/* ============================================================
   Kira Tin Tức AI 24h — main.css
   Layout magazine, responsive, accessible.
   ============================================================ */
:root{
	--ink:#0f172a; --muted:#64748b; --line:#e2e8f0; --bg:#f8fafc; --card:#ffffff;
	--brand:#4f46e5; --brand-2:#06b6d4; --brand-3:#7c3aed; --accent:#f59e0b;
	--dark:#0b1020; --dark-2:#111a33;
	--radius:14px; --radius-sm:10px; --shadow:0 6px 24px rgba(15,23,42,.08);
	--shadow-lg:0 18px 48px rgba(15,23,42,.14); --maxw:1200px;
}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 20px}
.site-content{padding:28px 0 44px}
img{border-radius:inherit}

/* ---------- Topbar ---------- */
.topbar{background:var(--dark);color:#cbd5e1;font-size:.82rem}
.topbar-inner{display:flex;justify-content:space-between;align-items:center;height:40px;gap:12px}
.topbar-tag{color:#94a3b8}
@media(max-width:680px){.topbar-tag{display:none}}

/* ---------- Header ---------- */
.site-header{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:50}
.header-inner{display:flex;align-items:center;gap:20px;min-height:84px}
.site-branding img,.custom-logo{height:56px;width:auto}
.site-branding .custom-logo-link{display:inline-block}
.main-navigation{margin-left:auto}
.primary-menu{list-style:none;margin:0;padding:0;display:flex;gap:4px;align-items:center}
.primary-menu li{position:relative}
.primary-menu a{display:block;padding:10px 14px;color:var(--ink);font-weight:600;font-size:.95rem;border-radius:8px;text-decoration:none}
.primary-menu a:hover,.primary-menu .current-menu-item>a,.primary-menu .current-cat>a{color:var(--brand);background:#eef2ff}
.primary-menu .sub-menu{position:absolute;top:100%;left:0;min-width:200px;background:#fff;box-shadow:var(--shadow);border-radius:10px;padding:8px;display:none;list-style:none;margin:0;z-index:60}
.primary-menu li:hover>.sub-menu{display:block}
.menu-toggle{display:none}
.header-search{position:relative}
.search-toggle,.menu-toggle{background:#eef2ff;border:none;border-radius:8px;width:42px;height:42px;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;color:var(--brand)}
.ic{width:20px;height:20px;fill:currentColor;flex:none}
.header-search-form{position:absolute;right:0;top:54px;background:#fff;box-shadow:var(--shadow);border-radius:12px;padding:14px;width:320px;z-index:60}

/* ---------- Search form ---------- */
.search-form{display:flex;gap:8px}
.search-field{flex:1;border:1px solid var(--line);border-radius:8px;padding:11px 12px;font:inherit;background:#fff}
.search-field:focus{outline:2px solid var(--brand);border-color:var(--brand)}
.search-submit{border:none;background:var(--brand);color:#fff;border-radius:8px;padding:0 14px;cursor:pointer;display:inline-flex;align-items:center}
.search-submit:hover{background:#4338ca}

/* ---------- Layout wrap ---------- */
.content-area-wrap{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:40px;align-items:start}
.content-area-wrap.no-aside{grid-template-columns:minmax(0,1fr)}
@media(max-width:980px){.content-area-wrap{grid-template-columns:1fr}}

/* ---------- Breadcrumbs ---------- */
.breadcrumbs{margin:0 0 18px;font-size:.85rem;color:var(--muted)}
.breadcrumbs ol{list-style:none;display:flex;flex-wrap:wrap;gap:6px;margin:0;padding:0}
.breadcrumbs li:not(:last-child)::after{content:"/";margin-left:6px;color:#cbd5e1}
.breadcrumbs a{color:var(--muted)}
.breadcrumbs a:hover{color:var(--brand)}

/* ---------- Section heads ---------- */
.section-title{font-size:1.5rem;margin:0}
.section-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin:0 0 18px;padding-bottom:10px;border-bottom:2px solid var(--line);position:relative}
.section-head::before{content:"";position:absolute;left:0;bottom:-2px;width:64px;height:2px;background:linear-gradient(90deg,var(--brand),var(--brand-2))}
.section-head .section-title a{color:var(--ink)}
.section-more{font-size:.9rem;font-weight:600;white-space:nowrap}
.home-section{margin:38px 0}

/* ---------- Hero slider ---------- */
.hero-slider{position:relative;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-lg);margin-bottom:8px}
.slide{position:relative}
.slide-media{display:block;aspect-ratio:16/8;background:#0b1020}
.slide-media img{width:100%;height:100%;object-fit:cover;border-radius:0}
.slide-caption{position:absolute;left:0;right:0;bottom:0;padding:34px;background:linear-gradient(0deg,rgba(8,12,28,.92),rgba(8,12,28,0));color:#fff}
.slide-title{font-size:2rem;line-height:1.2;margin:.3em 0}
.slide-title a{color:#fff}
.slide-title a:hover{color:var(--brand-2);text-decoration:none}
.slide-excerpt{color:#cbd5e1;max-width:60ch;margin:0 0 .4em}
.slide-meta{font-size:.85rem;color:#94a3b8}
.slider-dots{position:absolute;right:24px;bottom:24px;display:flex;gap:8px;z-index:3}
.slider-dots .dot{width:11px;height:11px;border-radius:50%;border:2px solid #fff;background:transparent;cursor:pointer;padding:0}
.slider-dots .dot.is-active{background:#fff}
@media(max-width:680px){.slide-title{font-size:1.3rem}.slide-caption{padding:18px}.slide-excerpt{display:none}}

/* ---------- Cards / grid ---------- */
.card-grid{display:grid;gap:24px}
.grid-3{grid-template-columns:repeat(3,1fr)}
@media(max-width:880px){.grid-3{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.grid-3,.card-grid{grid-template-columns:1fr}}
.post-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column;transition:transform .18s,box-shadow .18s}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.entry-thumb{display:block;aspect-ratio:16/10;overflow:hidden;background:#eef2ff}
.entry-thumb img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform .4s}
.post-card:hover .entry-thumb img{transform:scale(1.05)}
.card-body{padding:16px 18px 20px;display:flex;flex-direction:column;gap:8px;flex:1}
.card-title{font-size:1.12rem;line-height:1.35;margin:0}
.card-title a{color:var(--ink)}
.card-title a:hover{color:var(--brand)}
.card-excerpt{color:var(--muted);font-size:.92rem;margin:0;flex:1}
.card-meta{font-size:.82rem;color:var(--muted);display:flex;align-items:center;gap:6px}
.entry-cats{display:flex;flex-wrap:wrap;gap:6px}
.cat-pill{display:inline-block;font-size:.72rem;font-weight:700;text-transform:uppercase;letter-spacing:.03em;color:var(--brand);background:#eef2ff;padding:4px 9px;border-radius:999px}
.cat-pill:hover{background:var(--brand);color:#fff;text-decoration:none}

/* ---------- Post list (archive/blog) ---------- */
.post-list{display:flex;flex-direction:column;gap:26px}
.post-list-item{display:grid;grid-template-columns:300px 1fr;gap:22px;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.post-list-item .entry-thumb{aspect-ratio:4/3;height:100%}
.list-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px}
.post-list-item .entry-title{font-size:1.35rem;margin:0}
.post-list-item .entry-title a{color:var(--ink)}
.post-list-item .entry-title a:hover{color:var(--brand)}
.entry-meta{display:flex;flex-wrap:wrap;gap:14px;font-size:.83rem;color:var(--muted);align-items:center}
.entry-meta .ic{width:15px;height:15px;vertical-align:-2px;margin-right:4px;fill:var(--brand)}
.entry-meta .posted-on,.entry-meta .byline,.entry-meta .reading-time{display:inline-flex;align-items:center}
.entry-summary{color:#475569;margin:0}
.read-more{font-weight:600;align-self:flex-start}
@media(max-width:680px){.post-list-item{grid-template-columns:1fr}.post-list-item .entry-thumb{aspect-ratio:16/9}}

/* ---------- Single ---------- */
.single-main .single-post,.page-main .single-page{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:32px;box-shadow:var(--shadow)}
.entry-header .entry-title,.page-header .entry-title{font-size:2.1rem;line-height:1.22;margin:.2em 0 .3em}
.entry-lead{font-size:1.12rem;color:#475569;font-weight:500}
.entry-featured{margin:22px 0;border-radius:var(--radius);overflow:hidden}
.entry-featured img{width:100%;object-fit:cover}
.entry-content{font-size:1.05rem;line-height:1.8;color:#1f2937}
.entry-content h2{font-size:1.5rem;margin:1.4em 0 .5em;padding-left:14px;border-left:4px solid var(--brand)}
.entry-content h3{font-size:1.22rem;margin:1.2em 0 .4em}
.entry-content ul,.entry-content ol{padding-left:1.3em;margin:0 0 1.2em}
.entry-content li{margin:.3em 0}
.entry-content a{text-decoration:underline}
.entry-content blockquote{margin:1.4em 0;padding:14px 20px;border-left:4px solid var(--brand-2);background:#f0f9ff;border-radius:8px;color:#0c4a6e}
.entry-content img{border-radius:var(--radius);margin:1em 0}
.entry-footer{margin-top:26px;padding-top:20px;border-top:1px solid var(--line);display:flex;flex-wrap:wrap;gap:16px;justify-content:space-between;align-items:center}
.entry-tags .tags-label{font-weight:700;color:var(--muted)}
.entry-tags a{display:inline-block;font-size:.83rem;background:#f1f5f9;padding:4px 10px;border-radius:999px;margin:2px;color:#475569}
.entry-share{display:flex;align-items:center;gap:10px;font-size:.85rem}
.entry-share a{font-weight:600;padding:6px 12px;border-radius:8px;color:#fff}
.share-fb{background:#1877f2}.share-x{background:#0f172a}

/* ---------- Related ---------- */
.related-posts{margin-top:34px}
.related-posts .section-title{font-size:1.35rem;margin-bottom:16px;padding-bottom:10px;border-bottom:2px solid var(--line)}

/* ---------- Category hero ---------- */
.category-hero{border-radius:var(--radius);padding:48px 36px;color:#fff;margin-bottom:28px;background-size:cover;background-position:center}
.category-hero .eyebrow{display:inline-block;font-size:.78rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--brand-2);background:rgba(255,255,255,.12);padding:5px 12px;border-radius:999px}
.category-hero .page-title{font-size:2.3rem;color:#fff;margin:.35em 0 .25em}
.category-hero .archive-desc{color:#e2e8f0;max-width:70ch}
.category-hero .archive-count{color:#94a3b8;font-size:.88rem;margin:.6em 0 0}

/* ---------- Archive head ---------- */
.archive-head{margin-bottom:24px}
.archive-head .page-title{font-size:2rem}
.archive-desc{color:var(--muted)}
.home-banner{margin:36px 0;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.home-banner img{width:100%;display:block}

/* ---------- Sidebar ---------- */
.sidebar{display:flex;flex-direction:column;gap:24px;position:sticky;top:104px}
.widget{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:20px}
.widget-title{font-size:1.05rem;margin:0 0 14px;padding-bottom:10px;border-bottom:2px solid var(--line);position:relative}
.widget-title::after{content:"";position:absolute;left:0;bottom:-2px;width:42px;height:2px;background:var(--brand)}
.widget ul{list-style:none;margin:0;padding:0}
.widget_categories li,.widget_recent_entries .recent-list>li{padding:8px 0;border-bottom:1px dashed var(--line)}
.widget_categories a{color:var(--ink)}.widget_categories a:hover{color:var(--brand)}
.recent-item{display:flex;gap:12px;align-items:flex-start;padding:10px 0;border-bottom:1px dashed var(--line)}
.recent-thumb{flex:none;width:74px;height:56px;border-radius:8px;overflow:hidden}
.recent-thumb img{width:100%;height:100%;object-fit:cover;border-radius:0}
.recent-meta a{font-weight:600;font-size:.92rem;color:var(--ink);display:block;line-height:1.35}
.recent-meta a:hover{color:var(--brand)}
.recent-meta time{font-size:.78rem;color:var(--muted)}
.widget_banner{padding:0;border:none}
.widget_banner img{border-radius:var(--radius);width:100%}

/* ---------- Pagination ---------- */
.pagination,.comments-pagination{margin:34px 0 0}
.pagination .nav-links,.comments-pagination .nav-links{display:flex;flex-wrap:wrap;gap:8px;justify-content:center}
.pagination a,.pagination span,.comments-pagination a,.comments-pagination span{display:inline-flex;align-items:center;justify-content:center;min-width:42px;height:42px;padding:0 12px;border-radius:8px;border:1px solid var(--line);background:#fff;color:var(--ink);font-weight:600}
.pagination a:hover{background:#eef2ff;color:var(--brand);text-decoration:none}
.pagination .current{background:var(--brand);color:#fff;border-color:var(--brand)}

/* ---------- Buttons ---------- */
.btn-primary,.btn-primary[type=submit],.comment-form .submit{display:inline-block;background:linear-gradient(90deg,var(--brand),var(--brand-3));color:#fff;border:none;border-radius:10px;padding:12px 22px;font-weight:700;cursor:pointer;text-decoration:none}
.btn-primary:hover{filter:brightness(1.07);text-decoration:none;color:#fff}

/* ---------- 404 ---------- */
.error-404-inner{text-align:center;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:48px 24px;box-shadow:var(--shadow)}
.error-code{font-size:5rem;font-weight:800;background:linear-gradient(90deg,var(--brand),var(--brand-2));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;line-height:1}
.error-search{max-width:420px;margin:18px auto}
.error-suggest{margin-top:40px}

/* ---------- Comments ---------- */
.comments-area{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:28px;margin-top:28px}
.comments-title,.comment-reply-title{font-size:1.3rem;margin-bottom:16px}
.comment-list{list-style:none;margin:0 0 20px;padding:0}
.comment-list ol{list-style:none}
.comment-body{padding:14px 0;border-bottom:1px solid var(--line)}
.comment-form input[type=text],.comment-form input[type=email],.comment-form input[type=url],.comment-form textarea{width:100%;border:1px solid var(--line);border-radius:8px;padding:11px 12px;font:inherit;margin-top:4px}
.comment-form textarea{min-height:120px}

/* ---------- Newsletter (footer) ---------- */
.newsletter-form{display:flex;gap:8px;margin-top:10px}
.newsletter-form input{flex:1;border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.06);color:#fff;border-radius:8px;padding:11px 12px;font:inherit}
.newsletter-form input::placeholder{color:#94a3b8}
.newsletter-form button{border:none;background:var(--accent);color:#1f2937;font-weight:700;border-radius:8px;padding:0 16px;cursor:pointer}

/* ---------- Footer ---------- */
.site-footer{background:var(--dark);color:#cbd5e1;margin-top:50px}
.footer-widgets{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.3fr;gap:34px;padding:48px 20px 38px}
.footer-col .widget-title,.footer-col h2{color:#fff;font-size:1.02rem;border-bottom:1px solid rgba(255,255,255,.12);padding-bottom:10px;margin-bottom:14px}
.footer-col ul{list-style:none;margin:0;padding:0}
.footer-col li{padding:6px 0}
.footer-col a{color:#cbd5e1}.footer-col a:hover{color:#fff}
.footer-logo{height:46px;width:auto;margin-bottom:14px}
.footer-menu{list-style:none;margin:0;padding:0}
.footer-contact{color:#94a3b8;font-size:.9rem}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1)}
.footer-bottom-inner{display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;padding:18px 20px;font-size:.82rem;color:#94a3b8}
@media(max-width:980px){.footer-widgets{grid-template-columns:1fr 1fr}}
@media(max-width:560px){.footer-widgets{grid-template-columns:1fr}}

/* ---------- Back to top ---------- */
.back-to-top{position:fixed;right:22px;bottom:22px;width:46px;height:46px;border-radius:50%;border:none;background:var(--brand);color:#fff;font-size:1.3rem;cursor:pointer;box-shadow:var(--shadow-lg);z-index:60;opacity:0;transform:translateY(12px);transition:.25s}
.back-to-top.show{opacity:1;transform:none}

/* ---------- Mobile nav ---------- */
@media(max-width:980px){
	.menu-toggle{display:inline-flex}
	.main-navigation{margin-left:auto;order:3}
	.primary-menu{position:absolute;left:0;right:0;top:100%;flex-direction:column;background:#fff;box-shadow:var(--shadow);padding:10px;gap:2px;display:none;border-top:1px solid var(--line)}
	.main-navigation.is-open .primary-menu{display:flex}
	.primary-menu .sub-menu{position:static;display:block;box-shadow:none;padding-left:14px}
	.menu-toggle-bar,.menu-toggle-bar::before,.menu-toggle-bar::after{display:block;width:20px;height:2px;background:var(--brand);position:relative;transition:.2s}
	.menu-toggle-bar::before{content:"";position:absolute;top:-6px}
	.menu-toggle-bar::after{content:"";position:absolute;top:6px}
	.header-inner{position:relative;flex-wrap:wrap;min-height:70px}
}

/* ---------- Gradient placeholders (ảnh featured tải runtime; gradient là dự phòng) ---------- */
.entry-thumb{position:relative}
.thumb-ph{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;padding:16px;text-align:center;
	background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#fff}
.thumb-ph::after{content:"";position:absolute;inset:0;background:
	radial-gradient(circle at 78% 22%,rgba(255,255,255,.22),transparent 40%),
	radial-gradient(circle at 12% 88%,rgba(124,58,237,.35),transparent 45%)}
.thumb-ph-mark{position:relative;z-index:2;width:46px;height:46px;border-radius:12px;
	background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.35)}
.thumb-ph-mark::before{content:"";position:absolute;inset:11px;border-radius:50%;
	background:radial-gradient(circle,#fff 0 28%,transparent 30%),
		conic-gradient(from 0deg,rgba(255,255,255,.9),rgba(255,255,255,.2),rgba(255,255,255,.9))}
.thumb-ph-label{position:relative;z-index:2;font-weight:700;font-size:.92rem;letter-spacing:.02em;
	text-shadow:0 1px 3px rgba(0,0,0,.25)}
.thumb-ph-tri-tue-nhan-tao{background:linear-gradient(135deg,#4f46e5,#7c3aed)}
.thumb-ph-cong-nghe{background:linear-gradient(135deg,#0ea5e9,#2563eb)}
.thumb-ph-ung-dung-ai{background:linear-gradient(135deg,#2563eb,#06b6d4)}
.thumb-ph-khoi-nghiep{background:linear-gradient(135deg,#6d28d9,#db2777)}
.thumb-ph-chuyen-doi-so{background:linear-gradient(135deg,#1d4ed8,#0891b2)}

/* category hero gradient theo slug */
.category-hero{background:linear-gradient(120deg,#1e1b4b,#4f46e5)}
.cat-hero-tri-tue-nhan-tao{background:linear-gradient(120deg,#1e1b4b,#6d28d9)}
.cat-hero-cong-nghe{background:linear-gradient(120deg,#082f49,#0369a1)}
.cat-hero-ung-dung-ai{background:linear-gradient(120deg,#0c2461,#0891b2)}
.cat-hero-khoi-nghiep{background:linear-gradient(120deg,#3b0764,#be185d)}
.cat-hero-chuyen-doi-so{background:linear-gradient(120deg,#0b2a4a,#1d4ed8)}

/* ---------- CTA banner (thay banner ảnh) ---------- */
.cta-banner{background:linear-gradient(120deg,#111a33,#4f46e5);color:#fff;border-radius:var(--radius);box-shadow:var(--shadow)}
.cta-banner-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;padding:30px 34px}
.cta-banner h2{color:#fff;margin:0 0 .3em;font-size:1.5rem}
.cta-banner p{color:#cbd5e1;margin:0;max-width:54ch}
.widget_cta{background:linear-gradient(135deg,#111a33,#4f46e5);color:#fff}
.widget_cta .cta-title{color:#fff;font-size:1.05rem;margin:0 0 8px}
.widget_cta p{color:#dbeafe;font-size:.92rem}
.widget_cta .btn-primary{margin-top:6px;background:#fff;color:#4338ca}
.widget_cta .btn-primary:hover{color:#3730a3}


/* KIRA_LOGO_REFRESH_START */
.site-logo img,.navbar-brand img,.custom-logo-link img,img.custom-logo{height:75px!important;width:auto!important;max-width:min(300px,48vw)!important;object-fit:contain!important;}
.site-footer img.flogo,footer img[src*='logo-light-kira-'],footer img[src*='logo-light.png']{height:69px!important;width:auto!important;max-width:min(290px,55vw)!important;object-fit:contain!important;}
@media(max-width:680px){.site-logo img,.navbar-brand img,.custom-logo-link img,img.custom-logo{height:58px!important;max-width:62vw!important}.site-footer img.flogo,footer img[src*='logo-light-kira-'],footer img[src*='logo-light.png']{height:54px!important;max-width:70vw!important}}
/* KIRA_LOGO_REFRESH_END */