@charset "UTF-8";
:root{--navy:#0f1f3d;--blue:#1f4fd8;--yellow:#ffb800;--muted:#657089;--line:#e4e8f0;--paper:#f5f7fb;--white:#fff}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--navy);background:var(--white);font-family:Manrope,Sora,system-ui,-apple-system,"Segoe UI",sans-serif;font-size:16px;line-height:1.6}a{color:var(--blue);text-decoration:none}a:hover{text-decoration:underline}button,input{font:inherit}button,a,input{touch-action:manipulation}a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid var(--yellow);outline-offset:4px}button{cursor:pointer}h1,h2,h3,p{margin-top:0}h1,h2,h3{line-height:1.13;letter-spacing:-.035em}h1{font-size:clamp(42px,5.8vw,78px);font-weight:780;margin-bottom:24px}h1 span{color:var(--blue)}h2{font-size:clamp(28px,3vw,40px);margin-bottom:18px}h3{font-size:23px}small{display:block;color:var(--muted);font-size:13px}main{min-height:70vh}.container{max-width:1200px;margin-left:auto;margin-right:auto;padding-left:28px;padding-right:28px}.header{max-width:1440px;margin:auto;min-height:110px;padding:25px 5%;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);gap:24px}.brand img{display:block;width:240px;height:auto}.header nav{display:flex;align-items:center;gap:28px;font-size:14px;font-weight:650}.header nav>a:not(.button){color:var(--navy)}.header nav [aria-current]{color:var(--blue)!important}.header form{margin:0}.link-button{background:none;border:0;color:var(--muted);padding:8px 0}.button{display:inline-flex;align-items:center;justify-content:center;gap:24px;background:var(--blue);color:white;border:1px solid var(--blue);padding:16px 24px;border-radius:12px;font-weight:700;line-height:1.4;min-height:52px}.button:hover{background:#193fad;text-decoration:none}.button-small{padding:12px 20px;min-height:46px}.button-yellow{background:var(--yellow);border-color:var(--yellow);color:var(--navy)}.button-yellow:hover{background:#efad00}.full{width:100%}.hero{display:grid;grid-template-columns:1.08fr 1fr;gap:55px;padding-top:76px;padding-bottom:76px;align-items:center}.eyebrow{font-size:11px;font-weight:800;letter-spacing:.16em;margin-bottom:24px}.dot{display:inline-block;width:8px;height:8px;background:var(--yellow);border-radius:50%;margin-right:7px}.lead{font-size:18px;color:var(--muted);line-height:1.8}.actions{display:flex;flex-wrap:wrap;gap:20px;align-items:center;margin-top:30px}.text-link{font-size:14px;font-weight:650}.quiet{color:var(--muted)}.hero-note{font-size:12px;margin-top:24px}.hero-art{position:relative;min-height:475px;background:var(--paper);border-radius:28px;overflow:hidden;border:1px solid var(--line)}.art-top{position:absolute;top:30px;left:28px;right:28px;display:flex;justify-content:space-between;gap:12px;font-size:9px;font-weight:800;letter-spacing:.12em;z-index:2}.road{position:absolute;width:240px;height:660px;border:65px solid var(--navy);border-radius:160px;top:-105px;left:140px;transform:rotate(35deg)}.road:after{content:"";position:absolute;inset:-34px;border:3px dashed var(--yellow);border-radius:160px}.road-marker{position:absolute;background:white;border-radius:12px;padding:12px 16px;box-shadow:0 8px 30px #0f1f3d15;display:flex;align-items:center;gap:12px;font-size:13px;font-weight:750}.road-marker span{background:var(--paper);border-radius:8px;padding:4px 8px;color:var(--blue)}.marker-start{top:110px;left:30px}.marker-end{top:260px;right:24px}.art-card{position:absolute;bottom:25px;left:25px;right:25px;background:white;border-radius:17px;box-shadow:0 10px 40px #0f1f3d10;padding:18px;display:flex;gap:14px;align-items:center}.art-card strong{font-size:15px}.art-card small{font-size:12px}.art-card>span{margin-left:auto;color:var(--blue);font-size:24px}.section{padding-top:50px;padding-bottom:80px;border-top:1px solid var(--line)}.section-heading{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:30px}.section-heading>p{color:var(--muted);font-size:15px}.feature-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}.feature{border:1px solid var(--line);padding:30px;border-radius:20px;background:white}.feature p{color:var(--muted);font-size:15px}.feature-number{display:inline-flex;width:42px;height:42px;background:#edf2ff;border-radius:12px;align-items:center;justify-content:center;color:var(--blue);font-weight:800;font-size:13px;margin-bottom:28px}.badge{display:inline-block;padding:5px 11px;background:#eaf0ff;color:var(--blue);font-weight:750;font-size:11px;border-radius:7px}.badge.muted{color:#606b7d;background:#f0f2f6}.footer{padding-top:25px;padding-bottom:30px;border-top:1px solid var(--line);display:flex;gap:30px;color:var(--muted);font-size:12px}.footer>a{font-weight:800;color:var(--navy)}.footer>span:last-child{margin-left:auto}.auth-layout{display:grid;grid-template-columns:1fr 1fr;gap:100px;align-items:center;padding-top:65px;padding-bottom:80px}.auth-intro h1{font-size:clamp(42px,5vw,66px)}.auth-mark{margin-top:25px}.form-card{padding:36px;border:1px solid var(--line);border-radius:22px;background:white;box-shadow:0 15px 65px #0f1f3d05}.form-card h2{font-size:29px}.form-card>p{font-size:14px}label{display:block;font-size:13px;font-weight:700;margin-bottom:7px;margin-top:20px}input:not([type=checkbox]){width:100%;border:1px solid #cdd4e2;border-radius:10px;padding:12px 14px;min-height:48px;color:var(--navy);background:white}input[readonly]{background:var(--paper)}input[type=checkbox]{accent-color:var(--blue);width:17px;height:17px}.form-card small{margin-top:6px}.form-card form>.button{margin-top:24px}.form-row{display:flex;justify-content:space-between;gap:12px;align-items:center;margin:19px 0 0;font-size:12px}.checkbox{margin:0;display:flex;align-items:center;gap:8px;font-weight:500}.form-bottom{text-align:center;margin-top:24px;margin-bottom:0;font-size:13px}.centered{max-width:510px;margin:65px auto 85px}.notice,.error-box{border-radius:12px;padding:18px 24px;margin-top:25px;margin-bottom:25px;font-size:14px}.notice{background:#edf5f0;color:#195c37}.error-box{background:#fff1f0;color:#8b251c}.error-box ul{margin-bottom:0}.dashboard{padding-top:55px;padding-bottom:70px}.page-heading{display:flex;justify-content:space-between;gap:25px;align-items:center;margin-bottom:32px}.page-heading h1{font-size:40px;margin-bottom:12px}.page-heading .eyebrow{margin-bottom:15px}.welcome-panel{display:flex;justify-content:space-between;align-items:center;gap:30px;background:var(--blue);color:white;border-radius:24px;padding:40px;margin-bottom:28px}.welcome-panel .eyebrow{color:#d0ddff}.welcome-panel p:not(.eyebrow){color:#e1e9ff}.welcome-panel img{flex-shrink:0}.account-grid{display:grid;grid-template-columns:1.3fr 1fr;gap:28px;align-items:start}.stat{font-size:50px;letter-spacing:-.04em;color:var(--blue)}.skip{position:absolute;left:16px;top:-100px;background:var(--navy);color:white;padding:12px;z-index:5}.skip:focus{top:10px}
@media(max-width:950px){.hero{gap:28px}.hero-art{min-height:425px}.road{left:95px}.auth-layout{gap:40px}.header nav{gap:16px}.brand img{width:200px}.feature{padding:23px}.hero h1{font-size:58px}}
@media(max-width:700px){.container{padding-left:20px;padding-right:20px}.header{padding:20px;min-height:85px;flex-wrap:wrap;gap:18px}.brand img{width:195px}.header nav{flex-wrap:wrap;font-size:12px;gap:16px}.header nav>a[href$="#kaip-veiks"]{display:none}.button-small{min-height:40px;padding:10px 14px}.hero{grid-template-columns:1fr;padding-top:42px;padding-bottom:40px;gap:28px}.hero h1{font-size:55px}.hero-art{min-height:355px}.road{left:45%;top:-155px}.marker-end{top:180px}.art-card{bottom:18px;left:18px;right:18px}.section{padding-top:40px;padding-bottom:45px}.section-heading{display:block}.feature-grid{grid-template-columns:1fr}.feature-number{margin-bottom:16px}.feature{padding:24px}.auth-layout{grid-template-columns:1fr;padding-top:35px;gap:20px;padding-bottom:45px}.auth-intro h1{font-size:40px}.auth-intro .lead,.auth-mark{display:none}.form-card{padding:24px}.centered{margin:35px 20px 50px}.form-row{flex-wrap:wrap}.page-heading{align-items:start;flex-direction:column;gap:12px}.page-heading h1{font-size:32px}.welcome-panel{padding:27px}.welcome-panel img{display:none}.account-grid{grid-template-columns:1fr}.footer{flex-wrap:wrap;gap:10px 20px}.footer>span:last-child{margin-left:0}.dashboard{padding-top:35px}.header form{margin-left:auto}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

/* Question bank */
select,textarea{font:inherit;width:100%;border:1px solid #cdd4e2;border-radius:10px;padding:12px 14px;color:var(--navy);background:white}textarea{resize:vertical}select:focus-visible,textarea:focus-visible,summary:focus-visible{outline:3px solid var(--yellow);outline-offset:3px}.bank-stats{margin-bottom:25px}.bank-stats .feature{padding:18px 25px}.bank-stats p{margin:0}.bank-stats .stat{font-size:34px}.bank-filters{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:15px;margin-bottom:25px}.bank-filters label{margin-top:0}.bank-filters .actions{grid-column:1/-1;margin:0}.bank-row{display:flex;justify-content:space-between;gap:24px;border:1px solid var(--line);border-radius:16px;padding:24px;margin-bottom:12px}.bank-row>div:first-child{min-width:0}.bank-row>div:last-child{flex-shrink:0}.bank-row h2{font-size:20px;margin:8px 0;overflow-wrap:anywhere}.bank-row p{margin:10px 0 0}.answer-fieldset{border:0;padding:0;margin:30px 0}.answer-fieldset legend{font-size:18px;font-weight:750;margin-bottom:12px}.answer-edit{border-top:1px solid var(--line);padding-bottom:16px}.answer-edit .checkbox{margin-top:10px}.category-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.question-image{display:block;max-width:100%;max-height:500px;object-fit:contain;margin:22px 0}.question-body{margin-top:25px;white-space:pre-wrap;overflow-wrap:anywhere}.answer-preview{padding-left:25px}.answer-preview li{padding:15px;border:1px solid var(--line);border-radius:10px;margin-bottom:12px}.answer-preview .correct{background:#edf5f0;border-color:#b5d8c1}.answer-preview strong{display:block;color:#195c37;font-size:13px}.preserve-lines{white-space:pre-wrap;overflow-wrap:anywhere}.revision-card{margin-top:24px}.revision-card h2{font-size:23px}details{border-bottom:1px solid var(--line);padding:14px 0}summary{cursor:pointer;font-weight:650}details p{font-size:14px;margin-top:12px;overflow-wrap:anywhere}.taxonomy-row{border-top:1px solid var(--line);margin-top:24px;padding-top:10px}
@media(max-width:850px){.bank-filters{grid-template-columns:1fr 1fr}.bank-row{flex-direction:column}.category-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:500px){.bank-filters{grid-template-columns:1fr}}

.ai-history{margin-top:45px}button:disabled{opacity:.5;cursor:not-allowed}

.ket-text{margin-top:30px;max-width:85ch}.ket-text p{scroll-margin-top:25px}

.ket-sign{border-bottom:1px solid var(--line);padding:22px 0}.ket-sign h2{font-size:20px}.ket-sign-images{display:flex;flex-wrap:wrap;gap:18px}.ket-sign-images img{max-width:180px;max-height:180px;object-fit:contain}.ket-diagram{max-width:100%;max-height:520px;object-fit:contain}.ket-text figure{margin:20px 0}.ket-anchor{font-size:13px;text-decoration:none}.ket-contents{max-width:85ch}.ket-contents nav{max-height:420px;overflow:auto}.ket-contents [aria-current=page]{font-weight:800}