Refactor HomePage layout to improve audio bar integration and navigation button arrangement

b0esche_cloud/lib/pages/home_page.dart

@@ -412,15 +412,23 @@ class _HomePageState extends State<HomePage> with TickerProviderStateMixin {
               right: 0,
               child: Padding(
                 padding: const EdgeInsets.symmetric(horizontal: 32),
-                child: Center(
                 child: Row(
-                    mainAxisSize: MainAxisSize.min,
                   crossAxisAlignment: CrossAxisAlignment.center,
                   children: [
-                      // Title
+                    // Left spacer
+                    const Expanded(child: SizedBox()),
+                    // Center: title and audio bar
+                    Expanded(
+                      flex: 2,
+                      child: Row(
+                        mainAxisAlignment: MainAxisAlignment.center,
+                        crossAxisAlignment: CrossAxisAlignment.center,
+                        children: [
                           Builder(
                             builder: (context) {
-                          final screenWidth = MediaQuery.of(context).size.width;
+                              final screenWidth = MediaQuery.of(
+                                context,
+                              ).size.width;
                               final fontSize = screenWidth < 600 ? 24.0 : 48.0;
                               return Text(
                                 'b0esche.cloud',
@@ -430,19 +438,18 @@ class _HomePageState extends State<HomePage> with TickerProviderStateMixin {
                                   color: AppTheme.primaryText,
                                   decoration: TextDecoration.underline,
                                   decorationColor: AppTheme.primaryText,
-                              fontFeatures: const [FontFeature.slashedZero()],
+                                  fontFeatures: const [
+                                    FontFeature.slashedZero(),
+                                  ],
                                 ),
                               );
                             },
                           ),
-                      // Audio player (if visible)
                           if (_showAudioBar &&
                               _audioFileName != null &&
                               _audioFileUrl != null) ...[
-                        const SizedBox(width: 32),
+                            const SizedBox(width: 24),
-                        FractionallySizedBox(
+                            SlideTransition(
-                          widthFactor: 0.5,
-                          child: SlideTransition(
                               position: _audioBarOffset,
                               child: AudioPlayerBar(
                                 fileName: _audioFileName!,
@@ -453,11 +460,15 @@ class _HomePageState extends State<HomePage> with TickerProviderStateMixin {
                                 },
                               ),
                             ),
-                        ),
                           ],
-                      const SizedBox(width: 32),
+                        ],
-                      // Navigation buttons
+                      ),
-                      BlocBuilder<AuthBloc, AuthState>(
+                    ),
+                    // Right: nav buttons
+                    Expanded(
+                      child: Align(
+                        alignment: Alignment.centerRight,
+                        child: BlocBuilder<AuthBloc, AuthState>(
                           builder: (context, state) {
                             final isLoggedIn = state is AuthAuthenticated;
                             if (!isLoggedIn) {
@@ -481,9 +492,10 @@ class _HomePageState extends State<HomePage> with TickerProviderStateMixin {
                             );
                           },
                         ),
-                    ],
                       ),
                     ),
+                  ],
+                ),
               ),
             ),
             Center(