refac

src/lib/components/chat/FileNav/FilePreview.svelte

@@ -319,7 +319,7 @@
 						<button
 							class="shrink-0 px-3 py-1 text-xs rounded-md transition-colors
 								{selectedExcelSheet === sheet
-								? 'bg-gray-200 dark:bg-gray-700 text-gray-800 dark:text-gray-200 font-medium'
+								? 'bg-gray-200 dark:bg-gray-700 text-gray-800 dark:text-gray-200 font-normal'
 								: 'text-gray-500 dark:text-gray-400 hover:bg-gray-100 dark:hover:bg-gray-800'}"
 							on:click={() => onSheetChange?.(sheet)}
 						>