/* ============================================================
   biblioteca.css — camada de leitura da Biblioteca Técnica (§9).
   Depende de site/assets/css/common.css (tokens, header, footer).
   NÃO redefine tokens de marca: apenas adiciona os tokens de
   leitura (--b-*) e os componentes da biblioteca (prefixo b-).
   Base mobile 360 px; temas claro/escuro via tokens existentes.
   ============================================================ */

/* --- Tokens de leitura (§9.2) -------------------------------- */
:root {
  --b-reading-width: 72ch;
  --b-wide-width: 1180px;
  --b-space-1: 4px;  --b-space-2: 8px;  --b-space-3: 12px; --b-space-4: 16px;
  --b-space-5: 24px; --b-space-6: 32px; --b-space-7: 48px; --b-space-8: 64px;
}

/* --- Estrutura da página -------------------------------------- */
.b-main { padding-top: 88px; padding-bottom: var(--b-space-7); }
.b-wrap {
  max-width: var(--b-reading-width);
  margin: 0 auto;
  padding: 0 var(--b-space-4);
}
.b-wrap-wide { max-width: var(--b-wide-width); margin: 0 auto; padding: 0 var(--b-space-4); }

.b-skip {
  position: absolute; left: -9999px; top: 0; z-index: 2000;
  background: var(--bg-elevated); color: var(--text-high);
  padding: 10px 16px; border-radius: 0 0 var(--radius-sm) 0;
  font-weight: 700; text-decoration: none;
}
.b-skip:focus { left: 0; }

#conteudo :focus-visible,
.b-modal :focus-visible {
  outline: 3px solid var(--focus-ring);
  outline-offset: 2px;
  border-radius: 4px;
}

/* --- Rodapé do portal (standardFoot) ------------------------- */
/* O logo real é ~8:1 (height 44 px ⇒ 358 px de largura) e o .footBrand não
   quebrava linha: em ≤394 px o footer forçava scroll horizontal de ~300 px.
   Escopo: biblioteca.css só carrega nas páginas da biblioteca. */
@media (max-width: 640px) {
  .standardFoot .footBrand { flex-wrap: wrap; }
  .standardFoot .footBrand img { width: 40px; height: 40px; object-fit: contain; max-width: 100%; }
}

/* --- Navegação no header (reutiliza .app-header do common.css) - */
.b-nav { display: flex; gap: 4px; align-items: center; min-width: 0; }
.b-nav a {
  color: var(--text-body); text-decoration: none; font-weight: 700;
  font-size: 0.875rem; padding: 10px 12px; border-radius: var(--radius-pill);
  min-height: 44px; display: inline-flex; align-items: center; white-space: nowrap;
}
.b-nav a:hover { color: var(--primary); background: var(--wash); }
.b-nav a[aria-current="page"] { color: var(--primary); }

/* --- Busca no header (T2/T3): link para /busca.html; o overlay do
       Pagefind assume o clique quando o JS carrega ------------------ */
.b-busca-btn {
  display: inline-flex; align-items: center; min-height: 44px;
  padding: 8px 14px; border-radius: var(--radius-pill);
  border: 1px solid var(--border-subtle); background: var(--wash);
  color: var(--text-body); font-weight: 700; font-size: 0.875rem;
  text-decoration: none; white-space: nowrap;
}
.b-busca-btn:hover { color: var(--primary); border-color: var(--primary); }

/* --- Menu mobile (drawer com acordeões, §9.5) ---------------------- */
.b-visually-hidden {
  position: absolute; width: 1px; height: 1px; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap;
}
.b-menu-btn {
  display: none; align-items: center; min-height: 44px;
  padding: 8px 12px; border-radius: var(--radius-pill);
  border: 1px solid var(--border-subtle); background: var(--bg-elevated);
  color: var(--text-body); font-weight: 700; font-size: 0.875rem;
  font-family: inherit; cursor: pointer;
}
.b-drawer {
  /* D-04 (Fase 0.5): o drawer está FORA do <header> no template — sem o
     containing block do backdrop-filter, top/bottom resolvem contra a
     viewport: painel de altura total (≥80vh), opaco e rolável. */
  position: fixed; top: 69px; left: 0; right: 0; bottom: 0; z-index: 999;
  background: var(--bg-base); border-top: 1px solid var(--border-subtle);
  overflow-y: auto; padding: var(--b-space-4);
}
.b-drawer nav { display: grid; gap: 4px; max-width: 560px; margin: 0 auto; }
.b-drawer nav > a, .b-drawer-grupo summary {
  display: flex; align-items: center; min-height: 48px;
  padding: 12px 14px; border-radius: var(--radius-sm);
  color: var(--text-body); font-weight: 700; text-decoration: none;
  background: var(--bg-surface); border: 1px solid var(--border-subtle);
}
.b-drawer nav > a:hover, .b-drawer-grupo summary:hover { color: var(--primary); }
.b-drawer-grupo { border: 0; }
.b-drawer-grupo summary { cursor: pointer; list-style: none; }
.b-drawer-grupo summary::after { content: "▾"; margin-left: auto; color: var(--text-muted); }
.b-drawer-grupo[open] summary::after { content: "▴"; }
.b-drawer-grupo summary::-webkit-details-marker { display: none; }
.b-drawer-links {
  display: grid; gap: 4px; padding: var(--b-space-2) 0 var(--b-space-2) var(--b-space-5);
}
.b-drawer-links a {
  display: flex; align-items: center; min-height: 44px; padding: 8px 12px;
  border-radius: var(--radius-sm); color: var(--text-body);
  text-decoration: none; font-weight: 600; font-size: 0.9375rem;
}
.b-drawer-links a:hover { color: var(--primary); background: var(--wash); }
.b-drawer-busca {
  margin-top: var(--b-space-3); text-align: center; justify-content: center;
  border: 1px dashed var(--border-strong) !important;
}

@media (max-width: 1530px) {
  /* faixa 1181–1530 px: na biblioteca o link Contato sai do header inteiro
     (o ContactCTA e o rodapé cobrem o contato) e o pill de sugestões não
     faz parte do layout; a conta compacta global fica no common.css */
  .ve-account-nav .ve-link-contato { display: none; }
  .nav-container > .ve-sugestoes-link { display: none !important; }
}
@media (max-width: 1280px) {
  /* logo só com a marca: o texto "VIDRO ENGENHARIA" não cabe nessa faixa */
  .logo-text { display: none; }
  .logo-container { min-width: 40px; flex-shrink: 1; gap: 8px; }
}
@media (max-width: 1180px) {
  /* tablet/mobile: menu inline vira drawer (4 links + conta não cabem ao
     lado do logo; sem isso o header subia a 89 px e tapava o H1) */
  .b-nav { display: none; }
  .b-menu-btn { display: inline-flex; }
  /* D-05 (Fase 0.5): só o ícone ☰ até 480 px — o rótulo "Menu" cortava o
     botão na borda direita em 320–390 (right=374 em viewport 360). O botão
     mantém aria-label + "Abrir menu" invisível para leitor de tela. */
  .b-menu-rotulo { display: none; }
  .b-menu-btn { padding: 8px 12px; min-width: 44px; }
  .b-busca-rotulo { display: none; }
  .b-busca-btn { padding: 8px 12px; }
}
/* D-05 (Fase 0.5): "Meus Projetos" vira só-ícone no celular (aria-label do
   link preservado) — sem isso o header da biblioteca não fecha em 320–375. */
@media (max-width: 480px) {
  .ve-account-nav .ve-link-calc span { display: none; }
}
/* ≤339 px: nem com tudo compacto fecha — o seletor de tema sai (a escolha
   persiste; o botão volta em ≥340 px). */
@media (max-width: 339px) {
  .nav-container .ve-tema-wrap { display: none; }
}
@media (min-width: 1181px) {
  .b-menu-btn { display: none; }
  .b-drawer { display: none; }
}

/* --- Breadcrumb (§4.4-b: orientação + schema) ----------------- */
.b-breadcrumb { padding-block: var(--b-space-5) var(--b-space-2); }
.b-breadcrumb ol {
  list-style: none; display: flex; flex-wrap: wrap; gap: 6px;
  margin: 0; padding: 0; font-size: 0.8125rem; color: var(--text-muted);
}
.b-breadcrumb li + li::before { content: "›"; margin-right: 6px; color: var(--text-muted); }
.b-breadcrumb a { color: var(--text-muted); text-decoration: underline; text-underline-offset: 2px; }
.b-breadcrumb a:hover { color: var(--primary); }
.b-breadcrumb [aria-current="page"] { color: var(--text-body); font-weight: 700; }

/* --- EntryHeader (kicker · H1 · meta) ------------------------- */
.b-kicker {
  font-family: var(--font-heading);
  font-size: 0.75rem; font-weight: 800; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--primary); margin: var(--b-space-2) 0 var(--b-space-3);
}
.b-title {
  font-family: var(--font-heading);
  font-size: clamp(1.75rem, 4vw, 2.6rem);
  line-height: 1.15; color: var(--text-high);
  margin: 0 0 var(--b-space-4); letter-spacing: -0.02em;
}
.b-meta {
  display: flex; flex-wrap: wrap; gap: 4px 18px;
  font-size: 0.8125rem; color: var(--text-muted);
  margin-bottom: var(--b-space-5);
}
.b-meta time { color: var(--text-muted); }

/* --- DirectAnswer (resposta primeiro, §9.1) ------------------- */
.b-resposta {
  background: var(--primary-subtle);
  border-left: 4px solid var(--primary);
  border-radius: var(--radius-sm);
  padding: var(--b-space-4) var(--b-space-5);
  margin: 0 0 var(--b-space-5);
}
.b-resposta p { margin: 0; font-size: 1.0625rem; line-height: 1.7; color: var(--text-high); }
.b-resposta p + p { margin-top: var(--b-space-3); }

/* --- Corpo de leitura ----------------------------------------- */
.b-corpo { font-size: 1.0625rem; line-height: 1.7; color: var(--text-body); }
.b-corpo h2 {
  font-family: var(--font-heading); font-size: 1.4rem; line-height: 1.3;
  color: var(--text-high); margin: var(--b-space-7) 0 var(--b-space-3);
  letter-spacing: -0.01em;
}
.b-corpo h3 {
  font-family: var(--font-heading); font-size: 1.125rem;
  color: var(--text-high); margin: var(--b-space-6) 0 var(--b-space-2);
}
.b-corpo p { margin: 0 0 var(--b-space-4); }
.b-corpo ul, .b-corpo ol { margin: 0 0 var(--b-space-4); padding-left: 22px; }
.b-corpo li { margin-bottom: 6px; }
.b-corpo li::marker { color: var(--primary); }
.b-corpo a { color: var(--primary); text-underline-offset: 3px; overflow-wrap: anywhere; }
.b-corpo a:hover { color: var(--primary-hover); }
.b-corpo strong { color: var(--text-high); }
.b-corpo code {
  font-family: var(--font-mono); font-size: 0.9em;
  background: var(--wash); border-radius: 4px; padding: 1px 5px;
  overflow-wrap: anywhere;
}

[data-ve-tema="claro"] .b-corpo a { color: var(--primary); }
[data-ve-tema="claro"] .b-resposta p,
[data-ve-tema="claro"] .b-corpo strong { color: var(--text-high); }

/* --- KeyFacts (3–6 fatos) ------------------------------------- */
.b-keyfacts {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: var(--b-space-3); margin: 0 0 var(--b-space-5);
}
.b-keyfact {
  background: var(--bg-surface); border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm); padding: var(--b-space-3) var(--b-space-4);
}
.b-keyfact dt {
  font-size: 0.6875rem; font-weight: 800; letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--text-muted); margin: 0 0 4px;
}
.b-keyfact dd { margin: 0; font-size: 0.9375rem; line-height: 1.5; color: var(--text-high); font-weight: 600; }

/* --- Faixa de ações (AudienceCTA: salvar / baixar / alertar) -- */
.b-acoes {
  display: flex; flex-wrap: wrap; gap: var(--b-space-2);
  padding: var(--b-space-3) 0; margin: 0 0 var(--b-space-5);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}
.b-btn {
  display: inline-flex; align-items: center; gap: 6px;
  font-family: inherit; font-size: 0.8125rem; font-weight: 700;
  color: var(--text-high); background: var(--wash);
  border: 1px solid var(--border-subtle); border-radius: var(--radius-pill);
  padding: 9px 16px; cursor: pointer; text-decoration: none;
  min-height: 44px;
}
.b-btn:hover { background: var(--wash-strong); }
.b-btn-primary {
  background: var(--gradient); color: var(--on-accent); border: none;
}
.b-btn-primary:hover { background: var(--gradient-hover); color: var(--on-accent); }

/* --- CalculatorCTA (faixa fina) ------------------------------- */
.b-ctatool {
  display: flex; flex-wrap: wrap; gap: var(--b-space-2) var(--b-space-4);
  align-items: center; justify-content: space-between;
  border: 1px solid var(--border-subtle); border-left: 3px solid var(--primary);
  border-radius: var(--radius-sm); background: var(--bg-surface);
  padding: var(--b-space-3) var(--b-space-4); margin: 0 0 var(--b-space-5);
}
.b-ctatool b { display: block; color: var(--text-high); font-size: 0.9375rem; }
.b-ctatool span { display: block; color: var(--text-muted); font-size: 0.8125rem; margin-top: 2px; }
.b-ctatool a {
  color: var(--primary); font-weight: 800; font-size: 0.875rem;
  text-decoration: underline; text-underline-offset: 3px; white-space: nowrap;
}
.b-ctatool a:hover { color: var(--primary-hover); }

/* --- TOC (sticky desktop; <details> no mobile) ---------------- */
.b-toc-toggle { display: none; }
.b-toc nav[aria-label="Nesta página"] {
  display: none;
}
.b-toc-details { margin: 0 0 var(--b-space-5); }
.b-toc-details summary {
  cursor: pointer; font-weight: 700; color: var(--text-high);
  font-size: 0.9375rem; padding: var(--b-space-2) 0;
}
.b-toc ol { margin: 0; padding-left: 18px; font-size: 0.875rem; }
.b-toc li { margin-bottom: 6px; }
.b-toc a { color: var(--text-muted); text-decoration: underline; text-underline-offset: 2px; }
.b-toc a:hover { color: var(--primary); }

@media (min-width: 1024px) {
  .b-layout { display: grid; grid-template-columns: minmax(0, 1fr) 230px; gap: var(--b-space-6); align-items: start; }
  .b-toc-details { display: none; }
  .b-toc nav[aria-label="Nesta página"] {
    display: block; position: sticky; top: 96px;
    border-left: 2px solid var(--border-subtle);
    padding-left: var(--b-space-4); margin: 0;
  }
  .b-toc nav[aria-label="Nesta página"]::before {
    content: "Nesta página"; display: block;
    font-size: 0.6875rem; font-weight: 800; letter-spacing: 0.08em;
    text-transform: uppercase; color: var(--text-muted); margin-bottom: var(--b-space-2);
  }
}

/* --- Entradas em PC: mesma largura da visão geral -------------- */
/* A partir de 1024 px o artigo estica de 72ch para --b-wide-width,
   igual às páginas de visão geral — tabelas (min-width 480 px, 3–4
   colunas) passam a caber inteiras, sem scroll lateral. A prosa segue
   limitada a --b-reading-width para não virar linhas de ~100 caracteres;
   blocos "largos" (tabela, keyfacts, ações, CTA, autor) ocupam a coluna.
   Celular/tablet (<1024 px) não muda nada: regra toda vive no media query. */
@media (min-width: 1024px) {
  nav.b-breadcrumb.b-wrap,
  article.b-pagina-entrada { max-width: var(--b-wide-width); }

  .b-pagina-entrada .b-entry-head,
  .b-corpo > .b-toc-details,
  .b-corpo > .b-resposta,
  .b-corpo > h2, .b-corpo > h3, .b-corpo > p,
  .b-corpo > ul, .b-corpo > ol, .b-corpo > blockquote,
  .b-corpo > .b-norma, .b-corpo > .b-atencao,
  .b-corpo > .b-exemplo, .b-corpo > .b-erro-comum,
  .b-corpo > .b-faq {
    max-width: var(--b-reading-width);
  }
}

/* --- DataTable (caption · scope · scroll) --------------------- */
.b-tabela { margin: var(--b-space-5) 0; }
.b-tabela figcaption {
  font-size: 0.875rem; font-weight: 700; color: var(--text-high);
  margin-bottom: var(--b-space-2); text-align: left;
}
.b-tabela-wrap {
  overflow-x: auto; -webkit-overflow-scrolling: touch;
  border: 1px solid var(--border-subtle); border-radius: var(--radius-sm);
  background: var(--bg-surface);
}
.b-tabela-wrap:focus-visible { outline: 3px solid var(--focus-ring); outline-offset: 2px; }
.b-tabela table { border-collapse: collapse; width: 100%; font-size: 0.875rem; min-width: 480px; }
.b-tabela th, .b-tabela td {
  border: 1px solid var(--border-subtle); padding: 9px 11px;
  text-align: left; vertical-align: top;
}
.b-tabela thead th {
  background: var(--wash); color: var(--text-high);
  font-size: 0.6875rem; text-transform: uppercase; letter-spacing: 0.06em;
}
.b-tabela td { color: var(--text-body); }
.b-tabela .num { text-align: right; font-variant-numeric: tabular-nums; }
.b-tabela figcaption small, .b-fonte-tabela {
  display: block; margin-top: var(--b-space-2);
  font-size: 0.75rem; color: var(--text-muted);
}

/* --- NormCallout / Atenção / Exemplo / Erro comum ------------- */
.b-norma, .b-atencao, .b-exemplo, .b-erro-comum {
  border-radius: var(--radius-sm); padding: var(--b-space-4);
  margin: var(--b-space-5) 0; background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
}
.b-norma { border-left: 4px solid var(--primary); }
.b-atencao { border-left: 4px solid var(--status-warn); }
.b-atencao .b-rotulo { color: var(--status-warn-text); }
.b-erro-comum { border-left: 4px solid var(--status-bad); }
.b-erro-comum .b-rotulo { color: var(--status-bad-text); }
.b-exemplo { border-left: 4px solid var(--status-ok); }
.b-exemplo .b-rotulo { color: var(--status-ok-text); }
.b-norma .b-rotulo, .b-exemplo .b-rotulo { color: var(--primary); }
.b-norma .b-rotulo, .b-atencao .b-rotulo, .b-exemplo .b-rotulo, .b-erro-comum .b-rotulo {
  display: block; font-size: 0.6875rem; font-weight: 800;
  letter-spacing: 0.08em; text-transform: uppercase; margin-bottom: 6px;
}
.b-norma p, .b-atencao p, .b-exemplo p, .b-erro-comum p { margin: 0; }
.b-norma p + p, .b-atencao p + p, .b-exemplo p + p, .b-erro-comum p + p { margin-top: var(--b-space-3); }
.b-norma cite { font-style: normal; font-size: 0.8125rem; color: var(--text-muted); }

/* --- FAQ (details nativo) ------------------------------------- */
.b-faq { margin: var(--b-space-5) 0; }
.b-faq details {
  border: 1px solid var(--border-subtle); border-radius: var(--radius-sm);
  background: var(--bg-surface); margin-bottom: var(--b-space-2);
}
.b-faq summary {
  cursor: pointer; padding: var(--b-space-3) var(--b-space-4);
  font-weight: 700; color: var(--text-high); font-size: 0.9375rem;
  list-style-position: inside;
}
.b-faq summary:hover { color: var(--primary); }
.b-faq details[open] summary { border-bottom: 1px solid var(--border-subtle); }
.b-faq details > div { padding: var(--b-space-3) var(--b-space-4); color: var(--text-body); font-size: 0.9375rem; line-height: 1.65; }

/* --- Fontes ---------------------------------------------------- */
.b-fontes { margin: var(--b-space-6) 0 0; }
.b-fontes ol { padding-left: 20px; font-size: 0.875rem; color: var(--text-muted); }
.b-fontes li { margin-bottom: 8px; overflow-wrap: anywhere; }
.b-fontes a { color: var(--primary); text-underline-offset: 2px; word-break: break-word; }

/* --- AuthorBox ------------------------------------------------- */
.b-autor {
  display: flex; flex-wrap: wrap; gap: var(--b-space-3);
  align-items: flex-start; background: var(--bg-surface);
  border: 1px solid var(--border-subtle); border-radius: var(--radius-sm);
  padding: var(--b-space-4); margin: var(--b-space-6) 0 0;
}
.b-autor-avatar {
  width: 44px; height: 44px; border-radius: 50%;
  background: var(--primary-subtle); color: var(--primary);
  display: flex; align-items: center; justify-content: center;
  font-weight: 800; font-size: 1.05rem; flex-shrink: 0;
}
.b-autor small { display: block; color: var(--text-muted); font-size: 0.6875rem; font-weight: 800; text-transform: uppercase; letter-spacing: 0.08em; }
.b-autor b { display: block; color: var(--text-high); font-size: 0.9375rem; }
.b-autor span { display: block; color: var(--text-muted); font-size: 0.8125rem; line-height: 1.55; margin-top: 2px; }
.b-revisao {
  margin-top: var(--b-space-3); font-size: 0.75rem; color: var(--text-muted);
  border-top: 1px dashed var(--border-subtle); padding-top: var(--b-space-3);
}

/* --- RelatedGrid ---------------------------------------------- */
.b-relacionados { margin: var(--b-space-6) 0 0; }
.b-relacionados h2, .b-secao-titulo {
  font-family: var(--font-heading); font-size: 1.2rem;
  color: var(--text-high); margin: 0 0 var(--b-space-4);
}
.b-grid-cards {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: var(--b-space-3);
}
.b-card {
  display: flex; flex-direction: column; gap: 6px;
  background: var(--bg-surface); border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm); padding: var(--b-space-4);
  text-decoration: none; color: var(--text-body);
}
.b-card:hover { border-color: var(--primary); }
.b-card b { color: var(--text-high); font-size: 0.9375rem; line-height: 1.35; }
.b-card span { font-size: 0.8125rem; line-height: 1.5; color: var(--text-muted); }
.b-card small { font-size: 0.6875rem; font-weight: 800; letter-spacing: 0.08em; text-transform: uppercase; color: var(--primary); }

/* --- Hub / coleção / categoria -------------------------------- */
.b-hero { padding: var(--b-space-6) 0 var(--b-space-5); }
.b-hero .b-title { margin-bottom: var(--b-space-3); }
.b-hero p { color: var(--text-body); font-size: 1.0625rem; line-height: 1.7; max-width: 62ch; margin: 0 0 var(--b-space-5); }
.b-lista-entradas { list-style: none; margin: 0; padding: 0; }
.b-lista-entradas li { border-bottom: 1px solid var(--border-subtle); }
.b-lista-entradas a {
  display: flex; flex-direction: column; gap: 4px;
  padding: var(--b-space-4) var(--b-space-2); text-decoration: none;
}
.b-lista-entradas b { color: var(--text-high); font-size: 1rem; }
.b-lista-entradas a:hover b { color: var(--primary); }
.b-lista-entradas span { color: var(--text-muted); font-size: 0.875rem; line-height: 1.5; }
.b-lista-entradas time { color: var(--text-muted); font-size: 0.75rem; }

/* --- Barra inferior mobile (entradas: Calcular · Salvar) ------ */
.b-barra {
  display: none;
}
@media (max-width: 767px) {
  /* D-21 (Fase 0.5): a barra fixa não pode cobrir o rodapé — o espaço dela
     (com safe-area) vira padding do RODAPÉ (último elemento da página). */
  .b-pagina-entrada .b-main { padding-bottom: 0; }
  .b-pagina-entrada .standardFoot {
    padding-bottom: calc(86px + env(safe-area-inset-bottom, 0px));
  }
  .b-pagina-entrada .b-barra {
    display: flex; position: fixed; left: 0; right: 0; bottom: 0; z-index: 900;
    gap: var(--b-space-2); padding: 10px 12px calc(10px + env(safe-area-inset-bottom, 0px));
    background: var(--glass); backdrop-filter: blur(16px);
    border-top: 1px solid var(--border-subtle);
  }
  .b-barra .b-btn { flex: 1; justify-content: center; }
}

/* --- ValidationModal (1 campo · 2 canais · sem gate) ---------- */
.b-modal {
  position: fixed; inset: 0; z-index: 1500; display: none;
  align-items: center; justify-content: center; padding: var(--b-space-4);
  background: var(--scrim);
}
.b-modal[open], .b-modal.b-modal-aberto { display: flex; }
.b-modal-caixa {
  background: var(--bg-elevated); border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md); max-width: 420px; width: 100%;
  padding: var(--b-space-5); box-shadow: var(--shadow-lg);
}
.b-modal-caixa h2 { font-family: var(--font-heading); font-size: 1.15rem; color: var(--text-high); margin: 0 0 var(--b-space-2); }
.b-modal-caixa p { color: var(--text-muted); font-size: 0.875rem; line-height: 1.55; margin: 0 0 var(--b-space-4); }
.b-canal {
  display: grid; grid-template-columns: 1fr 1fr; gap: 4px;
  background: var(--bg-well); border-radius: var(--radius-pill);
  padding: 4px; margin-bottom: var(--b-space-4);
}
.b-canal button {
  font-family: inherit; font-size: 0.8125rem; font-weight: 700;
  background: transparent; border: none; border-radius: var(--radius-pill);
  color: var(--text-muted); padding: 8px 12px; cursor: pointer; min-height: 40px;
}
.b-canal button[aria-pressed="true"] { background: var(--primary); color: var(--on-accent); }
.b-modal label { display: block; font-size: 0.8125rem; font-weight: 700; color: var(--text-high); margin-bottom: 6px; }
.b-modal input {
  width: 100%; box-sizing: border-box; font-family: inherit; font-size: 1rem;
  background: var(--bg-surface); border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm); color: var(--text-high);
  padding: 12px; margin-bottom: var(--b-space-3);
}
.b-modal input:focus-visible { outline: 3px solid var(--focus-ring); outline-offset: 1px; }
.b-modal-erro { display: none; color: var(--status-bad-text); font-size: 0.8125rem; margin-bottom: var(--b-space-3); }
.b-modal-erro.visivel { display: block; }
.b-modal-fechar {
  float: right; background: transparent; border: none; cursor: pointer;
  color: var(--text-muted); font-size: 1.3rem; line-height: 1;
  padding: 4px; min-width: 44px; min-height: 44px;
}
.b-modal-estado { font-size: 0.875rem; line-height: 1.55; color: var(--text-body); }
.b-modal-estado.b-sucesso { color: var(--status-ok-text); }
.b-estado-enviando { color: var(--text-muted); }

/* --- Impressão (§9.10: impressão limpa) ----------------------- */
@media print {
  .b-barra, .b-modal, .b-acoes, .b-ctatool, header.app-header, footer.standardFoot, .b-toc { display: none !important; }
  .b-main { padding-top: 0; }
  body { background: #fff !important; color: #111 !important; }
  .b-corpo, .b-corpo p, .b-corpo li, .b-tabela td { color: #111 !important; }
  .b-corpo h1, .b-corpo h2, .b-corpo h3, .b-tabela th, .b-title { color: #000 !important; }
  .b-corpo a { color: #0e7490 !important; }
  .b-print-url { display: block !important; font-size: 10px; color: #444; margin-top: 24px; }
}
.b-print-url { display: none; }

/* --- Movimento reduzido --------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  .b-main *, .b-modal * { scroll-behavior: auto !important; transition: none !important; animation: none !important; }
}

/* --- Home da biblioteca (§9.4) ------------------------------------ */
.b-prova {
  display: flex; flex-wrap: wrap; gap: 6px 18px; justify-content: flex-start;
  font-size: 0.8125rem; color: var(--text-muted); margin: var(--b-space-4) auto 0;
}
.b-hero-busca { display: flex; justify-content: flex-start; gap: 10px; margin-top: var(--b-space-5); flex-wrap: wrap; }
.b-hero-busca .b-busca-btn {
  min-width: 220px; justify-content: flex-start; padding: 14px 18px;
  background: var(--bg-surface); font-size: 1rem; color: var(--text-muted);
}
.b-hero-acoes { display: flex; gap: 10px; justify-content: flex-start; margin-top: var(--b-space-3); flex-wrap: wrap; }
.b-hero-acoes a {
  display: inline-flex; align-items: center; min-height: 48px;
  padding: 12px 20px; border-radius: var(--radius-pill); font-weight: 700;
  text-decoration: none; font-size: 0.9375rem;
}
.b-hero-acoes .b-acao-primaria { background: var(--gradient); color: var(--on-accent); /* mesmo contrato do .btn-primary do portal: texto escuro sobre o ciano (AA) */ }
.b-hero-acoes .b-acao-primaria:hover { background: var(--gradient-hover); color: var(--on-accent); }
.b-hero-acoes .b-acao-secundaria { border: 1px solid var(--border-strong); color: var(--text-body); }
.b-hero-acoes .b-acao-secundaria:hover { color: var(--primary); border-color: var(--primary); }

/* perfis "comece por aqui" */
.b-perfis { display: grid; gap: var(--b-space-3); grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); }
.b-perfil {
  display: grid; gap: 6px; padding: var(--b-space-4); border-radius: var(--radius-md);
  background: var(--bg-surface); border: 1px solid var(--border-subtle);
  text-decoration: none; color: var(--text-body);
}
.b-perfil:hover { border-color: var(--primary); }
.b-perfil b { color: var(--text-high); font-family: var(--font-heading); }
.b-perfil small { color: var(--text-muted); font-weight: 700; text-transform: uppercase; letter-spacing: 0.06em; font-size: 0.6875rem; }
.b-perfil span { font-size: 0.9375rem; }
.b-perfil .b-perfil-cta { color: var(--primary); font-weight: 700; font-size: 0.875rem; }

/* newsletter (placeholder hidratado pelo ve-sdk: data-ve-newsletter) */
.b-news {
  display: grid; gap: var(--b-space-2); padding: var(--b-space-5);
  border-radius: var(--radius-md); background: var(--primary-subtle);
  border: 1px solid var(--border-subtle); margin: var(--b-space-6) 0;
}
.b-news b { font-family: var(--font-heading); font-size: 1.125rem; color: var(--text-high); }
.b-news p { margin: 0; color: var(--text-body); }

/* --- Glossário (A–Z) ----------------------------------------------- */
.b-glossario { display: grid; gap: var(--b-space-3); }
.b-glossario dt { font-weight: 800; color: var(--text-high); font-family: var(--font-heading); margin-top: var(--b-space-3); }
.b-glossario dd { margin: 2px 0 0; color: var(--text-body); }
.b-glossario-grupo { margin: var(--b-space-6) 0 var(--b-space-2); font-size: 1.25rem; color: var(--primary); font-family: var(--font-heading); }

/* --- Busca overlay (T3 — Pagefind; sheet redesenhado na Fase 0.5/D-18) --- */
.b-busca-overlay {
  position: fixed; inset: 0; z-index: 3000;
  background: color-mix(in srgb, #000 55%, transparent);
  display: flex; flex-direction: column; align-items: center;
  padding: 10vh 16px 16px;
}
/* Sheet com hierarquia: cabeçalho (título + contagem + fechar), campo,
   dica de teclado e resultados roláveis. No mobile vira sheet de tela cheia. */
.b-busca-sheet {
  display: flex; flex-direction: column;
  width: min(640px, 100%); max-height: 80vh; overflow: hidden;
  background: var(--bg-elevated); border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg); box-shadow: var(--shadow-lg);
  padding: var(--b-space-4);
}
.b-busca-cab {
  display: flex; align-items: baseline; gap: 10px;
  margin-bottom: var(--b-space-3);
}
.b-busca-titulo { font-family: var(--font-heading); font-size: 1.05rem; color: var(--text-high); }
.b-busca-contagem { font-size: 0.8125rem; color: var(--text-muted); margin-right: auto; }
.b-busca-caixa { display: flex; gap: 8px; }
.b-busca-caixa input {
  flex: 1; min-width: 0; min-height: 52px; padding: 12px 18px;
  border-radius: var(--radius-md); border: 1px solid var(--border-strong);
  background: var(--bg-surface); color: var(--text-high);
  font-size: 1rem; font-family: inherit;
}
.b-busca-caixa input:focus-visible { outline: 3px solid var(--focus-ring); outline-offset: 2px; }
.b-busca-enviar {
  min-height: 52px; padding: 0 20px; border-radius: var(--radius-md);
  border: 1px solid var(--primary); background: var(--primary);
  color: var(--on-accent); font-family: inherit; font-weight: 800;
  font-size: .9375rem; cursor: pointer; white-space: nowrap;
}
.b-busca-enviar:hover { background: var(--primary-hover); border-color: var(--primary-hover); }
.b-busca-enviar:focus-visible { outline: 3px solid var(--focus-ring); outline-offset: 2px; }
.b-busca-fechar {
  min-width: 52px; min-height: 52px; border-radius: var(--radius-md);
  border: 1px solid var(--border-strong); background: var(--bg-elevated);
  color: var(--text-high); font-size: 1rem; cursor: pointer;
}
.b-busca-dica {
  margin: var(--b-space-2) 0 0; font-size: 0.75rem; color: var(--text-muted);
}
.b-busca-dica kbd {
  font-family: var(--font-mono); font-size: 0.7rem;
  background: var(--wash); border: 1px solid var(--border-subtle);
  border-radius: 4px; padding: 1px 5px;
}
/* Corpo rolável: a área da IA e a lista de matches rolam JUNTAS — a
   resposta nasce no topo e o usuário continua descendo para os resultados. */
.b-busca-corpo {
  flex: 1; min-height: 0; overflow-y: auto;
  margin-top: var(--b-space-3); padding-right: 2px;
  display: grid; gap: 8px; align-content: start;
}
.b-busca-resultados {
  display: grid; gap: 8px;
}
.b-busca-item {
  display: grid; gap: 4px; padding: 12px 16px;
  border-radius: var(--radius-sm); background: var(--bg-surface);
  border: 1px solid var(--border-subtle); color: var(--text-body);
  text-decoration: none;
}
.b-busca-item:focus-visible { outline: 3px solid var(--focus-ring); outline-offset: 2px; }
.b-busca-item:hover { border-color: var(--primary); }
.b-busca-item b { color: var(--text-high); }
.b-busca-item span { font-size: 0.875rem; color: var(--text-muted); }
.b-busca-item mark, .b-busca-resultados mark {
  background: var(--primary-subtle); color: var(--primary);
  padding: 0 2px; border-radius: 2px;
}
.b-busca-vazio {
  color: var(--text-muted); background: var(--bg-surface);
  border: 1px solid var(--border-subtle); border-radius: var(--radius-sm);
  padding: 12px 16px;
}
/* Mobile: sheet de tela cheia (barra 44 no topo, campo fixo, resultados roláveis) */
@media (max-width: 640px) {
  .b-busca-overlay { padding: 0; }
  .b-busca-sheet { width: 100%; max-height: 100vh; max-height: 100dvh; height: 100vh; height: 100dvh; border-radius: 0; border: none; }
  .b-busca-resultados { max-height: none; }
}
/* o atributo hidden precisa vencer o display:flex acima — sem isso o
   overlay cobre a página inteira com JS desligado (busca degrada) */
.b-busca-overlay[hidden] { display: none; }

/* === Fase 0.6: resposta da IA (visão geral ancorada) ================
   Estados: reservado (espaço já reservado enquanto digita), carregando
   (esqueleto), pronto (síntese + parágrafos por ferramenta/ficha + normas)
   e erro (lista abaixo continua valendo). Tudo com tokens do design system. */
.b-ia-area { margin: 0 0 14px; }
.b-ia-area:empty { display: none; }
.b-ia {
  border: 1px solid var(--border-subtle);
  border-left: 3px solid var(--primary);
  border-radius: var(--radius-md);
  background:
    linear-gradient(180deg, var(--primary-subtle), transparent 72%),
    var(--bg-elevated);
  padding: 14px 16px 12px;
  margin: 0 0 14px;
}
.b-ia[data-estado="reservado"] {
  border-style: dashed;
  border-left-style: solid;
  background: var(--bg-surface);
}
.b-ia[data-estado="erro"] {
  border-left-color: var(--status-warn);
  background: var(--bg-surface);
}
.b-ia-cab {
  display: flex; flex-wrap: wrap; align-items: center; gap: 6px 10px;
}
.b-ia-selo {
  display: inline-flex; align-items: center; gap: 6px;
  margin: 0;
  font-family: var(--font-heading);
  font-size: .72rem; font-weight: 800; letter-spacing: .09em;
  text-transform: uppercase; color: var(--primary);
}
.b-ia-tag {
  display: inline-block; padding: 2px 8px;
  border: 1px solid var(--border-subtle); border-radius: 999px;
  font-size: .68rem; font-weight: 700; color: var(--text-muted);
}
.b-ia-fontes { margin-left: auto; font-size: .72rem; color: var(--text-muted); }
.b-ia-dica, .b-ia-status {
  margin: 8px 0 0; font-size: .875rem; line-height: 1.55;
  color: var(--text-muted);
}
.b-ia-status { color: var(--text-body); }
.b-ia-esqueleto { display: grid; gap: 8px; margin-top: 12px; }
.b-ia-esqueleto span {
  display: block; height: 10px; border-radius: 6px;
  background: linear-gradient(90deg, var(--wash), var(--primary-subtle), var(--wash));
  opacity: .55;
}
.b-ia-esqueleto span:nth-child(1) { width: 92%; }
.b-ia-esqueleto span:nth-child(2) { width: 78%; }
.b-ia-esqueleto span:nth-child(3) { width: 64%; }
.b-ia-resumo {
  margin: 10px 0 0; max-width: 82ch; color: var(--text-high);
  font-size: 1rem; line-height: 1.65;
}
.b-ia-secao { margin-top: 16px; }
.b-ia-secao-titulo {
  margin: 0 0 8px;
  font-family: var(--font-heading); font-size: .72rem; font-weight: 800;
  letter-spacing: .08em; text-transform: uppercase; color: var(--text-muted);
}
.b-ia-itens { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.b-ia-item-link {
  display: grid; grid-template-columns: 34px minmax(0, 1fr); gap: 10px;
  align-items: start; padding: 10px 12px;
  border: 1px solid var(--border-subtle); border-radius: 10px;
  background: var(--bg-surface); text-decoration: none;
}
.b-ia-item-link:hover { border-color: var(--primary); }
.b-ia-item-link:focus-visible { outline: 3px solid var(--focus-ring); outline-offset: 2px; }
.b-ia-item-icone {
  width: 34px; height: 34px; display: grid; place-items: center;
  border-radius: 9px; background: var(--primary-subtle); font-size: 1rem;
}
.b-ia-item-corpo { display: grid; gap: 3px; min-width: 0; }
.b-ia-item-corpo b {
  color: var(--text-high); font-size: .9375rem; line-height: 1.35;
}
.b-ia-item-texto {
  max-width: 78ch; color: var(--text-body);
  font-size: .875rem; line-height: 1.55;
}
.b-ia-item-cta {
  color: var(--primary); font-size: .75rem; font-weight: 800;
  letter-spacing: .01em;
}
.b-ia-normas { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.b-ia-normas li {
  padding: 10px 12px; border: 1px dashed var(--border-subtle);
  border-radius: 10px; background: var(--wash);
}
.b-ia-normas b {
  display: block; color: var(--text-high);
  font-family: var(--font-heading); font-size: .9rem;
}
.b-ia-normas span {
  display: block; margin-top: 3px; max-width: 78ch;
  color: var(--text-body); font-size: .86rem; line-height: 1.55;
}
.b-ia-rodape {
  display: flex; flex-wrap: wrap; gap: 8px 12px; align-items: center;
  justify-content: space-between;
  margin-top: 14px; padding-top: 10px;
  border-top: 1px solid var(--border-subtle);
}
.b-ia-rodape p {
  margin: 0; max-width: 62ch;
  font-size: .72rem; line-height: 1.45; color: var(--text-muted);
}
.b-ia-acao {
  min-height: 40px; padding: 8px 14px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border-strong); background: transparent;
  color: var(--text-body); font-family: inherit; font-size: .8125rem;
  font-weight: 700; cursor: pointer;
}
.b-ia-acao:hover { border-color: var(--primary); color: var(--primary); }
.b-ia-acao:focus-visible { outline: 3px solid var(--focus-ring); outline-offset: 2px; }
@media (prefers-reduced-motion: no-preference) {
  .b-ia-esqueleto span { animation: b-ia-pulso 1.1s ease-in-out infinite; }
  .b-ia-esqueleto span:nth-child(2) { animation-delay: .15s; }
  .b-ia-esqueleto span:nth-child(3) { animation-delay: .3s; }
}
@keyframes b-ia-pulso {
  0%, 100% { opacity: .3; }
  50% { opacity: .7; }
}
@media (max-width: 640px) {
  .b-ia { padding: 12px 13px 10px; }
  .b-ia-fontes { margin-left: 0; width: 100%; }
  .b-ia-item-link { grid-template-columns: 30px minmax(0, 1fr); padding: 10px; }
  .b-ia-item-icone { width: 30px; height: 30px; }
  .b-ia-resumo { font-size: .95rem; }
}

/* Página /biblioteca/busca.html — dica da relação lista × IA. */
.b-busca-hint {
  width: min(640px, 100%); margin: 8px 0 0;
  font-size: .78rem; line-height: 1.5; color: var(--text-muted);
}

/* === Busca híbrida (Fase 0.4/T2): badge de origem + página busca.html === */
.b-busca-origem {
  display: inline-block;
  margin-left: 8px;
  padding: 1px 8px;
  border: 1px solid var(--line-subtle, rgba(255, 255, 255, .08));
  border-radius: 999px;
  font-size: .68rem;
  font-weight: 600;
  color: var(--text-muted, #a3b2c6);
  vertical-align: 1px;
}
.b-busca-form {
  display: flex;
  gap: 8px;
  width: min(640px, 100%);
  margin: 0;
}
.b-busca-form input {
  flex: 1; min-width: 0; min-height: 52px;
  padding: 12px 16px;
  border-radius: 12px;
  border: 1px solid var(--glass-border);
  background: var(--bg-base);
  color: var(--text-high);
  font-size: 1rem;
}
.b-busca-form input:focus-visible { outline: 3px solid var(--focus-ring); outline-offset: 2px; }
.b-busca-form button {
  min-height: 52px; padding: 12px 18px;
  border-radius: 12px;
  border: 1px solid var(--primary);
  background: var(--primary);
  color: #06121c;
  font-weight: 700;
  cursor: pointer;
}
.b-busca-form button:focus-visible { outline: 3px solid var(--focus-ring); outline-offset: 2px; }
.b-busca-form[hidden] { display: none; }
.b-pagina-resultados { margin: 0 0 2rem; }
.b-pagina-resultados:empty { display: none; }

/* 390/360: o campo precisa da largura toda — o botão desce. */
@media (max-width: 480px) {
  .b-busca-caixa, .b-busca-form { flex-wrap: wrap; }
  .b-busca-caixa input, .b-busca-form input { flex: 1 1 100%; }
  .b-busca-enviar, .b-busca-form button { width: 100%; }
}