Implemented new nav bar

lib/core/custom_theme.dart

@@ -27,6 +27,9 @@ class CustomTheme {
   /// Text color used throughout the app
   static const Color textColor = Color(0xFFFFFFFF);
 
+  /// Background color for the navigation bar
+  static const Color navBarBackgroundColor = Color(0xFF131313);
+
   /// Selected color for the [NavbarItem]
   static Color navBarItemSelectedColor = primaryColor.withGreen(100);
 

lib/presentation/views/main_menu/custom_navigation_bar.dart

@@ -1,5 +1,3 @@
-import 'dart:ui';
-
 import 'package:flutter/material.dart';
 import 'package:tallee/core/adaptive_page_route.dart';
 import 'package:tallee/core/custom_theme.dart';
@@ -75,66 +73,28 @@ class _CustomNavigationBarState extends State<CustomNavigationBar>
       backgroundColor: CustomTheme.backgroundColor,
       body: tabs[currentIndex],
       extendBody: true,
-      bottomNavigationBar: SizedBox(
-        height: 70 + MediaQuery.of(context).padding.bottom,
-        child: Stack(
-          children: [
-            // Dynamically generated blur layers for ultra-smooth transition
-            ...List.generate(34, (index) {
-              // Use cubic curve for an even more natural, smoother transition
-              final progress = index / 34.0; // 0.0 to 1.0
-              final cubic = progress * progress * progress; // cubic curve
-              final blurStrength =
-                  0.5 + (cubic * 50.0); // Very smooth from 0.5 to 50.5
-
-              // Height goes completely from 100% to 0% (all the way down)
-              // With extra density at the bottom for softer transition
-              final heightFactor = index < 25
-                  // First 25 layers: 100% to 30%
-                  ? 1.0 - (progress * 0.7)
-                  // Last 10 layers: 30% to 0% (denser)
-                  : 0.3 - ((index - 25) / 34.0);
-
-              return Positioned(
-                left: 0,
-                right: 0,
-                bottom: 0,
-                height:
-                    (70 + MediaQuery.of(context).padding.bottom) *
-                    heightFactor.clamp(0.05, 1.0),
-                child: ClipRect(
-                  child: BackdropFilter(
-                    filter: ImageFilter.blur(
-                      sigmaX: blurStrength,
-                      sigmaY: blurStrength,
-                    ),
-                    child: Container(color: Colors.transparent),
-                  ),
-                ),
-              );
-            }),
-            // Gradient overlay
-            Positioned.fill(
-              child: Container(
+      bottomNavigationBar: Container(
+        height: 115,
         decoration: BoxDecoration(
-                  gradient: LinearGradient(
-                    begin: Alignment.bottomCenter,
-                    end: Alignment.topCenter,
-                    colors: [
-                      CustomTheme.boxColor.withValues(alpha: 1),
-                      CustomTheme.boxColor.withValues(alpha: 0.5),
-                      CustomTheme.boxColor.withValues(alpha: 0.2),
-                      CustomTheme.boxColor.withValues(alpha: 0.0),
+          color: CustomTheme.navBarBackgroundColor,
+          border: Border.all(
+            strokeAlign: BorderSide.strokeAlignOutside,
+            color: CustomTheme.boxBorder,
+            width: 2,
+          ),
+          borderRadius: const BorderRadius.only(
+            topLeft: Radius.circular(30),
+            topRight: Radius.circular(30),
+          ),
+          boxShadow: [
+            BoxShadow(
+              color: Colors.black.withValues(alpha: 0.1),
+              blurRadius: 20,
+              offset: const Offset(0, -5),
+            ),
           ],
-                    stops: const [0.0, 0.4, 0.8, 1],
         ),
-                ),
-              ),
-            ),
-            // Navbar content
-            SafeArea(
-              child: SizedBox(
-                height: 70,
+        child: SafeArea(
           child: Row(
             mainAxisAlignment: MainAxisAlignment.spaceAround,
             children: <Widget>[
@@ -170,9 +130,6 @@ class _CustomNavigationBarState extends State<CustomNavigationBar>
           ),
         ),
       ),
-          ],
-        ),
-      ),
     );
   }
 

lib/presentation/widgets/navbar_item.dart

@@ -87,7 +87,17 @@ class _NavbarItemState extends State<NavbarItem>
             mainAxisSize: MainAxisSize.min,
             mainAxisAlignment: MainAxisAlignment.center,
             children: [
-              ScaleTransition(
+              AnimatedContainer(
+                width: 50,
+                height: 50,
+                decoration: BoxDecoration(
+                  color: widget.isSelected
+                      ? CustomTheme.primaryColor.withAlpha(50)
+                      : Colors.transparent,
+                  borderRadius: const BorderRadius.all(Radius.circular(15)),
+                ),
+                duration: const Duration(milliseconds: 200),
+                child: ScaleTransition(
                   scale: widget.isSelected
                       ? _scaleAnimation
                       : const AlwaysStoppedAnimation(1.0),
@@ -99,6 +109,7 @@ class _NavbarItemState extends State<NavbarItem>
                     size: 32,
                   ),
                 ),
+              ),
               const SizedBox(height: 4),
               Text(
                 widget.label,