:root {
  --fundo: #f4f6f8;
  --cartao: #ffffff;
  --texto: #14202b;
  --muted: #5d6b78;
  --borda: #dde3e9;
  --primaria: #0f766e;
  --primaria-escura: #0b5d57;
  --primaria-clara: #e6f4f2;
  --erro: #b42318;
  --aviso-fundo: #fff7e6;
  --aviso-borda: #f5c469;
  --raio: 12px;
  --sombra: 0 1px 2px rgba(20, 32, 43, .06), 0 4px 16px rgba(20, 32, 43, .05);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  color: var(--texto);
  background: var(--fundo);
}
* { box-sizing: border-box; }
body { margin: 0; min-height: 100vh; }
[hidden] { display: none !important; }
h2 { font-size: 1.15rem; margin: 0 0 1rem; }
h3 { font-size: .85rem; margin: 0 0 .75rem; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); }
code, .mono { font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace; }
.muted { color: var(--muted); }
.pequeno { font-size: .82rem; line-height: 1.45; }
.nowrap { white-space: nowrap; }

.tela.centro { min-height: 100vh; display: grid; place-items: center; padding: 1.5rem; gap: .75rem; align-content: center; }
.spinner { width: 32px; height: 32px; border: 3px solid var(--borda); border-top-color: var(--primaria); border-radius: 50%; animation: gira .8s linear infinite; }
@keyframes gira { to { transform: rotate(360deg); } }

.cartao { background: var(--cartao); border: 1px solid var(--borda); border-radius: var(--raio); box-shadow: var(--sombra); padding: 1.4rem; }
.cartao.login { max-width: 420px; width: 100%; display: grid; gap: 1rem; }
.cartao.login p { margin: 0; line-height: 1.5; }
.cartao.estreito { max-width: 640px; }

.marca { display: flex; align-items: center; gap: .7rem; }
.marca strong { display: block; font-size: 1rem; }
.marca small { color: var(--muted); font-size: .78rem; }
.logo { display: grid; place-items: center; width: 40px; height: 40px; border-radius: 10px; background: var(--primaria); color: #fff; font-weight: 700; font-size: .78rem; letter-spacing: .03em; }

.btn { font: inherit; font-weight: 600; border-radius: 9px; border: 1px solid transparent; padding: .65rem 1.1rem; cursor: pointer; display: inline-flex; align-items: center; justify-content: center; gap: .55rem; transition: background .15s, border-color .15s; }
.btn:disabled { opacity: .5; cursor: not-allowed; }
.btn.primario { background: var(--primaria); color: #fff; }
.btn.primario:not(:disabled):hover { background: var(--primaria-escura); }
.btn.secundario { background: #fff; color: var(--texto); border-color: var(--borda); }
.btn.secundario:hover { border-color: var(--primaria); color: var(--primaria); }
.btn.link { background: none; border: none; padding: .3rem .4rem; color: var(--primaria); }
.btn.link.perigo { color: var(--erro); }
.btn.largo { width: 100%; }

.erro { color: var(--erro); font-size: .88rem; margin: 0; }
.aviso { background: var(--aviso-fundo); border: 1px solid var(--aviso-borda); border-radius: 8px; padding: .6rem .8rem; font-size: .86rem; margin: 0; line-height: 1.45; }

.topo { display: flex; align-items: center; gap: 1.5rem; padding: .8rem 1.5rem; background: #fff; border-bottom: 1px solid var(--borda); flex-wrap: wrap; }
.abas { display: flex; gap: .25rem; flex: 1; }
.aba { font: inherit; font-weight: 600; background: none; border: none; padding: .55rem .9rem; border-radius: 8px; color: var(--muted); cursor: pointer; }
.aba:hover { background: var(--fundo); color: var(--texto); }
.aba.ativa { background: var(--primaria-clara); color: var(--primaria); }
.usuario { display: flex; align-items: center; gap: .5rem; font-size: .88rem; }

.faixa-ultimo { display: flex; gap: .6rem; align-items: center; flex-wrap: wrap; padding: .6rem 1.5rem; background: var(--primaria-clara); border-bottom: 1px solid #cde7e3; font-size: .9rem; }
.faixa-ultimo code { font-weight: 700; color: var(--primaria); font-size: .95rem; }

main { padding: 1.5rem; max-width: 1180px; margin: 0 auto; }
.painel { display: grid; gap: 1.25rem; }
.grade { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr); gap: 1.25rem; align-items: start; }
.coluna { display: grid; gap: 1.25rem; }
@media (max-width: 860px) { .grade { grid-template-columns: 1fr; } .topo { gap: .75rem; } .abas { order: 3; width: 100%; } }

form label { display: grid; gap: .4rem; font-size: .88rem; font-weight: 600; margin-bottom: 1rem; }
input, select { font: inherit; font-weight: 400; padding: .62rem .75rem; border: 1px solid var(--borda); border-radius: 9px; background: #fff; color: var(--texto); width: 100%; }
input:focus, select:focus { outline: 2px solid var(--primaria); outline-offset: -1px; border-color: var(--primaria); }
select:disabled { background: var(--fundo); color: var(--muted); }
#form-gerar .aviso { margin-bottom: 1rem; }
#form-gerar .erro { margin-top: .75rem; }

.segmentado { display: inline-flex; border: 1px solid var(--borda); border-radius: 9px; overflow: hidden; width: fit-content; }
.segmentado button { font: inherit; font-weight: 500; font-size: .86rem; background: #fff; border: none; padding: .45rem .9rem; cursor: pointer; color: var(--muted); }
.segmentado button + button { border-left: 1px solid var(--borda); }
.segmentado button.ativo { background: var(--primaria); color: #fff; }

.sku-grande { font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace; font-size: clamp(1.6rem, 4vw, 2.2rem); font-weight: 700; letter-spacing: .04em; color: var(--muted); margin-bottom: 1rem; word-break: break-all; }
.previa .sku-grande { color: var(--texto); }
.sku-grande.destaque { color: var(--primaria); margin-bottom: .4rem; }
.detalhes { display: grid; gap: .55rem; margin: 0 0 1rem; }
.detalhes div { display: grid; grid-template-columns: 170px 1fr; gap: .75rem; font-size: .88rem; }
.detalhes dt { color: var(--muted); }
.detalhes dd { margin: 0; font-weight: 500; }
.resultado { border-color: #9fd6cf; background: linear-gradient(180deg, #f2fbf9, #fff); }
.res-nome { font-weight: 600; margin: 0 0 .25rem; }
.resultado .btn { margin-top: .5rem; }

.regras summary { cursor: pointer; font-weight: 600; }
.regras p, .regras li { font-size: .9rem; line-height: 1.55; }

.barra { display: flex; justify-content: space-between; align-items: center; gap: 1rem; flex-wrap: wrap; margin-bottom: 1rem; }
.barra h2 { margin: 0; }
.barra-acoes { display: flex; gap: .5rem; flex-wrap: wrap; }
.barra-acoes input { width: 320px; max-width: 100%; }
.barra-acoes select { width: auto; }
.tabela-wrap { overflow-x: auto; border: 1px solid var(--borda); border-radius: 9px; }
table { border-collapse: collapse; width: 100%; font-size: .87rem; }
th, td { text-align: left; padding: .55rem .75rem; border-bottom: 1px solid var(--borda); vertical-align: top; }
th { background: var(--fundo); font-size: .76rem; text-transform: uppercase; letter-spacing: .05em; color: var(--muted); position: sticky; top: 0; }
tbody tr:hover { background: #fafbfc; }
td.mono { font-weight: 600; color: var(--primaria); white-space: nowrap; }

.linha { display: flex; gap: .5rem; margin: 1rem 0 .5rem; }
.linha input { flex: 1; }
.lista-emails { list-style: none; padding: 0; margin: 1rem 0 0; border: 1px solid var(--borda); border-radius: 9px; }
.lista-emails li { display: flex; justify-content: space-between; align-items: center; gap: 1rem; padding: .7rem .9rem; }
.lista-emails li + li { border-top: 1px solid var(--borda); }
.lista-emails li div { display: grid; gap: .15rem; }
.lista-emails small { font-size: .78rem; }

.toast { position: fixed; bottom: 1.25rem; left: 50%; transform: translateX(-50%); background: var(--texto); color: #fff; padding: .7rem 1.1rem; border-radius: 9px; font-size: .9rem; box-shadow: var(--sombra); z-index: 10; }

/* login com senha / permissões */
a.btn { text-decoration: none; }
.cartao.login label { margin-bottom: 0; }
.campo { display: grid; gap: .4rem; margin-bottom: 1rem; }
.rotulo { font-size: .88rem; font-weight: 600; }
.regras-senha { list-style: none; padding: 0; margin: 0; display: grid; gap: .25rem; color: var(--muted); }
.regras-senha li::before { content: "○ "; }
.regras-senha li.ok { color: var(--primaria); }
.regras-senha li.ok::before { content: "✓ "; }
.lista-emails .acoes { display: flex; gap: .25rem; flex-shrink: 0; }
.senha-temp { margin-top: 1rem; border-color: #9fd6cf; background: #f2fbf9; box-shadow: none; }
.senha-temp p { margin: 0 0 .5rem; }
.senha-temp code { display: block; margin: .25rem 0 .5rem; user-select: all; }
.linha-botoes { display: flex; gap: .5rem; align-items: center; }