update theme

lib/features/showrooms/presentation/widgets/file_item.dart

@@ -0,0 +1,67 @@
+/// Widget: File Item
+///
+/// Displays a file attachment item with icon and name.
+library;
+
+import 'package:flutter/material.dart';
+
+/// File Item Widget
+///
+/// Shows a file attachment with:
+/// - File type icon
+/// - File name extracted from URL
+/// - Theme-aware styling
+class FileItem extends StatelessWidget {
+  const FileItem({
+    super.key,
+    required this.fileUrl,
+    required this.icon,
+  });
+
+  final String fileUrl;
+  final IconData icon;
+
+  String get fileName {
+    final uri = Uri.parse(fileUrl);
+    return uri.pathSegments.isNotEmpty ? uri.pathSegments.last : fileUrl;
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    final colorScheme = Theme.of(context).colorScheme;
+
+    return Container(
+      margin: const EdgeInsets.only(bottom: 8),
+      padding: const EdgeInsets.all(12),
+      decoration: BoxDecoration(
+        color: colorScheme.surfaceContainerHighest,
+        borderRadius: BorderRadius.circular(8),
+      ),
+      child: Row(
+        children: [
+          Container(
+            width: 32,
+            height: 32,
+            decoration: BoxDecoration(
+              color: colorScheme.primary,
+              borderRadius: BorderRadius.circular(6),
+            ),
+            child: Icon(icon, color: colorScheme.onPrimary, size: 14),
+          ),
+          const SizedBox(width: 12),
+          Expanded(
+            child: Text(
+              fileName,
+              style: TextStyle(
+                fontSize: 14,
+                fontWeight: FontWeight.w600,
+                color: colorScheme.onSurface,
+              ),
+              overflow: TextOverflow.ellipsis,
+            ),
+          ),
+        ],
+      ),
+    );
+  }
+}