Top Up Balance logic and Added fixes for routing

frontend/pweb/lib/pages/wallet_top_up/info_chip.dart

@@ -0,0 +1,48 @@
+import 'package:flutter/material.dart';
+
+import 'package:pweb/utils/dimensions.dart';
+
+
+class WalletTopUpInfoChip extends StatelessWidget {
+  final String label;
+  final String value;
+
+  const WalletTopUpInfoChip({
+    super.key,
+    required this.label,
+    required this.value,
+  });
+
+  @override
+  Widget build(BuildContext context) {
+    final theme = Theme.of(context);
+    final dimensions = AppDimensions();
+
+    return Container(
+      padding: EdgeInsets.all(dimensions.paddingMedium),
+      decoration: BoxDecoration(
+        borderRadius: BorderRadius.circular(dimensions.borderRadiusSmall),
+        border: Border.all(color: theme.colorScheme.outlineVariant),
+        color: theme.colorScheme.surfaceVariant.withOpacity(0.4),
+      ),
+      child: Column(
+        crossAxisAlignment: CrossAxisAlignment.start,
+        children: [
+          Text(
+            label,
+            style: theme.textTheme.labelMedium?.copyWith(
+              color: theme.colorScheme.onSurfaceVariant,
+            ),
+          ),
+          const SizedBox(height: 4),
+          Text(
+            value,
+            style: theme.textTheme.titleMedium?.copyWith(
+              fontWeight: FontWeight.w600,
+            ),
+          ),
+        ],
+      ),
+    );
+  }
+}