:root {
  --fundo: #F4F3EF; --superficie: #FFFFFF; --tinta: #15171A; --tinta-2: #565B63; --tinta-3: #8D9199;
  --linha: #E5E2DB; --linha-2: #EEECE6; --acento: #1D5C47; --perigo: #B4392E; --alerta-fundo: #FBF2E2;
  --serif: "Instrument Serif", Georgia, serif; --sans: "Inter", system-ui, sans-serif;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body { font: 400 15px/1.5 var(--sans); color: var(--tinta); background: var(--fundo); -webkit-font-smoothing: antialiased; min-height: 100vh; }
button, input { font: inherit; color: inherit; }
.tela { min-height: 100vh; display: grid; place-items: center; padding: 24px 16px; }
.caixa { width: min(440px, 100%); background: var(--superficie); border: 1px solid var(--linha); border-radius: 20px; padding: 32px;
  box-shadow: 0 1px 2px rgba(20,22,26,.04), 0 12px 40px rgba(20,22,26,.07); }
.caixa.larga { width: min(640px, 100%); }
.marca { font-size: 11px; letter-spacing: .18em; text-transform: uppercase; color: var(--tinta-3); margin-bottom: 18px; }
h1 { font: 400 36px/1.08 var(--serif); margin-bottom: 8px; }
h2 { font-size: 15px; font-weight: 650; margin: 22px 0 10px; }
p.desc { color: var(--tinta-2); font-size: 14px; margin-bottom: 22px; }
.campo { margin-bottom: 14px; }
.campo label { display: block; font-size: 12.5px; font-weight: 550; color: var(--tinta-2); margin-bottom: 6px; }
.campo input { width: 100%; height: 46px; border: 1px solid var(--linha); border-radius: 11px; padding: 0 14px; background: #fff; outline: none; font-size: 16px; }
.campo input:focus { border-color: #9EA3AA; box-shadow: 0 0 0 3px rgba(21,23,26,.06); }
.campo .ajuda { margin-top: 5px; font-size: 12px; color: var(--tinta-3); }
.codigo input { letter-spacing: .4em; text-align: center; font-size: 22px; font-variant-numeric: tabular-nums; }
.botao { display: inline-flex; align-items: center; justify-content: center; gap: 8px; height: 48px; padding: 0 18px; width: 100%;
  border-radius: 12px; border: 1px solid var(--tinta); background: var(--tinta); color: #fff; font-weight: 600; cursor: pointer; }
.botao.secundario { background: #fff; color: var(--tinta); border-color: var(--linha); }
.botao.pequeno { height: 34px; width: auto; font-size: 13px; border-radius: 9px; }
.botao[disabled] { opacity: .5; cursor: wait; }
.erro { padding: 11px 14px; border-radius: 10px; background: #FBE9E7; color: #7E2A23; font-size: 13.5px; margin-bottom: 14px; }
.info { padding: 11px 14px; border-radius: 10px; background: var(--linha-2); color: var(--tinta-2); font-size: 13.5px; margin-bottom: 14px; }
.aviso { padding: 11px 14px; border-radius: 10px; background: var(--alerta-fundo); color: #6E430A; font-size: 13.5px; margin-bottom: 14px; }
.oculto { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }
.qr { display: grid; grid-template-columns: 180px 1fr; gap: 18px; align-items: center; margin: 12px 0 16px; }
.qr img { width: 180px; height: 180px; border: 1px solid var(--linha); border-radius: 12px; }
.segredo { font-family: ui-monospace, monospace; font-size: 13px; word-break: break-all; background: var(--linha-2); padding: 8px 10px; border-radius: 8px; }
.codigos { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; font-family: ui-monospace, monospace; font-size: 15px; background: var(--linha-2); padding: 14px; border-radius: 12px; margin: 10px 0 16px; }
.lista { list-style: none; }
.lista li { display: flex; justify-content: space-between; gap: 12px; align-items: center; padding: 11px 0; border-bottom: 1px solid var(--linha-2); font-size: 13.5px; }
.lista .sub { color: var(--tinta-3); font-size: 12px; }
.linha-botoes { display: flex; gap: 10px; margin-top: 10px; flex-wrap: wrap; }
.linha-botoes .botao { width: auto; flex: 1; }
.rodape { margin-top: 18px; text-align: center; font-size: 12.5px; color: var(--tinta-3); }
.rodape a { color: var(--tinta-2); }
@media (max-width: 520px) { .caixa { padding: 24px 20px; } .qr { grid-template-columns: 1fr; } }