/* Landing đơn vị hành chính */
.administrative-landing.layout-wrapper {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.administrative-landing .administrative-landing-main {
    flex: 1 0 auto;
    padding-top: 76px;
    background: linear-gradient(180deg, #f7fbff 0%, #eef6ff 48%, #e9f2ff 100%);
}

.administrative-landing .administrative-landing-nav .custom-container {
    width: min(98vw, 1600px);
    max-width: 1600px;
}

.administrative-landing .administrative-landing-nav:not(.is-sticky) {
    background: rgba(255, 255, 255, 0.98) !important;
    border-bottom: 1px solid rgba(30, 78, 170, 0.08);
    box-shadow: 0 8px 24px rgba(13, 45, 105, 0.06);
}

.administrative-landing .administrative-landing-nav:not(.is-sticky) .nav-link,
.administrative-landing .administrative-landing-nav:not(.is-sticky) .navbar-toggler {
    color: #405189 !important;
}

.administrative-landing .administrative-landing-nav.navbar {
    padding-top: 0 !important;
    padding-bottom: 0 !important;
}

.administrative-landing .administrative-landing-nav {
    min-height: 76px;
}

.administrative-landing .administrative-landing-nav__desktop {
    min-height: 76px;
}

.administrative-landing .administrative-landing-nav__desktop-brand img {
    max-height: 44px;
    width: auto;
}

.administrative-landing .administrative-landing-nav__desktop-links {
    gap: 0.2rem;
}

.administrative-landing .administrative-landing-nav__desktop-links .nav-link {
    color: #1f4fa0 !important;
    font-weight: 700;
    padding: 0.5rem 0.9rem !important;
    border-radius: 999px;
    transition: all 0.2s ease;
}

.administrative-landing .administrative-landing-nav__desktop-links .nav-link:hover {
    color: var(--vz-primary, #405189) !important;
    background: rgba(19, 88, 193, 0.08);
}

.administrative-landing .administrative-landing-nav__desktop-auth .btn-primary {
    background: linear-gradient(135deg, #1e56c7 0%, #3d7ef1 100%);
    border: none;
    box-shadow: 0 8px 18px rgba(30, 86, 199, 0.25);
}

.administrative-landing .administrative-landing-nav__desktop-auth .btn-primary:hover {
    filter: brightness(0.96);
}

.administrative-landing .administrative-landing-nav__desktop-auth .topbar-user {
    position: relative;
}

.administrative-landing .administrative-landing-nav__desktop-auth .topbar-user .dropdown-menu[data-bs-popper] {
    top: 100%;
    right: 0;
    left: auto;
    margin-top: 0.5rem;
}

.administrative-landing .landing-user-toggle {
    border-radius: 999px;
    transition: background-color 0.2s ease, box-shadow 0.2s ease;
}

.administrative-landing .landing-user-toggle:hover,
.administrative-landing .landing-user-toggle:focus {
    background: rgba(19, 88, 193, 0.08);
    box-shadow: 0 0 0 0.2rem rgba(30, 86, 199, 0.12);
}

.administrative-landing .landing-user-menu {
    min-width: 290px;
    border-radius: 14px;
    border: 1px solid rgba(30, 78, 170, 0.12) !important;
    background: linear-gradient(180deg, #ffffff 0%, #f8fbff 100%);
    box-shadow: 0 18px 42px rgba(13, 45, 105, 0.16) !important;
    padding: 0.55rem;
}

.administrative-landing .landing-user-menu .dropdown-divider {
    border-top-color: rgba(30, 78, 170, 0.14);
    margin: 0.45rem 0;
}

.administrative-landing .landing-user-menu__header {
    display: flex;
    align-items: center;
    gap: 0.7rem;
    padding: 0.45rem 0.45rem 0.65rem;
}

.administrative-landing .landing-user-menu__meta {
    min-width: 0;
}

.administrative-landing .landing-user-menu__name {
    font-size: 0.9rem;
    font-weight: 700;
    color: #1a418c;
    line-height: 1.3;
}

.administrative-landing .landing-user-menu__email {
    font-size: 0.78rem;
    color: #7082a6;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 210px;
}

.administrative-landing .landing-user-menu__item {
    display: flex;
    align-items: center;
    border-radius: 10px;
    padding: 0.56rem 0.62rem;
    font-size: 0.88rem;
    color: #345189;
    transition: background-color 0.18s ease, color 0.18s ease;
}

.administrative-landing .landing-user-menu__item:hover,
.administrative-landing .landing-user-menu__item:focus {
    background: rgba(19, 88, 193, 0.1);
    color: #184594;
}

.administrative-landing .landing-user-menu__item.text-danger:hover,
.administrative-landing .landing-user-menu__item.text-danger:focus {
    background: rgba(220, 53, 69, 0.12);
    color: #b42335 !important;
}

.administrative-landing .job-navbar.is-sticky,
.administrative-landing .navbar-landing.is-sticky {
    background-color: #fff !important;
    backdrop-filter: none !important;
    border-bottom: 1px solid rgba(30, 78, 170, 0.08);
    box-shadow: 0 8px 24px rgba(13, 45, 105, 0.06);
}

.administrative-landing .administrative-landing-nav__mobile {
    width: 100%;
    min-height: 72px;
    display: grid;
    grid-template-columns: 40px 1fr 40px;
    align-items: center;
    gap: 0.5rem;
}

.administrative-landing .administrative-landing-nav__mobile .navbar-toggler {
    width: 40px;
    height: 40px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: #405189 !important;
}

.administrative-landing .administrative-landing-nav__logo {
    display: flex;
    justify-content: center;
    margin: 0;
}

.administrative-landing .administrative-landing-nav__logo img {
    max-height: 36px;
    width: auto;
    max-width: 180px;
    object-fit: contain;
}

.administrative-landing .administrative-landing-nav__mobile-auth {
    display: flex;
    justify-content: flex-end;
    align-items: center;
}

.administrative-landing .administrative-landing-nav__mobile-menu {
    background: #fff;
    border-top: 1px solid rgba(15, 23, 42, 0.06);
}

.administrative-landing .administrative-landing-nav__mobile-menu .nav-link {
    color: var(--vz-primary, #405189) !important;
    font-weight: 500;
    padding: 0.6rem 0;
}

@media (min-width: 992px) {
    .administrative-landing .administrative-landing-nav .administrative-landing-nav__mobile,
    .administrative-landing .administrative-landing-nav .administrative-landing-nav__mobile-menu {
        display: none !important;
    }
}

.administrative-landing .landing-back-top {
    position: fixed;
    right: 24px;
    bottom: 24px;
    z-index: 1040;
    border-radius: 50%;
    width: 44px;
    height: 44px;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* —— Hero —— */
.administrative-landing .administrative-hero {
    position: relative;
    overflow: hidden;
    min-height: clamp(260px, 37vw, 560px);
    background: #e9f2ff;
    border-bottom: 1px solid rgba(30, 78, 170, 0.12);
}

.administrative-landing .administrative-hero__bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

/* —— Sections —— */
.administrative-landing .landing-section {
    padding: 4rem 0;
}

.administrative-landing .landing-section--white {
    background-color: #fff;
}

.administrative-landing .landing-section--gray {
    background: linear-gradient(180deg, #f5f9ff 0%, #eef5ff 100%);
}

.administrative-landing .landing-section-head {
    max-width: 640px;
    margin: 0 auto 2.75rem;
}

.administrative-landing .section-shell {
    border: 1px solid rgba(30, 78, 170, 0.1);
    background: linear-gradient(180deg, #ffffff 0%, #f5faff 100%);
    border-radius: 1.2rem;
    padding: clamp(1.25rem, 2.8vw, 2.25rem);
    box-shadow: 0 14px 40px rgba(13, 45, 105, 0.08);
}

.administrative-landing .section-shell--news {
    background: linear-gradient(180deg, #fafdff 0%, #eff6ff 100%);
}

.administrative-landing .section-shell--faq {
    background: linear-gradient(180deg, #ffffff 0%, #f3f9ff 100%);
}

.administrative-landing .landing-section-label {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--vz-primary, #405189);
    margin-bottom: 0.5rem;
}

.administrative-landing .landing-section-title {
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 700;
    margin-bottom: 0.75rem;
    line-height: 1.3;
    color: #163f8e;
}

.administrative-landing .landing-section-desc {
    color: #5f6f92;
    margin-bottom: 0;
    font-size: 0.95rem;
}

/* —— Course cards —— */
.administrative-landing .course-card {
    background: linear-gradient(180deg, #fff 0%, #f7fbff 100%);
    border-radius: 1.1rem;
    overflow: hidden;
    border: 1px solid rgba(30, 78, 170, 0.12);
    box-shadow: 0 10px 28px rgba(13, 45, 105, 0.08);
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.administrative-landing .course-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 20px 46px rgba(13, 45, 105, 0.14);
}

.administrative-landing .course-card__media {
    display: block;
    position: relative;
    aspect-ratio: 16 / 10;
    overflow: hidden;
}

.administrative-landing .course-card__media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.administrative-landing .course-card:hover .course-card__media img {
    transform: scale(1.06);
}

.administrative-landing .course-card__badge {
    position: absolute;
    top: 0.75rem;
    right: 0.75rem;
    padding: 0.25rem 0.65rem;
    font-size: 0.75rem;
    font-weight: 600;
    color: #fff;
    background: rgba(15, 23, 42, 0.65);
    border-radius: 50rem;
    backdrop-filter: blur(4px);
}

.administrative-landing .course-card__body {
    padding: 1.25rem 1.35rem 1.5rem;
}

.administrative-landing .course-card__title {
    font-size: 1.05rem;
    font-weight: 600;
    margin-bottom: 0.35rem;
    line-height: 1.35;
    color: #183f89;
}

.administrative-landing .text-truncate-2 {
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* —— Trang con (khóa học, thi) — header luôn nền trắng — */
.administrative-landing.administrative-inner-page {
    overflow-x: hidden;
    background-color: #f3f6f9;
}

.administrative-landing.administrative-inner-page .administrative-landing-nav .nav-link,
.administrative-landing.administrative-inner-page .administrative-landing-nav .navbar-toggler {
    color: #405189 !important;
}

.administrative-landing.administrative-inner-page .administrative-landing-main {
    padding-top: 76px;
}

/* —— Chi tiết khóa học — */
.px-course-page {
    margin: 0 calc(50% - 50vw);
    width: 100vw;
    max-width: 100vw;
    overflow-x: hidden;
}

.px-course-hero {
    position: relative;
    background-size: cover;
    background-position: center;
    padding: 2rem 0 7rem;
    color: #fff;
}

.px-course-hero__overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(15, 23, 42, 0.35) 0%, rgba(15, 23, 42, 0.55) 100%);
    pointer-events: none;
}

.px-course-hero .container {
    position: relative;
    z-index: 1;
}

.px-course-hero__breadcrumb .breadcrumb-item a {
    color: rgba(255, 255, 255, 0.85);
    text-decoration: none;
}

.px-course-hero__breadcrumb .breadcrumb-item.active {
    color: #fff;
}

.px-course-hero__title {
    font-size: clamp(1.5rem, 3vw, 2.25rem);
    font-weight: 700;
    margin: 1rem 0 0.5rem;
    max-width: 720px;
}

.px-course-hero__topic {
    opacity: 0.9;
    margin-bottom: 1.25rem;
}

.px-course-hero__stats {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem 1.25rem;
}

.px-course-stat {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    font-size: 0.9rem;
    background: rgba(255, 255, 255, 0.12);
    border: 1px solid rgba(255, 255, 255, 0.2);
    padding: 0.35rem 0.85rem;
    border-radius: 2rem;
    backdrop-filter: blur(4px);
}

.px-course-body {
    margin-top: -4.5rem;
    position: relative;
    z-index: 2;
    padding-bottom: 3rem;
}

.px-course-float-card {
    background: #fff;
    border-radius: 1rem;
    box-shadow: 0 16px 48px rgba(15, 23, 42, 0.12);
    overflow: hidden;
    margin-top: -6rem;
}

.px-course-float-card__image-wrap {
    padding: 0 1.25rem;
    margin-top: -3.5rem;
}

.px-course-float-card__image {
    width: 100%;
    aspect-ratio: 16 / 10;
    object-fit: cover;
    box-shadow: 0 8px 24px rgba(15, 23, 42, 0.15);
    display: block;
}

.px-course-float-card__body {
    padding: 1.25rem 1.5rem 1.5rem;
}

.px-panel {
    background: #fff;
    border-radius: 1rem;
    padding: 1.5rem 1.75rem;
    box-shadow: 0 2px 16px rgba(15, 23, 42, 0.06);
    margin-bottom: 1.25rem;
}

.px-panel__title {
    font-size: 1.1rem;
    font-weight: 700;
    color: #405189;
    margin-bottom: 1rem;
}

.px-panel__content {
    line-height: 1.7;
}

.px-chapter-num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 1.75rem;
    height: 1.75rem;
    border-radius: 50%;
    background: rgba(64, 81, 137, 0.12);
    color: #405189;
    font-size: 0.8rem;
    font-weight: 700;
    margin-right: 0.5rem;
}

.px-chapter-accordion .accordion-button {
    border-radius: 0.5rem !important;
    background: #f8f9fc;
}

.px-chapter-accordion .accordion-button:not(.collapsed) {
    background: rgba(64, 81, 137, 0.08);
    color: #405189;
}

.px-material-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.px-material-item {
    padding: 0.65rem 0;
    border-bottom: 1px dashed rgba(15, 23, 42, 0.08);
}

.px-material-item:last-child {
    border-bottom: none;
}

.px-material-preview video,
.px-material-preview iframe {
    display: block;
    width: 100%;
    max-width: 100%;
    background: #000;
}

.px-material-preview img {
    display: block;
    width: 100%;
    max-width: 100%;
    max-height: 420px;
    object-fit: contain;
    background: #fff;
}

.px-material-preview video {
    max-height: 320px;
}

.px-material-preview iframe {
    height: 420px;
    background: #fff;
}

.px-attempt-history__item {
    padding: 0.75rem 0;
    border-bottom: 1px solid rgba(15, 23, 42, 0.06);
}

.px-attempt-history__item:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

/* —— Trang thi (PX) — */
.px-exam-page {
    padding-bottom: 2.5rem;
}

.px-exam-intro {
    padding: 0.5rem 0 0;
}

.px-exam-intro__back {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    color: #405189;
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}

.px-exam-intro__back:hover {
    color: #2d3a63;
}

.px-exam-intro__title {
    font-size: 1.5rem;
    font-weight: 700;
    color: #405189;
    margin: 0 0 0.25rem;
}

.px-exam-intro__sub {
    color: #878a99;
    font-size: 0.95rem;
}

.administrative-inner-page .take-exam-page--px,
.administrative-inner-page .exam-result-page--px {
    overflow-x: hidden;
}

.administrative-inner-page .take-exam-page--px .take-exam-sidebar {
    top: 5.5rem !important;
}

.administrative-inner-page .take-exam-stem,
.administrative-inner-page .take-exam-option-text,
.administrative-inner-page .result-stem img {
    overflow-wrap: anywhere;
    word-break: break-word;
    max-width: 100%;
}

.administrative-inner-page .take-exam-main-card,
.administrative-inner-page .exam-result-page--px .card {
    border-radius: 1rem !important;
}

@media (max-width: 991.98px) {
    .px-course-float-card {
        margin-top: -3rem;
    }

    .px-course-float-card__image-wrap {
        margin-top: -2.5rem;
    }

    .administrative-inner-page .take-exam-page--px .take-exam-sidebar {
        position: static !important;
    }
}

.administrative-landing .course-card__subtitle {
    font-size: 0.875rem;
    color: #68789b;
    margin-bottom: 0.75rem;
    line-height: 1.5;
}

.administrative-landing .course-card__meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem 1rem;
    font-size: 0.8rem;
    color: #adb5bd;
}

.administrative-landing .course-card__meta i {
    color: var(--vz-primary, #405189);
    margin-right: 0.2rem;
}

.administrative-landing .landing-course-swiper .swiper-pagination-bullet {
    width: 8px;
    height: 8px;
    opacity: 0.35;
}

.administrative-landing .landing-course-swiper .swiper-pagination-bullet-active {
    opacity: 1;
    width: 24px;
    border-radius: 4px;
}

/* —— News cards —— */
.administrative-landing .news-card {
    background: linear-gradient(180deg, #fff 0%, #f8fbff 100%);
    border-radius: 1.1rem;
    overflow: hidden;
    border: 1px solid rgba(30, 78, 170, 0.12);
    box-shadow: 0 10px 28px rgba(13, 45, 105, 0.08);
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.administrative-landing .news-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 44px rgba(13, 45, 105, 0.14);
}

.administrative-landing .news-card__media {
    position: relative;
    display: block;
    aspect-ratio: 16 / 9;
    overflow: hidden;
}

.administrative-landing .news-card__media .px-blog-card__category {
    position: absolute;
    top: 12px;
    left: 12px;
    z-index: 2;
    margin: 0;
    pointer-events: none;
}

.administrative-landing .news-card__media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.administrative-landing .news-card:hover .news-card__media img {
    transform: scale(1.05);
}

.administrative-landing .news-card__body {
    padding: 1.25rem 1.35rem 1.5rem;
}

.administrative-landing .news-card__date {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    font-size: 0.8rem;
    color: #878a99;
    margin-bottom: 0.5rem;
}

.administrative-landing .news-card__title {
    font-size: 1.05rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    line-height: 1.4;
    color: #183f89;
}

.administrative-landing .news-card__title a {
    color: inherit;
    text-decoration: none;
}

.administrative-landing .news-card__title a:hover {
    color: var(--vz-primary, #405189);
}

.administrative-landing .news-card__summary {
    font-size: 0.875rem;
    color: #68789b;
    line-height: 1.6;
    margin-bottom: 0.75rem;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.administrative-landing .news-card__link {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--vz-success, #0ab39c);
    text-decoration: none;
}

.administrative-landing .news-card__link:hover {
    text-decoration: underline;
}

/* —— FAQ —— */
.administrative-landing .faq-panel .accordion-button {
    padding: 1.1rem 1.25rem;
    gap: 0.75rem;
    border: 1px solid rgba(30, 78, 170, 0.12);
    background: linear-gradient(180deg, #fff 0%, #f5f9ff 100%);
    color: #183f89;
}

.administrative-landing .faq-index {
    flex-shrink: 0;
    width: 28px;
    height: 28px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--vz-primary, #405189);
    background: rgba(64, 81, 137, 0.1);
    border-radius: 50%;
}

.administrative-landing .faq-panel .accordion-button:not(.collapsed) .faq-index {
    background: var(--vz-primary, #405189);
    color: #fff;
}

/* —— Footer refresh —— */
.administrative-footer {
    margin-top: auto;
    background: linear-gradient(180deg, #eef5ff 0%, #e3efff 100%);
    border-top: 1px solid rgba(30, 78, 170, 0.12);
}

.administrative-footer__top {
    padding: 3.25rem 0 2rem;
}

.administrative-footer__brand {
    display: inline-flex;
    margin-bottom: 1rem;
}

.administrative-footer__brand img {
    height: 44px;
    width: auto;
    max-width: 100%;
    object-fit: contain;
}

.administrative-footer__desc {
    margin: 0;
    color: #4e5f83;
    line-height: 1.7;
    font-size: 0.92rem;
    text-align: justify;
}

.administrative-footer__title {
    margin: 0 0 0.85rem;
    color: #1f4fa0;
    font-size: 0.95rem;
    font-weight: 700;
}

.administrative-footer__links {
    list-style: none;
    margin: 0;
    padding: 0;
}

.administrative-footer__links li + li {
    margin-top: 0.45rem;
}

.administrative-footer__links a {
    color: #4e5f83;
    text-decoration: none;
    transition: color 0.2s ease;
}

.administrative-footer__links a:hover {
    color: #1358c1;
}

.administrative-footer__chips {
    margin-top: 1rem;
    display: flex;
    flex-wrap: wrap;
    gap: 0.45rem;
}

.administrative-footer__chips span {
    display: inline-flex;
    align-items: center;
    padding: 0.3rem 0.65rem;
    font-size: 0.73rem;
    font-weight: 600;
    color: #1f4fa0;
    background: rgba(19, 88, 193, 0.1);
    border: 1px solid rgba(19, 88, 193, 0.18);
    border-radius: 999px;
}

.administrative-footer__bottom {
    border-top: 1px solid rgba(30, 78, 170, 0.1);
    padding: 0.9rem 0;
}

.administrative-footer__bottom p {
    color: #5a6a8c;
    font-size: 0.85rem;
}

.administrative-footer__policies {
    list-style: none;
    padding: 0;
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

.administrative-footer__policies a {
    color: #5a6a8c;
    text-decoration: none;
    font-size: 0.84rem;
}

.administrative-footer__policies a:hover {
    color: #1358c1;
}

.administrative-landing .landing-text-link {
    color: #1d4ea0;
    text-decoration: none;
    font-weight: 600;
}

.administrative-landing .landing-text-link:hover {
    text-decoration: underline;
}

@media (max-width: 767.98px) {
    .administrative-landing .administrative-hero {
        min-height: 220px;
    }

    .administrative-landing .landing-section {
        padding: 3rem 0;
    }

    .administrative-landing .section-shell {
        border-radius: 1rem;
        padding: 1.05rem;
    }
}