changes

src/app/components/language-selector/language-selector.component.ts

@@ -31,6 +31,15 @@ export class LanguageSelectorComponent {
     this.dropdownOpen = false;
   }
 
+  onKeyDown(event: KeyboardEvent): void {
+    if (event.key === 'Escape') {
+      this.dropdownOpen = false;
+    } else if (event.key === 'Enter' || event.key === ' ') {
+      event.preventDefault();
+      this.toggleDropdown();
+    }
+  }
+
   @HostListener('document:click', ['$event'])
   onClickOutside(event: Event): void {
     if (!this.elementRef.nativeElement.contains(event.target)) {