/**
 * VietnamSmart Theme - Blog Archive (News listing) Styles Layout Ver 2 Harmonized
 */

:root {
    --color-primary: #0056a9;
    --color-primary-dark: #004080;
    --color-primary-soft: #f0f5ff;
    --color-success: #71ae2c;
    --color-success-soft: #f4faeb;
    --color-accent: #5c7aea;
    --color-danger: #ed0b25;
    --color-bg: #ffffff;
    --color-bg-alt: #f8fafc;
    --color-text: #1e293b;
    --color-text-muted: #64748b;
    --color-text-light: #94a3b8;
    --color-border: #e2e8f0;
    --color-border-hover: #cbd5e1;
    --color-warning: #eab308;
    --color-warning-soft: #fef9c3;
    --color-shadow: rgba(0, 86, 169, 0.05);
    --color-shadow-strong: rgba(0, 86, 169, 0.12);
    --font-main: "Inter", sans-serif;
    --border-radius-lg: 16px;
    --border-radius-md: 12px;
    --border-radius-sm: 8px;
}

/* Mobile Top Category Scrollbar */
.category-mobile-top {
    display: none;
}

.category-mobile-top-rail {
    display: flex;
    align-items: stretch;
    gap: 6px;
}

.category-mobile-top-btn {
    display: none;
}

.category-mobile-top-nav {
    flex: 1;
    display: flex;
    flex-wrap: nowrap;
    gap: 10px;
    width: 100%;
    min-width: 0;
    overflow-x: auto;
    overflow-y: hidden;
    scroll-snap-type: x mandatory;
    scrollbar-width: none;
    touch-action: pan-x;
    -webkit-overflow-scrolling: touch;
}

.category-mobile-top-nav::-webkit-scrollbar {
    display: none;
}

.category-mobile-top-link {
    flex: 0 0 72px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding: 10px 6px;
    border-radius: var(--border-radius-md);
    color: var(--color-text-muted);
    text-align: center;
    scroll-snap-align: start;
    transition: background-color 0.2s ease, color 0.2s ease;
}

.category-mobile-top-link:hover {
    background: var(--color-bg-alt);
    color: var(--color-primary);
}

.category-mobile-top-link.active {
    background: var(--color-primary-soft);
    color: var(--color-primary);
    font-weight: 700;
}

.category-mobile-top-icon {
    color: var(--color-text-muted);
    font-size: 20px;
    line-height: 1;
}

.category-mobile-top-link.active .category-mobile-top-icon {
    color: var(--color-primary);
}

.category-mobile-top-text {
    font-size: 13px;
    line-height: 1.25;
}

/* Breadcrumb */
.breadcrumb {
    padding: 16px 0 8px;
    font-size: 13px;
    color: var(--color-text-muted);
}

.breadcrumb-list {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

.breadcrumb-list a {
    color: var(--color-text-muted);
}

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

.breadcrumb-list i {
    font-size: 10px;
    color: var(--color-text-light);
}

/* Layout */
.dm-bviet-layout {
    display: block;
    margin-bottom: 40px;
}

.dmbv-sidebar-left {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-lg);
    padding: 18px;
    box-shadow: 0 10px 30px var(--color-shadow);
}

.sidebar-nav {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.sidebar-mobile-rail {
    display: block;
}

.sidebar-mobile-btn {
    display: none;
}

.sidebar-link {
    display: flex;
    align-items: center;
    gap: 12px;
    min-height: 42px;
    padding: 10px 14px;
    border-radius: var(--border-radius-sm);
    color: var(--color-text);
    transition: background-color 0.2s ease, color 0.2s ease, transform 0.2s ease;
}

.sidebar-link:hover {
    background: var(--color-bg-alt);
    color: var(--color-primary);
    transform: translateX(2px);
}

.sidebar-link.active {
    background: var(--color-primary-soft);
    color: var(--color-primary);
    font-weight: 700;
}

.sidebar-link-icon {
    width: 18px;
    text-align: center;
    color: var(--color-text-light);
    font-size: 14px;
    flex-shrink: 0;
}

.sidebar-link.active .sidebar-link-icon {
    color: var(--color-primary);
}

.sidebar-link-text {
    flex: 1;
    font-size: 13.5px;
    line-height: 1.4;
}

.sidebar-link-arrow {
    font-size: 11px;
    color: var(--color-text-light);
}

.sidebar-footer-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-top: 24px;
    color: var(--color-text-light);
    font-size: 12px;
}

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

.dmbv-main-content {
    min-width: 0;
    padding: 0;
}

.section-heading {
    font-size: 15px;
    font-weight: 800;
    color: var(--color-primary-dark);
    padding: 16px 0;
    display: flex;
    align-items: center;
    gap: 8px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.section-heading i {
    color: var(--color-primary);
}

/* Featured Story */
.featured-section {
    margin-bottom: 24px;
}

.featured-section-inner {
    padding: 24px;
}

.featured-story {
    display: grid;
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr);
    gap: 24px;
    align-items: start;
}

.featured-media {
    position: relative;
    overflow: hidden;
    border-radius: var(--border-radius-md);
    display: block;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.03);
}

.featured-media img {
    height: 280px;
    width: 100%;
    object-fit: cover;
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.featured-media:hover img {
    transform: scale(1.04);
}

.featured-story-badge {
    position: absolute;
    top: 12px;
    left: 12px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 24px;
    padding: 4px 10px;
    border-radius: var(--border-radius-sm);
    background: var(--color-danger);
    color: #fff;
    font-size: 11px;
    font-weight: 700;
    line-height: 1;
    z-index: 1;
    box-shadow: 0 2px 8px rgba(237, 11, 37, 0.2);
}

.featured-body {
    min-width: 0;
}

.featured-story-title {
    color: var(--color-primary-dark);
    font-size: 24px;
    line-height: 1.35;
    font-weight: 800;
    margin-bottom: 12px;
}

.featured-story-title a {
    color: var(--color-primary-dark);
}

.featured-story-title a:hover {
    color: var(--color-primary);
}

.featured-story-excerpt {
    color: var(--color-text-muted);
    font-size: 14.5px;
    line-height: 1.6;
    margin-bottom: 18px;
}

.story-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    flex-wrap: wrap;
    color: var(--color-text-muted);
    font-size: 12.5px;
}

.story-meta-left {
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.story-meta-left i {
    color: var(--color-primary);
}

.story-meta-topic {
    color: var(--color-primary);
    font-weight: 700;
}

/* Second Row (News List Centered) */
.dmbv-row2 {
    max-width: 100%;
    margin: 0 auto;
}

.news-section-inner,
.trending-section-inner {
    padding: 0;
}

.news-list {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 22px;
}

.news-item {
    display: flex;
    flex-direction: column;
    overflow: hidden;
    background: #fff;
    border: 1px solid var(--color-border);
    border-radius: 0;
    box-shadow: 0 8px 24px rgba(15, 23, 42, 0.05);
}

.news-thumb {
    overflow: hidden;
    display: block;
    aspect-ratio: 16 / 9;
    background: var(--color-bg-alt);
}

.news-thumb img {
    height: 100%;
    width: 100%;
    object-fit: cover;
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.news-thumb:hover img {
    transform: scale(1.04);
}

.news-body {
    display: flex;
    flex: 1;
    flex-direction: column;
    padding: 14px 15px 15px;
}

.news-item-title {
    color: var(--color-primary-dark);
    font-size: 16px;
    line-height: 1.35;
    font-weight: 800;
    margin-bottom: 8px;
    min-height: calc(16px * 1.35 * 2);
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    overflow: hidden;
}

.news-item-title a {
    color: var(--color-primary-dark);
}

.news-item-title a:hover {
    color: var(--color-primary);
}

.news-item-excerpt {
    color: var(--color-text-muted);
    font-size: 13.5px;
    line-height: 1.55;
    margin-bottom: 12px;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 3;
    line-clamp: 3;
    overflow: hidden;
}

.news-item-meta {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
    margin-top: auto;
    padding-top: 12px;
    border-top: 1px solid #eef2f7;
    color: var(--color-text-light);
    font-size: 11.5px;
    line-height: 1.4;
}

.news-author {
    color: var(--color-primary);
    font-weight: 700;
}

.news-author,
.news-updated {
    display: inline-flex;
    align-items: center;
    gap: 5px;
}

/* Pagination */
.news-pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding-top: 24px;
}

.page-number,
.page-nav {
    min-width: 38px;
    height: 38px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0 12px;
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-sm);
    background: var(--color-bg);
    color: var(--color-text);
    font-size: 13px;
    font-weight: 600;
    transition: all 0.2s ease;
}

.page-number:hover,
.page-nav:hover {
    color: var(--color-primary);
    border-color: var(--color-primary);
    background: var(--color-bg-alt);
}

.page-number.active,
.page-number.current {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: #fff;
    box-shadow: 0 4px 10px rgba(0, 86, 169, 0.15);
}

.page-dots {
    color: var(--color-text-light);
    font-size: 13px;
    padding: 0 2px;
}

/* Trending & Right Sidebar */
.dmbv-col-sidebar-right {
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.trending-hero {
    position: relative;
    display: block;
    margin-bottom: 16px;
    border-radius: var(--border-radius-md);
    overflow: hidden;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.03);
}

.trending-hero img {
    height: 140px;
    width: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.trending-hero:hover img {
    transform: scale(1.04);
}

.trending-hero::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0, 86, 169, 0.8) 0%, rgba(0, 86, 169, 0.1) 100%);
}

.trending-hero-title {
    position: absolute;
    left: 14px;
    right: 14px;
    bottom: 12px;
    z-index: 1;
    color: #fff;
    font-size: 13.5px;
    line-height: 1.45;
    font-weight: 700;
}

.trending-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.trending-item {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 80px;
    gap: 12px;
    align-items: start;
}

.trending-item + .trending-item {
    padding-top: 12px;
    border-top: 1px solid var(--color-border);
}

.trending-item-title {
    color: var(--color-text);
    font-size: 13.5px;
    line-height: 1.45;
    font-weight: 700;
}

.trending-item-title:hover {
    color: var(--color-primary);
}

.trending-thumb {
    overflow: hidden;
    border-radius: var(--border-radius-sm);
    display: block;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.02);
}

.trending-thumb img {
    height: 58px;
    width: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.trending-thumb:hover img {
    transform: scale(1.04);
}

/* Booking Banner */
.booking-banner {
    display: grid;
    place-items: center;
    min-height: 120px;
    padding: 18px;
    border: 1px solid rgba(0, 86, 169, 0.15);
    border-radius: var(--border-radius-lg);
    background: linear-gradient(135deg, #e6f2ff 0%, #cce6ff 100%);
    text-align: center;
    transition: border-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
    box-shadow: 0 4px 15px rgba(0, 86, 169, 0.03);
}

.booking-banner:hover {
    border-color: var(--color-primary);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 86, 169, 0.1);
}

.booking-banner span {
    display: inline-block;
    color: var(--color-danger);
    font-size: 11px;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.booking-banner strong {
    display: block;
    margin-top: 6px;
    color: var(--color-primary-dark);
    font-size: 16px;
    line-height: 1.35;
}

.booking-banner small {
    display: block;
    margin-top: 5px;
    color: var(--color-text-muted);
    font-size: 12.5px;
}

/* SEO Content Area */
.seo-content {
    margin-top: 32px;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    position: relative;
    box-shadow: 0 10px 30px var(--color-shadow);
    max-width: 840px;
    margin-left: auto;
    margin-right: auto;
}

.seo-content-inner {
    padding: 24px;
    font-size: 14.5px;
    line-height: 1.8;
    color: var(--color-text);
    transition: max-height 0.3s ease;
}

.seo-content p {
    color: var(--color-text-muted);
    line-height: 1.8;
    margin-bottom: 12px;
}

.seo-content-inner.collapsed {
    max-height: 280px;
    overflow: hidden;
}

.cps-block-content_btn-showmore {
    background: linear-gradient(180deg, hsla(0, 0%, 100%, 0), hsla(0, 0%, 100%, .91) 50%, #fff 55%);
    border-radius: 0 0 var(--border-radius-lg) var(--border-radius-lg);
    bottom: 0;
    display: none;
    left: 0;
    margin-bottom: 0;
    padding-top: 80px;
    padding-bottom: 15px;
    position: absolute;
    right: 0;
    text-align: center;
    width: 100%;
    z-index: 2;
}

.seo-content-inner.collapsed~.cps-block-content_btn-showmore {
    display: block;
}

.btn-show-more.button__content-show-more {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary);
    padding: 8px 24px;
    font-size: 14px;
    font-weight: 700;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.2s ease;
}

.btn-show-more.button__content-show-more:hover {
    color: var(--color-primary-dark);
}

.btn-show-more.button__content-show-more div {
    margin-left: 8px;
    display: flex;
    align-items: center;
}

.btn-show-more.button__content-show-more svg {
    fill: var(--color-primary);
    transition: fill 0.2s ease;
}

.btn-show-more.button__content-show-more:hover svg {
    fill: var(--color-primary-dark);
}

.desc-collapse-row {
    display: block;
    text-align: center;
    padding: 15px 0;
    border-top: 1px solid var(--color-border);
}

.seo-content-inner.collapsed~.desc-collapse-row {
    display: none;
}

.seo-content h2 {
    margin: 24px 0 12px;
    font-size: 19px;
    font-weight: 800;
    color: var(--color-primary-dark);
    padding-left: 12px;
    border-left: 4px solid var(--color-primary);
    line-height: 1.4;
}

.seo-fade {
    color: var(--color-text-light);
}

/* Responsive Styles */
@media (max-width: 1024px) {
    .dm-bviet-layout {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .dmbv-sidebar-left {
        padding-bottom: 10px;
    }

    .sidebar-nav {
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 8px;
    }

    .sidebar-footer-link {
        margin-top: 16px;
    }
}

@media (max-width: 768px) {
    .category-mobile-top {
        display: block;
        padding-top: 12px;
        background: #fff;
    }

    .category-mobile-top-btn {
        width: 28px;
        min-height: 72px;
        display: flex;
        align-items: center;
        justify-content: center;
        flex: 0 0 28px;
        border: 1px solid var(--color-border);
        border-radius: var(--border-radius-sm);
        background: #fff;
        color: var(--color-primary);
        font-size: 12px;
        cursor: pointer;
        transition: all 0.2s ease;
    }

    .category-mobile-top-btn:hover {
        border-color: var(--color-primary);
        color: var(--color-primary-dark);
    }

    .category-mobile-top-btn:disabled {
        opacity: 0.45;
        cursor: default;
        color: var(--color-text-light);
        border-color: var(--color-border);
    }

    .featured-story,
    .dmbv-row2 {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .dm-bviet-layout {
        gap: 16px;
        margin-bottom: 20px;
    }

    .dmbv-sidebar-left {
        display: none;
    }

    .featured-story-title {
        font-size: 18px;
    }
    
    .news-item-title {
        font-size: 15px;
    }

    .featured-media img {
        height: 220px;
    }

    .featured-section,
    .seo-content {
        margin-top: 20px;
    }

    .featured-section,
    .dmbv-col-news,
    .dmbv-col-sidebar-right,
    .seo-content {
        border-radius: var(--border-radius-lg);
    }

    .featured-story {
        gap: 14px;
    }

    .featured-story-excerpt {
        display: none;
    }

    .story-meta {
        justify-content: flex-start;
        gap: 8px 12px;
        font-size: 11.5px;
    }

    .story-meta-topic {
        order: -1;
    }

    .news-section-inner,
    .trending-section-inner {
        padding-top: 12px;
    }

    .news-list {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 16px;
    }

    .news-item {
        padding: 0;
    }

    .news-item-excerpt {
        font-size: 12.5px;
        line-height: 1.45;
        -webkit-line-clamp: 2;
        line-clamp: 2;
    }

    .news-item-meta {
        gap: 6px;
        font-size: 10.5px;
    }

    .news-pagination {
        gap: 6px;
        padding-top: 16px;
        flex-wrap: wrap;
    }

    .page-number,
    .page-nav {
        min-width: 34px;
        height: 34px;
        font-size: 12px;
    }

    .trending-hero {
        margin-bottom: 12px;
    }

    .trending-hero img {
        height: 190px;
    }

    .trending-item {
        grid-template-columns: minmax(0, 1fr) 76px;
        gap: 10px;
    }

    .trending-item-title,
    .trending-hero-title {
        font-size: 12.5px;
        line-height: 1.4;
    }

    .trending-thumb img {
        height: 56px;
    }

    .booking-banner {
        min-height: 100px;
        margin-top: 16px;
        padding: 14px;
    }

    .featured-section-inner,
    .news-section-inner,
    .trending-section-inner,
    .seo-content-inner {
        padding: 0;
    }

    .section-heading {
        padding: 16px 0;
        font-size: 14px;
    }

    .seo-content-inner {
        font-size: 13.5px;
    }

    .seo-content-inner.collapsed {
        max-height: 190px;
    }

    .cps-block-content_btn-showmore {
        padding-top: 56px;
    }

    .btn-show-more.button__content-show-more {
        font-size: 13px;
    }
}

@media (max-width: 480px) {
    .category-mobile-top {
        padding-top: 10px;
    }

    .category-mobile-top-nav {
        gap: 8px;
    }

    .category-mobile-top-btn {
        min-height: 68px;
    }

    .category-mobile-top-link {
        flex-basis: 68px;
        padding-left: 4px;
        padding-right: 4px;
    }

    .category-mobile-top-icon {
        font-size: 18px;
    }

    .category-mobile-top-text {
        font-size: 12px;
    }

    .breadcrumb {
        padding-top: 10px;
        font-size: 12px;
    }

    .dm-bviet-layout {
        gap: 14px;
    }

    .story-meta,
    .news-item-meta {
        gap: 8px;
    }

    .featured-section-inner,
    .news-section-inner,
    .trending-section-inner,
    .seo-content-inner {
        padding-left: 12px;
        padding-right: 12px;
    }

    .featured-media img {
        height: auto;
        aspect-ratio: 16 / 9;
    }

    .featured-story-badge {
        top: 8px;
        left: 8px;
        min-height: 20px;
        padding: 3px 8px;
        font-size: 10px;
    }

    .featured-story-title {
        font-size: 15px;
        margin-bottom: 6px;
    }
    
    .news-item-title {
        font-size: 13.5px;
    }

    .story-meta {
        font-size: 10.5px;
    }

    .news-list {
        grid-template-columns: 1fr;
        gap: 14px;
    }

    .news-item {
        gap: 0;
    }

    .news-item-excerpt {
        font-size: 12px;
        -webkit-line-clamp: 2;
        line-clamp: 2;
    }

    .news-pagination {
        gap: 4px;
    }

    .page-number,
    .page-nav {
        min-width: 32px;
        height: 32px;
        padding: 0 10px;
        font-size: 12px;
    }

    .trending-hero img {
        height: auto;
        aspect-ratio: 16 / 10;
    }

    .trending-item {
        grid-template-columns: minmax(0, 1fr) 72px;
    }

    .trending-item-title {
        font-size: 12px;
    }

    .trending-thumb img {
        height: 52px;
    }

    .booking-banner strong {
        font-size: 14px;
    }

    .booking-banner small {
        font-size: 11.5px;
    }

    .seo-content-inner.collapsed {
        max-height: 150px;
    }

    .seo-content h2 {
        font-size: 16px;
        margin-top: 18px;
    }

    .btn-show-more.button__content-show-more {
        padding: 8px 16px;
        font-size: 12px;
    }
}