refactoring

lib/shared/widgets/error_display_widget.dart

@@ -21,17 +21,17 @@ class ErrorDisplayWidget extends StatelessWidget {
   Widget build(BuildContext context) {
     return Center(
       child: Padding(
-        padding: const EdgeInsets.all(24.0),
+        padding: const EdgeInsets.all(12.0),
         child: Column(
           mainAxisAlignment: MainAxisAlignment.center,
           children: [
             // Error icon
             Icon(
               _getErrorIcon(),
-              size: 64,
+              size: 40,
               color: _getErrorColor(context),
             ),
-            const SizedBox(height: 24),
+            const SizedBox(height: 12),
 
             // Error title
             Text(
@@ -55,7 +55,7 @@ class ErrorDisplayWidget extends StatelessWidget {
 
             // Retry button (if retryable and callback provided)
             if (showRetryButton && failure.isRetryable && onRetry != null) ...[
-              const SizedBox(height: 32),
+              const SizedBox(height: 16),
               ElevatedButton.icon(
                 onPressed: onRetry,
                 icon: const Icon(Icons.refresh),
@@ -63,7 +63,7 @@ class ErrorDisplayWidget extends StatelessWidget {
                 style: ElevatedButton.styleFrom(
                   padding: const EdgeInsets.symmetric(
                     horizontal: 32,
-                    vertical: 16,
+                    vertical: 10,
                   ),
                 ),
               ),
@@ -151,7 +151,7 @@ class ErrorBanner extends StatelessWidget {
   Widget build(BuildContext context) {
     return Container(
       margin: const EdgeInsets.all(16),
-      padding: const EdgeInsets.all(16),
+      padding: const EdgeInsets.all(10),
       decoration: BoxDecoration(
         color: _getErrorColor(context).withOpacity(0.1),
         border: Border.all(