/* Trang danh mục / chi tiết / tìm kiếm tin tức */

/* Lưới tin trang danh mục / tìm kiếm — KHÔNG dùng .hdn-news-list (reserved cho sidebar trang chủ) */
.hdn-news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
@media (max-width: 991px) { .hdn-news-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .hdn-news-grid { grid-template-columns: 1fr; } }

/* Article detail — layout 8/4 */
.hdn-article-layout {
    display: grid;
    grid-template-columns: minmax(0, 2fr) minmax(280px, 1fr);
    gap: 28px;
    align-items: start;
}
.hdn-article-layout--full {
    grid-template-columns: 1fr;
}
.hdn-article-main {
    min-width: 0;
}
.hdn-article-sidebar {
    display: flex;
    flex-direction: column;
    gap: 20px;
    position: sticky;
    top: 96px;
}
@media (max-width: 991px) {
    .hdn-article-layout {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    .hdn-article-sidebar {
        position: static;
    }
}

/* Article detail */
.hdn-article-header { margin-bottom: 22px; }
.hdn-article-title { font-size: 28px; font-weight: 800; color: var(--hdn-navy); line-height: 1.35; margin: 0 0 14px; }
.hdn-article-meta { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; font-size: 13.5px; color: var(--hdn-muted); }
.hdn-article-meta span { display: inline-flex; align-items: center; gap: 6px; }
.hdn-article-meta i { color: var(--hdn-gold); }
.hdn-article-featured { border-radius: var(--hdn-radius-lg); overflow: hidden; margin: 22px 0; box-shadow: var(--hdn-shadow-sm); }
.hdn-article-featured img { width: 100%; }
.hdn-article-content { font-size: 16px; color: #33404f; line-height: 1.85; }
.hdn-article-content p { margin: 0 0 18px; }
.hdn-article-content img { border-radius: var(--hdn-radius); margin: 10px 0; }
.hdn-article-content h2, .hdn-article-content h3 { color: var(--hdn-navy); font-weight: 700; margin: 28px 0 14px; }
.hdn-article-content a { color: var(--hdn-navy); font-weight: 600; text-decoration: underline; }
.hdn-article-content blockquote {
    border-left: 4px solid var(--hdn-gold); background: var(--hdn-bg-alt);
    padding: 16px 20px; border-radius: 0 var(--hdn-radius) var(--hdn-radius) 0; margin: 20px 0; color: var(--hdn-navy);
}

/* Sidebar */
.hdn-sidebar-block { background: #fff; border: 1px solid var(--hdn-border); border-radius: var(--hdn-radius-lg); padding: 22px; margin-bottom: 0; }
.hdn-sidebar-title { font-size: 15.5px; font-weight: 700; color: var(--hdn-navy); margin: 0 0 16px; text-transform: uppercase; letter-spacing: .02em; border-bottom: 2px solid var(--hdn-gold); padding-bottom: 10px; }
.hdn-sidebar-item { display: flex; gap: 12px; margin-bottom: 14px; align-items: flex-start; }
.hdn-sidebar-item:last-child { margin-bottom: 0; }
.hdn-sidebar-thumb { width: 72px; height: 56px; flex-shrink: 0; border-radius: var(--hdn-radius-sm); overflow: hidden; background: var(--hdn-bg-alt); display: block; }
.hdn-sidebar-thumb img { width: 100%; height: 100%; object-fit: cover; }
.hdn-sidebar-item > div { flex: 1; min-width: 0; }
.hdn-sidebar-item-title { font-size: 13.5px; font-weight: 600; color: var(--hdn-navy); line-height: 1.45; margin: 0 0 4px; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.hdn-sidebar-item-title a:hover { color: var(--hdn-gold); }
.hdn-sidebar-item-date { font-size: 12px; color: var(--hdn-muted); }

.hdn-share-row { display: flex; align-items: center; gap: 10px; margin-top: 26px; padding-top: 20px; border-top: 1px solid var(--hdn-border); }
.hdn-share-row span { font-size: 13.5px; font-weight: 600; color: var(--hdn-navy); }
.hdn-share-row a {
    width: 34px; height: 34px; border-radius: 50%; background: var(--hdn-bg-alt);
    display: flex; align-items: center; justify-content: center; color: var(--hdn-navy); font-size: 13px;
}
.hdn-share-row a:hover { background: var(--hdn-navy); color: #fff; }

.hdn-news-search-form { max-width: 520px; margin: 22px auto 0; display: flex; gap: 10px; }
.hdn-news-search-form input { flex: 1; height: 48px; border-radius: 999px; border: none; padding: 0 20px; font-size: 14.5px; }
.hdn-news-search-form button { height: 48px; padding: 0 22px; border-radius: 999px; border: none; background: var(--hdn-gold); color: var(--hdn-navy-dark); font-weight: 700; cursor: pointer; }