:root {
  --bg: #faf6f0;
  --card: #ffffff;
  --tinta: #3a2e28;
  --suave: #8a7a6f;
  --linha: #ece2d6;
  --terra: #c66a3d;
  --terra-esc: #a9542d;
  --sage: #6f8c6a;
  --dourado: #d9a441;
  --sombra: 0 1px 3px rgba(58,46,40,.08), 0 6px 20px rgba(58,46,40,.05);
}
* { box-sizing: border-box; }
body {
  margin: 0; background: var(--bg); color: var(--tinta);
  font: 15px/1.5 -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
}
.wrap { width: min(1080px, 92%); margin: 0 auto; }
a { color: var(--terra-esc); }

/* topo */
.topo { background: var(--card); border-bottom: 1px solid var(--linha); }
.topo-flex { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 14px 0; flex-wrap: wrap; }
.marca { font-weight: 700; font-size: 18px; color: var(--tinta); text-decoration: none; display: flex; align-items: center; gap: 9px; }
.bola { width: 16px; height: 16px; border-radius: 50%; background:
  radial-gradient(circle at 30% 30%, var(--dourado), var(--terra) 70%);
  box-shadow: inset -2px -2px 3px rgba(0,0,0,.15); display: inline-block; }
.menu { display: flex; gap: 4px; flex-wrap: wrap; }
.menu a { padding: 7px 12px; border-radius: 8px; text-decoration: none; color: var(--suave); font-weight: 500; }
.menu a:hover { background: var(--bg); color: var(--tinta); }
.menu a.on { background: var(--terra); color: #fff; }

main.wrap { padding: 26px 0 40px; }
h1 { font-size: 26px; margin: 6px 0 14px; }
h2 { font-size: 18px; margin: 0 0 12px; }

/* hero */
.hero { background: linear-gradient(135deg, #fff 0%, #fdf0e6 100%);
  border: 1px solid var(--linha); border-radius: 16px; padding: 26px 28px; margin-bottom: 22px; box-shadow: var(--sombra); }
.hero h1 { margin: 0 0 8px; }
.hero p { color: var(--suave); max-width: 640px; margin: 0 0 16px; }

/* botões */
.btn { display: inline-block; background: var(--terra); color: #fff; border: 0; padding: 10px 18px;
  border-radius: 10px; font-weight: 600; cursor: pointer; text-decoration: none; font-size: 15px; }
.btn:hover { background: var(--terra-esc); }
.btn-sec { background: var(--card); color: var(--tinta); border: 1px solid var(--linha); }
.btn-sec:hover { background: var(--bg); }

/* filtros */
.filtros { display: flex; gap: 10px; margin-bottom: 16px; flex-wrap: wrap; }
.filtros select, .filtros input { padding: 9px 11px; border: 1px solid var(--linha); border-radius: 9px; background: #fff; font-size: 14px; }
.filtros input { flex: 1; min-width: 180px; }

/* tabela */
.tabela-wrap { overflow-x: auto; border: 1px solid var(--linha); border-radius: 14px; background: var(--card); box-shadow: var(--sombra); }
.tabela { width: 100%; border-collapse: collapse; font-size: 14px; }
.tabela th { text-align: left; background: #f4ece2; color: var(--suave); font-weight: 600;
  padding: 12px 14px; border-bottom: 1px solid var(--linha); white-space: nowrap; }
.tabela td { padding: 12px 14px; border-bottom: 1px solid var(--linha); vertical-align: middle; }
.tabela tbody tr:last-child td { border-bottom: 0; }
.tabela tbody tr:hover { background: #fcf7f1; }
.dir { text-align: right; }
.preco { color: var(--terra-esc); font-weight: 700; white-space: nowrap; }
.faixa { color: var(--suave); white-space: nowrap; }
.cod { font-family: ui-monospace, "SF Mono", Menlo, monospace; font-size: 12px; background: #f0e7db;
  padding: 3px 7px; border-radius: 6px; color: var(--tinta); white-space: nowrap; }

.tag { font-size: 11px; padding: 3px 8px; border-radius: 20px; font-weight: 600; }
.n-fácil { background: #e6f0e3; color: #4a6b45; }
.n-médio { background: #fdf1dd; color: #97701f; }
.n-difícil { background: #fbe6db; color: var(--terra-esc); }
.n-avançado { background: #f2e0e6; color: #8a3a55; }

/* cards / formulários */
.grid-2 { display: grid; grid-template-columns: 1.4fr 1fr; gap: 20px; align-items: start; }
.card { background: var(--card); border: 1px solid var(--linha); border-radius: 14px; padding: 20px; box-shadow: var(--sombra); }
.card.compacto { margin-bottom: 22px; }
fieldset { border: 1px solid var(--linha); border-radius: 10px; padding: 14px 16px; margin: 0 0 16px; }
legend { padding: 0 8px; color: var(--suave); font-weight: 600; font-size: 13px; text-transform: uppercase; letter-spacing: .04em; }
label { display: block; font-size: 13px; color: var(--suave); font-weight: 600; margin-bottom: 12px; }
label input, label select { display: block; width: 100%; margin-top: 5px; padding: 9px 11px;
  border: 1px solid var(--linha); border-radius: 9px; font-size: 15px; color: var(--tinta); background: #fff; font-weight: 400; }
.linha { display: flex; gap: 12px; flex-wrap: wrap; }
.linha > label { flex: 1; min-width: 130px; }
.linha > label.curto { flex: 0 1 120px; }
.check { display: flex; align-items: center; gap: 8px; font-size: 14px; color: var(--tinta); }
.check input { width: auto; margin: 0; }
.acoes { margin-top: 6px; }

/* painel de resultado */
.resultado { position: sticky; top: 16px; }
.preco-grande { font-size: 34px; font-weight: 800; color: var(--terra-esc); margin: 4px 0 16px; }
.mini { width: 100%; border-collapse: collapse; font-size: 14px; }
.mini td { padding: 7px 0; border-bottom: 1px dashed var(--linha); color: var(--suave); }
.mini td.dir { color: var(--tinta); }
.mini tr.sep td { border-bottom: 2px solid var(--linha); padding-top: 10px; }
.mini .lucro { color: var(--sage); font-weight: 700; }
.obs { color: var(--suave); font-size: 13px; }
.resultado .obs { margin-top: 14px; }

/* alertas */
.alerta { padding: 12px 16px; border-radius: 10px; margin-bottom: 18px; font-size: 14px; }
.alerta.ok { background: #e6f0e3; color: #3f5f3a; border: 1px solid #cfe2c9; }
.alerta.erro { background: #fbe4dc; color: #9a3b22; border: 1px solid #f2c9ba; }
.vazio { color: var(--suave); padding: 20px; text-align: center; }

.link-del { background: none; border: 0; color: #b5482e; cursor: pointer; font-size: 13px; padding: 0; text-decoration: underline; }
.rodape { color: var(--suave); font-size: 13px; padding: 24px 0; text-align: center; }

@media (max-width: 760px) {
  .grid-2 { grid-template-columns: 1fr; }
  .resultado { position: static; }
}

/* ===== versão pública/colaborativa ===== */
.menu .admin-link { color: var(--suave); font-size: 13px; }
.menu .sair { color: #b5482e; }
.badge { background: #fff; color: var(--terra-esc); border-radius: 20px; padding: 0 7px; font-size: 11px; font-weight: 700; margin-left: 2px; }
.menu a.on .badge { background: var(--terra-esc); color: #fff; }

.contexto { margin: -6px 0 14px; }
.legenda { margin-top: 12px; }
.link-modelo { color: var(--tinta); text-decoration: none; font-weight: 600; }
.link-modelo:hover { color: var(--terra-esc); text-decoration: underline; }
a.cod { text-decoration: none; }
.tag.insuf { background: #f3ede2; color: #9a7b3a; }

/* cards de estatística */
.cards-stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 14px; margin-bottom: 22px; }
.stat { background: var(--card); border: 1px solid var(--linha); border-radius: 14px; padding: 16px 18px; box-shadow: var(--sombra); display: flex; flex-direction: column; gap: 4px; text-decoration: none; color: inherit; }
.stat .rot { font-size: 12px; color: var(--suave); font-weight: 600; text-transform: uppercase; letter-spacing: .03em; }
.stat .val { font-size: 26px; font-weight: 800; color: var(--tinta); }
.stat.destaque { background: linear-gradient(135deg, #fff, #fdf0e6); }
.stat.destaque .val { color: var(--terra-esc); }
a.stat.destaque:hover { border-color: var(--terra); }

/* detalhe do modelo */
.cabecalho-modelo { display: flex; justify-content: space-between; align-items: flex-start; gap: 16px; flex-wrap: wrap; margin-bottom: 20px; }
.cabecalho-modelo h1 { margin: 6px 0 4px; }
.cod.grande { font-size: 13px; }
.tabela.interna { box-shadow: none; }
.lista-contrib { list-style: none; padding: 0; margin: 0; }
.lista-contrib li { padding: 9px 0; border-bottom: 1px dashed var(--linha); }
.lista-contrib li:last-child { border-bottom: 0; }
.li-topo { display: flex; justify-content: space-between; align-items: baseline; gap: 10px; flex-wrap: wrap; }
.barra { height: 6px; background: #f0e7db; border-radius: 4px; margin-top: 5px; overflow: hidden; }
.barra span { display: block; height: 100%; background: linear-gradient(90deg, var(--dourado), var(--terra)); }

/* contribuir */
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; }
.preco-box { background: #fdf6ef; }
.preco-principal input { font-size: 20px; font-weight: 700; }
details.calc { border: 1px solid var(--linha); border-radius: 10px; padding: 4px 14px; margin-bottom: 16px; background: #fff; }
details.calc summary { cursor: pointer; padding: 10px 0; font-weight: 600; color: var(--terra-esc); }
.calc-res { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.calc-res strong { font-size: 18px; color: var(--terra-esc); }

/* moderação */
.abas { display: flex; gap: 4px; margin-bottom: 16px; border-bottom: 1px solid var(--linha); }
.abas a { padding: 9px 14px; text-decoration: none; color: var(--suave); font-weight: 600; border-bottom: 2px solid transparent; }
.abas a.on { color: var(--terra-esc); border-bottom-color: var(--terra); }
.acoes-mod { white-space: nowrap; }
.acoes-mod form { display: inline; }
.btn-mini { border: 0; border-radius: 7px; padding: 5px 10px; font-size: 12px; font-weight: 700; cursor: pointer; margin-left: 4px; }
.btn-mini.ok { background: #e2efdd; color: #3f6a38; }
.btn-mini.ok:hover { background: #d3e7cc; }
.btn-mini.no { background: #f7e3d9; color: #a2452a; }
.btn-mini.no:hover { background: #f2d3c4; }

/* atalhos & login */
.atalhos { display: flex; gap: 10px; flex-wrap: wrap; }
.tela-login { display: flex; align-items: center; justify-content: center; min-height: 100vh; }
.login-card { width: min(380px, 92%); }
.login-card .marca { margin-bottom: 10px; }
.login-card h1 { font-size: 20px; margin: 0 0 16px; }
.login-card hr, .card hr { border: 0; border-top: 1px solid var(--linha); margin: 16px 0; }

/* ===== histórico / variação ===== */
.cab-variacao { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; margin-bottom: 8px; }
.cab-variacao h2 { margin: 0; }
.deltas { display: flex; gap: 8px; flex-wrap: wrap; }
.delta { font-size: 13px; font-weight: 700; padding: 4px 10px; border-radius: 20px; background: #f1ece3; color: var(--suave); }
.delta.sobe { background: #e2efdd; color: #3f6a38; }
.delta.desce { background: #f7e3d9; color: #a2452a; }
.grafico { width: 100%; height: auto; display: block; }

/* ===== múltiplos fios na calculadora ===== */
.obs.mini { font-size: 12px; margin: 2px 0 8px; }
.fio-linha { align-items: flex-end; }
.fio-linha .rem-fio { border: 1px solid var(--linha); background: #fff; color: #b5482e; width: 34px; height: 38px; border-radius: 8px; font-size: 18px; line-height: 1; cursor: pointer; flex: 0 0 auto; }
.fio-linha .rem-fio:hover { background: #f7e3d9; }
.btn-add { background: none; border: 1px dashed var(--terra); color: var(--terra-esc); border-radius: 8px; padding: 7px 12px; font-size: 13px; font-weight: 600; cursor: pointer; margin: 2px 0 12px; }
.btn-add:hover { background: #fdf0e6; }