/*
Theme Name: Tuduy Academic
Version: 1.5.1
Description: Giao diện học thuật cho Tuduy.vn
Text Domain: tuduy
*/
@import url('https://fonts.googleapis.com/css2?family=Be+Vietnam+Pro:wght@400;500;600;700;800&display=swap');
:root{--navy:#142f40;--cream:#faf9f5;--orange:#d66a35;--muted:#63717a;--line:#dadfdc}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:90px}body{margin:0;background:var(--cream);color:var(--navy);font-family:'Be Vietnam Pro',Arial,sans-serif;font-size:14px;line-height:1.7}a{color:inherit;text-decoration:none}button,input,select{font:inherit}button,a,input,select,summary{-webkit-tap-highlight-color:transparent}a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid var(--orange);outline-offset:4px}.wrap{max-width:1240px;margin:auto;padding-left:44px;padding-right:44px}header{max-width:1328px;margin:auto;height:100px;padding:0 44px;display:flex;align-items:center;justify-content:space-between;gap:24px;border-bottom:1px solid 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solid var(--line);padding:21px 0}summary{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:20px;font-weight:500;font-size:13px}summary::-webkit-details-marker{display:none}summary span{color:var(--orange);font-size:22px}details[open] summary span{transform:rotate(45deg)}details p{font-size:12px;color:var(--muted)}details a{text-decoration:underline}.consult{background:var(--navy);color:white;padding:65px 0}.consult-grid{display:grid;grid-template-columns:1.2fr 1fr;gap:80px}.consult .eyebrow{color:#a9bcc2}.consult h2{font-size:40px}.consult h2 em{color:#eca679}.consult p{font-size:13px;color:#d0dbdd}.consult .form-note{font-size:10px;color:#a1b4bc;margin-top:35px}form label{display:block;font-size:10px;margin-bottom:7px}input,select{width:100%;height:45px;border:1px solid #647881;border-radius:3px;background:#ffffff08;color:white;padding:10px 12px;margin-bottom:16px;font-size:12px}input::placeholder{color:#b5c3c8}select 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@media(min-width:1500px){.hero{padding-top:85px;padding-bottom:85px}.hero-art{min-height:480px}}@media(max-width:1000px){nav{gap:15px}.wrap{padding-left:28px;padding-right:28px}.hero{gap:25px}h1{font-size:39px}.hero-art{min-height:420px}.door{right:40px}.steps{left:35px;right:35px}.actions{flex-wrap:wrap;gap:17px}.hero-index{display:none}.intro,.faq{gap:35px}.thinking{margin:0 28px;gap:30px}.courses article{padding:23px}.consult-grid{gap:40px}}@media(max-width:700px){header{height:76px;padding:0 20px}header .brand{font-size:23px}.brand-mark{width:33px;height:33px}nav{display:none}.button.small{font-size:10px;padding:8px 12px}.wrap{padding-left:22px;padding-right:22px}.hero{grid-template-columns:1fr;padding-top:38px;padding-bottom:35px;gap:32px}.eyebrow{font-size:8px;letter-spacing:1.2px}h1{font-size:38px;letter-spacing:-1.5px;margin-top:21px}.lead{font-size:13px}.hero-foot{margin-top:25px;padding-top:16px}.hero-art{min-height:350px;border-top-left-radius:85px}.door{top:50px;right:54px;height:214px;width:130px}.sphere{top:95px;width:65px;height:65px}.orbit{width:195px;height:195px;top:40px}.steps{bottom:45px;left:48px;right:50px;height:130px}.steps i:nth-child(1){height:32px}.steps i:nth-child(2){height:62px}.steps i:nth-child(3){height:95px}.steps i:nth-child(4){height:128px}.floating-note{bottom:25px;right:15px;padding:10px 13px}.art-label{left:95px;top:20px}.art-bottom{font-size:6px;bottom:16px;left:18px}.spark{top:18px;font-size:28px}.discipline-bar>div{display:grid;grid-template-columns:1fr 1fr;gap:12px;padding-top:18px;padding-bottom:18px}.discipline-bar span{grid-column:1/-1;font-size:7px}.discipline-bar strong{font-size:10px}.discipline-bar strong:last-child{grid-column:1/-1}.discipline-bar i{margin-left:5px}.section{padding-top:50px;padding-bottom:50px}h2{font-size:29px;letter-spacing:-1px}.intro,.faq,.consult-grid,.thinking{grid-template-columns:1fr;gap:22px}.section-lead{font-size:17px}.principles{grid-template-columns:1fr;gap:12px;margin-top:23px}.principles>div{border-top:1px solid var(--line);padding-top:12px}.principles h3{display:inline;margin-left:12px}.principles p{margin-bottom:0}.section-heading{display:block;margin-bottom:24px}.section-heading .muted,.section-heading .pill{margin-top:20px}.timeline{grid-template-columns:1fr 1fr;gap:30px 20px;margin-top:28px}.timeline article{padding:0 0 0 16px}.timeline article:nth-child(3){border:0;padding-left:0}.timeline article>span{font-size:27px}.timeline h3{font-size:13px;margin-top:13px}.timeline p{font-size:11px;min-height:0}.courses{grid-template-columns:1fr}.courses p{min-height:0}.courses h3{margin-top:18px}.courses ul{margin:18px 0}.thinking{margin:0 15px;padding:28px 20px}.thinking-copy h2 br{display:none}.thinking-copy h2{font-size:29px}.asterisk{display:none}.quiz{padding:20px}.quiz h3{font-size:13px}.quiz .pill{font-size:6px}.answers button{font-size:11px}.faq{gap:10px}.faq h2 br{display:none}.consult{padding:45px 0}.consult h2{font-size:32px}.consult .form-note{margin-top:20px}.form-row{grid-template-columns:1fr}footer{flex-wrap:wrap;padding-top:25px;padding-bottom:25px;gap:14px}footer .brand{font-size:23px}footer p{width:100%;order:3;margin:0}footer>span{font-size:6px;margin-left:auto}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}
.teachers,.student-results{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}.teachers article{border:1px solid var(--line);border-radius:5px;overflow:hidden;background:#fffefa}.portrait{height:230px;position:relative;overflow:hidden;background:#e4ebe6;padding:17px}.portrait.tone-two{background:#ebdfd2}.portrait.tone-three{background:#dbe5e7}.sample-tag{display:inline-block;background:#fff9ef;color:#80502d;border:1px solid #d9baa0;border-radius:3px;font-size:8px;letter-spacing:.6px;padding:4px 7px;line-height:1.6}.portrait .sample-tag{position:relative;z-index:2}.portrait small{position:absolute;bottom:15px;left:17px;font-size:8px;letter-spacing:1px;z-index:2}.avatar{position:absolute;width:155px;height:180px;bottom:0;left:50%;transform:translateX(-50%)}.avatar i{display:block;position:absolute;top:0;left:42px;width:70px;height:80px;background:#afc1bc;border-radius:45% 45% 43% 43%}.avatar b{position:absolute;bottom:-20px;width:155px;height:115px;background:#90aaa5;border-radius:80px 80px 0 0}.tone-two .avatar i{background:#cdb49d}.tone-two .avatar b{background:#af9683}.tone-three .avatar i{background:#a3b7bd}.tone-three .avatar b{background:#7e9da7}.portrait-symbol{position:absolute;right:20px;top:65px;font-size:35px;color:var(--orange);opacity:.8}.teacher-copy{padding:25px}.teacher-copy h3{font-size:20px;font-weight:500;margin:14px 0 4px}.teacher-subject{color:var(--orange);font-size:11px;font-weight:600}.teacher-copy p{color:var(--muted);font-size:12px;margin-top:17px}.teacher-copy .profile-status{font-size:10px;border-top:1px solid var(--line);padding-top:13px;margin-bottom:0}.source-note{font-size:10px;color:var(--muted);margin:22px 0 0;line-height:1.8}.results{background:#edf0eb}.results-intro{font-size:13px;color:var(--muted);max-width:650px;margin-bottom:30px}.student-results article{background:var(--cream);padding:27px;border:1px solid var(--line);border-radius:5px}.result-top{display:flex;align-items:center;justify-content:space-between;gap:10px}.result-top>span:last-child{color:var(--orange);font-size:23px}.score{font-size:52px;line-height:1.3;color:var(--orange);letter-spacing:-2px;margin:25px 0 12px}.score small{font-size:15px;letter-spacing:0;color:var(--muted)}.student-results h3{font-size:17px;margin:0 0 6px;font-weight:500}.result-meta{font-size:9px;color:var(--muted)}.result-story{border-top:1px solid var(--line);padding-top:16px;margin-top:22px}.result-story b{font-size:10px;font-weight:500}.result-story p{font-size:12px;color:var(--muted);margin-bottom:0}.community{display:grid;grid-template-columns:1fr 1.2fr;gap:70px;align-items:center}.social-links{display:grid;gap:15px}.social-links>a{border:1px solid var(--line);display:flex;align-items:center;gap:18px;padding:23px;background:#fffefa;border-radius:5px}.social-links>a:hover{border-color:var(--orange)}.social-icon{width:40px;height:40px;flex-shrink:0;display:grid;place-items:center;background:var(--navy);color:white;border-radius:50%;font-size:23px;font-weight:700}.social-links b{font-size:13px}.social-links p{font-size:11px;color:var(--muted);margin:5px 0}.social-links small{font-size:8px;color:var(--muted);display:block}.social-links>a>span:last-child{margin-left:auto;font-size:23px;color:var(--orange)}
@media(max-width:1000px){nav{gap:15px}.teachers,.student-results{gap:16px}.teacher-copy,.student-results article{padding:20px}.community{gap:30px}.teacher-copy h3{font-size:18px}}
@media(max-width:700px){.teachers,.student-results,.community{grid-template-columns:1fr}.portrait{height:240px}.teacher-copy{padding:22px}.teacher-copy h3{font-size:21px}.section-heading>.sample-tag{margin-top:18px}.community{gap:24px}.social-links>a{padding:17px;gap:12px}.social-links b{font-size:12px}.social-links small{font-size:9px}.sample-tag{font-size:9px}.source-note{font-size:11px}.result-meta{font-size:10px}}
.library-search{margin:32px 0;padding:24px;background:#edf0eb;border-radius:5px}.library-search>div{display:flex;gap:12px}.library-search input,.library-search select{background:var(--cream);color:var(--navy);border-color:#becac3;margin:0}.library-search input{flex:2}.library-search select{flex:1}.library-search select option{background:white}.library-search .button{width:auto;margin:0;white-space:nowrap}.document-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}.document-card{border:1px solid var(--line);background:#fffefa;padding:28px;border-radius:5px}.document-card h2{font-size:23px}.document-action{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-top:25px}.empty-library{grid-column:1/-1;padding:45px;background:#edf0eb;border-radius:5px;text-align:center}.document-detail{max-width:950px;min-height:65vh}.document-body{margin:30px 0}.document-body a{text-decoration:underline}.document-body img{max-width:100%;height:auto}.exam-panel{margin:36px 0;display:grid;grid-template-columns:1.5fr 1fr;gap:40px;background:#edf0eb;padding:35px;border-radius:5px;align-items:center}.exam-panel p{color:var(--muted);font-size:13px}.exam-page{min-height:75vh}@media(max-width:700px){.library-search>div{flex-direction:column}.document-list,.exam-panel{grid-template-columns:1fr}.exam-panel{padding:24px;gap:20px}.document-action{align-items:flex-start;flex-direction:column}.document-detail h1{overflow-wrap:anywhere}}
@media(max-width:700px){header{height:auto;min-height:76px;flex-wrap:wrap;padding-top:16px;padding-bottom:13px;gap:16px}header nav{display:flex;order:3;width:100%;justify-content:center;gap:24px;font-size:11px}}
.teacher-photo{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}.teacher-copy h3,.hero-copy h1{overflow-wrap:anywhere}

@media(max-width:700px){.timeline{grid-template-columns:1fr}.timeline article,.timeline article:nth-child(3){border-left:0;border-top:1px solid #becac3;padding:20px 0 0}.timeline article:first-child{border-top:0;padding-top:0}}

.fanpage-bubble{position:fixed;right:22px;bottom:calc(22px + env(safe-area-inset-bottom));z-index:1000;display:flex;align-items:center;gap:9px;background:#1877f2;color:white;border-radius:40px;padding:14px 18px;box-shadow:0 5px 18px #142f4030;font-size:12px;font-weight:600;min-height:56px}.fanpage-bubble:hover{background:#1261c7}.fanpage-bubble svg{flex-shrink:0}.contact-panel h3{font-size:20px;margin:0 0 15px}.contact-panel ul{font-size:13px;color:#d0dbdd;padding-left:20px;line-height:1.9}.contact-panel .button{margin-top:15px}.source-note a{text-decoration:underline}@media(max-width:700px){.fanpage-bubble{right:14px;bottom:calc(14px + env(safe-area-inset-bottom));padding:14px;width:56px;height:56px;justify-content:center}.fanpage-bubble span{display:none}footer{padding-bottom:85px}}

.lecture-player{position:relative;width:100%;aspect-ratio:16/9;background:#142f40;border-radius:5px;overflow:hidden}.lecture-player iframe{position:absolute;inset:0;border:0;width:100%;height:100%}.vertical-player{max-width:400px;aspect-ratio:9/16;margin:0 auto}.video-thumbnail{display:block;width:100%;height:auto;aspect-ratio:16/9;object-fit:cover;margin-top:20px;border-radius:4px}.contact-panel a{overflow-wrap:anywhere}@media(max-width:700px){header nav{gap:15px;font-size:10px}.document-detail h1{font-size:32px}}
.lecture-player{min-height:200px}

.contact-socials{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px}.contact-socials a{display:inline-flex;align-items:center;gap:10px;padding:12px 16px;border:1px solid #ffffff55;border-radius:4px;color:#fff;text-decoration:none}.contact-socials svg{width:22px;height:22px;fill:currentColor}.contact-socials a:hover{background:#ffffff15}.contact-socials a:focus-visible{outline:2px solid #f0a56e;outline-offset:4px}

.official-logo{display:block;width:220px;max-width:100%;line-height:0}.official-logo img{display:block;width:100%;height:auto;max-width:100%}@media(max-width:700px){.official-logo{width:180px}}

.consult-compact{padding:64px 0}.consult-compact h2{font-size:clamp(28px,3.5vw,42px);margin:14px 0 16px}.consult-compact .contact-description{max-width:660px;margin:0;color:#d9e2e6}.consult-compact .contact-socials{margin-top:28px;gap:14px}.consult-compact .contact-socials a{padding:14px 22px;min-height:52px;font-weight:600}.consult-compact .contact-socials .contact-facebook{background:var(--orange);border-color:var(--orange)}.consult-compact .contact-socials .contact-facebook:hover{background:#b85022;border-color:#b85022}@media(max-width:700px){.consult-compact{padding:44px 0}.consult-compact .contact-socials{flex-direction:column;align-items:stretch}.consult-compact .contact-socials a{justify-content:center}}

.consult-compact{text-align:center}.consult-compact .contact-description{margin-left:auto;margin-right:auto}.consult-compact .contact-socials{justify-content:center}

.consult-compact .eyebrow{justify-content:center;text-align:center}

.menu-toggle{display:none}@media(max-width:700px){.site-header{min-height:78px;padding:8px 20px;gap:0 12px;justify-content:space-between}.site-header .official-logo{width:165px}.menu-toggle{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;width:44px;height:44px;padding:10px;border:1px solid var(--line);border-radius:5px;background:transparent;color:var(--navy);cursor:pointer}.menu-toggle span{display:block;width:22px;height:2px;background:currentColor;transition:transform .18s,opacity .18s}.menu-toggle[aria-expanded=true] span:nth-child(1){transform:translateY(7px) rotate(45deg)}.menu-toggle[aria-expanded=true] span:nth-child(2){opacity:0}.menu-toggle[aria-expanded=true] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}.site-header #primary-navigation{display:none;order:3;width:100%;flex-direction:column;gap:0;align-items:stretch;padding:8px 0 0;margin-top:8px;border-top:1px solid var(--line);font-size:14px}.site-header .menu-toggle[aria-expanded=true]+#primary-navigation{display:flex}.site-header #primary-navigation a{display:block;padding:12px 4px;min-height:44px} }

@media(max-width:700px){.library-search input,.library-search select{min-height:48px;font-size:16px;width:100%;min-width:0}.library-search button{min-height:48px}.document-card,.empty-library,.exam-card{overflow-wrap:anywhere}}

@media(max-width:700px){.empty-library{padding:28px 20px}}