/*
Theme Name: Huấn Giáo
Theme URI: https://huangiao.com/
Author: Huấn Giáo
Description: Giao diện riêng, kế thừa nhận diện và bố cục Huangiao trên WordPress.
Version: 1.0.0
Requires at least: 6.8
Requires PHP: 8.3
Text Domain: huangiao
*/
:root{--accent:#ee930c;--ink:#242424;--muted:#777;--line:#e8e8e8;--dark:#151515}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);font-family:Arial,Helvetica,sans-serif;font-size:15px;line-height:1.65;background:#fff}a{color:inherit;text-decoration:none}a:hover{color:var(--accent)}button,input{font:inherit}button,a,input{touch-action:manipulation}button{cursor:pointer}button:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid #e6a731;outline-offset:3px}img{max-width:100%;height:auto}picture{display:block}h1,h2,h3,p{margin:0 0 14px}button{border:0}ul{padding:0;list-style:none}.container{max-width:1140px;padding:0 15px;margin:0 auto}.topbar{background:#142024;color:var(--accent);font-size:13px}.topbar .container{min-height:40px;display:flex;align-items:center;gap:22px}.topbar span{color:#aaa;margin-left:auto;font-size:12px}.site-header{background:var(--dark);color:#fff}.brand{padding-top:20px}.brand img{width:875px;height:auto;display:block}.nav-bar{background:#000;margin-top:16px;position:relative;z-index:20}.nav-layout{display:flex;align-items:stretch;min-height:58px}.main-menu{display:flex;align-items:stretch;margin:0;gap:0}.main-menu>li{display:flex;align-items:center;position:relative}.main-menu a{display:block;padding:17px 10px;font-size:14px;font-weight:700}.main-menu>li:first-child>a{padding-left:0;color:var(--accent)}.main-menu>li>a{text-transform:uppercase;white-space:nowrap}.submenu-toggle{background:transparent;color:inherit;padding:4px 5px 4px 0;line-height:1}.sub-menu{display:none;position:absolute;top:100%;left:0;background:#181818;box-shadow:0 7px 16px #0003;min-width:255px;max-width:300px;margin:0;border-top:2px solid var(--accent);padding:6px 0;color:#eee}.sub-menu li{position:relative;display:flex;align-items:center}.sub-menu a{font-size:14px;font-weight:400;padding:9px 16px;line-height:1.5;flex:1}.sub-menu .submenu-toggle{padding:10px}.sub-menu .sub-menu{left:100%;top:-8px}.main-menu>li:nth-last-child(-n+4) .sub-menu .sub-menu{left:auto;right:100%}.menu-item-has-children:hover>.sub-menu,.menu-item-has-children:focus-within>.sub-menu,.menu-item-has-children.expanded>.sub-menu{display:block}.search-toggle{margin-left:auto;background:transparent;color:#fff;font-size:30px;padding:0 12px;line-height:1}.mobile-toggle{display:none}.header-search{padding-top:12px;padding-bottom:16px}.header-search .search-form{max-width:600px;margin-left:auto}.site-main{padding-top:70px;padding-bottom:70px;min-height:55vh}.hero{display:grid;grid-template-columns:minmax(0,4fr) minmax(0,1fr);height:500px;background:#222;margin-bottom:65px}.hero-stage{position:relative;min-width:0;overflow:hidden}.hero-slide{height:100%;position:relative}.hero-slide>a{display:block;height:100%;color:white}.hero-slide img{width:100%;height:100%;object-fit:cover}.hero-caption{position:absolute;left:0;right:0;bottom:0;padding:21px 22px 16px;background:linear-gradient(transparent,#000d);text-shadow:0 1px 2px #000}.hero-caption h1{font-size:24px;line-height:1.45;color:#f1a53b;margin:0 0 10px}.hero-caption p{margin:0;font-size:14px}.hero-controls{position:absolute;top:42%;left:0;right:0;display:flex;justify-content:space-between;pointer-events:none}.hero-controls button{pointer-events:auto;background:#0007;color:white;font-size:34px;padding:1px 12px}.hero-list{display:grid;grid-template-rows:repeat(5,minmax(0,1fr));overflow:hidden}.hero-list button{background:#252525;color:#eaa044;padding:12px 10px;text-align:left;font-size:13px;line-height:1.4;border-bottom:1px solid #555;overflow:hidden;display:block}.hero-list button[aria-pressed=true]{background:#505050;box-shadow:inset 3px 0 var(--accent)}.hero-list img{width:60px;height:45px;object-fit:cover;float:left;margin:0 9px 3px 0}.hero-list span{display:-webkit-box;-webkit-line-clamp:4;-webkit-box-orient:vertical;overflow:hidden}.home-columns{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:30px;margin-bottom:48px}.home-columns.two-columns{grid-template-columns:repeat(2,minmax(0,1fr))}.home-columns:last-child{margin-bottom:0}.section-title{font-size:17px;font-weight:700;text-transform:uppercase;color:var(--accent);border-bottom:2px solid var(--accent);padding-bottom:12px;margin-bottom:20px;line-height:1.4}.news-card{margin-bottom:22px}.news-card h3{font-size:16px;line-height:1.45;margin:0 0 10px;font-weight:700}.card-image{display:block;overflow:hidden;background:#f3f1ed}.card-image img{display:block;width:100%;aspect-ratio:1.6;object-fit:cover;transition:transform .2s}.card-image:hover img{transform:scale(1.03)}.lead .card-image{margin-bottom:13px}.excerpt{font-size:14px;color:#555;line-height:1.75;margin-bottom:8px}.post-meta{color:#888;font-size:12px;margin:7px 0 0}.compact{display:grid;grid-template-columns:100px minmax(0,1fr);gap:13px;align-items:start}.compact h3{font-size:14px;margin:0 0 5px}.compact .card-image img{aspect-ratio:1.5}.compact .post-meta{font-size:11px}.view-all,.read-more{color:var(--accent);font-size:13px;font-weight:bold}.view-all{display:inline-block;padding:4px 0}.quick-links>a{display:block;margin-bottom:12px}.quick-links img{width:100%;display:block}.sidebar-search{margin-top:24px;padding:20px;background:#f6f6f6}.sidebar-search h3{font-size:16px}.sidebar-search p{font-size:13px;color:#777;margin:12px 0 0}.search-form{display:flex;gap:0;min-width:0}.search-form label{flex:1;min-width:0}.search-form input{width:100%;min-width:0;border:1px solid #d6d6d6;padding:10px 12px;background:white;color:#222;border-radius:0}.search-form button{padding:10px 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var(--line);margin-bottom:30px}.print-button{margin-left:auto;background:#f5f5f5;color:#666;font-size:12px;padding:5px 12px}.entry-content{font-size:17px;line-height:1.9;overflow-wrap:anywhere}.entry-content p{margin-bottom:18px}.entry-content img{max-width:100%!important;height:auto!important}.entry-content table{display:block;max-width:100%;overflow:auto}.entry-content iframe{max-width:100%;border:0}.entry-content h2{font-size:24px}.entry-content h3{font-size:21px}.entry-content a{color:#aa6500;text-decoration:underline}.entry-content [style*="width"]{max-width:100%}.entry-content::after{content:"";display:table;clear:both}.hg-video{position:relative;aspect-ratio:16/9;margin:25px 0}.hg-video iframe{width:100%;height:100%;position:absolute;inset:0}.article-categories{margin-top:30px;font-size:13px;color:#a56810;border-top:1px solid var(--line);padding-top:20px}.post-navigation{margin-top:30px;border-top:1px solid var(--line);padding-top:20px;font-size:14px}.nav-links{display:flex;gap:20px;justify-content:space-between}.nav-next{text-align:right}.article-sidebar>section{margin-bottom:34px}.sidebar-categories{margin:0}.sidebar-categories li a{display:block;border-bottom:1px solid var(--line);padding:10px 0}.category-chips{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:24px}.category-chips a{background:#f6f3ef;border:1px solid #e9e1d8;padding:6px 12px;font-size:13px}.archive-card{display:grid;grid-template-columns:220px minmax(0,1fr);gap:22px;border-bottom:1px solid var(--line);padding-bottom:25px;margin-bottom:25px}.archive-card h2{font-size:20px;line-height:1.45;margin-bottom:5px}.archive-card p:not(.post-meta){font-size:14px;color:#666;margin:10px 0}.archive-card .card-image{align-self:start}.pagination{margin-top:35px}.page-numbers{padding:6px 11px;border:1px solid #eee;display:inline-block;font-size:14px}.page-numbers.current{background:var(--accent);color:#111}.empty-state{padding:40px 0;min-height:280px}.empty-state .search-form{max-width:550px;margin:20px 0}.screen-reader-text,.skip-link:not(:focus){position:absolute;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;z-index:100;top:10px;left:10px;background:#fff;color:#000;padding:12px}.image-placeholder{display:grid;place-items:center;min-height:110px;font-size:40px;color:#b6a68c;background:#f2ece2}[hidden]{display:none!important}
@media(min-width:1101px){#primary-nav{display:block!important}}
@media(max-width:1100px){.mobile-toggle{display:flex;align-items:center;gap:10px;background:none;color:white;padding:12px 0;font-size:19px}.mobile-toggle span{font-size:15px}.nav-layout{position:relative;flex-wrap:wrap;min-height:52px}#primary-nav{display:none;order:3;flex-basis:100%;padding-bottom:12px}#primary-nav.is-open{display:block}.main-menu{display:block}.main-menu>li{display:flex;flex-wrap:wrap;border-top:1px solid #252525}.main-menu>li>a{padding:11px 0!important;font-size:14px;flex:1}.main-menu .submenu-toggle{padding:12px 16px}.sub-menu{position:static!important;min-width:0;max-width:none;width:100%;flex-basis:100%;border-top:0;box-shadow:none;padding:0 0 0 14px}.sub-menu li{flex-wrap:wrap}.sub-menu a{font-size:14px;padding:9px 8px}.menu-item-has-children:hover>.sub-menu,.menu-item-has-children:focus-within>.sub-menu{display:none}.menu-item-has-children.expanded>.sub-menu{display:block}.site-main{padding-top:40px}.hero{height:420px;grid-template-columns:minmax(0,3fr) minmax(0,1fr)}.hero-caption h1{font-size:21px}.home-columns{gap:22px}.content-layout{gap:25px;grid-template-columns:minmax(0,2.6fr) minmax(210px,1fr)}.archive-card{grid-template-columns:160px minmax(0,1fr)}.breadcrumbs{margin-top:-10px}}
@media(max-width:760px){body{font-size:14px}.topbar .container{min-height:34px;font-size:11px}.topbar span{display:none}.brand{padding-top:12px}.brand img{width:100%}.nav-bar{margin-top:12px}.site-main{padding-top:25px;padding-bottom:40px}.hero{grid-template-columns:1fr;height:auto;margin-bottom:35px}.hero-stage{height:340px}.hero-caption{padding:25px 16px 14px}.hero-caption h1{font-size:19px}.hero-caption p{font-size:12px}.hero-list{grid-template-columns:repeat(5,minmax(0,1fr));grid-template-rows:1fr;height:78px}.hero-list button{padding:5px;border-bottom:0;border-right:1px solid #555}.hero-list img{float:none;width:100%;height:100%;object-fit:cover;margin:0}.hero-list span{display:none}.hero-list button[aria-pressed=true]{box-shadow:inset 0 3px var(--accent)}.home-columns,.home-columns.two-columns{grid-template-columns:1fr 1fr;gap:28px 20px;margin-bottom:35px}.first-row .quick-links{grid-column:1/-1;display:grid;grid-template-columns:1fr 1fr;gap:10px 18px}.quick-links .section-title{grid-column:1/-1;margin:0 0 8px}.quick-links>a{margin:0}.sidebar-search{grid-column:1/-1;margin-top:10px}.home-columns>.news-section:last-child:nth-child(3){grid-column:1/-1}.compact{grid-template-columns:80px minmax(0,1fr);gap:10px}.compact h3{font-size:13px}.section-title{font-size:16px}.news-card h3{font-size:15px}.excerpt{font-size:13px}.content-layout{grid-template-columns:1fr}.article-sidebar{padding-top:20px;border-top:1px solid var(--line)}.article-sidebar>section{max-width:none}.article-detail h1,.archive-title{font-size:26px}.entry-content{font-size:16px;line-height:1.85}.archive-card{grid-template-columns:160px minmax(0,1fr);gap:16px}.archive-card h2{font-size:18px}.footer-main{grid-template-columns:1fr;gap:25px}.copyright .container{display:block}.copyright span{display:block;margin-top:5px}.breadcrumbs{margin-top:0;font-size:12px}.nav-links{display:block}.nav-next{text-align:left;margin-top:18px}}
@media(max-width:480px){.container{padding-left:16px;padding-right:16px}.hero-stage{height:290px}.hero-caption h1{font-size:18px}.hero-caption p{display:none}.hero-list{height:58px}.home-columns,.home-columns.two-columns{grid-template-columns:1fr;gap:35px}.home-columns>.news-section:last-child:nth-child(3){grid-column:auto}.home-columns .quick-links{grid-column:auto}.compact{grid-template-columns:100px minmax(0,1fr);gap:13px}.compact h3{font-size:14px}.news-card h3{font-size:17px}.lead .card-image img{aspect-ratio:1.8}.excerpt{font-size:14px}.section-title{font-size:17px}.archive-card{grid-template-columns:110px minmax(0,1fr);gap:14px}.archive-card h2{font-size:16px}.archive-card p:not(.post-meta){display:none}.archive-card .post-meta{font-size:11px}.archive-card .read-more{font-size:12px}.article-detail h1,.archive-title{font-size:24px}.entry-content img[style*="float"]{float:none!important;display:block;margin:15px auto!important}.entry-content{font-size:16px}.print-button{display:none}.hero-controls button{font-size:28px;padding:1px 10px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}
@media print{.site-header,.topbar,.site-footer,.article-sidebar,.breadcrumbs,.print-button,.post-navigation{display:none}.container{max-width:none;padding:0}.site-main{padding:0}.content-layout{display:block}.entry-content{font-size:12pt}.entry-content a{color:inherit;text-decoration:none}}

/* Menu arrows are drawn consistently, independent of the system font. */
.submenu-toggle{display:inline-flex;align-items:center;justify-content:center;padding:10px 4px 10px 0;min-width:17px;color:#b6b6b6}
.submenu-toggle svg{display:block;flex:none;transition:transform .18s ease,color .18s ease}
.main-menu>li:hover>.submenu-toggle,.main-menu>li.expanded>.submenu-toggle{color:var(--accent)}
.main-menu>li:hover>.submenu-toggle svg,.main-menu>li.expanded>.submenu-toggle svg{transform:rotate(180deg)}
.sub-menu .submenu-toggle svg{transform:rotate(-90deg)}
@media(min-width:1101px){.main-menu>li:nth-last-child(-n+4) .sub-menu .submenu-toggle svg{transform:rotate(90deg)}}
@media(max-width:1100px){.main-menu .submenu-toggle{min-width:44px;min-height:44px;padding:12px}.main-menu>li:hover>.submenu-toggle svg,.sub-menu .submenu-toggle svg{transform:none}.main-menu li.expanded>.submenu-toggle svg{transform:rotate(180deg)}}
/* Sections enter gently as they reach the viewport, without hiding them again. */
.news-section,.quick-links,.archive-card{transition:opacity .55s ease,transform .55s cubic-bezier(.2,.65,.3,1)}
.reveal-pending{opacity:0;transform:translateY(22px)}
.is-revealed{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){.reveal-pending{opacity:1;transform:none}.news-section,.quick-links,.archive-card,.submenu-toggle svg{transition:none!important}}
@media print{.reveal-pending{opacity:1!important;transform:none!important}}
.library-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:30px;margin-top:25px}.library-grid ul{padding:0;margin:0 0 12px}.library-grid li{padding:6px 0;border-bottom:1px solid var(--line)}.library-grid a{text-decoration:none}.library-grid .section-title{font-size:17px}.main-menu>li>a{font-size:13px;padding-left:8px;padding-right:8px}
@media(max-width:760px){.library-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}}
@media(max-width:480px){.library-grid{grid-template-columns:1fr}}
/* Long imported titles and wide source images must not force a grid column wider. */
.news-section,.card-copy,.quick-links,.library-grid>section{min-width:0}
.news-card h3,.news-card .excerpt,.library-grid li{overflow-wrap:anywhere}
@media(max-width:480px){.home-columns,.home-columns.two-columns,.library-grid{grid-template-columns:minmax(0,1fr)}}

/* Featured news controls and gentle transitions. */
.hero{position:relative}
.hero-autoplay{position:absolute;top:12px;left:12px;z-index:2;border-radius:3px;background:#000b;color:#fff;padding:6px 10px;font-size:12px;line-height:1.5}
@keyframes hg-featured-in{from{opacity:.3;transform:translateX(12px)}to{opacity:1;transform:translateX(0)}}
@media(prefers-reduced-motion:no-preference){.hero-slide:not([hidden]){animation:hg-featured-in .55s ease-out}}