/* Guia do vídeo: abas laterais. Só vale depois que /video/abas.js monta as abas (classe .abas-on). */

/* body.overflow-x:hidden do base.css cria um contêiner de rolagem e quebra o position: sticky. */
body.abas-on { overflow-x: clip; }

main.abas-on {
  display: grid;
  grid-template-columns: 252px minmax(0, 1fr);
  column-gap: clamp(28px, 4vw, 52px);
  align-items: start;
  min-height: 80vh;
  padding-inline: max(20px, calc((100% - 1180px) / 2));
}

/* Seções: saem do .container (largura fixa e centralizada) e ocupam a coluna da direita. */
main.abas-on > .guia-secao {
  grid-column: 2;
  grid-row: 1;
  width: auto;
  min-width: 0;
  margin: 0;
  padding-block: clamp(30px, 4vw, 52px) clamp(40px, 5vw, 64px);
  border-bottom: 0;
}
main.abas-on > .guia-secao[hidden] { display: none; }
main.abas-on > .guia-secao > .abas-passos { max-width: none; }

/* Barra lateral */
.abas-lateral {
  grid-column: 1;
  grid-row: 1;
  position: sticky;
  top: 20px;
  max-height: calc(100vh - 40px);
  overflow-y: auto;
  margin-block: clamp(30px, 4vw, 52px);
  padding: 16px 12px 14px;
  border: 1.5px solid var(--ink);
  border-radius: var(--radius-md);
  background: var(--white);
  box-shadow: 5px 5px 0 var(--ink);
  scrollbar-width: thin;
}
.abas-rotulo {
  margin: 0 0 10px;
  padding-inline: 6px;
  color: var(--orange-dark);
  font-family: var(--font-mono);
  font-size: .7rem;
  font-weight: 500;
  letter-spacing: .09em;
  text-transform: uppercase;
}
.abas-lista { display: flex; flex-direction: column; gap: 4px; }
.abas-aba {
  width: 100%;
  min-height: 44px;
  padding: 10px 12px;
  border: 1.5px solid transparent;
  border-radius: 10px;
  background: transparent;
  color: var(--ink-soft);
  font-family: var(--font-body);
  font-size: .94rem;
  font-weight: 700;
  line-height: 1.3;
  text-align: left;
  cursor: pointer;
  transition: background-color 160ms ease, color 160ms ease, transform 160ms ease;
}
.abas-aba:hover { background: var(--paper-deep); color: var(--ink); }
.abas-aba:active { transform: scale(.98); }
.abas-aba[aria-selected="true"] {
  border-color: var(--ink);
  background: var(--orange);
  color: var(--ink);
  font-weight: 800;
  box-shadow: 3px 3px 0 var(--ink);
}
.abas-aba:focus-visible, .abas-passo:focus-visible { outline: 3px solid var(--ink); outline-offset: 2px; }

/* Anterior e Próximo, no fim de cada seção */
.abas-passos {
  display: flex;
  gap: 16px;
  margin-top: 44px;
  padding-top: 26px;
  border-top: 1.5px solid var(--line);
}
.abas-passo {
  display: flex;
  flex: 1 1 0;
  min-width: 0;
  flex-direction: column;
  gap: 4px;
  padding: 14px 18px;
  border: 1.5px solid var(--ink);
  border-radius: 12px;
  background: var(--white);
  color: var(--ink);
  text-decoration: none;
  box-shadow: 4px 4px 0 var(--ink);
  transition: transform 200ms ease, box-shadow 200ms ease, background-color 160ms ease;
}
.abas-passo:hover { background: var(--orange); transform: translate(-2px, -2px); box-shadow: 6px 6px 0 var(--ink); }
.abas-passo:active { transform: translate(0, 0); box-shadow: 2px 2px 0 var(--ink); }
.abas-prox { margin-left: auto; text-align: right; }
.abas-ant:only-child { margin-right: auto; }
.abas-prox:only-child { flex: 0 1 50%; }
.abas-ant:only-child { flex: 0 1 50%; }
.abas-passo-rotulo { color: var(--orange-dark); font-family: var(--font-mono); font-size: .7rem; font-weight: 500; letter-spacing: .09em; text-transform: uppercase; }
.abas-passo:hover .abas-passo-rotulo { color: var(--ink); }
.abas-passo-nome { font-size: 1rem; font-weight: 800; line-height: 1.3; }

/* Celular e tablet estreito: faixa horizontal fixa no topo */
@media (max-width: 899px) {
  main.abas-on {
    grid-template-columns: minmax(0, 1fr);
    padding-inline: 14px;
    min-height: 0;
  }
  main.abas-on > .guia-secao { grid-column: 1; grid-row: 2; padding-block: 26px 40px; }
  .abas-lateral {
    grid-column: 1;
    grid-row: 1;
    top: 0;
    z-index: 150;
    max-height: none;
    margin: 0 -14px;
    padding: 10px 14px;
    overflow: visible;
    border: 0;
    border-bottom: 1.5px solid var(--ink);
    border-radius: 0;
    background: var(--paper);
    box-shadow: 0 6px 14px rgba(25, 24, 22, .08);
  }
  .abas-rotulo { display: none; }
  .abas-lista {
    flex-direction: row;
    gap: 8px;
    overflow-x: auto;
    padding: 2px 2px 6px;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }
  .abas-lista::-webkit-scrollbar { display: none; }
  .abas-aba {
    flex: 0 0 auto;
    width: auto;
    min-height: 44px;
    padding: 8px 14px;
    border-color: var(--line);
    border-radius: 999px;
    background: var(--white);
    font-size: .88rem;
    white-space: nowrap;
  }
  .abas-aba[aria-selected="true"] { border-color: var(--ink); box-shadow: 2px 2px 0 var(--ink); }
}

@media (max-width: 560px) {
  .abas-passos { flex-direction: column; }
  .abas-prox, .abas-ant:only-child, .abas-prox:only-child { flex: 1 1 auto; margin-left: 0; margin-right: 0; }
  .abas-prox { text-align: left; }
}

@media (prefers-reduced-motion: reduce) {
  .abas-aba, .abas-passo { transition: none; }
}