/*
Theme Name: LinkHub Portal
Theme URI: https://example.org/
Author: LinkHub
Description: Responsive link directory dashboard with front-end click tracking, role-aware management, and dark mode.
Version: 2.4.0
Requires at least: 6.0
Requires PHP: 7.4
Text Domain: linkhub-portal
*/
:root{--bg:#f3f6fb;--panel:#fff;--ink:#18243b;--muted:#718096;--line:#e5ebf4;--primary:#4263eb;--shadow:0 12px 36px rgba(20,39,84,.06)}body.dark{--bg:#0d1424;--panel:#172238;--ink:#e9f0ff;--muted:#a1b0ca;--line:#293854;--primary:#8ba7ff;--shadow:0 12px 36px rgba(0,0,0,.17)}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:15px/1.55 system-ui,-apple-system,Segoe UI,sans-serif}a{color:inherit;text-decoration:none}button,input,select{font:inherit}.layout{display:grid;grid-template-columns:250px minmax(0,1fr);min-height:100vh}.sidebar{background:var(--panel);border-right:1px solid var(--line);padding:28px 18px;position:sticky;top:0;height:100vh}.brand{font-size:22px;font-weight:850;letter-spacing:-.8px;margin:0 0 32px 10px}.brand span{color:var(--primary)}.navlink{display:flex;align-items:center;gap:12px;border-radius:12px;padding:12px 14px;color:var(--muted);margin:4px 0}.navlink:hover,.navlink.active{background:var(--bg);color:var(--primary)}.main{padding:30px clamp(16px,4vw,60px);min-width:0}.top{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:24px}.topright{display:flex;align-items:center;gap:12px}.btn{background:var(--panel);color:var(--ink);border:1px solid var(--line);padding:10px 15px;border-radius:11px;cursor:pointer}.btn.primary{background:#4263eb;color:white;border-color:#4263eb}.hero{background:linear-gradient(120deg,#354bc6,#7366e9);color:white;border-radius:22px;padding:34px;display:flex;justify-content:space-between;gap:20px;box-shadow:var(--shadow)}.hero h1{font-size:clamp(25px,3vw,38px);margin:0 0 8px}.hero p{margin:0;opacity:.9}.hero .bigicon{font-size:64px;opacity:.6}.stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin:22px 0}.stat,.card,.panel{background:var(--panel);border:1px solid var(--line);border-radius:17px;box-shadow:var(--shadow)}.stat{padding:20px}.stat strong{display:block;font-size:27px;margin-top:5px}.muted{color:var(--muted)}.toolbar{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;margin:25px 0 18px}.toolbar h2{margin:0;font-size:21px}.search{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:11px 14px;color:var(--ink);width:min(100%,320px)}.chips{display:flex;gap:9px;flex-wrap:wrap;margin-bottom:20px}.chip{border:1px solid var(--line);background:var(--panel);padding:8px 14px;border-radius:100px;cursor:pointer;color:var(--muted)}.chip.active{background:#4263eb;border-color:#4263eb;color:white}.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:16px}.card{padding:20px;display:flex;flex-direction:column;gap:12px;transition:transform .2s,box-shadow .2s}.card:hover{transform:translateY(-4px);box-shadow:0 20px 35px rgba(40,70,130,.12)}.cardhead{display:flex;align-items:center;justify-content:space-between}.symbol{width:47px;height:47px;border-radius:13px;display:grid;place-items:center;font-size:24px;background:#e9eeff;color:#4263eb}.dark .symbol{background:#27345b;color:#adc0ff}.card h3{margin:0;font-size:17px}.card p{margin:0;color:var(--muted);font-size:13px;min-height:39px}.cardfoot{display:flex;align-items:center;justify-content:space-between;border-top:1px solid var(--line);padding-top:12px;color:var(--muted);font-size:12px}.cardfoot .visit{color:var(--primary);font-weight:700}.panel{padding:20px;margin-top:24px}.panel h2{margin-top:0}.foot{margin:35px 0;color:var(--muted);font-size:12px;text-align:center}.mobile-toggle{display:none}.empty{padding:40px;text-align:center;color:var(--muted);grid-column:1/-1}.admin-link{color:var(--primary)}@media(max-width:800px){.layout{display:block}.sidebar{position:relative;height:auto;padding:15px;border-right:0;border-bottom:1px solid var(--line)}.brand{margin:0}.sidebar nav{display:flex;overflow:auto;margin-top:12px}.navlink{white-space:nowrap}.main{padding:18px}.stats{grid-template-columns:1fr 1fr}.hero .bigicon{display:none}}@media(max-width:520px){.stats{grid-template-columns:1fr}.hero{padding:24px}.top{flex-wrap:wrap}.cards{grid-template-columns:1fr}.search{width:100%}}

/* LinkHub 1.1 */
.layout{display:block;min-height:100vh}.sidebar{display:none!important}.main{width:100%;max-width:1500px;margin:0 auto;padding:26px clamp(16px,3vw,48px)}
.cards{grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
.site-card{position:relative;overflow:hidden;border-top:5px solid var(--accent);background:linear-gradient(155deg,var(--tint),var(--panel) 65%);min-width:0}
.site-card:nth-child(8n+1){--accent:#4566e8;--tint:#eef2ff}.site-card:nth-child(8n+2){--accent:#ed7a39;--tint:#fff2e7}.site-card:nth-child(8n+3){--accent:#16a085;--tint:#e7faf5}.site-card:nth-child(8n+4){--accent:#b450c5;--tint:#f9edff}.site-card:nth-child(8n+5){--accent:#e24d79;--tint:#fff0f4}.site-card:nth-child(8n+6){--accent:#0b91bd;--tint:#e8f8ff}.site-card:nth-child(8n+7){--accent:#bc8a16;--tint:#fff9e2}.site-card:nth-child(8n+8){--accent:#667c37;--tint:#f1f8e5}
.site-card .symbol{background:var(--accent);color:#fff}.site-card .visit{color:var(--accent)}body.dark .site-card{background:var(--panel)}
.hero{min-height:245px;align-items:center;background-size:cover;background-position:center;background-repeat:no-repeat}
.visit-heading{font-size:18px;font-weight:750;color:var(--ink);margin-bottom:14px}.visit-stats{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:12px}.visit-item{padding:16px 10px;background:var(--panel);border:1px solid var(--line);border-radius:13px;display:flex;flex-direction:column;gap:5px}.visit-item strong{font-size:24px;color:var(--primary)}.foot{margin:38px 0 20px}
@media(max-width:1050px){.cards{grid-template-columns:repeat(3,minmax(0,1fr))}}@media(max-width:760px){.cards{grid-template-columns:repeat(2,minmax(0,1fr))}.visit-stats{grid-template-columns:repeat(3,minmax(0,1fr))}}@media(max-width:520px){.cards{grid-template-columns:1fr}.visit-stats{grid-template-columns:repeat(2,minmax(0,1fr))}.hero{min-height:190px}}

/* Smart School 2.0: green / white / gold */
:root{--bg:#f3f8f5;--panel:#fff;--ink:#193c32;--muted:#667d75;--line:#dceae2;--primary:#116c57;--shadow:0 10px 35px rgba(15,76,57,.07)}body.dark{--bg:#10231e;--panel:#1c332b;--ink:#e7f5ec;--muted:#b0c6bb;--line:#355347;--primary:#65d9ad}
html{scroll-behavior:smooth} .school-shell{--school-primary:#116c57;min-height:100vh} .school-header{background:#0e604b;color:white;position:relative;z-index:2;box-shadow:0 4px 20px #073d3022}.school-header-inner{max-width:1460px;margin:auto;min-height:86px;padding:14px 26px;display:flex;align-items:center;justify-content:space-between;gap:20px}.school-brand{display:flex;align-items:center;gap:13px;min-width:220px}.school-brand strong{display:block;font-size:20px;letter-spacing:.3px}.school-brand small{display:block;font-size:11px;color:#cceee1}.school-logo{width:48px;height:48px;display:grid;place-items:center;border-radius:13px;background:#ffffff26;font-size:28px}.school-logo img{max-width:100%;height:auto}.school-nav{display:flex;gap:19px;flex-wrap:wrap}.school-nav a{font-size:13px;font-weight:650;color:#e8fff6}.school-nav a:hover{color:#ffdc80}.school-actions{display:flex;gap:7px}.school-actions .btn{font-size:12px;padding:8px 10px}.school-main{max-width:1400px;margin:auto;padding:22px 24px 50px}.ticker{border-radius:12px;background:#e7f6ed;border:1px solid #ccebd8;overflow:hidden;margin-bottom:18px;padding:10px 0;color:var(--ticker-color);font-size:var(--ticker-size);font-weight:750}.ticker-clip{overflow:hidden;white-space:nowrap}.ticker-clip span{display:inline-block;white-space:nowrap;padding-left:100%;animation:school-marquee var(--ticker-speed) linear infinite}@keyframes school-marquee{to{transform:translateX(-100%)}}.school-hero{min-height:310px;border-radius:22px;padding:46px 6%;background:linear-gradient(115deg,#0c604a,#22a279);background-size:cover;background-position:center;display:flex;align-items:center;justify-content:space-between;gap:25px;color:#fff;overflow:hidden}.hero-copy{max-width:680px}.eyebrow{font-size:12px;color:#ffdf8d;font-weight:800;letter-spacing:1.4px}.school-hero h1{font-size:clamp(29px,4vw,49px);line-height:1.16;margin:16px 0}.school-hero p{font-size:17px;color:#e0f9eb}.hero-cta{display:inline-block;background:#f4c653;color:#264932;border-radius:10px;padding:12px 20px;font-weight:800;margin-top:10px}.hero-art{font-size:105px;white-space:nowrap;filter:drop-shadow(0 10px 10px #073f3433)}.hero-art span{font-size:55px}.school-summary{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin:22px 0 35px}.school-summary>div{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:18px 22px;display:flex;justify-content:space-between;align-items:center;gap:10px}.school-summary span{color:var(--muted);font-weight:600}.school-summary strong{font-size:27px;color:var(--primary)}.school-section{margin:35px 0}.school-section-head{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:20px}.section-kicker{color:#b28620;font-size:11px;letter-spacing:1.2px;font-weight:850}.school-section h2,.school-panel h2{font-size:23px;margin:5px 0 0;color:var(--ink)}.search-wrap{display:flex;align-items:center;gap:8px;background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:3px 13px;min-width:310px}.search-wrap .search{border:0;outline:0;background:transparent;max-width:100%;width:100%;padding:12px 2px;color:var(--ink)}.chips{margin-bottom:19px}.chip.active{background:var(--school-primary);color:white;border-color:var(--school-primary)}.cards{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}.site-card{--accent:#2d9c79;--tint:#e9f8f0;border:1px solid var(--line);border-top:5px solid var(--accent);background:linear-gradient(145deg,var(--tint),var(--panel) 70%);border-radius:17px;transition:transform .2s,box-shadow .2s}.site-card:hover{transform:translateY(-5px);box-shadow:0 18px 35px #0d62431e}.site-card:nth-child(8n+1){--accent:#258d72;--tint:#e9f8f0}.site-card:nth-child(8n+2){--accent:#d2a026;--tint:#fff8df}.site-card:nth-child(8n+3){--accent:#4c79c7;--tint:#eaf2ff}.site-card:nth-child(8n+4){--accent:#b66ac4;--tint:#f9ecff}.site-card:nth-child(8n+5){--accent:#e07c48;--tint:#fff1e7}.site-card:nth-child(8n+6){--accent:#219bb2;--tint:#e9f9fc}.site-card:nth-child(8n+7){--accent:#cf6487;--tint:#fff0f4}.site-card:nth-child(8n+8){--accent:#788e35;--tint:#f3f8e4}.site-card .symbol{background:var(--accent);color:white}.site-card .visit{color:var(--accent)}.school-columns{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin:32px 0}.school-panel{background:var(--panel);border:1px solid var(--line);border-radius:18px;padding:24px;min-width:0}.school-panel h2{font-size:19px}.panel-intro{color:var(--muted);margin:5px 0 16px}.panel-link{display:flex;align-items:center;gap:12px;padding:13px 5px;border-bottom:1px solid var(--line);font-size:14px}.panel-link span:nth-child(2){flex:1}.panel-link:last-child{border-bottom:0}.panel-link[href]:hover{color:var(--primary)}.learning-banner{min-height:220px;background:linear-gradient(115deg,#0e7657,#40b789);background-size:cover;background-position:center;border-radius:20px;color:white;padding:32px 6%;display:flex;align-items:center;justify-content:space-between;gap:20px}.learning-banner span{font-size:12px;letter-spacing:1.5px;color:#ffe49d;font-weight:800}.learning-banner h2{font-size:clamp(23px,3vw,35px);margin:9px 0}.learning-banner p{color:#e7fff1}.banner-emoji{font-size:54px;white-space:nowrap}.digital-clock{font-size:clamp(26px,4vw,46px);letter-spacing:3px;font-variant-numeric:tabular-nums;font-weight:850;color:var(--primary);margin:20px 0}.school-footer{background:#0d5644;color:#fff;padding:35px 24px 14px}.school-footer-inner{max-width:1350px;margin:auto;display:grid;grid-template-columns:1fr 2fr;gap:36px}.school-footer h2{font-size:17px;margin:0 0 16px}.footer-brand strong{font-size:20px}.footer-brand p{color:#d0eee0}.visit-stats{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:10px}.visit-item{background:#ffffff17;border:1px solid #ffffff24;border-radius:12px;padding:15px 8px;display:flex;flex-direction:column;gap:7px;text-align:center}.visit-item span{font-size:12px;color:#d6f1e4}.visit-item strong{font-size:23px;color:#ffe09b}.copyright{text-align:center;font-size:12px;color:#c8e4d9;margin:28px 0 0}.school-shell .site-card[hidden]{display:none!important}body.dark .site-card{background:var(--panel)}body.dark .ticker{background:#204b39;border-color:#37664d}
@media(max-width:1100px){.school-nav{gap:10px}.school-nav a{font-size:12px}.cards{grid-template-columns:repeat(3,minmax(0,1fr))}.school-footer-inner{grid-template-columns:1fr}}@media(max-width:800px){.school-header-inner{flex-wrap:wrap}.school-nav{order:3;width:100%;overflow-x:auto;flex-wrap:nowrap;padding-bottom:5px}.school-nav a{white-space:nowrap}.cards{grid-template-columns:repeat(2,minmax(0,1fr))}.school-columns{grid-template-columns:1fr}.hero-art,.banner-emoji{display:none}.school-hero{min-height:260px}.school-section-head{align-items:stretch;flex-direction:column}.search-wrap{min-width:0}.visit-stats{grid-template-columns:repeat(3,minmax(0,1fr))}}@media(max-width:520px){.school-main{padding:14px 14px 30px}.school-header-inner{padding:13px}.school-brand strong{font-size:16px}.school-brand small{font-size:10px}.school-hero{padding:28px 23px;min-height:235px}.school-summary{gap:8px}.school-summary>div{padding:12px 8px;display:block;text-align:center}.school-summary span{font-size:11px;display:block}.school-summary strong{font-size:20px}.cards{grid-template-columns:1fr}.visit-stats{grid-template-columns:repeat(2,minmax(0,1fr))}.school-panel{padding:17px}.school-footer{padding:25px 15px}}

/* Smart School 2.1: thanh đầu trang tối giản */
.header-clock{display:flex;flex-direction:column;align-items:center;gap:4px;margin-left:auto;padding:8px 18px;border-radius:12px;background:#ffffff1a;color:#fff;white-space:nowrap}
.header-clock #schoolClock{font-size:clamp(20px,2.4vw,30px);font-weight:850;letter-spacing:2px;font-variant-numeric:tabular-nums}
.header-clock #schoolDate{font-size:11px;color:#d7f5e8}
.school-section-head{justify-content:flex-end}
.school-section{margin-top:26px}
.learning-banner{margin-top:32px}
@media(max-width:800px){.header-clock{margin-left:0}.school-header-inner{justify-content:space-between}}
@media(max-width:520px){.header-clock{order:3;width:100%;margin:0}.school-actions{margin-left:auto}.header-clock #schoolClock{font-size:24px}}

/* Smart School 2.2: đồng hồ nổi bật, ngày phía trên, giờ phía dưới */
.school-header-inner{gap:18px}
.header-clock{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:7px;margin-left:auto;padding:13px 28px;min-width:300px;border-radius:18px;background:linear-gradient(125deg,#fef9e5,#ffe7a0);border:2px solid #f8c950;box-shadow:0 7px 22px #073e303b;color:#154b38;white-space:normal;text-align:center}
.header-clock #schoolDate{font-size:clamp(16px,1.7vw,23px);font-weight:800;color:#17513d;line-height:1.3;text-transform:capitalize}
.header-clock #schoolClock{font-size:clamp(29px,3.1vw,44px);font-weight:900;letter-spacing:3px;color:#0b6549;font-variant-numeric:tabular-nums;line-height:1.2}
.school-actions{flex-shrink:0}
.school-section{margin-top:24px}
@media(max-width:800px){.header-clock{margin-left:auto;min-width:0;padding:12px 18px}}
@media(max-width:520px){.header-clock{order:3;width:100%;margin:5px 0 0;padding:14px}.header-clock #schoolDate{font-size:18px}.header-clock #schoolClock{font-size:36px}}

/* Smart School 2.3: nền đồng hồ trắng và ảnh đại diện liên kết */
.header-clock{background:#ffffff!important;background-image:none!important;border:2px solid #d8e9de!important;box-shadow:0 8px 24px rgba(0,40,26,.16)!important}
.header-clock #schoolDate{color:#17513d!important}
.header-clock #schoolClock{color:#0b6549!important}
.site-card .symbol.has-image{background:#fff;overflow:hidden;border:1px solid var(--line)}
.site-card .link-card-image{display:block;width:100%;height:100%;object-fit:cover;border-radius:11px}

/* Smart School 2.4 - thẻ dạng ứng dụng, theo hình tham khảo */
.linkhub-tile-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}
.linkhub-tile-grid .linkhub-tile{border:1px solid #e5eef6;border-top:0;background:#fff;box-shadow:0 5px 18px rgba(25,65,110,.06);min-height:142px;padding:16px 10px 13px;display:flex;align-items:center;justify-content:center;text-align:center;gap:5px;border-radius:13px}
.linkhub-tile .tile-symbol{display:grid;place-items:center;font-size:33px;width:52px;height:49px;line-height:1;background:transparent}
.linkhub-tile .tile-symbol.tile-has-image{overflow:hidden;border-radius:10px}
.linkhub-tile .link-card-image{width:100%;height:100%;object-fit:contain}
.linkhub-tile .tile-title{font-size:14px;color:#18243b;line-height:1.4}
.linkhub-tile .tile-desc{font-size:12px;color:#7889a0;line-height:1.35;max-width:100%;overflow-wrap:anywhere}
.linkhub-tile:nth-child(8n+1) .tile-symbol{color:#2e7af0}.linkhub-tile:nth-child(8n+2) .tile-symbol{color:#f36e3b}.linkhub-tile:nth-child(8n+3) .tile-symbol{color:#12ae84}.linkhub-tile:nth-child(8n+4) .tile-symbol{color:#efaa18}
.linkhub-tile:hover{transform:translateY(-3px);box-shadow:0 13px 25px rgba(22,94,80,.13);border-color:#b9dfcf}
.mobile-bottom-nav{display:none}
body.dark .linkhub-tile-grid .linkhub-tile{background:var(--panel);border-color:var(--line)}
body.dark .linkhub-tile .tile-title{color:var(--ink)}
@media(max-width:950px){.linkhub-tile-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media(max-width:650px){.linkhub-tile-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:9px}.linkhub-tile-grid .linkhub-tile{min-height:126px;padding:12px 7px}.linkhub-tile .tile-title{font-size:12px}.linkhub-tile .tile-desc{font-size:11px}.linkhub-tile .tile-symbol{font-size:30px}.mobile-bottom-nav{display:flex;position:fixed;bottom:0;left:0;right:0;z-index:50;background:var(--panel);border-top:1px solid var(--line);justify-content:space-around;padding:7px 5px max(7px,env(safe-area-inset-bottom));box-shadow:0 -5px 20px #0001}.mobile-bottom-nav a{display:flex;flex-direction:column;align-items:center;font-size:23px;color:var(--muted);line-height:1.2}.mobile-bottom-nav a.active{color:var(--primary)}.mobile-bottom-nav small{font-size:10px}.school-footer{padding-bottom:85px}}