                     <div class="dropdown-search">
                                        <input type="text" placeholder="Tìm kiếm xã/phường/thị trấn...">
                                    </div>
                                    <div class="dropdown-options"></div>
                                </div>
                            </div>
                            <!-- Hidden original select for form compatibility -->
                            <select class="form-select" id="wardSelect" 