/* Hộp thông báo / xác nhận giữa màn hình (màu chủ đạo theo logo: navy #1C348D) */
html.qh-ntf-lock{overflow:hidden}
.qh-ntf{position:fixed;inset:0;z-index:100100;display:flex;align-items:center;justify-content:center;padding:18px;background:rgba(15,23,42,.52);backdrop-filter:blur(2px);opacity:0;transition:opacity .2s}
.qh-ntf.is-open{opacity:1}
.qh-ntf__box{width:min(400px,100%);background:#fff;border-radius:18px;padding:26px 24px 20px;text-align:center;box-shadow:0 24px 70px rgba(15,23,42,.35);transform:translateY(14px) scale(.96);transition:transform .22s cubic-bezier(.2,.9,.3,1.2)}
.qh-ntf.is-open .qh-ntf__box{transform:none}
.qh-ntf__icon{width:62px;height:62px;margin:0 auto 12px;border-radius:50%;display:flex;align-items:center;justify-content:center;background:#eef3fb;color:#1c348d}
.qh-ntf--success .qh-ntf__icon{background:#e7f7ec;color:#16a34a}
.qh-ntf--warning .qh-ntf__icon{background:#fff4e0;color:#d97706}
.qh-ntf--error .qh-ntf__icon{background:#fdeaea;color:#d0021b}
.qh-ntf__title{margin:0 0 8px;font-size:19px;font-weight:700;color:#1b2430;line-height:1.3}
.qh-ntf__msg{margin:0 0 20px;font-size:15px;line-height:1.55;color:#4b5563;white-space:pre-line}
.qh-ntf__actions{display:flex;gap:10px;justify-content:center}
.qh-ntf__btn{flex:1;min-width:110px;height:44px;border-radius:10px;border:1px solid transparent;font-size:15px;font-weight:600;cursor:pointer;font-family:inherit}
.qh-ntf__btn--ok{background:#1c348d;color:#fff}
.qh-ntf__btn--ok:hover{background:#15276b}
.qh-ntf__btn--danger{background:#d0021b}
.qh-ntf__btn--danger:hover{background:#a80116}
.qh-ntf__btn--cancel{background:#fff;color:#4b5563;border-color:#d5d9e0}
.qh-ntf__btn--cancel:hover{background:#f4f5f7}
.qh-ntf__btn:focus-visible{outline:3px solid rgba(28,52,141,.35);outline-offset:2px}
@media (prefers-reduced-motion:reduce){.qh-ntf,.qh-ntf__box{transition:none}}