/* =============================================================================
   Mẫu đăng nhập 8 — Neon HUD: nền gần đen xanh có lưới + scanline, form trong khung
   ngoặc vuông góc vát với tia quét, readout trang trí hai bên trên màn rộng. Prefix hu-
   Anh em với landing page11 (prefix hd-): cùng bảng màu, font, kiểu nút/ô nhập.
   ============================================================================= */

.au-t8 {
    --au-font: 'Chakra Petch', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
    --au-bg: #05070d;
    --au-ink: #e6f1ff;
    --au-muted: #8a97bd;
    --au-label: #c9d5ee;
    --au-soft: rgba(34, 225, 255, .06);

    --au-input-h: 48px;
    --au-input-bg: rgba(3, 8, 18, .82);
    --au-input-ink: #e6f1ff;
    --au-input-bw: 1px;
    --au-input-border: rgba(34, 225, 255, .22);
    --au-input-border-hover: rgba(34, 225, 255, .42);
    --au-input-focus: #22e1ff;
    --au-autofill: #06101f;
    --au-ring: rgba(34, 225, 255, .14);
    --au-placeholder: #66739a;
    --au-ic: #6f7da6;
    --au-radius: 2px;
    --au-gap: 18px;

    --au-primary: #22e1ff;
    --au-primary-ink: #02121a;
    --au-btn-bg: transparent;
    --au-btn-h: 52px;
    --au-btn-radius: 0;
    --au-btn-shadow: none;
    --au-link: #22e1ff;

    --au-tabs-bg: rgba(3, 8, 18, .72);
    --au-tabs-ink: #8a97bd;
    --au-tabs-active-bg: rgba(34, 225, 255, .1);
    --au-tabs-active-ink: #22e1ff;
    --au-tabs-active-shadow: inset 0 -2px 0 #22e1ff;

    --au-pop-bg: #0a1428;
    --au-pop-ink: #c9d5ee;
    --au-pop-border: rgba(34, 225, 255, .3);
    --au-danger: #ff6b9a;
    --au-ok: #b6ff3b;

    /* riêng mẫu */
    --hu-cyan: #22e1ff;
    --hu-cyan-2: #8ff3ff;
    --hu-magenta: #ff2bd6;
    --hu-lime: #b6ff3b;
    --hu-dim: #6f7da6;
    --hu-line: rgba(34, 225, 255, .14);
    --hu-line-2: rgba(34, 225, 255, .3);
    --hu-mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
    --hu-grad: linear-gradient(100deg, #22e1ff 0%, #8ff3ff 100%);
    --hu-brk-img:
        linear-gradient(currentColor, currentColor), linear-gradient(currentColor, currentColor),
        linear-gradient(currentColor, currentColor), linear-gradient(currentColor, currentColor),
        linear-gradient(currentColor, currentColor), linear-gradient(currentColor, currentColor),
        linear-gradient(currentColor, currentColor), linear-gradient(currentColor, currentColor);
}
body.au-t8 { overflow-x: hidden; }
.au-t8 ::selection { background: rgba(34, 225, 255, .32); color: #fff; }

/* Ngoặc vuông 4 góc dùng chung (khung form, panel readout, ô nhập khi focus) */
.hu-frame::before,
.hu-panel::before,
.au-t8 .au-control::after {
    content: "";
    position: absolute;
    color: var(--hu-brk, var(--hu-cyan));
    background-image: var(--hu-brk-img);
    background-position: 0 0, 0 0, 100% 0, 100% 0, 0 100%, 0 100%, 100% 100%, 100% 100%;
    background-size:
        var(--l) var(--t), var(--t) var(--l), var(--l) var(--t), var(--t) var(--l),
        var(--l) var(--t), var(--t) var(--l), var(--l) var(--t), var(--t) var(--l);
    background-repeat: no-repeat;
    pointer-events: none;
}

/* ---------- Nền ---------- */
.hu-bg {
    position: fixed;
    inset: 0;
    z-index: 0;
    overflow: hidden;
    pointer-events: none;
}
.hu-bg__glow,
.hu-bg__grid,
.hu-bg__scan {
    position: absolute;
    inset: 0;
}
.hu-bg__glow {
    background:
        radial-gradient(760px 520px at 50% 46%, rgba(34, 225, 255, .1), transparent 66%),
        radial-gradient(640px 480px at 0% 100%, rgba(255, 43, 214, .08), transparent 62%),
        radial-gradient(700px 520px at 100% 0%, rgba(34, 225, 255, .08), transparent 62%),
        linear-gradient(180deg, #05070d 0%, #070b17 55%, #0a0f1f 100%);
}
.hu-bg__grid {
    background-image:
        linear-gradient(rgba(34, 225, 255, .055) 1px, transparent 1px),
        linear-gradient(90deg, rgba(34, 225, 255, .055) 1px, transparent 1px);
    background-position: center center;
    background-size: 44px 44px;
    -webkit-mask-image: radial-gradient(ellipse 75% 70% at 50% 48%, #000 25%, transparent 85%);
    mask-image: radial-gradient(ellipse 75% 70% at 50% 48%, #000 25%, transparent 85%);
}
.hu-bg__scan {
    background: repeating-linear-gradient(180deg, rgba(255, 255, 255, .022) 0 1px, transparent 1px 3px);
}
/* vòng ngắm lớn phía sau form */
.hu-bg__reticle {
    position: absolute;
    left: 50%;
    top: 50%;
    width: min(980px, 150vw);
    aspect-ratio: 1;
    transform: translate(-50%, -50%);
}
.hu-bg__reticle i {
    position: absolute;
    left: 50%;
    top: 50%;
    border-radius: 50%;
    transform: translate(-50%, -50%);
}
.hu-bg__reticle i:nth-child(1) {
    width: 100%;
    height: 100%;
    border: 1px solid rgba(34, 225, 255, .07);
}
.hu-bg__reticle i:nth-child(2) {
    width: 76%;
    height: 76%;
    border: 1px dashed rgba(34, 225, 255, .12);
    animation: hu-spin-c 120s linear infinite;
}
.hu-bg__reticle i:nth-child(3) {
    width: 54%;
    height: 54%;
    border: 1px solid rgba(255, 43, 214, .08);
}
@keyframes hu-spin-c { to { transform: translate(-50%, -50%) rotate(360deg); } }

/* ---------- Khung trang ---------- */
.hu-page {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    min-height: 100dvh;
    padding: 18px clamp(16px, 3vw, 36px);
}
.hu-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}
.hu-top__sys {
    display: none;
    align-items: center;
    gap: 9px;
    margin: 0;
    color: var(--au-muted);
    font-family: var(--hu-mono);
    font-size: 11px;
    letter-spacing: .16em;
    white-space: nowrap;
}
.hu-top__sys i,
.hu-live i,
.hu-foot__sys i {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--hu-lime);
    box-shadow: 0 0 10px var(--hu-lime);
    animation: hu-blink 2.4s steps(1) infinite;
}
.hu-top__sys b { color: var(--hu-magenta); font-weight: 500; }
@media (min-width: 992px) {
    .hu-top__sys { display: inline-flex; }
}
.hu-top .lang-picker-row { width: auto; padding: 0; }

@keyframes hu-blink {
    0%, 70% { opacity: 1; }
    71%, 100% { opacity: .25; }
}

/* Thương hiệu */
.au-t8 .au-brand { gap: 12px; }
.au-t8 .au-brand__mark {
    width: 38px;
    height: 38px;
    border-radius: 0;
    background: var(--hu-grad);
    color: var(--au-primary-ink);
    font-size: 18px;
    clip-path: polygon(9px 0, 100% 0, 100% calc(100% - 9px), calc(100% - 9px) 100%, 0 100%, 0 9px);
}
.au-t8 .au-brand__name {
    font-size: 16px;
    letter-spacing: .05em;
    text-transform: uppercase;
}
.au-t8 .au-brand__logo {
    max-height: 44px;
    padding: 6px 10px;
    background: rgba(230, 241, 255, .94);
    clip-path: polygon(8px 0, 100% 0, 100% calc(100% - 8px), calc(100% - 8px) 100%, 0 100%, 0 8px);
}

.hu-main {
    flex: 1;
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    align-items: center;
    justify-items: center;
    gap: 44px;
    padding: 40px 0;
}
@media (min-width: 1200px) {
    .hu-main { grid-template-columns: minmax(0, 1fr) minmax(0, 460px) minmax(0, 1fr); }
}

/* ---------- Khung form: viền góc vát + ngoặc vuông + tia quét ---------- */
.hu-frame {
    --cut: 22px;
    --l: 22px;
    --t: 2px;
    position: relative;
    isolation: isolate;
    display: flex;
    flex-direction: column;
    width: 100%;
    max-width: 460px;
}
.hu-frame::before {
    inset: -7px;
    z-index: 2;
    filter: drop-shadow(0 0 5px rgba(34, 225, 255, .6));
}
.hu-frame::after {
    content: "";
    position: absolute;
    inset: 6% 2%;
    z-index: -2;
    background: radial-gradient(closest-side, rgba(34, 225, 255, .16), transparent);
    filter: blur(20px);
    pointer-events: none;
}
.hu-frame__shell {
    position: absolute;
    inset: 0;
    z-index: -1;
    overflow: hidden;
    background: linear-gradient(160deg, rgba(34, 225, 255, .6), rgba(34, 225, 255, .2) 38%, rgba(34, 225, 255, .16) 62%, rgba(255, 43, 214, .45));
    clip-path: polygon(var(--cut) 0, 100% 0, 100% calc(100% - var(--cut)), calc(100% - var(--cut)) 100%, 0 100%, 0 var(--cut));
}
.hu-frame__shell::before {
    content: "";
    position: absolute;
    inset: 1px;
    background:
        linear-gradient(180deg, rgba(34, 225, 255, .05), transparent 140px),
        linear-gradient(180deg, rgba(10, 18, 37, .97), rgba(5, 10, 22, .98));
    clip-path: polygon(var(--cut) 0, 100% 0, 100% calc(100% - var(--cut)), calc(100% - var(--cut)) 100%, 0 100%, 0 var(--cut));
}
.hu-frame__shell::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 82%, rgba(34, 225, 255, .05) 94%, rgba(34, 225, 255, .16) 99.5%, rgba(143, 243, 255, .4) 100%);
    transform: translateY(-100%);
    animation: hu-beam 7s linear infinite;
}
@keyframes hu-beam {
    from { transform: translateY(-100%); }
    to { transform: translateY(100%); }
}

.hu-frame__bar,
.hu-frame__foot {
    display: flex;
    align-items: center;
    gap: 12px;
    font-family: var(--hu-mono);
    letter-spacing: .16em;
    white-space: nowrap;
}
.hu-frame__bar {
    justify-content: space-between;
    padding: 12px 22px 11px calc(var(--cut) + 12px);
    border-bottom: 1px solid var(--hu-line);
    color: #c9d5ee;
    font-size: 10.5px;
}
.hu-frame__bar b { color: var(--hu-magenta); font-weight: 500; }
.hu-live {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    color: var(--hu-lime);
}
.hu-frame__foot {
    padding: 11px calc(var(--cut) + 12px) 12px 22px;
    border-top: 1px solid var(--hu-line);
    color: var(--hu-dim);
    font-size: 10px;
}
.hu-frame__foot .hu-seg { flex: 1; }
.hu-frame__foot .hu-seg i {
    width: 100%;
    background: linear-gradient(90deg, rgba(34, 225, 255, .3) 0 40%, #b8f8ff 50%, rgba(34, 225, 255, .3) 60% 100%);
    background-size: 250% 100%;
    animation: hu-shine 4.5s linear infinite;
}
@keyframes hu-shine {
    from { background-position: 100% 0; }
    to { background-position: 0 0; }
}

.hu-frame__body {
    display: flex;
    flex-direction: column;
    gap: 22px;
    padding: 26px 30px 28px;
}

.hu-kicker {
    margin: 0;
    color: var(--hu-cyan);
    font-family: var(--hu-mono);
    font-size: 11.5px;
    letter-spacing: .14em;
    text-transform: uppercase;
}
.hu-kicker span { color: var(--hu-magenta); }
.hu-title {
    margin: 10px 0 8px;
    color: var(--au-ink);
    font-size: 30px;
    font-weight: 700;
    line-height: 1.15;
    letter-spacing: .02em;
    text-transform: uppercase;
    text-shadow: 0 0 24px rgba(34, 225, 255, .3);
}
.hu-sub {
    margin: 0;
    color: var(--au-muted);
    font-size: 14.5px;
}
.hu-sub b {
    color: var(--hu-cyan-2);
    font-weight: 600;
    overflow-wrap: anywhere;
}

/* ---------- Tabs, ô nhập, nút theo ngôn ngữ HUD ---------- */
.au-t8 .au-tabs {
    gap: 0;
    padding: 0;
    border: 1px solid var(--hu-line-2);
    border-radius: 0;
}
.au-t8 .au-tabs__item {
    height: 42px;
    border-radius: 0;
    font-size: 13px;
    letter-spacing: .12em;
    text-transform: uppercase;
}
.au-t8 .au-tabs__item + .au-tabs__item { border-left: 1px solid var(--hu-line); }
.au-t8 .au-tabs__item.is-active { text-shadow: 0 0 10px rgba(34, 225, 255, .55); }

.au-t8 .au-label {
    font-size: 12.5px;
    letter-spacing: .1em;
    text-transform: uppercase;
}
.au-t8 .au-optional { color: var(--hu-dim); }
.au-t8 .au-link--sm { font-size: 13px; }
.au-t8 .re-check-password { font-size: 12.5px; letter-spacing: .04em; }

/* ngoặc vuông sáng lên quanh ô đang nhập */
.au-t8 .au-control::after {
    --l: 8px;
    --t: 1.5px;
    inset: -5px;
    opacity: 0;
    transform: scale(1.02);
    transition: opacity .2s, transform .25s;
}
.au-t8 .au-control:focus-within::after { opacity: 1; transform: none; }
.au-t8 .au-input { letter-spacing: .01em; caret-color: var(--hu-cyan); }
.au-t8 .au-input:focus {
    background: #040a17;
    box-shadow: 0 0 0 3px var(--au-ring), 0 0 22px -6px rgba(34, 225, 255, .6);
}

/* nút góc vát: nền nằm ở ::before (clip-path) để viền focus và quầng sáng không bị cắt */
.au-t8 .au-btn {
    isolation: isolate;
    margin-top: 6px;
    font-size: 15px;
    letter-spacing: .12em;
    text-transform: uppercase;
    filter: drop-shadow(0 0 10px rgba(34, 225, 255, .4));
}
.au-t8 .au-btn::before {
    content: "";
    position: absolute;
    inset: 0;
    z-index: -1;
    background: var(--hu-grad);
    clip-path: polygon(12px 0, 100% 0, 100% calc(100% - 12px), calc(100% - 12px) 100%, 0 100%, 0 12px);
    transition: background .2s;
}
.au-t8 .au-btn:hover { filter: drop-shadow(0 0 18px rgba(34, 225, 255, .7)); }
.au-t8 .au-btn:hover::before { background: linear-gradient(100deg, #5ae9ff, #c2f9ff); }
.au-t8 .au-btn:focus-visible { outline: 2px solid var(--hu-cyan-2); outline-offset: 4px; }
.au-t8 .au-btn:disabled { color: #dfe8f7; filter: none; }
.au-t8 .au-btn:disabled::before { background: linear-gradient(100deg, #24394a, #2f4a5c); }

.au-t8 .au-chip-btn {
    height: 30px;
    border: 1px dashed var(--hu-line-2);
    border-radius: 0;
    color: var(--hu-cyan);
}
.au-t8 .au-chip-btn:hover { background: rgba(34, 225, 255, .08); }

.au-t8 .au-try {
    border: 1px dashed var(--hu-line);
    border-radius: 0;
    background: rgba(34, 225, 255, .03);
}
.au-t8 .au-check__box { border-radius: 2px; }

.au-t8 .au-field--pw .check-password {
    box-shadow: 0 0 30px -10px rgba(34, 225, 255, .4), 0 18px 40px -14px rgba(0, 0, 0, .9);
}

/* ---------- Readout trang trí hai bên (màn rộng) ---------- */
.hu-side {
    display: none;
    flex-direction: column;
    gap: 16px;
    width: 100%;
    max-width: 260px;
}
@media (min-width: 1200px) {
    .hu-side { display: flex; }
}
.hu-side--l { justify-self: end; }
.hu-side--r { justify-self: start; }
.au--register .hu-side {
    position: sticky;
    top: 32px;
    align-self: start;
    margin-top: 48px;
}

.hu-panel {
    --l: 10px;
    --t: 1.5px;
    --hu-brk: rgba(34, 225, 255, .75);
    position: relative;
    padding: 16px 18px;
    border: 1px solid var(--hu-line);
    background: rgba(8, 14, 30, .72);
}
.hu-panel::before { inset: -1px; }
.hu-panel__key {
    margin: 0;
    color: var(--hu-cyan);
    font-family: var(--hu-mono);
    font-size: 10.5px;
    letter-spacing: .16em;
}
.hu-panel__title {
    margin: 4px 0 14px;
    color: var(--au-ink);
    font-size: 15px;
    font-weight: 600;
}

.hu-radar {
    position: relative;
    width: 148px;
    margin: 0 auto 16px;
    aspect-ratio: 1;
    border: 1px solid rgba(34, 225, 255, .32);
    border-radius: 50%;
    background:
        linear-gradient(rgba(34, 225, 255, .18), rgba(34, 225, 255, .18)) center / 1px 100% no-repeat,
        linear-gradient(rgba(34, 225, 255, .18), rgba(34, 225, 255, .18)) center / 100% 1px no-repeat,
        repeating-radial-gradient(circle, transparent 0 24px, rgba(34, 225, 255, .2) 24px 25px),
        radial-gradient(circle, rgba(34, 225, 255, .1), transparent 70%);
}
.hu-radar__sweep {
    position: absolute;
    inset: 0;
    border-radius: 50%;
    background: conic-gradient(from 0deg, transparent 0deg 290deg, rgba(34, 225, 255, .03) 290deg, rgba(34, 225, 255, .32) 358deg, rgba(160, 245, 255, .75) 360deg);
    animation: hu-spin 5s linear infinite;
}
@keyframes hu-spin { to { transform: rotate(360deg); } }
.hu-radar__blip {
    position: absolute;
    left: var(--x);
    top: var(--y);
    width: 7px;
    height: 7px;
    margin: -3.5px 0 0 -3.5px;
    border-radius: 50%;
    background: var(--hu-cyan);
    box-shadow: 0 0 10px var(--hu-cyan);
    animation: hu-fade 5s linear infinite;
    animation-delay: var(--d);
}
.hu-radar__blip + .hu-radar__blip { background: var(--hu-magenta); box-shadow: 0 0 10px var(--hu-magenta); }
@keyframes hu-fade {
    0% { opacity: 1; transform: scale(1.3); }
    40%, 100% { opacity: .25; transform: none; }
}
.hu-radar__core {
    position: absolute;
    left: 50%;
    top: 50%;
    width: 6px;
    height: 6px;
    margin: -3px 0 0 -3px;
    border-radius: 50%;
    background: var(--hu-cyan);
    box-shadow: 0 0 10px var(--hu-cyan);
}

.hu-read,
.hu-status {
    display: grid;
    margin: 0;
    padding: 0;
    list-style: none;
}
.hu-read { gap: 8px; }
.hu-read li {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    padding-bottom: 8px;
    border-bottom: 1px dashed var(--hu-line);
    color: var(--au-muted);
    font-size: 13px;
}
.hu-read li:last-child { padding-bottom: 0; border-bottom: 0; }
.hu-read b,
.hu-status b {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    color: var(--hu-cyan);
    font-family: var(--hu-mono);
    font-size: 10.5px;
    font-weight: 500;
    letter-spacing: .12em;
}
.hu-read b.is-lime { color: var(--hu-lime); }
.hu-read b i {
    width: 6px;
    height: 11px;
    background: var(--hu-lime);
    animation: hu-blink 1.1s steps(1) infinite;
}

.hu-status { gap: 14px; }
.hu-status__row {
    display: flex;
    justify-content: space-between;
    gap: 10px;
    margin-bottom: 7px;
    color: var(--au-muted);
    font-size: 13px;
}
.hu-status b { color: var(--hu-lime); }

/* thanh chia khúc (giống landing page11) */
.hu-seg {
    --n: 16;
    position: relative;
    display: block;
    height: 6px;
    background: rgba(34, 225, 255, .14);
    -webkit-mask-image: repeating-linear-gradient(90deg, #000 0 calc(100% / var(--n) - 2px), transparent 0 calc(100% / var(--n)));
    mask-image: repeating-linear-gradient(90deg, #000 0 calc(100% / var(--n) - 2px), transparent 0 calc(100% / var(--n)));
}
.hu-seg i {
    position: absolute;
    top: 0;
    bottom: 0;
    left: 0;
    width: calc(var(--p, 100) * 1%);
    background: linear-gradient(90deg, #12a9c8, var(--hu-cyan) 55%, #b8f8ff);
}

.hu-panel--stats {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    padding: 14px 6px;
}
.hu-stat { min-width: 0; text-align: center; }
.hu-stat + .hu-stat { border-left: 1px solid var(--hu-line); }
.hu-stat b {
    display: block;
    color: var(--au-ink);
    font-family: var(--hu-mono);
    font-size: 16px;
    font-weight: 600;
    text-shadow: 0 0 16px rgba(34, 225, 255, .45);
}
.hu-stat span { color: var(--au-muted); font-size: 11.5px; }

.hu-signal {
    display: flex;
    justify-content: space-between;
    gap: 6px;
}
.hu-signal span {
    display: grid;
    place-items: center;
    width: 36px;
    height: 36px;
    background: rgba(34, 225, 255, .08);
    color: #bfe9f7;
    clip-path: polygon(7px 0, 100% 0, 100% calc(100% - 7px), calc(100% - 7px) 100%, 0 100%, 0 7px);
}
.hu-signal svg { width: 16px; height: 16px; }

/* ---------- Chân trang ---------- */
.hu-foot {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 6px 16px;
    color: var(--hu-dim);
    font-size: 12.5px;
}
.hu-foot__sys {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--hu-lime);
    font-family: var(--hu-mono);
    font-size: 10.5px;
    letter-spacing: .16em;
}

/* ---------- Chọn ngôn ngữ trên nền tối (menu nền đặc) ---------- */
.au-t8 .lang-picker,
.au-t8 .lp-menu {
    --lp-bg: rgba(8, 14, 30, .85);
    --lp-border: rgba(34, 225, 255, .28);
    --lp-ink: #e6f1ff;
    --lp-ink-2: #c9d5ee;
    --lp-muted: #8a97bd;
    --lp-hover: rgba(34, 225, 255, .1);
    --lp-primary: #22e1ff;
    --lp-primary-soft: rgba(34, 225, 255, .12);
}
.au-t8 .lp-menu {
    --lp-bg: #0a1428;
    --lp-hover: #102040;
    box-shadow: 0 0 30px -10px rgba(34, 225, 255, .35), 0 24px 50px -12px rgba(0, 0, 0, .9);
}
.au-t8 .lang-picker .lp-btn { border-radius: 2px; }

/* ---------- Modal OTP nền tối ---------- */
.au-t8 #modalOTP { background: rgba(2, 5, 12, .72); }
.au-t8 #modalOTP .modal-content {
    border: 1px solid var(--hu-line-2);
    border-radius: 0;
    background: #0a1428;
    color: var(--au-ink);
    box-shadow: 0 0 60px -20px rgba(34, 225, 255, .5), 0 30px 60px -12px rgba(0, 0, 0, .85);
}
.au-t8 #modalOTP .modal-title {
    font-family: var(--au-font);
    letter-spacing: .08em;
    text-transform: uppercase;
}
.au-t8 #modalOTP .close {
    border: 1px solid var(--hu-line-2);
    border-radius: 0;
    background: rgba(34, 225, 255, .06);
    color: var(--hu-cyan);
}
.au-t8 #modalOTP .otp-label { color: var(--au-muted); }
.au-t8 #modalOTP #otp {
    border-bottom-color: rgba(34, 225, 255, .5) !important;
    background-color: #040a17;
    color: var(--au-ink);
    font-family: var(--hu-mono);
}
.au-t8 #modalOTP #otp:focus { border-bottom-color: var(--hu-cyan) !important; }
.au-t8 #modalOTP .btn-confirm-otp {
    border-radius: 0;
    background: var(--hu-grad);
    font-family: var(--au-font);
    letter-spacing: .1em;
    text-transform: uppercase;
    clip-path: polygon(9px 0, 100% 0, 100% calc(100% - 9px), calc(100% - 9px) 100%, 0 100%, 0 9px);
}

/* ---------- Mobile ---------- */
@media (max-width: 559.98px) {
    .hu-page { padding: 14px 16px; }
    .hu-main { padding: 26px 0; }
    .hu-frame { --cut: 16px; --l: 16px; }
    .hu-frame::before { inset: -5px; }
    .hu-frame__bar { padding: 10px 16px 10px calc(var(--cut) + 10px); }
    .hu-frame__foot { padding: 10px calc(var(--cut) + 10px) 11px 16px; }
    .hu-frame__body { gap: 20px; padding: 22px 18px 24px; }
    .hu-title { font-size: 25px; }
    .au-t8 .au-brand__name { font-size: 14.5px; letter-spacing: .03em; }
    .au-t8 .au-brand__mark { width: 34px; height: 34px; font-size: 16px; }
    .hu-foot { justify-content: center; padding-right: 0; text-align: center; }
    .hu-foot__sys { display: none; }
}

@media (prefers-reduced-motion: reduce) {
    .hu-frame__shell::after { display: none; }
    .hu-radar__sweep { transform: rotate(48deg); }
}

/* ---------- Chân trang thương hiệu: bảng HUD viền cyan, chữ mono ---------- */
.au-t8 .auth-footer__inner {
    margin-top: 14px;
    padding: 10px 16px;
    border: 1px solid var(--hu-line-2);
    border-radius: 2px;
    background: rgba(3, 8, 18, .72);
    color: var(--hu-dim);
    font-family: var(--hu-mono);
    font-size: 11.5px;
}
.au-t8 .auth-footer__info::before { content: '// '; color: var(--hu-cyan); }
.au-t8 .auth-footer__links a {
    color: var(--hu-cyan);
    letter-spacing: .08em;
    text-transform: uppercase;
}
.au-t8 .auth-footer__links a:hover { color: var(--hu-cyan-2); text-decoration: none; }