:root{
  --wm:var(--wm-l);
  --bg:#FFFFFF;--panel:#FFFFFF;--panel2:#F5F5F3;--line:#DCDCDC;--fg:#202020;--muted:#626262;
  --accent:#ED1C24;--accent-ink:#ffffff;--accent-text:#C81018;--btn:#C81018;--accent-soft:#FCE9EA;
  --ok:#28734D;--ok-soft:#E6F1EA;--bad:#B4232A;--info:#345F83;--blocked:#555555;--warn:#8f5c00;--warn-soft:#faefd3;
  --paper:#ffffff;--paper-ink:#111111;
  --c-azul:#345F83;--c-verde:#28734D;--c-laranja:#9A6A3D;--c-roxo:#705E8C;--c-vermelho:#ED1C24;--c-cinza:#68737F;
  --d-fisica:#496B8A;--d-quimica:#7B5A7A;--d-matematica:#376B67;--d-biologia:#587447;--d-historia:#9A6A3D;--d-geografia:#477E91;--d-portugues:#705E8C;--d-lingua:#68737F;
  --display:"Oswald","Arial Narrow",Arial,sans-serif;
  --body:"Nunito Sans",Arial,system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --math:"STIX Two Math","STIX Two Text","Cambria Math","Times New Roman",serif;
  --r:4px;
}
:root[data-theme="dark"]{
  --bg:#171717;--panel:#242424;--panel2:#2e2e2e;--line:#3d3d3d;--fg:#F5F5F3;--muted:#b0b0ac;
  --accent:#FF4A50;--accent-text:#FF4A50;--btn:#C81018;--accent-soft:#3e1719;--ok:#5fc58e;--ok-soft:#14351f;--bad:#ff7a7f;--info:#7fb0d8;--blocked:#a0a0a0;--warn:#e8b04a;--warn-soft:#3a2c0f;
  --c-azul:#7fb0d8;--c-verde:#5fc58e;--c-laranja:#d9a46d;--c-roxo:#b8a5d8;--c-cinza:#a3acb5;--wm:var(--wm-d);color-scheme:dark}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{background:var(--bg);color:var(--fg);font-family:var(--body);font-size:16px;line-height:1.55;margin:0;font-variant-numeric:tabular-nums}
h1,h2,h3,h4{font-family:var(--display);font-weight:500;letter-spacing:.015em;margin:0;text-wrap:balance}
p{margin:0 0 12px}
button{font-family:inherit;font-size:inherit;color:inherit}
:focus-visible{outline:3px solid var(--accent);outline-offset:2px}
.wrap{max-width:960px;margin:0 auto;padding-inline:16px}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.muted{color:var(--muted)}
.num{font-variant-numeric:tabular-nums}
/* barra superior */
#top{position:sticky;top:0;z-index:30;background:var(--bg);border-bottom:1px solid var(--line)}
#top .in{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:56px}
.brand{display:flex;align-items:baseline;gap:8px;background:none;border:0;padding:0;cursor:pointer;text-align:left}
.brand b{font-family:var(--display);font-size:22px;letter-spacing:.06em;text-transform:uppercase;font-weight:600}
.brand b i{color:var(--accent);font-style:normal}
.brand small{color:var(--muted);font-size:11px;letter-spacing:.16em;text-transform:uppercase;font-weight:700}
.chip{display:inline-flex;align-items:center;gap:8px;border:1px solid var(--line);background:var(--panel);border-radius:999px;padding:3px 12px 3px 4px;font-size:13px;font-weight:700}
.chip .em{width:48px;height:26px;display:block}
.back{background:none;border:0;color:var(--muted);font-weight:700;cursor:pointer;padding:10px 0;min-height:44px;font-size:14px}
.back:hover{color:var(--fg)}
main{padding-block:18px 120px}
/* botoes */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;padding:10px 20px;border-radius:10px;border:1.5px solid var(--accent);background:var(--accent);color:var(--accent-ink);font-weight:700;font-size:15px;cursor:pointer;text-align:center;text-decoration:none}
.btn:hover{filter:brightness(.94)}
.btn[disabled]{opacity:.45;cursor:not-allowed;filter:none}
.btn.ghost{background:transparent;color:var(--fg);border-color:var(--line)}
.btn.ghost:hover{border-color:var(--fg)}
.btn.sm{min-height:38px;padding:6px 14px;font-size:13px}
.row{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
/* cartoes */
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--r);padding:18px;min-width:0}
.card+.card{margin-top:14px}
.eyebrow{color:var(--muted);font-size:11px;letter-spacing:.16em;text-transform:uppercase;font-weight:700;margin-bottom:6px}
.eyebrow.red{color:var(--accent-text)}
.bar{height:8px;background:var(--panel2);border-radius:99px;overflow:hidden}
.bar i{display:block;height:100%;background:var(--accent);border-radius:99px}
.bar i.done{background:var(--ok)}
/* home */
.home{display:grid;gap:14px}
.home .card{margin:0}
@media(min-width:820px){.home{grid-template-columns:1.35fr 1fr;align-items:start}.home .col{display:grid;gap:14px}}
.home .col{display:grid;gap:14px;min-width:0}
.hero{display:grid;grid-template-columns:minmax(104px,150px) 1fr;gap:16px;align-items:center}
.hero .emb{width:100%}.hero .emb svg{display:block;width:100%;height:auto;filter:drop-shadow(0 2px 6px rgba(0,0,0,.25))}
.hero h1{font-size:30px;line-height:1.1;text-transform:uppercase}
.hero .pat{font-family:var(--display);font-size:20px;color:var(--accent-text);letter-spacing:.04em;text-transform:uppercase}
.mission h2{font-size:22px;margin-bottom:8px}
.steps{list-style:none;margin:12px 0 16px;padding:0;display:grid;gap:8px}
.steps li{display:flex;align-items:center;gap:10px;font-size:14px}
.steps .ck{width:22px;height:22px;border-radius:50%;border:2px solid var(--line);display:grid;place-items:center;flex:none;font-size:12px;font-weight:700}
.steps .on .ck{background:var(--ok);border-color:var(--ok);color:#fff}
.trail{list-style:none;margin:0;padding:0}
.trail li{display:grid;grid-template-columns:34px 1fr auto;gap:10px;align-items:center;padding:10px 0;border-top:1px solid var(--line)}
.trail li:first-child{border-top:0}
.trail .st{width:28px;height:28px;border-radius:50%;display:grid;place-items:center;font-size:12px;font-weight:700;border:2px solid var(--line);color:var(--muted)}
.trail .done .st{background:var(--ok);border-color:var(--ok);color:#fff}
.trail .now .st{background:var(--accent);border-color:var(--accent);color:#fff;box-shadow:0 0 0 4px var(--accent-soft)}
.trail .lock{opacity:.55}
.trail b{display:block;font-weight:700;line-height:1.25}
.trail .cd{font-size:11px;letter-spacing:.12em;color:var(--muted);font-weight:700}
.tag{font-size:11px;letter-spacing:.1em;text-transform:uppercase;font-weight:700;padding:3px 8px;border-radius:99px;background:var(--panel2);color:var(--muted);white-space:nowrap}
.tag.red{background:var(--accent-soft);color:var(--accent-text)}
.tag.ok{background:var(--ok-soft);color:var(--ok)}
.trail button.go{all:unset;cursor:pointer;display:contents}
.rowbtn{display:grid;grid-template-columns:34px 1fr auto;gap:10px;align-items:center;width:100%;text-align:left;background:none;border:0;padding:10px 0;cursor:pointer;border-top:1px solid var(--line)}
.chips{display:grid;grid-template-columns:repeat(auto-fill,minmax(64px,1fr));gap:6px;margin-top:10px}
.chips span{font-size:11px;text-align:center;border:1px dashed var(--line);border-radius:6px;padding:5px 0;color:var(--muted);letter-spacing:.06em}
details>summary{cursor:pointer;font-weight:700;font-size:14px;padding:8px 0;list-style:none}
details>summary::-webkit-details-marker{display:none}
details>summary:before{content:"▸ ";color:var(--accent-text)}
details[open]>summary:before{content:"▾ "}
.ladder{display:flex;gap:6px;overflow-x:auto;padding-bottom:4px}
.ladder div{flex:1 0 88px;text-align:center;border:1px solid var(--line);border-radius:10px;padding:8px 4px;font-size:11px;color:var(--muted);font-weight:700;background:var(--panel)}
.ladder div.cur{border-color:var(--accent);color:var(--fg);background:var(--accent-soft)}
.ladder svg{width:100%;max-width:80px;height:auto;display:block;margin:0 auto 4px}.ladder div.fut{opacity:.5;filter:grayscale(.45)}.ladder div.cur svg{filter:drop-shadow(0 0 5px rgba(237,28,36,.55))}
.medals{display:grid;grid-template-columns:repeat(auto-fill,minmax(92px,1fr));gap:10px}
.medal{text-align:center;font-size:12px;line-height:1.3}
.medal svg{width:56px;height:56px;display:block;margin:0 auto 4px}
.medal.lock svg{opacity:.35;filter:grayscale(1)}
.medal.lock{color:var(--muted)}
.rank{list-style:none;margin:0;padding:0}
.rank li{display:grid;grid-template-columns:28px 1fr auto;gap:8px;padding:8px 0;border-top:1px solid var(--line);font-size:14px;align-items:center}
.rank li:first-child{border-top:0}
.rank li.me{font-weight:700;background:var(--accent-soft);margin-inline:-8px;padding-inline:8px;border-radius:8px}
.rank .p{font-family:var(--display);font-size:18px}
/* folha */
.fhead{margin-bottom:14px}
.fhead h1{font-size:32px;line-height:1.1;text-transform:uppercase}
.tabs{display:flex;gap:2px;border-bottom:1px solid var(--line);margin:14px 0 22px;overflow-x:auto;position:sticky;top:var(--hh,56px);background:var(--bg);z-index:20}
.tabs button{background:none;border:0;border-bottom:3px solid transparent;color:var(--muted);font-weight:700;font-size:15px;padding:12px 14px;cursor:pointer;white-space:nowrap;min-height:46px}
.tabs button[aria-selected="true"]{color:var(--fg);border-color:var(--accent)}
.tabs button:hover{color:var(--fg)}
.tabs button.lk{opacity:.55;cursor:not-allowed}
.lockbar{font-size:13.5px;color:var(--muted);margin:-8px 0 16px}
.lockbar.flash{color:var(--accent-text);font-weight:700}
/* protecao */
.protected{position:relative;-webkit-user-select:none;user-select:none;-webkit-touch-callout:none}
.protected::after{content:"";position:absolute;inset:0;pointer-events:none;background-image:var(--wm);background-repeat:repeat;z-index:12}
.protected img,.protected svg{-webkit-user-drag:none}
.lgpd{margin-top:28px;text-align:center;color:var(--muted);font-size:12px;letter-spacing:.04em}
.printblock{display:none}
@media print{.protected,#view>*{display:none!important}.printblock{display:block!important;padding:40px}}
/* resumo */
.res{max-width:760px}
.res h2.sec{font-size:26px;margin:0 0 12px}
.res h3{font-size:21px;margin:30px 0 10px;padding-left:12px;border-left:4px solid var(--accent)}
.res p{font-size:16.5px}
.res strong{font-weight:700}
.formula{background:var(--panel);border:1px solid var(--line);border-left:5px solid var(--accent);border-radius:var(--r);padding:16px 18px;margin:16px 0}
.formula .ex{font-family:var(--display);font-size:clamp(22px,6vw,30px);letter-spacing:.03em;line-height:1.25;overflow-wrap:anywhere}
.formula dl{margin:12px 0 0;display:grid;gap:4px 14px;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));font-size:13.5px}
.formula dl div{display:flex;gap:8px}
.formula dt{font-weight:700;min-width:24px;color:var(--accent-text)}
.formula dd{margin:0;color:var(--muted)}
.call{border-radius:var(--r);padding:14px 16px 4px;margin:16px 0;border:1px solid var(--line);background:var(--panel2)}
.call .lb{font-family:var(--display);font-size:12px;letter-spacing:.16em;text-transform:uppercase;margin-bottom:4px;display:block;font-weight:500}
.call.atencao{background:var(--accent-soft);border-color:transparent;border-left:5px solid var(--accent)}
.call.atencao .lb{color:var(--accent-text)}
.call.dica{background:var(--ok-soft);border-color:transparent;border-left:5px solid var(--ok)}
.call.dica .lb{color:var(--ok)}
.call.uerj{background:var(--panel);border-left:5px solid var(--fg)}
.fig{background:var(--paper);color:var(--paper-ink);border:1px solid var(--line);border-radius:var(--r);padding:14px 10px 10px;margin:16px 0;text-align:center}
.fig svg{max-width:100%;height:auto;display:block;margin:0 auto}
.fig figcaption{font-size:13px;color:#555;text-align:left;padding:10px 6px 0;line-height:1.45}
.res ul{padding-left:0;list-style:none;margin:10px 0 16px}
.res ul li{position:relative;padding:6px 0 6px 22px;border-bottom:1px solid var(--line);font-size:16px}
.res ul li:before{content:"";position:absolute;left:4px;top:15px;width:8px;height:8px;background:var(--accent);transform:rotate(45deg)}
.tblw{overflow-x:auto;margin:16px 0;border:1px solid var(--line);border-radius:var(--r);background:var(--panel)}
.tbl{width:100%;border-collapse:collapse;font-size:14.5px;min-width:440px}
.tbl th{font-family:var(--display);font-weight:500;letter-spacing:.06em;text-transform:uppercase;font-size:12px;text-align:left;background:var(--panel2);padding:10px 12px;border-bottom:1px solid var(--line)}
.tbl td{padding:10px 12px;border-bottom:1px solid var(--line);vertical-align:top}
.tbl tr:last-child td{border-bottom:0}
.tbl td:nth-child(2){font-family:var(--display);letter-spacing:.03em;font-size:16px;white-space:nowrap}
.inter{background:var(--panel);border:1px solid var(--line);border-radius:var(--r);padding:14px;margin:18px 0}
.inter .ft{font-family:var(--display);font-size:16px;letter-spacing:.04em;margin-bottom:8px}
.inter .ft:before{content:"▶ ";color:var(--accent-text);font-size:12px}
.inter canvas{display:block;width:100%;height:250px;touch-action:pan-y;cursor:crosshair}
.inter .eq{font-family:var(--display);font-size:20px;letter-spacing:.03em;margin:8px 0 2px}
.inter .ro{font-size:13px;color:var(--muted);min-height:20px}
.sliders{display:grid;gap:12px;margin:10px 0;grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}
.sliders label{display:block;font-size:14px;font-weight:700}
.sliders output{color:var(--accent-text);font-variant-numeric:tabular-nums}
.sliders input[type=range]{width:100%;accent-color:var(--accent);height:34px;margin:2px 0 0}
.inter .ex2{font-size:14.5px;color:var(--muted);margin:6px 0 0}
.exemplo{background:var(--panel);border:1px solid var(--line);border-radius:var(--r);padding:16px;margin:18px 0}
.exemplo .enun{font-weight:600;margin-bottom:12px}
/* resolucao */
.sol .ideia{background:var(--panel2);border-radius:10px;padding:10px 14px;margin:0 0 14px;font-size:15px}
.sol .ideia b{font-family:var(--display);letter-spacing:.1em;text-transform:uppercase;font-size:12px;color:var(--accent-text);display:block;font-weight:500}
.passos{list-style:none;counter-reset:p;margin:0 0 12px;padding:0}
.passos>li{counter-increment:p;position:relative;padding:0 0 14px 40px}
.passos>li:before{content:counter(p);position:absolute;left:0;top:0;width:28px;height:28px;border-radius:50%;background:var(--fg);color:var(--bg);display:grid;place-items:center;font-family:var(--display);font-size:14px}
.passos>li:after{content:"";position:absolute;left:13px;top:32px;bottom:2px;width:2px;background:var(--line)}
.passos>li:last-child:after{display:none}
.passos .pt{font-weight:700;line-height:1.3;padding-top:3px}
.passos .tx{font-size:15px;margin-top:2px}
.contas{margin-top:6px;border-left:3px solid var(--accent);background:var(--panel2);border-radius:0 8px 8px 0;padding:6px 12px}
.contas div{font-size:15.5px;padding:2px 0;overflow-wrap:anywhere}
.resp{background:var(--fg);color:var(--bg);border-radius:10px;padding:10px 14px;font-weight:700;margin:4px 0 10px}
.dica{font-size:14px;color:var(--muted);border-top:1px dashed var(--line);padding-top:8px}
.dica b{color:var(--fg)}
/* mapa */
.mapnote{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin-bottom:12px}
.mapview{position:relative;overflow:hidden;border:1px solid var(--line);border-radius:var(--r);background:#fff;cursor:zoom-in;touch-action:pan-y}
.mapview.z{cursor:grab;touch-action:none}
.mapview img{display:block;width:100%;height:auto;transform-origin:0 0;will-change:transform;pointer-events:none;-webkit-user-drag:none}
.mapctl{display:flex;gap:8px;margin:10px 0 22px;align-items:center}
.mapctl button{min-width:44px}
.branches{display:grid;gap:12px;margin-top:14px}
@media(min-width:760px){.branches{grid-template-columns:1fr 1fr}}
.br{--c:var(--c-cinza);border:1px solid var(--line);border-top:5px solid var(--c);border-radius:var(--r);background:var(--panel);padding:14px 16px}
.br.azul{--c:var(--c-azul)}.br.verde{--c:var(--c-verde)}.br.laranja{--c:var(--c-laranja)}.br.roxo{--c:var(--c-roxo)}.br.vermelho{--c:var(--c-vermelho)}.br.cinza{--c:var(--c-cinza)}
.br h4{display:flex;align-items:center;gap:10px;font-size:18px;margin-bottom:8px}
.br h4 .ic{width:34px;height:34px;border-radius:50%;background:var(--c);display:grid;place-items:center;flex:none}
.br h4 .ic svg{width:20px;height:20px;stroke:#fff;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.br ul{list-style:none;margin:0;padding:0 0 0 12px;border-left:2px solid var(--c)}
.br ul ul{margin:2px 0 4px 6px;border-left-style:dotted}
.br li{padding:3px 0 3px 12px;position:relative;font-size:15px}
.br li:before{content:"";position:absolute;left:0;top:15px;width:8px;border-top:2px solid var(--c)}
/* formulario */
.ftab{width:100%;border-collapse:collapse;background:var(--panel)}
.ftab th{font-family:var(--display);font-weight:500;letter-spacing:.06em;text-transform:uppercase;font-size:12px;text-align:left;background:var(--panel2);padding:10px 12px}
.ftab td{padding:12px;border-top:1px solid var(--line);vertical-align:top;font-size:14.5px}
.ftab .nm{font-weight:700}
.ftab .xp{font-family:var(--display);font-size:19px;letter-spacing:.03em;white-space:nowrap}
.ftab dl{margin:0;display:grid;gap:2px}
.ftab dl div{display:flex;gap:6px}
.ftab dt{font-weight:700;color:var(--accent-text);min-width:28px}
.ftab dd{margin:0;color:var(--muted)}
.fwrap{border:1px solid var(--line);border-radius:var(--r);overflow:hidden;background:var(--panel)}
@media(max-width:719px){
  .ftab thead{display:none}
  .ftab,.ftab tbody,.ftab tr,.ftab td{display:block}
  .ftab td{border-top:0;padding:4px 14px}
  .ftab tr{padding:10px 0;border-top:1px solid var(--line)}
  .ftab tr:first-child{border-top:0}
  .ftab td::before{content:attr(data-l);display:block;font-size:10px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);font-weight:700}
  .ftab .xp{white-space:normal}
}
.growth{display:grid;gap:8px;margin-bottom:16px}
.growth .seg{display:flex;align-items:center;gap:10px;font-size:14px}
.growth .seg b{font-family:var(--display);font-size:20px;min-width:30px}
.lit{border-left:5px solid var(--accent)}
.dim{opacity:.5;filter:grayscale(1)}
.dimbox{border:1px dashed var(--line);border-radius:var(--r);padding:12px 16px;margin-top:16px}
.dimbox .li{display:flex;justify-content:space-between;gap:12px;padding:6px 0;border-top:1px solid var(--line);font-size:14px;flex-wrap:wrap}
.dimbox .li:first-of-type{border-top:0}
.dimbox .li span:last-child{font-family:var(--display);font-size:16px}
/* treinar */
.ladd{display:grid;gap:10px;margin:14px 0}
@media(min-width:640px){.ladd{grid-template-columns:repeat(3,1fr)}}
.lvl{background:var(--panel);border:1.5px solid var(--line);border-radius:var(--r);padding:14px;text-align:left;cursor:pointer;display:block;width:100%}
.lvl:hover{border-color:var(--accent)}
.lvl .n{font-family:var(--display);font-size:30px;line-height:1}
.lvl .d{font-size:13.5px;color:var(--muted);margin:6px 0 10px;display:block}
.lvl .go{font-weight:700;font-size:14px;color:var(--accent-text)}
.timers{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-bottom:12px;position:sticky;top:calc(var(--hh,56px) + 47px);z-index:15;background:var(--bg);padding:6px 0}
.tm{background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:8px 12px}
.tm small{display:block;font-size:10px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);font-weight:700}
.tm b{font-family:var(--display);font-size:24px;font-weight:500;line-height:1.1}
.tm .tg{font-size:12px;color:var(--muted);font-weight:400}
.tm.over b,.tm b.over{color:var(--accent-text)}
.warnbar{background:var(--warn-soft);color:var(--warn);border-radius:10px;padding:8px 12px;font-size:14px;font-weight:700;margin-bottom:12px}
.dots{display:flex;gap:6px;margin-bottom:12px}
.dots i{flex:1;height:6px;border-radius:99px;background:var(--panel2)}
.dots i.cur{background:var(--fg)}
.dots i.ok{background:var(--ok)}
.dots i.no{background:var(--accent)}
.qcard{background:var(--panel);border:1px solid var(--line);border-radius:var(--r);padding:16px}
.qbase{font-size:15px;border-left:3px solid var(--line);padding-left:12px;margin-bottom:12px;color:var(--muted);white-space:pre-line}
.qen{font-size:17px;margin-bottom:12px;white-space:pre-line}
.qcard .fig{margin:12px 0}
.alts{display:grid;gap:8px;margin-top:14px}
.alt{display:grid;grid-template-columns:34px 1fr;gap:10px;align-items:start;width:100%;text-align:left;background:var(--panel);border:1.5px solid var(--line);border-radius:10px;padding:10px 12px;cursor:pointer;min-height:48px;font-size:16px}
.alt:hover:not([disabled]){border-color:var(--fg)}
.alt .l{width:30px;height:30px;border-radius:50%;border:1.5px solid var(--line);display:grid;place-items:center;font-family:var(--display);font-size:15px}
.alt[aria-pressed="true"]{border-color:var(--fg);background:var(--panel2)}
.alt[aria-pressed="true"] .l{background:var(--fg);color:var(--bg);border-color:var(--fg)}
.alt.right{border-color:var(--ok);background:var(--ok-soft)}
.alt.right .l{background:var(--ok);color:#fff;border-color:var(--ok)}
.alt.wrong{border-color:var(--accent);background:var(--accent-soft)}
.alt.wrong .l{background:var(--accent);color:#fff;border-color:var(--accent)}
.alt[disabled]{cursor:default;color:inherit}
.verdict{font-family:var(--display);font-size:24px;letter-spacing:.04em;text-transform:uppercase;margin:18px 0 6px}
.verdict.ok{color:var(--ok)}
.verdict.no{color:var(--accent-text)}
.why{background:var(--accent-soft);border-radius:10px;padding:10px 14px;margin:10px 0;font-size:15px}
.why b{color:var(--accent-text)}
.after{margin-top:14px;border-top:1px solid var(--line);padding-top:12px;font-size:14.5px}
.after dt{font-size:10px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);font-weight:700;margin-top:8px}
.after dd{margin:2px 0 0}
.sum{width:100%;border-collapse:collapse;font-size:14.5px;margin:10px 0}
.sum th{text-align:left;font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);padding:6px 4px;border-bottom:1px solid var(--line)}
.sum td{padding:8px 4px;border-bottom:1px solid var(--line)}
.sum .good{color:var(--ok);font-weight:700}.sum .bad{color:var(--accent-text);font-weight:700}
.score{font-family:var(--display);font-size:56px;line-height:1}
.notice{background:var(--panel2);border-radius:10px;padding:10px 14px;font-size:14px;margin:10px 0}
.linkbtn{background:none;border:0;padding:6px 0;color:var(--muted);text-decoration:underline;cursor:pointer;font-size:13px}
.qnav{display:flex;gap:8px;margin-bottom:10px;flex-wrap:wrap}
.qn{width:44px;height:44px;border-radius:10px;border:1.5px solid var(--line);background:var(--panel);font-family:var(--display);font-size:18px;cursor:pointer}
.qn.done{border-color:var(--ok);background:var(--ok-soft)}
.qn.cur{background:var(--fg);color:var(--bg);border-color:var(--fg)}
.fin{margin-top:18px}
.rq{border:1px solid var(--line);border-radius:var(--r);background:var(--panel);margin-bottom:12px;padding:0 14px}
.rq>summary{padding:12px 0;font-family:var(--display);font-size:18px;letter-spacing:.03em}
.rq .good{color:var(--ok)}.rq .bad{color:var(--accent-text)}
.rqb{padding-bottom:14px}
.rqe{font-size:14.5px;color:var(--muted)}
.rqm{font-size:14.5px}
/* conquista */
.conq{text-align:center;padding:26px 16px 30px;max-width:560px;margin:0 auto}
.conq .big{width:150px;height:150px;margin:0 auto 6px;display:block}
.conq h1{font-size:34px;text-transform:uppercase;line-height:1.1;margin:6px 0}
.promo{display:flex;align-items:center;justify-content:center;gap:14px;margin:18px 0;flex-wrap:wrap}
.promo>div{display:flex;flex-direction:column;align-items:center;gap:4px}.promo .em{width:64px;height:64px}
.promo .ar{font-size:26px;color:var(--accent-text)}
.promo small{display:block;font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);font-weight:700}
.promo b{font-family:var(--display);font-size:20px;text-transform:uppercase;font-weight:500}
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin:14px 0 22px}
.stats div{background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:10px 4px}
.stats b{display:block;font-family:var(--display);font-size:24px;font-weight:500}
.stats small{font-size:11px;color:var(--muted)}
.swap{position:relative;width:min(250px,72%);aspect-ratio:120/64;margin:20px auto 10px}
.swap span{position:absolute;inset:0}
.swap svg{display:block;width:100%;height:auto;filter:drop-shadow(0 4px 10px rgba(0,0,0,.3))}
.swap .o{opacity:0}
.promo-t{margin:0 0 6px}.promo-t small{display:block;font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);font-weight:700}.promo-t b{font-family:var(--display);font-size:22px;text-transform:uppercase;font-weight:500}
@media(prefers-reduced-motion:no-preference){
 .swap .o{animation:insOut 1s .5s ease-in both}
 .swap .n{animation:insIn 1s 1.3s cubic-bezier(.2,.9,.3,1.2) both}
 @keyframes insOut{from{opacity:1;transform:none}to{opacity:0;transform:translateY(-10px) scale(.92)}}
 @keyframes insIn{from{opacity:0;transform:scale(.7)}to{opacity:1;transform:none}}
}
/* FAB + gaveta */
#fab{position:fixed;right:16px;bottom:16px;z-index:40;display:inline-flex;align-items:center;gap:8px;min-height:50px;padding:0 18px;border-radius:99px;border:0;background:var(--fg);color:var(--bg);font-weight:700;font-size:15px;cursor:pointer;box-shadow:0 6px 20px rgba(0,0,0,.28)}
#fab span.fx{font-family:var(--display);font-size:20px;color:var(--accent);line-height:1}
#drawer{position:fixed;inset:0;z-index:60;display:none}
#drawer.on{display:block}
#drawer .sc{position:absolute;inset:0;background:rgba(0,0,0,.5)}
#drawer .sh{position:absolute;left:0;right:0;bottom:0;max-height:86vh;background:var(--bg);border-radius:18px 18px 0 0;display:flex;flex-direction:column;max-width:720px;margin:0 auto}
#drawer .hd{display:flex;justify-content:space-between;align-items:center;padding:14px 16px;border-bottom:1px solid var(--line)}
#drawer .hd h2{font-size:20px;text-transform:uppercase}
#drawer .bd{overflow-y:auto;padding:12px 16px 24px}
.fc{border:1px solid var(--line);background:var(--panel);border-radius:10px;padding:10px 14px;margin-bottom:10px}
.fc .nm{font-size:13px;color:var(--muted);font-weight:700}
.fc .xp{font-family:var(--display);font-size:20px;letter-spacing:.03em;margin:2px 0}
.fc .qu{font-size:13.5px;color:var(--muted)}
.errbox{padding:20px;border:1px solid var(--accent);border-radius:var(--r);background:var(--accent-soft)}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}

/* ===== Revisionário · camada do app (identidade: vermelho #ED1C24, carvão #202020, névoa #F3F3F1; Oswald + Nunito Sans) ===== */
[hidden]{display:none!important}
.hide-s{display:inline}.show-s{display:none}
@media(max-width:560px){.hide-s{display:none}.show-s{display:inline}}
a{color:var(--accent-text)}
/* cabeçalho com wordmark */
.brand{display:flex;align-items:center;gap:10px}
.brand img{height:22px;width:auto;display:block}
:root[data-theme="dark"] .brand img,:root[data-theme="dark"] img.wm{filter:invert(1) hue-rotate(180deg)}
.brand small{color:var(--muted);font-size:10px;letter-spacing:.18em;text-transform:uppercase;font-weight:700;white-space:nowrap}
.brand.static{cursor:default}
#top .in{flex-wrap:wrap;padding-block:6px}
.nav{display:flex;gap:2px;flex:1 1 auto;justify-content:center;order:0}
.nav .nv{background:none;border:0;border-bottom:3px solid transparent;color:var(--muted);font-weight:700;font-size:14px;padding:10px 12px;cursor:pointer;text-decoration:none;min-height:44px;display:inline-flex;align-items:center}
.nav .nv:hover{color:var(--fg)}.nav .nv.on{color:var(--fg);border-color:var(--accent)}
@media(max-width:700px){.nav{order:3;flex-basis:100%;justify-content:flex-start;margin-top:-4px}#top .in{gap:6px 10px}}
.iconbtn{background:var(--panel);border:1px solid var(--line);color:var(--fg);border-radius:10px;min-width:38px;min-height:38px;cursor:pointer;font-size:16px;font-weight:700}
.iconbtn.txt{font-size:13px;padding:0 12px}
.iconbtn:hover{border-color:var(--fg)}
/* barra de progresso: traço fino com ponto (grafismo do símbolo) */
.bar{position:relative;overflow:visible;height:6px;background:var(--panel2)}
.bar i{position:relative;min-width:0}
.bar i::after{content:"";position:absolute;right:-6px;top:50%;width:14px;height:14px;border-radius:50%;background:var(--accent);transform:translateY(-50%);box-shadow:0 0 0 3px var(--panel)}
.bar i.done::after{background:var(--ok)}
.bar i[style*="width:0%"]::after{display:none}
/* selos */
.selo{display:inline-flex;align-items:center;font-family:var(--display);font-weight:500;font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--accent-text);border:1.5px solid var(--accent);border-radius:4px;padding:1px 7px;margin-left:6px;vertical-align:middle;white-space:nowrap;line-height:1.5}
.qtop{margin:-4px 0 10px}.qtop .selo{margin-left:0}
/* autenticação e formulários */
.auth{max-width:440px;margin:6vh auto 0}
.authcard{padding:26px 22px}
.authcard h1{font-size:30px;text-transform:uppercase;margin:8px 0 14px}
img.wm{height:30px;width:auto;display:block}
form label{display:block;font-weight:700;font-size:14px;margin-bottom:12px}
form input,form textarea,.admin select,.admin input{display:block;width:100%;margin-top:4px;font:inherit;font-weight:400;font-size:16px;color:var(--fg);background:var(--panel);border:1.5px solid var(--line);border-radius:10px;padding:10px 12px;min-height:46px}
form textarea{min-height:92px;resize:vertical}
form input:focus,form textarea:focus{border-color:var(--fg)}
.errline{background:var(--accent-soft);color:var(--accent-text);border-radius:8px;padding:8px 12px;font-size:14px;font-weight:700;margin-bottom:12px}
.grid2{display:grid;gap:14px}@media(min-width:760px){.grid2{grid-template-columns:1fr 1fr;align-items:start}}
.dl{margin:0;display:grid;gap:8px}.dl div{display:flex;justify-content:space-between;gap:12px;border-top:1px solid var(--line);padding-top:8px;font-size:14.5px}.dl div:first-child{border-top:0;padding-top:0}.dl dt{color:var(--muted)}.dl dd{margin:0;font-weight:700;text-align:right;overflow-wrap:anywhere}
/* trilha de folhas */
.trail li{display:block;padding:0}
.trail li>.rowbtn{border-top:0;padding:10px 0}
.trail li+li{border-top:1px solid var(--line)}
.trail li.lock .rowbtn{opacity:.6}
.rowbtn:hover b{text-decoration:underline}
.rowbtn .st{width:28px;height:28px;border-radius:50%;display:grid;place-items:center;font-size:12px;font-weight:700;border:2px solid var(--line);color:var(--muted)}
.trail .done .rowbtn .st{background:var(--ok);border-color:var(--ok);color:#fff}
.trail .now .rowbtn .st{background:var(--accent);border-color:var(--accent);color:#fff;box-shadow:0 0 0 4px var(--accent-soft)}
.trail .cd{display:block;font-size:11px;letter-spacing:.12em;color:var(--muted);font-weight:700}
/* ranking e histórico */
.rk td.p{font-family:var(--display);font-size:18px;width:44px}
.rk tr.me td,.rk tr.me{background:var(--accent-soft);font-weight:700}
.rk td:nth-child(2){font-family:var(--body);font-size:15px;white-space:normal}
.rk td .em{width:44px;height:24px;display:block}
.tbl.hist td:nth-child(2),.tbl.rk td:nth-child(3){font-family:var(--body);font-size:14.5px;white-space:normal}
.tbl .good,.hist .good{color:var(--ok);font-weight:700}.tbl .bad,.hist .bad{color:var(--accent-text);font-weight:700}
.tbl.rk td.num,.tbl.hist td.num{font-family:var(--body);font-size:14.5px}
/* resultado, feedback */
.fbbox{margin-top:18px}
.stars{display:flex;gap:6px;margin-bottom:10px}
.star{width:44px;height:44px;border-radius:10px;border:1.5px solid var(--line);background:var(--panel);font-family:var(--display);font-size:18px;cursor:pointer}
.star.on{background:var(--accent);border-color:var(--accent);color:#fff}
.fig.recorte{background:#fff;padding:6px}.fig.recorte img{display:block;max-width:100%;height:auto;margin:0 auto;-webkit-user-drag:none;user-select:none}
.lvl.off{opacity:.55;cursor:not-allowed}
.back{display:block}
/* botões flutuantes, modal, aviso */
#fab{display:inline-flex}
#modal{position:fixed;inset:0;z-index:70;display:grid;place-items:center;padding:16px}
#modal .sc{position:absolute;inset:0;background:rgba(0,0,0,.5)}
#modal .box{position:relative;background:var(--bg);border-radius:var(--r);padding:20px;width:min(520px,100%);max-height:90vh;overflow:auto;border:1px solid var(--line)}
#toast{position:fixed;left:50%;bottom:84px;transform:translateX(-50%);z-index:80;background:var(--fg);color:var(--bg);border-radius:10px;padding:10px 16px;font-size:14px;font-weight:700;max-width:min(92vw,520px);box-shadow:0 6px 20px rgba(0,0,0,.3)}
.conq .big{display:block}
.swap{display:block}
details.rq{margin-bottom:12px}
@media print{#top,#fab,#modal,#drawer{display:none!important}}

/* ===== painel do professor ===== */
.admin main{padding-block:18px 60px}
.tbl.adm{min-width:640px}
.tbl.adm td,.tbl.adm th{font-family:var(--body);font-size:14px;text-transform:none;letter-spacing:0}
.tbl.adm th{font-family:var(--display);text-transform:uppercase;letter-spacing:.06em;font-size:12px}
.tbl.adm td:nth-child(2){font-family:var(--body);font-size:14px;white-space:normal}
.tbl.adm td.num{font-variant-numeric:tabular-nums}
.tbl.adm td.good{color:var(--ok);font-weight:700}.tbl.adm td.bad{color:var(--accent-text);font-weight:700}
.tbl.adm td.nw{white-space:nowrap}
.warnrow td{background:var(--accent-soft)}
.small{font-size:12.5px}
.stats4{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:10px;margin:10px 0}
.stats4 div{background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:12px}
.stats4 b{display:block;font-family:var(--display);font-size:30px;font-weight:500}
.stats4 small{color:var(--muted);font-size:12px}
.chipq{display:inline-block;border-radius:6px;padding:1px 7px;font-size:12px;font-weight:700;font-variant-numeric:tabular-nums;margin:1px 0}
.chipq.ok{background:var(--ok-soft);color:var(--ok)}.chipq.no{background:var(--accent-soft);color:var(--accent-text)}
label.inl{display:inline-flex;align-items:center;gap:8px;font-weight:700;margin:6px 0 12px}
label.inl select{width:auto;min-width:260px;margin:0}
.admin .nav .nv{text-decoration:none}

@media(max-width:700px){#top{position:relative}:root{--hh:0px!important}.tabs{top:0}.timers{top:47px}}

@media(max-width:560px){#fab{min-width:50px;padding:0 15px;opacity:.94}#fab .fl{display:none}#fab span.fx{font-size:24px}}

/* ===== Alinhamento ao brandbook v1.0 (Revisionário) ===== */
body{font-weight:400;line-height:1.62}
h1,h2,h3,h4{font-weight:600;letter-spacing:.01em}
h1{text-transform:uppercase;line-height:1}
.fhead h1,.hero h1,.auth h1,.mission h2{text-transform:uppercase}
.icon{width:20px;height:20px;flex:none;stroke:var(--fg);stroke-width:1.6;fill:none;stroke-linecap:round;stroke-linejoin:round;vertical-align:-4px}
.icon.mono{stroke:currentColor}
.btn{background:var(--btn);border-color:var(--btn);border-radius:3px;text-transform:uppercase;letter-spacing:.06em;font-weight:800;font-size:13px;gap:10px}
.btn.ghost{background:transparent;color:var(--fg);border-color:var(--line)}
.btn.ghost .icon{stroke:var(--fg)}
.btn .icon.mono{stroke:#fff}
.btn.ghost .icon.mono{stroke:var(--fg)}
.btn.sm{font-size:12px}
.card,.formula,.fig,.tblw,.exemplo,.qcard,.rq,.inter,.errbox,.notice,.mapview,.fwrap,.br,.call{border-radius:var(--r)}
.nav .nv,.tabs button{display:inline-flex;align-items:center;gap:8px}
.nav .nv .icon{width:18px;height:18px}
@media(max-width:480px){.nav .nv{padding:10px 9px;font-size:13px;gap:5px}}
.tabs button.lk{color:var(--blocked)}
.tabs button.lk .icon{opacity:.7}
.lockbar{display:flex;gap:8px;align-items:center}
/* selos */
.selo{border:1px solid var(--accent);color:var(--accent-text);font:500 12px var(--display);border-radius:0;padding:3px 9px;letter-spacing:.06em;margin-left:8px;line-height:1.4}
.selo.neutro{border-color:var(--blocked);color:var(--blocked)}
.qselos{display:flex;flex-wrap:wrap;gap:8px;margin:10px 0 6px}.qselos .selo{margin-left:0}
/* disciplina: barra fina à esquerda do rótulo */
.disc{display:inline-flex;align-items:center;border:1px solid var(--line);border-left:4px solid var(--d,#68737F);padding:3px 11px;font:600 12px var(--display);letter-spacing:.1em;text-transform:uppercase;color:var(--fg);background:var(--panel);line-height:1.5}
.fmeta{display:flex;flex-wrap:wrap;align-items:center;gap:8px 0;margin-bottom:10px}
.fhead h1{margin-top:2px}
/* grafismo: traço fino + ponto + arco aberto */
.bar{position:relative;height:4px;background:var(--line);border-radius:0;overflow:visible;margin:12px 8px 12px 8px}
.bar i{display:block;height:100%;background:var(--accent);border-radius:0;min-width:0}
.bar i::after{display:none!important}
.bar .dot{position:absolute;top:50%;width:12px;height:12px;border-radius:50%;background:var(--accent);transform:translate(-50%,-50%);box-shadow:0 0 0 3px var(--panel)}
.bar .dot::before{content:"";position:absolute;left:50%;top:50%;width:28px;height:28px;margin:-14px 0 0 -14px;border-radius:50%;border:1.5px solid var(--fg);border-color:var(--fg) transparent transparent var(--fg);transform:rotate(-24deg)}
.bar .dot.done{background:var(--ok)}
/* linha do tempo das folhas */
.trail li{position:relative}
.trail li::before{content:"";position:absolute;left:13px;top:0;bottom:0;width:2px;background:var(--line);z-index:0}
.trail li:first-child::before{top:50%}.trail li:last-child::before{bottom:50%}.trail li:only-child::before{display:none}
.trail li.done::before{background:var(--accent)}
.rowbtn .st{position:relative;z-index:1;background:var(--panel);width:28px;height:28px}
.rowbtn .st .icon{width:16px;height:16px;vertical-align:0}
.trail .done .rowbtn .st{background:var(--panel);border-color:var(--accent);color:var(--fg)}
.trail .now .rowbtn .st{background:var(--panel);border-color:var(--accent);box-shadow:none}
.trail .now .rowbtn .st::after{content:"";position:absolute;left:50%;top:50%;width:40px;height:40px;margin:-20px 0 0 -20px;border-radius:50%;border:1.5px solid var(--accent);border-color:var(--accent) transparent transparent var(--accent);transform:rotate(-24deg)}
.trail .lock .rowbtn .st{border-color:var(--line)}
.rowbtn{grid-template-columns:34px 1fr auto}
/* Home: entrada e progresso */
.brandmini{font:600 16px var(--display);letter-spacing:.04em;text-transform:uppercase}.brandmini span{color:var(--accent)}
.rtop{display:flex;justify-content:space-between;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:16px}
.ritmo h1{font-size:clamp(36px,9vw,52px);line-height:.98;margin:8px 0 6px}
.rsub{font-size:18px;margin-bottom:6px}
.rcap{display:flex;justify-content:space-between;gap:6px 14px;flex-wrap:wrap;font-size:13px}
.hero .hname{font-size:30px;text-transform:uppercase;line-height:1.1}
.steps li .ck{border-radius:50%}
/* cartão carvão: conclusão */
.card.dark{background:#202020;color:#fff;border-color:#202020}
:root[data-theme="dark"] .card.dark{background:#0f0f0f;border-color:var(--line)}
.card.dark .brandmini{color:#fff}
.plano{padding:22px}
.plano .pbody{display:flex;justify-content:space-between;align-items:center;gap:18px;margin:6px 0 18px}
.plano h1{color:#fff;font-size:clamp(34px,8vw,48px);line-height:1;margin:0 0 8px;text-transform:uppercase}
.plano p{color:#e2e2e0}
.bigcheck{width:84px;height:84px;flex:none}
.plano .stats div{background:#2d2d2d;border-color:#444;border-radius:3px}.plano .stats b{color:#fff}.plano .stats small{color:#c4c4c0}
.plano .cnote{color:#e2e2e0;font-size:14px;margin:6px 0}
.plano .btn.ghost{color:#fff;border-color:#8a8a8a}.plano .btn.ghost .icon.mono{stroke:#fff}
.plano .promo-t small{color:#c4c4c0}.plano .promo-t b{color:#fff}
.conq:not(.card){max-width:720px;margin:0 auto;padding:0;text-align:left}
.conqpromo{text-align:center;margin:6px 0}
.plano .swap{margin:10px auto}
@media(max-width:480px){.plano .pbody{flex-direction:column-reverse;align-items:flex-start}.bigcheck{width:64px;height:64px}}
/* questão cronometrada */
.qhead{position:sticky;top:var(--hh,0px);z-index:15;background:var(--bg);display:flex;justify-content:space-between;align-items:center;gap:10px;padding:8px 0;border-bottom:1px solid var(--line);margin-bottom:12px}
.qtimer{display:flex;align-items:center;gap:8px}
.qtimer .icon{width:22px;height:22px}
.qtimer b{font:500 32px/1 var(--display);color:var(--accent-text);font-variant-numeric:tabular-nums;letter-spacing:.02em}
.qtitle{font-size:clamp(24px,6vw,32px);margin:4px 0 6px;text-transform:uppercase}
.qsub{color:var(--muted);font-size:14.5px}
.qsub b{color:var(--fg);font-family:var(--display);font-weight:500;font-size:16px}
.qsub b.over{color:var(--accent-text)}
.nw{white-space:nowrap}
.alt{background:var(--panel2);border:1px solid var(--line);border-radius:3px}
.alt .l{border-radius:3px;border:1px solid var(--line);background:var(--panel)}
.alt[aria-pressed="true"]{background:var(--panel);border-color:var(--fg);box-shadow:inset 3px 0 0 var(--accent)}
.alt[aria-pressed="true"] .l{background:var(--fg);color:var(--bg);border-color:var(--fg)}
.qn{border-radius:3px}.qn.cur{background:var(--fg);color:var(--bg)}
.qcard{background:var(--panel)}
/* fórmulas em STIX Two Math */
.formula .ex,.inter .eq,.ftab .xp,.fc .xp,.contas div,.tbl td:nth-child(2),.resp,.formula dt{font-family:var(--math)}
.formula .ex{letter-spacing:0;font-weight:400}
.contas div{letter-spacing:0}
/* botões flutuantes */
#fab{border-radius:3px;background:var(--fg);color:var(--bg);font-weight:800;text-transform:uppercase;letter-spacing:.05em;font-size:13px;gap:8px}
#fab .icon{stroke:var(--bg)}
#fab span.fx{display:none}
.chip{border-radius:3px}
.tag{border-radius:0}
@media(max-width:700px){.qhead{top:0}}
.card.dark .selo{color:#FF6A70;border-color:#FF6A70}

/* primeiro acesso: o card .conq não perde o padding; insígnia grande contida no card */
.card.conq{padding:26px 22px;text-align:center;max-width:520px}
.card.conq p,.card.conq ul{text-align:left}
.card.conq .swap{position:relative;width:min(220px,70%);aspect-ratio:120/64;margin:4px auto 16px;overflow:hidden}
.card.conq .swap span{position:absolute;inset:0}
.card.conq .swap svg{display:block;width:100%;height:100%;filter:none}