/*
Theme Name: Học liệu VNU
Description: Giao diện kho học liệu cộng đồng cho hoclieuvnu.com.
Version: 1.0.0
Requires PHP: 8.0
*/
:root{--green:#008653;--green-dark:#006c43;--green-light:#eaf7f0;--ink:#101b2c;--muted:#748095;--line:#e8edf0;--surface:#fff;--shadow:0 4px 18px rgba(24,48,42,.045);--radius:14px}
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.inner-main{padding-top:46px;padding-bottom:65px;min-height:65vh}.page-intro{text-align:center;margin-bottom:37px}.page-intro h1{font-size:38px;margin-bottom:12px}.page-intro>.eyebrow{margin-bottom:12px;color:#6a9b7c}.page-intro>p{color:#839087;font-size:14px}.upload-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;max-width:1060px;margin:auto;gap:32px}.form-panel{border:1px solid var(--line);border-radius:16px;padding:30px;box-shadow:var(--shadow)}.login-prompt{text-align:center;padding:35px 25px}.login-prompt>.empty-icon{margin:0 auto 23px}.login-prompt h2{margin-bottom:12px;font-size:23px}.login-prompt>p{color:#8a9590;font-size:13px;line-height:1.85;max-width:420px;margin:0 auto 24px}.login-prompt>p.small{margin-top:20px;font-size:11px}.login-prompt .small a{color:var(--green)}.upload-guide{padding:9px 0}.upload-guide h2{font-size:19px;margin-bottom:25px}.upload-guide>div{display:flex;gap:13px;margin-bottom:24px}.upload-guide>div>.icon{width:22px;height:22px;color:var(--green);margin-top:2px}.upload-guide strong{font-size:13px}.upload-guide p{font-size:12px;color:#89958d;line-height:1.85;margin-top:5px}.upload-guide .guide-note{background:#f3f8f5;border:1px solid #e7f1eb;border-radius:9px;padding:14px;font-size:11px}.upload-form{display:flex;flex-direction:column;gap:20px}.upload-form label{display:flex;flex-direction:column;gap:8px;font-size:13px;font-weight:600}.upload-form label>span:not(.file-selection){font-weight:400}.upload-form input:not([type=checkbox]):not([type=file]),.upload-form select,.upload-form textarea{width:100%;border:1px solid #dfe7e1;border-radius:8px;padding:11px 12px;background:#fff;font-size:13px;color:var(--ink)}.upload-form textarea{resize:vertical}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:20px}.form-row .form-checkbox{display:flex;flex-direction:row;align-items:center;gap:9px;margin-top:23px;font-weight:400}.form-checkbox input,.rights-checkbox input{accent-color:var(--green);width:16px;height:16px;flex-shrink:0}.upload-form .file-drop{align-items:center;position:relative;border:1px dashed #abcdb9;background:#f8fcfa;border-radius:10px;padding:26px 15px;text-align:center;cursor:pointer;overflow:hidden}.file-drop>.icon{height:28px;width:28px;color:var(--green);margin-bottom:3px}.file-drop>span{font-size:11px;color:#8a9b90}.file-drop input{position:absolute;inset:0;opacity:0;cursor:pointer;width:100%;height:100%}.file-drop:focus-within{outline:3px solid #6bcca3;outline-offset:3px}.file-drop .file-selection{font-size:12px;color:var(--green);word-break:break-word}.upload-form .rights-checkbox{display:flex;flex-direction:row;gap:9px;font-size:11px;color:#7a8d80;align-items:flex-start;font-weight:400}.rights-checkbox input{margin-top:3px}.upload-form>.button{align-self:flex-start}.notice{display:flex;align-items:center;gap:10px;padding:16px 20px;background:#f4f8f6;border:1px solid #dcebe2;border-radius:10px;font-size:13px;color:#5e7867;margin-bottom:22px;line-height:1.75}.notice-success{background:#edf9f1;color:#147d42}.notice-error{background:#fff1ef;border-color:#f5d7d0;color:#a54536}.donate-main{max-width:940px}.donate-card{text-align:center;border:1px solid var(--line);border-radius:18px;background:linear-gradient(170deg,#fff,#fafdfa);max-width:560px;margin:0 auto;padding:38px 45px;box-shadow:var(--shadow)}.donate-heart{display:grid;place-items:center;margin:0 auto 20px;background:#eaf6ee;color:var(--green);height:74px;width:74px;border-radius:24px;transform:rotate(-5deg)}.donate-heart .icon{height:32px;width:32px;transform:rotate(5deg)}.donate-card h2{font-size:24px;margin-bottom:13px}.donate-card>p{font-size:13px;color:#8a958e;line-height:1.9;margin-bottom:25px}.donate-card .notice{text-align:left;font-size:12px}.donate-card .small{font-size:11px;margin-bottom:0}.donate-divider{height:1px;background:#e9efeb;margin:28px 0 22px}
.detail-main{padding-top:25px;padding-bottom:55px}.breadcrumbs{display:flex;gap:10px;font-size:11px;color:#8c9791;margin-bottom:30px}.breadcrumbs a:hover{color:var(--green)}.detail-layout{display:grid;grid-template-columns:minmax(0,1fr) 295px;gap:40px;align-items:start}.detail-content>.badges{margin-top:0;margin-bottom:14px}.detail-content>.badges .badge{font-size:11px}.detail-content h1{font-size:32px;line-height:1.4}.detail-facts{display:flex;flex-wrap:wrap;gap:20px;font-size:12px;color:#859086;margin:18px 0 25px}.detail-facts>span{display:flex;align-items:center;gap:7px}.detail-facts .icon{width:16px;height:16px}.prose{font-size:15px;line-height:1.85;color:#58665e;overflow-wrap:anywhere}.prose p{margin-bottom:17px}.prose a{color:var(--green);text-decoration:underline}.prose img{max-width:100%;height:auto}.prose h1,.prose h2,.prose h3{color:var(--ink);margin:22px 0 12px}.preview-heading{display:flex;justify-content:space-between;align-items:center;margin-top:30px;margin-bottom:15px}.preview-heading h2{font-size:19px}.preview-heading .text-link{font-size:12px}.pdf-preview{width:100%;height:680px;border:1px solid #dfe9e2;border-radius:10px;background:#f1f3f2}.pdf-preview+.muted{font-size:11px;margin-top:8px}.preview-unavailable{text-align:center;border:1px dashed #c6dace;border-radius:14px;background:#f8fcf9;padding:55px 25px;margin-top:30px;color:#84978a}.preview-unavailable>.icon{height:40px;width:40px;margin-bottom:15px;color:#659f7c}.preview-unavailable h2{font-size:20px;color:#476252;margin-bottom:8px}.preview-unavailable p{font-size:13px}.download-panel{border:1px solid #e1ebe4;border-radius:14px;padding:25px;box-shadow:var(--shadow);position:sticky;top:25px}.file-emblem{height:50px;width:44px;display:grid;place-items:center;background:#edf8f0;border-radius:10px;color:var(--green);margin-bottom:15px}.file-emblem .icon{height:27px;width:27px}.download-panel h2{font-size:20px}.download-panel dl{font-size:12px;margin:22px 0}.download-panel dl>div{display:flex;justify-content:space-between;gap:10px;margin:12px 0}.download-panel dt{color:#8c9a90}.download-panel dd{margin:0;color:#425b4a;font-weight:600;text-align:right;overflow-wrap:anywhere}.download-panel .button+.button{margin-top:10px;font-size:12px}.download-note{font-size:10px;color:#87998d;line-height:1.9;display:flex;align-items:flex-start;gap:8px;margin:19px 0}.download-note .icon{height:16px;width:16px;margin-top:3px}.report-link{font-size:10px}.not-found{text-align:center;padding-top:90px;padding-bottom:100px}.not-found h1{font-size:36px;margin:15px 0}.not-found p{font-size:14px;color:#8b9690;margin:0 auto 25px;max-width:560px}
@media(min-width:1500px){.container{width:min(1400px,calc(100% - 120px))}.hero-content{padding-top:47px;padding-bottom:34px}.hero h1{font-size:46px}.school-card{padding:20px 18px}.school-label small{font-size:10px}.document-card{min-height:176px}.document-preview{width:94px}.document-body h3{font-size:14px}.home-sections{padding-top:31px}.school-grid{gap:17px}}
@media(max-width:1150px){.container{width:calc(100% - 48px)}.hero h1{font-size:36px}.school-grid{gap:10px}.school-card{padding:16px 10px;gap:9px}.school-icon{width:28px}.school-icon .icon{height:27px;width:27px}.school-label small{font-size:8px}.school-arrow{display:none}.document-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.school-label strong{font-size:15px}.empty-paper{right:35px}.hero-blob{opacity:.6}.detail-layout{gap:25px}.upload-layout{grid-template-columns:minmax(0,1fr) 270px;gap:25px}}
@media(max-width:800px){.container{width:calc(100% - 36px)}.site-header{height:75px}.brand strong{font-size:18px}.brand small{font-size:10px}.brand-mark,.brand-mark .icon{width:36px;height:39px}.main-nav{gap:20px;font-size:12px}.main-nav .login-link{font-size:11px;padding:7px 10px}.hero-content{padding-top:31px;padding-bottom:23px}.hero h1{font-size:31px;max-width:660px;margin-inline:auto}.hero p{font-size:13px}.hero-kicker{font-size:9px}.search-form{margin-top:23px}.search-box{height:50px}.search-submit{min-width:120px;min-height:50px;font-size:13px}.filter{min-width:0;flex:1;padding:0 10px}.filter-line{gap:9px}.filter select{font-size:11px}.answer-filter{font-size:11px;padding:0 11px}.filter>.icon{width:15px;height:15px}.school-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.school-card{padding:17px 13px;min-height:81px;gap:11px}.school-label small{font-size:9px}.school-card:last-child{grid-column:auto}.section-hint{display:none}.empty-state{padding:25px;gap:20px}.empty-paper{display:none}.subject-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.contribute-strip{padding:20px;gap:10px;flex-wrap:wrap}.contribute-strip h2{font-size:15px}.contribute-strip p{font-size:10px}.contribute-strip>.button{margin-left:50px}.subject-empty{flex-wrap:wrap}.subject-empty>.text-link{margin-left:33px}.upload-layout{grid-template-columns:1fr}.upload-guide{display:grid;grid-template-columns:repeat(3,1fr);gap:15px}.upload-guide h2,.upload-guide .guide-note{grid-column:1/-1}.upload-guide>div{gap:9px;margin-bottom:5px}.upload-guide p{font-size:11px}.upload-guide h2{margin-bottom:3px}.detail-layout{grid-template-columns:minmax(0,1fr) 245px;gap:23px}.download-panel{padding:20px}.detail-content h1{font-size:27px}.detail-facts{gap:12px}.detail-facts>span{font-size:10px}.footer-note{font-size:9px;gap:20px}.footer-inner{gap:15px}}
@media(max-width:600px){.container{width:calc(100% - 32px)}.site-header{height:73px}.brand{gap:9px}.brand strong{font-size:17px}.brand small{font-size:9px}.brand-mark .icon{height:35px;width:35px}.mobile-toggle{display:block}.main-nav{display:none;position:absolute;top:72px;left:0;right:0;background:white;padding:15px 22px 23px;border-bottom:1px solid var(--line);box-shadow:0 10px 15px #183a240a;flex-direction:column;align-items:stretch;gap:7px;font-size:14px}.main-nav.open{display:flex}.main-nav>a.active:after{display:none}.main-nav .login-link{justify-content:center;padding:10px;font-size:13px;margin-top:4px}.hero-content{padding-top:27px;padding-bottom:22px}.hero-kicker{font-size:8px;letter-spacing:.12em;margin-bottom:14px}.hero h1{font-size:29px;max-width:350px;line-height:1.38;letter-spacing:-.045em;margin-bottom:13px}.hero h1 em{white-space:normal}.hero p{font-size:12px;line-height:1.9;max-width:360px;margin:auto}.desktop-break{display:none}.hero-blob{opacity:.45}.search-form{margin-top:22px}.search-line{gap:8px}.search-box{padding:0 12px;gap:8px;height:48px}.search-box .icon{width:17px;height:17px}.search-box input{font-size:11px}.search-submit{min-width:84px;min-height:48px;font-size:12px;padding:9px 12px}.filter-line{flex-wrap:wrap;gap:9px;margin-top:12px}.filter{flex:0 0 calc(50% - 5px);height:41px;gap:9px;padding:0 11px}.filter select{font-size:11px}.answer-filter{flex:1;height:41px;font-size:11px;justify-content:flex-start;padding-left:13px}.hero-notes{gap:12px;font-size:8px;margin-top:19px;flex-wrap:wrap}.hero-notes .icon{width:11px;height:11px}.home-sections{padding-top:24px}.section-heading{margin-bottom:13px;gap:10px}.section-heading .eyebrow{font-size:8px;letter-spacing:.12em;margin-bottom:5px}.section-heading h2{font-size:20px}.section-heading>.text-link{font-size:11px;gap:5px;white-space:nowrap}.section-heading>.text-link .icon{width:15px;height:15px}.school-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.school-card{padding:13px 11px;min-height:76px;gap:9px}.school-label strong{font-size:14px}.school-label small{font-size:8px;line-height:1.6;margin-top:4px}.school-icon{width:26px;height:30px}.school-icon .icon{width:25px;height:25px}.school-card:last-child{grid-column:1/-1;min-height:65px}.school-card:last-child .school-arrow{display:block}.latest-section{margin-top:25px}.document-grid{grid-template-columns:1fr;gap:12px}.document-card{padding:13px;min-height:157px;gap:16px}.document-preview{width:88px;min-height:129px}.document-body h3{font-size:14px;min-height:0}.document-meta{font-size:11px}.badges{margin-top:11px}.document-stats{font-size:10px;padding-top:17px}.empty-state{min-height:0;padding:25px 21px;gap:0;flex-direction:column;align-items:flex-start}.empty-icon{width:51px;height:51px;border-radius:15px;margin-bottom:21px}.empty-icon>.icon{width:27px;height:27px}.small-spark{width:20px;height:20px;font-size:16px;line-height:17px;border-radius:7px}.empty-state .eyebrow{font-size:7px;letter-spacing:.09em}.empty-state h3{font-size:18px;margin-bottom:9px}.empty-state p{font-size:11px;line-height:1.9}.empty-state p br{display:none}.empty-state .text-link{font-size:11px;margin-top:4px}.subjects-section{margin-top:25px}.subject-grid{grid-template-columns:1fr;gap:10px}.subject-card{font-size:12px;padding:13px 15px}.subject-empty{padding:15px;gap:9px}.subject-empty p{font-size:11px;line-height:1.8;flex-basis:calc(100% - 35px)}.subject-empty>.text-link{font-size:10px;margin-left:30px}.contribute-strip{margin-top:24px;padding:21px 18px;align-items:flex-start;gap:10px}.strip-icon{width:26px;height:30px}.strip-icon>.icon{width:23px;height:23px}.contribute-strip>div:nth-child(2){flex:1}.contribute-strip h2{font-size:16px;line-height:1.5}.contribute-strip p{font-size:10px;line-height:1.8;margin-top:6px}.contribute-strip>.button{margin-top:5px;margin-left:36px;font-size:11px}.footer-inner{flex-wrap:wrap;padding-top:21px;row-gap:12px;column-gap:12px}.footer-brand{font-size:10px}.footer-inner p{font-size:10px;margin-left:auto}.footer-inner nav{margin-left:0;flex-basis:100%;font-size:11px;gap:25px}.footer-note{flex-direction:column;font-size:9px;gap:5px;padding-top:15px}.archive-hero{padding:18px 0 24px}.breadcrumb{font-size:10px;margin-bottom:22px}.archive-hero h1{font-size:29px}.archive-hero p{font-size:11px}.archive-hero .eyebrow{font-size:8px}.results-section{padding-top:24px}.results-heading h2{font-size:17px}.result-count{font-size:11px}.reset-button{font-size:10px}.results-heading{gap:10px}.inner-main{padding-top:30px;padding-bottom:42px}.page-intro{margin-bottom:26px}.page-intro h1{font-size:29px}.page-intro>.eyebrow{font-size:8px}.page-intro p{font-size:12px;line-height:1.85}.form-panel{padding:20px 17px}.login-prompt{padding:15px 4px}.login-prompt h2{font-size:21px}.login-prompt>p{font-size:12px}.login-prompt .button{font-size:12px}.upload-guide{grid-template-columns:1fr;margin-top:10px;gap:14px}.upload-guide>div{gap:12px}.upload-guide strong{font-size:13px}.upload-guide p{font-size:12px}.upload-guide h2{margin-bottom:9px}.form-row{grid-template-columns:1fr;gap:19px}.form-row .form-checkbox{margin-top:0}.upload-form{gap:19px}.upload-form label{font-size:12px}.upload-form .rights-checkbox{font-size:10px}.upload-form .file-drop{padding:23px 13px}.file-drop>span{font-size:10px}.donate-card{padding:28px 21px}.donate-card h2{font-size:23px}.donate-card>p{font-size:12px}.donate-card .notice{font-size:11px}.detail-main{padding-top:20px}.breadcrumbs{font-size:10px;margin-bottom:22px;gap:7px}.detail-layout{display:flex;flex-direction:column;gap:25px}.detail-content{width:100%}.detail-content h1{font-size:27px}.detail-facts{font-size:11px;gap:13px}.download-panel{position:static;width:100%}.pdf-preview{height:460px}.prose{font-size:14px}.preview-heading h2{font-size:17px}.preview-heading .text-link{font-size:10px}.not-found h1{font-size:29px}.not-found p{font-size:12px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}

/* Keep the contribution callout balanced on small screens. */
@media(max-width:600px){
.contribute-strip{display:grid;grid-template-columns:26px minmax(0,1fr);gap:10px 12px}
.contribute-strip>div:nth-child(2){min-width:0}
.contribute-strip>.button{grid-column:2;margin:7px 0 0;justify-self:start}
.school-label small{font-size:9px}
}