💄 Optimize styles

lib/main.dart

@@ -36,7 +36,8 @@ class GoatAgent extends StatelessWidget {
             primarySwatch: Colors.indigo,
             accentColor: Colors.indigoAccent,
             backgroundColor: Colors.white,
-            brightness: Brightness.light),
+            brightness: Brightness.light,
+        ),
         useMaterial3: true,
       ),
       darkTheme: ThemeData(
@@ -44,8 +45,9 @@ class GoatAgent extends StatelessWidget {
         colorScheme: ColorScheme.fromSwatch(
             primarySwatch: Colors.indigo,
             accentColor: Colors.indigoAccent,
-            backgroundColor: Colors.black12,
+            backgroundColor: Colors.black,
-            brightness: Brightness.dark),
+            brightness: Brightness.dark,
+        ),
         useMaterial3: true,
       ),
       home: const AgentNavigation(),

lib/screens/application.dart

@@ -9,13 +9,11 @@ class ApplicationScreen extends StatelessWidget {
 
   @override
   Widget build(BuildContext context) {
+    ScaffoldMessenger.of(context).showSnackBar(const SnackBar(
+      content: Text("Swipe from left to back to dashboard."),
+    ));
+
     return Scaffold(
-      appBar: PreferredSize(
-          preferredSize: const Size.fromHeight(32.0),
-          child: Padding(
-            padding: const EdgeInsets.symmetric(horizontal: 18),
-            child: AppBar(),
-          )),
       body: SafeArea(
         child: Stack(
           children: [