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lib/widgets/loading_indicator.dart

@@ -0,0 +1,38 @@
+import 'package:flutter/material.dart';
+
+/// Loading indicator widget
+///
+/// Displays a circular progress indicator with optional message
+class LoadingIndicator extends StatelessWidget {
+  final String? message;
+  final double size;
+
+  const LoadingIndicator({super.key, this.message, this.size = 40});
+
+  @override
+  Widget build(BuildContext context) {
+    return Center(
+      child: Column(
+        mainAxisAlignment: MainAxisAlignment.center,
+        mainAxisSize: MainAxisSize.min,
+        children: [
+          SizedBox(
+            width: size,
+            height: size,
+            child: CircularProgressIndicator(strokeWidth: size / 10),
+          ),
+          if (message != null) ...[
+            const SizedBox(height: 16),
+            Text(
+              message!,
+              style: Theme.of(context).textTheme.bodyMedium?.copyWith(
+                color: Theme.of(context).colorScheme.onSurfaceVariant,
+              ),
+              textAlign: TextAlign.center,
+            ),
+          ],
+        ],
+      ),
+    );
+  }
+}