/* Nut hien/an mat khau — xem js/jk/jk-hien-matkhau.js */
.jk-mk-boc { position: relative; display: block; }
.jk-mk-boc > input { width: 100%; padding-right: 44px; }
.jk-mk-nut {
    position: absolute; top: 50%; right: 8px; transform: translateY(-50%);
    display: inline-flex; align-items: center; justify-content: center;
    width: 30px; height: 30px; padding: 0;
    background: transparent; border: 0; border-radius: 8px;
    color: var(--tx-3, #8a8a8a); cursor: pointer;
    transition: color .15s, background .15s;
}
.jk-mk-nut:hover  { color: var(--tx-1, #222); background: rgba(128,128,128,.12); }
.jk-mk-nut:focus-visible { outline: 2px solid var(--accent-soft-tx, #3b82f6); outline-offset: 1px; }