full app done

lib/screens/splash_screen.dart

@@ -1,12 +1,12 @@
-/// First route shown after launch. Hands off to [MainShell] after a short delay.
+/// First route shown after launch. Hands off to the practice flow.
 library;
 
 import 'package:flutter/material.dart';
 
 import '../utils/constants.dart';
-import 'main_shell.dart';
+import 'practice_flow_screen.dart';
 
-/// Branded splash with a fade-in logo. Replaced by the bottom-nav shell.
+/// Soft branded splash before the welcome screen.
 class SplashScreen extends StatefulWidget {
   const SplashScreen({super.key});
 
@@ -32,17 +32,17 @@ class _SplashScreenState extends State<SplashScreen>
       CurvedAnimation(parent: _controller, curve: Curves.easeOutBack),
     );
     _controller.forward();
-    _goToShell();
+    _goToPractice();
   }
 
-  Future<void> _goToShell() async {
+  Future<void> _goToPractice() async {
     await Future<void>.delayed(kSplashDuration);
     if (!mounted) return;
     Navigator.of(context).pushReplacement(
       PageRouteBuilder<void>(
         pageBuilder: (_, animation, _) => FadeTransition(
           opacity: animation,
-          child: const MainShell(),
+          child: const PracticeFlowScreen(),
         ),
         transitionDuration: const Duration(milliseconds: 400),
       ),
@@ -57,20 +57,27 @@ class _SplashScreenState extends State<SplashScreen>
 
   @override
   Widget build(BuildContext context) {
-    final colors = Theme.of(context).colorScheme;
     final textTheme = Theme.of(context).textTheme;
 
+    final colors = Theme.of(context).colorScheme;
+    final isDark = colors.brightness == Brightness.dark;
     return Scaffold(
       body: DecoratedBox(
         decoration: BoxDecoration(
           gradient: LinearGradient(
-            begin: Alignment.topLeft,
-            end: Alignment.bottomRight,
-            colors: [
-              colors.primary,
-              colors.primaryContainer,
-              colors.tertiary,
-            ],
+            begin: Alignment.topCenter,
+            end: Alignment.bottomCenter,
+            colors: isDark
+                ? [
+                    colors.surface,
+                    colors.surfaceContainerLow,
+                    colors.surfaceContainer,
+                  ]
+                : [
+                    colors.surface,
+                    colors.surfaceContainerLow,
+                    const Color(0xFFE8DFD2),
+                  ],
           ),
         ),
         child: SafeArea(
@@ -82,31 +89,36 @@ class _SplashScreenState extends State<SplashScreen>
                 child: Column(
                   mainAxisSize: MainAxisSize.min,
                   children: [
-                    Container(
-                      width: 88,
-                      height: 88,
-                      decoration: BoxDecoration(
-                        color: colors.onPrimary.withValues(alpha: 0.16),
-                        borderRadius: BorderRadius.circular(24),
-                      ),
-                      child: Icon(
-                        Icons.layers_rounded,
-                        size: 44,
-                        color: colors.onPrimary,
+                    ClipOval(
+                      child: Image.asset(
+                        'assets/images/emblem.png',
+                        width: 88,
+                        height: 88,
+                        fit: BoxFit.cover,
+                        errorBuilder: (_, _, _) => Container(
+                          width: 88,
+                          height: 88,
+                          color: colors.primaryContainer,
+                          child: const Icon(
+                            Icons.spa,
+                            size: 44,
+                            color: Colors.white,
+                          ),
+                        ),
                       ),
                     ),
                     const SizedBox(height: 24),
                     Text(
                       kAppName,
                       style: textTheme.displaySmall?.copyWith(
-                        color: colors.onPrimary,
+                        color: colors.onSurface,
                       ),
                     ),
                     const SizedBox(height: 8),
                     Text(
-                      'A Material 3 starter template',
+                      'Clarify what guides you',
                       style: textTheme.bodyLarge?.copyWith(
-                        color: colors.onPrimary.withValues(alpha: 0.85),
+                        color: colors.onSurfaceVariant,
                       ),
                     ),
                     const SizedBox(height: 40),
@@ -115,7 +127,7 @@ class _SplashScreenState extends State<SplashScreen>
                       height: 28,
                       child: CircularProgressIndicator(
                         strokeWidth: 3,
-                        color: colors.onPrimary,
+                        color: colors.primary,
                       ),
                     ),
                   ],