/* WallpaperPC – chuyển từ UI/assets/style.css (mockup desktop, khung 1440: 1px mockup = 1.545px thật)
   + bổ sung: responsive, trang bài viết, archive, phân trang, 404. */
@font-face{font-family:Figtree;font-weight:400;font-display:swap;src:url(../fonts/figtree-latin-400-normal.woff2) format("woff2")}
@font-face{font-family:Figtree;font-weight:500;font-display:swap;src:url(../fonts/figtree-latin-500-normal.woff2) format("woff2")}
@font-face{font-family:Figtree;font-weight:600;font-display:swap;src:url(../fonts/figtree-latin-600-normal.woff2) format("woff2")}
@font-face{font-family:Figtree;font-weight:700;font-display:swap;src:url(../fonts/figtree-latin-700-normal.woff2) format("woff2")}
@font-face{font-family:Figtree;font-weight:800;font-display:swap;src:url(../fonts/figtree-latin-800-normal.woff2) format("woff2")}
:root{
  --bg:#090f1f;--card:#151c2e;--field:#2b3245;--ink:#f5f6fa;--muted:#b7bdcc;
  --line:rgba(255,255,255,.14);--orange:#f97316;--orange-2:#ff8a1f;
  --wrap:1310px;--gutter:64px;--r:16px;
  color-scheme:dark;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-padding-top:16px}
body{margin:0;background:var(--bg);color:var(--ink);font:400 16px/1.4 Figtree,system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;-webkit-font-smoothing:antialiased}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
ul{list-style:none;margin:0;padding:0}
h1,h2,h3,p{margin:0}
button,input,select{font:inherit;color:inherit}
button{cursor:pointer;border:0;background:none;padding:0}
[hidden]{display:none!important}
.icon{width:1em;height:1em;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;flex:none}
.wrap{width:min(var(--wrap),100% - var(--gutter));margin-inline:auto}
.wrap--narrow{--wrap:820px}
:focus-visible{outline:2px solid var(--orange-2);outline-offset:2px}
.screen-reader-text{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.skip-link:focus{position:fixed!important;z-index:100;top:8px;left:8px;width:auto;height:auto;clip:auto;padding:10px 16px;border-radius:8px;background:var(--orange);color:#fff;font-weight:600}

/* HEADER */
.header{position:relative;z-index:20}
.header__in{height:64px;display:flex;align-items:center}
.logo{display:inline-flex;align-items:center;gap:8px;font-size:29px;font-weight:700;letter-spacing:-.5px;flex:none}
.logo svg{width:46px;height:30px}
.logo b{font-weight:700;color:var(--orange-2)}
.nav{margin-left:92px}
.nav__list{display:flex;gap:64px}
.nav__list>li{position:relative}
.nav__list>li>a,.nav__list>li>button{display:flex;align-items:center;gap:6px;height:64px;font-size:18.5px;font-weight:500;position:relative;white-space:nowrap}
.nav__list>li>a:hover,.nav__list>li>button:hover{color:var(--orange-2)}
.nav__list>.current-menu-item>a::after,.nav__list>.current-menu-ancestor>a::after{content:"";position:absolute;left:-5px;right:-5px;bottom:4px;height:3px;border-radius:2px;background:var(--orange)}
.nav .sub-menu{position:absolute;z-index:5;top:58px;left:-12px;min-width:170px;padding:6px;border:1px solid var(--line);border-radius:12px;background:var(--card);opacity:0;visibility:hidden;transition:.15s;box-shadow:0 12px 30px rgba(0,0,0,.35)}
.nav li:hover>.sub-menu,.nav li:focus-within>.sub-menu,.nav li.is-open>.sub-menu{opacity:1;visibility:visible}
.nav .sub-menu a{display:block;padding:8px 12px;border-radius:8px;white-space:nowrap}
.nav .sub-menu a:hover,.nav .sub-menu .current-menu-item>a{background:var(--field)}
.nav [aria-expanded="true"] .icon{transform:rotate(180deg)}
/* Nút icon: vùng bấm 44×44 (chuẩn cảm ứng), icon vẫn 28px */
.h-search,.h-menu{display:flex;align-items:center;justify-content:center;width:44px;height:44px;border-radius:10px;font-size:28px}
.h-search{margin-left:auto;margin-right:-8px}
.h-search:hover,.h-menu:hover{color:var(--orange-2)}
.h-menu{display:none;margin-left:4px;margin-right:-8px}
.h-menu .icon--close,.is-open .h-menu .icon:first-child{display:none}
.is-open .h-menu .icon--close{display:block}
.h-search-panel{padding:8px 0 16px}
.h-search-panel .sbox{margin-top:0}

/* HERO */
.hero{display:grid;grid-template-columns:501px 1fr;gap:24px;padding-top:26px}
/* H1 + mô tả lấy từ Tiêu đề trang / Khẩu hiệu nên độ dài thay đổi: cỡ chữ nhỏ hơn mockup một chút
   và ảnh .pick kéo giãn theo chiều cao cột chữ (min 309px như mockup). */
.hero h1{font-size:44px;line-height:1.12;font-weight:800;letter-spacing:-.6px;margin-top:6px;text-wrap:balance}
.hero__sub{margin-top:12px;font-size:18px;line-height:1.55;color:#d7dbe6}
.sbox{display:flex;align-items:center;gap:14px;height:56px;margin-top:23px;padding:0 20px;border:1px solid var(--line);border-radius:12px;background:var(--field);font-size:24px}
.sbox:focus-within{border-color:var(--orange-2)}
.sbox input{flex:1;min-width:0;align-self:stretch;border:0;outline:0;background:none;font-size:18px}
.sbox input::placeholder{color:#c5cad8}
.sbox input::-webkit-search-cancel-button{filter:invert(1)}
.chips{display:flex;justify-content:space-between;gap:8px;margin-top:24px}
.chip{display:inline-flex;align-items:center;height:38px;padding:0 13px;border:1px solid rgba(255,255,255,.34);border-radius:99px;font-size:15px;font-weight:500;white-space:nowrap}
.chip:hover{border-color:var(--orange-2)}
.chip.on{min-width:56px;justify-content:center;border-color:transparent;background:linear-gradient(180deg,var(--orange-2),var(--orange));font-weight:600}
.chip--s{height:30px;padding:0 12px;font-size:14px}
.pick{position:relative;min-height:309px;border-radius:var(--r);overflow:hidden;background:var(--card)}
.pick img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .4s}
.pick:hover img{transform:scale(1.03)}
.pick span{position:absolute;left:22px;top:16px;display:flex;align-items:center;gap:7px;padding:5px 12px;border-radius:9px;background:rgba(112,62,8,.92);font-size:14px;font-weight:600}
.pick .icon{fill:#fbbf24;stroke:none;font-size:15px}

/* SECTIONS */
.sec-title{font-size:33px;line-height:40px;font-weight:800;letter-spacing:-.3px}
.cols{margin-top:38px}
.cols__grid{display:grid;grid-template-columns:repeat(6,1fr);gap:14px;margin-top:22px}
.col{position:relative;height:161px;border-radius:var(--r);overflow:hidden;background:var(--card)}
.col img{width:100%;height:100%;object-fit:cover;transition:transform .3s}
.col:hover img{transform:scale(1.05)}
.col::after{content:"";position:absolute;inset:50% 0 0;background:linear-gradient(transparent,rgba(7,10,24,.62))}
.col span{position:absolute;z-index:1;inset:auto 8px 12px;text-align:center;font-size:21px;font-weight:700;line-height:1.15}
.latest{margin-top:44px}
.latest__head{display:flex;align-items:center;gap:16px}
.latest__head .sec-title{margin-right:auto}
.sel{position:relative}
.sel select{appearance:none;height:37px;padding:0 42px 0 17px;border:1px solid rgba(255,255,255,.3);border-radius:10px;background:var(--card);font-size:17px;cursor:pointer}
.sel select option{background:var(--card)}
.sel .icon{position:absolute;right:13px;top:10px;pointer-events:none;font-size:17px}

/* CARD */
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:22px}
.wall{border:1px solid rgba(255,255,255,.1);border-radius:var(--r);overflow:hidden;background:var(--card);min-width:0}
.wall__img{position:relative;display:block;height:166px;overflow:hidden;background:var(--field)}
.wall__img img{width:100%;height:100%;object-fit:cover;transition:transform .3s}
.wall:hover img{transform:scale(1.04)}
.wall__ph{display:grid;place-items:center;height:100%;font-size:40px;color:var(--muted)}
.wall__badge{position:absolute;right:10px;bottom:10px;padding:3px 9px;border-radius:7px;background:rgba(9,15,31,.78);font-size:12.5px;font-weight:600}
.wall__cap{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:52px;padding:8px 18px 8px 19px}
.wall__cap>div{min-width:0}
.wall__title{font-size:16px;line-height:20px;font-weight:700;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.wall__title a:hover{color:var(--orange-2)}
.wall p{font-size:14px;line-height:18px;color:var(--muted)}
.dl{display:flex;align-items:center;justify-content:center;flex:none;width:42px;height:42px;margin-right:-8px;border-radius:10px;font-size:26px}
.dl:hover{color:var(--orange-2);background:rgba(255,255,255,.06)}
.empty{grid-column:1/-1;padding:40px;text-align:center;color:var(--muted)}

/* PAGINATION */
.pager{display:flex;justify-content:center;flex-wrap:wrap;gap:8px;margin-top:32px}
.pager .page-numbers{display:grid;place-items:center;min-width:40px;height:40px;padding:0 12px;border:1px solid var(--line);border-radius:10px;font-weight:600}
.pager a.page-numbers:hover{border-color:var(--orange-2);color:var(--orange-2)}
.pager .current{border-color:transparent;background:linear-gradient(180deg,var(--orange-2),var(--orange))}
.pager .dots{border:0}

/* PAGE HEAD (archive, single, page) */
.page-head{padding-top:28px}
.page-title{font-size:42px;line-height:1.15;font-weight:800;letter-spacing:-.5px}
.page-head__desc{max-width:760px;margin-top:12px;color:#d7dbe6;font-size:17px;line-height:1.6}
.page-head__desc p+p{margin-top:.8em}
.page-head__search{max-width:620px}
.rank-math-breadcrumb{margin-bottom:12px;font-size:14px;color:var(--muted)}
.rank-math-breadcrumb a:hover{color:var(--orange-2)}
.rank-math-breadcrumb .separator{margin:0 6px;opacity:.6}
.meta{display:flex;flex-wrap:wrap;align-items:center;gap:8px 18px;margin-top:14px;font-size:15px;color:var(--muted)}
.meta .chip{color:var(--ink)}

/* SINGLE – lưới ảnh trong nội dung */
.entry{margin-top:26px;font-size:17px;line-height:1.7;color:#d7dbe6}
.single .entry{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.single .entry>*:not(figure){grid-column:1/-1;max-width:860px}
.entry figure{margin:0;max-width:100%!important;border:1px solid rgba(255,255,255,.1);border-radius:var(--r);overflow:hidden;background:var(--card)}
.entry figure>a{display:block;overflow:hidden}
.entry figure img{width:100%;height:auto;aspect-ratio:16/9;object-fit:cover;transition:transform .3s}
.entry figure:hover img{transform:scale(1.03)}
.entry figcaption{padding:12px 18px 0;font-size:15px;line-height:1.45;color:var(--ink)}
.fig__bar{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:8px 18px 14px;font-size:14px;color:var(--muted)}
.fig__dl{display:inline-flex;align-items:center;gap:7px;height:34px;padding:0 14px;border-radius:9px;background:linear-gradient(180deg,var(--orange-2),var(--orange));color:#fff;font-weight:600}
.fig__dl:hover{filter:brightness(1.08)}
.fig__dl .icon{font-size:17px}
.entry--text a,.entry>p a{color:var(--orange-2);text-decoration:underline;text-underline-offset:2px}
.entry--text h2{margin:1.6em 0 .5em;font-size:28px;line-height:1.25;color:var(--ink)}
.entry--text h3{margin:1.4em 0 .4em;font-size:22px;color:var(--ink)}
.entry--text p,.entry--text ul,.entry--text ol{margin:0 0 1em}
.entry--text ul{list-style:disc;padding-left:1.4em}
.entry--text ol{padding-left:1.4em}
.entry--text img{border-radius:12px}

/* 404 */
.nf{padding:60px 0 40px;text-align:center}
.nf__code{font-size:96px;line-height:1;font-weight:800;color:var(--orange)}
.nf .page-title{margin-top:10px}
.nf__sub{margin-top:10px;color:var(--muted);font-size:18px}
.nf .sbox{max-width:560px;margin:24px auto 0}
.btn{display:inline-flex;align-items:center;height:44px;margin-top:24px;padding:0 22px;border-radius:12px;background:linear-gradient(180deg,var(--orange-2),var(--orange));font-weight:600}

/* FOOTER */
.footer{margin-top:44px;border-top:1px solid rgba(255,255,255,.09)}
.footer__in{min-height:50px;display:flex;align-items:center;font-size:15px;color:#d7dbe6}
.footer .logo{font-size:20px;color:#fff;gap:6px}
.footer .logo svg{width:32px;height:21px}
.footer__tag{margin-left:22px;padding-left:22px;border-left:1px solid var(--line)}
.footer__menu{margin-left:auto;display:flex}
.footer__menu li+li{margin-left:20px;padding-left:20px;border-left:1px solid var(--line)}
.footer__menu a:hover{color:var(--orange-2)}

/* ============ RESPONSIVE (mockup chỉ có desktop) ============ */
@media (max-width:1240px){
  .nav{margin-left:48px}
  .nav__list{gap:36px}
  .hero{grid-template-columns:440px 1fr}
  .hero h1{font-size:40px}
  .chips{justify-content:flex-start;flex-wrap:wrap}
  .cols__grid{grid-template-columns:repeat(3,1fr)}
}
@media (max-width:1024px){
  .h-menu{display:flex}
  .h-search{margin-right:0}
  .nav{position:absolute;top:64px;left:0;right:0;margin:0;padding:8px 16px 16px;border-bottom:1px solid var(--line);background:var(--bg);display:none}
  .is-open .nav{display:block}
  .nav__list{flex-direction:column;gap:0;width:min(var(--wrap),100%);margin-inline:auto}
  .nav__list>li>a,.nav__list>li>button{height:48px;width:100%}
  .nav__list>.current-menu-item>a::after{left:0;right:auto;width:28px;bottom:6px}
  .nav .sub-menu{position:static;opacity:1;visibility:visible;display:none;min-width:0;margin:0 0 8px;box-shadow:none}
  .nav li.is-open>.sub-menu,.nav .menu-item-has-children:focus-within>.sub-menu{display:block}
  .nav .menu-item-has-children:not(:has(> button))>.sub-menu{display:block}
  /* minmax(0,1fr) + min-width:0: không cho hàng chip (nowrap) kéo giãn cột → tràn ngang trên mobile */
  .hero{grid-template-columns:minmax(0,1fr)}
  .hero>*{min-width:0}
  .pick{height:auto;min-height:0;aspect-ratio:16/7}
  .grid{grid-template-columns:repeat(2,1fr)}
  .single .entry{grid-template-columns:1fr 1fr}
  /* Thẻ hẹp hơn → cho tiêu đề 2 dòng thay vì cắt 1 dòng */
  .wall__title{white-space:normal;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}
}
@media (max-width:640px){
  :root{--gutter:32px;--r:14px}
  .logo{font-size:24px}
  .logo svg{width:38px;height:25px}
  .header__in{height:58px}
  .nav{top:58px}
  .hero{padding-top:14px}
  .hero h1{font-size:30px;line-height:1.15;letter-spacing:-.4px}
  .hero__sub{margin-top:10px;font-size:16px;line-height:1.5}
  .sbox{height:50px;margin-top:18px;padding:0 16px;font-size:20px}
  .sbox input{font-size:16px}
  .chips{margin-top:18px}
  .pick{aspect-ratio:16/9}
  .sec-title{font-size:26px;line-height:32px}
  .page-title{font-size:30px}
  .cols{margin-top:30px}
  .cols__grid{grid-template-columns:repeat(2,1fr);gap:10px}
  .col{height:110px}
  .col span{font-size:17px}
  .latest{margin-top:34px}
  .latest__head{flex-wrap:wrap;gap:10px}
  .latest__head .sec-title{width:100%}
  .sel select{font-size:15px}
  .grid,.single .entry{grid-template-columns:1fr}
  .wall__img{height:auto;aspect-ratio:2/1}
  .entry{font-size:16px}
  .fig__dl{height:40px;padding:0 16px}
  .meta .chip--s{height:34px}
  .footer__in{flex-direction:column;align-items:flex-start;gap:10px;padding:18px 0}
  .footer__tag{margin:0;padding:0;border:0}
  .footer__menu{margin-left:0;flex-wrap:wrap;row-gap:6px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition:none!important;scroll-behavior:auto!important}
}

/* LINK NỘI BỘ TỰ ĐỘNG giữa bài (inc/related.php) */
.single .entry>.rel{max-width:none}
.rel{grid-column:1/-1;padding:18px 20px;border:1px solid var(--line);border-radius:var(--r);background:var(--card)}
.rel__title{margin:0 0 10px;font-size:15px;font-weight:700;letter-spacing:.4px;text-transform:uppercase;color:var(--orange-2)}
.rel__list{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:14px}
.rel__item{display:flex;align-items:center;gap:12px;min-width:0}
.rel__item img{flex:none;width:120px;height:68px;border-radius:10px;object-fit:cover;background:var(--field)}
.rel__text{display:flex;flex-direction:column;min-width:0;line-height:1.3}
.rel__name{font-size:15px;font-weight:600;color:var(--ink);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rel__item:hover .rel__name{color:var(--orange-2)}
.rel__text small{margin-top:3px;font-size:13px;color:var(--muted)}
@media (max-width:1024px){.rel__list{grid-template-columns:1fr}}

/* LOGO ẢNH (Tùy biến → Nhận dạng site → Logo) */
.logo--img{line-height:0}
.logo__img{display:block;width:auto;height:40px;max-width:none}
.footer .logo__img{height:28px}
@media (max-width:640px){.header .logo__img{height:34px}}