/* Layout: coluna única centrada (820px), cabeçalho fixo com abas, cartões claros sobre fundo azulado; o azul da UCP aparece só no botão principal e no cartão de revisão do dia */
:root{
  --bg:#f2f5fb; --surface:#ffffff; --surface-2:#f6f8fd; --fg:#12203d; --muted:#586583; --line:#dce4f3;
  --brand:#385bac; --brand-ink:#ffffff; --brand-strong:#2b4a90; --brand-soft:#e7edfa; --brand-line:#b9c8ea;
  --hero-bg:#385bac; --hero-ink:#ffffff; --hero-sub:rgba(255,255,255,.8); --hero-btn-bg:#ffffff; --hero-btn-ink:#2b4a90; --hero-pat:rgba(255,255,255,.07);
  --ok:#157a50; --ok-soft:#dff3e8; --bad:#c2332b; --bad-soft:#fde9e7; --warn:#8a5a00; --warn-soft:#fff1cf; --mid:#e0a100;
  --shadow:0 1px 2px rgba(18,32,61,.06),0 10px 28px rgba(18,32,61,.07);
  --font-ui:'Plus Jakarta Sans',system-ui,-apple-system,'Segoe UI',sans-serif;
  --font-display:'Bricolage Grotesque','Plus Jakarta Sans',system-ui,-apple-system,'Segoe UI',sans-serif;
}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]){
  --bg:#0d1424; --surface:#141d33; --surface-2:#111a2e; --fg:#e8edf9; --muted:#94a1c0; --line:#25304c;
  --brand:#8aa4e6; --brand-ink:#0b1328; --brand-strong:#a9bdf0; --brand-soft:#1b284a; --brand-line:#34457a;
  --hero-bg:#2b468a; --hero-pat:rgba(255,255,255,.06);
  --ok:#5fd29a; --ok-soft:#12372a; --bad:#ff8a80; --bad-soft:#3d1f1f; --warn:#f2c35b; --warn-soft:#3a2e10; --mid:#f2c35b;
  --shadow:0 1px 2px rgba(0,0,0,.3),0 10px 28px rgba(0,0,0,.25); color-scheme:dark}}
:root[data-theme="dark"]{
  --bg:#0d1424; --surface:#141d33; --surface-2:#111a2e; --fg:#e8edf9; --muted:#94a1c0; --line:#25304c;
  --brand:#8aa4e6; --brand-ink:#0b1328; --brand-strong:#a9bdf0; --brand-soft:#1b284a; --brand-line:#34457a;
  --hero-bg:#2b468a; --hero-pat:rgba(255,255,255,.06);
  --ok:#5fd29a; --ok-soft:#12372a; --bad:#ff8a80; --bad-soft:#3d1f1f; --warn:#f2c35b; --warn-soft:#3a2e10; --mid:#f2c35b;
  --shadow:0 1px 2px rgba(0,0,0,.3),0 10px 28px rgba(0,0,0,.25); color-scheme:dark}

*{box-sizing:border-box}
[hidden]{display:none!important}
body{
  background:var(--bg); color:var(--fg); font-family:var(--font-ui); font-size:16px; line-height:1.5;
  padding-block:0 64px; min-height:100vh;
  padding-left:max(16px,env(safe-area-inset-left,0px)); padding-right:max(16px,env(safe-area-inset-right,0px));
}
body::before{content:"";position:fixed;inset:0 0 auto;height:env(safe-area-inset-top,0px);background:var(--bg);z-index:10}
h1,h2,h3,p{margin:0}
h1,h2,h3{font-family:var(--font-display);text-wrap:balance;letter-spacing:-.01em}
h1{font-size:1.9rem;line-height:1.1;font-weight:800}
h2{font-size:1.25rem;line-height:1.2;font-weight:700}
h3{font-size:1.02rem;line-height:1.25;font-weight:700}
.muted{color:var(--muted)}
.small{font-size:.88rem}
button,input,select{font:inherit;color:inherit}
button{cursor:pointer}
:focus-visible{outline:3px solid var(--brand);outline-offset:2px}
.shell{max-width:820px;margin:0 auto;min-width:0}

/* cabeçalho */
.hd{position:sticky;top:env(safe-area-inset-top,0px);z-index:20;background:var(--bg);padding-block:14px 10px;display:flex;flex-direction:column;gap:10px}
.hd-row{display:flex;align-items:center;justify-content:space-between;gap:12px}
.brand{display:flex;align-items:center;gap:10px;font-family:var(--font-display);font-weight:800;font-size:1.1rem;letter-spacing:-.01em}
.mark{width:26px;height:26px;border-radius:8px;background:var(--brand);color:var(--brand-ink);display:grid;place-items:center;font-size:.95rem;line-height:1}
.pill{display:inline-flex;align-items:center;gap:6px;border:1px solid var(--line);background:var(--surface);border-radius:999px;padding:3px 10px;font-size:.78rem;color:var(--muted);white-space:nowrap}
.pill i{width:8px;height:8px;border-radius:50%;background:var(--muted);display:block}
.pill .ps{display:none}
.brand{white-space:nowrap}
.pill.cloud i{background:var(--ok)} .pill.sync i{background:var(--warn)} .pill.local i{background:var(--bad)}
.hd-r{display:flex;align-items:center;gap:8px}
.gear{width:40px;height:40px;border-radius:50%;border:1px solid var(--line);background:var(--surface);color:var(--muted);display:grid;place-items:center;padding:0}
.gear svg{width:20px;height:20px;display:block}
.gear:hover{background:var(--brand-soft);color:var(--brand-strong);border-color:var(--brand-line)}
.gear[aria-current="page"]{background:var(--brand-soft);color:var(--brand-strong);border-color:var(--brand-line)}
.calpop{position:absolute;right:0;top:100%;margin-top:2px;width:min(340px,100%);background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:14px;box-shadow:var(--shadow);z-index:30;display:flex;flex-direction:column;gap:12px}
.cal-h{display:flex;align-items:center;justify-content:space-between;gap:8px}
.cal-h b{font-family:var(--font-display);font-size:1.05rem}
.cal-nav{width:36px;height:36px;border-radius:10px;border:1px solid var(--line);background:var(--surface);display:grid;place-items:center;padding:0;font-size:1.1rem;line-height:1}
.cal-nav:hover{background:var(--brand-soft)}
.cal-grid{display:grid;grid-template-columns:repeat(7,1fr);gap:2px;text-align:center}
.cal-wd{font-size:.75rem;color:var(--muted);padding:2px 0}
.cal-d{height:38px;border:0;background:transparent;border-radius:10px;position:relative;font-variant-numeric:tabular-nums;padding:0}
.cal-d:hover{background:var(--brand-soft)}
.cal-d.today{outline:1.5px solid var(--brand);outline-offset:-1.5px}
.cal-d.study::after{content:"";position:absolute;bottom:4px;left:50%;width:5px;height:5px;margin-left:-2.5px;border-radius:50%;background:var(--ok)}
.cal-d.exam{background:var(--brand);color:var(--brand-ink);font-weight:700}
.cal-d.exam:hover{background:var(--brand)}
.cal-d.out{visibility:hidden}
.cal-note{font-size:.88rem;color:var(--muted)}
.cal-note b{color:var(--fg)}
.cal-leg{display:flex;gap:12px;flex-wrap:wrap;font-size:.8rem;color:var(--muted)}
.cal-leg i{display:inline-block;width:9px;height:9px;border-radius:50%;margin-right:5px;vertical-align:baseline}
.gear.sm{width:32px;height:32px}
.gear.sm svg{width:17px;height:17px}
.tabs{display:flex;gap:6px;overflow-x:auto;scrollbar-width:none}
.tabs::-webkit-scrollbar{display:none}
.tab{border:0;background:transparent;color:var(--muted);border-radius:999px;padding:7px 14px;font-weight:600;font-size:.94rem;white-space:nowrap}
.tab:hover{background:var(--brand-soft);color:var(--fg)}
.tab[aria-current="page"]{background:var(--brand-soft);color:var(--brand-strong)}

.wrap{display:flex;flex-direction:column;gap:16px;min-width:0;padding-block:8px 0}
.card{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:20px;min-width:0}
.card.flat{background:var(--surface-2)}
.stack{display:flex;flex-direction:column;gap:14px;min-width:0}
.row{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.between{justify-content:space-between}

.btn{border:1px solid var(--line);background:var(--surface);border-radius:12px;padding:10px 16px;font-weight:600;min-height:44px}
.btn:hover{border-color:var(--brand);background:var(--brand-soft)}
.btn.primary{background:var(--brand);border-color:var(--brand);color:var(--brand-ink)}
.btn.primary:hover{filter:brightness(1.07)}
.btn.danger{color:var(--bad);border-color:var(--bad)}
.btn:disabled{opacity:.5;cursor:default}
.linkbtn{background:none;border:0;padding:0;color:var(--brand-strong);font-weight:600;text-decoration:underline;text-underline-offset:3px;text-align:left}

/* início */
.hello{display:flex;flex-direction:column;gap:4px}
.hero{background:var(--hero-bg);color:var(--hero-ink);border-radius:20px;padding:22px;box-shadow:var(--shadow);
  background-image:repeating-linear-gradient(135deg,var(--hero-pat) 0 2px,transparent 2px 14px);display:flex;flex-direction:column;gap:14px}
.hero .lbl{color:var(--hero-sub);font-weight:600}
.hero .num{font-family:var(--font-display);font-weight:800;font-size:3.6rem;line-height:1;font-variant-numeric:tabular-nums}
.hero .row{align-items:flex-end;justify-content:space-between;gap:14px}
.hero .btn{background:var(--hero-btn-bg);color:var(--hero-btn-ink);border-color:transparent}
.hero .btn:hover{filter:brightness(.96);background:var(--hero-btn-bg)}
.hero .btn:disabled{opacity:.55}
.exam{display:inline-flex;gap:6px;align-items:center;background:rgba(255,255,255,.16);border-radius:999px;padding:3px 10px;font-size:.85rem;color:var(--hero-ink);width:fit-content}
.lv-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.lv{position:relative;min-width:0}
.lv input{position:absolute;opacity:0;inset:0;cursor:pointer;margin:0}
.lv span{display:flex;flex-direction:column;gap:2px;border:1.5px solid var(--line);background:var(--surface);border-radius:14px;padding:12px;height:100%}
.lv b{font-family:var(--font-display);font-size:1.05rem}
.lv em{font-style:normal;font-family:var(--font-display);font-weight:800;font-size:1.7rem;line-height:1.1;font-variant-numeric:tabular-nums}
.lv small{color:var(--muted);font-size:.8rem;line-height:1.3}
.lv input:checked + span{border-color:var(--brand);background:var(--brand-soft)}
.lv input:focus-visible + span{outline:3px solid var(--brand);outline-offset:2px}
.field{display:flex;flex-direction:column;gap:6px;min-width:0}
.field>label,.flabel{font-weight:600;font-size:.9rem}
.chips{display:flex;gap:8px;flex-wrap:wrap}
.chip{position:relative}
.chip input{position:absolute;opacity:0;inset:0;cursor:pointer;margin:0}
.chip span{display:inline-block;border:1.5px solid var(--line);border-radius:999px;padding:6px 14px;background:var(--surface);font-weight:500;font-size:.94rem}
.chip input:checked + span{background:var(--brand-soft);border-color:var(--brand);color:var(--brand-strong);font-weight:600}
.chip input:focus-visible + span{outline:3px solid var(--brand);outline-offset:2px}
select,input[type=text],input[type=date]{background:var(--surface);color:var(--fg);border:1px solid var(--line);border-radius:10px;padding:10px 12px;min-height:44px;max-width:100%}
.notice{display:flex;gap:12px;align-items:flex-start;justify-content:space-between;background:var(--brand-soft);border:1px solid var(--brand-line);border-radius:14px;padding:14px 16px}
.notice.warn{background:var(--warn-soft);border-color:transparent;color:var(--fg)}

/* prova */
.top{display:flex;flex-direction:column;gap:8px}
.top-row{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap}
.counter{font-weight:700;font-variant-numeric:tabular-nums}
.score{font-variant-numeric:tabular-nums;color:var(--muted);font-size:.92rem}
.score b{color:var(--ok)} .score u{text-decoration:none;color:var(--bad);font-weight:700}
.bar{height:8px;border-radius:99px;background:var(--line);overflow:hidden}
.bar>i{display:block;height:100%;background:var(--brand);width:0;border-radius:99px;transition:width .25s}
.path{color:var(--brand-strong);font-weight:600;font-size:.88rem;margin-bottom:10px;overflow-wrap:anywhere}
.qtext{font-size:1.14rem;line-height:1.5;text-wrap:pretty;overflow-wrap:anywhere}
.qtext b{font-weight:700}
.answers{display:flex;flex-direction:column;gap:10px;margin-top:18px}
.opt{display:grid;grid-template-columns:30px 1fr;gap:12px;align-items:start;text-align:left;width:100%;
  border:1.5px solid var(--line);background:var(--surface);border-radius:14px;padding:13px 14px;min-width:0;min-height:52px}
.opt .k{display:grid;place-items:center;width:28px;height:28px;border-radius:9px;background:var(--brand-soft);color:var(--brand-strong);font-weight:700;font-size:.9rem}
.opt .t{overflow-wrap:anywhere;padding-top:2px}
.opt:not(:disabled):hover{border-color:var(--brand);background:var(--brand-soft)}
.opt:disabled{cursor:default}
.opt.correct{border-color:var(--ok);background:var(--ok-soft)}
.opt.correct .k{background:var(--ok);color:var(--surface)}
.opt.wrong{border-color:var(--bad);background:var(--bad-soft)}
.opt.wrong .k{background:var(--bad);color:var(--surface)}
.opt.dim{opacity:.55}
.fb{display:flex;flex-direction:column;gap:14px;border-left:5px solid var(--line)}
.fb.ok{border-left-color:var(--ok)} .fb.no{border-left-color:var(--bad)}
.verdict{font-family:var(--font-display);font-size:1.35rem;font-weight:800}
.fb.ok .verdict{color:var(--ok)} .fb.no .verdict{color:var(--bad)}
.sec h3{font-size:.9rem;color:var(--muted);margin-bottom:3px;font-family:var(--font-ui);font-weight:700}
.sec p,.sec li{overflow-wrap:anywhere}
.sec ul{margin:0;padding-left:1.1rem;display:flex;flex-direction:column;gap:2px}
.when{font-size:.9rem;color:var(--muted)}
.when b{color:var(--fg)}
.note{display:flex;flex-direction:column;gap:8px}
.note img{display:block;width:100%;max-width:560px;border-radius:10px;border:1px solid var(--line);cursor:zoom-in;height:auto}
.note .cap{font-size:.88rem;color:var(--brand-strong);font-weight:600}
.actions{display:flex;gap:10px;flex-wrap:wrap;justify-content:space-between;align-items:center}

/* resultado, desempenho, alunos */
.big{font-family:var(--font-display);font-size:4rem;font-weight:800;line-height:1;font-variant-numeric:tabular-nums}
.kpis{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:10px}
.kpi{background:var(--surface-2);border:1px solid var(--line);border-radius:14px;padding:12px 14px;display:flex;flex-direction:column;gap:2px;min-width:0}
.kpi b{font-family:var(--font-display);font-size:1.7rem;font-weight:800;line-height:1.1;font-variant-numeric:tabular-nums}
.kpi span{color:var(--muted);font-size:.84rem}
.trow{display:grid;grid-template-columns:minmax(80px,130px) 1fr 74px;gap:10px;align-items:center;font-size:.92rem;font-variant-numeric:tabular-nums}
.trow .bar{height:10px}
.trow .bar>i{background:var(--ok)}
.trow .n{text-align:right;color:var(--muted)}
.wl{display:flex;flex-direction:column;gap:10px;margin:0;padding:0;list-style:none}
.wl li{border:1px solid var(--line);border-radius:12px;padding:12px;display:flex;flex-direction:column;gap:6px;min-width:0}
.wl .q{overflow-wrap:anywhere}
.wl .a{font-size:.92rem;color:var(--muted);overflow-wrap:anywhere}
.wl .a b{color:var(--ok)}
.rrow{display:flex;flex-direction:column;gap:6px;min-width:0}
.rhead{display:flex;justify-content:space-between;align-items:baseline;gap:10px;font-weight:600}
.rhead b{font-family:var(--font-display);font-size:1.25rem;font-variant-numeric:tabular-nums;color:var(--muted)}
.rhead b.g{color:var(--ok)} .rhead b.y{color:var(--warn)} .rhead b.r{color:var(--bad)}
.rbar{position:relative;height:14px;border-radius:99px;overflow:hidden;background:linear-gradient(90deg,var(--bad-soft) 0 80%,var(--warn-soft) 80% 90%,var(--ok-soft) 90% 100%)}
.rbar i{position:absolute;left:0;top:0;bottom:0;border-radius:99px;background:var(--muted);transition:width .25s}
.rbar i.g{background:var(--ok)} .rbar i.y{background:var(--mid)} .rbar i.r{background:var(--bad)}
.rbar.cov{background:var(--brand-soft)} .rbar.cov i{background:var(--brand)}
.rbar u{position:absolute;top:0;bottom:0;width:2px;margin-left:-1px;background:var(--surface)}
.chart{width:100%;height:auto;display:block}
.chart .c-ok{fill:var(--ok)} .chart .c-bad{fill:var(--bad)} .chart .c-brand{fill:var(--brand)}
.chart .c-axis{stroke:var(--line);stroke-width:1}
.chart .c-txt{fill:var(--muted);font:11px var(--font-ui)}
.chart .c-val{fill:var(--fg);font:600 11px var(--font-ui)}
.legend{display:flex;flex-wrap:wrap;gap:6px 14px;font-size:.85rem;color:var(--muted)}
.legend span{white-space:nowrap}
.legend i{display:inline-block;width:10px;height:10px;border-radius:3px;margin-right:6px}
.empty{padding:22px;text-align:center;color:var(--muted);border:1.5px dashed var(--line);border-radius:14px}
.stu{border:1px solid var(--line);border-radius:14px;padding:14px;display:flex;flex-direction:column;gap:10px;min-width:0;background:var(--surface)}
.stu-h{display:flex;justify-content:space-between;gap:10px;align-items:baseline;flex-wrap:wrap}
.stu-g{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;text-align:left}
.stu-g div{display:flex;flex-direction:column;min-width:0}
.stu-g b{font-family:var(--font-display);font-size:1.25rem;line-height:1.1;font-variant-numeric:tabular-nums}
.stu-g span{color:var(--muted);font-size:.78rem}
.err{display:grid;grid-template-columns:1fr 64px;gap:10px;align-items:start;padding:8px 0;border-top:1px solid var(--line)}
.err:first-child{border-top:0}
.err b{font-variant-numeric:tabular-nums;text-align:right;color:var(--bad)}

#lb{position:fixed;inset:0;z-index:50;background:rgba(8,12,22,.88);overflow:auto;padding:max(16px,env(safe-area-inset-top,0px)) max(16px,env(safe-area-inset-right,0px)) max(16px,env(safe-area-inset-bottom,0px)) max(16px,env(safe-area-inset-left,0px));display:flex;flex-direction:column;align-items:center;gap:12px}
#lb img{width:100%;max-width:820px;height:auto;border-radius:8px;cursor:zoom-in}
#lb img.zoom{max-width:none;width:1500px;cursor:zoom-out}
#lb .btn{align-self:flex-end;position:sticky;top:0}
@media (max-width:380px){ .brand>span:last-child{display:none} }
@media (max-width:520px){
  .pill .pl{display:none} .pill .ps{display:inline}
  .card{padding:16px} h1{font-size:1.6rem}
  .hero .num{font-size:3rem}
  .lv-grid{gap:8px} .lv span{padding:10px 8px} .lv em{font-size:1.4rem}
  .trow{grid-template-columns:78px 1fr 62px}
  .stu-g{grid-template-columns:repeat(2,1fr)}
}
@media (prefers-reduced-motion:reduce){.bar>i{transition:none}}

/* ranking */
.seg{display:flex;gap:6px;flex-wrap:wrap}
.seg button{border:1.5px solid var(--line);background:var(--surface);border-radius:999px;padding:6px 14px;font-weight:600;font-size:.92rem;color:var(--muted)}
.seg button[aria-pressed="true"]{background:var(--brand-soft);border-color:var(--brand);color:var(--brand-strong)}
.rk{display:grid;grid-template-columns:34px minmax(0,1fr) auto;gap:4px 10px;align-items:center;padding:10px 12px;border:1px solid var(--line);border-radius:14px;background:var(--surface)}
.rk.me{background:var(--brand-soft);border-color:var(--brand)}
.rk .pos{font-family:var(--font-display);font-weight:800;font-size:1.15rem;text-align:center;color:var(--muted)}
.rk.top .pos{color:var(--brand-strong)}
.rk .nm{font-weight:600;min-width:0;overflow-wrap:anywhere}
.rk .nm small{display:block;font-weight:500;color:var(--muted);font-size:.78rem}
.rk .val{font-family:var(--font-display);font-weight:800;font-size:1.15rem;font-variant-numeric:tabular-nums}
.rk .bar{grid-column:2 / 4;height:6px}
.rk .bar>i{background:var(--brand)}
.rk-list{display:flex;flex-direction:column;gap:8px}

/* ===== versão com login ===== */
.bad{color:var(--bad)} .ok{color:var(--ok)}
input[type=email],input[type=password],input[type=url],input[type=file],textarea{background:var(--surface);color:var(--fg);border:1px solid var(--line);border-radius:10px;padding:10px 12px;min-height:44px;max-width:100%;width:100%;font:inherit}
textarea{min-height:90px;resize:vertical}
input[type=text],input[type=email],input[type=password],input[type=date],select{width:100%}
.auth{max-width:440px;margin:24px auto 0}
.brand{min-width:0}
.matsel{font:inherit;font-family:var(--font-display);font-weight:800;font-size:1.05rem;border:1px solid var(--line);background:var(--surface);border-radius:10px;padding:4px 8px;min-height:36px;width:auto;max-width:46vw}
#toast{position:fixed;left:50%;bottom:max(18px,env(safe-area-inset-bottom,0px));transform:translateX(-50%);background:var(--fg);color:var(--bg);padding:11px 16px;border-radius:12px;box-shadow:var(--shadow);z-index:60;max-width:min(92vw,520px);font-size:.92rem}
.qtools{margin-top:-4px}
.qtools .row{gap:6px 18px;padding:4px 4px 0}
.qtools .linkbtn{font-weight:500;font-size:.88rem;color:var(--muted)}
.qtools .linkbtn:disabled{text-decoration:none;opacity:.7}
.achip{display:inline-flex;align-items:center;gap:6px;background:var(--brand-soft);border:1px solid var(--brand-line);border-radius:999px;padding:3px 6px 3px 12px;font-size:.84rem}
.achip button{border:0;background:transparent;color:var(--muted);width:24px;height:24px;border-radius:50%;padding:0;line-height:1}
.achip button:hover{background:var(--bad-soft);color:var(--bad)}
.badge{display:inline-block;background:var(--warn-soft);color:var(--warn);border-radius:6px;padding:0 7px;font-size:.74rem;font-weight:700;margin-left:6px}
.grid2{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:12px}
.mono{font-family:ui-monospace,Menlo,Consolas,monospace;font-size:.82rem}
.rd-top{display:flex;gap:10px;align-items:center;justify-content:space-between;flex-wrap:wrap}
.pdfbox{display:flex;flex-direction:column;gap:12px;align-items:center;user-select:none;-webkit-user-select:none}
.pdfpage{position:relative;background:#fff;border:1px solid var(--line);border-radius:6px;max-width:100%;box-shadow:var(--shadow)}
.pdfpage canvas{display:block;width:100%;height:100%}
@media print{ body.reading *{display:none!important} }
.mark{flex:none}
.brand #brandName{overflow:hidden;text-overflow:ellipsis}