Initial draft

lib/widget/operations/presentation/message_container.dart

@@ -0,0 +1,30 @@
+import 'package:flutter/material.dart';
+
+class ErrorContainer extends MessageContainer {
+  const ErrorContainer({super.key, required super.message})
+    : super(color: Colors.deepOrangeAccent);
+}
+
+class SuccessContainer extends MessageContainer {
+  const SuccessContainer({super.key, required super.message})
+    : super(color: Colors.greenAccent);
+}
+
+class MessageContainer extends StatelessWidget {
+  final String message;
+  final Color color;
+
+  const MessageContainer({
+    super.key,
+    required this.message,
+    this.color = Colors.deepOrange,
+  });
+
+  @override
+  Widget build(BuildContext context) {
+    return DecoratedBox(
+      decoration: BoxDecoration(color: color),
+      child: Center(child: Text(message)),
+    );
+  }
+}