/* Manual de uso do TubosCamp. Feito para ler na tela e imprimir sem estragar. */
:root {
  --tinta: #15191d;
  --tinta-2: #4a555e;
  --tinta-3: #6b7780;
  --linha: #dfe4e8;
  --fundo: #f4f6f7;
  --papel: #fff;
  --acao: #c2451d;
  --ok: #2f6f4a;
  --alerta: #a8281f;
  --aviso: #8a6100;
  --largura: 860px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0; background: var(--fundo); color: var(--tinta);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  font-size: 17px; line-height: 1.65;
  -webkit-text-size-adjust: 100%;
}

/* ---------------------------------------------------------------- cabeçalho */
.topo {
  background: var(--tinta); color: #fff; padding: 14px 24px;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  position: sticky; top: 0; z-index: 10;
}
.topo a { color: #fff; text-decoration: none; }
.topo .marca { font-weight: 800; font-size: 19px; letter-spacing: .2px; }
.topo .voltar {
  font-size: 14px; border: 1px solid rgba(255,255,255,.35);
  padding: 5px 12px; border-radius: 6px;
}
.topo .voltar:hover { background: rgba(255,255,255,.12); }

.envelope { max-width: var(--largura); margin: 0 auto; padding: 32px 24px 90px; }

/* ------------------------------------------------------------------- texto */
h1 { font-size: 34px; line-height: 1.2; margin: 8px 0 6px; letter-spacing: -.4px; }
h2 {
  font-size: 25px; margin: 52px 0 14px; padding-top: 22px;
  border-top: 2px solid var(--linha); letter-spacing: -.2px;
}
h3 { font-size: 19px; margin: 32px 0 8px; }
p, li { margin: 0 0 12px; }
ul, ol { padding-left: 24px; }
li { margin-bottom: 7px; }
a { color: var(--acao); }
strong { font-weight: 650; }
code, .cod {
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  font-size: .88em; background: #e8ecef; padding: 2px 6px; border-radius: 4px;
}
.chamada { font-size: 20px; color: var(--tinta-2); margin: 0 0 26px; line-height: 1.5; }

/* ------------------------------------------------------------------ figuras */
figure { margin: 24px 0 30px; }
figure img {
  width: 100%; display: block; border: 1px solid var(--linha);
  border-radius: 8px; background: var(--papel);
}
figcaption {
  font-size: 14.5px; color: var(--tinta-3); margin-top: 9px;
  padding-left: 12px; border-left: 3px solid var(--linha);
}
figure.estreita { max-width: 500px; }
figure.media { max-width: 620px; }

/* ------------------------------------------------------------------- caixas */
.caixa {
  background: var(--papel); border: 1px solid var(--linha);
  border-radius: 8px; padding: 18px 20px; margin: 22px 0;
}
.caixa > :last-child { margin-bottom: 0; }
.caixa h3 { margin-top: 0; }
.caixa.atencao { border-left: 4px solid var(--aviso); background: #fffbf0; }
.caixa.perigo  { border-left: 4px solid var(--alerta); background: #fdf4f3; }
.caixa.dica    { border-left: 4px solid var(--ok);     background: #f2f9f5; }
.caixa .rotulo {
  display: block; font-size: 12.5px; font-weight: 750; letter-spacing: .07em;
  text-transform: uppercase; margin-bottom: 6px;
}
.caixa.atencao .rotulo { color: var(--aviso); }
.caixa.perigo  .rotulo { color: var(--alerta); }
.caixa.dica    .rotulo { color: var(--ok); }

/* ------------------------------------------------------------------- passos */
ol.passos { list-style: none; padding: 0; counter-reset: passo; }
ol.passos > li {
  counter-increment: passo; position: relative;
  padding: 0 0 4px 46px; margin-bottom: 22px;
}
ol.passos > li::before {
  content: counter(passo); position: absolute; left: 0; top: 1px;
  width: 30px; height: 30px; border-radius: 50%;
  background: var(--tinta); color: #fff;
  font-size: 15px; font-weight: 700;
  display: flex; align-items: center; justify-content: center;
}
ol.passos > li > strong:first-child { display: block; font-size: 18px; margin-bottom: 2px; }

/* ------------------------------------------------------------------ tabelas */
.rolagem { overflow-x: auto; margin: 20px 0; }
table { border-collapse: collapse; width: 100%; background: var(--papel); font-size: 15.5px; }
th, td { text-align: left; padding: 10px 13px; border-bottom: 1px solid var(--linha); vertical-align: top; }
th { background: #eceff1; font-weight: 650; white-space: nowrap; }
tr:last-child td { border-bottom: none; }
table.borda { border: 1px solid var(--linha); border-radius: 8px; overflow: hidden; }

/* ------------------------------------------------------------------ cartões */
.grade { display: grid; gap: 14px; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); margin: 26px 0; }
a.cartao {
  display: block; background: var(--papel); border: 1px solid var(--linha);
  border-radius: 8px; padding: 17px 19px; text-decoration: none; color: inherit;
  transition: border-color .15s, transform .15s;
}
a.cartao:hover { border-color: var(--tinta-3); transform: translateY(-1px); }
a.cartao .quem { font-size: 12.5px; font-weight: 750; letter-spacing: .07em; text-transform: uppercase; color: var(--acao); }
a.cartao .titulo { font-size: 19px; font-weight: 700; margin: 3px 0 5px; }
a.cartao .resumo { font-size: 15px; color: var(--tinta-2); line-height: 1.45; }

/* ------------------------------------------------------------------ selos */
.selo {
  display: inline-block; font-size: 12.5px; font-weight: 700;
  padding: 2px 9px; border-radius: 20px; vertical-align: 2px;
  font-family: ui-monospace, Menlo, Consolas, monospace;
}
.selo.cinza   { background: #e2e6e9; color: #47525a; }
.selo.azul    { background: #dce8f6; color: #1b4f80; }
.selo.verde   { background: #d8ede1; color: #1f5c3c; }
.selo.amarelo { background: #f8eccf; color: #7a5600; }
.selo.vermelho{ background: #f6dcd9; color: #8c2018; }

/* ------------------------------------------------------------------ fluxo */
.fluxo {
  display: flex; align-items: stretch; gap: 0; flex-wrap: wrap;
  margin: 26px 0; font-size: 14.5px;
}
.fluxo .etapa {
  flex: 1 1 130px; background: var(--papel); border: 1px solid var(--linha);
  padding: 13px 12px; text-align: center; border-radius: 8px;
}
.fluxo .etapa b { display: block; font-size: 15.5px; margin-bottom: 2px; }
.fluxo .etapa span { color: var(--tinta-3); font-size: 13px; }
.fluxo .seta { display: flex; align-items: center; color: var(--tinta-3); padding: 0 7px; font-size: 19px; }

/* ------------------------------------------------------------------ sumário */
.sumario { background: var(--papel); border: 1px solid var(--linha); border-radius: 8px; padding: 16px 22px; margin: 26px 0 34px; }
.sumario .rotulo { font-size: 12.5px; font-weight: 750; letter-spacing: .07em; text-transform: uppercase; color: var(--tinta-3); }
.sumario ol { margin: 8px 0 0; padding-left: 20px; }
.sumario li { margin-bottom: 4px; }

/* ------------------------------------------------------------------ rodapé */
.rodape {
  border-top: 2px solid var(--linha); margin-top: 60px; padding-top: 22px;
  font-size: 14.5px; color: var(--tinta-3);
  display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap;
}

/* ------------------------------------------------------------------ celular */
@media (max-width: 620px) {
  body { font-size: 16px; }
  .envelope { padding: 22px 16px 70px; }
  h1 { font-size: 27px; }
  h2 { font-size: 21px; margin-top: 40px; }
  .fluxo .seta { display: none; }
}

/* ------------------------------------------------------------------ impressão */
@media print {
  body { background: #fff; font-size: 11pt; }
  .topo, .rodape { display: none; }
  .envelope { max-width: none; padding: 0; }
  h2 { page-break-after: avoid; }
  figure, .caixa, table { page-break-inside: avoid; }
  figure img { border-color: #bbb; }
  a { color: inherit; text-decoration: none; }
}