/* Marte, um app Propulsia. Cores, fontes e movimento seguem o Manual Propulsia v1.0.
   Vidro líquido: o app inteiro fica sobre o azul-espaço; o vidro escuro é a moldura (barras, cartões, botões)
   e o vidro claro é onde se lê e escreve (folha, teoria, lição), porque a caneta e os desenhos pedem papel. */
:root {
  /* marca */
  --espaco: #0B1026;
  --grafite: #1B1E34;
  --papel: #F6F7FB;
  --nevoa: #E9EDF7;
  --estrela: #4B5578;
  --marte: #FF6B4A;
  --marte-claro: #FF9A7E;
  --chama: #FFB547;
  --laranja: #FFB547;
  --aurora: linear-gradient(45deg, #3FB8AF, #5B8DEF 55%, #C084FC);
  --acao: linear-gradient(180deg, #FF8A63, #F2542D);

  /* texto sobre o espaço */
  --texto: #F6F7FB;
  --suave: rgba(233, 237, 247, .66);
  --linha: rgba(233, 237, 247, .14);
  --certo: #5BE49B;
  --errado: #FF7B7B;

  /* tinta: texto e traço sobre o papel */
  --tinta: #0B1026;
  --nota: #F2542D;

  /* vidro */
  --vidro: linear-gradient(135deg, rgba(255, 255, 255, .13), rgba(255, 255, 255, .045));
  --vidro-borda: rgba(255, 255, 255, .16);
  --vidro-brilho: inset 0 1px 0 rgba(255, 255, 255, .26), inset 0 -1px 0 rgba(255, 255, 255, .04);
  --vidro-sombra: 0 10px 30px rgba(3, 6, 20, .35);
  --desfoque: blur(24px) saturate(170%);
  --raio: 20px;

  --fonte: "Geist", -apple-system, system-ui, "Segoe UI", Roboto, sans-serif;
  --fonte-mono: "Geist Mono", ui-monospace, Menlo, monospace;
  --fonte-marca: "Michroma", "Geist", sans-serif;
}

/* Superfícies claras redefinem as cores de texto: tudo dentro delas volta a ser tinta sobre papel. */
.papel, .claro, .teoria .cartao, .es-cartao, .modal.teoria, .leitura {
  --suave: #4B5578;
  --linha: #DCE2EF;
  --certo: #1F8A4C;
  --errado: #D23B2F;
  color: var(--tinta);
}

* { box-sizing: border-box; }
html { background: var(--espaco); }
html, body { margin: 0; min-height: 100%; color: var(--texto); font-family: var(--fonte); -webkit-text-size-adjust: 100%; -webkit-font-smoothing: antialiased; }
body { overscroll-behavior: none; background: transparent; }
/* O céu fica parado atrás de tudo: base azul-espaço, brilho do Marte no alto e a aurora embaixo. */
body::before {
  content: ""; position: fixed; inset: 0; z-index: -1; pointer-events: none;
  background:
    url("../marca/estrelas.svg") 0 0 / 600px 600px,
    radial-gradient(60vmax 50vmax at 92% -8%, rgba(255, 107, 74, .30), transparent 62%),
    radial-gradient(55vmax 45vmax at -10% 108%, rgba(63, 184, 175, .22), transparent 60%),
    radial-gradient(45vmax 40vmax at 40% 120%, rgba(192, 132, 252, .18), transparent 62%),
    linear-gradient(160deg, var(--grafite), var(--espaco) 55%);
}
button, input, select { font: inherit; }
a { color: var(--marte-claro); }
.claro a, .papel a { color: #C2410C; }
h1, h2, h3 { margin: 0; line-height: 1.2; font-weight: 600; letter-spacing: -.01em; }

/* ---------- vidro ---------- */
.cartao, .btn, .seg, .resumo .num, .es-stat, .modulos a {
  background: var(--vidro); border: 1px solid var(--vidro-borda); box-shadow: var(--vidro-brilho), var(--vidro-sombra);
}
/* O desfoque custa caro no iPad: só nas peças que flutuam sobre conteúdo que rola. */
.topo, .modal, .toast, .aviso-correcao, .veu { -webkit-backdrop-filter: var(--desfoque); backdrop-filter: var(--desfoque); }

.topo {
  position: sticky; top: 0; z-index: 20; display: flex; align-items: center; gap: 10px;
  padding: max(10px, env(safe-area-inset-top)) 16px 10px;
  background: linear-gradient(180deg, rgba(27, 30, 52, .72), rgba(11, 16, 38, .55));
  border-bottom: 1px solid var(--vidro-borda); box-shadow: inset 0 -1px 0 rgba(255, 255, 255, .04), 0 8px 24px rgba(3, 6, 20, .25);
}
.topo h1 { font-size: 20px; }
.topo .sub { color: var(--suave); font-size: 14px; }
.cresce { flex: 1; min-width: 0; }
.voltar { border: 0; background: none; font-size: 28px; color: var(--texto); padding: 4px 8px; cursor: pointer; text-decoration: none; line-height: 1; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px; min-height: 44px; padding: 10px 18px;
  border-radius: 999px; color: var(--texto); font-size: 16px; font-weight: 600; cursor: pointer; text-decoration: none;
  box-shadow: var(--vidro-brilho), 0 4px 14px rgba(3, 6, 20, .25); transition: transform .12s, background .2s;
}
.btn:active { transform: scale(.97); }
.btn.primario, .btn.laranja, .btn.on {
  background: var(--acao); border-color: rgba(255, 190, 170, .55); color: #fff;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, .45), inset 0 -2px 6px rgba(150, 30, 0, .25), 0 6px 20px rgba(242, 84, 45, .35);
  text-shadow: 0 1px 1px rgba(120, 30, 0, .3);
}
.btn.perigo { color: #FF9C9C; border-color: rgba(255, 123, 123, .4); }
.btn:disabled { opacity: .45; cursor: default; transform: none; }
.btn.grande { min-height: 56px; font-size: 19px; padding: 14px 28px; }
.claro .btn:not(.primario):not(.laranja):not(.on):not(.es-primario) { color: var(--tinta); background: rgba(11, 16, 38, .05); border-color: rgba(11, 16, 38, .14); box-shadow: none; }

.conteudo { max-width: 860px; margin: 0 auto; padding: 18px 16px 60px; }
.cartao { border-radius: var(--raio); padding: 20px; color: var(--texto); }
.claro, .teoria .cartao, .es-cartao {
  background: linear-gradient(180deg, rgba(255, 255, 255, .96), rgba(246, 247, 251, .9));
  border: 1px solid rgba(255, 255, 255, .7); color: var(--tinta);
  box-shadow: inset 0 1px 0 #fff, 0 14px 40px rgba(3, 6, 20, .4);
}
.pilha > * + * { margin-top: 14px; }

/* formulários */
.form label { display: block; font-size: 14px; color: var(--suave); margin-bottom: 6px; font-weight: 500; }
.form input, .form select {
  width: 100%; font-size: 17px; padding: 12px 14px; border-radius: 12px; color: var(--texto);
  background: rgba(255, 255, 255, .07); border: 1px solid rgba(255, 255, 255, .18); box-shadow: inset 0 1px 2px rgba(0, 0, 0, .2);
}
.form input::placeholder { color: rgba(233, 237, 247, .4); }
.form input:focus, .form select:focus { outline: none; border-color: var(--marte); box-shadow: 0 0 0 3px rgba(255, 107, 74, .28); }
.form select option { color: var(--tinta); }
.form .linha2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.form .check { display: flex; gap: 10px; align-items: flex-start; font-size: 15px; color: var(--texto); font-weight: 400; }
.form .check input { width: 22px; height: 22px; flex: none; margin-top: 1px; accent-color: var(--marte); }
.erro-msg { color: var(--errado); font-size: 15px; min-height: 20px; }
.entrada { max-width: 440px; margin: 6vh auto 0; }
.entrada .marca { text-align: center; margin-bottom: 22px; }
.entrada .marca .logo { width: 104px; height: 104px; display: block; margin: 0 auto 14px; filter: drop-shadow(0 12px 30px rgba(255, 107, 74, .35)); }
.entrada .marca h1 { font-family: var(--fonte-marca); font-weight: 400; font-size: 30px; letter-spacing: .1em; text-transform: uppercase; }
.entrada .marca h1.comum { font-family: var(--fonte); font-weight: 600; font-size: 26px; letter-spacing: -.01em; text-transform: none; }
.entrada .marca p { color: var(--suave); margin: 8px 0 0; }
.selo { display: flex; align-items: center; justify-content: center; gap: 8px; color: var(--suave); font-size: 13px; margin-top: 22px; }
.selo img { width: 18px; height: 18px; }
.destaque { background: linear-gradient(120deg, rgba(255, 181, 71, .2), rgba(255, 107, 74, .16)); border-color: rgba(255, 154, 126, .35); }

/* alunos */
.alunos { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 14px; }
.aluno { text-align: left; cursor: pointer; display: flex; flex-direction: column; gap: 6px; min-height: 140px; font: inherit; }
.aluno .avatar {
  width: 54px; height: 54px; border-radius: 50%; display: grid; place-items: center; font-size: 24px; font-weight: 700; color: #fff;
  background: radial-gradient(circle at 35% 30%, #FFB08F, var(--marte) 60%, #D94A2B); box-shadow: 0 0 0 4px rgba(255, 107, 74, .18), 0 6px 18px rgba(255, 107, 74, .35);
}
.aluno .nome { font-size: 19px; font-weight: 600; }
.aluno .info { color: var(--suave); font-size: 14px; }
.aluno.novo { align-items: center; justify-content: center; color: var(--texto); font-weight: 600; border: 2px dashed rgba(255, 255, 255, .25); background: rgba(255, 255, 255, .03); box-shadow: none; text-decoration: none; }

/* trilha */
.seletores { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.seg { display: inline-flex; border-radius: 999px; padding: 4px; }
.seg button { border: 0; background: none; padding: 8px 14px; border-radius: 999px; font-size: 15px; color: var(--suave); cursor: pointer; font-weight: 600; }
.seg button.on { background: var(--acao); color: #fff; box-shadow: inset 0 1px 0 rgba(255, 255, 255, .4), 0 4px 12px rgba(242, 84, 45, .35); }
.resumo { display: flex; gap: 12px; flex-wrap: wrap; }
.resumo .num { border-radius: 16px; padding: 12px 16px; min-width: 120px; }
.resumo .num b { display: block; font-size: 24px; font-family: var(--fonte-mono); font-weight: 500; }
.resumo .num span { font-size: 13px; color: var(--suave); }
.eixo-titulo { font-size: 14px; text-transform: uppercase; letter-spacing: .05em; color: var(--suave); margin: 22px 0 8px; }
.hab { display: flex; align-items: center; gap: 14px; width: 100%; text-align: left; cursor: pointer; padding: 14px 16px; font: inherit; }
.hab + .hab { margin-top: 10px; }
.hab .icone { width: 40px; height: 40px; border-radius: 50%; display: grid; place-items: center; flex: none; font-size: 18px; background: rgba(255, 255, 255, .08); color: var(--suave); border: 1px solid var(--vidro-borda); }
.hab.dominada .icone { background: rgba(91, 228, 155, .16); color: var(--certo); border-color: rgba(91, 228, 155, .35); }
.hab.proxima { border-color: rgba(255, 154, 126, .7); box-shadow: var(--vidro-brilho), 0 0 0 3px rgba(255, 107, 74, .25), 0 10px 30px rgba(242, 84, 45, .25); }
.hab.proxima .icone { background: var(--acao); color: #fff; border-color: transparent; }
.hab .titulo { font-weight: 600; font-size: 17px; }
.hab .meta { font-size: 13px; color: var(--suave); margin-top: 2px; }
.etiqueta { font-size: 11px; font-weight: 600; padding: 4px 9px; border-radius: 999px; background: var(--acao); color: #fff; letter-spacing: .04em; font-family: var(--fonte-mono); }

/* teoria */
.teoria { max-width: 720px; margin: 0 auto; }
.teoria .cartao { min-height: 46vh; font-size: 20px; line-height: 1.5; }
.teoria .cartao h2 { font-size: 24px; margin-bottom: 12px; color: var(--tinta); }
.teoria .cartao svg { max-width: 100%; height: auto; display: block; margin: 10px auto; }
.teoria .pontos { display: flex; justify-content: center; gap: 8px; margin: 14px 0; }
.teoria .pontos i { width: 10px; height: 10px; border-radius: 50%; background: rgba(255, 255, 255, .22); }
.teoria .pontos i.on { background: var(--marte); box-shadow: 0 0 10px rgba(255, 107, 74, .7); }
.teoria .navega { display: flex; justify-content: space-between; gap: 10px; }

/* folha */
.folha-topo { flex-wrap: wrap; }
.tempo { font-variant-numeric: tabular-nums; font-family: var(--fonte-mono); font-size: 20px; font-weight: 500; color: var(--texto); min-width: 64px; text-align: right; }
.tempo small { display: block; font-size: 11px; color: var(--suave); font-weight: 500; }
.rolavel { height: calc(100vh - 70px); height: calc(100dvh - 70px); overflow-y: auto; -webkit-overflow-scrolling: touch; }
.papel {
  position: relative; max-width: 820px; margin: 16px auto 120px; background: #fff; border-radius: 14px; padding: 26px 34px 40px;
  box-shadow: 0 0 0 1px rgba(255, 255, 255, .6), 0 18px 50px rgba(3, 6, 20, .45);
  -webkit-user-select: none; user-select: none; -webkit-touch-callout: none;
}
.papel-cab { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 18px; gap: 10px; }
.papel-cab h2 { font-size: 21px; }
.papel-cab span { color: var(--suave); font-size: 14px; }
.questoes { display: grid; grid-template-columns: 1fr 1fr; column-gap: 34px; row-gap: 26px; }
.q { display: grid; grid-template-columns: 40px 1fr; align-items: start; position: relative; }
.q.larg-2 { grid-column: 1 / -1; }
.qn { color: var(--suave); font-size: 15px; padding-top: 6px; font-variant-numeric: tabular-nums; font-family: var(--fonte-mono); }
.q.errada .qn { color: var(--errado); font-weight: 700; }
.q.errada .qn::before { content: "✗ "; }
.qc { font-size: 26px; line-height: 1.35; min-width: 0; }
.q-texto { margin: 0 0 8px; font-size: 20px; line-height: 1.45; }
.q-linha { display: flex; flex-wrap: wrap; align-items: center; gap: 6px 4px; margin: 4px 0; font-variant-numeric: tabular-nums; }
.q-svg { margin: 6px 0; max-width: 100%; }
.q-svg svg { width: 100%; height: auto; display: block; }
.caixa { display: inline-block; height: 70px; border: 2px dashed #B9C3DA; border-radius: 12px; background: rgba(91, 141, 239, .045); vertical-align: middle; position: relative; flex: none; }
.caixa.errada { border-color: var(--errado); border-style: solid; background: rgba(210, 59, 47, .05); }
.caixa .lido { position: absolute; left: 4px; bottom: -20px; font-size: 13px; color: var(--errado); white-space: nowrap; font-weight: 600; }
.armada { display: inline-flex; flex-direction: column; align-items: stretch; font-size: 38px; line-height: 1.12; font-variant-numeric: tabular-nums; min-width: 170px; padding-top: 26px; /* espaço para o "vai um" */ }
.armada .parciais { background: repeating-linear-gradient(transparent 0 49px, #EEF1F7 49px 50px); }
.rascunho { margin-top: 10px; border-radius: 8px; background: repeating-linear-gradient(transparent 0 33px, #EDF0F6 33px 34px); position: relative; }
.rascunho span { position: absolute; right: 6px; top: 2px; font-size: 11px; color: #A3ACC4; text-transform: uppercase; letter-spacing: .06em; font-family: var(--fonte-mono); }
.armada .termo { display: flex; justify-content: flex-end; letter-spacing: .32em; margin-right: -.32em; }
.armada .termo .op { margin-right: auto; letter-spacing: 0; }
.armada .traco { border-top: 2.5px solid var(--tinta); margin: 4px 0 6px; }
.armada .caixa { width: 100% !important; height: 72px; }
.carimbo { position: absolute; top: 6px; left: 50%; transform: translateX(-50%) rotate(-6deg); font-size: 110px; font-weight: 300; color: var(--nota); pointer-events: none; line-height: 1; z-index: 3; text-shadow: 0 0 1px #fff; }
.tinta { position: absolute; inset: 0; width: 100%; height: 100%; touch-action: none; z-index: 2; }
.aviso-correcao {
  position: fixed; left: 50%; bottom: max(20px, env(safe-area-inset-bottom)); transform: translateX(-50%); z-index: 30; color: var(--texto);
  background: rgba(27, 30, 52, .72); border: 1px solid var(--vidro-borda); padding: 14px 18px; border-radius: 20px; display: flex; gap: 12px; align-items: center;
  box-shadow: var(--vidro-brilho), 0 12px 36px rgba(0, 0, 0, .4); max-width: calc(100% - 32px); font-size: 16px;
}

/* camadas */
.veu { position: fixed; inset: 0; z-index: 50; background: rgba(5, 8, 22, .5); display: grid; place-items: center; padding: 16px; -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px); }
.modal {
  border-radius: 28px; padding: 26px; max-width: 520px; width: 100%; color: var(--texto);
  background: linear-gradient(160deg, rgba(43, 47, 78, .82), rgba(17, 21, 46, .78)); border: 1px solid rgba(255, 255, 255, .2);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, .3), 0 24px 70px rgba(0, 0, 0, .5);
}
.modal.teoria { background: linear-gradient(180deg, rgba(255, 255, 255, .97), rgba(246, 247, 251, .94)); border-color: rgba(255, 255, 255, .8); }
.modal h2 { font-size: 24px; margin-bottom: 10px; }
.modal .acoes { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 20px; justify-content: flex-end; }
.festa { text-align: center; }
.festa .grande { font-size: 64px; }
.festa .estat { display: flex; justify-content: center; gap: 22px; margin: 14px 0; }
.festa .estat b { display: block; font-size: 28px; font-family: var(--fonte-mono); font-weight: 500; }
.festa .estat span { font-size: 13px; color: var(--suave); }
.carregando { display: flex; flex-direction: column; align-items: center; gap: 14px; color: #fff; font-size: 19px; font-weight: 600; }
.girador { width: 96px; height: 96px; display: block; }
.toast {
  position: fixed; left: 50%; top: max(80px, calc(env(safe-area-inset-top) + 64px)); transform: translateX(-50%); z-index: 60; color: var(--texto);
  background: rgba(27, 30, 52, .78); border: 1px solid var(--vidro-borda); box-shadow: var(--vidro-brilho), 0 12px 32px rgba(0, 0, 0, .4);
  padding: 12px 18px; border-radius: 16px; font-size: 16px; max-width: 90%;
}

/* histórico */
.cal-cab { display: flex; align-items: center; justify-content: space-between; margin-bottom: 10px; }
.cal { display: grid; grid-template-columns: repeat(7, 1fr); gap: 6px; }
.cal .dsem { text-align: center; font-size: 12px; font-weight: 600; color: var(--suave); background: rgba(255, 255, 255, .06); border-radius: 999px; padding: 4px 0; }
.cal .dia { aspect-ratio: 1.2; border-radius: 12px; background: rgba(255, 255, 255, .04); padding: 6px; font-size: 14px; font-weight: 600; position: relative; font-family: var(--fonte-mono); }
.cal .dia.fora { opacity: .3; }
.cal .dia.hoje { outline: 2px solid var(--marte); }
.cal .dia.estudou { background: rgba(255, 255, 255, .12); box-shadow: inset 0 1px 0 rgba(255, 255, 255, .2); }
.cal .dia .estrela { position: absolute; left: 50%; bottom: 6px; transform: translateX(-50%); color: var(--chama); font-size: 20px; text-shadow: 0 0 10px rgba(255, 181, 71, .7); }
.barras { display: flex; align-items: flex-end; gap: 14px; height: 160px; padding-top: 20px; }
.barras .b { flex: 1; display: flex; flex-direction: column; align-items: center; gap: 6px; height: 100%; justify-content: flex-end; }
.barras .b i { display: block; width: 100%; max-width: 64px; background: linear-gradient(0deg, #3FB8AF, #5B8DEF 55%, #C084FC); border-radius: 10px 10px 0 0; min-height: 4px; }
.barras .b span { font-size: 13px; color: var(--suave); }
.barras .b b { font-size: 15px; font-family: var(--fonte-mono); font-weight: 500; }
table.lista { width: 100%; border-collapse: collapse; font-size: 15px; }
table.lista th, table.lista td { padding: 10px 8px; border-bottom: 1px solid var(--linha); text-align: left; }
table.lista th { font-size: 12px; text-transform: uppercase; color: var(--suave); letter-spacing: .04em; font-weight: 500; }
table.lista tr.clicavel { cursor: pointer; }
table.lista tr.clicavel:hover { background: rgba(255, 255, 255, .05); }
.pill { font-size: 12px; font-weight: 600; padding: 3px 9px; border-radius: 999px; background: rgba(255, 255, 255, .1); color: var(--suave); white-space: nowrap; }
.pill.verde { background: rgba(91, 228, 155, .16); color: var(--certo); }
.pill.vermelho { background: rgba(255, 123, 123, .16); color: var(--errado); }
.pill.azul { background: rgba(91, 141, 239, .22); color: #AFC6FF; }
.tabela-rola { overflow-x: auto; }

@media (max-width: 640px) {
  .questoes { grid-template-columns: 1fr; }
  .papel { padding: 20px 16px 30px; }
  .form .linha2 { grid-template-columns: 1fr; }
}

/* trilha por unidade */
.unidade { margin-top: 12px; }
.unidade > summary { list-style: none; display: flex; align-items: center; gap: 12px; cursor: pointer; padding: 12px 6px; border-bottom: 1px solid var(--linha); }
.unidade > summary::-webkit-details-marker { display: none; }
.unidade > summary::before { content: "▸"; color: var(--suave); font-size: 18px; transition: transform .15s; }
.unidade[open] > summary::before { transform: rotate(90deg); }
.unidade > summary b { display: block; font-size: 18px; font-weight: 600; }
.unidade > summary small { color: var(--suave); font-size: 13px; }
.unidade > .hab:first-of-type { margin-top: 12px; }

/* espanhol */
.caixa.caixa-texto { max-width: 100%; height: 76px; }
.falar-btn { margin: 4px 0 8px; }
button.falar { border: 0; background: rgba(91, 141, 239, .14); color: #3B5FC0; border-radius: 999px; padding: 2px 10px; font-size: 16px; cursor: pointer; vertical-align: middle; }
.es-resultado button.falar { background: rgba(255, 255, 255, .14); color: var(--texto); }
.leitura { background: #FBFAF5; border: 1px solid #ECE6D3; border-radius: 12px; padding: 16px 20px; margin-bottom: 22px; font-size: 19px; line-height: 1.55; }
.leitura h3 { font-size: 21px; margin-bottom: 6px; }
.caixa .dica { position: absolute; left: 4px; bottom: -40px; font-size: 13px; color: #C2410C; white-space: nowrap; font-weight: 700; }
.teoria table { border-collapse: collapse; margin: 8px 0; font-size: 18px; }
.teoria td, .teoria th { border: 1px solid var(--linha); padding: 4px 10px; }
.modulos { display: flex; gap: 8px; }
.modulos a { flex: 1; text-align: center; padding: 12px; border-radius: 16px; text-decoration: none; font-weight: 600; font-size: 18px; color: var(--texto); }
.modulos a.on { background: var(--acao); color: #fff; }
.desafio { display: flex; align-items: center; gap: 14px; width: 100%; text-align: left; cursor: pointer; font: inherit; color: var(--texto);
  background: linear-gradient(120deg, rgba(255, 181, 71, .24), rgba(255, 107, 74, .18) 60%, rgba(192, 132, 252, .14)); border-color: rgba(255, 181, 71, .4); }
.desafio small { color: var(--suave); }
.desafio .grande { font-size: 34px; }
.desafio.fechado { background: var(--vidro); border-color: var(--vidro-borda); cursor: default; opacity: .8; }
.pratica-licao { position: relative; }
.pratica-licao .papel { margin: 0; }
.feedback { margin-top: 12px; font-size: 18px; font-weight: 700; }
.feedback.ok { color: var(--certo); }
.feedback.nok { color: var(--errado); }
/* Botões de áudio ficam acima da camada de tinta, senão o toque viraria traço. */
.papel button.falar, .papel .falar-btn { position: relative; z-index: 3; }

/* escolha da área */
.areas { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin-top: 4vh; }
.area { display: flex; flex-direction: column; align-items: center; gap: 8px; padding: 36px 20px; text-decoration: none; color: var(--texto); text-align: center; position: relative; overflow: hidden; }
.area::after { content: ""; position: absolute; inset: 0 0 auto; height: 4px; background: var(--cor-area, var(--marte)); box-shadow: 0 0 18px var(--cor-area, var(--marte)); }
.area .icone-area { font-size: 64px; filter: drop-shadow(0 8px 18px rgba(0, 0, 0, .35)); }
.area b { font-size: 26px; font-weight: 600; }
.area small { color: var(--suave); font-size: 15px; }
.area.mat { --cor-area: var(--marte); }
.area.es { --cor-area: #E5304B; }
@media (max-width: 640px) { .areas { grid-template-columns: 1fr; } }
.area.bloqueada { opacity: .5; --cor-area: rgba(255, 255, 255, .2); }

/* ===== Espanhol: caminho de lições com cores próprias, no mesmo vidro ===== */
:root { --es: #E5304B; --es-ouro: #F5C400; --es-verde: #58C700; --es-cor-0: #E5304B; --es-cor-1: #1CB0F6; --es-cor-2: #B57BFF; --es-cor-3: #FF9600; --es-cor-4: #4FB300; }
.topo-es { background: linear-gradient(180deg, rgba(60, 22, 44, .7), rgba(11, 16, 38, .55)); }
.btn.es-primario { background: linear-gradient(180deg, #F2506A, #CC1F3C); border-color: rgba(255, 170, 185, .5); color: #fff; box-shadow: inset 0 1px 0 rgba(255, 255, 255, .4), 0 6px 20px rgba(229, 48, 75, .35); }
.btn.es-primario:disabled { background: rgba(255, 255, 255, .12); border-color: var(--vidro-borda); color: var(--suave); box-shadow: none; }
.es-stats { display: flex; gap: 10px; flex-wrap: wrap; }
.es-stat { border-radius: 16px; padding: 12px 14px; flex: 1; min-width: 120px; }
.es-stat b { display: block; font-size: 22px; font-weight: 600; }
.es-stat span { font-size: 13px; color: var(--suave); }
.es-area .seg button.on { background: linear-gradient(180deg, #F2506A, #CC1F3C); box-shadow: inset 0 1px 0 rgba(255, 255, 255, .4), 0 4px 12px rgba(229, 48, 75, .35); }
.es-unidade { margin-top: 20px; }
.es-unidade-cab { background: linear-gradient(120deg, var(--cor), color-mix(in srgb, var(--cor) 60%, #0B1026)); color: #fff; border-radius: 20px; padding: 14px 18px; border: 1px solid rgba(255, 255, 255, .25); box-shadow: inset 0 1px 0 rgba(255, 255, 255, .35), 0 10px 26px rgba(3, 6, 20, .35); }
.es-unidade-cab small { display: block; opacity: .85; font-weight: 600; text-transform: uppercase; font-size: 12px; letter-spacing: .06em; font-family: var(--fonte-mono); }
.es-unidade-cab b { font-size: 20px; font-weight: 600; }
.es-caminho { display: flex; flex-direction: column; align-items: center; gap: 18px; padding: 24px 0 10px; }
.es-no { border: 0; background: none; cursor: pointer; display: flex; flex-direction: column; align-items: center; gap: 4px; position: relative; font: inherit; }
.es-bola { width: 74px; height: 74px; border-radius: 50%; display: grid; place-items: center; font-size: 30px; color: rgba(255, 255, 255, .7);
  background: radial-gradient(circle at 35% 28%, rgba(255, 255, 255, .28), rgba(255, 255, 255, .07) 70%); border: 1px solid var(--vidro-borda); box-shadow: inset 0 1px 0 rgba(255, 255, 255, .3), 0 6px 0 rgba(3, 6, 20, .45); }
.es-no.feita .es-bola { background: radial-gradient(circle at 35% 28%, color-mix(in srgb, var(--cor) 55%, #fff), var(--cor) 70%); color: #fff; box-shadow: inset 0 1px 0 rgba(255, 255, 255, .45), 0 6px 0 rgba(3, 6, 20, .45); }
.es-no.dominada .es-bola { background: radial-gradient(circle at 35% 28%, #FFF2A8, var(--es-ouro) 70%); box-shadow: inset 0 1px 0 rgba(255, 255, 255, .6), 0 6px 0 #9C7C00; }
.es-no.atual .es-bola { background: radial-gradient(circle at 35% 28%, color-mix(in srgb, var(--cor) 55%, #fff), var(--cor) 70%); color: #fff; box-shadow: 0 6px 0 rgba(3, 6, 20, .45), 0 0 0 8px rgba(255, 255, 255, .85), 0 0 0 12px var(--cor), 0 0 34px var(--cor); animation: pulso 1.6s ease-in-out infinite; }
@keyframes pulso { 50% { transform: scale(1.06); } }
.es-coroas { position: absolute; top: -10px; right: -18px; font-size: 14px; }
.es-rotulo { font-size: 13px; font-weight: 600; color: var(--texto); max-width: 160px; text-align: center; }
.es-licao-topo { gap: 14px; }
.es-barra { flex: 1; height: 16px; background: rgba(255, 255, 255, .12); border-radius: 999px; overflow: hidden; box-shadow: inset 0 1px 3px rgba(0, 0, 0, .3); }
.es-barra i { display: block; height: 100%; background: linear-gradient(90deg, #4FB300, #8BE04E); border-radius: 999px; transition: width .3s; box-shadow: 0 0 12px rgba(139, 224, 78, .6); }
.es-tela { max-width: 760px; }
.es-cartao { font-size: 20px; line-height: 1.5; min-height: 40vh; }
.es-cartao h2 { font-size: 26px; margin: 4px 0 12px; }
.es-sobre { color: var(--suave); font-weight: 600; text-transform: uppercase; font-size: 12px; letter-spacing: .06em; font-family: var(--fonte-mono); }
.es-cartao table { border-collapse: collapse; margin: 8px 0; }
.es-cartao td, .es-cartao th { border: 1px solid var(--linha); padding: 4px 10px; }
.es-enunciado { font-weight: 600; font-size: 20px; margin: 6px 0 12px; }
.es-papel { margin: 0 0 14px; }
.es-rodape { position: sticky; bottom: 0; display: flex; gap: 12px; align-items: center; justify-content: flex-end; padding: 14px 16px max(14px, env(safe-area-inset-bottom)); margin: 0 -16px; background: none; }
.es-resultado { border-radius: 22px 22px 0 0; border-top: 1px solid; -webkit-backdrop-filter: var(--desfoque); backdrop-filter: var(--desfoque); }
.es-resultado.ok { background: linear-gradient(180deg, rgba(88, 199, 0, .34), rgba(30, 80, 20, .5)); color: #D9FFC2; border-top-color: rgba(139, 224, 78, .5); }
.es-resultado.nok { background: linear-gradient(180deg, rgba(229, 48, 75, .34), rgba(90, 16, 30, .5)); color: #FFD6DC; border-top-color: rgba(255, 120, 140, .5); }
.es-resultado b { font-size: 20px; }
.es-fim { text-align: center; padding-top: 8vh; }
.es-fim-icone { font-size: 90px; }
.es-fim h1 { font-size: 32px; margin: 10px 0; }
.es-estrelas { font-size: 40px; margin-bottom: 18px; }
.es-fim .es-stats { justify-content: center; margin-bottom: 14px; }
details.leitura > summary { cursor: pointer; font-weight: 700; margin-bottom: 8px; }
.es-no .es-rotulo { margin-top: 8px; }
.es-no.atual .es-rotulo { margin-top: 16px; }
.es-papel .qn { display: none; }
.es-papel .q { grid-template-columns: 1fr; }
.es-papel .q-texto { font-size: 24px; }
.es-papel .caixa.caixa-texto { min-width: 320px; height: 96px; }

/* ===== Boas-vindas: abertura do Marte ===== */
.abertura {
  position: fixed; inset: 0; z-index: 100; display: flex; flex-direction: column; align-items: center; justify-content: center;
  padding: env(safe-area-inset-top) 16px env(safe-area-inset-bottom); cursor: pointer;
  background:
    url("../marca/estrelas.svg") 0 0 / 600px 600px,
    radial-gradient(60vmax 50vmax at 50% 42%, rgba(255, 107, 74, .22), transparent 60%),
    linear-gradient(160deg, var(--grafite), var(--espaco) 60%);
  transition: opacity .55s ease, transform .55s ease;
}
.abertura.saindo { opacity: 0; transform: scale(1.04); pointer-events: none; }
.abertura-centro { display: flex; flex-direction: column; align-items: center; }
.abertura-logo {
  width: min(46vw, 230px); height: min(46vw, 230px); border-radius: 22.5%;
  box-shadow: 0 0 0 1px rgba(255, 255, 255, .14), inset 0 1px 0 rgba(255, 255, 255, .3), 0 30px 80px rgba(255, 107, 74, .28), 0 20px 50px rgba(0, 0, 0, .5);
  animation: abertura-sobe .9s cubic-bezier(.2, 1.2, .4, 1) both;
}
.abertura-nome { font-family: var(--fonte-marca); font-size: clamp(30px, 6vw, 46px); letter-spacing: .1em; margin: 34px 0 0 .1em; animation: abertura-texto .7s 1.25s ease-out both; }
.abertura-desc { color: var(--suave); font-size: clamp(17px, 2.4vw, 21px); margin-top: 10px; animation: abertura-texto .7s 1.55s ease-out both; }
.abertura-selo { position: absolute; bottom: max(28px, calc(env(safe-area-inset-bottom) + 16px)); display: flex; align-items: center; gap: 8px; color: var(--suave); font-size: 14px; animation: abertura-texto .7s 1.85s ease-out both; }
.abertura-selo img { width: 22px; height: 22px; }
@keyframes abertura-sobe { from { opacity: 0; transform: translateY(18px) scale(.92); } to { opacity: 1; transform: none; } }
@keyframes abertura-texto { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
}
.es-ferramentas { display: flex; flex-wrap: wrap; gap: 8px; }
.es-ferramentas .btn { min-height: 48px; padding: 10px 14px; }

/* Escolha em pílulas (ex.: "Quem vai estudar?" no cadastro) */
.form .escolha { display: flex; width: 100%; }
.form .escolha label { flex: 1; margin: 0; display: flex; align-items: center; justify-content: center; text-align: center; padding: 10px 12px; border-radius: 999px;
  font-size: 15px; font-weight: 600; color: var(--suave); cursor: pointer; position: relative; }
.form .escolha input { position: absolute; opacity: 0; pointer-events: none; }
.form .escolha label:has(input:checked) { background: var(--acao); color: #fff; box-shadow: inset 0 1px 0 rgba(255, 255, 255, .4), 0 4px 12px rgba(242, 84, 45, .35); }
.versao { text-align: center; color: var(--suave); font-family: var(--fonte-mono); font-size: 12px; margin-top: 6px; opacity: .7; }

/* Termos de Uso e Política de Privacidade */
.documento { max-width: 760px; padding-top: max(24px, env(safe-area-inset-top)); }
.doc-marca { display: inline-flex; align-items: center; gap: 12px; text-decoration: none; color: var(--texto); margin-bottom: 18px; }
.doc-marca img { width: 44px; height: 44px; }
.doc-marca span { font-family: var(--fonte-marca); letter-spacing: .1em; font-size: 20px; }
.documento article { font-size: 17px; line-height: 1.6; padding: 28px 30px; }
.documento h1 { font-size: 28px; margin-bottom: 4px; }
.documento h2 { font-size: 19px; margin: 26px 0 8px; }
.documento ul { padding-left: 20px; }
.documento li + li { margin-top: 6px; }
.doc-data { color: var(--suave); font-family: var(--fonte-mono); font-size: 13px; margin-top: 0; }
.doc-rodape { text-align: center; color: var(--suave); }
.selo-links { text-align: center; font-size: 13px; color: var(--suave); margin-top: 8px; }
.selo-links a { color: var(--suave); }
@media (max-width: 640px) { .documento article { padding: 20px 18px; } }