@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;450;500;550;600;650;700&family=Manrope:wght@400;500;600;650;700;750;800&display=swap');
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p{font-size:10px;line-height:1.7}.correct-text{color:var(--green)}.wrong-text{color:var(--red)}.formula-layout{display:grid;grid-template-columns:220px 1fr;gap:28px;padding-bottom:50px}.formula-sidebar{align-self:start;position:sticky;top:24px}.formula-sidebar h2{font-size:10px;letter-spacing:1px;text-transform:uppercase;color:var(--muted);margin:7px 0 15px}.filter-link{width:100%;display:flex;justify-content:space-between;align-items:center;gap:10px;text-align:left;padding:13px 12px;border-radius:8px;font-size:11px;background:transparent;color:var(--muted);margin-bottom:4px}.filter-link.active{background:#e6eddc;color:var(--deep);font-weight:600}.filter-link:hover{background:var(--soft)}.filter-link small{font-size:9px}.formula-tip{margin-top:24px;border-top:1px solid var(--line);padding:18px 10px 0;font-size:10px;color:var(--muted);line-height:1.8}.formula-tip strong{display:block;color:var(--green);margin-bottom:6px}.search-box{display:flex;align-items:center;gap:10px;background:white;border:1px solid var(--line);border-radius:9px;padding:12px 15px;margin-bottom:20px;color:var(--muted)}.search-box input{background:transparent;border:0;outline:0;width:100%;font-size:12px;color:var(--ink)}.search-box:focus-within{border-color:#88a66f}.formula-count{font-size:10px;color:var(--muted);margin-bottom:14px}.formulas-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.formula-card{padding:23px;display:flex;flex-direction:column}.formula-card-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px}.formula-card .pill{font-size:8px}.icon-btn{display:grid;place-items:center;background:transparent;border-radius:6px;padding:5px;color:#89947f}.icon-btn:hover{color:var(--green);background:var(--soft)}.icon-btn.favorited{color:var(--green);background:#e6eddc}.formula-card h2{font-size:15px;font-weight:650;letter-spacing:-.3px;margin-bottom:14px}.formula-equation{background:#f1f5ea;color:var(--deep);border-left:2px solid #b3cd8e;border-radius:0 7px 7px 0;padding:13px;font-size:12px;font-weight:550;line-height:1.8;margin-bottom:14px;overflow-wrap:anywhere}.formula-card p{font-size:10px;color:var(--muted);line-height:1.8}.formula-example{margin-top:auto;padding-top:15px}.formula-example small{display:block;font-size:8px;text-transform:uppercase;letter-spacing:1px;color:#8a9580;margin-bottom:5px}.formula-example span{font-size:10px;color:var(--green);line-height:1.7}.formula-card-bottom{display:flex;justify-content:flex-end;margin-top:12px}.copy-button{background:none;font-size:9px;display:flex;gap:5px;align-items:center;color:var(--muted)}.copy-button:hover{color:var(--green)}dialog{padding:30px;border:1px solid var(--line);border-radius:20px;background:var(--bg);color:var(--ink);max-width:550px;width:calc(100% - 40px);max-height:85vh;overflow:auto;box-shadow:0 20px 80px #142f2620}dialog::backdrop{background:#18352866;backdrop-filter:blur(3px)}dialog h2{font-size:22px;letter-spacing:-.6px;margin-bottom:16px}dialog p{font-size:12px;color:var(--muted);line-height:1.8;margin-bottom:16px}.dialog-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:24px}.sources-list{display:grid;gap:9px}.sources-list a{padding:12px;border:1px solid var(--line);border-radius:8px;background:white;display:flex;gap:10px;align-items:center;font-size:11px}.sources-list a span{flex:1}.sources-list small{display:block;font-size:9px;color:var(--muted);margin-top:4px}.dialog-close{float:right;margin:-10px -10px 10px 10px;background:transparent;padding:8px;border-radius:8px}#toast{position:fixed;left:50%;bottom:24px;transform:translate(-50%,20px);background:var(--deep);color:white;border:1px solid #61816d;border-radius:10px;padding:13px 19px;font-size:12px;z-index:100;opacity:0;pointer-events:none;transition:opacity .2s,transform .2s;box-shadow:0 8px 30px #1a3e2f20;max-width:calc(100% - 30px);text-align:center}#toast.visible{opacity:1;transform:translate(-50%,0)}.print-note{display:none}.mobile-only{display:none}
.practice-right{position:sticky;top:14px}.answers-panel .step-list{max-height:325px;overflow-y:auto;padding-right:4px;scrollbar-width:thin;scrollbar-color:#c1d0b4 transparent}.calculator-panel{position:static}.fact-button,.fact-button strong{font-size:12px}.step-button{font-size:12px}.step-value{font-size:11px}.panel-help{font-size:11px}.calc-heading small{font-size:10px}.key.utility,.key.cancel,.key.auxiliary,.key.numbers{font-size:11px}.saved-values button{font-size:11px}
.number-grid{grid-template-columns:repeat(3,1fr)}
@media(min-width:1450px){.container{width:min(1280px,calc(100% - 100px))}.home-hero{padding-top:85px;padding-bottom:76px}.home-title{font-size:74px}.study-card{min-height:310px}}
@media(max-width:1050px){.header-note{display:none}.main-nav{gap:22px}.container{width:calc(100% - 48px)}.home-hero{gap:20px}.home-title{font-size:58px}.study-card{padding:22px}.study-card h3{font-size:20px}.quiz-layout{grid-template-columns:minmax(0,1fr) 250px;gap:18px}.session-card{padding:19px}.quiz-card{padding:25px}.exercise-grid{grid-template-columns:repeat(2,1fr)}.practice-layout{grid-template-columns:minmax(260px,.85fr) minmax(0,1.2fr)}.facts-panel,.answers-panel,.calculator-panel{padding:17px}.fact-button{font-size:9px;padding:10px}.formula-layout{grid-template-columns:190px 1fr;gap:20px}.formulas-grid{gap:13px}.formula-card{padding:19px}.heading-actions .btn{padding:11px 13px}}
@media(max-width:760px){.container{width:calc(100% - 36px)}.header-inner{height:auto;min-height:78px;flex-wrap:wrap;gap:4px;padding-top:18px}.brand{width:100%;justify-content:center}.brand-name{font-size:19px}.brand-icon{height:33px;width:33px}.main-nav{width:100%;justify-content:center;gap:24px;height:49px;font-size:11px;overflow-x:auto}.home-hero{grid-template-columns:1fr;padding:42px 0 35px;gap:0}.eyebrow{font-size:9px;margin-bottom:21px;letter-spacing:1.5px}.home-title{font-size:53px;letter-spacing:-2.7px;max-width:470px}.hero-copy{font-size:13px;max-width:370px;margin:20px 0}.hero-meta{font-size:10px;gap:14px}.hero-art{display:none}.section-top{margin-bottom:17px;align-items:flex-end}.section-top h2{font-size:18px}.section-top .subtle{font-size:9px;text-align:right;max-width:125px;line-height:1.5}.study-grid{grid-template-columns:1fr;gap:13px}.study-card{padding:23px;min-height:0;position:relative}.study-card .card-top{margin-bottom:15px}.study-card h3{font-size:21px;margin-bottom:10px}.study-card h3 br{display:none}.study-card p{font-size:12px;max-width:100%;margin-bottom:15px}.study-card .card-link{padding-top:14px;font-size:11px}.card-icon{height:38px;width:38px;border-radius:11px}.home-bottom{margin:26px 0 25px;align-items:flex-start;flex-direction:column;gap:17px}.home-bottom-copy p{font-size:10px}.footer-inner{flex-wrap:wrap;justify-content:center;text-align:center;font-size:9px}.footer-brand{width:100%;font-size:10px}.footer-links{gap:15px}.site-footer{padding:23px 0}.page-heading{padding:25px 0 23px}.breadcrumb{margin-bottom:20px;font-size:10px}.heading-row{align-items:flex-start;flex-direction:column;gap:18px}.page-heading h1{font-size:29px;letter-spacing:-1px;line-height:1.3}.page-heading p{font-size:12px}.heading-actions{flex-wrap:wrap}.heading-actions .btn{font-size:10px;min-height:35px;padding:8px 12px}.quiz-layout{grid-template-columns:1fr;display:flex;flex-direction:column;padding-bottom:30px;gap:17px}.quiz-content{width:100%;order:2}.session-card{order:1;position:static;width:100%;padding:18px}.session-card .question-grid{margin:13px 0;grid-template-columns:repeat(10,1fr);gap:5px}.question-cell{height:27px;font-size:9px}.session-count{margin:13px 0 8px}.session-title{font-size:12px}.session-description{font-size:9px}.session-legend{margin:11px 0;font-size:8px}.session-card .btn{min-height:35px;font-size:11px}.session-foot{font-size:8px}.quiz-card{padding:22px 18px;min-height:0}.quiz-topline{margin-bottom:20px}.question-text{font-size:17px;line-height:1.6;margin-bottom:20px}.option{padding:12px;font-size:11px;gap:10px}.option-letter{height:25px;width:25px}.flag-btn{font-size:9px}.question-index{font-size:9px}.option-state{font-size:8px}.question-navigation .btn{font-size:11px;padding:10px 12px}.score-panel{padding:21px;gap:18px;flex-wrap:wrap}.score-value{font-size:37px}.score-content h2{font-size:16px}.score-content p{font-size:10px}.score-panel .btn{width:100%;font-size:11px}.score-data{gap:12px;font-size:9px}.cat-result{grid-template-columns:125px 1fr 35px;gap:8px;font-size:9px}.category-results{padding:18px}.all-toolbar{font-size:10px}.exercise-grid{grid-template-columns:1fr;gap:14px}.exercise-card{min-height:0;padding:23px}.exercise-card p{font-size:12px}.exercise-card h2{font-size:20px}.catalog-intro{font-size:10px;gap:16px;line-height:1.6}.notice{font-size:10px;padding:14px}.practice-heading h1{font-size:25px}.practice-layout{grid-template-columns:1fr;gap:16px}.practice-right{gap:15px}.facts-panel{padding:18px}.facts-list{grid-template-columns:1fr 1fr;gap:7px}.fact-button{flex-direction:column;align-items:flex-start;gap:7px;padding:10px;font-size:9px;line-height:1.5}.fact-button strong{align-self:flex-end;font-size:10px}.panel-heading h2{font-size:13px}.panel-help{font-size:10px}.step-button{font-size:10px;padding:10px;gap:8px}.step-value{min-width:67px;font-size:9px;padding:5px}.calculator-panel{position:sticky;bottom:8px;padding:17px}.calc-heading small{font-size:8px}.calc-expression{font-size:11px}.keyboard-grid{gap:6px}.key{min-height:42px}.key.utility,.key.cancel,.key.auxiliary,.key.numbers{font-size:9px}.practice-actions{align-items:flex-start;flex-wrap:wrap;padding-bottom:25px}.practice-actions .btn{font-size:11px}.practice-actions>span{width:100%;order:2;line-height:1.7}.formula-layout{grid-template-columns:1fr;gap:18px;padding-bottom:30px}.formula-sidebar{position:static}.formula-sidebar h2,.formula-tip{display:none}.formula-sidebar nav{display:flex;overflow-x:auto;gap:5px}.filter-link{flex-shrink:0;white-space:nowrap;width:auto;font-size:10px;padding:10px;margin:0}.filter-link small{font-size:8px}.formulas-grid{grid-template-columns:1fr;gap:13px}.formula-card{padding:22px}.formula-card h2{font-size:17px}.formula-equation{font-size:12px}.formula-card p,.formula-example span{font-size:11px}.search-box{margin-bottom:13px}.sources-list a{font-size:10px}.print-note{font-size:10px}dialog{padding:25px}.dialog-actions .btn{font-size:10px}.correction-card{padding:18px}.solution-row .solution-heading{font-size:10px}.solution-row p{font-size:10px}}
@media(max-width:760px){.practice-right{position:static;top:auto}.calculator-panel{position:static}.answers-panel .step-list{max-height:285px}}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important;scroll-behavior:auto!important}}
@media print{body{background:white;color:black}.site-header,.site-footer,.formula-sidebar,.search-box,.heading-actions,.copy-button,.icon-btn,.breadcrumb,#toast,.formula-count{display:none!important}.container{width:100%}.page-heading{padding:0 0 15px}.page-heading h1{font-size:26px}.formula-layout{display:block}.formulas-grid{grid-template-columns:1fr 1fr;gap:12px}.formula-card{break-inside:avoid;box-shadow:none;padding:16px;border-radius:8px}.formula-card h2{font-size:13px}.formula-equation{font-size:10px}.formula-card p,.formula-example span{font-size:9px}.print-note{display:block;margin-bottom:15px}a{color:black}}

/* Acesso individual e aprovação manual */
.account-link{display:inline-flex;align-items:center;gap:7px;color:var(--green);text-decoration:none;font-weight:600;white-space:nowrap}.footer-links a{color:inherit;text-decoration:none}.access-layout{display:grid;grid-template-columns:minmax(260px,.82fr) minmax(320px,1.18fr);gap:24px;padding-bottom:64px;align-items:start}.access-card{padding:34px}.access-card h2{font-size:23px;margin:12px 0;line-height:1.25}.access-card p{line-height:1.7}.access-price{font-size:64px;line-height:1.2;letter-spacing:-3px;font-weight:650;color:var(--green);margin:16px 0}.access-price small{font-size:17px;letter-spacing:0;font-weight:400;color:var(--muted)}.access-features{list-style:none;padding:12px 0;margin:0 0 16px}.access-features li{display:flex;gap:10px;align-items:flex-start;margin:16px 0;font-size:13px;line-height:1.6}.access-features svg{flex:none;margin-top:2px;color:var(--green)}.access-loading{margin:60px auto;padding:60px;display:flex;justify-content:center;align-items:center;gap:12px;color:var(--muted)}.access-form{display:grid;gap:15px;margin-top:20px}.access-form h2,.access-form p{margin:0}.access-form label,.admin-search{display:grid;gap:7px;font-size:12px;font-weight:550}.access-form input:not([type=checkbox]),.access-form textarea,.admin-search input{box-sizing:border-box;width:100%;border:1px solid var(--border,#dedfd7);padding:12px 14px;border-radius:9px;background:#fff;color:var(--ink);font:inherit;font-size:14px;min-height:45px}.access-form textarea{min-height:90px;resize:vertical}.access-form .checkbox-label{display:flex;align-items:flex-start;gap:10px;font-size:12px;font-weight:400;line-height:1.6}.checkbox-label input{width:17px;height:17px;flex:none;margin:2px 0 0;accent-color:#214f3c}.access-form .btn{justify-self:start}.form-error{color:#a53832;font-size:12px;line-height:1.6}.form-error:empty{display:none}.account-top{display:flex;gap:20px;justify-content:space-between;align-items:flex-start;padding-bottom:22px;margin-bottom:20px;border-bottom:1px solid var(--border,#dedfd7);font-size:11px;line-height:1.7}.account-top strong{display:block;overflow-wrap:anywhere}.account-top a{color:var(--green)}.access-active{display:flex;align-items:flex-start;gap:12px;background:#eef4e6;border:1px solid #d8e4c8;border-radius:12px;padding:20px;margin-bottom:18px}.access-active svg{flex:none;color:var(--green)}.access-active strong{font-size:16px}.access-active p{font-size:12px;margin:5px 0 0}.access-buttons{display:flex;gap:10px;flex-wrap:wrap;margin:16px 0 30px}.mbway-number{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:20px;background:#f3f5ee;border:1px solid #dce4d4;border-radius:12px;margin:20px 0}.mbway-number strong{font-size:23px;letter-spacing:.02em}.payment-status h2{margin-top:15px}.payment-status .text-button{margin:16px 0;display:block}.admin-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-bottom:24px}.admin-stats .panel{padding:23px;display:flex;gap:20px;align-items:center}.admin-stats strong{font-size:30px;color:var(--green)}.admin-stats span{font-size:12px;color:var(--muted)}.admin-settings{padding:24px;margin-bottom:24px}.admin-settings summary{display:flex;align-items:center;gap:10px;font-weight:600;cursor:pointer}.admin-settings summary .pill{margin-left:auto}.settings-fields{display:grid;grid-template-columns:1fr 1fr;gap:18px}.admin-section{padding:26px;margin-bottom:26px}.admin-section-heading{display:flex;justify-content:space-between;gap:24px;align-items:start;margin-bottom:20px}.admin-section-heading h2{font-size:22px;margin:0 0 10px}.admin-section-heading p{font-size:12px;line-height:1.7;color:var(--muted);max-width:650px;margin:0}.admin-search{min-width:210px}.table-scroll{overflow-x:auto}.admin-table{width:100%;border-collapse:collapse;font-size:12px}.admin-table th{text-align:left;color:var(--muted);font-size:10px;text-transform:uppercase;letter-spacing:.07em;font-weight:500;padding:14px 12px;border-bottom:1px solid var(--border,#dedfd7)}.admin-table td{padding:18px 12px;border-bottom:1px solid var(--border,#dedfd7);vertical-align:top;min-width:160px}.admin-table td>strong,.admin-table td>span{display:block;margin-bottom:6px;line-height:1.6;overflow-wrap:anywhere}.admin-table td>span:not(.pill){color:var(--muted);font-size:11px}.table-actions{display:flex;gap:8px;flex-wrap:wrap}.attention-pill{background:#fff1cb;color:#805b16}.attention-text{color:#936514;font-size:11px;font-weight:600}.member-row{border-top:1px solid var(--border,#dedfd7);padding:17px 0}.member-row summary{display:grid;grid-template-columns:1fr 1fr 1fr;gap:20px;align-items:center;cursor:pointer;font-size:12px}.member-row summary strong,.member-row summary small{display:block;overflow-wrap:anywhere}.member-row summary small{font-size:10px;color:var(--muted);margin-top:5px;line-height:1.6}.member-details{padding:20px;background:#f7f8f2;margin-top:18px;border-radius:10px;display:grid;gap:14px}.member-details strong,.member-details span{display:block;font-size:11px;line-height:1.7}.member-details span{color:var(--muted)}.member-details .btn{justify-self:start}.admin-section .notice{margin:15px 0 24px;font-size:11px}.access-flow>.btn{margin:12px 0}.access-card>.text-button{font-size:12px;display:inline-flex;align-items:center;gap:8px;margin-top:16px}.admin-table tr[hidden]{display:none}
@media(max-width:1000px){.header-note{display:none}.access-layout{grid-template-columns:1fr 1.2fr}.access-card{padding:24px}.admin-section-heading{display:block}.admin-search{margin-top:16px;max-width:360px}.admin-table td{min-width:170px}}
@media(max-width:700px){.access-layout{grid-template-columns:1fr}.access-card{padding:24px}.access-price{font-size:54px}.admin-stats{gap:8px}.admin-stats .panel{padding:15px;display:block}.admin-stats span{display:block;font-size:10px;margin-top:7px}.settings-fields{grid-template-columns:1fr}.admin-section,.admin-settings{padding:19px}.member-row summary{grid-template-columns:1fr 1fr}.member-row summary>span:last-child{grid-column:1/-1}.mbway-number{padding:15px}.mbway-number strong{font-size:20px}.access-loading{padding:40px 15px}.access-buttons{flex-direction:column;align-items:start}.main-nav{gap:18px}.header-note{display:none}}

/* Contas próprias e gestão de dispositivos */
.auth-tabs{display:flex;gap:5px;padding:4px;background:#f0f3ec;border-radius:9px;margin-bottom:23px}
.auth-tabs button{flex:1;padding:11px 15px;border:0;background:transparent;color:var(--muted);font:inherit;font-weight:600;border-radius:6px;cursor:pointer}
.auth-tabs button.selected{background:#fff;color:var(--green);box-shadow:0 1px 5px #183d3210}
.admin-entry{max-width:580px;margin:0 auto 60px}.admin-entry>.notice{margin-top:25px}
.owner-setup{margin-top:30px;padding-top:20px;border-top:1px solid var(--border);font-size:12px}.owner-setup summary{cursor:pointer;color:var(--muted)}
.owner-setup p{margin:15px 0;line-height:1.7}.account-password{margin-top:25px}.sharing-event{font-size:12px;line-height:1.7}
.recovery-value{display:flex;flex-direction:column;gap:8px;font-size:12px}.recovery-value input{width:100%;font:12px monospace;padding:12px;border:1px solid var(--border);border-radius:6px}
.member-details .access-buttons{flex-wrap:wrap}.access-flow .account-top{gap:15px;flex-wrap:wrap}

.admin-stats{grid-template-columns:repeat(auto-fit,minmax(170px,1fr))}#access-request>h2{margin-top:6px}#access-request>.notice{margin-bottom:0}