/* Aspeto inspirado em docs.clavister.com (Bootstrap 5 + manuais DocBook) */
:root {
  --primaria: #215D83;
  --barra: #1F3342;
  --texto: #212529;
  --texto-suave: #6c757d;
  --linha: #dee2e6;
  --fundo: #ffffff;
  --fundo-claro: #f8f9fa;
  --altura-barra: 56px;
  --fonte: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
  --fonte-doc: "Helvetica Neue", Helvetica, Arial, "Lucida Grande", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-padding-top: 16px; }
body { margin: 0; font-family: var(--fonte); font-size: 1rem; line-height: 1.5; color: var(--texto); background: var(--fundo); }
a { color: var(--primaria); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3, h4, h5 { line-height: 1.2; }

.contentor { width: 100%; max-width: 1320px; margin: 0 auto; padding: 0 16px; }

/* ---------- barra de topo ---------- */
.barra { background: var(--barra); height: var(--altura-barra); display: flex; align-items: center; }
.barra-int { display: flex; align-items: center; justify-content: space-between; }
.marca { color: #fff; font-size: 1.25rem; display: flex; align-items: center; gap: 8px; white-space: nowrap; }
.marca:hover { text-decoration: none; color: #fff; }
.marca-logo { display: inline-grid; place-items: center; width: 30px; height: 30px; border-radius: 50%;
  background: #fff; color: var(--barra); font-size: .62rem; font-weight: 800; letter-spacing: .02em; }
.barra-links { list-style: none; margin: 0; padding: 0; display: flex; gap: 4px; font-size: .875rem; }
.barra-links a { color: #fff; padding: 8px; display: block; }

/* ---------- cabeçalho de página ---------- */
.cab-pagina { padding: 1rem 0; margin-bottom: 1rem; background: rgba(255,255,255,.9);
  box-shadow: 0 .5rem 1rem rgba(0,0,0,.05), inset 0 -1px 0 rgba(0,0,0,.15); }
.cab-int { display: flex; justify-content: space-between; align-items: flex-start; gap: 16px; flex-wrap: wrap; }
.cab-texto { flex: 1 1 420px; min-width: 0; }
.titulo { font-size: calc(1.375rem + 1.5vw); font-weight: 500; margin: 0; }
@media (min-width: 1200px) { .titulo { font-size: 2.5rem; } }
.pagina-doc .titulo { font-size: 1.6rem; }
.descricao { margin: .25rem 0 0; }
.pagina-doc .descricao { color: var(--texto-suave); font-size: .9rem; }
.cab-controlos { display: flex; gap: 12px; flex-wrap: wrap; }
.seletor { display: flex; align-items: center; gap: 8px; }
.seletor span { white-space: nowrap; }
.seletor select, .seletor input {
  font: inherit; color: var(--texto); background-color: #fff; border: 1px solid #ced4da; border-radius: .25rem;
  padding: .375rem .75rem; max-width: 340px; min-width: 0;
}
.seletor select { padding-right: 2rem; }

/* ---------- início ---------- */
.inicio { display: grid; grid-template-columns: minmax(0, 2fr) minmax(0, 1fr); gap: 24px; margin-bottom: 48px; }
.inicio-temas { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; align-content: start; }
.cartao { display: flex; gap: 16px; padding: 1rem; height: 100%; color: #495057; background: #fff;
  border: 1px solid rgba(0,0,0,.125); }
.cartao:hover { text-decoration: none; background: var(--fundo-claro); color: #495057; }
.cartao-icone { flex: none; width: 40px; height: 40px; border-radius: 6px; background: var(--primaria); color: #fff;
  display: grid; place-items: center; font-weight: 700; font-size: 1.15rem; }
.cartao-titulo { display: block; font-size: 1.25rem; font-weight: 500; color: var(--texto); margin-bottom: 2px; }
.cartao-desc { display: block; opacity: .75; }
.caixa { background: var(--fundo-claro); border: 1px solid rgba(0,0,0,.125); padding: 1rem; margin-bottom: 1rem; }
.caixa h5 { font-size: 1.25rem; font-weight: 500; margin: 0 0 .5rem; }
.caixa p { margin: 0 0 .75rem; }
.caixa p:last-child { margin: 0; }
.lista-simples { list-style: none; margin: 0; padding: 0; font-size: .875rem; }
.lista-simples li { margin: .4rem 0; }
.form-pesquisa { display: flex; gap: 6px; }
.form-pesquisa input { flex: 1; min-width: 0; font: inherit; padding: .375rem .75rem; border: 1px solid #ced4da; border-radius: .25rem; }
.form-pesquisa button { font: inherit; color: var(--primaria); background: #fff; border: 1px solid var(--primaria);
  border-radius: .25rem; padding: .25rem .75rem; cursor: pointer; }
.form-pesquisa button:hover { background: var(--primaria); color: #fff; }

/* ---------- tema ---------- */
.grelha-categorias { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 8px 24px; margin-bottom: 48px; }
.col-categoria h3 { font-size: 1.75rem; font-weight: 500; margin: .5rem 0 1rem; }
.link-list { list-style: none; margin: 0 0 1.5rem; padding: 0; }
.link-list li a { display: flex; flex-direction: column; border-left: 6px solid var(--texto-suave);
  padding-left: .5rem; margin-bottom: .5rem; }
.link-list li a:hover { border-color: var(--barra); }
.link-list .sub { font-size: .8rem; color: var(--texto-suave); }
.vazio { color: var(--texto-suave); }

/* ---------- documento: dois painéis, como os manuais em frames ---------- */
.pagina-doc .cab-pagina { margin-bottom: 0; }
.doc-paineis { display: grid; grid-template-columns: minmax(220px, 25%) minmax(0, 1fr);
  height: calc(100vh - var(--altura-barra) - var(--altura-cab, 90px)); }
.doc-paineis.sem-indice { grid-template-columns: minmax(0, 1fr); }
.doc-paineis.sem-indice .doc-lateral { display: none; }
.doc-lateral, .doc-principal { overflow: auto; }
.doc-lateral { padding: 16px; border-right: 1px solid var(--linha); font-family: var(--fonte-doc); font-size: .95rem; }
.ind-titulo { margin-bottom: 10px; padding-bottom: 10px; border-bottom: 1px solid #999; }
.indice summary { font-weight: 700; cursor: pointer; margin-bottom: 6px; }
.indice ul { list-style: none; margin: 0; padding: 0; }
.indice li a { display: block; padding: 1px 0; }
.indice li a.ativo { font-weight: 700; color: var(--barra); }
.indice .ind-cap { margin-top: 6px; }
.indice .ind-sec { margin-left: 14px; }
.ind-vazio { color: var(--texto-suave); }
.doc-principal { padding: 8px 5% 40px; }

.navdoc { display: grid; grid-template-columns: 20% 60% 20%; align-items: center; font-size: .95rem;
  padding: 6px 0; border-bottom: 1px solid #999; margin-bottom: 8px; }
.navdoc + .aviso, .doc-corpo + .navdoc { border-bottom: 0; border-top: 1px solid #999; margin-top: 32px; }
.navdoc-centro { text-align: center; color: var(--texto-suave); }
.navdoc-seg { text-align: right; }
.aviso { color: var(--texto-suave); font-size: .85rem; }

.doc-corpo { font-family: var(--fonte-doc); font-size: 1.05rem; color: #000; max-width: 900px; }
.doc-titulo { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
.doc-corpo h2 { font-size: 1.75rem; font-weight: 700; margin: 24px 0 16px; padding-top: 12px; }
.doc-corpo h3 { font-size: 1.3rem; font-weight: 700; margin: 20px 0 10px; padding-top: 10px; border-top: 1px solid #000; }
.doc-corpo h2 + h3 { border-top: 0; }
.doc-corpo p { margin: 0 0 .9em; }
.doc-corpo .lista { margin: 0 0 .9em; padding-left: 1.4em; }
.doc-corpo .lista li { margin: 0 0 .3em; }
.doc-corpo figure { margin: 1em 0; text-align: center; }
.doc-corpo figure img { max-width: 100%; max-height: 420px; width: auto; height: auto; }
.doc-corpo .legenda { text-align: center; font-style: italic; color: #333; font-size: .95rem; }
.ficha { border-collapse: collapse; margin: 0 0 1.5em; }
.ficha th { text-align: left; padding: 3px 16px 3px 0; vertical-align: top; white-space: nowrap; }
.ficha td { padding: 3px 0; }
.tabela { overflow-x: auto; margin: 1em 0 1.5em; }
.tabela table { border-collapse: collapse; width: 100%; font-size: .92rem; }
.tabela caption { text-align: left; font-weight: 700; padding: 6px 0; }
.tabela th { background: #A0A0A0; color: #fff; text-align: left; padding: 6px; vertical-align: top; }
.tabela td { padding: 6px; text-align: left; vertical-align: top; }
.tabela tr:nth-child(even) td { background: #EBEBEB; }

/* ---------- pesquisa ---------- */
.pesquisa { margin-bottom: 64px; max-width: 900px; }
.form-pesquisa-grande { margin: 8px 0 24px; flex-wrap: wrap; }
.form-pesquisa-grande input { flex: 1 1 320px; font-size: 1.1rem; padding: .5rem .75rem; }
.form-pesquisa-grande select { font: inherit; padding: .375rem .75rem; border: 1px solid #ced4da; border-radius: .25rem; background: #fff; }
.conta-resultados { color: var(--texto-suave); }
.resultados { list-style: none; margin: 0; padding: 0; }
.resultados li { padding: 12px 0; border-bottom: 1px solid var(--linha); }
.res-titulo { font-size: 1.15rem; font-weight: 500; }
.res-onde { font-size: .85rem; color: var(--texto-suave); margin: 2px 0 4px; }
.res-excerto { margin: 0; }
mark { background: #fff3a8; padding: 0 1px; }

/* ---------- avisos no documento ---------- */
.aviso-substituido { background: #fff3cd; border: 1px solid #ffe08a; padding: 10px 14px; margin: 8px 0 16px; }

/* ---------- ecrãs pequenos ---------- */
@media (max-width: 991px) {
  .grelha-categorias { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .inicio { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 767px) {
  .inicio-temas, .grelha-categorias { grid-template-columns: minmax(0, 1fr); }
  .doc-paineis, .doc-paineis.sem-indice { display: block; height: auto; }
  .doc-lateral { border-right: 0; border-bottom: 1px solid var(--linha); }
  .doc-lateral .indice:not([open]) { margin-bottom: 0; }
  .doc-principal { padding: 8px 16px 40px; }
  .seletor { width: 100%; }
  .seletor select, .seletor input { flex: 1; max-width: none; }
  .navdoc { grid-template-columns: 1fr 1fr; }
  .navdoc-centro { display: none; }
}