen bei Finlog"
+  },
+  "budget": {
+    "title": "Budgets"
+  },
+  "app": {
+    "navigationSettings": "Einstellungen",
+    "navigationDashboard": "Dashboard",
+    "navigationBudgets": "Budgets",
+    "navigationInventory": "Inventar",
+    "navigationReports": "Berichte",
+    "tooltipMenu": "Menü",
+    "tooltipNotifications": "Benachrichtigungen",
+    "tooltipUserSettings": "Benutzer-Einstellungen",
+    "tooltipCollapseRail": "Leiste verkleinern",
+    "tooltipExpandRail": "Leiste erweitern",
+    "drawerSettings": "Einstellungen"
+  },
   "settings": {
     "title": "Einstellungen",
     "sections": {
@@ -21,6 +43,38 @@
     },
     "messages": {
       "logoutNotImplemented": "Logout… (noch nicht implementiert)"
+    },
+    "app": {
+      "systemBackground": "System-Hintergrundfarbe",
+      "systemDefault": "Systemstandard",
+      "darkMode": "Dark Mode",
+      "lightMode": "Light Mode",
+      "textSize": "Textgröße",
+      "system": "System",
+      "small": "Klein",
+      "medium": "Mittel",
+      "large": "Groß",
+      "language": "Sprache",
+      "german": "Deutsch",
+      "english": "Englisch"
+    },
+    "personalData": {
+      "name": "Name",
+      "maxMustermann": "Max Mustermann",
+      "changePassword": "Passwort ändern",
+      "twoFactor": "2-Faktor-Authentifizierung",
+      "off": "Aus"
+    },
+    "accountManagement": {
+      "email": "E-Mail"
+    },
+    "help": {
+      "faq": "FAQ",
+      "sendFeedback": "Feedback senden"
+    },
+    "legal": {
+      "privacy": "Datenschutz",
+      "termsOfService": "Nutzungsbedingungen"
     }
   }
 }

finlog_app/app/assets/i18n/en.i18n.json

@@ -1,8 +1,30 @@
 {
   "hello": "Hello $name",
   "login": {
+    "title": "Login",
+    "pleaseSignIn": "Please sign in",
+    "signingIn": "Signing you in…",
     "success": "Logged in successfully"
   },
+  "dashboard": {
+    "welcome": "Dashboard – Welcome to Finlog"
+  },
+  "budget": {
+    "title": "Budgets"
+  },
+  "app": {
+    "navigationSettings": "Settings",
+    "navigationDashboard": "Dashboard",
+    "navigationBudgets": "Budgets",
+    "navigationInventory": "Inventory",
+    "navigationReports": "Reports",
+    "tooltipMenu": "Menu",
+    "tooltipNotifications": "Notifications",
+    "tooltipUserSettings": "User Settings",
+    "tooltipCollapseRail": "Collapse Rail",
+    "tooltipExpandRail": "Expand Rail",
+    "drawerSettings": "Settings"
+  },
   "settings": {
     "title": "Settings",
     "sections": {
@@ -21,6 +43,38 @@
     },
     "messages": {
       "logoutNotImplemented": "Logout… (not implemented yet)"
+    },
+    "app": {
+      "systemBackground": "System Background Color",
+      "systemDefault": "System Default",
+      "darkMode": "Dark Mode",
+      "lightMode": "Light Mode",
+      "textSize": "Text Size",
+      "system": "System",
+      "small": "Small",
+      "medium": "Medium",
+      "large": "Large",
+      "language": "Language",
+      "german": "German",
+      "english": "English"
+    },
+    "personalData": {
+      "name": "Name",
+      "maxMustermann": "Max Mustermann",
+      "changePassword": "Change Password",
+      "twoFactor": "Two-Factor Authentication",
+      "off": "Off"
+    },
+    "accountManagement": {
+      "email": "Email"
+    },
+    "help": {
+      "faq": "FAQ",
+      "sendFeedback": "Send Feedback"
+    },
+    "legal": {
+      "privacy": "Privacy",
+      "termsOfService": "Terms of Service"
     }
   }
 }

finlog_app/app/lib/core/i18n/translations.g.dart

@@ -4,9 +4,9 @@
 /// To regenerate, run: `dart run slang`
 ///
 /// Locales: 2
-/// Strings: 28 (14 per locale)
+/// Strings: 104 (52 per locale)
 ///
-/// Built on 2025-09-27 at 09:55 UTC
+/// Built on 2025-09-27 at 10:12 UTC
 
 // coverage:ignore-file
 // ignore_for_file: type=lint, unused_import

finlog_app/app/lib/core/i18n/translations_de.g.dart

@@ -38,6 +38,9 @@ class TranslationsDe implements Translations {
 	// Translations
 	@override String hello({required Object name}) => 'Hallo ${name}';
 	@override late final _TranslationsLoginDe login = _TranslationsLoginDe._(_root);
+	@override late final _TranslationsDashboardDe dashboard = _TranslationsDashboardDe._(_root);
+	@override late final _TranslationsBudgetDe budget = _TranslationsBudgetDe._(_root);
+	@override late final _TranslationsAppDe app = _TranslationsAppDe._(_root);
 	@override late final _TranslationsSettingsDe settings = _TranslationsSettingsDe._(_root);
 }
 
@@ -48,9 +51,52 @@ class _TranslationsLoginDe implements TranslationsLoginEn {
 	final TranslationsDe _root; // ignore: unused_field
 
 	// Translations
+	@override String get title => 'Login';
+	@override String get pleaseSignIn => 'Bitte melden Sie sich an';
+	@override String get signingIn => 'Melde Sie an…';
 	@override String get success => 'Login erfolgreich';
 }
 
+// Path: dashboard
+class _TranslationsDashboardDe implements TranslationsDashboardEn {
+	_TranslationsDashboardDe._(this._root);
+
+	final TranslationsDe _root; // ignore: unused_field
+
+	// Translations
+	@override String get welcome => 'Dashboard – Willkommen bei Finlog';
+}
+
+// Path: budget
+class _TranslationsBudgetDe implements TranslationsBudgetEn {
+	_TranslationsBudgetDe._(this._root);
+
+	final TranslationsDe _root; // ignore: unused_field
+
+	// Translations
+	@override String get title => 'Budgets';
+}
+
+// Path: app
+class _TranslationsAppDe implements TranslationsAppEn {
+	_TranslationsAppDe._(this._root);
+
+	final TranslationsDe _root; // ignore: unused_field
+
+	// Translations
+	@override String get navigationSettings => 'Einstellungen';
+	@override String get navigationDashboard => 'Dashboard';
+	@override String get navigationBudgets => 'Budgets';
+	@override String get navigationInventory => 'Inventar';
+	@override String get navigationReports => 'Berichte';
+	@override String get tooltipMenu => 'Menü';
+	@override String get tooltipNotifications => 'Benachrichtigungen';
+	@override String get tooltipUserSettings => 'Benutzer-Einstellungen';
+	@override String get tooltipCollapseRail => 'Leiste verkleinern';
+	@override String get tooltipExpandRail => 'Leiste erweitern';
+	@override String get drawerSettings => 'Einstellungen';
+}
+
 // Path: settings
 class _TranslationsSettingsDe implements TranslationsSettingsEn {
 	_TranslationsSettingsDe._(this._root);
@@ -62,6 +108,11 @@ class _TranslationsSettingsDe implements TranslationsSettingsEn {
 	@override late final _TranslationsSettingsSectionsDe sections = _TranslationsSettingsSectionsDe._(_root);
 	@override late final _TranslationsSettingsItemsDe items = _TranslationsSettingsItemsDe._(_root);
 	@override late final _TranslationsSettingsMessagesDe messages = _TranslationsSettingsMessagesDe._(_root);
+	@override late final _TranslationsSettingsAppDe app = _TranslationsSettingsAppDe._(_root);
+	@override late final _TranslationsSettingsPersonalDataDe personalData = _TranslationsSettingsPersonalDataDe._(_root);
+	@override late final _TranslationsSettingsAccountManagementDe accountManagement = _TranslationsSettingsAccountManagementDe._(_root);
+	@override late final _TranslationsSettingsHelpDe help = _TranslationsSettingsHelpDe._(_root);
+	@override late final _TranslationsSettingsLegalDe legal = _TranslationsSettingsLegalDe._(_root);
 }
 
 // Path: settings.sections
@@ -102,13 +153,96 @@ class _TranslationsSettingsMessagesDe implements TranslationsSettingsMessagesEn
 	@override String get logoutNotImplemented => 'Logout… (noch nicht implementiert)';
 }
 
+// Path: settings.app
+class _TranslationsSettingsAppDe implements TranslationsSettingsAppEn {
+	_TranslationsSettingsAppDe._(this._root);
+
+	final TranslationsDe _root; // ignore: unused_field
+
+	// Translations
+	@override String get systemBackground => 'System-Hintergrundfarbe';
+	@override String get systemDefault => 'Systemstandard';
+	@override String get darkMode => 'Dark Mode';
+	@override String get lightMode => 'Light Mode';
+	@override String get textSize => 'Textgröße';
+	@override String get system => 'System';
+	@override String get small => 'Klein';
+	@override String get medium => 'Mittel';
+	@override String get large => 'Groß';
+	@override String get language => 'Sprache';
+	@override String get german => 'Deutsch';
+	@override String get english => 'Englisch';
+}
+
+// Path: settings.personalData
+class _TranslationsSettingsPersonalDataDe implements TranslationsSettingsPersonalDataEn {
+	_TranslationsSettingsPersonalDataDe._(this._root);
+
+	final TranslationsDe _root; // ignore: unused_field
+
+	// Translations
+	@override String get name => 'Name';
+	@override String get maxMustermann => 'Max Mustermann';
+	@override String get changePassword => 'Passwort ändern';
+	@override String get twoFactor => '2-Faktor-Authentifizierung';
+	@override String get off => 'Aus';
+}
+
+// Path: settings.accountManagement
+class _TranslationsSettingsAccountManagementDe implements TranslationsSettingsAccountManagementEn {
+	_TranslationsSettingsAccountManagementDe._(this._root);
+
+	final TranslationsDe _root; // ignore: unused_field
+
+	// Translations
+	@override String get email => 'E-Mail';
+}
+
+// Path: settings.help
+class _TranslationsSettingsHelpDe implements TranslationsSettingsHelpEn {
+	_TranslationsSettingsHelpDe._(this._root);
+
+	final TranslationsDe _root; // ignore: unused_field
+
+	// Translations
+	@override String get faq => 'FAQ';
+	@override String get sendFeedback => 'Feedback senden';
+}
+
+// Path: settings.legal
+class _TranslationsSettingsLegalDe implements TranslationsSettingsLegalEn {
+	_TranslationsSettingsLegalDe._(this._root);
+
+	final TranslationsDe _root; // ignore: unused_field
+
+	// Translations
+	@override String get privacy => 'Datenschutz';
+	@override String get termsOfService => 'Nutzungsbedingungen';
+}
+
 /// Flat map(s) containing all translations.
 /// Only for edge cases! For simple maps, use the map function of this library.
 extension on TranslationsDe {
 	dynamic _flatMapFunction(String path) {
 		switch (path) {
 			case 'hello': return ({required Object name}) => 'Hallo ${name}';
+			case 'login.title': return 'Login';
+			case 'login.pleaseSignIn': return 'Bitte melden Sie sich an';
+			case 'login.signingIn': return 'Melde Sie an…';
 			case 'login.success': return 'Login erfolgreich';
+			case 'dashboard.welcome': return 'Dashboard – Willkommen bei Finlog';
+			case 'budget.title': return 'Budgets';
+			case 'app.navigationSettings': return 'Einstellungen';
+			case 'app.navigationDashboard': return 'Dashboard';
+			case 'app.navigationBudgets': return 'Budgets';
+			case 'app.navigationInventory': return 'Inventar';
+			case 'app.navigationReports': return 'Berichte';
+			case 'app.tooltipMenu': return 'Menü';
+			case 'app.tooltipNotifications': return 'Benachrichtigungen';
+			case 'app.tooltipUserSettings': return 'Benutzer-Einstellungen';
+			case 'app.tooltipCollapseRail': return 'Leiste verkleinern';
+			case 'app.tooltipExpandRail': return 'Leiste erweitern';
+			case 'app.drawerSettings': return 'Einstellungen';
 			case 'settings.title': return 'Einstellungen';
 			case 'settings.sections.account': return 'Konto & Daten';
 			case 'settings.sections.app': return 'App';
@@ -121,6 +255,28 @@ extension on TranslationsDe {
 			case 'settings.items.legalPrivacy': return 'Rechtliches & Datenschutz';
 			case 'settings.items.logout': return 'Abmelden';
 			case 'settings.messages.logoutNotImplemented': return 'Logout… (noch nicht implementiert)';
+			case 'settings.app.systemBackground': return 'System-Hintergrundfarbe';
+			case 'settings.app.systemDefault': return 'Systemstandard';
+			case 'settings.app.darkMode': return 'Dark Mode';
+			case 'settings.app.lightMode': return 'Light Mode';
+			case 'settings.app.textSize': return 'Textgröße';
+			case 'settings.app.system': return 'System';
+			case 'settings.app.small': return 'Klein';
+			case 'settings.app.medium': return 'Mittel';
+			case 'settings.app.large': return 'Groß';
+			case 'settings.app.language': return 'Sprache';
+			case 'settings.app.german': return 'Deutsch';
+			case 'settings.app.english': return 'Englisch';
+			case 'settings.personalData.name': return 'Name';
+			case 'settings.personalData.maxMustermann': return 'Max Mustermann';
+			case 'settings.personalData.changePassword': return 'Passwort ändern';
+			case 'settings.personalData.twoFactor': return '2-Faktor-Authentifizierung';
+			case 'settings.personalData.off': return 'Aus';
+			case 'settings.accountManagement.email': return 'E-Mail';
+			case 'settings.help.faq': return 'FAQ';
+			case 'settings.help.sendFeedback': return 'Feedback senden';
+			case 'settings.legal.privacy': return 'Datenschutz';
+			case 'settings.legal.termsOfService': return 'Nutzungsbedingungen';
 			default: return null;
 		}
 	}

finlog_app/app/lib/core/i18n/translations_en.g.dart

@@ -44,6 +44,9 @@ class Translations implements BaseTranslations<AppLocale, Translations> {
 	String hello({required Object name}) => 'Hello ${name}';
 
 	late final TranslationsLoginEn login = TranslationsLoginEn._(_root);
+	late final TranslationsDashboardEn dashboard = TranslationsDashboardEn._(_root);
+	late final TranslationsBudgetEn budget = TranslationsBudgetEn._(_root);
+	late final TranslationsAppEn app = TranslationsAppEn._(_root);
 	late final TranslationsSettingsEn settings = TranslationsSettingsEn._(_root);
 }
 
@@ -55,10 +58,85 @@ class TranslationsLoginEn {
 
 	// Translations
 
+	/// en: 'Login'
+	String get title => 'Login';
+
+	/// en: 'Please sign in'
+	String get pleaseSignIn => 'Please sign in';
+
+	/// en: 'Signing you in…'
+	String get signingIn => 'Signing you in…';
+
 	/// en: 'Logged in successfully'
 	String get success => 'Logged in successfully';
 }
 
+// Path: dashboard
+class TranslationsDashboardEn {
+	TranslationsDashboardEn._(this._root);
+
+	final Translations _root; // ignore: unused_field
+
+	// Translations
+
+	/// en: 'Dashboard – Welcome to Finlog'
+	String get welcome => 'Dashboard – Welcome to Finlog';
+}
+
+// Path: budget
+class TranslationsBudgetEn {
+	TranslationsBudgetEn._(this._root);
+
+	final Translations _root; // ignore: unused_field
+
+	// Translations
+
+	/// en: 'Budgets'
+	String get title => 'Budgets';
+}
+
+// Path: app
+class TranslationsAppEn {
+	TranslationsAppEn._(this._root);
+
+	final Translations _root; // ignore: unused_field
+
+	// Translations
+
+	/// en: 'Settings'
+	String get navigationSettings => 'Settings';
+
+	/// en: 'Dashboard'
+	String get navigationDashboard => 'Dashboard';
+
+	/// en: 'Budgets'
+	String get navigationBudgets => 'Budgets';
+
+	/// en: 'Inventory'
+	String get navigationInventory => 'Inventory';
+
+	/// en: 'Reports'
+	String get navigationReports => 'Reports';
+
+	/// en: 'Menu'
+	String get tooltipMenu => 'Menu';
+
+	/// en: 'Notifications'
+	String get tooltipNotifications => 'Notifications';
+
+	/// en: 'User Settings'
+	String get tooltipUserSettings => 'User Settings';
+
+	/// en: 'Collapse Rail'
+	String get tooltipCollapseRail => 'Collapse Rail';
+
+	/// en: 'Expand Rail'
+	String get tooltipExpandRail => 'Expand Rail';
+
+	/// en: 'Settings'
+	String get drawerSettings => 'Settings';
+}
+
 // Path: settings
 class TranslationsSettingsEn {
 	TranslationsSettingsEn._(this._root);
@@ -73,6 +151,11 @@ class TranslationsSettingsEn {
 	late final TranslationsSettingsSectionsEn sections = TranslationsSettingsSectionsEn._(_root);
 	late final TranslationsSettingsItemsEn items = TranslationsSettingsItemsEn._(_root);
 	late final TranslationsSettingsMessagesEn messages = TranslationsSettingsMessagesEn._(_root);
+	late final TranslationsSettingsAppEn app = TranslationsSettingsAppEn._(_root);
+	late final TranslationsSettingsPersonalDataEn personalData = TranslationsSettingsPersonalDataEn._(_root);
+	late final TranslationsSettingsAccountManagementEn accountManagement = TranslationsSettingsAccountManagementEn._(_root);
+	late final TranslationsSettingsHelpEn help = TranslationsSettingsHelpEn._(_root);
+	late final TranslationsSettingsLegalEn legal = TranslationsSettingsLegalEn._(_root);
 }
 
 // Path: settings.sections
@@ -135,13 +218,140 @@ class TranslationsSettingsMessagesEn {
 	String get logoutNotImplemented => 'Logout… (not implemented yet)';
 }
 
+// Path: settings.app
+class TranslationsSettingsAppEn {
+	TranslationsSettingsAppEn._(this._root);
+
+	final Translations _root; // ignore: unused_field
+
+	// Translations
+
+	/// en: 'System Background Color'
+	String get systemBackground => 'System Background Color';
+
+	/// en: 'System Default'
+	String get systemDefault => 'System Default';
+
+	/// en: 'Dark Mode'
+	String get darkMode => 'Dark Mode';
+
+	/// en: 'Light Mode'
+	String get lightMode => 'Light Mode';
+
+	/// en: 'Text Size'
+	String get textSize => 'Text Size';
+
+	/// en: 'System'
+	String get system => 'System';
+
+	/// en: 'Small'
+	String get small => 'Small';
+
+	/// en: 'Medium'
+	String get medium => 'Medium';
+
+	/// en: 'Large'
+	String get large => 'Large';
+
+	/// en: 'Language'
+	String get language => 'Language';
+
+	/// en: 'German'
+	String get german => 'German';
+
+	/// en: 'English'
+	String get english => 'English';
+}
+
+// Path: settings.personalData
+class TranslationsSettingsPersonalDataEn {
+	TranslationsSettingsPersonalDataEn._(this._root);
+
+	final Translations _root; // ignore: unused_field
+
+	// Translations
+
+	/// en: 'Name'
+	String get name => 'Name';
+
+	/// en: 'Max Mustermann'
+	String get maxMustermann => 'Max Mustermann';
+
+	/// en: 'Change Password'
+	String get changePassword => 'Change Password';
+
+	/// en: 'Two-Factor Authentication'
+	String get twoFactor => 'Two-Factor Authentication';
+
+	/// en: 'Off'
+	String get off => 'Off';
+}
+
+// Path: settings.accountManagement
+class TranslationsSettingsAccountManagementEn {
+	TranslationsSettingsAccountManagementEn._(this._root);
+
+	final Translations _root; // ignore: unused_field
+
+	// Translations
+
+	/// en: 'Email'
+	String get email => 'Email';
+}
+
+// Path: settings.help
+class TranslationsSettingsHelpEn {
+	TranslationsSettingsHelpEn._(this._root);
+
+	final Translations _root; // ignore: unused_field
+
+	// Translations
+
+	/// en: 'FAQ'
+	String get faq => 'FAQ';
+
+	/// en: 'Send Feedback'
+	String get sendFeedback => 'Send Feedback';
+}
+
+// Path: settings.legal
+class TranslationsSettingsLegalEn {
+	TranslationsSettingsLegalEn._(this._root);
+
+	final Translations _root; // ignore: unused_field
+
+	// Translations
+
+	/// en: 'Privacy'
+	String get privacy => 'Privacy';
+
+	/// en: 'Terms of Service'
+	String get termsOfService => 'Terms of Service';
+}
+
 /// Flat map(s) containing all translations.
 /// Only for edge cases! For simple maps, use the map function of this library.
 extension on Translations {
 	dynamic _flatMapFunction(String path) {
 		switch (path) {
 			case 'hello': return ({required Object name}) => 'Hello ${name}';
+			case 'login.title': return 'Login';
+			case 'login.pleaseSignIn': return 'Please sign in';
+			case 'login.signingIn': return 'Signing you in…';
 			case 'login.success': return 'Logged in successfully';
+			case 'dashboard.welcome': return 'Dashboard – Welcome to Finlog';
+			case 'budget.title': return 'Budgets';
+			case 'app.navigationSettings': return 'Settings';
+			case 'app.navigationDashboard': return 'Dashboard';
+			case 'app.navigationBudgets': return 'Budgets';
+			case 'app.navigationInventory': return 'Inventory';
+			case 'app.navigationReports': return 'Reports';
+			case 'app.tooltipMenu': return 'Menu';
+			case 'app.tooltipNotifications': return 'Notifications';
+			case 'app.tooltipUserSettings': return 'User Settings';
+			case 'app.tooltipCollapseRail': return 'Collapse Rail';
+			case 'app.tooltipExpandRail': return 'Expand Rail';
+			case 'app.drawerSettings': return 'Settings';
 			case 'settings.title': return 'Settings';
 			case 'settings.sections.account': return 'Account & Data';
 			case 'settings.sections.app': return 'App';
@@ -154,6 +364,28 @@ extension on Translations {
 			case 'settings.items.legalPrivacy': return 'Legal & Privacy';
 			case 'settings.items.logout': return 'Sign out';
 			case 'settings.messages.logoutNotImplemented': return 'Logout… (not implemented yet)';
+			case 'settings.app.systemBackground': return 'System Background Color';
+			case 'settings.app.systemDefault': return 'System Default';
+			case 'settings.app.darkMode': return 'Dark Mode';
+			case 'settings.app.lightMode': return 'Light Mode';
+			case 'settings.app.textSize': return 'Text Size';
+			case 'settings.app.system': return 'System';
+			case 'settings.app.small': return 'Small';
+			case 'settings.app.medium': return 'Medium';
+			case 'settings.app.large': return 'Large';
+			case 'settings.app.language': return 'Language';
+			case 'settings.app.german': return 'German';
+			case 'settings.app.english': return 'English';
+			case 'settings.personalData.name': return 'Name';
+			case 'settings.personalData.maxMustermann': return 'Max Mustermann';
+			case 'settings.personalData.changePassword': return 'Change Password';
+			case 'settings.personalData.twoFactor': return 'Two-Factor Authentication';
+			case 'settings.personalData.off': return 'Off';
+			case 'settings.accountManagement.email': return 'Email';
+			case 'settings.help.faq': return 'FAQ';
+			case 'settings.help.sendFeedback': return 'Send Feedback';
+			case 'settings.legal.privacy': return 'Privacy';
+			case 'settings.legal.termsOfService': return 'Terms of Service';
 			default: return null;
 		}
 	}

finlog_app/app/lib/modules/app_shell.dart

@@ -1,3 +1,4 @@
+import 'package:app/core/i18n/translations.g.dart';
 import 'package:flutter/material.dart';
 import 'package:go_router/go_router.dart';
 
@@ -23,53 +24,55 @@ class _AppShellState extends State<AppShell> {
 
   // --- NAV ITEMS -------------------------------------------------------------
 
-  final _items =
+  List<({IconData icon, IconData? selectedIcon, String label, String route})> _getItems(BuildContext context) {
-      const <
+    final t = Translations.of(context);
-        ({IconData icon, IconData? selectedIcon, String label, String route})
+    return [
-      >[
+      (
-        (
+        icon: Icons.dashboard_outlined,
-          icon: Icons.dashboard_outlined,
+        selectedIcon: Icons.dashboard,
-          selectedIcon: Icons.dashboard,
+        label: t.app.navigationDashboard,
-          label: 'Dashboard',
+        route: '/home',
-          route: '/home',
+      ),
-        ),
+      (
-        (
+        icon: Icons.account_balance_wallet_outlined,
-          icon: Icons.account_balance_wallet_outlined,
+        selectedIcon: Icons.account_balance_wallet,
-          selectedIcon: Icons.account_balance_wallet,
+        label: t.app.navigationBudgets,
-          label: 'Budgets',
+        route: '/budget',
-          route: '/budget',
+      ),
-        ),
+      (
-        (
+        icon: Icons.inventory_2_outlined,
-          icon: Icons.inventory_2_outlined,
+        selectedIcon: Icons.inventory_2,
-          selectedIcon: Icons.inventory_2,
+        label: t.app.navigationInventory,
-          label: 'Inventar',
+        route: '/inventory',
-          route: '/inventory',
+      ),
-        ),
+      (
-        (
+        icon: Icons.bar_chart_outlined,
-          icon: Icons.bar_chart_outlined,
+        selectedIcon: Icons.bar_chart,
-          selectedIcon: Icons.bar_chart,
+        label: t.app.navigationReports,
-          label: 'Reports',
+        route: '/reports',
-          route: '/reports',
+      ),
-        ),
+      (
-        (
         icon: Icons.settings,
         selectedIcon: Icons.settings_outlined,
-        label: 'Settings',
+        label: t.app.navigationSettings,
         route: '/settings',
-        ),
+      ),
-      ];
+    ];
+  }
 
-  int _indexForPath(String p) {
+  int _indexForPath(String p, List<({IconData icon, IconData? selectedIcon, String label, String route})> items) {
-    for (var i = 0; i < _items.length; i++) {
+    for (var i = 0; i < items.length; i++) {
-      if (p.startsWith(_items[i].route)) return i;
+      if (p.startsWith(items[i].route)) return i;
     }
     return 0;
   }
 
-  void _goForIndex(BuildContext ctx, int i) => ctx.go(_items[i].route);
+  void _goForIndex(BuildContext ctx, int i, List<({IconData icon, IconData? selectedIcon, String label, String route})> items) => ctx.go(items[i].route);
 
   @override
   Widget build(BuildContext context) {
+    final t = Translations.of(context);
+    final items = _getItems(context);
     final width = MediaQuery.of(context).size.width;
     final isRail = width >= _railBreakpoint;
     final currentPath = GoRouterState.of(context).matchedLocation;
@@ -89,17 +92,17 @@ class _AppShellState extends State<AppShell> {
               builder: (ctx) => IconButton(
                 icon: const Icon(Icons.menu),
                 onPressed: () => Scaffold.of(ctx).openDrawer(),
-                tooltip: 'Menü',
+                tooltip: t.app.tooltipMenu,
               ),
             ),
       actions: [
         IconButton(
-          tooltip: 'Benachrichtigungen',
+          tooltip: t.app.tooltipNotifications,
           onPressed: () {},
           icon: const Icon(Icons.notifications_none),
         ),
         IconButton(
-          tooltip: 'Benutzer-Einstellungen',
+          tooltip: t.app.tooltipUserSettings,
           onPressed: () => context.push('/settings'),
           icon: const Icon(Icons.account_circle_outlined),
         ),
@@ -108,16 +111,16 @@ class _AppShellState extends State<AppShell> {
 
     if (!isRail) {
       // ------------------- MOBILE: Drawer -------------------
-      final selectedIndex = _indexForPath(currentPath);
+      final selectedIndex = _indexForPath(currentPath, items);
       return Scaffold(
         appBar: appBar,
-        drawer: _AppDrawer(items: _items, selectedIndex: selectedIndex),
+        drawer: _AppDrawer(items: items, selectedIndex: selectedIndex),
         body: SafeArea(child: widget.child),
       );
     }
 
     // ------------------- TABLET/DESKTOP: NavigationRail -------------------
-    final selected = _indexForPath(currentPath);
+    final selected = _indexForPath(currentPath, items);
     final scheme = Theme.of(context).colorScheme;
 
     return Scaffold(
@@ -143,13 +146,13 @@ class _AppShellState extends State<AppShell> {
             child: NavigationRail(
               extended: _railExtended,
               selectedIndex: selected,
-              onDestinationSelected: (i) => _goForIndex(context, i),
+              onDestinationSelected: (i) => _goForIndex(context, i, items),
               // leading: const Padding(
               //   padding: EdgeInsets.only(top: 8),
               //   child: _LogoHeader(),
               // ),
               destinations: [
-                for (final it in _items)
+                for (final it in items)
                   NavigationRailDestination(
                     icon: Icon(it.icon),
                     selectedIcon: Icon(it.selectedIcon ?? it.icon),
@@ -164,8 +167,8 @@ class _AppShellState extends State<AppShell> {
                   // toggle lives at the very bottom so layout doesn't jump
                   IconButton(
                     tooltip: _railExtended
-                        ? 'Leiste verkleinern'
+                        ? t.app.tooltipCollapseRail
-                        : 'Leiste erweitern',
+                        : t.app.tooltipExpandRail,
                     onPressed: () =>
                         setState(() => _railExtended = !_railExtended),
                     icon: Icon(
@@ -234,7 +237,7 @@ class _AppDrawer extends StatelessWidget {
               const Divider(),
               ListTile(
                 leading: const Icon(Icons.settings_outlined),
-                title: const Text('Einstellungen'),
+                title: Text(Translations.of(context).app.drawerSettings),
                 onTap: () {
                   Navigator.of(context).maybePop();
                   context.go('/settings');

finlog_app/app/lib/modules/login/pages/login_page.dart

@@ -1,4 +1,5 @@
 import 'package:app/core/app/router.dart';
+import 'package:app/core/i18n/translations.g.dart';
 import 'package:flutter/material.dart';
 import 'package:go_router/go_router.dart';
 
@@ -28,9 +29,10 @@ class _LoginPageState extends State<LoginPage> {
 
   @override
   Widget build(BuildContext context) {
+    final t = Translations.of(context);
     final theme = Theme.of(context);
     return Scaffold(
-      appBar: AppBar(title: const Text('Login')),
+      appBar: AppBar(title: Text(t.login.title)),
       body: Center(
         child: ConstrainedBox(
           constraints: const BoxConstraints(maxWidth: 360),
@@ -39,7 +41,7 @@ class _LoginPageState extends State<LoginPage> {
             children: [
               const FlutterLogo(size: 64),
               const SizedBox(height: 24),
-              Text('Please sign in', style: theme.textTheme.titleMedium),
+              Text(t.login.pleaseSignIn, style: theme.textTheme.titleMedium),
               const SizedBox(height: 24),
               SizedBox(
                 width: double.infinity,
@@ -56,7 +58,7 @@ class _LoginPageState extends State<LoginPage> {
                             height: 20,
                             child: CircularProgressIndicator(strokeWidth: 2),
                           )
-                        : const Text('Login', key: ValueKey('text')),
+                        : Text(t.login.title, key: const ValueKey('text')),
                   ),
                 ),
               ),
@@ -67,7 +69,7 @@ class _LoginPageState extends State<LoginPage> {
                     ? Padding(
                         padding: const EdgeInsets.only(top: 4),
                         child: Text(
-                          'Signing you in…',
+                          t.login.signingIn,
                           style: theme.textTheme.bodySmall,
                         ),
                       )

finlog_app/app/lib/modules/settings/modules/app/app_settings_view.dart

@@ -1,3 +1,4 @@
+import 'package:app/core/i18n/translations.g.dart';
 import 'package:app/core/ui/controller/locale_controller.dart';
 import 'package:app/core/ui/controller/scale_controller.dart';
 import 'package:app/core/ui/controller/theme.dart';
@@ -61,15 +62,16 @@ class _SystemBackgroundSection extends StatelessWidget {
 
   @override
   Widget build(BuildContext context) {
+    final t = Translations.of(context);
     final vm = context.watch<AppSettingsViewModel>();
     final selected = vm.themeMode;
 
     return Column(
       crossAxisAlignment: CrossAxisAlignment.start,
       children: [
-        const Text(
+        Text(
-          'System-Hintergrundfarbe',
+          t.settings.app.systemBackground,
-          style: TextStyle(fontSize: 16, fontWeight: FontWeight.w600),
+          style: const TextStyle(fontSize: 16, fontWeight: FontWeight.w600),
         ),
         const SizedBox(height: 10),
 
@@ -94,10 +96,10 @@ class _SystemBackgroundSection extends StatelessWidget {
           },
           borderRadius: BorderRadius.circular(24),
           constraints: const BoxConstraints(minHeight: 44, minWidth: 140),
-          children: const [
+          children: [
-            _SegItem(icon: Icons.phone_iphone, label: 'Systemstandard'),
+            _SegItem(icon: Icons.phone_iphone, label: t.settings.app.systemDefault),
-            _SegItem(emoji: '🌙', label: 'Dark Mode'),
+            _SegItem(emoji: '🌙', label: t.settings.app.darkMode),
-            _SegItem(emoji: '☀️', label: 'White Mode'),
+            _SegItem(emoji: '☀️', label: t.settings.app.lightMode),
           ],
         ),
       ],
@@ -134,13 +136,14 @@ class _TextScaleSection extends StatelessWidget {
 
   @override
   Widget build(BuildContext context) {
+    final t = Translations.of(context);
     final vm = context.watch<AppSettingsViewModel>();
     final selected = vm.textScale;
 
     return Column(
       crossAxisAlignment: CrossAxisAlignment.start,
       children: [
-        const Text('Textgröße', style: TextStyle(fontWeight: FontWeight.w600)),
+        Text(t.settings.app.textSize, style: const TextStyle(fontWeight: FontWeight.w600)),
         const SizedBox(height: 8),
         ToggleButtons(
           isSelected: [
@@ -167,11 +170,11 @@ class _TextScaleSection extends StatelessWidget {
           },
           borderRadius: BorderRadius.circular(24),
           constraints: const BoxConstraints(minHeight: 44, minWidth: 120),
-          children: const [
+          children: [
-            _SegItem(icon: Icons.phone_android, label: 'System'),
+            _SegItem(icon: Icons.phone_android, label: t.settings.app.system),
-            _SegItem(icon: Icons.text_fields, label: 'Klein'),
+            _SegItem(icon: Icons.text_fields, label: t.settings.app.small),
-            _SegItem(icon: Icons.text_fields, label: 'Mittel'),
+            _SegItem(icon: Icons.text_fields, label: t.settings.app.medium),
-            _SegItem(icon: Icons.text_fields, label: 'Groß'),
+            _SegItem(icon: Icons.text_fields, label: t.settings.app.large),
           ],
         ),
       ],
@@ -184,25 +187,26 @@ class _LanguageSection extends StatelessWidget {
 
   @override
   Widget build(BuildContext context) {
+    final t = Translations.of(context);
     final vm = context.watch<AppSettingsViewModel>();
     final scheme = Theme.of(context).colorScheme;
 
     return Column(
       crossAxisAlignment: CrossAxisAlignment.start,
       children: [
-        Text('Sprache', style: Theme.of(context).textTheme.titleMedium),
+        Text(t.settings.app.language, style: Theme.of(context).textTheme.titleMedium),
         const SizedBox(height: 8),
 
         DropdownButtonFormField<LanguagePref>(
           initialValue: vm.language,
           onChanged: (v) => vm.setLanguage(v ?? LanguagePref.en),
-          items: const [
+          items: [
             DropdownMenuItem(
               value: LanguagePref.system,
-              child: Text('Systemstandard'),
+              child: Text(t.settings.app.systemDefault),
             ),
-            DropdownMenuItem(value: LanguagePref.de, child: Text('Deutsch')),
+            DropdownMenuItem(value: LanguagePref.de, child: Text(t.settings.app.german)),
-            DropdownMenuItem(value: LanguagePref.en, child: Text('Englisch')),
+            DropdownMenuItem(value: LanguagePref.en, child: Text(t.settings.app.english)),
           ],
           decoration: InputDecoration(
             isDense: true,