@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;450;500;550;600;650;700;750;800&display=swap');
:root{--bg:#f9fbff;--surface:#fff;--blue:#1758d3;--blue2:#0f48b8;--ink:#172645;--muted:#73819b;--line:#e4eaf4;--soft:#edf4ff;--shadow:0 16px 42px rgba(33,73,135,.065);--radius:20px;font-family:'DM Sans',Inter,-apple-system,BlinkMacSystemFont,'Segoe UI',Arial,sans-serif;color:var(--ink);background:var(--bg)}
*{box-sizing:border-box}body{margin:0;min-height:100vh}button,input,select,textarea{font:inherit}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.5}button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:3px solid #b3cdfd;outline-offset:2px}a{color:inherit}.hidden{display:none!important}.page-width{max-width:1240px;margin:0 auto;padding:0 32px}.site-shell{min-height:100vh;display:flex;flex-direction:column}main{flex:1}.topbar{background:rgba(255,255,255,.96);border-bottom:1px solid #e8edf6;position:sticky;top:0;z-index:10;backdrop-filter:blur(12px)}.top-inner{height:82px;max-width:1304px;margin:auto;padding:0 32px;display:flex;align-items:center;gap:46px}.brand{background:none;border:0;color:#1656ca;display:flex;align-items:center;gap:8px;padding:0;flex-shrink:0}.brand-mark{width:35px;height:35px;display:flex}.brand-mark svg{width:100%;height:100%}.brand-word{font-size:30px;font-weight:800;letter-spacing:-2px}.brand-dot{color:#6ea6fc}.nav-links{display:flex;align-items:center;gap:5px;flex:1}.nav-btn{border:0;border-radius:10px;background:none;color:#697793;padding:12px 16px;font-size:14px;font-weight:650;white-space:nowrap}.nav-btn:hover{color:var(--blue);background:var(--soft)}.nav-btn.active{color:var(--blue);background:var(--soft)}.top-actions{display:flex;align-items:center;gap:20px}.demo-pill{font-size:12px;color:#7685a0;white-space:nowrap}.demo-dot{width:7px;height:7px;display:inline-block;border-radius:50%;background:#3aaa90;margin-right:4px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:16px;border-radius:11px;font-weight:750;font-size:14px;border:1px solid transparent;padding:13px 18px;transition:background .15s,border-color .15s,transform 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#8eb7f5;border-radius:50%;width:344px;height:192px;opacity:.85}.orbit-a{transform:rotate(-28deg)}.orbit-b{transform:rotate(33deg);border-color:#bad4fa}.orbit-c{transform:rotate(92deg);width:315px;height:172px;border-color:#b5d1fa}.planet-core{height:145px;width:145px;border-radius:50%;background:linear-gradient(135deg,#3b8df4,#164db6);display:flex;align-items:center;justify-content:center;box-shadow:0 24px 54px #1c65d544;position:relative;z-index:2}.planet-core span{font-size:68px;color:white;font-weight:450;font-family:Georgia,serif}.mini-planet{position:absolute;border-radius:50%;z-index:3}.p-one{width:24px;height:24px;background:#4d99fb;top:88px;right:44px;box-shadow:0 0 0 8px 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var(--line)}.metric:last-child{border-right:none}.metric-icon{color:var(--blue);background:#edf4ff;width:43px;height:43px;border-radius:11px;font-size:23px;display:flex;align-items:center;justify-content:center}.metric div{display:flex;flex-direction:column}.metric strong{font-size:26px;line-height:1.1}.metric span:not(.metric-icon){color:#8391a8;font-size:11px;margin-top:5px}.section-heading{margin-top:78px;display:flex;align-items:end;justify-content:space-between;gap:18px}.section-heading h2{font-size:28px;letter-spacing:-.9px;margin:10px 0 0}.section-subtitle{font-size:12px;color:#8591a7;max-width:270px;line-height:1.6;text-align:right}.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:17px;margin-top:25px}.feature-card{background:white;border:1px solid var(--line);border-radius:17px;padding:25px;box-shadow:0 10px 29px 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#d8e8ff}.feedback-box.success{background:#effaf4;color:#285a43;border-color:#d4efdf}.feedback-box.wrong{background:#fff7ed;color:#7b5836;border-color:#fae5c7}.feedback-box strong{display:block;margin-bottom:4px}.question-footer{display:flex;align-items:center;justify-content:space-between;border-top:1px solid var(--line);padding-top:19px;margin-top:34px}.question-provenance{font-size:10px;color:#9ba8ba;margin-top:25px;line-height:1.6}.question-provenance span{color:#5899ea}.notebook-panel{padding:26px}.notebook-top{display:flex;justify-content:space-between;align-items:center;gap:8px}.notebook-eyebrow{font-size:9px;font-weight:800;letter-spacing:1.2px;color:#8098b9}.notebook-top h2{font-size:24px;margin:5px 0;letter-spacing:-.6px}.auto-save{font-size:9px;color:#6b9d8d;white-space:nowrap}.notebook-description{font-size:12px;color:#8795aa;line-height:1.7;margin:10px 0 20px}.mini-tabs{display:flex;background:#f0f4fa;padding:4px;border-radius:9px;margin-bottom:14px}.mini-tab{border:0;flex:1;background:none;color:#7d8ca2;font-weight:750;padding:10px;border-radius:7px;font-size:12px}.mini-tab.active{background:white;color:var(--blue);box-shadow:0 1px 4px #0000000e}#notebook-text{width:100%;height:315px;resize:vertical;border:1px solid #e0e7f1;border-radius:11px;background:repeating-linear-gradient(white 0px,white 29px,#e9f0fa 30px);color:#315174;line-height:30px;padding:5px 14px;font-size:13px}.notebook-tip{color:#9da9ba;font-size:10px;margin-top:10px}.canvas-wrap{border:1px solid #e0e7f1;background:white;border-radius:11px;overflow:hidden}#draw-canvas{display:block;width:100%;height:310px;touch-action:none;cursor:crosshair}.draw-actions{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-top:12px}.draw-actions span{color:#9aa7ba;font-size:10px}.notebook-bottom{border-top:1px solid var(--line);margin-top:24px;padding-top:17px;color:#9ba7b9;display:flex;gap:8px;align-items:flex-start;font-size:11px;line-height:1.6}.notebook-bottom span{font-size:17px;color:#8db4ec}.narrow-page{max-width:850px;padding-top:57px;padding-bottom:80px}.results-heading{text-align:center;margin-bottom:36px}.result-symbol{width:61px;height:61px;border-radius:50%;background:#e3f6ec;color:#279264;display:flex;align-items:center;justify-content:center;font-size:28px;font-weight:800;margin:0 auto 21px}.results-heading .eyebrow{justify-content:center}.results-heading h1{font-size:36px;letter-spacing:-1.2px;margin:10px 0}.results-heading p{color:#8998ac;font-size:13px}.result-card{padding:25px;margin-bottom:18px}.result-summary{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;text-align:center}.result-metric{display:flex;flex-direction:column;gap:7px;border-right:1px solid var(--line)}.result-metric:last-child{border-right:0}.result-metric strong{font-size:32px;color:var(--blue)}.result-metric span{color:#8a99ad;font-size:11px}.result-card h3,.dashboard-card h3{font-size:18px;margin:0 0 16px}.result-card p{line-height:1.75;font-size:13px;color:#75849a}.skill-row{display:flex;align-items:center;gap:12px;border-top:1px solid #eef1f6;padding:14px 0}.skill-row:last-child{padding-bottom:0}.skill-label{font-size:12px;font-weight:700;flex:1}.skill-bar{width:155px;background:#e6edf7;border-radius:30px;height:8px;overflow:hidden}.skill-bar-fill{height:100%;background:#367ee6;border-radius:30px}.skill-rate{font-size:12px;color:#71849e;min-width:45px;text-align:right}.recommendation{border-left:3px solid #2370d5;padding:10px 17px;background:#f5f9ff;border-radius:0 9px 9px 0;margin-bottom:12px}.recommendation strong{font-size:13px}.recommendation p{margin:5px 0 0;font-size:12px}.results-actions{display:flex;justify-content:center;gap:12px;margin-top:28px}.dashboard-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:17px;margin-bottom:21px}.dashboard-card{padding:24px}.dashboard-card .small-label{font-size:11px;color:#8b9bb0}.dashboard-card .big-num{font-size:37px;color:var(--blue);font-weight:800;margin-top:13px;display:block}.dashboard-card .metric-details{font-size:11px;color:#98a6b8;margin-top:7px}.dashboard-wide{grid-column:span 3}.empty-state{text-align:center;padding:57px 25px;color:#8493a9}.empty-state .empty-icon{font-size:46px;color:#8db7f6}.empty-state h3{color:#2a4566;font-size:19px;margin-bottom:8px}.empty-state p{max-width:430px;line-height:1.75;margin:0 auto 22px;font-size:13px}.notebook-list{display:grid;grid-template-columns:repeat(2,1fr);gap:15px}.notebook-item{padding:24px}.notebook-item .note-label{font-size:10px;color:#7c93b4;font-weight:800;letter-spacing:.7px}.notebook-item h3{margin:9px 0;font-size:16px}.notebook-item p{font-size:12px;line-height:1.7;color:#7b8ba4;white-space:pre-wrap;overflow-wrap:anywhere;max-height:100px;overflow:hidden}.notebook-item img{width:100%;border-radius:8px;border:1px solid var(--line);max-height:150px;object-fit:contain;background:white}.toast{position:fixed;bottom:28px;left:50%;transform:translateX(-50%);background:#173661;color:white;border-radius:11px;padding:14px 20px;font-size:12px;box-shadow:0 15px 30px #0d285d3d;z-index:30;max-width:90vw;text-align:center}
@media(max-width:1050px){.top-inner{gap:21px}.nav-btn{padding:10px}.demo-pill{display:none}.setup-grid{grid-template-columns:minmax(0,1fr) 280px}.hero h1{font-size:51px}.hero-art{transform:scale(.9)}}
@media(max-width:780px){.page-width{padding:0 19px}.top-inner{height:67px;padding:0 17px;gap:12px}.brand-word{font-size:25px}.brand-mark{width:29px;height:29px}.nav-links{gap:1px;overflow-x:auto}.nav-btn{font-size:11px;padding:9px 8px}.top-actions{display:none}.hero{grid-template-columns:1fr;padding-top:45px;gap:2px}.hero h1{font-size:clamp(39px,9vw,59px);letter-spacing:-1.9px}.hero-art{height:280px;transform:scale(.75);transform-origin:center center;margin-top:-20px}.hero-description{font-size:14px}.metric-row{padding:17px 10px;gap:7px}.metric{gap:7px}.metric-icon{width:30px;height:30px;font-size:18px}.metric strong{font-size:20px}.metric span:not(.metric-icon){font-size:9px}.section-heading{margin-top:45px;align-items:start;flex-direction:column}.section-subtitle{text-align:left}.feature-grid{grid-template-columns:1fr;margin-top:16px}.info-strip{margin-bottom:50px}.footer-inner{flex-direction:column;justify-content:center;text-align:center;padding-top:16px!important;padding-bottom:16px!important;min-height:80px}.inner-page{padding-top:32px!important;padding-bottom:45px!important}.page-header h1{font-size:36px}.setup-grid{grid-template-columns:1fr}.sticky-card{position:static}.practice-grid,.practice-grid.no-book{grid-template-columns:1fr}.practice-page{padding-top:22px!important}.practice-top{align-items:start;flex-direction:column}.practice-top h1{font-size:26px}.practice-top-actions{width:100%;justify-content:space-between}.practice-top-actions .btn{padding:11px;font-size:11px}.question-panel{min-height:unset}.dashboard-grid{grid-template-columns:1fr}.dashboard-wide{grid-column:span 1}.notebook-list{grid-template-columns:1fr}.results-heading h1{font-size:28px}}
@media(max-width:460px){.nav-links .nav-btn{font-size:0;padding:8px}.nav-links .nav-btn:nth-child(1):after{content:'Início'}.nav-links .nav-btn:nth-child(2):after{content:'Questões'}.nav-links .nav-btn:nth-child(3):after{content:'Dados'}.nav-links .nav-btn:nth-child(4):after{content:'Notas'}.nav-links .nav-btn:after{font-size:10px}.top-inner{justify-content:space-between}.hero-buttons{flex-direction:column;align-items:stretch}.hero-art{margin-left:-30px}.subjects-row,.form-grid,.mode-options.two-cols{grid-template-columns:1fr}.setup-panel{padding:20px}.question-panel,.notebook-panel{padding:20px}.question-panel h2{margin-top:22px}.q-prompt{font-size:16px}.session-bar{gap:8px;font-size:9px}.result-summary{grid-template-columns:1fr;gap:18px}.result-metric{border-right:0;border-bottom:1px solid var(--line);padding-bottom:13px}.result-metric:last-child{border-bottom:0}.results-actions{flex-direction:column}.skill-bar{width:65px}.hero-art-caption{right:37px}}

.nav-links a.nav-btn{display:inline-flex;text-decoration:none;align-items:center}#admin-link{white-space:nowrap}@media(max-width:900px){#admin-link{display:inline-flex;font-size:12px;padding:8px}}