:root {
  color-scheme: light dark;
  --fundo: #f4f6f8;
  --cartao: #fff;
  --texto: #1c2530;
  --suave: #5b6672;
  --borda: #dfe4ea;
  --cor: #cf6406;
  --cor-escura: #a94f02;
  --erro: #b42318;
  --ok: #067647;
}
@media (prefers-color-scheme: dark) {
  :root { --fundo: #0f141a; --cartao: #171e26; --texto: #e6ebf1; --suave: #9aa6b2; --borda: #2a333d; }
}
* { box-sizing: border-box; }
body { margin: 0; min-height: 100vh; background: var(--fundo); color: var(--texto);
  font: 15px/1.5 -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif; }
a { color: var(--cor); }
h1 { font-size: 1.4rem; margin: 0 0 .75rem; }
h2 { font-size: 1.1rem; margin: 1.5rem 0 .5rem; }
.topo { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: .5rem;
  padding: .75rem 1.25rem; background: var(--cartao); border-bottom: 1px solid var(--borda); }
.topo nav { display: flex; gap: 1rem; align-items: center; flex-wrap: wrap; }
.topo a { text-decoration: none; color: var(--texto); }
.marca { font-weight: 700; color: var(--cor) !important; }
main.cartao { max-width: 420px; margin: 8vh auto 2rem; padding: 2rem; background: var(--cartao);
  border: 1px solid var(--borda); border-radius: 16px; }
main.largo { max-width: 1200px; margin: 1.5rem auto; padding: 0 1.25rem; }
label { display: block; font-weight: 600; margin: .9rem 0 .3rem; }
input[type=text], input[type=email], input[type=password], input[type=search], select, textarea {
  width: 100%; padding: .6rem .7rem; font: inherit; color: inherit; background: var(--fundo);
  border: 1px solid var(--borda); border-radius: 8px; }
input.codigo { font-size: 1.4rem; letter-spacing: .3em; text-align: center; }
button, .botao { display: inline-block; margin-top: 1rem; padding: .65rem 1.1rem; font: inherit; font-weight: 600;
  color: #fff; background: var(--cor); border: 0; border-radius: 8px; cursor: pointer; text-decoration: none; }
button:hover, .botao:hover { background: var(--cor-escura); }
.botao.secundario, button.secundario { background: transparent; color: var(--texto); border: 1px solid var(--borda); }
.botao.perigo, button.perigo { background: var(--erro); }
.largura { width: 100%; text-align: center; }
button.ligacao { background: none; color: var(--texto); padding: 0; margin: 0; font-weight: 400; }
.em-linha { display: inline; margin: 0; }
.ms { display: flex; align-items: center; justify-content: center; gap: .6rem; background: #2f2f2f; }
.ms:hover { background: #111; }
.ou { text-align: center; color: var(--suave); margin: 1.25rem 0 .25rem; }
.suave { color: var(--suave); font-size: .9rem; }
.aviso { padding: .6rem .8rem; border-radius: 8px; }
.aviso.erro { background: #fef3f2; color: var(--erro); }
.aviso.ok { background: #ecfdf3; color: var(--ok); }
@media (prefers-color-scheme: dark) { .aviso.erro { background: #3a1512; } .aviso.ok { background: #0c2b1c; } }
.qr { display: block; margin: 1rem auto; width: 200px; height: 200px; background: #fff; padding: 8px; border-radius: 8px; }
.segredo { font-family: ui-monospace, Consolas, monospace; word-break: break-all; text-align: center; }
.codigos { columns: 2; font-family: ui-monospace, Consolas, monospace; font-size: 1.05rem; padding-left: 1.2rem; }
.apps { display: grid; gap: .75rem; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); margin-top: 1rem; }
.app { display: block; padding: 1rem; background: var(--cartao); border: 1px solid var(--borda); border-radius: 12px;
  text-decoration: none; color: var(--texto); }
.app:hover { border-color: var(--cor); }
.app strong { display: block; }
table { width: 100%; border-collapse: collapse; background: var(--cartao); border: 1px solid var(--borda); }
th, td { padding: .5rem .6rem; border-bottom: 1px solid var(--borda); text-align: left; vertical-align: top; }
th { font-size: .85rem; color: var(--suave); }
td select { min-width: 120px; padding: .3rem; }
.etiqueta { display: inline-block; padding: .05rem .45rem; border-radius: 99px; font-size: .8rem; background: var(--fundo);
  border: 1px solid var(--borda); }
.etiqueta.inativo { color: var(--erro); }
.barra { display: flex; gap: .75rem; align-items: center; flex-wrap: wrap; margin: 1rem 0; }
.barra input[type=search] { max-width: 320px; }
.barra button, .barra .botao { margin-top: 0; }
.grelha-tabela { overflow-x: auto; }