Initial commit

lib/core/extensions/context_extensions.dart

@@ -0,0 +1,35 @@
+import 'package:flutter/material.dart';
+import 'package:trainhub_flutter/core/theme/app_colors.dart';
+
+extension BuildContextExtensions on BuildContext {
+  ThemeData get theme => Theme.of(this);
+  ColorScheme get colors => theme.colorScheme;
+  TextTheme get textTheme => theme.textTheme;
+  MediaQueryData get mediaQuery => MediaQuery.of(this);
+  double get screenWidth => mediaQuery.size.width;
+  double get screenHeight => mediaQuery.size.height;
+
+  void showSnackBar(String message, {bool isError = false}) {
+    ScaffoldMessenger.of(this).showSnackBar(
+      SnackBar(
+        content: Text(message),
+        backgroundColor:
+            isError ? AppColors.destructive : AppColors.surfaceContainer,
+      ),
+    );
+  }
+
+  void showSuccessSnackBar(String message) {
+    ScaffoldMessenger.of(this).showSnackBar(
+      SnackBar(
+        content: Row(
+          children: [
+            const Icon(Icons.check_circle, color: AppColors.success, size: 18),
+            const SizedBox(width: 8),
+            Expanded(child: Text(message)),
+          ],
+        ),
+      ),
+    );
+  }
+}