improvement: tasks UI responsivness improved for mobile devices.

frontend/src/components/ui/lab/TasksPage.tsx

@@ -282,7 +282,7 @@ export function TasksPage() {
     [canEdit, loadTasks, setError, showError, showSuccess, statusFilter, t, tErrors],
   );
 
-  const filterSelectClass = `${FORM_SELECT_CLASS} w-full rounded-md px-2 py-1.5 text-sm`;
+  const filterSelectClass = `${FORM_SELECT_CLASS} w-full min-h-[44px] rounded-md px-2 py-2 text-base sm:min-h-0 sm:py-1.5 sm:text-sm`;
 
   const sortHintKey = useMemo(() => {
     switch (sortBy) {
@@ -467,7 +467,7 @@ export function TasksPage() {
         ) : null}
       </section>
 
-      <section className="surface-card min-h-[280px]">
+      <section className="surface-card min-h-[280px] overflow-x-hidden">
         {(loading || locatingCase) && tasks.length === 0 ? (
           <p className="p-3 text-sm text-text-muted">
             {locatingCase ? t('locatingCase') : t('loading')}