:root {
  --fundo: #f4f6f9;
  --cartao: #ffffff;
  --texto: #1d2733;
  --suave: #5b6878;
  --borda: #d7dde5;
  --primaria: #2f4fa3;
  --primaria-escura: #243f85;
  --erro: #b3261e;
  --erro-fundo: #fdecea;
  --aviso-fundo: #fff6dc;
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
body { margin: 0; background: var(--fundo); color: var(--texto); font: 15px/1.45 system-ui, "Segoe UI", Arial, sans-serif; }

.topo { background: var(--primaria); color: #fff; display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 8px; padding: 10px 24px; position: sticky; top: 0; z-index: 5; }
.marca { font-weight: 700; font-size: 17px; }
.abas { display: flex; gap: 4px; }
.abas button { background: transparent; color: #dfe6f7; border: 0; padding: 8px 14px; border-radius: 6px; font: inherit; cursor: pointer; }
.abas button:hover { background: rgba(255,255,255,.12); }
.abas button.ativa { background: #fff; color: var(--primaria); font-weight: 600; }

main { max-width: 980px; margin: 0 auto; padding: 20px 16px 60px; }
.cartao { background: var(--cartao); border: 1px solid var(--borda); border-radius: 10px; padding: 18px 20px; margin-bottom: 16px; }
.cartao h2 { font-size: 16px; margin: 0 0 14px; }
.cartao h3 { font-size: 14px; margin: 0; }

.grade { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 12px 16px; margin-bottom: 8px; }
.larga { grid-column: 1 / -1; }
label { display: flex; flex-direction: column; gap: 4px; font-size: 13px; color: var(--suave); font-weight: 500; }
.opc { font-weight: 400; }
input, select, textarea { font: inherit; color: var(--texto); padding: 8px 10px; border: 1px solid var(--borda); border-radius: 6px; background: #fff; width: 100%; }
input:focus, select:focus, textarea:focus { outline: 2px solid #b9c7ea; border-color: var(--primaria); }
input.invalido, select.invalido { border-color: var(--erro); background: var(--erro-fundo); }
small { color: var(--suave); font-weight: 400; min-height: 1em; }
.dupla { display: flex; gap: 6px; }
.dupla select { width: 70px; flex: none; }

fieldset { border: 1px solid var(--borda); border-radius: 8px; padding: 8px 12px 10px; margin: 0; }
legend { font-size: 13px; color: var(--suave); font-weight: 600; padding: 0 4px; }
label.radio { flex-direction: row; align-items: center; gap: 8px; color: var(--texto); font-weight: 400; font-size: 14px; padding: 3px 0; }
label.radio input { width: auto; }
label.sub { margin-top: 6px; }

.parte { border: 1px solid var(--borda); border-radius: 8px; padding: 12px 14px; margin-bottom: 12px; background: #fafbfd; }
.parte-topo { display: flex; justify-content: space-between; align-items: center; margin-bottom: 10px; }

button, .botao { font: inherit; border-radius: 6px; padding: 9px 16px; cursor: pointer; border: 1px solid transparent; display: inline-flex; align-items: center; }
.primario { background: var(--primaria); color: #fff; font-weight: 600; }
.primario:hover { background: var(--primaria-escura); }
.primario:disabled { opacity: .6; cursor: wait; }
.secundario { background: #fff; color: var(--primaria); border-color: #b9c7ea; }
.secundario:hover { background: #eef2fb; }
.link-remover { background: none; border: 0; color: var(--erro); padding: 4px 6px; font-size: 13px; }
.botoes { display: flex; gap: 10px; flex-wrap: wrap; }

.dica { font-size: 13px; color: var(--suave); margin: 10px 0 0; }
.aviso { background: var(--aviso-fundo); border: 1px solid #efd58a; border-radius: 8px; padding: 12px 16px; margin-bottom: 16px; }
.erros { background: var(--erro-fundo); border: 1px solid #f1b8b3; color: var(--erro); border-radius: 8px; padding: 12px 16px; margin-bottom: 14px; }
.erros ul { margin: 6px 0 0; padding-left: 20px; }

.tabela { width: 100%; border-collapse: collapse; font-size: 14px; }
.tabela th { text-align: left; color: var(--suave); font-weight: 600; font-size: 12px; border-bottom: 1px solid var(--borda); padding: 6px 8px; }
.tabela td { border-bottom: 1px solid #eef1f5; padding: 8px; }
.tabela td:last-child { text-align: right; white-space: nowrap; }
.tabela button { padding: 4px 10px; font-size: 13px; }

.logo-previa img { max-height: 60px; max-width: 200px; border: 1px solid var(--borda); border-radius: 6px; padding: 4px; background: #fff; }

.toast { position: fixed; bottom: 20px; left: 50%; transform: translateX(-50%); background: #1d2733; color: #fff; padding: 10px 18px; border-radius: 8px; font-size: 14px; z-index: 10; }

@media (max-width: 600px) {
  .topo { padding: 10px 16px; }
  .tabela th:nth-child(3), .tabela td:nth-child(3), .tabela th:nth-child(4), .tabela td:nth-child(4) { display: none; }
}