.nav-item.dropdown{position:relative}
.navbar{overflow:visible}
.collapse.navbar-collapse{overflow:visible}
.dropdown-menu{position:absolute;top:100%;right:0;min-width:10rem;background:#fff;border:1px solid #dee2e6;box-shadow:0 0.5rem 1rem rgba(0,0,0,.15);border-radius:.25rem;z-index:1000;display:block;opacity:0;visibility:hidden;pointer-events:none;transform:translateY(6px);transition:opacity .15s ease, transform .15s ease, visibility .15s ease}
.dropdown-menu.show{opacity:1;visibility:visible;pointer-events:auto;transform:translateY(0)}
/* hover dihilangkan agar konsisten klik untuk mobile */