/**
 * news.css — Trang Tin Tức & Sự Kiện (/tin-tuc/)
 * Load for: is_home(), is_archive() (category/tag)
 */

/* ═══════════════════════════════════════════════════════════════════
   HERO
   ═══════════════════════════════════════════════════════════════════ */

.tn-hero {
    position: relative;
    min-height: 260px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    overflow: hidden;
    background: var(--color-secondary);
}

.tn-hero__bg {
    position: absolute;
    inset: 0;
    object-fit: cover;
    width: 100%;
    height: 100%;
    opacity: .35;
}

.tn-hero__inner {
    position: relative;
    z-index: 1;
    padding: 48px 20px;
}

.tn-hero__tag {
    display: inline-block;
    background: var(--color-primary);
    color: var(--color-secondary);
    font-size: var(--text-xs);
    font-weight: 800;
    letter-spacing: .1em;
    text-transform: uppercase;
    padding: 4px 14px;
    border-radius: var(--radius-full);
    margin-bottom: 16px;
}

.tn-hero__title {
    font-size: var(--text-4xl);
    font-weight: 900;
    color: #fff;
    margin: 0 0 12px;
    letter-spacing: -.01em;
}

.tn-hero__sub {
    color: rgba(255, 255, 255, .75);
    font-size: var(--text-sm);
    max-width: 520px;
    margin: 0 auto;
    line-height: 1.6;
}

/* ═══════════════════════════════════════════════════════════════════
   ARCHIVE WRAPPER (breadcrumb + layout)
   ═══════════════════════════════════════════════════════════════════ */

.tn-archive {
    padding: 36px 0 60px;
    background: #f8f9fa;
}

/* Breadcrumb */
.tn-bc {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: var(--text-xs);
    font-weight: 700;
    color: var(--text-muted);
    margin-bottom: 28px;
    text-transform: uppercase;
    letter-spacing: .06em;
}

.tn-bc a {
    color: var(--text-muted);
    text-decoration: none;
}

.tn-bc a:hover {
    color: var(--color-secondary);
}

.tn-bc__sep {
    opacity: .5;
}

.tn-bc__current {
    color: var(--color-secondary);
}

/* ─── Layout 70/30 ───────────────────────────────────────────────── */
.tn-layout {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: 32px;
    align-items: start;
}

/* ═══════════════════════════════════════════════════════════════════
   SECTION HEADER (yellow left border)
   ═══════════════════════════════════════════════════════════════════ */

.tn-section-title {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: var(--text-base);
    font-weight: 800;
    color: var(--color-secondary);
    margin: 0 0 20px;
    text-transform: uppercase;
    letter-spacing: .06em;
}

.tn-section-title::before {
    content: '';
    display: block;
    width: 4px;
    height: 20px;
    background: var(--color-primary);
    border-radius: 2px;
    flex-shrink: 0;
}

/* ═══════════════════════════════════════════════════════════════════
   FEATURED POST (bài nổi bật)
   ═══════════════════════════════════════════════════════════════════ */

.tn-featured {
    background: #fff;
    border-radius: var(--radius-2xl);
    overflow: hidden;
    box-shadow: 0 2px 16px rgba(10, 38, 71, .06);
    margin-bottom: 28px;
    display: block;
    text-decoration: none;
    color: inherit;
    transition: box-shadow var(--transition-fast);
}

.tn-featured:hover {
    box-shadow: 0 8px 32px rgba(10, 38, 71, .12);
}

.tn-featured__media {
    position: relative;
    overflow: hidden;
    height: 340px;
}

.tn-featured__img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform .5s ease;
}

.tn-featured:hover .tn-featured__img {
    transform: scale(1.04);
}

.tn-featured__meta {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 16px 20px;
    background: linear-gradient(to top, rgba(5, 17, 31, .7) 0%, transparent 100%);
    display: flex;
    align-items: center;
    gap: 10px;
}

.tn-featured__body {
    padding: 24px 28px 28px;
}

.tn-featured__title {
    font-size: var(--text-24);
    font-weight: 800;
    color: var(--color-secondary);
    line-height: 1.3;
    margin: 0 0 12px;
}

.tn-featured__excerpt {
    color: var(--text-muted);
    font-size: var(--text-sm);
    line-height: 1.65;
    margin: 0 0 20px;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.tn-featured__cta {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--color-primary);
    color: var(--color-secondary);
    font-size: var(--text-sm);
    font-weight: 800;
    padding: 10px 22px;
    border-radius: var(--radius-full);
    text-decoration: none;
    transition: background var(--transition-fast), transform var(--transition-fast);
}

.tn-featured__cta:hover {
    background: var(--color-primary-hover);
    transform: translateX(2px);
}

/* ═══════════════════════════════════════════════════════════════════
   CATEGORY (badge)
   ═══════════════════════════════════════════════════════════════════ */

.tn-cat {
    display: inline-block;
    background: var(--color-primary);
    color: var(--color-secondary);
    font-size: 10px;
    font-weight: 800;
    letter-spacing: .08em;
    text-transform: uppercase;
    padding: 3px 10px;
    border-radius: var(--radius-full);
    text-decoration: none;
    white-space: nowrap;
}

.tn-date {
    font-size: var(--text-xs);
    color: rgba(255, 255, 255, .8);
    font-weight: 600;
}

/* ═══════════════════════════════════════════════════════════════════
   CATEGORY TABS
   ═══════════════════════════════════════════════════════════════════ */

.tn-tabs {
    display: flex;
    align-items: center;
    gap: 0;
    border-bottom: 2px solid rgba(10, 38, 71, .08);
    margin-bottom: 24px;
    overflow-x: auto;
    scrollbar-width: none;
}

.tn-tabs::-webkit-scrollbar {
    display: none;
}

.tn-tab {
    display: block;
    padding: 10px 18px;
    font-size: var(--text-sm);
    font-weight: 700;
    color: var(--text-muted);
    text-decoration: none;
    white-space: nowrap;
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    transition: color var(--transition-fast), border-color var(--transition-fast);
}

.tn-tab:hover {
    color: var(--color-secondary);
}

.tn-tab.is-active {
    color: var(--color-secondary);
    border-bottom-color: var(--color-primary);
}

/* ═══════════════════════════════════════════════════════════════════
   ARTICLE GRID (2 cột)
   ═══════════════════════════════════════════════════════════════════ */

.tn-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

/* ─── Article Card ─────────────────────────────────────────────── */
.tn-card {
    background: #fff;
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: 0 1px 8px rgba(10, 38, 71, .05);
    display: flex;
    flex-direction: column;
    text-decoration: none;
    color: inherit;
    transition: box-shadow var(--transition-fast), transform var(--transition-fast);
}

.tn-card:hover {
    box-shadow: 0 4px 20px rgba(10, 38, 71, .1);
    transform: translateY(-2px);
}

.tn-card__media {
    position: relative;
    overflow: hidden;
    height: 175px;
}

.tn-card__img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform .4s ease;
}

.tn-card:hover .tn-card__img {
    transform: scale(1.05);
}

.tn-card__meta {
    position: absolute;
    bottom: 10px;
    left: 12px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.tn-card__meta .tn-date {
    color: rgba(255, 255, 255, .85);
    background: rgba(5, 17, 31, .4);
    border-radius: var(--radius-full);
    padding: 2px 8px;
}

.tn-card__body {
    padding: 16px 18px 20px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.tn-card__title {
    font-size: var(--text-15);
    font-weight: 700;
    color: var(--color-secondary);
    line-height: 1.4;
    margin: 0 0 8px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.tn-card__excerpt {
    font-size: var(--text-xs);
    color: var(--text-muted);
    line-height: 1.6;
    margin: 0;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    flex: 1;
}

/* ═══════════════════════════════════════════════════════════════════
   PAGINATION
   ═══════════════════════════════════════════════════════════════════ */

.tn-pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 6px;
    margin-top: 32px;
}

.tn-pagination a,
.tn-pagination span {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    border-radius: var(--radius-lg);
    font-size: var(--text-sm);
    font-weight: 700;
    text-decoration: none;
    transition: background var(--transition-fast), color var(--transition-fast);
}

.tn-pagination a {
    background: #fff;
    color: var(--color-secondary);
    box-shadow: 0 1px 4px rgba(10, 38, 71, .08);
}

.tn-pagination a:hover {
    background: var(--color-primary);
    color: var(--color-secondary);
}

.tn-pagination .current {
    background: var(--color-primary);
    color: var(--color-secondary);
}

/* ═══════════════════════════════════════════════════════════════════
   SIDEBAR
   ═══════════════════════════════════════════════════════════════════ */

.tn-sidebar {
    display: flex;
    flex-direction: column;
    gap: 24px;
    position: sticky;
    top: 120px;
}

/* ─── Widget box ──────────────────────────────────────────────── */
.tn-widget {
    background: #fff;
    border-radius: var(--radius-xl);
    padding: 20px 22px;
}

.tn-widget__title {
    font-size: var(--text-sm);
    font-weight: 800;
    color: var(--color-secondary);
    text-transform: uppercase;
    letter-spacing: .07em;
    margin: 0 0 16px;
    padding-bottom: 12px;
    border-bottom: 2px solid rgba(10, 38, 71, .06);
    display: flex;
    align-items: center;
    gap: 8px;
}

.tn-widget__title::before {
    content: '';
    display: block;
    width: 3px;
    height: 16px;
    background: var(--color-primary);
    border-radius: 2px;
}

/* ─── Most viewed list ─────────────────────────────────────────── */
.tn-popular {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.tn-popular__item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
}

.tn-popular__num {
    flex-shrink: 0;
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-accent-light);
    color: var(--color-secondary);
    font-size: 11px;
    font-weight: 900;
    border-radius: var(--radius-lg);
}

.tn-popular__item:first-child .tn-popular__num {
    background: var(--color-primary);
}

.tn-popular__content {
    flex: 1;
    min-width: 0;
}

.tn-popular__title {
    display: block;
    font-size: var(--text-sm);
    font-weight: 700;
    color: var(--color-secondary);
    line-height: 1.4;
    text-decoration: none;
    margin-bottom: 4px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.tn-popular__title:hover {
    color: var(--color-primary);
}

.tn-popular__date {
    font-size: 11px;
    color: var(--text-muted);
    font-weight: 600;
}

/* ═══════════════════════════════════════════════════════════════════
   EMPTY STATE
   ═══════════════════════════════════════════════════════════════════ */

.tn-empty {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-muted);
    background: #fff;
    border-radius: var(--radius-xl);
    grid-column: 1 / -1;
}

/* ═══════════════════════════════════════════════════════════════════
   RESPONSIVE
   ═══════════════════════════════════════════════════════════════════ */

@media (max-width: 1024px) {
    .tn-layout {
        grid-template-columns: 1fr 280px;
    }
}

@media (max-width: 768px) {
    .tn-layout {
        grid-template-columns: 1fr;
    }

    .tn-sidebar {
        position: static;
    }

    .tn-featured__media {
        height: 240px;
    }

    .tn-hero__title {
        font-size: var(--text-3xl);
    }

    .tn-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .tn-grid {
        grid-template-columns: 1fr;
    }

    .tn-tabs {
        gap: 0;
    }

    .tn-tab {
        padding: 8px 12px;
        font-size: var(--text-xs);
    }
}


/* ═══════════════════════════════════════════════════════════════════
   SINGLE POST — Header wrap
   ═══════════════════════════════════════════════════════════════════ */

.ns-header-wrap {
    background: #fff;
    padding: 28px 0 0;
    border-bottom: 1px solid rgba(10, 38, 71, .07);
}

.ns-header-wrap .tn-bc {
    margin-bottom: 16px;
}

.ns-title {
    font-size: var(--text-36);
    font-weight: 900;
    color: var(--color-secondary);
    line-height: 1.25;
    margin: 0 0 20px;
    max-width: 760px;
}

/* Meta row */
.ns-meta {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
    padding-bottom: 20px;
    font-size: var(--text-sm);
    color: var(--text-muted);
}

.ns-meta__item {
    display: flex;
    align-items: center;
    gap: 5px;
    font-weight: 600;
}

.ns-meta__item svg {
    flex-shrink: 0;
    opacity: .6;
}

.ns-meta__sep {
    opacity: .3;
    font-weight: 300;
}

/* ═══════════════════════════════════════════════════════════════════
   SINGLE POST — Archive wrapper
   ═══════════════════════════════════════════════════════════════════ */

.ns-archive {
    padding: 36px 0 60px;
    background: #f8f9fa;
}

/* ═══════════════════════════════════════════════════════════════════
   SINGLE POST — Article
   ═══════════════════════════════════════════════════════════════════ */

.ns-article {
    background: #fff;
    border-radius: 0;
    overflow: hidden;
}

/* Featured image */
.ns-featured-img {
    margin: 0;
    display: block;
}

.ns-featured-img__img {
    width: 100%;
    height: auto;
    display: block;
    max-height: 480px;
    object-fit: cover;
}

.ns-featured-img__caption {
    background: rgba(10, 38, 71, .04);
    font-size: 12px;
    color: var(--text-muted);
    font-style: italic;
    text-align: center;
    padding: 8px 20px;
}

/* ─── Content typography ───────────────────────────────────────── */
.ns-content {
    padding: 28px 36px 24px;
    font-size: var(--text-base);
    line-height: 1.75;
    color: #374151;
}

.ns-content p {
    margin: 0 0 1.2em;
}

.ns-content h2,
.ns-content h3,
.ns-content h4 {
    font-weight: 800;
    color: var(--color-secondary);
    margin: 1.5em 0 .6em;
    line-height: 1.3;
}

.ns-content h2 {
    font-size: var(--text-24);
}

.ns-content h3 {
    font-size: var(--text-xl);
}

.ns-content h4 {
    font-size: var(--text-base);
}

/* Images in content */
.ns-content img {
    max-width: 100%;
    height: auto;
    border-radius: var(--radius-lg);
    display: block;
    margin: 1.2em auto;
}

/* Blockquote — như design mockup */
.ns-content blockquote {
    margin: 1.8em 0;
    padding: 20px 24px;
    border-left: 4px solid var(--color-primary);
    background: rgba(255, 200, 51, .06);
    border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
    font-style: italic;
    font-size: var(--text-lg);
    font-weight: 600;
    color: var(--color-secondary);
    line-height: 1.6;
}

.ns-content blockquote cite,
.ns-content blockquote p:last-child.cite {
    display: block;
    margin-top: 10px;
    font-size: var(--text-sm);
    font-style: normal;
    font-weight: 700;
    color: var(--text-muted);
}

/* Lists */
.ns-content ul,
.ns-content ol {
    padding-left: 1.4em;
    margin: 0 0 1.2em;
}

.ns-content li {
    margin-bottom: .4em;
}

/* Links */
.ns-content a {
    color: var(--color-secondary);
    text-decoration: underline;
    text-underline-offset: 2px;
}

.ns-content a:hover {
    color: var(--color-primary);
}

/* Gallery / image grid in content */
.ns-content .wp-block-gallery,
.ns-content .gallery {
    border-radius: var(--radius-lg);
    overflow: hidden;
}

/* ─── Tags + Share footer ─────────────────────────────────────── */
.ns-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
    padding: 20px 36px 24px;
    border-top: 1px solid rgba(10, 38, 71, .07);
}

.ns-tags {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

.ns-tags__label {
    font-size: var(--text-sm);
    font-weight: 700;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: .06em;
    margin-right: 4px;
}

.ns-tag {
    display: inline-block;
    background: rgba(10, 38, 71, .06);
    color: var(--color-secondary);
    font-size: var(--text-xs);
    font-weight: 700;
    padding: 4px 12px;
    border-radius: var(--radius-full);
    text-decoration: none;
    transition: background var(--transition-fast), color var(--transition-fast);
}

.ns-tag:hover {
    background: var(--color-primary);
    color: var(--color-secondary);
}

/* Share */
.ns-share {
    display: flex;
    align-items: center;
    gap: 8px;
}

.ns-share__label {
    font-size: var(--text-sm);
    font-weight: 700;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: .06em;
    margin-right: 4px;
}

.ns-share__btn {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-full);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: opacity var(--transition-fast), transform var(--transition-fast);
}

.ns-share__btn:hover {
    opacity: .85;
    transform: translateY(-1px);
}

.ns-share__btn--fb {
    background: #1877f2;
    color: #fff;
}

.ns-share__btn--zalo {
    background: #0068ff;
    color: #fff;
    font-size: 12px;
}

.ns-share__btn--copy {
    background: rgba(10, 38, 71, .08);
    color: var(--color-secondary);
}

/* ─── Related posts ───────────────────────────────────────────── */
.ns-related {
    padding: 28px 36px;
    border-top: 1px solid rgba(10, 38, 71, .07);
}

.ns-related__title {
    font-size: var(--text-base);
    font-weight: 800;
    color: var(--color-secondary);
    text-transform: uppercase;
    letter-spacing: .06em;
    margin: 0 0 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.ns-related__title::before {
    content: '';
    display: block;
    width: 4px;
    height: 18px;
    background: var(--color-primary);
    border-radius: 2px;
}

.ns-related__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

/* ─── Sidebar: Category list ──────────────────────────────────── */
.ns-catlist {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.ns-catlist__link {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 9px 12px;
    border-radius: var(--radius-lg);
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--color-secondary);
    text-decoration: none;
    transition: background var(--transition-fast), color var(--transition-fast);
}

.ns-catlist__link:hover,
.ns-catlist__link.is-active {
    background: rgba(255, 200, 51, .12);
    color: var(--color-secondary);
}

.ns-catlist__link.is-active {
    font-weight: 800;
}

.ns-catlist__count {
    background: rgba(10, 38, 71, .07);
    color: var(--color-secondary);
    font-size: 11px;
    font-weight: 800;
    min-width: 24px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-full);
    padding: 0 6px;
}

.ns-catlist__link.is-active .ns-catlist__count {
    background: var(--color-primary);
}

/* ═══════════════════════════════════════════════════════════════════
   RESPONSIVE — Single post
   ═══════════════════════════════════════════════════════════════════ */

@media (max-width: 768px) {
    .ns-title {
        font-size: var(--text-2xl);
    }

    .ns-content {
        padding: 20px 20px 16px;
    }

    .ns-footer {
        padding: 16px 20px 20px;
        flex-direction: column;
        align-items: flex-start;
    }

    .ns-related {
        padding: 20px 20px;
    }

    .ns-related__grid {
        grid-template-columns: 1fr;
    }
}

/* ═══════════════════════════════════════════════════════════════════
   SIDEBAR — Project Banner Card
   ═══════════════════════════════════════════════════════════════════ */

.pj-sidebar-card {
    border-radius: var(--radius-2xl);
    overflow: hidden;
    background: var(--color-secondary);
    box-shadow: 0 4px 24px rgba(10, 38, 71, .12);
}

/* ─── Image area ──────────────────────────────────────────────── */
.pj-sidebar-card__media {
    position: relative;
    overflow: hidden;
    height: 240px;
}

.pj-sidebar-card__img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform .5s ease;
}

.pj-sidebar-card:hover .pj-sidebar-card__img {
    transform: scale(1.05);
}

/* Badge */
.pj-sidebar-card__badge {
    position: absolute;
    top: 14px;
    left: 14px;
    background: var(--color-primary);
    color: var(--color-secondary);
    font-size: 11px;
    font-weight: 800;
    letter-spacing: .06em;
    text-transform: uppercase;
    padding: 5px 14px;
    border-radius: var(--radius-full);
    z-index: 1;
}

/* ─── Body ────────────────────────────────────────────────────── */
.pj-sidebar-card__body {
    padding: 22px 20px 24px;
}

.pj-sidebar-card__title {
    font-size: var(--text-xl) !important;
    font-weight: 800 !important;
    color: #fff;
    margin: 0 0 10px;
    line-height: 1.3;
}

.pj-sidebar-card__desc {
    font-size: var(--text-sm);
    color: rgba(255, 255, 255, .55);
    line-height: 1.65;
    margin: 0 0 20px;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* ─── CTA Button ──────────────────────────────────────────────── */
.pj-sidebar-card__btn {
    display: block;
    width: 100%;
    text-align: center;
    background: var(--color-primary);
    color: var(--color-secondary);
    font-size: var(--text-sm);
    font-weight: 800;
    padding: 14px 20px;
    border-radius: var(--radius-full);
    text-decoration: none;
    transition: background var(--transition-fast), transform var(--transition-fast),
        box-shadow var(--transition-fast);
    box-shadow: 0 4px 12px rgba(255, 200, 51, .2);
}

.pj-sidebar-card__btn:hover {
    background: var(--color-primary-hover);
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(255, 200, 51, .35);
}