:root{--tinta: #1f2430;--tinta-suave: #5b6472;--papel: #faf9f7;--cartao: #ffffff;--borda: #e6e3dd;--indigo: #4f46e5;--indigo-claro: #eef2ff;--verde: #15803d;--verde-claro: #ecfdf5;--ambar: #b45309;--ambar-claro: #fffbeb;--raio: 14px;--sombra: 0 1px 2px rgb(31 36 48 / 6%), 0 8px 24px rgb(31 36 48 / 6%)}*{box-sizing:border-box}body{margin:0;font-family:system-ui,-apple-system,Segoe UI,sans-serif;background:var(--papel);color:var(--tinta);line-height:1.55;-webkit-font-smoothing:antialiased}.pagina{max-width:720px;margin:0 auto;padding:24px 20px 64px}.pagina--larga{max-width:900px}h1{font-size:1.6rem;margin:0 0 4px;letter-spacing:-.02em}h2{font-size:1.15rem;margin:32px 0 12px;letter-spacing:-.01em}p{margin:0 0 12px}.sub{color:var(--tinta-suave);margin-bottom:24px}.cartao{background:var(--cartao);border:1px solid var(--borda);border-radius:var(--raio);padding:20px;box-shadow:var(--sombra);margin-bottom:16px}label{display:block;font-weight:600;margin:14px 0 6px;font-size:.92rem}input[type=text],input[type=email],input[type=number]{width:100%;padding:12px 14px;border:1px solid var(--borda);border-radius:10px;font:inherit;background:#fff}input:focus-visible,button:focus-visible{outline:3px solid var(--indigo);outline-offset:2px}.consentimento{display:flex;gap:12px;align-items:flex-start;background:var(--indigo-claro);border:1px solid #c7d2fe;border-radius:10px;padding:16px;margin:20px 0}.consentimento input{margin-top:4px;width:20px;height:20px;flex:none}.consentimento span{font-size:.9rem}button{font:inherit;font-weight:600;border-radius:10px;border:1px solid transparent;padding:13px 20px;cursor:pointer;background:var(--indigo);color:#fff;transition:filter .15s}button:hover:not(:disabled){filter:brightness(1.08)}button:disabled{opacity:.45;cursor:not-allowed}button.secundario{background:#fff;border-color:var(--borda);color:var(--tinta)}button.perigo{background:#fff;border-color:#fecaca;color:#b91c1c}button.largo{width:100%}.barra-sessao{display:flex;align-items:center;gap:12px;margin-bottom:20px;font-size:.88rem;color:var(--tinta-suave)}.trilho{flex:1;height:10px;background:var(--borda);border-radius:99px;overflow:hidden}.trilho i{display:block;height:100%;background:var(--indigo);border-radius:99px;transition:width .4s}.etiqueta{display:inline-block;font-size:.75rem;font-weight:700;text-transform:uppercase;letter-spacing:.04em;padding:4px 10px;border-radius:99px;margin-bottom:12px}.etiqueta--revisao{background:var(--ambar-claro);color:var(--ambar)}.etiqueta--aprendizagem{background:var(--indigo-claro);color:var(--indigo)}.etiqueta--desbloqueio{background:var(--verde-claro);color:var(--verde)}.enunciado{font-size:1.25rem;line-height:1.5;margin:8px 0 20px}.texto-base{background:#fdfcfa;border:1px solid var(--borda);border-left:4px solid var(--indigo);border-radius:8px;padding:16px 18px;margin-bottom:20px}.texto-base h3{margin:0 0 8px;font-size:1rem}.texto-base p{margin:0;white-space:pre-wrap}.ilustracao{display:block;max-width:100%;margin:0 auto 20px}.opcoes{display:grid;gap:10px}.opcao{display:flex;gap:12px;align-items:center;text-align:left;background:#fff;color:var(--tinta);border:2px solid var(--borda);border-radius:12px;padding:16px;font-size:1.05rem;font-weight:500}.opcao:hover:not(:disabled){border-color:var(--indigo);filter:none}.opcao b{flex:none;width:32px;height:32px;border-radius:8px;background:var(--papel);display:grid;place-items:center;font-size:.9rem}.opcao--certa{border-color:var(--verde);background:var(--verde-claro)}.opcao--errada{border-color:#fca5a5;background:#fef2f2}.feedback{margin-top:20px;border-radius:var(--raio);padding:18px;border:1px solid}.feedback--acerto{background:var(--verde-claro);border-color:#a7f3d0}.feedback--erro{background:var(--ambar-claro);border-color:#fde68a}.feedback h3{margin:0 0 8px;font-size:1.05rem}.feedback p{margin:0 0 8px;font-size:.95rem}.feedback .medalha{display:block;margin-top:12px;padding:12px;background:#fff;border-radius:10px;font-weight:600;color:var(--verde)}.faltando{margin:10px 0 0;padding-left:18px;font-size:.9rem;color:var(--tinta-suave)}.metricas{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:12px}.metrica{background:var(--cartao);border:1px solid var(--borda);border-radius:var(--raio);padding:16px}.metrica b{display:block;font-size:1.9rem;font-weight:700;letter-spacing:-.02em}.metrica span{font-size:.85rem;color:var(--tinta-suave)}.unidade{padding:14px 0;border-bottom:1px solid var(--borda)}.unidade:last-child{border-bottom:0}.unidade-topo{display:flex;justify-content:space-between;align-items:baseline;gap:12px}.unidade-nome{font-weight:600}.unidade-pontos{font-variant-numeric:tabular-nums;font-weight:700}.barra{height:8px;background:var(--borda);border-radius:99px;margin-top:8px;overflow:hidden}.barra i{display:block;height:100%;border-radius:99px}.faixa{font-size:.82rem;color:var(--tinta-suave)}.aviso{background:var(--ambar-claro);border:1px solid #fde68a;border-radius:10px;padding:14px;font-size:.9rem;margin-bottom:16px}.rodape-lgpd{margin-top:40px;font-size:.85rem;color:var(--tinta-suave)}.rodape-lgpd .botoes{display:flex;gap:10px;margin-top:10px;flex-wrap:wrap}.centro{text-align:center;padding:48px 0}.centro .grande{font-size:3rem;margin-bottom:8px}.erro{color:#b91c1c;font-size:.9rem}.offline{background:var(--ambar);color:#fff;text-align:center;padding:6px;font-size:.85rem}