Feat: Macht Hintergrund der FloatingCreationButtons leicht geblurrt für bessere Lesbarkeit

lib/Pages/Misc/floating_creation_button.dart

@@ -1,9 +1,12 @@
+import 'dart:ui';
+
 import 'package:flutter/material.dart';
 import 'package:flutter_expandable_fab/flutter_expandable_fab.dart';
 
 import '../../Controller/account_controller.dart';
 import '../../Controller/recurring_transaction_controller.dart';
 import '../../Controller/transaction_controller.dart';
+import '../../Services/navigation_service.dart';
 
 /// Ein Floating Action Button, der beim Klicken ein expandierendes Menü öffnet,
 /// um neue Transaktionen oder Konten anzulegen.
@@ -80,15 +83,32 @@ class _FloatingCreationButtonState extends State<FloatingCreationButton> {
     required final String label,
     required final IconData icon,
     required final VoidCallback onPressed,
-  }) => GestureDetector(
+  }) {
+    final ThemeData theme = Theme.of(
+      NavigationService.getCurrentBuildContext()!,
+    );
+
+    return GestureDetector(
       onTap: onPressed,
       child: Row(
         children: <Widget>[
-        Container(
-          padding: const EdgeInsets.symmetric(horizontal: 12, vertical: 8),
-          decoration: BoxDecoration(borderRadius: BorderRadius.circular(8)),
+          ClipRRect(
+            borderRadius: BorderRadius.circular(8),
+            child: BackdropFilter(
+              filter: ImageFilter.blur(sigmaX: 6, sigmaY: 6),
+              child: Container(
+                padding: const EdgeInsets.symmetric(
+                  horizontal: 12,
+                  vertical: 8,
+                ),
+                decoration: BoxDecoration(
+                  color: theme.colorScheme.onPrimary.withValues(alpha: 0.15),
+                  borderRadius: BorderRadius.circular(8),
+                ),
                 child: Text(label),
               ),
+            ),
+          ),
           const SizedBox(width: 12),
           FloatingActionButton.small(
             heroTag: null,
@@ -106,3 +126,4 @@ class _FloatingCreationButtonState extends State<FloatingCreationButton> {
       ),
     );
   }
+}