stlyes fixes

frontend/src/components/common/ToggleTableRow.tsx

@@ -335,7 +335,7 @@ export const ToggleButton: React.FC<ToggleButtonProps> = ({
       onClick={onClick}
       className={`inline-flex items-center justify-center w-8 h-8 rounded-lg transition-all duration-200 ${
         isExpanded
-          ? 'text-blue-600 dark:text-blue-400 bg-blue-50 dark:bg-blue-900/20'
+          ? 'text-brand-600 dark:text-brand-400 bg-brand-50 dark:bg-brand-900/20'
           : 'text-gray-500 dark:text-gray-400 hover:text-gray-700 dark:hover:text-gray-300 hover:bg-gray-100 dark:hover:bg-gray-800'
       } ${className}`}
       aria-label={isExpanded ? 'Collapse content' : 'Expand content'}