/* ==========================================================
   NNServices – Văn Bản & Biểu Mẫu CSS
   Màu theme: --nns-navy #071d61 | --nns-red #e42b31 | --nns-gold #c7a14c
   Prefix: nns-vb-  để tránh xung đột
   ========================================================== */

/* ── Page Wrapper ───────────────────────────────────────── */
.nns-vb-page {
    padding: 40px 0 60px;
    background: #fff;
    font-size: 16px;
}

/* ── Section ─────────────────────────────────────────────── */
.nns-vb-section {
    margin-bottom: 56px;
}

/* ── Section Heading ─────────────────────────────────────── */
.nns-vb-section__heading {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 20px;
    font-weight: 700;
    color: var(--nns-navy, var(--primary-color, #071d61));
    margin: 0 0 24px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--nns-line, #dfe5ef);
    font-family: "Be Vietnam Pro", sans-serif;
}

.nns-vb-section__heading-bar {
    display: inline-block;
    width: 4px;
    height: 22px;
    background: var(--nns-navy, var(--primary-color, #071d61));
    border-radius: 2px;
    flex-shrink: 0;
}

/* ── Section Layout: sidebar + content ───────────────────── */
.nns-vb-section__layout {
    display: grid;
    grid-template-columns: 240px 1fr;
    gap: 36px;
    align-items: start;
}

/* ── Divider giữa 2 section ──────────────────────────────── */
.nns-vb-divider {
    border: none;
    border-top: 6px solid var(--nns-soft, #f5f7fb);
    margin: 0 0 56px;
}

/* ══════════════════════════════════════════════════════════
   SIDEBAR DANH MỤC
══════════════════════════════════════════════════════════ */
.nns-vb-sidebar__list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.nns-vb-sidebar__item {
    border-bottom: 1px solid var(--nns-line, #dfe5ef);
}

.nns-vb-sidebar__item:last-child {
    border-bottom: none;
}

.nns-vb-sidebar__link {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    padding: 10px 4px;
    font-size: 16px;
    font-weight: 700 !important;
    /* In đậm theo yêu cầu */
    color: var(--nns-navy, var(--primary-color, #071d61));
    text-decoration: none;
    line-height: 1.45;
    transition: color .18s ease;
    font-family: "Be Vietnam Pro", sans-serif;
}

.nns-vb-sidebar__link:hover {
    color: var(--nns-red, #e42b31);
}

.nns-vb-sidebar__link:hover .nns-vb-sidebar__arrow {
    color: var(--nns-red, #e42b31);
}

.nns-vb-sidebar__arrow {
    font-size: 11px;
    color: var(--nns-navy, var(--primary-color, #071d61));
    flex-shrink: 0;
    margin-top: 3px;
    transition: color .18s ease;
}

/* Active state */
.nns-vb-sidebar__item.is-active .nns-vb-sidebar__link {
    color: var(--nns-navy, var(--primary-color, #071d61));
    font-weight: 800 !important;
}

.nns-vb-sidebar__item.is-active .nns-vb-sidebar__arrow {
    color: var(--nns-navy, var(--primary-color, #071d61));
}

/* ── Mobile Dropdown Select ──────────────────────────────── */
.nns-vb-sidebar__select-wrap {
    display: none;
}

.nns-vb-sidebar__select {
    display: block !important;
    width: 100% !important;
    height: 48px !important;
    min-height: 48px !important;
    max-height: none !important;
    line-height: normal !important;
    padding: 0 40px 0 16px !important;
    font-size: 16px !important;
    font-weight: 600 !important;
    color: var(--nns-navy, var(--primary-color, #071d61)) !important;
    background-color: #fff !important;
    border: 1.5px solid var(--nns-line, #dfe5ef) !important;
    border-radius: 6px !important;
    font-family: "Be Vietnam Pro", sans-serif !important;
    outline: none !important;
    appearance: none !important;
    -webkit-appearance: none !important;
    -moz-appearance: none !important;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%23071d61' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E") !important;
    background-repeat: no-repeat !important;
    background-position: right 14px center !important;
    cursor: pointer !important;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05) !important;
    transition: border-color .18s ease, box-shadow .18s ease !important;
    box-sizing: border-box !important;
    vertical-align: middle !important;
    text-overflow: ellipsis !important;
    white-space: nowrap !important;
}

.nns-vb-sidebar__select:focus {
    border-color: var(--primary-color, #071d61) !important;
    box-shadow: 0 0 0 3px rgba(7, 29, 97, 0.1) !important;
}

.nns-vb-sidebar__select option {
    font-size: 16px !important;
    padding: 8px 12px !important;
    color: #17213a !important;
    background: #fff !important;
}

/* ══════════════════════════════════════════════════════════
   DANH SÁCH VĂN BẢN (LIST & AJAX)
══════════════════════════════════════════════════════════ */
.nns-vb-list-wrap {
    position: relative;
    min-height: 140px;
}

.nns-vb-list {
    display: flex;
    flex-direction: column;
    gap: 0;
    transition: opacity .2s ease;
}

.nns-vb-list-wrap.is-loading .nns-vb-list {
    opacity: 0.35;
    pointer-events: none;
}

/* Loading Spinner */
.nns-vb-loading-spinner {
    display: none;
    position: absolute;
    top: 50px;
    left: 50%;
    transform: translateX(-50%);
    width: 36px;
    height: 36px;
    border: 3.5px solid rgba(7, 29, 97, 0.12);
    border-top-color: var(--primary-color, #071d61);
    border-radius: 50%;
    animation: nnsVbSpin .7s linear infinite;
    z-index: 10;
}

.nns-vb-list-wrap.is-loading .nns-vb-loading-spinner {
    display: block;
}

@keyframes nnsVbSpin {
    to {
        transform: translateX(-50%) rotate(360deg);
    }
}

/* ── Card Item ────────────────────────────────────────────── */
.nns-vb-item {
    display: grid;
    grid-template-columns: 1fr auto 125px;
    gap: 20px;
    align-items: center;
    padding: 16px 0;
    border-bottom: 1px solid var(--nns-line, #dfe5ef);
    transition: background .15s ease;
}

.nns-vb-item:first-child {
    border-top: 1px solid var(--nns-line, #dfe5ef);
}

.nns-vb-item:hover {
    background: var(--nns-soft, #f5f7fb);
    margin: 0 -10px;
    padding-left: 10px;
    padding-right: 10px;
}

/* ── Tiêu đề ─────────────────────────────────────────────── */
.nns-vb-item__title {
    font-size: 16px;
    /* Kiểu chữ 16px */
    font-weight: 600;
    color: var(--nns-ink, #17213a);
    text-decoration: none;
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    font-family: "Be Vietnam Pro", sans-serif;
    transition: color .18s ease;
}

.nns-vb-item__title:hover {
    color: var(--primary-color);
    text-decoration: underline;
}

/* ── Meta (ngày ban hành, hiệu lực, tình trạng) ─────────── */
.nns-vb-item__meta {
    display: flex;
    flex-direction: column;
    gap: 4px;
    min-width: 195px;
}

.nns-vb-item__meta-row {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 15px;
    color: var(--nns-muted, #66718a);
    font-family: "Be Vietnam Pro", sans-serif;
    line-height: 1.45;
}

.nns-vb-item__meta-label {
    color: var(--nns-muted, #66718a);
    white-space: nowrap;
}

.nns-vb-item__meta-value {
    color: var(--nns-ink, #17213a);
    font-weight: 500;
}

/* ── Badge tình trạng ────────────────────────────────────── */
.nns-vb-status--active {
    color: #1b7e3c !important;
}

.nns-vb-status--expired {
    color: #9e3030 !important;
}

.nns-vb-status--pending {
    color: #b07d00 !important;
}

/* ── Action (nút Tải về) ─────────────────────────────────── */
.nns-vb-item__action {
    display: flex;
    justify-content: flex-end;
}

.nns-vb-btn-download {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 9px 15px;
    background: var(--nns-red, #e42b31);
    color: #fff !important;
    font-size: 14px;
    font-weight: 600;
    border-radius: 4px;
    text-decoration: none;
    white-space: nowrap;
    font-family: "Be Vietnam Pro", sans-serif;
    transition: background .2s ease, transform .15s ease, box-shadow .2s ease;
    box-shadow: 0 2px 8px rgba(228, 43, 49, .25);
}

.nns-vb-btn-download:hover {
    background: #c0242a;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(228, 43, 49, .35);
    color: #fff !important;
}

.nns-vb-btn-download svg {
    flex-shrink: 0;
}

.nns-vb-btn-view {
    display: inline-flex;
    align-items: center;
    padding: 9px 15px;
    background: var(--primary-color);
    color: #fff !important;
    font-size: 14px;
    font-weight: 600;
    border-radius: 4px;
    text-decoration: none;
    white-space: nowrap;
    font-family: "Be Vietnam Pro", sans-serif;
    transition: background .2s ease;
}

.nns-vb-btn-view:hover {
    background: #0a267e;
    color: #fff !important;
}

/* ── Empty state ─────────────────────────────────────────── */
.nns-vb-empty {
    padding: 24px;
    color: var(--nns-muted, #66718a);
    font-size: 16px;
    text-align: center;
    background: var(--nns-soft, #f5f7fb);
    border-radius: 8px;
    font-family: "Be Vietnam Pro", sans-serif;
}

/* ══════════════════════════════════════════════════════════
   PHÂN TRANG
══════════════════════════════════════════════════════════ */
.nns-vb-pagination {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-top: 24px;
    flex-wrap: wrap;
}

.nns-vb-pagination__btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    border-radius: 6px;
    border: 1.5px solid var(--nns-line, #dfe5ef);
    font-size: 15px;
    font-weight: 500;
    color: var(--nns-navy, var(--primary-color, #071d61));
    text-decoration: none;
    font-family: "Be Vietnam Pro", sans-serif;
    transition: all .18s ease;
}

.nns-vb-pagination__btn:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
    background: rgba(7, 29, 97, .05);
}

.nns-vb-pagination__btn.is-active {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: #fff;
    font-weight: 700;
}

/* ══════════════════════════════════════════════════════════
   RESPONSIVE
══════════════════════════════════════════════════════════ */
@media (max-width: 900px) {
    .nns-vb-section__layout {
        grid-template-columns: 210px 1fr;
        gap: 24px;
    }

    .nns-vb-item {
        grid-template-columns: 1fr auto 115px;
        gap: 16px;
    }
}

@media (max-width: 768px) {
    .nns-vb-section__layout {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .nns-vb-sidebar {
        border: none;
        padding: 0;
    }

    /* Ẩn danh sách dọc trên mobile */
    .nns-vb-sidebar__list {
        display: none !important;
    }

    /* Hiện Dropdown Select trên mobile */
    .nns-vb-sidebar__select-wrap {
        display: block !important;
        margin-bottom: 20px;
    }

    .nns-vb-item {
        grid-template-columns: 1fr;
        gap: 10px;
    }

    .nns-vb-item__action {
        justify-content: flex-start;
    }

    .nns-vb-section__heading {
        font-size: 18px;
    }
}

@media (max-width: 480px) {
    .nns-vb-page {
        padding: 24px 0 40px;
    }

    .nns-vb-btn-download,
    .nns-vb-btn-view {
        padding: 8px 14px;
        font-size: 13px;
    }
}

/* ══════════════════════════════════════════════════════════
   TRANG CHI TIẾT VĂN BẢN (SINGLE VAN BAN)
══════════════════════════════════════════════════════════ */
.nns-single-vb-page {
    padding: 24px 0 64px;
    background: #fff;
    font-size: 16px;
    color: var(--nns-ink, #17213a);
    width: 100%;
    box-sizing: border-box;
    overflow-x: clip;
}

/* ── Reset không viết hoa toàn bộ (chỉ viết hoa chữ cái đầu) ── */
.nns-single-vb-page th,
.nns-single-vb-page td,
.nns-single-vb-page button,
.nns-single-vb-page .nns-single-vb-tab-btn,
.nns-single-vb-page .nns-single-vb-info-table th,
.nns-single-vb-page .nns-single-vb-info-table td,
.nns-single-vb-page .nns-single-vb-widget__title,
.nns-single-vb-page .nns-single-vb-toc__title,
.nns-single-vb-page .nns-single-vb-btn-download,
.nns-single-vb-page .nns-single-vb-btn-download-sm {
    text-transform: none !important;
    letter-spacing: normal !important;
}

/* ══════════════════════════════════════════════════════════
   HEADER VĂN BẢN (BREADCRUMB + TIÊU ĐỀ LỚN + DIVIDER)
   (Chuẩn theo phong cách Thuế Quang Huy)
══════════════════════════════════════════════════════════ */
.nns-single-vb-header {
    margin-bottom: 28px;
    width: 100%;
    min-width: 0;
    box-sizing: border-box;
}

.nns-single-vb-breadcrumb {
    font-size: 14px;
    color: #64748b;
    margin-bottom: 12px;
    font-family: "Be Vietnam Pro", sans-serif;
    line-height: 1.5;
    word-break: break-word;
    overflow-wrap: break-word;
}

.nns-single-vb-breadcrumb a {
    color: #64748b;
    text-decoration: none;
    transition: color .18s;
}

.nns-single-vb-breadcrumb a:hover {
    color: var(--nns-navy, var(--primary-color, #071d61));
    text-decoration: underline;
}

.nns-single-vb-breadcrumb .sep {
    margin: 0 6px;
    color: #94a3b8;
}

.nns-single-vb-breadcrumb .current {
    color: #1e293b;
    font-weight: 500;
}

.nns-single-vb-title {
    font-size: clamp(24px, 3.2vw, 34px) !important;
    font-weight: 800 !important;
    color: var(--nns-navy, var(--primary-color, #071d61)) !important;
    line-height: 1.35 !important;
    margin: 0 0 18px !important;
    font-family: "Be Vietnam Pro", sans-serif;
    letter-spacing: -0.015em;
    word-break: break-word;
    overflow-wrap: break-word;
}

.nns-single-vb-divider {
    height: 1px;
    background: #e2e8f0;
    width: 100%;
    margin-bottom: 10px;
}

/* ── Layout 2 cột Desktop: Nội dung + Sidebar ── */
.nns-single-vb-layout {
    display: grid;
    grid-template-columns: 1fr 340px;
    gap: 44px;
    align-items: start;
    width: 100%;
    min-width: 0;
    box-sizing: border-box;
}

.nns-single-vb-main {
    width: 100%;
    min-width: 0;
    max-width: 100%;
    box-sizing: border-box;
}

.nns-single-vb-pane {
    width: 100%;
    min-width: 0;
    max-width: 100%;
    box-sizing: border-box;
}

/* ── Tabs Navigation ── */
.nns-single-vb-tabs-nav {
    display: flex;
    gap: 6px;
    border-bottom: 2px solid var(--nns-line, #dfe5ef);
    margin-bottom: 24px;
    width: 100%;
    box-sizing: border-box;
}

.nns-single-vb-tab-btn {
    padding: 12px 28px;
    font-size: 16px !important;
    font-weight: 600;
    color: var(--nns-muted, #66718a);
    background: none;
    border: none;
    border-bottom: 3px solid transparent;
    margin-bottom: -2px;
    cursor: pointer;
    font-family: "Be Vietnam Pro", sans-serif;
    text-transform: none !important;
    letter-spacing: normal !important;
    transition: color .18s, border-color .18s;
}

.nns-single-vb-tab-btn:hover {
    color: var(--nns-navy, var(--primary-color, #071d61));
}

.nns-single-vb-tab-btn.is-active {
    color: var(--nns-navy, var(--primary-color, #071d61));
    border-bottom-color: var(--nns-gold, #c7a14c);
    font-weight: 700;
}

/* ── Nút Tải văn bản nhanh ── */
.nns-single-vb-download-wrap {
    margin-bottom: 24px;
    width: 100%;
    box-sizing: border-box;
}

.nns-single-vb-btn-download {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 22px;
    font-size: 15.5px !important;
    font-weight: 600;
    color: #2d3748;
    background: #f8fafc;
    border: 1.5px solid #cbd5e1;
    border-radius: 6px;
    text-decoration: none;
    font-family: "Be Vietnam Pro", sans-serif;
    transition: all .2s ease;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
    box-sizing: border-box;
    max-width: 100%;
}

.nns-single-vb-btn-download svg {
    color: var(--nns-navy, var(--primary-color, #071d61));
}

.nns-single-vb-btn-download:hover {
    background: var(--nns-navy, var(--primary-color, #071d61));
    border-color: var(--nns-navy, var(--primary-color, #071d61));
    color: #fff !important;
}

.nns-single-vb-btn-download:hover svg {
    color: #fff !important;
}

.nns-single-vb-btn-download-sm {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    font-size: 15px !important;
    font-weight: 600;
    color: #fff !important;
    background: var(--nns-red, #e42b31);
    border-radius: 5px;
    text-decoration: none;
    transition: background .18s;
}

.nns-single-vb-btn-download-sm:hover {
    background: #c0242a;
    color: #fff !important;
}

/* ══════════════════════════════════════════════════════════
   HỘP MỤC LỤC TỰ ĐỘNG (TOC) "Nội dung chính:"
   (Đúng chuẩn viền cam vàng, phân cấp như Thuế Quang Huy)
══════════════════════════════════════════════════════════ */
.nns-single-vb-toc {
    border: 1.5px solid #d99a26;
    border-radius: 8px;
    padding: 16px 20px;
    margin-bottom: 30px;
    background: #fffdf9;
    box-shadow: 0 2px 8px rgba(217, 154, 38, 0.08);
}

.nns-single-vb-toc__header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nns-single-vb-toc__title {
    font-weight: 700;
    font-size: 17.5px !important;
    color: #966c1b;
    font-family: "Be Vietnam Pro", sans-serif;
}

.nns-single-vb-toc__toggle {
    background: none;
    border: none;
    cursor: pointer;
    color: #966c1b;
    padding: 4px 8px;
    border-radius: 4px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: transform .2s ease, background .15s;
}

.nns-single-vb-toc__toggle:hover {
    background: rgba(217, 154, 38, 0.12);
}

.nns-single-vb-toc__toggle.is-collapsed svg {
    transform: rotate(180deg);
}

.nns-single-vb-toc__body {
    margin-top: 14px;
    max-height: 320px;
    overflow-y: auto;
    padding-right: 8px;
}

.nns-single-vb-toc__body::-webkit-scrollbar {
    width: 6px;
}

.nns-single-vb-toc__body::-webkit-scrollbar-thumb {
    background: rgba(217, 154, 38, 0.4);
    border-radius: 3px;
}

.nns-single-vb-toc__body::-webkit-scrollbar-thumb:hover {
    background: rgba(217, 154, 38, 0.7);
}

.nns-single-vb-toc__list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.nns-single-vb-toc__list li {
    font-size: 15px !important;
    line-height: 1.6;
    margin-bottom: 7px;
    font-family: "Be Vietnam Pro", sans-serif;
}

.nns-single-vb-toc__list li a {
    color: #2d3748;
    text-decoration: none;
    transition: color .18s;
    display: inline;
}

.nns-single-vb-toc__list li a:hover {
    color: #966c1b;
    text-decoration: underline;
}

.nns-single-vb-toc__list li .nns-toc-num {
    font-weight: 700;
    color: #966c1b;
    margin-right: 4px;
}

.nns-single-vb-toc__list li.nns-toc-sub {
    padding-left: 20px;
    font-size: 14.5px !important;
    color: #4a5568;
}

/* ══════════════════════════════════════════════════════════
   THÂN BÀI VIẾT VĂN BẢN (NỘI DUNG CHUẨN THỂ THỨC LUẬT)
══════════════════════════════════════════════════════════ */
.nns-single-vb-body {
    font-size: 16px !important;
    line-height: 1.85 !important;
    color: #1a202c !important;
    font-family: "Be Vietnam Pro", sans-serif;
}

.nns-single-vb-body p,
.nns-single-vb-body li,
.nns-single-vb-body div,
.nns-single-vb-body span {
    font-size: 16px !important;
    line-height: 1.85;
}

.nns-single-vb-body p {
    margin-bottom: 14px;
}

/* Tiêu đề cấp Chương, Phần */
.nns-single-vb-body h1,
.nns-single-vb-body h2 {
    font-size: clamp(20px, 2.8vw, 24px) !important;
    font-weight: 700 !important;
    color: var(--nns-navy, var(--primary-color, #071d61)) !important;
    margin: 32px 0 16px !important;
    line-height: 1.4 !important;
    font-family: "Be Vietnam Pro", sans-serif;
}

/* Tiêu đề cấp Điều, Mục */
.nns-single-vb-body h3 {
    font-size: clamp(18px, 2.4vw, 20px) !important;
    font-weight: 700 !important;
    color: var(--nns-navy, var(--primary-color, #071d61)) !important;
    margin: 24px 0 12px !important;
    line-height: 1.45 !important;
    font-family: "Be Vietnam Pro", sans-serif;
}

.nns-single-vb-body h4 {
    font-size: clamp(16px, 2vw, 18px) !important;
    font-weight: 700 !important;
    color: var(--nns-navy, var(--primary-color, #071d61)) !important;
    margin: 20px 0 10px !important;
    line-height: 1.5 !important;
    font-family: "Be Vietnam Pro", sans-serif;
}

.nns-single-vb-body strong,
.nns-single-vb-body b {
    font-weight: 700;
    color: var(--nns-navy, #071d61);
}

/* Bảng trong văn bản: Tách biệt bảng tiêu ngữ và bảng dữ liệu */
.nns-single-vb-body table {
    width: 100%;
    border-collapse: collapse;
    margin: 18px 0 24px;
    font-size: 16px !important;
}

.nns-single-vb-body table td,
.nns-single-vb-body table th {
    padding: 10px 14px;
    vertical-align: top;
    font-size: 16px !important;
}

/* Bảng có viền mặc định */
.nns-single-vb-body table:not([border="0"]):not(.no-border) td,
.nns-single-vb-body table:not([border="0"]):not(.no-border) th {
    border: 1px solid #dfe5ef;
}

/* Bảng tiêu ngữ hành chính hoặc bảng không viền (border="0") */
.nns-single-vb-body table[border="0"],
.nns-single-vb-body table.no-border {
    border: none !important;
    margin: 14px 0 22px;
}

.nns-single-vb-body table[border="0"] td,
.nns-single-vb-body table[border="0"] th,
.nns-single-vb-body table.no-border td,
.nns-single-vb-body table.no-border th {
    border: none !important;
    padding: 6px 12px;
    background: transparent;
}

/* ── Bảng thông tin văn bản (Tab 2) ── */
.nns-single-vb-info-table {
    width: 100%;
    border-collapse: collapse;
    border: 1px solid var(--nns-line, #dfe5ef);
    border-radius: 8px;
    overflow: hidden;
    margin: 8px 0 24px;
    font-size: 16px !important;
    font-family: "Be Vietnam Pro", sans-serif;
}

.nns-single-vb-info-table th {
    width: 220px;
    padding: 15px 20px;
    background: #f8fafc;
    border-bottom: 1px solid var(--nns-line, #dfe5ef);
    color: var(--nns-navy, var(--primary-color, #071d61));
    font-weight: 700;
    font-size: 16px !important;
    text-align: left;
    text-transform: none !important;
    letter-spacing: normal !important;
}

.nns-single-vb-info-table td {
    padding: 15px 20px;
    border-bottom: 1px solid var(--nns-line, #dfe5ef);
    color: #17213a;
    font-size: 16px !important;
    line-height: 1.6;
    text-transform: none !important;
    letter-spacing: normal !important;
}

.nns-vb-status-badge {
    display: inline-block;
    font-weight: 600;
    font-size: 15px;
    padding: 4px 12px;
    border-radius: 4px;
}

/* ══════════════════════════════════════════════════════════
   KHUNG XEM TRƯỚC TÀI LIỆU TRỰC TIẾP (KHI CHƯA DÁN TEXT)
══════════════════════════════════════════════════════════ */
.nns-single-vb-preview-box {
    margin: 16px 0 32px;
    border: 1.5px solid var(--nns-line, #dfe5ef);
    border-radius: 8px;
    overflow: hidden;
    background: #ffffff;
    box-shadow: 0 4px 16px rgba(7, 29, 97, 0.05);
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
}

.nns-single-vb-preview-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 16px;
    background: #f8fafc;
    border-bottom: 1.5px solid #e2e8f0;
    gap: 12px;
    width: 100%;
    box-sizing: border-box;
    min-width: 0;
}

.nns-preview-info {
    display: flex;
    align-items: center;
    gap: 10px;
    min-width: 0;
    flex: 1;
}

.nns-preview-badge {
    background: var(--nns-navy, var(--primary-color, #071d61));
    color: #fff;
    font-size: 12px;
    font-weight: 600;
    padding: 3px 8px;
    border-radius: 4px;
    white-space: nowrap;
    font-family: "Be Vietnam Pro", sans-serif;
    flex-shrink: 0;
}

.nns-preview-filename {
    font-size: 14px;
    font-weight: 600;
    color: #334155;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    max-width: 300px;
    font-family: "Be Vietnam Pro", sans-serif;
}

.nns-preview-actions {
    display: inline-flex !important;
    align-items: center !important;
    align-content: center !important;
    gap: 8px !important;
    flex-shrink: 0 !important;
    margin: 0 !important;
    padding: 0 !important;
}

.nns-preview-btn {
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    align-self: center !important;
    vertical-align: middle !important;
    gap: 6px !important;
    padding: 0 14px !important;
    font-size: 13.5px !important;
    font-weight: 600 !important;
    font-family: "Be Vietnam Pro", sans-serif !important;
    border-radius: 5px !important;
    border: 1.5px solid #cbd5e1 !important;
    background: #fff !important;
    color: #334155 !important;
    cursor: pointer !important;
    text-decoration: none !important;
    transition: all .18s !important;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.04) !important;
    height: 36px !important;
    min-height: 36px !important;
    max-height: 36px !important;
    line-height: 36px !important;
    box-sizing: border-box !important;
    white-space: nowrap !important;
    margin: 0 !important;
}

.nns-preview-btn svg {
    display: inline-block !important;
    vertical-align: middle !important;
    margin: 0 !important;
    flex-shrink: 0 !important;
}

.nns-preview-btn span {
    display: inline-block !important;
    vertical-align: middle !important;
    line-height: 1 !important;
    margin: 0 !important;
    padding: 0 !important;
}

.nns-preview-btn span.nns-btn-text-short,
.nns-preview-btn .nns-btn-text-short {
    display: none !important;
}

.nns-preview-btn span.nns-btn-text-full,
.nns-preview-btn .nns-btn-text-full {
    display: inline-block !important;
}

.nns-preview-btn:hover {
    background: #f1f5f9 !important;
    color: var(--nns-navy, var(--primary-color, #071d61)) !important;
    border-color: #94a3b8 !important;
}

.nns-preview-btn--download {
    background: var(--nns-navy, var(--primary-color, #071d61)) !important;
    border: 1.5px solid var(--nns-navy, var(--primary-color, #071d61)) !important;
    color: #fff !important;
}

.nns-preview-btn--download:hover {
    background: #0a2780 !important;
    border-color: #0a2780 !important;
    color: #fff !important;
}

.nns-preview-btn--download svg {
    color: #fff !important;
}

.nns-preview-btn--download span {
    color: #fff !important;
}

.nns-single-vb-frame-wrap {
    position: relative;
    width: 100%;
    height: 850px;
    background: #f8fafc;
}

.nns-single-vb-frame-wrap iframe {
    width: 100%;
    height: 100%;
    border: none;
    display: block;
    background: #fff;
}

.nns-preview-loading {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 12px;
    background: #f8fafc;
    color: #64748b;
    font-size: 15px;
    font-family: "Be Vietnam Pro", sans-serif;
    z-index: 10;
}

.nns-preview-spinner {
    width: 38px;
    height: 38px;
    border: 3.5px solid #e2e8f0;
    border-top-color: var(--nns-navy, var(--primary-color, #071d61));
    border-radius: 50%;
    animation: nnsVbSpin .8s linear infinite;
}

/* ── Responsive Mobile cho Preview Toolbar ── */
@media (max-width: 768px) {
    .nns-single-vb-preview-box {
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        margin: 14px 0 28px !important;
    }

    .nns-single-vb-preview-bar {
        flex-direction: column;
        align-items: stretch;
        padding: 10px 12px;
        gap: 10px;
        width: 100% !important;
        box-sizing: border-box !important;
        min-width: 0;
    }

    .nns-preview-info {
        width: 100%;
        display: flex;
        align-items: center;
        gap: 8px;
        min-width: 0;
        box-sizing: border-box;
    }

    .nns-preview-badge {
        font-size: 11.5px;
        padding: 3px 8px;
        flex-shrink: 0;
        white-space: nowrap;
    }

    .nns-preview-filename {
        flex: 1;
        min-width: 0;
        max-width: none;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
        font-size: 13px;
    }

    .nns-preview-actions {
        width: 100% !important;
        display: grid !important;
        grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
        gap: 8px !important;
        align-items: center !important;
        align-content: center !important;
        box-sizing: border-box !important;
        min-width: 0 !important;
        margin: 0 !important;
        padding: 0 !important;
    }

    .nns-preview-btn span.nns-btn-text-full,
    .nns-preview-btn .nns-btn-text-full {
        display: none !important;
    }

    .nns-preview-btn span.nns-btn-text-short,
    .nns-preview-btn .nns-btn-text-short {
        display: inline-block !important;
    }

    .nns-preview-btn {
        width: 100% !important;
        min-width: 0 !important;
        padding: 0 10px !important;
        height: 36px !important;
        min-height: 36px !important;
        max-height: 36px !important;
        line-height: 36px !important;
        font-size: 13px !important;
        white-space: nowrap !important;
        gap: 6px !important;
        justify-content: center !important;
        align-items: center !important;
        align-self: center !important;
        vertical-align: middle !important;
        box-sizing: border-box !important;
        margin: 0 !important;
    }

    .nns-preview-btn svg {
        width: 12px !important;
        height: 12px !important;
        flex-shrink: 0 !important;
        display: inline-block !important;
        vertical-align: middle !important;
        margin: 0 !important;
    }

    .nns-preview-btn span {
        overflow: hidden !important;
        text-overflow: ellipsis !important;
        white-space: nowrap !important;
        min-width: 0 !important;
        display: inline-block !important;
        vertical-align: middle !important;
        line-height: 1 !important;
        margin: 0 !important;
        padding: 0 !important;
    }

    .nns-single-vb-frame-wrap {
        height: 560px;
        width: 100%;
        box-sizing: border-box;
    }
}

@media (max-width: 370px) {
    .nns-preview-btn span {
        font-size: 11px !important;
    }
}

.nns-vb-empty {
    padding: 30px;
    text-align: center;
    color: #64748b;
    background: #f8fafc;
    border-radius: 8px;
    margin: 20px 0;
}

/* ── Sidebar Widget (Tiêu đề to hơn & nội dung 16px) ── */
.nns-single-vb-sidebar {
    position: sticky;
    top: 96px;
}

.nns-single-vb-widget {
    margin-bottom: 40px;
}

.nns-single-vb-widget__title {
    font-size: 21px !important;
    font-weight: 700 !important;
    color: var(--nns-navy, var(--primary-color, #071d61)) !important;
    border-bottom: 2.5px solid var(--nns-gold, #c7a14c);
    padding-bottom: 11px;
    margin: 0 0 18px;
    font-family: "Be Vietnam Pro", sans-serif;
    letter-spacing: -0.01em;
}

.nns-single-vb-widget__list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.nns-single-vb-widget__item {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 13px 0;
    border-bottom: 1px dashed #e2e8f0;
}

.nns-single-vb-widget__item:last-child {
    border-bottom: none;
}

.nns-single-vb-widget__arrow {
    color: var(--nns-gold, #c7a14c);
    font-size: 20px;
    line-height: 1.25;
    font-weight: 800;
    flex-shrink: 0;
    margin-top: 1px;
}

.nns-single-vb-widget__link {
    font-size: 16px !important;
    font-weight: 600;
    color: var(--nns-navy, var(--primary-color, #071d61)) !important;
    text-decoration: none;
    line-height: 1.55;
    font-family: "Be Vietnam Pro", sans-serif;
    transition: color .18s;
}

.nns-single-vb-widget__link:hover {
    color: var(--nns-red, #e42b31) !important;
    text-decoration: underline;
}

.nns-single-vb-widget__empty {
    font-size: 15px;
    color: var(--nns-muted, #66718a);
    font-style: italic;
    margin: 0;
}

/* ══════════════════════════════════════════════════════════
   RESPONSIVE CHO TABLET & MOBILE (TỐI ƯU TOÀN DIỆN)
══════════════════════════════════════════════════════════ */

/* ── TABLET (≤ 992px) ── */
@media (max-width: 992px) {
    .nns-single-vb-layout {
        grid-template-columns: 1fr;
        gap: 36px;
    }

    .nns-single-vb-sidebar {
        position: static;
        border-top: 2px solid var(--nns-line, #dfe5ef);
        padding-top: 32px;
        margin-top: 16px;
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 32px;
    }

    .nns-single-vb-widget {
        margin-bottom: 0;
    }

    .nns-single-vb-widget__title {
        font-size: 20px !important;
    }
}

/* ── MOBILE (≤ 768px) ── */
@media (max-width: 768px) {
    .nns-single-vb-page {
        padding: 0 0 48px;
        overflow-x: clip;
    }

    .nns-single-vb-page .nns-container {
        padding-left: 16px !important;
        padding-right: 16px !important;
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
    }

    .nns-single-vb-layout {
        grid-template-columns: 100%;
        gap: 24px;
        width: 100%;
        min-width: 0;
        box-sizing: border-box;
    }

    .nns-single-vb-main,
    .nns-single-vb-pane {
        width: 100%;
        min-width: 0;
        max-width: 100%;
        box-sizing: border-box;
    }

    /* Tabs trải đều 100% màn hình, cân đối 2 bên */
    .nns-single-vb-tabs-nav {
        display: flex;
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        margin-bottom: 18px;
        border-bottom: 2px solid var(--nns-line, #dfe5ef);
        gap: 0;
    }

    .nns-single-vb-tab-btn {
        flex: 1 1 0% !important;
        width: 50% !important;
        min-width: 0 !important;
        text-align: center;
        padding: 12px 6px !important;
        font-size: 15.5px !important;
        box-sizing: border-box !important;
    }

    /* Nút tải văn bản to rõ, căn đều 2 bên, đúng chuẩn viền và padding */
    .nns-single-vb-download-wrap {
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        margin-bottom: 18px;
    }

    .nns-single-vb-btn-download {
        display: flex;
        width: 100% !important;
        max-width: 100% !important;
        justify-content: center;
        padding: 12px 14px;
        font-size: 15.5px !important;
        min-height: 48px;
        box-sizing: border-box !important;
        margin: 0 !important;
    }

    /* Mục lục TOC trên mobile */
    .nns-single-vb-toc {
        padding: 14px 16px;
        margin-bottom: 24px;
        width: 100%;
        box-sizing: border-box;
    }

    .nns-single-vb-toc__title {
        font-size: 17px !important;
    }

    .nns-single-vb-toc__list li {
        font-size: 15.5px !important;
        padding: 3px 0;
    }

    /* Bảng thông tin văn bản dạng Card không bị tràn ngang */
    .nns-single-vb-info-table,
    .nns-single-vb-info-table tbody,
    .nns-single-vb-info-table tr,
    .nns-single-vb-info-table th,
    .nns-single-vb-info-table td {
        display: block;
        width: 100% !important;
        box-sizing: border-box;
    }

    .nns-single-vb-info-table {
        border: none;
        background: transparent;
    }

    .nns-single-vb-info-table tr {
        margin-bottom: 14px;
        border: 1px solid var(--nns-line, #dfe5ef);
        border-radius: 8px;
        overflow: hidden;
        background: #fff;
    }

    .nns-single-vb-info-table th {
        background: #f1f5f9;
        padding: 10px 14px;
        font-size: 15px !important;
        font-weight: 700;
        border-bottom: 1px solid #e2e8f0;
    }

    .nns-single-vb-info-table td {
        padding: 12px 14px;
        font-size: 16px !important;
        border-bottom: none;
    }

    /* Sidebar quay lại 1 cột trên mobile */
    .nns-single-vb-sidebar {
        display: block;
        padding-top: 28px;
        margin-top: 14px;
        width: 100%;
        box-sizing: border-box;
    }

    .nns-single-vb-widget {
        margin-bottom: 34px;
    }

    .nns-single-vb-widget__title {
        font-size: 20px !important;
        padding-bottom: 9px;
        margin-bottom: 16px;
    }

    .nns-single-vb-widget__item {
        padding: 14px 0;
    }

    .nns-single-vb-widget__link {
        font-size: 16px !important;
        line-height: 1.55;
    }
}

/* ── SMALL MOBILE (≤ 480px) ── */
@media (max-width: 480px) {
    .nns-single-vb-page .nns-container {
        padding-left: 14px !important;
        padding-right: 14px !important;
    }

    .nns-single-vb-tab-btn {
        padding: 10px 4px !important;
        font-size: 14.5px !important;
    }

    .nns-single-vb-widget__title {
        font-size: 19px !important;
    }

    .nns-single-vb-widget__link {
        font-size: 15.5px !important;
    }
}

@media (max-width: 370px) {
    .nns-single-vb-page .nns-container {
        padding-left: 12px !important;
        padding-right: 12px !important;
    }
}