/* iseib-biblioteca.css — Base de dados, Repositório e ISEIB Indica (site público, 1.23) */
.bp { --azul: #0055aa; --azul-esc: #002b54; --verm: #cc0000; --verm-viva: #e3263a; --tinta: #1d2b44; --suave: #5b6b84; --fundo: #f4f7fc; --borda: #e2e8f2;
      font-family: 'Open Sans', system-ui, sans-serif; color: var(--tinta); background: var(--fundo); }
.bp * { box-sizing: border-box; }
.bp h1, .bp h2, .bp h3 { font-family: 'Montserrat', system-ui, sans-serif; }
.bp-wrap { max-width: 1200px; margin: 0 auto; padding: 0 20px; position: relative; z-index: 1; }

.bp-hero { position: relative; overflow: hidden; color: #fff; padding: 64px 0 88px; background: linear-gradient(120deg, var(--azul-esc) 0%, var(--azul) 55%, #3a6fd0 100%); }
.bp-hero h1 { font-size: clamp(2rem, 4.5vw, 3.2rem); font-weight: 800; margin: 14px 0 10px; letter-spacing: -.02em; }
.bp-hero p { max-width: 640px; font-size: 1.08rem; line-height: 1.6; opacity: .92; margin: 0; }
.bp-selo { display: inline-flex; gap: 8px; align-items: center; background: rgba(255,255,255,.14); border: 1px solid rgba(255,255,255,.28); padding: 6px 14px; border-radius: 999px; font-size: .8rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; }
.bp-hero-faixas { position: absolute; inset: 0; pointer-events: none; }
.bp-hero-faixas i { position: absolute; right: -60px; height: 56px; width: 46%; background: var(--verm-viva); transform: skewX(-32deg); border-radius: 6px; opacity: .9; }
.bp-hero-faixas i:nth-child(1) { top: 26%; width: 30%; }
.bp-hero-faixas i:nth-child(2) { top: 48%; right: -20px; opacity: .7; }
.bp-hero-faixas i:nth-child(3) { top: 70%; width: 22%; opacity: .5; }

.bp-busca { margin: -44px auto 28px; background: #fff; border-radius: 20px; box-shadow: 0 18px 40px rgba(0, 43, 84, .14); padding: 18px; display: grid; gap: 12px; position: relative; z-index: 2; }
.bp-busca-linha { display: flex; gap: 10px; flex-wrap: wrap; }
.bp-busca input[type=search], .bp-busca select { flex: 1 1 220px; min-height: 48px; border: 1.5px solid var(--borda); border-radius: 12px; padding: 0 16px; font: inherit; color: var(--tinta); background: #fff; }
.bp-busca input[type=search] { flex: 3 1 320px; font-size: 1.02rem; }
.bp-busca input:focus, .bp-busca select:focus { outline: 3px solid rgba(0, 85, 170, .25); border-color: var(--azul); }
.bp-btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 48px; padding: 0 22px; border: 0; border-radius: 999px; background: var(--azul); color: #fff !important; font-weight: 700; text-decoration: none; cursor: pointer; font-family: 'Montserrat', sans-serif; font-size: .92rem; transition: transform .15s, background .15s; }
.bp-btn:hover { background: #00418a; transform: translateY(-1px); }
.bp-btn-sec { background: #fff; color: var(--azul) !important; border: 1.5px solid var(--azul); }
.bp-btn-sec:hover { background: #eef4fd; }
.bp-btn-verm { background: var(--verm); }
.bp-btn-verm:hover { background: #a80000; }
.bp-btn:focus-visible, .bp-chip:focus-visible, .bp a:focus-visible { outline: 3px solid var(--verm); outline-offset: 3px; }

.bp-chips { display: flex; gap: 8px; flex-wrap: wrap; }
.bp-chip { display: inline-flex; align-items: center; gap: 6px; min-height: 38px; padding: 0 14px; border-radius: 999px; border: 1.5px solid var(--borda); background: #fff; color: var(--suave); text-decoration: none; font-weight: 600; font-size: .88rem; cursor: pointer; }
.bp-chip[aria-current="true"], .bp-chip[aria-pressed="true"] { background: var(--azul); color: #fff; border-color: var(--azul); }

.bp-secao { padding: 8px 0 64px; }
.bp-titulo-secao { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; flex-wrap: wrap; margin: 6px 0 16px; }
.bp-titulo-secao h2 { font-size: 1.4rem; font-weight: 800; color: var(--azul-esc); margin: 0; }
.bp-titulo-secao small { color: var(--suave); }
.bp-aviso { background: #fff7e6; border: 1px solid #f1d39b; color: #6b4b00; border-radius: 14px; padding: 16px 18px; margin: 16px 0; }
.bp-vazio { text-align: center; padding: 48px 20px; color: var(--suave); background: #fff; border-radius: 20px; border: 1.5px dashed var(--borda); }
.bp-vazio i { font-size: 2.2rem; color: #b6c4da; display: block; margin-bottom: 10px; }

/* atalhos externos */
.bp-atalhos { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 14px; margin-bottom: 30px; }
.bp-atalho { display: flex; gap: 14px; align-items: center; background: #fff; border-radius: 18px; padding: 16px 18px; text-decoration: none; color: var(--tinta); box-shadow: 0 2px 8px rgba(0, 43, 84, .06); border: 1px solid var(--borda); transition: transform .15s, box-shadow .15s; }
.bp-atalho:hover { transform: translateY(-2px); box-shadow: 0 10px 24px rgba(0, 43, 84, .12); }
.bp-atalho i { width: 46px; height: 46px; border-radius: 14px; display: grid; place-items: center; background: linear-gradient(135deg, var(--azul), var(--verm)); color: #fff; flex-shrink: 0; }
.bp-atalho strong { display: block; font-family: 'Montserrat', sans-serif; }
.bp-atalho small { color: var(--suave); }

/* referências */
.bp-refs { display: grid; gap: 12px; }
.bp-ref { background: #fff; border-radius: 18px; padding: 18px 20px; border: 1px solid var(--borda); display: grid; gap: 8px; }
.bp-ref-top { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.bp-tag { display: inline-block; font-size: .72rem; font-weight: 800; letter-spacing: .05em; text-transform: uppercase; padding: 3px 10px; border-radius: 999px; background: #e8f0fb; color: var(--azul); }
.bp-tag-verde { background: #e4f6ec; color: #11713d; }
.bp-tag-cinza { background: #eef1f6; color: #4a5872; }
.bp-ref-texto { font-size: .98rem; line-height: 1.6; margin: 0; }
.bp-ref details { font-size: .92rem; color: var(--suave); }
.bp-ref details summary { cursor: pointer; color: var(--azul); font-weight: 600; }
.bp-ref-acoes { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }
.bp-link { color: var(--azul); font-weight: 700; text-decoration: none; display: inline-flex; gap: 6px; align-items: center; background: none; border: 0; padding: 0; font: inherit; font-weight: 700; cursor: pointer; }
.bp-link:hover { text-decoration: underline; }

/* repositório */
.bp-trabalhos { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 18px; }
.bp-trabalho { background: #fff; border-radius: 20px; border: 1px solid var(--borda); padding: 22px; display: flex; flex-direction: column; gap: 10px; position: relative; overflow: hidden; transition: transform .15s, box-shadow .15s; }
.bp-trabalho::before { content: ''; position: absolute; inset: 0 0 auto 0; height: 5px; background: linear-gradient(90deg, var(--azul), var(--verm)); }
.bp-trabalho:hover { transform: translateY(-3px); box-shadow: 0 16px 32px rgba(0, 43, 84, .12); }
.bp-trabalho h3 { font-size: 1.05rem; line-height: 1.35; margin: 0; color: var(--azul-esc); }
.bp-autor { display: flex; gap: 10px; align-items: center; }
.bp-avatar { width: 40px; height: 40px; border-radius: 50%; display: grid; place-items: center; background: linear-gradient(135deg, var(--azul), var(--verm)); color: #fff; font-weight: 800; font-family: 'Montserrat', sans-serif; flex-shrink: 0; }
.bp-autor strong { display: block; }
.bp-autor small, .bp-meta { color: var(--suave); font-size: .86rem; }
.bp-resumo { color: #3d4c63; font-size: .92rem; line-height: 1.55; margin: 0; display: -webkit-box; -webkit-line-clamp: 4; -webkit-box-orient: vertical; overflow: hidden; }
.bp-trabalho .bp-btn { margin-top: auto; align-self: flex-start; }

.bp-leitura { display: grid; grid-template-columns: minmax(0, 1fr) 320px; gap: 22px; align-items: start; margin-top: -44px; position: relative; z-index: 2; }
.bp-leitor { background: #fff; border-radius: 20px; box-shadow: 0 18px 40px rgba(0, 43, 84, .14); overflow: hidden; }
.bp-leitor-barra { display: flex; justify-content: space-between; gap: 10px; flex-wrap: wrap; align-items: center; padding: 12px 16px; border-bottom: 1px solid var(--borda); }
.bp-leitor iframe { display: block; width: 100%; height: min(82vh, 1100px); border: 0; background: #525659; }
.bp-ficha { background: #fff; border-radius: 20px; padding: 22px; border: 1px solid var(--borda); display: grid; gap: 14px; position: sticky; top: 90px; }
.bp-ficha dl { display: grid; grid-template-columns: auto 1fr; gap: 6px 12px; margin: 0; font-size: .92rem; }
.bp-ficha dt { color: var(--suave); font-weight: 600; }
.bp-ficha dd { margin: 0; }
.bp-citar { background: var(--fundo); border-radius: 12px; padding: 12px; font-size: .86rem; line-height: 1.5; }

/* ISEIB Indica */
.bp-destaque { display: grid; grid-template-columns: 220px 1fr; gap: 28px; align-items: center; background: linear-gradient(120deg, #fff 0%, #eef4fd 100%); border-radius: 26px; padding: 26px; border: 1px solid var(--borda); margin-bottom: 30px; }
.bp-indicas { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 20px; }
.bp-indica { background: none; border: 0; padding: 0; text-align: left; cursor: pointer; font: inherit; color: inherit; display: grid; gap: 8px; }
.bp-indica[hidden] { display: none; }
.bp-capa { position: relative; aspect-ratio: 2 / 3; border-radius: 16px; overflow: hidden; box-shadow: 0 10px 24px rgba(0, 43, 84, .16); transition: transform .2s, box-shadow .2s; background: linear-gradient(150deg, var(--azul) 0%, var(--azul-esc) 60%, var(--verm) 140%); }
.bp-capa img { width: 100%; height: 100%; object-fit: cover; display: block; }
.bp-capa-gerada { position: absolute; inset: 0; display: flex; flex-direction: column; justify-content: space-between; padding: 16px; color: #fff; }
.bp-capa-gerada i { font-size: 1.8rem; opacity: .85; }
.bp-capa-gerada strong { font-family: 'Montserrat', sans-serif; font-size: 1.05rem; line-height: 1.25; }
.bp-capa .bp-tag { position: absolute; top: 10px; left: 10px; background: rgba(255,255,255,.95); }
.bp-indica:hover .bp-capa, .bp-indica:focus-visible .bp-capa { transform: translateY(-4px) rotate(-.6deg); box-shadow: 0 18px 34px rgba(0, 43, 84, .24); }
.bp-indica h3 { font-size: .98rem; margin: 0; color: var(--azul-esc); }
.bp-indica small { color: var(--suave); }
.bp-dialogo { border: 0; border-radius: 24px; padding: 0; max-width: 720px; width: calc(100% - 32px); box-shadow: 0 30px 80px rgba(0, 0, 0, .35); }
.bp-dialogo::backdrop { background: rgba(0, 27, 54, .6); }
.bp-dialogo-corpo { display: grid; grid-template-columns: 200px 1fr; gap: 22px; padding: 24px; }
.bp-dialogo h2 { margin: 0 0 4px; color: var(--azul-esc); font-size: 1.4rem; }
.bp-dialogo blockquote { margin: 12px 0; padding: 12px 16px; border-left: 4px solid var(--verm); background: var(--fundo); border-radius: 0 12px 12px 0; font-style: italic; }
.bp-fechar { position: absolute; top: 12px; right: 12px; width: 40px; height: 40px; border-radius: 50%; border: 0; background: #eef1f6; cursor: pointer; font-size: 1.2rem; }

.sb-paginas { display: flex; gap: 6px; justify-content: center; padding: 22px 0 0; flex-wrap: wrap; }
.sb-paginas a, .sb-paginas span { min-width: 40px; min-height: 40px; display: grid; place-items: center; border-radius: 12px; text-decoration: none; color: var(--azul); background: #fff; border: 1px solid var(--borda); font-weight: 700; }
.sb-paginas a[aria-current] { background: var(--azul); color: #fff; }

@media (max-width: 900px) {
  .bp-leitura { grid-template-columns: 1fr; }
  .bp-ficha { position: static; }
  .bp-destaque { grid-template-columns: 1fr; }
  .bp-destaque .bp-capa { max-width: 200px; }
}
@media (max-width: 600px) {
  .bp-hero { padding: 44px 0 78px; }
  .bp-dialogo-corpo { grid-template-columns: 1fr; }
  .bp-dialogo-corpo .bp-capa { max-width: 160px; }
  .bp-indicas { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
  .bp-leitor iframe { height: 70vh; }
}
@media (prefers-reduced-motion: reduce) { .bp * { transition: none !important; animation: none !important; } }
.bp .visually-hidden { position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }