diff --git a/assets/sounds/baka_fanfare.wav b/assets/sounds/baka_fanfare.wav
new file mode 100644
index 0000000..2ae4b70
Binary files /dev/null and b/assets/sounds/baka_fanfare.wav differ
diff --git a/assets/sounds/tinker_chime.wav b/assets/sounds/tinker_chime.wav
new file mode 100644
index 0000000..c1bb256
Binary files /dev/null and b/assets/sounds/tinker_chime.wav differ
diff --git a/assets/sounds/willkommen_ping.wav b/assets/sounds/willkommen_ping.wav
new file mode 100644
index 0000000..5e98d41
Binary files /dev/null and b/assets/sounds/willkommen_ping.wav differ
diff --git a/lib/main.dart b/lib/main.dart
index f891c54..1d6952d 100644
--- a/lib/main.dart
+++ b/lib/main.dart
@@ -1,7 +1,9 @@
 import 'package:flutter/material.dart';
+import 'package:audio_service/audio_service.dart';
 import 'database/db_helper.dart';
 import 'services/favoriten_service.dart';
 import 'services/melo_logger.dart';
+import 'services/audio_handler.dart';
 import 'utils/farb_theme.dart';
 import 'screens/home_screen.dart';
 
@@ -9,12 +11,21 @@ void main() async {
   WidgetsFlutterBinding.ensureInitialized();
 
   // Logger startet sofort – zeichnet ALLES auf
-  MeloLogger().init('2.7');
+  MeloLogger().init('2.38');
 
   try {
     await DbHelper().db;
     await FavoritenService().init();
-    MeloLogger().zustand('start_ok', {'db': 'ok'});
+    // Hintergrund-Audio-Service starten
+    await AudioService.init(
+      builder: () => MeloAudioHandler(),
+      config: const AudioServiceConfig(
+        androidNotificationChannelId: 'de.baka.melo.audio',
+        androidNotificationChannelName: 'Melo Wiedergabe',
+        androidNotificationOngoing: true,
+      ),
+    );
+    MeloLogger().zustand('start_ok', {'db': 'ok', 'audio': 'ok'});
   } catch (e, stack) {
     MeloLogger().fehler('App-Start', e, stack);
   }
@@ -27,11 +38,15 @@ class MeloApp extends StatelessWidget {
 
   @override
   Widget build(BuildContext context) {
-    return MaterialApp(
-      title: 'Melo',
-      debugShowCheckedModeBanner: false,
-      theme: MeloTheme.theme,
-      home: const Scaffold(body: MeloHome()),
+    // Reagiert live auf Akzent-Änderungen (Login-Effekt pro Person)
+    return ValueListenableBuilder<Color>(
+      valueListenable: MeloTheme.akzentNotifier,
+      builder: (context, akzent, _) => MaterialApp(
+        title: 'Melo',
+        debugShowCheckedModeBanner: false,
+        theme: MeloTheme.theme,
+        home: const Scaffold(body: MeloHome()),
+      ),
     );
   }
 }
diff --git a/lib/screens/home_screen.dart b/lib/screens/home_screen.dart
index 0754a81..2482583 100644
--- a/lib/screens/home_screen.dart
+++ b/lib/screens/home_screen.dart
@@ -6,6 +6,8 @@ import '../viewmodels/melo_home_viewmodel.dart';
 import '../models/song.dart';
 import '../models/playlist.dart';
 import '../utils/farb_theme.dart';
+import '../utils/user_effekte.dart';
+import '../services/cloud_service.dart';
 import '../widgets/mini_player.dart';
 import '../widgets/melo_header.dart';
 import '../widgets/statistik_card.dart';
@@ -18,7 +20,6 @@ import 'cloud_screen.dart';
 import 'package:shared_preferences/shared_preferences.dart';
 import 'package:permission_handler/permission_handler.dart';
 import '../widgets/cloud_einstellungen.dart';
-import '../services/cloud_service.dart';
 import '../config/app_config.dart';
 
 class MeloHome extends StatefulWidget {
@@ -50,6 +51,15 @@ class _MeloHomeState extends State<MeloHome> {
       setState(() => _nutzer = n);
       _vm.setzeNutzer(n);
     }
+    // Login-Effekt beim App-Start: nur wenn ein Token vorhanden ist (eingeloggt)
+    final ok = await CloudService().restoreLogin();
+    if (ok && mounted) {
+      UserEffekt.anwenden(_nutzer);
+      ScaffoldMessenger.of(context).showSnackBar(SnackBar(
+        content: Text(UserEffekt.fuer(_nutzer).begruessung),
+        duration: const Duration(seconds: 3),
+      ));
+    }
   }
 
   void _zeigeProfil() {
@@ -153,6 +163,13 @@ class _MeloHomeState extends State<MeloHome> {
                 await p.setString('melo_nutzer', name);
                 if (mounted) setState(() => _nutzer = name);
                 _vm.setzeNutzer(name);
+                // Login-Effekt: Akzentfarbe + Sound + Begrüßung pro Person
+                UserEffekt.anwenden(name);
+                if (mounted) {
+                  ScaffoldMessenger.of(context).showSnackBar(SnackBar(
+                      content: Text(UserEffekt.fuer(name).begruessung),
+                      duration: const Duration(seconds: 3)));
+                }
               } else {
                 if (mounted) {
                   ScaffoldMessenger.of(context).showSnackBar(const SnackBar(
diff --git a/lib/utils/farb_theme.dart b/lib/utils/farb_theme.dart
index 956ea97..a0e2259 100644
--- a/lib/utils/farb_theme.dart
+++ b/lib/utils/farb_theme.dart
@@ -9,12 +9,18 @@ class MeloTheme {
   static const Color textPrimaer = Color(0xFFFFFFFF);
   static const Color textSekundaer = Color(0xFF888888);
 
+  /// Akzentfarbe – wechselt pro angemeldeter Person (Login-Effekt).
+  /// UI hängt per ValueListenableBuilder an [akzentNotifier].
+  static final ValueNotifier<Color> akzentNotifier = ValueNotifier<Color>(rot);
+  static Color get akzent => akzentNotifier.value;
+  static set akzent(Color farbe) => akzentNotifier.value = farbe;
+
   static ThemeData get theme => ThemeData(
     brightness: Brightness.dark,
     scaffoldBackgroundColor: schwarz,
-    colorScheme: const ColorScheme.dark(
-      primary: rot,
-      secondary: rot,
+    colorScheme: ColorScheme.dark(
+      primary: akzent,
+      secondary: akzent,
       surface: schwarz,
     ),
     appBarTheme: const AppBarTheme(
@@ -22,9 +28,9 @@ class MeloTheme {
       foregroundColor: textPrimaer,
       elevation: 0,
     ),
-    bottomNavigationBarTheme: const BottomNavigationBarThemeData(
+    bottomNavigationBarTheme: BottomNavigationBarThemeData(
       backgroundColor: schwarz,
-      selectedItemColor: rot,
+      selectedItemColor: akzent,
       unselectedItemColor: textSekundaer,
     ),
     cardTheme: CardThemeData(
@@ -35,7 +41,7 @@ class MeloTheme {
     ),
     chipTheme: ChipThemeData(
       backgroundColor: dunkel1,
-      selectedColor: rot,
+      selectedColor: akzent,
       labelStyle: const TextStyle(color: textPrimaer),
       shape: RoundedRectangleBorder(
         borderRadius: BorderRadius.circular(20),
diff --git a/lib/utils/user_effekte.dart b/lib/utils/user_effekte.dart
new file mode 100644
index 0000000..cd8e355
--- /dev/null
+++ b/lib/utils/user_effekte.dart
@@ -0,0 +1,59 @@
+import 'dart:async';
+import 'package:flutter/material.dart';
+import 'package:just_audio/just_audio.dart';
+import 'farb_theme.dart';
+
+/// Login-Effekte: Pro Person eigener Akzent, Willkommens-Sound und Begrüßung.
+/// Wird nach erfolgreichem Login und beim App-Start (wenn Token vorhanden) ausgelöst.
+class UserEffekt {
+  final Color akzent;
+  final String begruessung;
+  final String soundAsset;
+
+  const UserEffekt(this.akzent, this.begruessung, this.soundAsset);
+
+  /// Baka = königlich-rot + Fanfare 👑
+  static const baka = UserEffekt(
+    Color(0xFFCC0000),
+    'Willkommen zurück, Baka! 👑',
+    'assets/sounds/baka_fanfare.wav',
+  );
+
+  /// Tinker = türkis + heller Chime 🐱
+  static const tinker = UserEffekt(
+    Color(0xFF00B8A9),
+    'Tinker ist da! 🐱✨',
+    'assets/sounds/tinker_chime.wav',
+  );
+
+  static const standard = UserEffekt(
+    Color(0xFFCC0000),
+    'Willkommen! 🎵',
+    'assets/sounds/willkommen_ping.wav',
+  );
+
+  static UserEffekt fuer(String? user) {
+    final u = (user ?? '').toLowerCase().trim();
+    if (u == 'baka' || u == 'dustin') return baka;
+    if (u == 'tinker') return tinker;
+    return standard;
+  }
+
+  /// Setzt die Akzentfarbe (Thema wechselt live) und spielt den Sound ab.
+  static Future<void> anwenden(String? user) async {
+    final e = fuer(user);
+    MeloTheme.akzent = e.akzent;
+    try {
+      final p = AudioPlayer();
+      await p.setAsset(e.soundAsset);
+      unawaited(p.play());
+      // Player nach dem Abspielen sauber freigeben (kein Memory-Leak)
+      Future.delayed(const Duration(seconds: 4), () {
+        if (p.playing) p.stop();
+        p.dispose();
+      });
+    } catch (_) {
+      // Sound-Fehler ignorieren – Akzent bleibt trotzdem aktiv
+    }
+  }
+}
diff --git a/pubspec.yaml b/pubspec.yaml
index b020b7d..4f1ccad 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -37,3 +37,5 @@ dev_dependencies:
 
 flutter:
   uses-material-design: true
+  assets:
+    - assets/sounds/