* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

:root {
    --primary: #c74f3d;
    --primary-dark: #a83a31;
    --gold: #d7bc69;
    --dark: #141414;
    --text: #222222;
    --muted: #666666;
    --border: #e8e8e8;
    --bg: #ffffff;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: Arial, Helvetica, sans-serif;
    background: #ffffff;
    color: var(--text);
    font-size: 14px;
    line-height: 1.5;
}

a {
    color: inherit;
    text-decoration: none;
}

img {
    max-width: 100%;
    display: block;
}

input,
select,
textarea,
button {
    font: inherit;
}

.container {
    width: 1180px;
    max-width: calc(100% - 32px);
    margin: 0 auto;
}

/* Dòng chạy giá */
.price-ticker {
    background: #101010;
    color: #f5f5f5;
    overflow: hidden;
    white-space: nowrap;
    border-bottom: 1px solid rgba(255, 255, 255, .08);
}

.ticker-track {
    display: inline-block;
    padding: 12px 0;
    min-width: 200%;
    animation: marquee 32s linear infinite;
}

.ticker-track span {
    display: inline-block;
    margin-right: 46px;
    font-weight: 700;
    color: var(--gold);
}

@keyframes marquee {
    from { transform: translateX(0); }
    to { transform: translateX(-50%); }
}

/* Header */
.top-header {
    background: var(--primary);
    color: #fff;
}

.main-menu {
    min-height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
}

.main-menu a {
    font-weight: 800;
    font-size: 14px;
    padding: 15px 18px;
    transition: .2s ease;
}

.main-menu a:hover,
.main-menu a.active {
    background: var(--primary-dark);
}

.main-menu a::after {
    content: "⌄";
    margin-left: 8px;
    font-size: 10px;
}

/* Brand */
.brand-section {
    background: #fff;
    border-bottom: 1px solid #eeeeee;
}

.brand-wrap {
    min-height: 104px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 22px;
}

.logo img {
    width: 210px;
    transition: transform .2s ease;
}

.logo:hover img {
    transform: scale(1.03);
}

.search-area {
    position: relative;
    width: 390px;
    z-index: 10;
}

.search-box {
    height: 46px;
    border: 1px solid var(--border);
    border-radius: 30px;
    display: flex;
    overflow: hidden;
    background: #fff;
    box-shadow: 0 6px 18px rgba(0,0,0,.04);
}

.search-box input {
    flex: 1;
    border: 0;
    outline: 0;
    padding: 0 18px;
    color: #555;
}

.search-box button {
    width: 52px;
    border: 0;
    color: var(--primary);
    background: transparent;
    font-size: 24px;
    cursor: pointer;
}

.suggest-box {
    display: none;
    position: absolute;
    top: 55px;
    left: 0;
    right: 0;
    background: #fff;
    border: 1px solid #eee;
    border-radius: 14px;
    padding: 12px;
    box-shadow: 0 14px 30px rgba(0,0,0,.14);
}

.search-area:focus-within .suggest-box {
    display: block;
}

.suggest-box strong {
    display: block;
    color: var(--primary);
    margin-bottom: 8px;
}

.suggest-box a {
    display: block;
    padding: 8px;
    border-radius: 8px;
    color: #333;
}

.suggest-box a:hover {
    background: #fff7f5;
    color: var(--primary);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.hotline {
    border: 2px solid var(--primary);
    border-radius: 28px;
    padding: 8px 18px;
    text-align: center;
    color: var(--primary);
    line-height: 1.2;
}

.hotline span,
.hotline strong {
    display: block;
}

.circle-btn {
    width: 45px;
    height: 45px;
    background: var(--primary);
    color: #fff;
    border-radius: 50%;
    display: grid;
    place-items: center;
    font-size: 18px;
    transition: .2s ease;
}

.circle-btn:hover {
    transform: translateY(-3px);
    background: var(--primary-dark);
}

/* Hero */
.hero {
    background: linear-gradient(120deg, #171717 0%, #282828 48%, #c74f3d 100%);
    color: #fff;
    padding: 58px 0;
    overflow: hidden;
}

.hero-wrap {
    display: grid;
    grid-template-columns: 1.1fr .9fr;
    gap: 40px;
    align-items: center;
}

.hero h1 {
    font-size: 44px;
    line-height: 1.12;
    margin-bottom: 16px;
}

.hero p {
    color: #efefef;
    font-size: 17px;
    max-width: 560px;
    margin-bottom: 24px;
}

.hero-actions {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
}

.hero-btn {
    padding: 13px 24px;
    border-radius: 30px;
    font-weight: 800;
    background: #fff;
    color: var(--primary);
}

.hero-btn.outline {
    background: transparent;
    color: #fff;
    border: 2px solid #fff;
}

.hero-shoe {
    animation: floatShoe 3.4s ease-in-out infinite;
}

@keyframes floatShoe {
    0%, 100% { transform: translateY(0) rotate(-4deg); }
    50% { transform: translateY(-16px) rotate(2deg); }
}

/* Layout */
.page-layout {
    display: grid;
    grid-template-columns: 270px 1fr;
    gap: 28px;
    padding: 34px 0 12px;
}

.sidebar {
    padding-top: 66px;
}

.filter-box {
    border: 1px solid var(--border);
    padding: 15px 15px 17px;
    margin-bottom: 24px;
    background: #fff;
    box-shadow: 0 6px 18px rgba(0,0,0,.03);
}

.filter-box h3 {
    font-size: 15px;
    margin-bottom: 12px;
    color: #111;
}

.category-list {
    list-style: none;
}

.category-list li {
    border-bottom: 1px solid #f1f1f1;
}

.category-list li:last-child {
    border-bottom: 0;
}

.category-list a {
    display: flex;
    justify-content: space-between;
    padding: 9px 0;
}

.category-list a:hover {
    color: var(--primary);
}

.check-link {
    display: flex;
    align-items: center;
    gap: 10px;
    margin: 10px 0;
    color: #222;
}

.check-link span {
    width: 15px;
    height: 15px;
    border: 1px solid #cfcfcf;
    border-radius: 3px;
    display: inline-block;
    background: #fff;
}

.check-link:hover {
    color: var(--primary);
}

.check-link:hover span,
.check-link.active span {
    border-color: var(--primary);
    background: var(--primary);
    box-shadow: inset 0 0 0 3px #fff;
}

.scroll-filter {
    max-height: 235px;
    overflow-y: auto;
}

.scroll-filter::-webkit-scrollbar {
    width: 5px;
}

.scroll-filter::-webkit-scrollbar-thumb {
    background: #999;
    border-radius: 5px;
}

.size-link-list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.size-link-list a {
    min-width: 44px;
    padding: 7px 8px;
    border: 1px solid #e2e2e2;
    text-align: center;
    border-radius: 5px;
    background: #fff;
}

.size-link-list a:hover,
.size-link-list a.active {
    color: #fff;
    background: var(--primary);
    border-color: var(--primary);
}

.breadcrumb {
    font-size: 13px;
    text-align: center;
    margin-bottom: 10px;
}

.breadcrumb span {
    margin: 0 10px;
}

.breadcrumb strong {
    color: var(--primary);
}

.content h1 {
    color: var(--primary);
    font-size: 25px;
    margin-bottom: 24px;
}

.sort-bar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 18px;
    padding-bottom: 18px;
    border-bottom: 1px solid #eee;
    margin-bottom: 24px;
}

.sort-link {
    display: inline-flex;
    align-items: center;
    gap: 7px;
}

.sort-link span {
    width: 15px;
    height: 15px;
    border: 1px solid #cfcfcf;
    display: inline-block;
    border-radius: 3px;
}

.sort-link:hover,
.sort-link.active {
    color: var(--primary);
}

.sort-link.active span,
.sort-link:hover span {
    border-color: var(--primary);
    background: #fff7f5;
}

/* Products */
.product-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 21px 15px;
}

.product-card {
    position: relative;
    border: 1px dashed #dddddd;
    background: #fff;
    min-height: 260px;
    overflow: hidden;
    transition: .25s ease;
}

.product-card:hover {
    transform: translateY(-7px);
    box-shadow: 0 15px 28px rgba(0,0,0,.12);
}

.product-card.sale::before {
    content: "SALE";
    position: absolute;
    top: 11px;
    left: -36px;
    z-index: 2;
    width: 122px;
    padding: 6px 0;
    transform: rotate(-35deg);
    text-align: center;
    background: var(--primary);
    color: #fff;
    font-weight: 800;
    font-size: 12px;
}

.product-card.sale::after {
    content: "-30%";
    position: absolute;
    top: 32px;
    left: 23px;
    z-index: 3;
    transform: rotate(-35deg);
    color: #fff;
    font-size: 8px;
    font-weight: 800;
}

.product-card.authentic .product-img::after {
    content: "100%";
    position: absolute;
    top: 18px;
    right: 18px;
    color: #9b6b17;
    font-size: 18px;
    font-weight: 900;
}

.product-img {
    position: relative;
    height: 178px;
    background: #eef1f2;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 14px;
}

.product-img img {
    max-height: 155px;
    object-fit: contain;
    transition: .25s ease;
}

.product-card:hover .product-img img {
    transform: scale(1.06) rotate(-2deg);
}

.product-card h2 {
    font-size: 13px;
    line-height: 1.35;
    min-height: 52px;
    padding: 10px 12px 0;
    color: #111;
}

.price-row {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    gap: 8px;
    padding: 7px 10px 12px;
}

.price {
    color: var(--primary);
    font-weight: 800;
    font-size: 15px;
}

del {
    display: block;
    color: #333;
    font-size: 11px;
    margin-top: 2px;
}

.price-row a {
    background: var(--primary);
    color: #fff;
    font-weight: 800;
    font-size: 12px;
    padding: 7px 10px;
    border-radius: 3px;
    white-space: nowrap;
}

.price-row a:hover {
    background: var(--primary-dark);
}

.empty-note {
    padding: 18px;
    background: #fff7f5;
    border-left: 4px solid var(--primary);
}

/* Detail */
.detail-page {
    padding: 35px 0 50px;
}

.detail-breadcrumb {
    text-align: left;
    margin-bottom: 25px;
}

.product-detail {
    display: grid;
    grid-template-columns: 48% 52%;
    gap: 35px;
    align-items: start;
    margin-bottom: 45px;
}

.detail-image {
    position: relative;
    background: #eef1f2;
    border: 1px solid #e5e5e5;
    padding: 45px;
    min-height: 430px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.detail-image img {
    max-height: 330px;
    object-fit: contain;
}

.detail-sale {
    position: absolute;
    top: 18px;
    left: 18px;
    background: var(--primary);
    color: #fff;
    padding: 8px 16px;
    font-weight: 800;
    border-radius: 3px;
}

.detail-info h1 {
    color: var(--primary);
    font-size: 30px;
    margin-bottom: 12px;
    line-height: 1.3;
}

.detail-code {
    color: #555;
    margin-bottom: 15px;
}

.detail-price {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 20px;
}

.detail-price span {
    color: var(--primary);
    font-size: 30px;
    font-weight: 900;
}

.detail-price del {
    color: #777;
    font-size: 18px;
}

.detail-desc {
    color: #444;
    font-size: 15px;
    margin-bottom: 22px;
}

.detail-size h3 {
    margin-bottom: 12px;
    font-size: 18px;
}

.size-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 22px;
}

.size-buttons button {
    min-width: 54px;
    padding: 9px 10px;
    border: 1px solid #ddd;
    background: #fff;
    cursor: pointer;
    border-radius: 3px;
}

.size-buttons button:hover {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
}

.detail-quantity {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 22px;
}

.detail-quantity input {
    width: 80px;
    padding: 9px;
    border: 1px solid #ddd;
}

.detail-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 18px;
}

.buy-now,
.add-cart {
    display: inline-block;
    padding: 13px 26px;
    font-weight: 800;
    border-radius: 3px;
}

.buy-now {
    background: var(--primary);
    color: #fff;
}

.add-cart {
    background: #111;
    color: #fff;
}

.buy-now:hover {
    background: var(--primary-dark);
}

.add-cart:hover {
    background: #333;
}

.detail-hotline {
    background: #fff7f5;
    border-left: 4px solid var(--primary);
    padding: 13px 16px;
    color: #333;
}

.detail-tabs {
    border: 1px solid #e5e5e5;
    padding: 25px;
    background: #fff;
}

.detail-tabs h2 {
    color: var(--primary);
    margin-bottom: 18px;
    font-size: 24px;
}

.detail-tabs table {
    width: 100%;
    border-collapse: collapse;
}

.detail-tabs th,
.detail-tabs td {
    border: 1px solid #e5e5e5;
    padding: 13px;
    text-align: left;
}

.detail-tabs th {
    width: 180px;
    background: #f7f7f7;
}

/* Contact */
.contact-section {
    background: #0d0d0d;
    color: #fff;
    padding: 70px 0;
}

.contact-wrap {
    display: grid;
    grid-template-columns: 1.1fr 1fr;
    gap: 60px;
    align-items: start;
}

.small-title {
    color: var(--gold);
    font-size: 12px;
    letter-spacing: 3px;
    margin-bottom: 16px;
}

.contact-info h2 {
    font-size: 46px;
    font-family: Georgia, "Times New Roman", serif;
    font-weight: 500;
    margin-bottom: 36px;
}

.contact-item {
    display: flex;
    gap: 18px;
    margin-bottom: 22px;
}

.icon-box {
    width: 48px;
    height: 48px;
    border: 1px solid rgba(215,188,105,.35);
    display: grid;
    place-items: center;
    color: var(--gold);
    font-size: 18px;
    flex-shrink: 0;
}

.contact-item h3 {
    color: var(--gold);
    text-transform: uppercase;
    font-size: 15px;
    margin-bottom: 4px;
}

.contact-item p {
    color: #d0d0d0;
    font-size: 15px;
}

.contact-form {
    background: rgba(255,255,255,.06);
    border: 1px solid rgba(215,188,105,.2);
    padding: 32px;
}

.contact-form h3 {
    color: var(--gold);
    font-size: 18px;
    margin-bottom: 24px;
    font-family: Georgia, "Times New Roman", serif;
    font-weight: 500;
}

.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 18px;
}

.contact-form label {
    display: block;
    font-size: 13px;
    margin-bottom: 8px;
    color: var(--gold);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
    width: 100%;
    margin-bottom: 18px;
    padding: 14px 16px;
    border: 1px solid rgba(215,188,105,.15);
    background: rgba(255,255,255,.04);
    color: #fff;
    outline: none;
}

.contact-form option {
    color: #111;
}

.contact-form textarea {
    resize: vertical;
    min-height: 140px;
}

.contact-form button {
    width: 100%;
    background: var(--gold);
    color: #111;
    border: 0;
    padding: 16px 20px;
    font-weight: 800;
    letter-spacing: 2px;
    cursor: pointer;
}

/* Footer */
.site-footer {
    background: #141414;
    color: #fff;
    margin-top: 45px;
}

.service-row {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 26px;
    padding: 36px 0;
}

.service-item {
    display: flex;
    gap: 14px;
    align-items: flex-start;
}

.service-item span {
    font-size: 34px;
    line-height: 1;
}

.service-item h3 {
    font-size: 21px;
    margin-bottom: 4px;
}

.service-item p {
    color: #d7d7d7;
}

.footer-main {
    background: #1c1c1c;
    padding: 42px 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr 1fr 1fr;
    gap: 28px;
}

.footer-grid h3 {
    margin-bottom: 16px;
    font-size: 18px;
}

.footer-grid p,
.footer-grid li,
.footer-grid a {
    color: #d5d5d5;
    line-height: 1.9;
}

.footer-grid ul {
    list-style: none;
}

.footer-bottom {
    background: #101010;
    text-align: center;
    padding: 16px 0;
    color: #cfcfcf;
}

/* Responsive */
@media (max-width: 1180px) {
    .product-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .service-row,
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 980px) {
    .brand-wrap {
        padding: 20px 0;
        min-height: auto;
        flex-wrap: wrap;
        justify-content: center;
    }

    .page-layout,
    .product-detail,
    .contact-wrap,
    .hero-wrap {
        grid-template-columns: 1fr;
    }

    .sidebar {
        padding-top: 0;
    }

    .search-area {
        width: 100%;
    }

    .hero h1 {
        font-size: 34px;
    }
}

@media (max-width: 760px) {
    .product-grid,
    .service-row,
    .footer-grid,
    .form-grid {
        grid-template-columns: 1fr;
    }

    .header-actions {
        flex-wrap: wrap;
        justify-content: center;
    }

    .contact-info h2 {
        font-size: 34px;
    }

    .detail-info h1 {
        font-size: 24px;
    }
}

@media (max-width: 520px) {
    .logo img {
        width: 170px;
    }

    .content h1 {
        font-size: 20px;
    }

    .detail-image {
        min-height: 280px;
        padding: 25px;
    }

    .detail-actions a {
        width: 100%;
        text-align: center;
    }

    .detail-tabs th,
    .detail-tabs td {
        display: block;
        width: 100%;
    }
}


/* Trang Lab thực hành */
.lab-section {
    padding: 55px 0 70px;
    background: linear-gradient(180deg, #ffffff, #f8fafc);
}

.page-title {
    text-align: center;
    color: #1e3a8a;
    font-size: 36px;
    margin-bottom: 34px;
}

.lab-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.lab-card {
    background: #fff;
    border: 1px solid #e5e7eb;
    border-radius: 18px;
    padding: 26px;
    min-height: 250px;
    display: flex;
    flex-direction: column;
    box-shadow: 0 14px 28px rgba(15, 23, 42, .07);
    transition: .25s ease;
}

.lab-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 22px 42px rgba(15, 23, 42, .14);
}

.lab-card h2 {
    font-size: 24px;
    color: #111827;
    margin-bottom: 18px;
}

.lab-card ul {
    list-style: none;
    color: #475569;
    line-height: 1.9;
    margin-bottom: 22px;
}

.lab-open {
    margin-top: auto;
    display: block;
    background: #4f8f5f;
    color: #fff;
    text-align: center;
    padding: 12px 18px;
    border-radius: 8px;
    font-weight: 900;
}

.lab-open:hover {
    background: #3f7d50;
}

@media(max-width:1180px) {
    .lab-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media(max-width:980px) {
    .lab-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media(max-width:760px) {
    .lab-grid {
        grid-template-columns: 1fr;
    }
}


/* Bản rút gọn: chi tiết sản phẩm gộp trong index */
.card-desc {
    color: #64748b;
    font-size: 12px;
    min-height: 48px;
    padding: 0 12px 8px;
}

.index-detail-section {
    margin-top: 34px;
}

.index-detail-section h2 {
    color: #1e3a8a;
    margin-bottom: 18px;
    font-size: 26px;
}

.mini-detail {
    display: grid;
    grid-template-columns: 180px 1fr;
    gap: 18px;
    align-items: center;
    padding: 18px;
    margin-bottom: 14px;
    border: 1px solid #e5e7eb;
    border-radius: 16px;
    background: linear-gradient(135deg, #ffffff, #eff6ff);
    box-shadow: 0 10px 24px rgba(15, 23, 42, .05);
}

.mini-detail-img {
    background: #eef5ff;
    border-radius: 14px;
    padding: 12px;
}

.mini-detail h3 {
    color: #1e3a8a;
    margin-bottom: 8px;
}

.mini-detail p {
    margin-bottom: 6px;
    color: #334155;
}

@media(max-width:760px) {
    .mini-detail {
        grid-template-columns: 1fr;
    }
}


/* Chạy ảnh giày lên xuống ở sidebar */
.shoe-runner-box {
    overflow: hidden;
}

.shoe-runner {
    height: 340px;
    overflow: hidden;
    border-radius: 16px;
    background: linear-gradient(180deg, #eff6ff, #ffffff);
    border: 1px solid #dbeafe;
    position: relative;
}

.shoe-runner::before,
.shoe-runner::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    height: 55px;
    z-index: 2;
    pointer-events: none;
}

.shoe-runner::before {
    top: 0;
    background: linear-gradient(180deg, #eff6ff, transparent);
}

.shoe-runner::after {
    bottom: 0;
    background: linear-gradient(0deg, #ffffff, transparent);
}

.shoe-runner-track {
    display: flex;
    flex-direction: column;
    gap: 14px;
    padding: 14px;
    animation: shoeRunUp 13s linear infinite alternate;
}

.shoe-runner:hover .shoe-runner-track {
    animation-play-state: paused;
}

.shoe-runner-track img {
    width: 100%;
    height: 118px;
    object-fit: contain;
    background: #ffffff;
    border-radius: 14px;
    border: 1px solid #e5e7eb;
    box-shadow: 0 10px 22px rgba(15, 23, 42, .08);
}

@keyframes shoeRunUp {
    0% {
        transform: translateY(0);
    }
    100% {
        transform: translateY(-390px);
    }
}

.quick-detail-box {
    background: linear-gradient(135deg, #ffffff, #fff7ed);
}

.quick-detail-item {
    display: grid;
    grid-template-columns: 72px 1fr;
    gap: 10px;
    align-items: center;
    padding: 10px 0;
    border-bottom: 1px solid #e5e7eb;
}

.quick-detail-item:last-child {
    border-bottom: 0;
}

.quick-detail-item img {
    width: 72px;
    height: 52px;
    object-fit: contain;
    background: #eff6ff;
    border-radius: 10px;
}

.quick-detail-item strong {
    display: block;
    color: #1e3a8a;
    font-size: 13px;
}

.quick-detail-item span {
    color: #f97316;
    font-weight: 900;
    font-size: 13px;
}

/* Form đăng nhập / đăng ký */
.auth-section {
    padding: 55px 0 70px;
    background: linear-gradient(180deg, #ffffff, #f8fafc);
}

.page-title {
    text-align: center;
    color: #1e3a8a;
    font-size: 36px;
    margin-bottom: 34px;
}

.auth-card {
    max-width: 1120px;
    margin: 0 auto;
    background: #fff;
    border: 1px solid #e5e7eb;
    border-radius: 24px;
    padding: 34px;
    box-shadow: 0 22px 45px rgba(15, 23, 42, .10);
}

.auth-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 28px;
}

.auth-panel h2 {
    font-size: 24px;
    margin-bottom: 12px;
    color: #111827;
}

.auth-panel p {
    font-size: 15px;
    color: #475569;
    margin-bottom: 24px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 18px;
}

.form-group {
    margin-bottom: 18px;
}

.form-group label {
    display: block;
    font-weight: 800;
    margin-bottom: 8px;
    color: #334155;
}

.form-group input {
    width: 100%;
    height: 52px;
    border: 1px solid #dbe3ea;
    border-radius: 14px;
    padding: 0 16px;
    outline: 0;
    background: #fff;
    transition: .2s ease;
}

.form-group input:focus {
    border-color: #1e3a8a;
    box-shadow: 0 0 0 4px rgba(30, 58, 138, .13);
}

.action-row {
    display: flex;
    align-items: center;
    gap: 18px;
    flex-wrap: wrap;
    margin-top: 12px;
}

.primary-btn {
    border: 0;
    background: linear-gradient(90deg, #1e3a8a, #2563eb);
    color: #fff;
    border-radius: 999px;
    padding: 14px 30px;
    font-weight: 900;
    cursor: pointer;
    box-shadow: 0 13px 24px rgba(30, 58, 138, .2);
    display: inline-block;
}

.primary-btn:hover {
    transform: translateY(-3px);
}

.text-link {
    color: #334155;
    text-decoration: underline;
    font-weight: 700;
}

.auth-note {
    background: #eff6ff;
    border: 1px solid #bfdbfe;
    border-radius: 18px;
    padding: 24px;
    height: 100%;
}

.auth-note h3 {
    color: #1e3a8a;
    font-size: 22px;
    margin-bottom: 12px;
}

.auth-note ul {
    padding-left: 18px;
    color: #475569;
    line-height: 2;
}

@media(max-width: 980px) {
    .auth-grid {
        grid-template-columns: 1fr;
    }
}


/* Sửa icon tài khoản: bấm icon để mở form đăng nhập, không hiện chữ bên dưới */
.account-dropdown {
    display: none !important;
}

.header-actions > a.circle-btn {
    text-decoration: none;
}