fix: adjust user form text colors for light theme

app/[locale]/(backend)/users/page.tsx

@@ -54,7 +54,7 @@ export default function UsersPage() {
         {/* Header: Title + Button for Desktop only */}
         <div className="hidden items-center justify-between md:flex">
           <div className="space-y-1">
-            <h1 className="text-4xl font-bold tracking-tight text-white">
+            <h1 className="text-4xl font-bold tracking-tight">
               {t("title")}
             </h1>
             <p className="text-muted-foreground mt-3 hidden max-w-2xl text-lg md:block">
@@ -78,7 +78,7 @@ export default function UsersPage() {
               <Button
                 variant="ghost"
                 size="icon"
-                className="hover:bg-muted text-muted-foreground size-8 transition-colors hover:text-white md:size-10"
+                className="hover:bg-muted text-muted-foreground size-8 transition-colors md:size-10"
               >
                 <Filter className="size-4 md:size-5" />
                 <span className="sr-only">Filters</span>