@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600&family=Montserrat:wght@600;700&display=swap');
:root{--navy:#10243a;--mint:#4ee1a0;--background:#f5f7fa;--slate:#475569;--gold:#d6a84b;--border:#dce3e9;--white:#fff;--error:#a52132}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0;background:var(--background);color:var(--navy);font-family:Inter,Arial,sans-serif;font-size:16px;line-height:1.65}h1,h2,h3,h4,button,.button{font-family:Montserrat,Arial,sans-serif}h1,h2,h3,h4{line-height:1.2;letter-spacing:-.035em;margin:0 0 20px}h1{font-size:clamp(36px,4.5vw,64px);font-weight:700}h2{font-size:clamp(28px,3vw,40px)}h3{font-size:21px}p{color:var(--slate);margin:0 0 20px}a{color:inherit;text-underline-offset:4px}button,input,textarea,select{font:inherit}button,a,input,textarea,select,summary{outline-offset:4px}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid #2776b7}button,.button{min-height:48px;cursor:pointer}.button,button{display:inline-flex;justify-content:center;align-items:center;gap:14px;padding:14px 22px;border:1px solid transparent;border-radius:10px;font-weight:600;text-decoration:none;background:var(--mint);color:var(--navy);transition:transform .18s,filter .18s;font-size:15px}.button:hover,button:hover{filter:brightness(.96);transform:translateY(-1px)}button:disabled{opacity:.55;cursor:not-allowed;transform:none}.secondary{background:transparent;border:1px solid var(--border)}.small{padding:9px 18px;min-height:44px}.full{width:100%}.text-link{font-size:14px;font-weight:600}.container{width:min(1160px,calc(100% - 64px));margin:auto}.topbar{height:100px;display:flex;justify-content:space-between;align-items:center;padding:12px max(32px,calc((100% - 1160px)/2));background:var(--background);border-bottom:1px solid var(--border)}.logo{width:170px;height:auto;display:block;mix-blend-mode:multiply}.topbar nav{display:flex;align-items:center;gap:28px}.topbar nav a{text-decoration:none;font-size:14px}.skip{position:absolute;left:-9999px}.skip:focus{position:fixed;left:16px;top:16px;z-index:20;background:white;padding:16px}.launch-banner{background:#e8eff5;text-align:center;padding:10px 24px;font-size:12px;color:var(--slate)}.hero{padding-top:80px;padding-bottom:80px;display:grid;grid-template-columns:1.1fr 1fr;gap:70px;align-items:center}.eyebrow{text-transform:uppercase;letter-spacing:.13em;font-weight:600;font-size:11px;margin-bottom:22px;display:flex;align-items:center;gap:9px}.dot{height:7px;width:7px;border-radius:100%;background:var(--mint)}h1 span{background:linear-gradient(transparent 77%,var(--mint) 77%);box-decoration-break:clone}.lead{font-size:18px;line-height:1.75;max-width:560px}.hero-actions{display:flex;gap:24px;align-items:center;margin:30px 0 22px}.micro{font-size:12px;line-height:2.1}.check{color:var(--navy);font-weight:bold;padding-right:8px}.hero-visual{padding:30px;border-radius:24px;background:#e7edf1;position:relative;border:1px solid #d3dfe6;box-shadow:24px 28px 0 -10px #e6eae7}.hero-visual h2{font-size:32px;margin-top:35px}.visual-top{display:flex;justify-content:space-between;gap:8px;align-items:center}.pill{display:inline-block;border-radius:30px;padding:6px 12px;background:var(--navy);color:white;font-size:11px;font-weight:600}.fine{font-size:12px;color:var(--slate);line-height:1.6}.focus-card{background:white;border-radius:14px;padding:20px;display:flex;align-items:center;gap:16px;border:1px solid var(--border)}.focus-card strong{display:block;font-size:18px}.focus-card p{margin:3px 0 0;font-size:12px}.focus-card .fine{font-size:9px;letter-spacing:.08em}.focus-icon{border-radius:12px;background:var(--mint);width:48px;height:54px;display:grid;place-items:center;font-family:Montserrat;font-size:28px;font-weight:bold}.demo-bars{margin:24px 0}.demo-bars>div{display:grid;grid-template-columns:1fr auto;gap:6px;font-size:12px;margin:16px 0}meter{display:block;grid-column:span 2;width:100%;height:10px;border:0}meter::-webkit-meter-bar{border:0;background:#d1dbe1;border-radius:20px}meter::-webkit-meter-optimum-value{background:var(--mint);border-radius:20px}.visual-bottom{border-top:1px solid #cbd6dd;padding-top:22px;display:flex;align-items:center;gap:16px}.visual-bottom p{margin:0;font-size:13px}.arrow-circle{margin-left:auto;border-radius:50%;background:var(--navy);color:white;display:grid;place-items:center;width:42px;height:42px}.step-number{font-family:Montserrat;font-size:12px;border:1px solid #a3b0bd;width:38px;height:38px;border-radius:50%;display:inline-grid;place-items:center;margin-bottom:20px}.visual-bottom .step-number{margin:0}.subject-strip{border-block:1px solid var(--border);padding:22px 0;font-size:13px;letter-spacing:.03em}.subject-strip .container{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}.subject-strip span{color:#9ba9b5}.section{padding-top:90px;padding-bottom:90px}.section-intro{max-width:680px;margin-bottom:44px}.section-intro p{max-width:570px}.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:45px}.steps article{border-top:1px solid var(--border);padding-top:28px}.steps p,.card p{font-size:14px;line-height:1.8}.contrast-section{background:var(--navy);padding:80px 0;color:white}.split{display:grid;grid-template-columns:1fr 1fr;gap:100px}.contrast-section p{color:#ced8e1}.contrast-section .eyebrow{color:var(--mint)}.contrast-section .button{margin-top:12px}.feature-list article{padding:20px 0;border-bottom:1px solid #344659}.feature-list article:first-child{padding-top:0}.feature-list h3{font-size:19px;margin-bottom:10px}.feature-list p{font-size:14px;margin:0}.goals-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.card{background:white;border:1px solid var(--border);border-radius:16px;padding:28px}.category{display:block;font-size:11px;font-weight:600;color:var(--slate);margin-bottom:45px;text-transform:uppercase;letter-spacing:.1em}.price-section{padding:80px 0;background:#e9eef0}.price-layout{display:grid;grid-template-columns:1.2fr 1fr;gap:90px;align-items:center}.price-card{background:white;border:1px solid #cbd7d9;border-radius:20px;padding:36px}.price-label{margin:25px 0 4px;font-size:13px}.price{font-family:Montserrat;font-weight:700;font-size:37px;letter-spacing:-.05em;line-height:1.3}.price span{font-size:15px;letter-spacing:0}.price-card>p{font-size:12px}.pix-price{padding:18px 0;margin:18px 0;border-block:1px solid var(--border);font-size:16px}.pix-price span{font-size:12px;display:block;color:var(--slate)}.price-card .button{margin-bottom:12px}.refund-note{padding-top:20px;border-top:1px solid var(--border);font-size:13px}.refund-note p{margin:6px 0}.refund-note a{font-size:12px}.checklist{list-style:none;padding:0;font-size:14px;line-height:2.5}.faq{display:grid;grid-template-columns:1fr 1.3fr;gap:80px}details{border-bottom:1px solid var(--border);padding:20px 0}summary{cursor:pointer;font-weight:600;font-size:15px;padding-right:16px}details p{font-size:14px;margin:16px 0 0}.closing{border-top:1px solid var(--border);padding-block:48px;display:flex;justify-content:space-between;align-items:center;gap:30px}.closing h2{font-size:30px}.closing .eyebrow{margin-bottom:12px}footer{padding:50px 0 24px;background:#edf1f5;border-top:1px solid var(--border)}.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:40px}.footer-grid a:not(:first-child){display:block;font-size:13px;margin:10px 0}.footer-grid strong{font-size:13px}.footer-grid p{font-size:13px;margin-top:15px}footer>.fine{margin-top:35px;padding-top:20px;border-top:1px solid var(--border)}.article{max-width:820px;padding-top:60px;padding-bottom:80px}.article h1{font-size:40px;margin-top:28px}.article h2{font-size:24px;margin-top:36px}.article .eyebrow{margin-top:25px}.article .card{margin-top:40px}
.hero-guarantee{border-left:3px solid var(--mint);padding:3px 0 3px 15px;margin:26px 0 18px;max-width:440px}.hero-guarantee strong{font-size:14px;display:block;line-height:1.6}.hero-guarantee a{font-size:12px;color:var(--slate)}.goals-grid{grid-template-columns:repeat(2,1fr)}.approval-section{background:#e1f2e9;border-block:1px solid #c7dfd2;padding:72px 0}.approval-layout{display:grid;grid-template-columns:1.2fr 1fr;gap:80px;align-items:center}.approval-layout h2{font-size:clamp(28px,3.3vw,43px)}.approval-layout>div>p{max-width:570px}.approval-promise{font-family:Montserrat;font-size:20px;font-weight:700;color:var(--navy);line-height:1.5}.approval-rules{padding:28px;border:1px solid #bed9cb;border-radius:16px;background:#f6fbf8}.approval-rules h3{margin-top:24px}.approval-rules>p{font-size:14px}.approval-rules a{font-size:13px;font-weight:600}.approval-rules .fine{font-size:12px;margin:18px 0 0}.hero-actions .button{white-space:nowrap}.logo{mix-blend-mode:normal}
/* Plataforma */
.auth-layout{min-height:100vh;display:grid;grid-template-columns:1fr 1fr}.auth-story{background:var(--navy);color:white;padding:70px;display:flex;flex-direction:column;justify-content:space-between}.auth-story h1{font-size:44px;max-width:490px}.auth-story p{color:#ced8e1;max-width:430px}.auth-mark{color:var(--mint);font-family:Montserrat;font-size:24px;font-weight:700}.auth-form-wrap{padding:70px 50px;display:flex;align-items:center;justify-content:center}.auth-form{width:100%;max-width:420px}.auth-form .logo{margin-bottom:35px}.auth-form h1{font-size:28px}.field{display:block;margin-bottom:18px}.field>span{font-size:13px;display:block;font-weight:600;margin-bottom:7px}input:not([type=checkbox]):not([type=radio]),select,textarea{border:1px solid #b9c7d4;border-radius:8px;min-height:48px;padding:12px;width:100%;background:white;color:var(--navy)}textarea{resize:vertical;min-height:120px}.checkbox{display:flex;gap:10px;align-items:flex-start;font-size:13px;margin:16px 0}.checkbox input{margin-top:5px;accent-color:var(--navy);width:18px;height:18px;flex-shrink:0}.divider{margin:22px 0;text-align:center;font-size:12px;color:var(--slate)}.alert{padding:14px 18px;border-radius:10px;background:#e3f5ed;color:var(--navy);font-size:14px;margin-bottom:20px}.alert.error{background:#fff0f1;color:var(--error)}.alert.warning{background:#fff4db}.app-shell{display:grid;grid-template-columns:244px 1fr;min-height:100vh}.sidebar{background:var(--navy);color:white;padding:32px 20px;position:sticky;top:0;height:100vh;display:flex;flex-direction:column}.sidebar .brand-word{font-family:Montserrat;font-size:30px;letter-spacing:-.05em;font-weight:700;margin:0 16px 3px}.sidebar .brand-sub{font-size:9px;letter-spacing:.3em;margin:0 16px 40px;color:#c5d2df}.sidebar nav{display:grid;gap:8px}.sidebar button{background:transparent;color:#c4cfdb;justify-content:flex-start;font-family:Inter;font-size:14px;font-weight:500;padding:13px 16px}.sidebar button.active{background:#233c52;color:white;border-left:3px solid var(--mint)}.sidebar nav svg{width:20px;height:20px;flex-shrink:0}.sidebar .bottom{margin-top:auto;padding-top:30px}.sidebar .bottom a{display:block;font-size:12px;color:#c4cfdb;margin:12px 16px}.workspace{padding:32px 45px;min-width:0}.workspace-top{display:flex;justify-content:space-between;gap:16px;align-items:center;margin-bottom:38px;padding-bottom:22px;border-bottom:1px solid var(--border)}.workspace-top .fine{margin-bottom:2px}.workspace-top h1{font-size:25px;margin:0}.avatar{width:40px;height:40px;border-radius:50%;background:#d9e7df;display:grid;place-items:center;object-fit:cover;font-weight:600}.welcome-panel{background:var(--navy);border-radius:18px;padding:32px 36px;color:white;display:flex;justify-content:space-between;align-items:center;gap:30px;margin-bottom:24px}.welcome-panel h2{font-size:28px;margin:0 0 10px}.welcome-panel p{color:#d4dce3;margin:0;max-width:510px;font-size:14px}.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin:24px 0}.stat{background:white;border:1px solid var(--border);padding:20px;border-radius:14px}.stat span{font-size:12px;color:var(--slate)}.stat strong{display:block;font-family:Montserrat;font-size:27px;margin-top:10px}.panel-grid{display:grid;grid-template-columns:1.25fr 1fr;gap:22px}.panel{background:white;border:1px solid var(--border);border-radius:16px;padding:26px;margin-bottom:22px}.panel h2{font-size:19px;margin-bottom:8px}.panel h3{font-size:16px}.panel-title{display:flex;justify-content:space-between;gap:12px;align-items:center;margin-bottom:20px}.topic-row{padding:16px 0;border-bottom:1px solid var(--border);display:flex;justify-content:space-between;gap:16px;align-items:center}.topic-row:last-child{border:0}.topic-row strong{display:block;font-size:13px}.topic-row small{color:var(--slate);font-size:12px}.level{font-size:12px;font-weight:600;background:#e9f4ee;padding:6px 10px;border-radius:6px;white-space:nowrap}.chart{height:160px;display:flex;gap:9px;align-items:flex-end;padding-top:15px}.chart-col{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:flex-end;height:100%;gap:8px}.chart-bar{background:var(--mint);border-radius:4px 4px 0 0;width:min(100%,32px);min-height:2px}.chart-col small{font-size:10px;color:var(--slate)}.chart-col span{font-size:11px}.chart-empty{padding:40px 0;text-align:center;color:var(--slate);font-size:14px}.question-area{max-width:840px;margin:0 auto}.question-toolbar{display:flex;gap:16px;justify-content:space-between;align-items:center;flex-wrap:wrap;margin-bottom:22px}.question-toolbar label{margin:0}.question-card{background:white;border:1px solid var(--border);border-radius:18px;padding:36px}.question-card h2{font-size:24px;line-height:1.6;letter-spacing:-.02em}.question-meta{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:24px}.question-meta span{background:#edf1f5;font-size:11px;padding:5px 10px;border-radius:5px}.option{display:flex;align-items:flex-start;gap:14px;border:1px solid var(--border);padding:16px;border-radius:10px;margin:10px 0;cursor:pointer;font-size:15px}.option:has(input:checked){border-color:var(--navy);background:#edf4f2}.option input{margin-top:6px;accent-color:var(--navy)}.option-letter{display:grid;place-items:center;min-width:26px;height:26px;border:1px solid #ccd6df;border-radius:5px;font-size:12px;font-weight:600}.question-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:25px}.feedback{margin-top:22px;padding:20px;background:#edf5f1;border-radius:10px;white-space:pre-wrap}.feedback h3{font-size:16px}.tabs{display:flex;gap:10px;margin-bottom:22px;flex-wrap:wrap}.tabs button{font-size:13px}.goals-picker{display:flex;gap:8px;flex-wrap:wrap}.goal-option{border:1px solid var(--border);border-radius:7px;padding:7px 10px;font-size:12px;cursor:pointer}.goal-option:has(input:checked){background:#def6e9;border-color:#81bb9e}.goal-option input{accent-color:var(--navy)}.profile-grid{display:grid;grid-template-columns:1fr 1fr;gap:25px}.wide{grid-column:1/-1}.ranking-row{display:grid;grid-template-columns:35px 44px 1fr auto;align-items:center;gap:14px;padding:20px 0;border-bottom:1px solid var(--border)}.ranking-row .rank{font-family:Montserrat;font-weight:bold;color:#80621f}.ranking-row strong{font-size:14px}.ranking-row p{font-size:12px;margin:0}.admin-tabs{margin-bottom:24px}.admin-item{border-bottom:1px solid var(--border);padding:16px 0}.admin-item p{font-size:13px;margin:0 0 8px}.admin-item .fine{display:block}.integration-status{display:flex;gap:10px;flex-wrap:wrap}.integration-status span{padding:7px 12px;background:#eef2f5;border-radius:7px;font-size:12px}.badge-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.badge{text-align:center;background:#f6f7f9;padding:20px 8px;border-radius:10px;font-size:12px}.badge svg{width:30px;height:30px;color:var(--gold);display:block;margin:0 auto 10px}.badge.locked{opacity:.5}.mobile-nav{display:none}.empty{text-align:center;padding:35px 15px}.empty h2{font-size:22px}.muted{color:var(--slate)}.notice{font-size:12px;margin-top:12px}table{width:100%;border-collapse:collapse;font-size:13px}th,td{text-align:left;border-bottom:1px solid var(--border);padding:12px}.scroll-table{overflow:auto}pre{white-space:pre-wrap;overflow-wrap:anywhere}.pending-list{font-size:13px}.pending-list li{margin:10px 0}
@media(min-width:1500px){.hero{padding-top:100px;padding-bottom:100px}}@media(max-width:1000px){.hero{gap:35px}.hero-actions{align-items:flex-start;flex-direction:column;gap:15px}.price-layout,.split{gap:45px}.workspace{padding:25px}.app-shell{grid-template-columns:210px 1fr}.panel-grid{grid-template-columns:1fr}.stats-grid{grid-template-columns:repeat(2,1fr)}.auth-story{padding:40px}.auth-form-wrap{padding:40px 25px}.price{font-size:30px}.faq{gap:35px}}
@media(max-width:720px){.container{width:calc(100% - 40px)}.topbar{height:78px;padding:10px 20px}.logo{width:140px}.topbar nav>a:not(.button){display:none}.topbar nav{gap:0}.hero{grid-template-columns:1fr;padding-block:45px;gap:35px}.hero-visual{padding:24px;box-shadow:none}.hero h1{font-size:40px;max-width:500px}.hero-actions{align-items:stretch}.hero-actions .text-link{text-align:center}.lead{font-size:16px}.section{padding-block:55px}.steps,.goals-grid{grid-template-columns:1fr;gap:20px}.steps article{padding-top:20px}.steps .step-number{margin-bottom:15px}.split,.price-layout,.faq{grid-template-columns:1fr;gap:30px}.contrast-section,.price-section{padding-block:50px}.price-card{padding:26px}.category{margin-bottom:25px}.closing{flex-direction:column;align-items:flex-start;padding-block:35px}.closing h2{font-size:26px}.footer-grid{grid-template-columns:1fr;gap:25px}.footer-grid .logo{width:150px}.auth-layout{grid-template-columns:1fr}.auth-story{display:none}.auth-form-wrap{padding:35px 22px;min-height:100vh}.auth-form{max-width:450px}.app-shell{display:block}.sidebar{height:auto;position:static;padding:16px 20px}.sidebar .brand-word{font-size:24px;margin:0}.sidebar .brand-sub{display:none}.sidebar nav{display:flex;overflow:auto;margin-top:15px;gap:4px}.sidebar button{font-size:11px;padding:10px;min-height:44px;white-space:nowrap;gap:6px}.sidebar nav svg{width:16px}.sidebar .bottom{display:none}.workspace{padding:20px}.workspace-top{margin-bottom:22px;padding-bottom:15px}.workspace-top h1{font-size:21px}.welcome-panel{padding:24px;flex-direction:column;align-items:flex-start}.welcome-panel h2{font-size:24px}.stats-grid{gap:10px}.stat{padding:16px}.stat strong{font-size:24px}.panel,.question-card{padding:22px}.question-card h2{font-size:20px}.profile-grid{grid-template-columns:1fr}.badge-grid{grid-template-columns:repeat(3,1fr)}.article h1{font-size:32px}.article{padding-top:35px}.question-actions>*{flex:1}.ranking-row{gap:8px;grid-template-columns:25px 35px 1fr auto}.ranking-row .avatar{width:32px;height:32px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important;animation:none!important}}
@media(max-width:720px){.goals-grid,.approval-layout{grid-template-columns:1fr}.approval-layout{gap:28px}.approval-section{padding:48px 0}.approval-rules{padding:24px}.hero-guarantee{margin-top:22px}.hero-actions .button{white-space:normal}.hero-visual h2{font-size:28px}}

/* Estudo: matéria, dificuldade e retorno da resposta. */
.question-meta-v2{justify-content:space-between;align-items:center;gap:18px;margin-bottom:14px}
.subject-badges{display:flex;flex-wrap:wrap;gap:8px;flex:1}
.question-meta .subject-badge{display:inline-flex;align-items:center;gap:9px;padding:11px 15px;border-radius:12px;background:#dff8ed;color:#13563f;font-family:Montserrat,sans-serif;font-size:12px;font-weight:600;border:1px solid #b2ecd2}
.subject-badge svg{width:18px;height:18px;flex-shrink:0}
.question-meta .difficulty-badge{display:flex;align-items:center;gap:11px;background:#f1f7f4;border:1px solid #d4e9dd;padding:10px 14px;border-radius:12px;color:#226446}
.difficulty-badge>span:last-child{display:flex;flex-direction:column;gap:1px;background:none;padding:0}
.difficulty-badge strong{font-size:12px;font-family:Montserrat,sans-serif}.difficulty-badge small{font-size:10px;opacity:.85}
.question-meta .difficulty-bars{display:flex;align-items:flex-end;gap:3px;height:23px;background:none;padding:0}
.difficulty-bars i{width:5px;height:7px;border-radius:3px;background:#d4dfd8}.difficulty-bars i:nth-child(2){height:11px}.difficulty-bars i:nth-child(3){height:15px}.difficulty-bars i:nth-child(4){height:19px}.difficulty-bars i:nth-child(5){height:23px}.difficulty-bars i.filled{background:#2baf78}
.question-meta .difficulty-3{background:#fff7e6;border-color:#f1dfb5;color:#8b6318}.difficulty-3 .difficulty-bars i.filled{background:#c8932e}
.question-meta .difficulty-4,.question-meta .difficulty-5{background:#fff0eb;border-color:#f1ccbf;color:#a34c30}.difficulty-4 .difficulty-bars i.filled,.difficulty-5 .difficulty-bars i.filled{background:#d5714d}
.theme-badges{display:flex;flex-wrap:wrap;gap:7px;margin-bottom:23px}.theme-badges span{font-size:11px;font-weight:500;color:#526579;background:#f2f5f8;border-radius:20px;padding:6px 11px}
.study-counter{display:flex;align-items:center;gap:12px}.counter-icon{display:grid;place-items:center;background:#ddf6e9;border-radius:12px;width:44px;height:44px;color:#217454}.counter-icon svg{width:22px;height:22px}.study-counter strong{font-family:Montserrat,sans-serif;font-size:25px;color:var(--navy);line-height:1}.study-counter span:not(.counter-icon){font-size:12px;color:#536579}.study-counter small{display:block;margin-top:4px;font-size:10px;color:#6b7f8f}
.option{transition:border-color .16s,background .16s,box-shadow .16s;position:relative;align-items:center;flex-wrap:wrap;min-height:66px}
.option:not(.answer-reviewed):hover{border-color:#7bcba7;background:#f4fbf7;box-shadow:0 3px 10px #10243a06}.option:not(.answer-reviewed):has(input:checked){border-color:#2c9e70;background:#e9f9f0;box-shadow:0 0 0 2px #4ee1a024}
.option-copy{flex:1;min-width:150px}.option:has(input:focus-visible){outline:3px solid #4ee1a080;outline-offset:3px}.option input{margin-top:0;flex-shrink:0}
.option.answer-reviewed{cursor:default}.option.answer-correct,.option.answer-correct:has(input:checked){background:#e4f8ed;border-color:#2f9b68;box-shadow:inset 4px 0 #2f9b68;color:#164e35}
.answer-correct .option-letter{background:#238655;border-color:#238655;color:white}.answer-correct input{accent-color:#238655}
.option.answer-wrong,.option.answer-wrong:has(input:checked){background:#fff0f0;border-color:#d76868;box-shadow:inset 4px 0 #d76868;color:#8a3434}.answer-wrong .option-letter{background:#c45252;border-color:#c45252;color:white}.answer-wrong input{accent-color:#c45252}
.option.answer-muted{background:#fafbfd;color:#778592;border-color:#e7edf1}.option-status{font-size:11px;font-weight:700;white-space:nowrap;padding:5px 8px;border-radius:6px;background:#ffffffa6;margin-left:auto}
.feedback.feedback-correct{background:#e4f8ed;color:#19583c;border:1px solid #b1dec5}.feedback.feedback-wrong{background:#fff1ee;color:#93492f;border:1px solid #f0d3c8}
.workspace select{appearance:none;-webkit-appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='20' height='20' viewBox='0 0 24 24' fill='none' stroke='%23277959' stroke-width='2.4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m7 10 5 5 5-5'/%3E%3C/svg%3E"),linear-gradient(110deg,#fff,#edf9f2);background-repeat:no-repeat;background-position:right 13px center,0 0;background-size:20px,100%;border:1.5px solid #afd8c4;border-radius:11px;padding:13px 42px 13px 15px;color:#183e31;font-weight:500;box-shadow:0 3px 9px #194b2f06;cursor:pointer;transition:border-color .15s,box-shadow .15s}
.workspace select:hover{border-color:#54ba8c}.workspace select:focus{border-color:#2ba46f;outline:3px solid #4ee1a032;outline-offset:2px}.workspace select option{background:#fff;color:#173d31;padding:10px}.workspace select option:checked{background:#dcf6e8;color:#164b33}
.study-intro{border-top:4px solid #4ee1a0}.study-intro .profile-grid{gap:18px}.study-intro .field>span{font-weight:600;color:#244c3c}
@media(max-width:640px){.question-meta-v2{align-items:flex-start;gap:12px}.question-meta .subject-badge{font-size:11px;padding:9px 11px}.question-meta .difficulty-badge{padding:8px 10px}.question-toolbar{gap:12px;align-items:center}.study-counter strong{font-size:22px}.counter-icon{width:36px;height:36px}.option{gap:10px;padding:14px 12px}.option-copy{min-width:110px}.option-status{margin-left:50px}.theme-badges{margin-bottom:18px}}

.explanation-heading{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;margin-bottom:12px}.explanation-heading h3{margin:0}.contest-button{padding:6px 10px;font-size:11px;font-weight:600;border:1px solid #f97316;background:#ffedd5;color:#9a3412;border-radius:8px;min-height:32px;box-shadow:none}.contest-button:hover{background:#c2410c;border-color:#c2410c;color:#fff}.contest-button:focus-visible{outline:3px solid #fdba74;outline-offset:3px}.contest-status{font-size:11px;color:#376752}.review-notice{padding:18px;border:1px solid #dac27a;background:#fff8df;border-radius:14px;margin:18px 0}.admin-item details{margin-bottom:14px}


.question-origin{font-size:12px;line-height:1.6;color:#516579;margin:16px 0}.origin-official,.origin-simulated{display:inline-block;border-radius:6px;padding:3px 8px;font-weight:600;margin-right:5px}.origin-official{background:#e5f4ff;color:#165883}.origin-simulated{background:#edf1f5;color:#465a6f}.source-details{margin-top:20px;border-top:1px solid #d9e3e7;padding-top:12px;font-size:12px}.source-details summary{cursor:pointer;font-weight:600}.source-details p{margin:10px 0;overflow-wrap:anywhere}

.library-hidden-notice{display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;padding:18px 22px;margin:20px 0;border:1px solid #badacf;border-left:4px solid #37bb8f;border-radius:14px;background:#edf8f3;color:#204b40}.library-hidden-notice p{margin:0;flex:1;min-width:220px}.contest-card-unselected{background:#641c35;border:1px solid #8c3653;color:#fff5f8}.contest-card-unselected h2,.contest-card-unselected strong{color:#fff5f8}.contest-card-unselected .fine{color:#f1d6e0}.contest-card-unselected a{color:#ffe0b8;text-decoration:underline;text-underline-offset:3px}.contest-card-unselected a:hover{color:#fff}.contest-card-unselected .pill{background:#f9e9ef;color:#641c35;border-color:#dca9ba}.contest-admin-label{display:block;margin-bottom:14px;color:#ffdae7;font-size:11px;font-weight:600;letter-spacing:.02em}.contest-card-unselected a:focus-visible{outline:3px solid #fdba74;outline-offset:4px}

.edition-list{display:grid;gap:12px;margin:16px 0}.edition-item{padding:15px;border:1px solid #cad7df;border-radius:12px;background:#f5f9fb;color:#102b40}.edition-heading{display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap}.edition-item .fine{color:#485d6b}.edition-status{font-size:10px;font-weight:600;border-radius:20px;background:#fff0d8;color:#844510;padding:5px 9px}.edition-ready{background:#d9f6e9;color:#116843}.contest-card-unselected .edition-item strong{color:#102b40}.contest-card-unselected .edition-item a{color:#72401b}.contest-card-unselected .edition-item .fine{color:#485d6b}

.answer-coaching{margin:16px 0;padding:17px 20px;border-radius:12px;border:1px solid #f1c38e;border-left:4px solid #e97e28;background:#fff4e7;color:#803b14}.answer-coaching strong{display:block;font-size:14px}.answer-coaching p{margin:7px 0 0;font-size:13px;line-height:1.65}.coaching-quick-correct{background:#fff9e6;border-color:#ead080;border-left-color:#c39a35;color:#6b5011}
.goal-open-button{display:inline-flex;align-items:center;gap:10px;margin:16px 0 4px}.goal-open-button svg{width:19px;height:19px}.selected-goals-summary{display:flex;gap:9px;flex-wrap:wrap;margin-top:16px}.selected-goal{border:1px solid #9bceba;background:#e6f7ef;color:#174a3c;border-radius:9px;padding:8px 12px;font-size:12px;font-weight:600}.goal-dialog{width:min(800px,calc(100vw - 28px));max-height:90dvh;padding:0;border:1px solid #d4e0e5;border-radius:22px;background:white;color:var(--navy);box-shadow:0 28px 90px #081d3b4d}.goal-dialog::backdrop{background:#0e253bb3;backdrop-filter:blur(4px)}.goal-dialog-shell{display:flex;flex-direction:column;max-height:88dvh}.goal-dialog-header{display:flex;justify-content:space-between;gap:16px;padding:26px 28px 20px;border-bottom:1px solid var(--border)}.goal-dialog-header h2{font-size:23px;line-height:1.35;margin:7px 0 0}.goal-dialog-close{align-self:flex-start;min-width:38px;min-height:38px;padding:2px;font-size:25px}.goal-dialog-body{padding:22px 28px;overflow:auto;overscroll-behavior:contain}.goal-dialog-description{color:var(--slate);font-size:14px;margin:0 0 20px}.goal-breadcrumb{font-size:11px;font-weight:600;color:#23765b;background:#ecf8f2;border-radius:8px;padding:8px 12px;margin:0 0 14px}.goal-choice-grid,.goal-contest-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:13px}.goal-state-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}.goal-tile{display:flex;flex-direction:column;align-items:flex-start;justify-content:flex-start;text-align:left;gap:7px;padding:20px;min-height:130px;border:1px solid #c4d5dd;border-radius:13px;background:#f8fbfc;color:var(--navy);font-family:inherit;white-space:normal;box-shadow:none;transition:border-color .15s,background .15s}.goal-tile:hover:not(:disabled){border-color:#36b58e;background:#edf9f3;filter:none}.goal-tile:focus-visible,.goal-selected-chip:focus-visible{outline:3px solid #21866c;outline-offset:3px}.goal-tile-title{font-size:15px;font-weight:600;line-height:1.45}.goal-tile-description{font-size:12px;font-weight:400;line-height:1.6;color:#506679}.goal-tile-count{font-size:10px;font-weight:600;border-radius:20px;padding:4px 9px;color:#1d7055;background:#e3f5ec;margin-top:auto}.goal-tile:disabled{opacity:.55;cursor:not-allowed}.goal-state-grid .goal-tile{min-height:104px;padding:15px}.goal-state-grid .goal-tile-title{font-size:13px}.goal-picker-selection{margin-top:23px;padding-top:18px;border-top:1px solid var(--border)}.goal-picker-selection h3{font-size:12px;margin:0 0 10px}.goal-picker-selection h3>span{display:inline-grid;place-items:center;min-width:23px;height:23px;margin-left:5px;background:#e6f5ed;border-radius:20px;color:#1b6a50}.goal-selected-list{display:flex;gap:8px;flex-wrap:wrap}.goal-selected-chip{display:flex;gap:9px;align-items:center;text-align:left;border:1px solid #9bcbb8;color:#164d3b;background:#e8f8ef;padding:7px 10px;border-radius:9px;font-size:11px;font-weight:500}.goal-selected-chip>span{font-size:16px}.goal-tile-selected{background:#e3f8ed;border:2px solid #25976f;padding:19px}.goal-tile-check{font-size:11px;color:#14744f;font-weight:600;margin-top:auto}.goal-dialog-footer{border-top:1px solid var(--border);padding:18px 28px 19px;background:#f8fafb}.goal-dialog-footer>div{display:flex;gap:10px;justify-content:space-between}.goal-dialog-footer button{font-size:12px;min-height:42px}.goal-dialog-footer p{font-size:11px;color:#607284;margin:12px 0 0;line-height:1.6}@media(max-width:600px){.goal-dialog-header{padding:20px}.goal-dialog-header h2{font-size:19px}.goal-dialog-body{padding:18px 20px}.goal-choice-grid,.goal-contest-grid{grid-template-columns:1fr}.goal-state-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.goal-tile{min-height:110px;padding:16px}.goal-dialog-footer{padding:16px 20px}.goal-dialog-footer>div{flex-wrap:wrap}.goal-dialog-footer button{flex:1}.goal-dialog{border-radius:17px}}

/* Gabaritei: logo transparente e proporções preservadas. */
.logo{object-fit:contain;height:auto;aspect-ratio:3/1}.sidebar-brand-logo{display:block;width:200px;max-width:100%;height:auto}.auth-brand-logo{display:block;width:260px;max-width:100%;height:auto;filter:brightness(0) invert(1)}.brand-word{display:block;line-height:1}.sidebar{padding-top:26px}.sidebar nav{margin-top:24px}