:root {
  --fundo: #f5f5f7;
  --cartao: #ffffff;
  --texto: #1d1d1f;
  --suave: #6e6e73;
  --linha: #d2d2d7;
  --destaque: #0071e3;
  --ok: #248a3d;
  --alerta: #b25000;
  --erro: #d70015;
  --raio: 12px;
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Helvetica Neue", Arial, sans-serif;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root { --fundo: #000000; --cartao: #1c1c1e; --texto: #f5f5f7; --suave: #98989d; --linha: #38383a; --destaque: #0a84ff; --ok: #30d158; --alerta: #ff9f0a; --erro: #ff453a; }
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
body { margin: 0; background: var(--fundo); color: var(--texto); font-size: 15px; line-height: 1.45; }
h1 { font-size: 24px; margin: 0 0 4px; letter-spacing: -0.02em; }
h2 { font-size: 17px; margin: 0 0 12px; }
.topo { display: flex; align-items: center; justify-content: space-between; padding: 14px 20px; border-bottom: 1px solid var(--linha); background: var(--cartao); position: sticky; top: 0; z-index: 2; }
.marca strong { font-size: 17px; letter-spacing: -0.01em; }
.marca span { color: var(--suave); font-size: 13px; margin-left: 8px; }
.grade { display: grid; grid-template-columns: 300px 1fr; min-height: calc(100vh - 54px); }
.lateral { border-right: 1px solid var(--linha); padding: 16px; background: var(--cartao); }
.acoes { display: flex; gap: 8px; margin-bottom: 16px; }
.acoes button { flex: 1; }
.conteudo { padding: 24px; max-width: 920px; }
.cartao { background: var(--cartao); border: 1px solid var(--linha); border-radius: var(--raio); padding: 20px; margin-bottom: 16px; }
.estreito { max-width: 420px; margin: 64px auto; }
.conta-titulo { font-size: 12px; text-transform: uppercase; letter-spacing: 0.06em; color: var(--suave); margin: 16px 0 6px; }
.item { display: flex; align-items: center; gap: 10px; width: 100%; text-align: left; padding: 10px; border-radius: 10px; background: none; color: var(--texto); border: 0; font-weight: 400; }
.item:hover, .item.ativo { background: var(--fundo); }
.item small { display: block; color: var(--suave); font-size: 12px; }
.ponto { width: 9px; height: 9px; border-radius: 50%; background: var(--linha); flex: none; }
.ponto.on { background: var(--ok); }
label { display: block; font-size: 13px; color: var(--suave); margin-bottom: 12px; }
input, select, textarea { display: block; width: 100%; margin-top: 4px; padding: 9px 11px; font: inherit; color: var(--texto); background: var(--fundo); border: 1px solid var(--linha); border-radius: 8px; }
input:focus, select:focus, textarea:focus { outline: 2px solid var(--destaque); outline-offset: -1px; }
.checar { display: flex; align-items: center; gap: 8px; color: var(--texto); font-size: 14px; }
.checar input { width: auto; margin: 0; }
button { font: inherit; font-weight: 600; padding: 9px 16px; border-radius: 980px; border: 0; background: var(--destaque); color: #fff; cursor: pointer; }
button:disabled { opacity: 0.5; cursor: default; }
button.secundario { background: var(--fundo); color: var(--destaque); border: 1px solid var(--linha); }
button.discreto { background: none; color: var(--destaque); padding: 6px 10px; }
button.perigo { background: var(--erro); }
.linha-botoes { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 8px; }
.duas { display: grid; grid-template-columns: 1fr 1fr; gap: 0 16px; }
.etiqueta { display: inline-block; font-size: 12px; font-weight: 600; padding: 2px 10px; border-radius: 980px; background: var(--fundo); border: 1px solid var(--linha); color: var(--suave); }
.etiqueta.on { color: var(--ok); border-color: var(--ok); }
.nota { color: var(--suave); font-size: 13px; margin: 4px 0 12px; }
.erro { color: var(--erro); font-size: 13px; min-height: 1em; }
.aviso { color: var(--alerta); font-size: 13px; }
code, .codigo { font-family: ui-monospace, "SF Mono", Menlo, monospace; font-size: 13px; }
.codigo { display: block; background: var(--fundo); border: 1px solid var(--linha); border-radius: 8px; padding: 10px 12px; word-break: break-all; margin: 6px 0 10px; }
.segredo { display: flex; gap: 8px; align-items: stretch; }
.segredo .codigo { flex: 1; margin: 0; }
.segredo button { align-self: center; }
.qr { display: flex; gap: 24px; align-items: flex-start; flex-wrap: wrap; }
.qr img { width: 260px; height: 260px; border-radius: 8px; background: #fff; padding: 8px; }
.cabecalho { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; margin-bottom: 16px; }
.falhas li { font-size: 13px; margin-bottom: 6px; }
dialog { border: 1px solid var(--linha); border-radius: var(--raio); background: var(--cartao); color: var(--texto); padding: 24px; width: min(520px, calc(100vw - 32px)); }
dialog::backdrop { background: rgba(0, 0, 0, 0.35); }
.vazio { color: var(--suave); text-align: center; padding: 48px 16px; }
@media (max-width: 760px) {
  .grade { grid-template-columns: 1fr; }
  .lateral { border-right: 0; border-bottom: 1px solid var(--linha); }
  .conteudo { padding: 16px; }
  .duas { grid-template-columns: 1fr; }
}