:root {
  color-scheme: light;
  --fora: #E9E8E4;
  --fundo: #F4F3F0;
  --superficie: #FFFFFF;
  --tinta: #1C1C1A;
  --tinta-2: #5C5C57;
  --tinta-3: #8F8F89;
  --linha: #E5E4DF;
  --destaque: #3E5C52;
  --destaque-escuro: #2F4840;
  --destaque-suave: #E8EEEA;
  --ok: #3E7A5A;
  --sombra: 0 1px 2px rgba(28, 28, 26, .05), 0 6px 18px rgba(28, 28, 26, .06);
  --raio: 16px;
  --largura: 480px;
  --nav: 64px;
  --fonte: "Figtree", "Segoe UI", system-ui, -apple-system, sans-serif;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--fora); color: var(--tinta);
  font-family: var(--fonte); font-size: 15px; line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3, p { margin: 0; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; }
img { max-width: 100%; display: block; }
:focus-visible { outline: 2px solid var(--destaque); outline-offset: 2px; border-radius: 6px; }

.app {
  max-width: var(--largura); min-height: 100vh; margin: 0 auto;
  background: var(--fundo); position: relative;
  padding-bottom: calc(var(--nav) + 24px + env(safe-area-inset-bottom));
}
.app--sem-nav { padding-bottom: 32px; }
.pagina { padding-inline: 18px; }

/* ---------- topo ---------- */
.topo {
  position: sticky; top: 0; z-index: 20;
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: calc(12px + env(safe-area-inset-top)) 18px 12px;
  background: rgba(244, 243, 240, .92); backdrop-filter: blur(10px);
}
.marca { display: flex; align-items: center; gap: 10px; min-width: 0; }
.marca img { width: 34px; height: 34px; border-radius: 10px; }
.marca span { font-weight: 700; font-size: 15px; letter-spacing: -.01em; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.icone-botao {
  width: 40px; height: 40px; border-radius: 50%; border: 1px solid var(--linha);
  background: var(--superficie); display: grid; place-items: center; cursor: pointer; flex: none;
}
.icone-botao svg, .nav svg, .voltar svg, .linha-aula svg, .arquivo svg {
  width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 1.8;
  stroke-linecap: round; stroke-linejoin: round;
}

.capa-inicio {
  display: block; width: calc(100% - 36px); margin: 4px 18px 0; padding: 0; border: 0; cursor: pointer;
  border-radius: var(--raio); overflow: hidden; background: var(--linha); box-shadow: var(--sombra);
}
.capa-inicio img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; }

/* ---------- banner (não usado: a tela inicial usa capa fixa) ---------- */
.banner { position: relative; margin: 4px 18px 0; }
.banner-trilho {
  display: flex; overflow-x: auto; scroll-snap-type: x mandatory; border-radius: var(--raio);
  scrollbar-width: none; box-shadow: var(--sombra);
}
.banner-trilho::-webkit-scrollbar { display: none; }
.slide {
  flex: 0 0 100%; scroll-snap-align: start; position: relative; aspect-ratio: 16 / 9;
  background-size: cover; background-position: center; color: #fff; cursor: pointer; border: 0; padding: 0; text-align: left;
}
.slide::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(90deg, rgba(20, 20, 18, .78) 0%, rgba(20, 20, 18, .45) 55%, rgba(20, 20, 18, .1) 100%);
}
.slide-texto {
  position: absolute; inset: 0; z-index: 1; display: flex; flex-direction: column; justify-content: center;
  gap: 6px; padding: 18px 20px 26px; max-width: 72%;
}
.slide-tag {
  align-self: flex-start; font-size: 11px; font-weight: 600; letter-spacing: .06em; text-transform: uppercase;
  background: rgba(255, 255, 255, .18); border: 1px solid rgba(255, 255, 255, .3); padding: 3px 9px; border-radius: 999px;
}
.slide-titulo { font-size: 19px; font-weight: 700; line-height: 1.2; text-wrap: balance; }
.slide-sub { font-size: 13px; opacity: .88; }
.banner-seta {
  position: absolute; top: 50%; transform: translateY(-50%); z-index: 2;
  width: 34px; height: 34px; border-radius: 50%; border: 0; cursor: pointer;
  background: rgba(255, 255, 255, .85); display: grid; place-items: center; color: var(--tinta);
}
.banner-seta svg { width: 16px; height: 16px; fill: none; stroke: currentColor; stroke-width: 2.2; stroke-linecap: round; stroke-linejoin: round; }
.banner-seta--esq { left: 8px; }
.banner-seta--dir { right: 8px; }
.banner-pontos { display: flex; justify-content: center; gap: 6px; margin-top: 10px; }
.banner-pontos button { width: 7px; height: 7px; padding: 0; border: 0; border-radius: 999px; background: #CFCEC9; cursor: pointer; transition: width .2s, background-color .2s; }
.banner-pontos button[aria-current="true"] { width: 20px; background: var(--destaque); }

/* ---------- grade de conteúdos ---------- */
.secao-titulo { display: flex; align-items: baseline; justify-content: space-between; margin: 26px 18px 12px; }
.secao-titulo h2 { font-size: 17px; font-weight: 700; letter-spacing: -.01em; }
.secao-titulo span { font-size: 13px; color: var(--tinta-3); }
.grade { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; padding-inline: 18px; }
.card { display: flex; flex-direction: column; gap: 8px; cursor: pointer; background: none; border: 0; padding: 0; text-align: center; }
.card-img {
  position: relative; display: block; aspect-ratio: 1; border-radius: var(--raio); overflow: hidden;
  background: var(--linha); box-shadow: var(--sombra);
}
.card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .3s; }
.card:hover .card-img img { transform: scale(1.03); }
.card-nome { font-size: 13.5px; font-weight: 500; color: var(--tinta-2); line-height: 1.3; padding-inline: 4px; }
.cadeado {
  position: absolute; inset: 0; display: none; place-items: center;
  background: rgba(24, 24, 22, .42);
}
.cadeado span {
  width: 46px; height: 46px; border-radius: 50%; display: grid; place-items: center;
  background: rgba(255, 255, 255, .92); color: var(--tinta);
}
.cadeado svg { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 1.9; stroke-linecap: round; stroke-linejoin: round; }
.card--bloqueado .cadeado { display: grid; }
.card--bloqueado .card-img img { filter: grayscale(.35); }
.selo {
  position: absolute; left: 8px; top: 8px; z-index: 1; font-size: 10.5px; font-weight: 700; letter-spacing: .04em;
  text-transform: uppercase; background: rgba(255, 255, 255, .92); color: var(--destaque-escuro);
  padding: 3px 8px; border-radius: 999px;
}
.progresso-mini { display: block; height: 4px; border-radius: 999px; background: var(--linha); overflow: hidden; margin: 0 10px; }
.progresso-mini i, .progresso i { display: block; height: 100%; background: var(--destaque); border-radius: inherit; }

/* ---------- navegação inferior ---------- */
.nav {
  position: fixed; bottom: 0; left: 50%; transform: translateX(-50%); z-index: 30;
  width: min(100%, var(--largura)); height: calc(var(--nav) + env(safe-area-inset-bottom));
  padding-bottom: env(safe-area-inset-bottom);
  display: grid; grid-template-columns: repeat(4, 1fr);
  background: rgba(255, 255, 255, .96); backdrop-filter: blur(10px); border-top: 1px solid var(--linha);
}
.nav a { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 3px; font-size: 11.5px; color: var(--tinta-3); }
.nav a[aria-current="page"] { color: var(--destaque); font-weight: 600; }
.whats {
  position: fixed; z-index: 25; bottom: calc(var(--nav) + 16px + env(safe-area-inset-bottom));
  right: max(16px, calc(50% - var(--largura) / 2 + 16px));
  width: 50px; height: 50px; border-radius: 50%; background: #25D366; color: #fff;
  display: grid; place-items: center; box-shadow: 0 6px 18px rgba(0, 0, 0, .18);
}
.whats svg { width: 26px; height: 26px; fill: currentColor; }

/* ---------- curso ---------- */
.voltar { display: inline-flex; align-items: center; gap: 6px; font-size: 14px; font-weight: 600; color: var(--tinta-2); padding: 6px 0; background: none; border: 0; cursor: pointer; }
.curso-topo { background: var(--superficie); border-radius: var(--raio); overflow: hidden; box-shadow: var(--sombra); }
.curso-topo img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; }
.curso-topo .corpo { padding: 16px 16px 18px; display: grid; gap: 10px; }
.titulo-pagina { font-size: 22px; font-weight: 700; letter-spacing: -.015em; line-height: 1.2; }
.meta { font-size: 13px; color: var(--tinta-3); }
.progresso { height: 6px; border-radius: 999px; background: var(--linha); overflow: hidden; }
.progresso-texto { display: flex; justify-content: space-between; font-size: 12.5px; color: var(--tinta-2); }
.botao {
  display: flex; align-items: center; justify-content: center; gap: 8px; width: 100%;
  min-height: 48px; padding: 12px 16px; border-radius: 12px; border: 0; cursor: pointer;
  background: var(--destaque); color: #fff; font-weight: 600; font-size: 15px; text-align: center;
}
.botao:hover { background: var(--destaque-escuro); }
.botao--leve { background: var(--superficie); color: var(--tinta); border: 1px solid var(--linha); }
.botao--leve:hover { background: #FAFAF8; }
.botao--ok { background: var(--destaque-suave); color: var(--destaque-escuro); }
.botao--ok:hover { background: #DCE6E0; }
.botao small { display: block; font-weight: 400; font-size: 12px; opacity: .85; }
.botao--coluna { flex-direction: column; gap: 1px; }
.botao svg { width: 18px; height: 18px; flex: none; stroke-width: 2.4; }

.modulos { display: grid; gap: 12px; margin-top: 22px; }
.modulo { background: var(--superficie); border-radius: var(--raio); box-shadow: var(--sombra); overflow: hidden; }
.modulo summary {
  list-style: none; cursor: pointer; display: grid; grid-template-columns: 76px 1fr 20px; gap: 12px; align-items: center; padding: 12px;
}
.modulo summary::-webkit-details-marker { display: none; }
.modulo summary img { width: 76px; height: 54px; border-radius: 10px; object-fit: cover; }
.modulo-num { font-size: 11.5px; font-weight: 600; letter-spacing: .05em; text-transform: uppercase; color: var(--tinta-3); }
.modulo-titulo { font-size: 15px; font-weight: 600; line-height: 1.25; }
.modulo-meta { font-size: 12.5px; color: var(--tinta-3); margin-top: 2px; }
.seta { width: 20px; height: 20px; fill: none; stroke: var(--tinta-3); stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; transition: transform .2s; }
.modulo[open] .seta { transform: rotate(180deg); }
.modulo-desc { font-size: 13px; color: var(--tinta-2); padding: 0 14px 10px; }
.lista-aulas { list-style: none; margin: 0; padding: 0 6px 8px; }
.linha-aula {
  display: grid; grid-template-columns: 26px 1fr auto; gap: 10px; align-items: center;
  padding: 10px 8px; border-radius: 10px; border-top: 1px solid var(--linha);
}
.lista-aulas li:first-child .linha-aula { border-top: 0; }
.linha-aula:hover { background: #F7F7F4; }
.linha-aula--atual { background: var(--destaque-suave); }
.check {
  width: 22px; height: 22px; border-radius: 50%; border: 1.6px solid #C9C8C2; display: grid; place-items: center; color: #fff;
}
.check svg { width: 13px; height: 13px; stroke-width: 2.6; }
.check--ok { background: var(--ok); border-color: var(--ok); }
.aula-nome { font-size: 14px; line-height: 1.3; }
.aula-nome small { display: block; font-size: 11.5px; color: var(--tinta-3); }
.aula-dur { font-size: 12px; color: var(--tinta-3); font-variant-numeric: tabular-nums; }

/* ---------- aula ---------- */
.player { background: #111; aspect-ratio: 16 / 9; width: 100%; border-radius: 0; }
.player video { width: 100%; height: 100%; display: block; background: #111; }
.aula-info { display: grid; gap: 6px; padding: 16px 18px 4px; }
.aula-acoes { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; padding: 14px 18px 0; }
.aula-acoes .botao:first-child { grid-column: 1 / -1; }
.bloco { background: var(--superficie); border-radius: var(--raio); box-shadow: var(--sombra); margin: 20px 18px 0; overflow: hidden; }
.bloco h3 { font-size: 14px; font-weight: 700; padding: 14px 14px 6px; }

.player-acoes { display: flex; gap: 8px; padding: 10px 18px 0; }
.player-acoes button {
  flex: 1; min-height: 42px; border-radius: 10px; border: 1px solid var(--linha); background: var(--superficie);
  font-size: 13.5px; font-weight: 600; color: var(--tinta-2); cursor: pointer;
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
}
.player-acoes button:hover { background: #FAFAF8; }
.player-acoes svg { width: 15px; height: 15px; fill: none; stroke: currentColor; stroke-width: 2.4; stroke-linecap: round; stroke-linejoin: round; }

/* ---------- materiais ---------- */
.item-topo { display: grid; grid-template-columns: 112px 1fr; gap: 14px; align-items: center; }
.item-topo img { width: 112px; height: 112px; border-radius: 14px; object-fit: cover; box-shadow: var(--sombra); }
.item-desc { font-size: 14.5px; color: var(--tinta-2); margin-top: 16px; }
.arquivos { display: grid; gap: 10px; margin-top: 18px; }
.arquivo {
  display: grid; grid-template-columns: 42px 1fr auto; gap: 12px; align-items: center;
  background: var(--superficie); border-radius: 14px; padding: 12px; box-shadow: var(--sombra);
}
.arquivo-icone { width: 42px; height: 42px; border-radius: 10px; background: var(--destaque-suave); color: var(--destaque); display: grid; place-items: center; }
.arquivo strong { display: block; font-size: 14px; font-weight: 600; line-height: 1.3; }
.arquivo small { font-size: 12px; color: var(--tinta-3); }
.pilula { font-size: 12.5px; font-weight: 600; color: var(--destaque); background: var(--destaque-suave); padding: 6px 12px; border-radius: 999px; white-space: nowrap; }
.pilula--bloq { color: var(--tinta-2); background: #EFEEEA; }
.lista { display: grid; gap: 10px; }
.linha-item {
  display: grid; grid-template-columns: 56px 1fr auto; gap: 12px; align-items: center; width: 100%;
  background: var(--superficie); border: 0; border-radius: 14px; padding: 10px; box-shadow: var(--sombra); cursor: pointer; text-align: left;
}
.linha-item img { width: 56px; height: 56px; border-radius: 10px; object-fit: cover; }
.linha-item strong { display: block; font-size: 14.5px; font-weight: 600; }
.linha-item small { font-size: 12.5px; color: var(--tinta-3); }

.recado {
  margin-top: 14px; font-size: 13.5px; line-height: 1.45; color: var(--tinta-2);
  background: var(--destaque-suave); border-radius: 12px; padding: 12px 14px;
}
.secao-simples { font-size: 16px; font-weight: 700; margin: 22px 0 10px; }
.tutorial details {
  background: var(--superficie); border-radius: 14px; box-shadow: var(--sombra);
  margin-bottom: 10px; overflow: hidden;
}
.tutorial summary {
  list-style: none; cursor: pointer; display: flex; align-items: center; justify-content: space-between;
  gap: 10px; padding: 13px 14px; font-size: 14.5px; font-weight: 600;
}
.tutorial summary::-webkit-details-marker { display: none; }
.tutorial summary::after { content: "+"; font-size: 18px; color: var(--destaque); transition: transform .2s; }
.tutorial details[open] summary::after { transform: rotate(45deg); }
.tutorial ol { margin: 0; padding: 0 16px 14px 34px; }
.tutorial li { font-size: 14px; line-height: 1.45; color: var(--tinta-2); margin-bottom: 7px; }

/* ---------- perfil ---------- */
.perfil-topo { display: grid; justify-items: center; gap: 8px; text-align: center; padding: 18px 0 8px; }
.avatar { width: 72px; height: 72px; border-radius: 50%; background: var(--destaque); color: #fff; display: grid; place-items: center; font-size: 26px; font-weight: 700; }
.etiquetas { display: flex; flex-wrap: wrap; justify-content: center; gap: 6px; }
.dados { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-top: 16px; }
.dado { background: var(--superficie); border-radius: 14px; padding: 12px 8px; text-align: center; box-shadow: var(--sombra); }
.dado strong { display: block; font-size: 20px; font-variant-numeric: tabular-nums; }
.dado small { font-size: 11.5px; color: var(--tinta-3); }
.dica { font-size: 13.5px; color: var(--tinta-2); padding: 0 14px 14px; }
.dica ol { margin: 6px 0 0; padding-left: 18px; }
.pilha { display: grid; gap: 10px; margin-top: 18px; }

/* ---------- entrar ---------- */
.entrar { min-height: 100vh; display: grid; align-content: center; gap: 22px; padding: 32px 22px; }
.entrar-topo { display: grid; justify-items: center; gap: 10px; text-align: center; }
.entrar-topo img { width: 64px; height: 64px; border-radius: 18px; box-shadow: var(--sombra); }
.form { display: grid; gap: 10px; }
.form label { font-size: 13px; font-weight: 600; color: var(--tinta-2); }
.form input {
  width: 100%; min-height: 50px; padding: 12px 14px; border-radius: 12px; border: 1px solid var(--linha);
  background: var(--superficie); font: inherit; font-size: 16px; color: var(--tinta);
}
.form input:focus { outline: 2px solid var(--destaque); outline-offset: 0; border-color: transparent; }
.demo { background: var(--superficie); border: 1px dashed #CBCAC4; border-radius: var(--raio); padding: 14px; display: grid; gap: 10px; }
.demo p { font-size: 12.5px; color: var(--tinta-2); }
.opcoes { display: grid; gap: 8px; }
.opcao { display: flex; align-items: center; gap: 10px; padding: 10px 12px; border-radius: 10px; border: 1px solid var(--linha); cursor: pointer; font-size: 14px; }
.opcao input { accent-color: var(--destaque); width: 18px; height: 18px; }
.opcao:has(input:checked) { border-color: var(--destaque); background: var(--destaque-suave); }
.link-simples { background: none; border: 0; padding: 6px; font-size: 13.5px; font-weight: 600; color: var(--destaque); text-decoration: underline; cursor: pointer; justify-self: center; }
.aviso { font-size: 13px; color: #8A4B2A; background: #FBEFE7; border-radius: 10px; padding: 10px 12px; }

/* ---------- toast e modal ---------- */
.toast {
  position: fixed; left: 50%; transform: translateX(-50%); z-index: 60;
  bottom: calc(var(--nav) + 18px + env(safe-area-inset-bottom));
  background: var(--tinta); color: #fff; font-size: 13.5px; padding: 10px 16px; border-radius: 999px;
  max-width: calc(100% - 32px); box-shadow: 0 6px 18px rgba(0, 0, 0, .2);
}
.modal { position: fixed; inset: 0; z-index: 70; display: grid; place-items: center; padding: 24px; background: rgba(20, 20, 18, .45); }
.modal-caixa { width: min(100%, 340px); background: var(--superficie); border-radius: 20px; padding: 24px 20px 18px; display: grid; gap: 10px; justify-items: center; text-align: center; }
.modal-icone { width: 52px; height: 52px; border-radius: 50%; background: var(--destaque-suave); color: var(--destaque); display: grid; place-items: center; }
.modal-icone svg { width: 24px; height: 24px; fill: none; stroke: currentColor; stroke-width: 1.9; stroke-linecap: round; stroke-linejoin: round; }
.modal h2 { font-size: 17px; }
.modal p { font-size: 14px; color: var(--tinta-2); }
.modal-barra { width: 100%; height: 4px; border-radius: 999px; background: var(--linha); overflow: hidden; }
.modal-barra span { display: block; height: 100%; width: 0; background: var(--destaque); animation: carrega 1.4s linear forwards; }
@keyframes carrega { to { width: 100%; } }

.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

@media (min-width: 520px) {
  .app { box-shadow: 0 0 0 1px var(--linha); }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; animation-duration: .01ms !important; }
  .banner-trilho { scroll-behavior: auto; }
}