@font-face {
    font-family: 'UVNAnhHai';
    src: url('/assets/fonts/UVNAnhHai.woff2') format('woff2'),
         url('/assets/fonts/UVNAnhHai.TTF') format('truetype');
    font-display: swap;
}

:root {
    --bg: #140f12;
    --surface: #21191b;
    --surface-2: #2c2225;
    --line: #4a3632;
    --text: #f5ead7;
    --muted: #c8b99b;
    --gold: #d5a84f;
    --red: #b63232;
    --ok: #2e8b57;
    --radius-sm: 6px;
    --radius: 8px;
    --radius-lg: 10px;
    --shadow-sm: 0 6px 18px rgba(0,0,0,.18);
    --shadow: 0 14px 34px rgba(0,0,0,.28);
    --shadow-lg: 0 22px 55px rgba(0,0,0,.4);
    --shadow-gold: 0 0 0 1px rgba(213,168,79,.2), 0 18px 42px rgba(213,168,79,.08);
    --ease: 180ms ease;
    --space-1: .25rem;
    --space-2: .5rem;
    --space-3: .75rem;
    --space-4: 1rem;
    --space-5: 1.5rem;
    --space-6: 2rem;
}

body {
    background: var(--bg);
    color: var(--text);
    font-family: Arial, Tahoma, sans-serif;
}

a { color: var(--gold); }
a:hover { color: #e4bd70; }

*:focus-visible {
    outline: 2px solid var(--gold);
    outline-offset: 3px;
}

.navbar,
.card,
.modal-content,
.list-group-item,
.dropdown-menu {
    background: var(--surface) !important;
    border-color: var(--line) !important;
    color: var(--text) !important;
}

.navbar {
    box-shadow: var(--shadow-sm);
}

.card,
.modal-content,
.dropdown-menu,
.list-group-item {
    border-radius: var(--radius) !important;
}

.card {
    box-shadow: var(--shadow-sm);
    transition: transform var(--ease), box-shadow var(--ease), border-color var(--ease);
}

.card-hover:hover,
.card-hover:focus-within {
    border-color: rgba(213,168,79,.6) !important;
    box-shadow: var(--shadow-gold);
    transform: translateY(-3px);
}

.dropdown-menu {
    box-shadow: var(--shadow);
}

.border,
.border-top,
.border-bottom,
.border-end,
.table > :not(caption) > * > * {
    border-color: var(--line) !important;
}

.btn-primary {
    background: var(--gold);
    border-color: var(--gold);
    color: #1a1110;
}

.btn {
    border-radius: var(--radius-sm);
    transition: transform var(--ease), box-shadow var(--ease), background-color var(--ease), border-color var(--ease), color var(--ease);
}

.btn:hover,
.btn:focus {
    transform: translateY(-1px);
}

.btn-primary:hover,
.btn-primary:focus {
    background: #c2964a;
    border-color: #c2964a;
    color: #1a1110;
}

.btn-outline-light {
    border-color: var(--line);
    color: var(--text);
}

.btn-outline-light:hover {
    background: var(--surface-2);
    border-color: var(--gold);
    color: var(--text);
}

.form-control,
.form-select,
.form-check-input {
    background-color: #120d0f;
    border-color: var(--line);
    color: var(--text);
    border-radius: var(--radius-sm);
    transition: border-color var(--ease), box-shadow var(--ease), background-color var(--ease);
}

.form-control:focus,
.form-select:focus {
    border-color: var(--gold);
    box-shadow: 0 0 0 .2rem rgba(213,168,79,.25);
    background: #120d0f;
    color: var(--text);
}

.form-control::placeholder { color: rgba(245,234,215,.55); }
.form-label,
.text-secondary { color: var(--muted) !important; }

.table {
    --bs-table-bg: transparent;
    --bs-table-color: var(--text);
    --bs-table-hover-bg: rgba(213,168,79,.08);
    --bs-table-hover-color: var(--text);
    color: var(--text);
}

.alert-success {
    --bs-alert-bg: rgba(46,139,87,.16);
    --bs-alert-border-color: var(--ok);
    --bs-alert-color: var(--text);
}

.alert-danger {
    --bs-alert-bg: rgba(182,50,50,.16);
    --bs-alert-border-color: var(--red);
    --bs-alert-color: var(--text);
}

h1,
h2,
h3,
.navbar-brand {
    font-family: 'UVNAnhHai', serif;
    color: var(--gold);
}

.nav-link {
    color: rgba(245,234,215,.86);
}

.dropdown-item {
    color: var(--text);
}

.dropdown-item:hover,
.dropdown-item:focus {
    background: var(--surface-2);
    color: var(--text);
}

.dropdown-item.active,
.dropdown-item:active {
    background: rgba(213,168,79,.18);
    color: var(--gold);
}

.nav-link:hover,
.nav-link:focus,
.nav-link.active,
.nav-pills .nav-link.active {
    color: var(--text);
    background: var(--surface-2);
}

.nav-link.active {
    color: var(--gold);
}

.brand-logo {
    width: 1.75rem;
    height: 1.75rem;
    object-fit: contain;
    flex: 0 0 auto;
}

.nav-img-icon {
    width: 1.35rem;
    height: 1.35rem;
    object-fit: contain;
    display: block;
}

.nav-icon-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 2.25rem;
}

.text-gold { color: var(--gold); }
.hero-section {
    position: relative;
    overflow: hidden;
    background:
        linear-gradient(135deg, rgba(44,34,37,.95), rgba(20,15,18,.98) 54%, rgba(27,18,20,.96));
}

.hero-section::after {
    content: "";
    position: absolute;
    inset: 0;
    pointer-events: none;
    background:
        linear-gradient(90deg, rgba(213,168,79,.05) 1px, transparent 1px),
        linear-gradient(0deg, rgba(213,168,79,.035) 1px, transparent 1px);
    background-size: 56px 56px;
    mask-image: linear-gradient(90deg, rgba(0,0,0,.35), transparent 70%);
}

.hero-section > .container {
    position: relative;
    z-index: 1;
}

.hero-img { aspect-ratio: 16 / 9; object-fit: cover; }
.news-img { aspect-ratio: 16 / 9; object-fit: cover; }
.article-content img { max-width: 100%; height: auto; border-radius: .5rem; }
.admin-sidebar { background: #191315; }

.admin-body {
    --bg: #eef2ef;
    --surface: #ffffff;
    --surface-2: #f7eee7;
    --line: #ead7ca;
    --text: #302621;
    --muted: #86736a;
    --gold: #ef8f22;
    --red: #ec4b32;
    --teal: #2fc4bd;
    --ok: #23924f;
    --shadow-sm: 0 8px 24px rgba(93,54,36,.08);
    --shadow: 0 16px 38px rgba(93,54,36,.12);
    --shadow-lg: 0 22px 60px rgba(93,54,36,.16);
    --shadow-gold: 0 0 0 1px rgba(236,75,50,.18), 0 18px 42px rgba(236,75,50,.1);
    background:
        radial-gradient(circle at 10% 0%, rgba(236,75,50,.08), transparent 30rem),
        radial-gradient(circle at 90% 5%, rgba(47,196,189,.1), transparent 34rem),
        linear-gradient(180deg, #fbfdfb 0%, #eef2ef 100%);
    color: var(--text);
}

.admin-body .admin-main {
    min-height: 100vh;
    background:
        linear-gradient(90deg, rgba(236,75,50,.025) 1px, transparent 1px),
        linear-gradient(0deg, rgba(47,196,189,.026) 1px, transparent 1px);
    background-size: 48px 48px;
}

.admin-body .admin-sidebar {
    position: sticky;
    top: 0;
    min-height: 100vh;
    background:
        radial-gradient(circle at 22% 0%, rgba(46,196,182,.28), transparent 16rem),
        linear-gradient(180deg, #1a7d78 0%, #12665f 100%);
    border-color: rgba(46,196,182,.42) !important;
    box-shadow: 14px 0 40px rgba(18,102,95,.22);
    backdrop-filter: blur(10px);
}

.admin-body .admin-sidebar .navbar-brand {
    color: #ffffff;
    padding: .6rem .75rem;
    border-radius: var(--radius);
    background: rgba(255,255,255,.14);
    box-shadow: inset 0 0 0 1px rgba(255,255,255,.26);
}

.admin-body .admin-sidebar .navbar-brand .ph,
.admin-body .admin-sidebar .nav-link .ph {
    color: #e8fffc;
}

.admin-body .admin-sidebar .nav-link {
    color: rgba(255,255,255,.92);
    border-radius: var(--radius-sm);
    padding: .58rem .7rem;
    border-left: 3px solid transparent;
    transition: background-color var(--ease), color var(--ease), border-color var(--ease), box-shadow var(--ease);
}

.admin-body .admin-sidebar .nav-link:hover,
.admin-body .admin-sidebar .nav-link:focus {
    color: #ffffff;
    background: rgba(46,196,182,.26);
    border-left-color: #2ec4b6;
}

.admin-body .admin-sidebar .nav-link:hover .ph,
.admin-body .admin-sidebar .nav-link:focus .ph {
    color: #ffffff;
}

.admin-body .admin-sidebar .nav-link.active,
.admin-body .admin-sidebar .nav-pills .nav-link.active {
    color: #12665f;
    background: rgba(255,255,255,.92);
    border-left-color: #2fc4bd;
    box-shadow: 0 8px 22px rgba(8,52,48,.18);
}

.admin-body .admin-sidebar .nav-link.active .ph,
.admin-body .admin-sidebar .nav-pills .nav-link.active .ph {
    color: #17847e;
}

.admin-body .admin-nav-title {
    color: rgba(255,255,255,.78);
    opacity: 1;
}

.admin-body h1,
.admin-body h2,
.admin-body h3 {
    color: #d8402b;
    text-shadow: 0 1px 0 rgba(255,255,255,.8);
}

.admin-body a {
    color: #d8402b;
}

.admin-body a:hover,
.admin-body a:focus {
    color: #ef8f22;
}

.admin-body .card,
.admin-body .modal-content,
.admin-body .dropdown-menu,
.admin-body .list-group-item {
    background: rgba(255,255,255,.96) !important;
    border: 1px solid rgba(234,215,202,.88) !important;
    color: var(--text) !important;
    box-shadow: var(--shadow-sm);
}

.admin-body .card {
    backdrop-filter: blur(8px);
}

.admin-body .modal {
    --bs-modal-border-radius: var(--radius-lg);
    --bs-modal-header-padding: 1rem 1.25rem;
    --bs-modal-padding: 1.25rem;
}

.admin-body .modal-backdrop.show {
    opacity: .38;
    background:
        radial-gradient(circle at center, rgba(236,75,50,.18), rgba(48,38,33,.74));
}

.admin-body .modal-content {
    overflow: hidden;
    box-shadow: 0 28px 70px rgba(93,54,36,.18);
}

.admin-body .card-header,
.admin-body .modal-header,
.admin-body .modal-footer {
    border-color: rgba(234,215,202,.9) !important;
    color: var(--text);
}

.admin-body .modal-header {
    background: linear-gradient(135deg, #fff7ef, #ffffff);
}

.admin-body .modal-title {
    color: #d8402b;
    font-weight: 800;
}

.admin-body .modal-body {
    background: rgba(255,255,255,.96);
}

.admin-body .modal-footer {
    background: #fbf7f3;
}

.admin-body .accordion {
    --bs-accordion-bg: #ffffff;
    --bs-accordion-color: var(--text);
    --bs-accordion-border-color: #ead7ca;
    --bs-accordion-border-radius: var(--radius);
    --bs-accordion-inner-border-radius: var(--radius);
    --bs-accordion-btn-color: #4f3d35;
    --bs-accordion-btn-bg: #ffffff;
    --bs-accordion-active-color: #d8402b;
    --bs-accordion-active-bg: #fff7ef;
    --bs-accordion-btn-focus-border-color: #2fc4bd;
    --bs-accordion-btn-focus-box-shadow: 0 0 0 .2rem rgba(47,196,189,.18);
}

.admin-body .accordion-item {
    background: #ffffff;
    border-color: #ead7ca;
    box-shadow: var(--shadow-sm);
}

.admin-body .accordion-button {
    font-weight: 800;
    box-shadow: none;
}

.admin-body .accordion-button:not(.collapsed) {
    color: #d8402b;
    background:
        linear-gradient(90deg, rgba(236,75,50,.08), rgba(47,196,189,.06));
    box-shadow: inset 0 -1px 0 #ead7ca;
}

.admin-body .accordion-button::after {
    filter: sepia(.35) saturate(1.35) hue-rotate(335deg);
}

.admin-body .accordion-body {
    background: #ffffff;
}

.admin-body .btn-close {
    border-radius: 999px;
    background-color: rgba(236,75,50,.08);
    opacity: 1;
}

.admin-body .btn-close:hover,
.admin-body .btn-close:focus {
    background-color: rgba(236,75,50,.14);
    box-shadow: 0 0 0 .2rem rgba(236,75,50,.16);
}

.admin-body .card-hover:hover,
.admin-body .card-hover:focus-within {
    border-color: rgba(236,75,50,.42) !important;
    box-shadow: var(--shadow-gold);
}

.admin-body .table {
    --bs-table-bg: transparent;
    --bs-table-color: var(--text);
    --bs-table-striped-bg: rgba(47,196,189,.045);
    --bs-table-striped-color: var(--text);
    --bs-table-hover-bg: rgba(236,75,50,.055);
    --bs-table-hover-color: var(--text);
}

.admin-body .table thead th {
    color: #4f3d35;
    background: #f8f2ed;
    border-bottom-color: rgba(234,215,202,.96) !important;
    font-weight: 800;
}

.admin-body .table tbody td {
    border-color: rgba(234,215,202,.72) !important;
}

.admin-body .form-control,
.admin-body .form-select,
.admin-body .form-check-input {
    background-color: #ffffff;
    border-color: #dec9ba;
    color: var(--text);
}

.admin-body .form-control:focus,
.admin-body .form-select:focus {
    background-color: #fff;
    border-color: #2fc4bd;
    box-shadow: 0 0 0 .2rem rgba(47,196,189,.18);
    color: var(--text);
}

.admin-body .form-control::placeholder {
    color: rgba(134,115,106,.72);
}

.admin-body .form-label,
.admin-body .form-text,
.admin-body .text-secondary {
    color: var(--muted) !important;
}

.admin-body .btn-primary {
    background: linear-gradient(135deg, #ec4b32 0%, #ef8f22 100%);
    border-color: #ec4b32;
    color: #fff;
    box-shadow: 0 10px 22px rgba(236,75,50,.16);
}

.admin-body .btn-primary:hover,
.admin-body .btn-primary:focus {
    background: linear-gradient(135deg, #d8402b 0%, #df7b18 100%);
    border-color: #d8402b;
    color: #fff;
}

.admin-body .btn-outline-light {
    border-color: #dec9ba;
    color: #4f3d35;
    background: rgba(255,255,255,.76);
}

.admin-body .btn-outline-light:hover,
.admin-body .btn-outline-light:focus {
    background: #fff7ef;
    border-color: #ec4b32;
    color: #d8402b;
}

.admin-body .btn-outline-primary {
    --bs-btn-color: #d8402b;
    --bs-btn-border-color: #ec4b32;
    --bs-btn-hover-bg: #ec4b32;
    --bs-btn-hover-border-color: #ec4b32;
    --bs-btn-hover-color: #fff;
}

.admin-body .btn-outline-warning {
    --bs-btn-color: #a76514;
    --bs-btn-border-color: #efb55d;
    --bs-btn-hover-bg: #efb55d;
    --bs-btn-hover-border-color: #efb55d;
    --bs-btn-hover-color: #3a1c08;
}

.admin-body .btn-outline-danger {
    --bs-btn-color: #d8402b;
    --bs-btn-border-color: #ec4b32;
    --bs-btn-hover-bg: #ec4b32;
    --bs-btn-hover-border-color: #ec4b32;
    --bs-btn-hover-color: #fff;
}

.admin-body .btn-outline-success {
    --bs-btn-color: #1c8b80;
    --bs-btn-border-color: #2fc4bd;
    --bs-btn-hover-bg: #2fc4bd;
    --bs-btn-hover-border-color: #2fc4bd;
    --bs-btn-hover-color: #fff;
}

.admin-body .text-gold {
    color: #ec5c26 !important;
}

.admin-body .border,
.admin-body .border-top,
.admin-body .border-bottom,
.admin-body .border-end,
.admin-body .table > :not(caption) > * > * {
    border-color: rgba(234,215,202,.9) !important;
}

.admin-body .badge-status-success {
    color: #064c2b;
    background: rgba(24,165,101,.16);
    border-color: rgba(24,165,101,.45);
}

.admin-body .badge-status-warning {
    color: #764000;
    background: rgba(255,178,61,.22);
    border-color: rgba(255,178,61,.55);
}

.admin-body .badge-status-danger {
    color: #8a160d;
    background: rgba(236,75,50,.12);
    border-color: rgba(236,75,50,.38);
}

.admin-body .empty-state {
    background: rgba(255,255,255,.72);
    border-color: rgba(234,215,202,.9);
    color: var(--muted);
}

.admin-news-editor {
    overflow: hidden;
    border: 1px solid #dec9ba;
    border-radius: var(--radius-sm);
    background: #fff;
}

.admin-news-toolbar {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: .25rem;
    min-height: 46px;
    padding: .35rem .5rem;
    background: #f8f2ed;
    border-bottom: 1px solid #ead7ca;
}

.admin-news-toolbar button {
    width: 34px;
    height: 34px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    color: #4f3d35;
    background: transparent;
    border: 1px solid transparent;
    border-radius: 4px;
}

.admin-news-toolbar button:hover,
.admin-news-toolbar button:focus,
.admin-news-toolbar button.is-active {
    color: #d8402b;
    background: #fff;
    border-color: #dec9ba;
    box-shadow: none;
}

.admin-news-toolbar button .ph {
    font-size: 18px;
}

.admin-news-toolbar-select,
.admin-news-toolbar-color {
    height: 34px;
    margin: 0;
    border: 1px solid #dec9ba;
    border-radius: 4px;
    background: #fff;
}

.admin-news-toolbar-select {
    min-width: 108px;
    padding: 0 .45rem;
    color: #4f3d35;
    font-size: 13px;
}

.admin-news-toolbar-size {
    min-width: 88px;
}

.admin-news-toolbar-color {
    display: inline-flex;
    width: 34px;
    overflow: hidden;
    cursor: pointer;
}

.admin-news-toolbar-color input {
    width: 100%;
    height: 100%;
    padding: 3px;
    cursor: pointer;
    border: 0;
    background: transparent;
}

.admin-news-toolbar-select:focus,
.admin-news-toolbar-color:focus-within {
    border-color: #2fc4bd;
    outline: 0;
    box-shadow: 0 0 0 2px rgba(47,196,189,.18);
}

.admin-news-toolbar-divider {
    width: 1px;
    height: 22px;
    margin: 0 .2rem;
    background: #dec9ba;
}

.admin-news-editable,
.admin-news-source {
    min-height: 420px;
    padding: 1rem 1.1rem;
    color: #2a1c12;
    font-size: 16px;
    line-height: 1.65;
    overflow-wrap: anywhere;
}

.admin-news-editable:focus {
    outline: 0;
    box-shadow: inset 0 0 0 2px rgba(47,196,189,.24);
}

.admin-news-editable p {
    margin: 0 0 1rem;
}

.admin-news-editable img,
.admin-news-editable iframe {
    display: block;
    max-width: 100%;
    height: auto;
    margin: 1rem 0;
    border: 0;
}

.admin-news-editable iframe {
    width: 100%;
    aspect-ratio: 16 / 9;
}

.admin-news-source {
    width: 100%;
    margin: 0;
    border: 0;
    border-radius: 0;
    resize: vertical;
    box-shadow: none !important;
    font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
    font-size: 14px;
    line-height: 1.55;
}

.admin-news-upload-status {
    min-height: 20px;
    padding: .35rem .75rem;
    color: #1c8b80;
    font-size: 13px;
}

.admin-news-upload-status.is-error {
    color: #d8402b;
}

.admin-body .alert-success {
    --bs-alert-bg: #e9f9ef;
    --bs-alert-border-color: #18a565;
    --bs-alert-color: #064c2b;
}

.admin-body .alert-danger {
    --bs-alert-bg: #fff0ed;
    --bs-alert-border-color: #ef351f;
    --bs-alert-color: #8a160d;
}

.admin-body .font-monospace {
    color: #7e2618;
}

.admin-body .display-6,
.admin-body .h4 {
    letter-spacing: 0;
}

@media (max-width: 991.98px) {
    .admin-body {
        padding-top: 60px;
        overflow-x: hidden;
    }

    .admin-body.admin-nav-open {
        overflow: hidden;
    }

    .admin-mobile-header {
        position: fixed;
        z-index: 1040;
        top: 0;
        right: 0;
        left: 0;
        display: grid;
        grid-template-columns: 44px minmax(0, 1fr) 44px;
        align-items: center;
        gap: .65rem;
        min-height: 60px;
        padding: 8px 10px;
        padding-top: max(8px, env(safe-area-inset-top));
        color: #ffffff;
        background: linear-gradient(135deg, #12665f 0%, #1a7d78 72%, #218f87 100%);
        border-bottom: 1px solid rgba(255,255,255,.24);
        box-shadow: 0 8px 24px rgba(18,102,95,.2);
    }

    .admin-mobile-menu,
    .admin-mobile-home,
    .admin-sidebar-close {
        display: inline-flex;
        width: 44px;
        height: 44px;
        align-items: center;
        justify-content: center;
        padding: 0;
        color: #ffffff !important;
        background: rgba(255,255,255,.12);
        border: 1px solid rgba(255,255,255,.24);
        border-radius: 6px;
        text-decoration: none;
    }

    .admin-mobile-menu .ph,
    .admin-mobile-home .ph,
    .admin-sidebar-close .ph {
        font-size: 23px;
    }

    .admin-mobile-menu:focus-visible,
    .admin-mobile-home:focus-visible,
    .admin-sidebar-close:focus-visible {
        outline: 3px solid rgba(255,255,255,.72);
        outline-offset: 2px;
    }

    .admin-mobile-heading {
        min-width: 0;
        line-height: 1.15;
    }

    .admin-mobile-heading span,
    .admin-mobile-heading strong {
        display: block;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }

    .admin-mobile-heading span {
        color: rgba(255,255,255,.72);
        font-size: 11px;
        font-weight: 700;
        text-transform: uppercase;
    }

    .admin-mobile-heading strong {
        margin-top: 3px;
        color: #ffffff;
        font-size: 16px;
    }

    .admin-shell {
        padding: 0;
        overflow: hidden;
    }

    .admin-shell > .row {
        margin: 0;
    }

    .admin-body .admin-sidebar {
        position: fixed;
        z-index: 1055;
        top: 0;
        bottom: 0;
        left: 0;
        width: min(86vw, 320px);
        min-height: 100dvh;
        padding: 12px !important;
        overflow-x: hidden;
        overflow-y: auto;
        overscroll-behavior: contain;
        transform: translateX(-102%);
        transition: transform .2s ease;
        box-shadow: 18px 0 44px rgba(8,52,48,.3);
    }

    .admin-body .admin-sidebar.is-open {
        transform: translateX(0);
    }

    .admin-sidebar-backdrop {
        position: fixed;
        z-index: 1050;
        inset: 0;
        display: block;
        width: 100%;
        height: 100%;
        padding: 0;
        visibility: hidden;
        opacity: 0;
        background: rgba(25,19,21,.58);
        border: 0;
        transition: opacity .2s ease, visibility .2s ease;
    }

    .admin-sidebar-backdrop.is-open {
        visibility: visible;
        opacity: 1;
    }

    .admin-sidebar-head {
        position: sticky;
        z-index: 2;
        top: -12px;
        display: flex;
        align-items: center;
        gap: 8px;
        margin: -12px -12px 8px;
        padding: 12px;
        background: #1a7d78;
    }

    .admin-body .admin-sidebar .navbar-brand {
        min-width: 0;
        flex: 1;
        margin: 0;
    }

    .admin-body .admin-sidebar .nav {
        max-height: none;
        padding-right: 0;
        overflow: visible;
    }

    .admin-body .admin-sidebar .nav-link {
        display: flex;
        min-height: 46px;
        align-items: center;
        gap: .55rem;
        padding: .7rem .75rem;
    }

    .admin-body .admin-sidebar .nav-link .ph {
        flex: 0 0 20px;
        font-size: 19px;
    }

    .admin-body .admin-main {
        width: 100%;
        min-height: calc(100dvh - 60px);
        padding: 16px 10px 30px !important;
    }

    .admin-body .admin-main > .container-fluid {
        padding: 0;
    }

    .admin-body .admin-main h1,
    .admin-body .admin-main h2 {
        font-size: 25px;
        line-height: 1.2;
    }

    .admin-body .admin-main h3 {
        font-size: 20px;
    }

    .admin-body .admin-main .card {
        border-radius: 8px;
    }

    .admin-body .admin-main .card-body,
    .admin-body .admin-main .card-header {
        padding: 14px;
    }

    .admin-body .form-control,
    .admin-body .form-select,
    .admin-body .btn {
        min-height: 44px;
    }

    .admin-body .form-control,
    .admin-body .form-select {
        font-size: 16px;
    }

    .admin-body .btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: .35rem;
        touch-action: manipulation;
    }

    .admin-body .admin-main .btn-group {
        display: flex;
        width: 100%;
        overflow-x: auto;
        scrollbar-width: thin;
    }

    .admin-body .admin-main .btn-group > .btn {
        flex: 0 0 auto;
    }

    .admin-body .admin-table-scroll,
    .admin-body .admin-main .table-responsive {
        position: relative;
        width: 100%;
        margin-bottom: 1rem;
        overflow-x: auto;
        overscroll-behavior-x: contain;
        -webkit-overflow-scrolling: touch;
        background: rgba(255,255,255,.94);
        border: 1px solid var(--line);
        border-radius: 8px;
        box-shadow: var(--shadow-sm);
        scrollbar-color: #2fc4bd #edf3f0;
        scrollbar-width: thin;
    }

    .admin-body .admin-table-scroll:focus-visible,
    .admin-body .admin-main .table-responsive:focus-visible {
        outline: 3px solid rgba(47,196,189,.3);
        outline-offset: 2px;
    }

    .admin-body .admin-data-table,
    .admin-body .admin-main .table-responsive > .table {
        width: max-content;
        min-width: 100%;
        margin-bottom: 0;
        white-space: nowrap;
    }

    .admin-body .admin-data-table th,
    .admin-body .admin-data-table td {
        padding: .7rem .75rem;
        vertical-align: middle;
    }

    .admin-body .admin-data-table th:first-child,
    .admin-body .admin-data-table td:first-child {
        position: sticky;
        left: 0;
        z-index: 1;
        background: #ffffff;
        box-shadow: 1px 0 0 var(--line);
    }

    .admin-body .admin-data-table thead th:first-child {
        z-index: 2;
        background: #f8f2ed;
    }

    .admin-body .pagination {
        flex-wrap: wrap;
        gap: 6px;
    }

    .admin-body .page-link {
        display: inline-flex;
        min-width: 44px;
        min-height: 44px;
        align-items: center;
        justify-content: center;
    }

    .admin-body .modal-dialog {
        position: absolute;
        right: 0;
        bottom: 0;
        left: 0;
        width: 100%;
        max-width: none;
        margin: 0;
    }

    .admin-body .modal.fade .modal-dialog {
        transform: translateY(24px);
    }

    .admin-body .modal.show .modal-dialog {
        transform: none;
    }

    .admin-body .modal-content {
        max-height: calc(100dvh - 64px);
        border-radius: 12px 12px 0 0;
    }

    .admin-body .modal-body {
        overflow-y: auto;
        overscroll-behavior: contain;
    }

    .admin-body .modal-footer {
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 8px;
    }

    .admin-body .modal-footer > * {
        width: 100%;
        margin: 0;
    }

    .admin-news-toolbar {
        flex-wrap: nowrap;
        overflow-x: auto;
        overscroll-behavior-x: contain;
    }

    .admin-news-toolbar > * {
        flex: 0 0 auto;
    }

    .admin-news-editable,
    .admin-news-source {
        min-height: 300px;
        padding: .85rem;
    }
}

@media (min-width: 992px) {
    .admin-sidebar-head {
        margin-bottom: 1rem;
    }
}

.admin-nav-title {
    margin: var(--space-4) 0 var(--space-1);
    padding: 0 var(--space-2);
    color: var(--gold);
    font-size: .75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0;
}

.hero-stat {
    background: rgba(33,25,27,.72);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
}

.xu-pill {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: .35rem .7rem;
    border: 1px solid rgba(213,168,79,.45);
    border-radius: 999px;
    color: var(--gold);
    background: rgba(213,168,79,.1);
    font-weight: 700;
}

.account-summary-card .card-body { padding: var(--space-5); }
.account-avatar {
    display: inline-flex;
    flex: 0 0 48px;
    width: 48px;
    height: 48px;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--line);
    border-radius: 50%;
    background: var(--surface-2);
    color: var(--gold);
    font-size: 26px;
}
.account-balance-label {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--muted);
    font-weight: 600;
}
.account-balance-value {
    color: var(--gold);
    font-size: 24px;
    font-weight: 800;
    white-space: nowrap;
}
.account-balance-value::after {
    content: " OCoin";
    color: var(--muted);
    font-size: 12px;
    font-weight: 700;
}

.badge-status {
    display: inline-flex;
    align-items: center;
    gap: .3rem;
    border: 1px solid transparent;
    border-radius: 999px;
    padding: .4rem .65rem;
    font-weight: 700;
}

.badge-status-success {
    color: #dff7e9;
    background: rgba(46,139,87,.2);
    border-color: rgba(46,139,87,.55);
}

.badge-status-warning {
    color: #fff2cc;
    background: rgba(213,168,79,.18);
    border-color: rgba(213,168,79,.55);
}

.badge-status-danger {
    color: #ffe2df;
    background: rgba(182,50,50,.2);
    border-color: rgba(182,50,50,.55);
}

.badge-status-secondary {
    color: var(--text);
    background: rgba(200,185,155,.12);
    border-color: rgba(200,185,155,.35);
}

.badge-new {
    background: var(--red);
    color: #fff;
}

.empty-state {
    border: 1px dashed var(--line);
    border-radius: var(--radius);
    background: rgba(33,25,27,.55);
    color: var(--muted);
}

.footer-link {
    color: var(--muted);
    text-decoration: none;
}

.footer-link:hover,
.footer-link:focus {
    color: var(--gold);
}

.browser-warning-modal .modal-content {
    border: 2px solid rgba(213,168,79,.75) !important;
    box-shadow: var(--shadow-lg);
}

.browser-warning-img {
    border-radius: var(--radius);
    background: #fff;
}

.browser-warning-note {
    border: 1px solid rgba(213,168,79,.45);
    border-radius: var(--radius);
    padding: var(--space-4);
    background: rgba(213,168,79,.1);
    color: var(--text);
}

.ph {
    vertical-align: -0.12em;
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: .01ms !important;
        animation-iteration-count: 1 !important;
        scroll-behavior: auto !important;
        transition-duration: .01ms !important;
    }

    .card-hover:hover,
    .card-hover:focus-within,
    .btn:hover,
    .btn:focus {
        transform: none;
    }
}
/* Lịch sử giao dịch: bộ lọc gọn và bảng dễ quét trên desktop. */
.history-page .history-search {
    padding: 16px;
    border: 1px solid var(--line);
    background: var(--surface);
}
.history-page .history-search .form-label {
    margin-bottom: 6px;
    color: var(--muted);
    font-size: 14px;
}
.history-page .history-search-actions {
    display: flex;
    gap: 8px;
}
.history-page .history-search-actions .btn { flex: 1 1 0; }
.history-page .history-amount {
    color: var(--gold);
    font-weight: 700;
    white-space: nowrap;
}
.history-page .table th { white-space: nowrap; }