/* ==========================================================
   Biblioteca Virtual B7
   Conceito: a sala de leitura da editora. Estantes por coleção, cada livro
   com etiqueta de número de chamada na lombada, e um leitor que abre o
   livro em página dupla. Usa os tokens do Brigiverso Editorial (editorial.css).
   ========================================================== */
:root{
  --bib-madeira:#2A1E14;        /* prateleira */
  --bib-madeira-luz:#5A4330;
  --bib-etiqueta:#FFFDF6;       /* etiqueta da lombada */
  --bib-sala:#0A1426;           /* fundo do leitor */
  --bib-sala-2:#13213B;
  --bib-papel-livro:#FFFEFB;
  --bib-ok:#1F6B47;
}

/* ---------- Abertura ---------- */
.bib-abre{border-bottom:1px solid var(--fio);padding-block:clamp(36px,5vw,72px) clamp(40px,5vw,64px)}
.bib-abre-g{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);gap:clamp(32px,5vw,80px);align-items:center}
.bib-abre h1{font-family:var(--f-disp);font-weight:350;font-size:clamp(42px,5.6vw,88px);line-height:.98;letter-spacing:-.025em;margin:14px 0 22px;max-width:13ch;text-wrap:balance}
.bib-abre h1 em{font-style:italic;font-weight:300}
.bib-abre .lead{max-width:52ch;margin:0 0 28px}
.bib-busca{display:flex;align-items:center;gap:12px;background:var(--papel);border:1.5px solid var(--tinta);padding:0 18px;min-height:58px;max-width:560px}
.bib-busca:focus-within{outline:2px solid var(--acento);outline-offset:3px}
.bib-busca svg{flex:none;width:20px;height:20px;color:var(--tinta-2)}
.bib-busca input{flex:1;min-width:0;border:0;background:none;font:400 18px/1.3 var(--f-txt);color:var(--tinta);outline:none;padding-block:14px}
.bib-busca input::placeholder{color:var(--tinta-2);opacity:.8}
.bib-busca kbd{font:500 11px/1 var(--f-mono);color:var(--tinta-2);border:1px solid var(--fio);padding:4px 6px}
.bib-sugestoes{display:flex;flex-wrap:wrap;gap:8px 16px;margin-top:14px;font:500 12px/1.5 var(--f-mono);letter-spacing:.04em;text-transform:uppercase;color:var(--tinta-2)}
.bib-sugestoes button{background:none;border:0;padding:0;color:var(--tinta);font:inherit;text-transform:none;letter-spacing:0;font-family:var(--f-txt);font-size:15px;border-bottom:1px solid var(--fio);cursor:pointer}
.bib-sugestoes button:hover{border-color:var(--acento)}

/* Livro aberto na abertura */
.bib-aberto{position:relative;margin:0;display:grid;gap:14px}
.bib-aberto-bt{display:block;width:100%;background:none;border:0;padding:0;cursor:pointer;perspective:1800px}
.bib-aberto-par{display:grid;grid-template-columns:1fr 1fr;transform:rotateX(8deg);transform-origin:50% 100%;box-shadow:0 30px 50px -24px rgba(6,27,56,.45);transition:transform .4s ease}
.bib-aberto-bt:hover .bib-aberto-par{transform:rotateX(3deg)}
.bib-aberto-par img{width:100%;height:auto;aspect-ratio:637/900;object-fit:cover;display:block;background:var(--bib-papel-livro)}
.bib-aberto-par img:first-child{box-shadow:inset -18px 0 24px -16px rgba(0,0,0,.4);filter:brightness(.98)}
.bib-aberto-par span{position:relative}
.bib-aberto-par span::after{content:"";position:absolute;inset:0;pointer-events:none}
.bib-aberto-par span:first-child::after{background:linear-gradient(90deg,transparent 78%,rgba(0,0,0,.22))}
.bib-aberto-par span:last-child::after{background:linear-gradient(90deg,rgba(0,0,0,.18),transparent 22%)}
.bib-aberto-selo{position:absolute;right:-10px;top:-14px;background:var(--acento);color:var(--noite);font:600 13px/1.2 var(--f-txt);padding:10px 14px;transform:rotate(3deg);box-shadow:0 6px 14px rgba(6,27,56,.2)}
.bib-aberto .legenda{display:flex;gap:10px;font-size:14px;color:var(--tinta-2)}

/* Ficha de números */
.bib-numeros{display:flex;flex-wrap:wrap;gap:10px 28px;margin-top:28px;padding-top:16px;border-top:1px solid var(--fio);font:500 12px/1.5 var(--f-mono);letter-spacing:.06em;text-transform:uppercase;color:var(--tinta-2)}
.bib-numeros b{font:400 26px/1 var(--f-disp);letter-spacing:-.01em;color:var(--tinta);text-transform:none;margin-right:6px;font-variant-numeric:tabular-nums}

/* ---------- Para folhear agora ---------- */
.bib-sec{padding-block:clamp(56px,7vw,104px)}
.bib-sec-topo{display:flex;justify-content:space-between;align-items:end;gap:16px 32px;flex-wrap:wrap;margin-bottom:clamp(24px,3vw,40px)}
.bib-sec-topo h2{font-family:var(--f-disp);font-weight:350;font-size:clamp(30px,3.6vw,52px);line-height:1.04;letter-spacing:-.02em;margin:0;max-width:20ch}
.bib-sec-topo h2 em{font-style:italic;font-weight:300}
.bib-sec-topo p{margin:0;color:var(--tinta-2);max-width:46ch}
.bib-destaques{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:clamp(16px,2.4vw,32px)}
.bib-dest{display:grid;grid-template-rows:auto 1fr;background:var(--papel-2);border:0;padding:0;text-align:left;color:var(--tinta);cursor:pointer;font:inherit}
.bib-dest-img{display:grid;grid-template-columns:1fr 1fr;gap:0;padding:clamp(18px,2.4vw,28px) clamp(18px,2.4vw,28px) 0;align-items:end}
.bib-dest-img img{width:100%;height:auto;display:block;object-fit:cover;box-shadow:0 10px 24px -12px rgba(6,27,56,.4)}
.bib-dest-img img:first-child{aspect-ratio:var(--r,637/900);box-shadow:inset -10px 0 16px -10px rgba(0,0,0,.35),0 10px 24px -12px rgba(6,27,56,.4)}
.bib-dest-img img:last-child{aspect-ratio:var(--r,637/900)}
.bib-dest.paisagem .bib-dest-img{grid-template-columns:1fr}

.bib-dest-txt{display:grid;gap:6px;align-content:start;padding:18px clamp(18px,2.4vw,28px) 22px;border-top:1px solid var(--fio);margin-top:clamp(18px,2.4vw,28px);background:var(--papel)}
.bib-dest-txt small{font:500 11px/1.4 var(--f-mono);letter-spacing:.08em;text-transform:uppercase;color:var(--tinta-2)}
.bib-dest-txt strong{font:400 24px/1.15 var(--f-disp);letter-spacing:-.01em}
.bib-dest-txt span{color:var(--tinta-2);font-size:16px;line-height:1.45}
.bib-dest-txt i{font-style:normal;font-weight:600;font-size:15px;margin-top:6px;border-bottom:1.5px solid var(--acento);justify-self:start;padding-bottom:2px}
.bib-dest:hover .bib-dest-txt i::after{transform:translateX(3px)}
.bib-dest-txt i::after{content:" →";display:inline-block;transition:transform .2s}

/* ---------- Barra de filtros ---------- */
.bib-barra{position:sticky;top:env(safe-area-inset-top,0px);z-index:30;background:color-mix(in srgb,var(--papel) 94%,transparent);backdrop-filter:blur(10px);border-block:1px solid var(--fio)}
.bib-barra-in{display:flex;align-items:center;gap:10px 18px;flex-wrap:wrap;padding-block:12px}
.bib-barra .bib-busca{min-height:44px;flex:1 1 260px;max-width:420px;border-width:1px;padding:0 14px}
.bib-barra .bib-busca input{font-size:16px;padding-block:10px}
.bib-segs{display:flex;gap:6px;flex-wrap:wrap}
.bib-segs button{background:none;border:1px solid var(--fio);color:var(--tinta);padding:8px 14px;font:500 14px/1 var(--f-txt);cursor:pointer;border-radius:999px}
.bib-segs button[aria-pressed="true"]{background:var(--noite);border-color:var(--noite);color:var(--papel)}
.bib-segs button:hover:not([aria-pressed="true"]){border-color:var(--tinta)}
.bib-conta{margin-left:auto;font:500 12px/1.4 var(--f-mono);letter-spacing:.06em;text-transform:uppercase;color:var(--tinta-2);white-space:nowrap}
.bib-conta b{color:var(--tinta);font-weight:500;font-variant-numeric:tabular-nums}

/* ---------- Estantes ---------- */
.bib-estantes{padding-block:clamp(32px,4vw,56px) clamp(56px,7vw,96px)}
.bib-estante{padding-block:28px 8px}
.bib-estante + .bib-estante{border-top:1px solid var(--fio);margin-top:20px}
.bib-est-cab{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:6px 24px;align-items:end;margin-bottom:22px}
.bib-est-cab h3{font:400 clamp(26px,2.6vw,36px)/1.05 var(--f-disp);letter-spacing:-.015em;margin:4px 0 0}
.bib-est-cab p{grid-column:1;margin:4px 0 0;color:var(--tinta-2);font-size:16px;font-style:italic;font-family:var(--f-disp);font-weight:300}
.bib-est-meta{font:500 11px/1.4 var(--f-mono);letter-spacing:.08em;text-transform:uppercase;color:var(--tinta-2);display:flex;gap:14px;flex-wrap:wrap}
.bib-est-meta b{color:var(--acento-texto);font-weight:500}
.bib-est-cab .e-link{grid-row:1/span 2;grid-column:2;align-self:end;font-size:15px;white-space:nowrap}
.bib-prateleira{position:relative}
.bib-fileira{display:flex;align-items:flex-end;gap:clamp(14px,1.6vw,22px);overflow-x:auto;overscroll-behavior-x:contain;scroll-snap-type:x proximity;padding:18px 4px 0;scrollbar-width:thin}
.bib-prateleira::after{content:"";display:block;height:14px;background:linear-gradient(var(--bib-madeira-luz),var(--bib-madeira) 40%);box-shadow:0 10px 16px -8px rgba(42,30,20,.5)}
.bib-livro{flex:0 0 auto;width:clamp(112px,10vw,138px);scroll-snap-align:start;background:none;border:0;padding:0;cursor:pointer;color:var(--tinta);text-align:left;font:inherit;display:grid;gap:0}
.bib-livro.paisagem{width:clamp(170px,15vw,200px)}
.bib-capa{position:relative;display:block;transition:transform .25s ease;transform-origin:50% 100%}
.bib-capa img{display:block;width:100%;height:auto;aspect-ratio:2/3;object-fit:cover;background:var(--papel-2);box-shadow:inset 5px 0 0 rgba(255,255,255,.14),0 8px 14px -6px rgba(6,27,56,.45);border-radius:1px 3px 3px 1px}
.bib-livro.paisagem .bib-capa img{aspect-ratio:4/3}
.bib-capa::before{content:"";position:absolute;inset:0 auto 0 0;width:7px;background:linear-gradient(90deg,rgba(0,0,0,.28),rgba(255,255,255,.12) 60%,transparent);z-index:1;border-radius:1px 0 0 1px}
.bib-livro:hover .bib-capa,.bib-livro:focus-visible .bib-capa{transform:translateY(-8px)}
.bib-livro:focus-visible{outline:none}
.bib-livro:focus-visible .bib-capa img{outline:2px solid var(--acento);outline-offset:3px}
.bib-etq{position:absolute;left:6px;bottom:8px;z-index:2;background:var(--bib-etiqueta);color:var(--tinta);font:500 9.5px/1.25 var(--f-mono);letter-spacing:.02em;padding:3px 5px;max-width:calc(100% - 12px);box-shadow:0 1px 2px rgba(0,0,0,.25);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.bib-amostra{position:absolute;right:-4px;top:8px;z-index:2;background:var(--acento);color:var(--noite);font:600 10px/1 var(--f-mono);letter-spacing:.06em;text-transform:uppercase;padding:5px 6px}
.bib-livro-txt{display:block;padding:10px 0 14px;font-size:14px;line-height:1.3;font-weight:600;min-height:3.9em}
.bib-livro-txt small{display:block;font-weight:400;color:var(--tinta-2);font-size:13px}
.bib-vazio{padding:56px 0;text-align:center;color:var(--tinta-2);display:grid;gap:12px;justify-items:center}
.bib-vazio strong{font:400 28px/1.1 var(--f-disp);color:var(--tinta)}
.bib-vazio button{background:none;border:0;border-bottom:1.5px solid var(--acento);font:600 16px var(--f-txt);color:var(--tinta);cursor:pointer;padding:0 0 2px}

/* ---------- Escola parceira ---------- */
.bib-parceira{background:var(--noite);color:var(--noite-claro)}
.bib-parceira .w{padding-block:clamp(64px,8vw,120px)}
.bib-parceira .bib-sec-topo h2{color:var(--noite-claro)}
.bib-parceira .bib-sec-topo p{color:var(--noite-txt)}
.bib-parceira .kicker{color:var(--noite-txt)!important}
.bib-acessos{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));border-top:1px solid var(--noite-fio)}
.bib-acesso{padding:28px clamp(0px,2vw,28px) 8px 0}
.bib-acesso + .bib-acesso{border-left:1px solid var(--noite-fio);padding-left:clamp(20px,3vw,40px)}
.bib-acesso h3{font:500 12px/1.4 var(--f-mono);letter-spacing:.08em;text-transform:uppercase;color:var(--noite-txt);margin:0 0 18px;display:flex;align-items:center;gap:10px}
.bib-acesso h3 svg{width:16px;height:16px}
.bib-acesso.liberado h3{color:var(--acento)}
.bib-acesso ul{list-style:none;margin:0;padding:0;display:grid}
.bib-acesso li{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:16px;align-items:baseline;padding:14px 0;border-bottom:1px solid var(--noite-fio);font-size:17px}
.bib-acesso li span{font:500 11px/1.4 var(--f-mono);letter-spacing:.06em;text-transform:uppercase;color:var(--noite-txt);white-space:nowrap}
.bib-parceira-cta{display:flex;gap:16px 28px;align-items:center;flex-wrap:wrap;margin-top:40px}
.bib-parceira-cta .e-btn{background:var(--acento);color:var(--noite)}
.bib-parceira-cta .e-btn:hover{background:#FFC061}
.bib-parceira-cta p{margin:0;color:var(--noite-txt);font-size:16px;max-width:48ch}

/* ---------- Acervo aberto ---------- */
.bib-aberta .bib-fileira{padding-top:22px}
.bib-pd{flex:0 0 auto;width:clamp(104px,9vw,124px);aspect-ratio:2/3;scroll-snap-align:start;display:flex;flex-direction:column;justify-content:space-between;padding:14px 10px 10px 16px;text-decoration:none;position:relative;box-shadow:0 8px 14px -6px rgba(6,27,56,.45);border-radius:1px 3px 3px 1px;transition:transform .25s ease;transform-origin:50% 100%;background:var(--c);color:var(--t)}
.bib-pd::before{content:"";position:absolute;inset:0 auto 0 0;width:7px;background:linear-gradient(90deg,rgba(0,0,0,.3),rgba(255,255,255,.1) 60%,transparent)}
.bib-pd:hover,.bib-pd:focus-visible{transform:translateY(-8px)}
.bib-pd b{font:400 15px/1.08 var(--f-disp);letter-spacing:-.01em}
.bib-pd small{font:500 9px/1.3 var(--f-mono);letter-spacing:.06em;text-transform:uppercase;opacity:.85}
.bib-pd i{font:500 9px/1 var(--f-mono);letter-spacing:.06em;font-style:normal;opacity:.75;border-top:1px solid currentColor;padding-top:6px}
.bib-portais{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:0;border-top:1px solid var(--fio);margin-top:40px}
.bib-portal{display:grid;gap:6px;align-content:start;padding:20px 20px 22px 0;border-bottom:1px solid var(--fio);color:var(--tinta);text-decoration:none;min-width:0}
.bib-portal strong{font:400 22px/1.15 var(--f-disp)}
.bib-portal strong::after{content:" ↗";font-family:var(--f-txt);font-size:15px;color:var(--acento-texto)}
.bib-portal span{font:500 11px/1.4 var(--f-mono);letter-spacing:.04em;color:var(--tinta-2);word-break:break-all}
.bib-portal p{margin:4px 0 0;color:var(--tinta-2);font-size:15px;line-height:1.5}
.bib-portal:hover strong{color:var(--acento-texto)}

/* ---------- Leitor ---------- */
.lv{position:fixed;inset:0;z-index:200;background:radial-gradient(120% 90% at 50% 40%,var(--bib-sala-2),var(--bib-sala));color:#E9ECF3;display:grid;grid-template-columns:minmax(0,1fr);grid-template-rows:auto minmax(0,1fr) auto auto;padding:env(safe-area-inset-top,0px) env(safe-area-inset-right,0px) env(safe-area-inset-bottom,0px) env(safe-area-inset-left,0px)}
.lv-topo{display:flex;align-items:center;gap:14px;padding:12px max(16px,2vw);border-bottom:1px solid rgba(255,255,255,.08)}
.lv-topo div{min-width:0;flex:1}
.lv-topo small{display:block;font:500 11px/1.4 var(--f-mono);letter-spacing:.08em;text-transform:uppercase;color:#9AA6BF;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.lv-topo strong{display:block;font:400 20px/1.2 var(--f-disp);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.lv-topo a{color:#E9ECF3;font-weight:600;font-size:15px;text-decoration:none;border-bottom:1.5px solid var(--acento);padding-bottom:2px;white-space:nowrap}
.lv-x{flex:none;width:42px;height:42px;border-radius:50%;border:1px solid rgba(255,255,255,.2);background:none;color:#E9ECF3;cursor:pointer;display:grid;place-items:center}
.lv-x:hover{background:rgba(255,255,255,.08)}
.lv-palco{position:relative;display:grid;place-items:center;overflow:hidden;padding:clamp(12px,3vh,32px) clamp(8px,6vw,96px);touch-action:pan-y}
.lv-livro{position:relative;display:flex;perspective:2400px;filter:drop-shadow(0 30px 40px rgba(0,0,0,.45))}
.lv-pg{width:var(--pw,300px);height:var(--ph,424px);background:var(--bib-papel-livro);position:relative;overflow:hidden;color:var(--tinta)}
.lv-pg.vazia{background:transparent}
.lv-pg > img{width:100%;height:100%;object-fit:cover;display:block}
.lv-pg.esq::after,.lv-pg.dir::after{content:"";position:absolute;inset:0;pointer-events:none}
.lv-pg.esq::after{background:linear-gradient(90deg,transparent 85%,rgba(0,0,0,.18))}
.lv-pg.dir::after{background:linear-gradient(90deg,rgba(0,0,0,.16),transparent 14%)}
.lv-pg.vazia::after{display:none}
.lv-num{position:absolute;bottom:10px;font:500 10px/1 var(--f-mono);color:rgba(11,22,48,.55);letter-spacing:.06em;z-index:2}
.lv-pg.esq .lv-num{left:14px}.lv-pg.dir .lv-num,.lv-pg.so .lv-num{right:14px}
.lv-folha{position:absolute;top:0;width:var(--pw);height:var(--ph);transform-style:preserve-3d;transition:transform .7s cubic-bezier(.45,.05,.25,1);z-index:5}
.lv-folha.vai{left:50%;transform-origin:0 50%}
.lv-folha.volta{left:0;transform-origin:100% 50%}
.lv-folha .lv-pg{position:absolute;inset:0;backface-visibility:hidden}
.lv-folha .tras{transform:rotateY(180deg)}
.lv-livro.so .lv-pg{animation:lv-entra .35s ease}
@keyframes lv-entra{from{opacity:.3;transform:translateX(var(--dx,24px))}to{opacity:1;transform:none}}

/* Páginas compostas (ficha e fim) */
.lv-txt{position:absolute;inset:0;padding:9% 9% 12%;display:flex;flex-direction:column;gap:3.2%;font-size:calc(var(--pw) * .042);line-height:1.45}
.lv-txt .mono{font:500 calc(var(--pw) * .03)/1.4 var(--f-mono)!important;letter-spacing:.08em;color:var(--tinta-2)}
.lv-txt h4{font:400 calc(var(--pw) * .085)/1.02 var(--f-disp);letter-spacing:-.02em;margin:0}
.lv-txt h4 em{font-style:italic;font-weight:300}
.lv-txt p{margin:0;color:var(--tinta-2)}
.lv-txt ol{margin:0;padding:0;list-style:none;display:grid;border-top:1px solid var(--fio)}
.lv-txt ol li{display:grid;grid-template-columns:2.2em minmax(0,1fr);padding:.55em 0;border-bottom:1px solid var(--fio)}
.lv-txt ol li b{font:500 calc(var(--pw) * .03) var(--f-mono);color:var(--acento-texto);padding-top:.2em}
.lv-txt .regua{margin-top:auto;display:flex;justify-content:space-between;gap:8px;font:500 calc(var(--pw) * .028)/1.3 var(--f-mono);letter-spacing:.06em;color:var(--tinta-2);border-top:1px solid var(--tinta);padding-top:.7em}
.lv-fim{background:var(--noite);color:var(--noite-claro)}
.lv-fim .lv-txt{justify-content:center}
.lv-fim .lv-txt p{color:var(--noite-txt)}
.lv-fim .lv-txt h4{color:var(--noite-claro)}
.lv-fim .lv-txt ul{margin:0;padding:0;list-style:none;display:grid;gap:.4em;font-size:.95em}
.lv-fim .lv-txt ul li::before{content:"";display:inline-block;width:.5em;height:.5em;background:var(--acento);margin-right:.6em;vertical-align:.1em}
.lv-fim .acoes{display:flex;flex-direction:column;gap:.6em;margin-top:.8em}
.lv-fim .acoes a{display:block;text-align:center;padding:.85em 1em;font-weight:600;text-decoration:none;font-size:.95em}
.lv-fim .acoes a:first-child{background:var(--acento);color:var(--noite)}
.lv-fim .acoes a:last-child{border:1px solid var(--noite-fio);color:var(--noite-claro)}
.lv-fim .lv-num{color:var(--noite-txt)}

.lv-pe{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:10px max(16px,2vw) 14px;flex-wrap:wrap}
.lv-grupo{display:flex;align-items:center;gap:6px}
.lv-pe button{min-width:42px;height:42px;border-radius:999px;border:1px solid rgba(255,255,255,.18);background:none;color:#E9ECF3;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:0 10px;font:600 14px/1 var(--f-txt)}
.lv-pe button:hover:not(:disabled){background:rgba(255,255,255,.08)}
.lv-pe button:disabled{opacity:.3;cursor:default}
.lv-pe button[aria-pressed="true"],.lv-pe button[aria-pressed="true"]:hover{background:var(--acento);color:var(--noite);border-color:var(--acento)}
.lv-pe button.copiado{background:#1F6B47;border-color:#1F6B47}
.lv-pos{display:inline-flex;align-items:center;gap:6px;font:500 13px/1 var(--f-mono);color:#9AA6BF;padding:0 6px}
.lv-pos input{background:#F4F1EA;color:#0B1630;border:0;height:36px;min-width:4ch;text-align:center;font:600 14px/1 var(--f-mono);border-radius:4px;font-variant-numeric:tabular-nums}
.lv-pos input:focus{outline:2px solid var(--acento);outline-offset:2px}
.lv-barra{height:3px;background:rgba(255,255,255,.08)}
.lv-barra i{display:block;height:100%;width:0;background:var(--acento);transition:width .3s ease}
.lv-cta{color:var(--noite)!important;background:var(--acento);border:0!important;padding:10px 14px!important;font-weight:600}
.lv-palco.zoom{place-items:start center;overflow:auto;touch-action:auto;cursor:grab}
.lv-pg.carregando{background:var(--bib-papel-livro) linear-gradient(100deg,transparent 30%,rgba(11,22,48,.06) 50%,transparent 70%) 0 0/200% 100%;animation:lv-brilho 1.2s linear infinite}
.lv-pg.erro::before{content:"Não foi possível abrir esta página";position:absolute;inset:0;display:grid;place-items:center;font:500 12px var(--f-mono);color:var(--tinta-2)}
@keyframes lv-brilho{to{background-position:-200% 0}}
.lv-baixando{display:none;position:absolute;inset:0;place-items:center;align-content:center;gap:14px;font:500 12px/1 var(--f-mono);letter-spacing:.08em;text-transform:uppercase;color:#9AA6BF}
.lv-baixando span{width:34px;height:34px;border-radius:50%;border:2px solid rgba(255,255,255,.15);border-top-color:var(--acento);animation:lv-gira .8s linear infinite;justify-self:center}
@keyframes lv-gira{to{transform:rotate(360deg)}}
.lv.baixando .lv-baixando{display:grid}
.lv-grade{position:absolute;inset:0;z-index:20;overflow:auto;background:rgba(10,20,38,.97);padding:24px max(16px,3vw)}
.lv-grade-in{display:grid;grid-template-columns:repeat(auto-fill,minmax(118px,1fr));gap:22px 16px;max-width:1200px;margin:0 auto}
.lv-mini{background:none;border:0;padding:0;cursor:pointer;color:#B9C2D6;display:grid;gap:8px;font:500 12px/1 var(--f-mono);text-align:center}
.lv-mini-pg{display:block;width:100%;aspect-ratio:var(--r,.7);position:relative;background:#FFFEFB;overflow:hidden;outline:2px solid transparent;outline-offset:3px;transition:outline-color .15s}
.lv-mini img{width:100%;height:100%;object-fit:cover;display:block}
.lv-mini-txt{display:grid;place-items:center;height:100%;min-height:120px;color:#0B1630;font:400 18px var(--f-disp)}
.lv-mini.escura .lv-mini-pg{background:var(--noite)}.lv-mini.escura .lv-mini-txt{color:#EEF0F5}
.lv-mini:hover .lv-mini-pg,.lv-mini:focus-visible .lv-mini-pg{outline-color:rgba(246,167,56,.6)}
.lv-mini.atual .lv-mini-pg{outline-color:var(--acento)}
.lv-mini:focus-visible{outline:none}

/* ---------- Ficha do livro ---------- */
.bib-ficha{position:fixed;inset:0;z-index:190;background:rgba(6,15,32,.62);display:grid;place-items:center;padding:max(16px,env(safe-area-inset-top,0px)) max(16px,env(safe-area-inset-right,0px)) max(16px,env(safe-area-inset-bottom,0px)) max(16px,env(safe-area-inset-left,0px));overflow:auto}
.bib-ficha[hidden]{display:none}
.bib-ficha-caixa{position:relative;background:var(--papel);width:min(860px,100%);box-shadow:0 30px 70px -20px rgba(0,0,0,.5);animation:bf-entra .25s ease}
@keyframes bf-entra{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:none}}
.bib-ficha-x{position:absolute;top:12px;right:12px;width:40px;height:40px;border-radius:50%;border:1px solid var(--fio);background:var(--papel);color:var(--tinta);cursor:pointer;display:grid;place-items:center;z-index:2}
.bib-ficha-corpo{display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr)}
.bf-capa{background:var(--papel-2);display:grid;place-items:end center;padding:40px 32px 34px;position:relative}
.bf-capa img{width:min(220px,100%);height:auto;display:block;box-shadow:inset 5px 0 0 rgba(255,255,255,.14),0 16px 26px -10px rgba(6,27,56,.5);position:relative;z-index:1;border-radius:1px 3px 3px 1px}
.bf-tabua{position:absolute;left:18px;right:18px;bottom:24px;height:12px;background:linear-gradient(var(--bib-madeira-luz),var(--bib-madeira) 40%);box-shadow:0 10px 16px -8px rgba(42,30,20,.5)}
.bf-txt{padding:40px clamp(20px,3vw,40px) 32px;display:grid;gap:16px;align-content:start;min-width:0}
.bf-meta{margin:0;font:500 11px/1.4 var(--f-mono);letter-spacing:.08em;text-transform:uppercase;color:var(--tinta-2);padding-right:40px}
.bf-txt h2{margin:0;font:400 clamp(28px,3vw,38px)/1.05 var(--f-disp);letter-spacing:-.02em}
.bf-txt h2 em{font-style:italic;font-weight:300;display:block}
.bf-txt dl{margin:0;display:grid;border-top:1px solid var(--fio)}
.bf-txt dl div{display:grid;grid-template-columns:110px minmax(0,1fr);gap:12px;padding:9px 0;border-bottom:1px solid var(--fio);font-size:15px}
.bf-txt dt{font:500 11px/1.8 var(--f-mono);letter-spacing:.06em;text-transform:uppercase;color:var(--tinta-2)}
.bf-txt dd{margin:0}
.bf-desc{margin:0;color:var(--tinta-2);font-size:16px;line-height:1.55}
.bf-acoes{display:flex;flex-wrap:wrap;gap:12px 18px;align-items:center;margin-top:4px}
.bf-acoes .e-btn{background:var(--noite);color:var(--papel)}
.bf-link{display:inline-flex;align-items:center;gap:8px;background:none;border:0;border-bottom:1.5px solid var(--acento);padding:0 0 3px;font:600 15px var(--f-txt);color:var(--tinta);cursor:pointer}
.bf-link.copiado{border-color:var(--bib-ok);color:var(--bib-ok)}
.bf-campo{width:100%;font:400 13px var(--f-mono);padding:10px;border:1px solid var(--fio);background:var(--papel-2);color:var(--tinta)}
.bf-pagina{font-size:14px;color:var(--tinta-2)}

/* Selo de livro completo */
.bib-amostra.completo{background:var(--noite);color:var(--papel)}

/* Editoras parceiras */
.bib-parc-cab{margin-top:56px;padding-top:28px;border-top:2px solid var(--tinta)}
.bib-parc-cab h3{font:400 clamp(26px,2.6vw,36px)/1.05 var(--f-disp);margin:0 0 8px}
.bib-parc-vazio{display:grid;gap:10px;justify-items:start;padding:28px;border:1px dashed var(--fio);margin-top:20px;max-width:720px}
.bib-parc-vazio strong{font:400 22px/1.2 var(--f-disp)}
.bib-parc-vazio p{margin:0;color:var(--tinta-2)}
body.lv-aberto{overflow:hidden}
.lv[hidden]{display:none}

/* ---------- Responsivo ---------- */
@media (max-width:980px){
  .bib-abre-g{grid-template-columns:1fr}
  .bib-aberto{max-width:560px}
  .bib-destaques{grid-template-columns:1fr;max-width:560px}
  .bib-dest{grid-template-columns:minmax(0,1fr) minmax(0,1.1fr);grid-template-rows:auto}
  .bib-dest-img{padding:16px 0 16px 16px}
  .bib-dest.paisagem .bib-dest-img{align-items:center}
  .bib-dest-txt{margin-top:0;border-top:0;border-left:1px solid var(--fio)}
}
@media (max-width:720px){
  .bib-acessos{grid-template-columns:1fr}
  .bib-acesso + .bib-acesso{border-left:0;padding-left:0}
  .bib-est-cab{grid-template-columns:1fr}
  .bib-est-cab .e-link{grid-row:auto;grid-column:1;justify-self:start;margin-top:6px}
  .bib-conta{margin-left:0;width:100%}
  .bib-barra .bib-busca{max-width:none}
  .bib-aberto-selo{right:0}
  .lv-topo .lv-cta{display:none}
  .lv-link span{display:none}
  .lv-pe{justify-content:space-between;flex-wrap:nowrap;gap:4px;padding-inline:10px}
  .lv-pe button{min-width:38px;height:38px;padding:0 8px}
  #lv-ini,#lv-fim,#lv-tela{display:none}
  .lv-grupo{gap:4px}
  .bib-ficha-corpo{grid-template-columns:1fr}
  .bf-capa{padding:32px 24px 30px}
  .bf-capa img{width:150px}
  .lv-palco{padding-inline:12px}
}
@media (max-width:460px){
  .bib-dest{grid-template-columns:1fr}
  .bib-dest-img{padding:16px 16px 0}
  .bib-dest-txt{border-left:0;border-top:1px solid var(--fio);margin-top:16px}
}
@media (prefers-reduced-motion:reduce){
  .bib-capa,.bib-pd,.bib-aberto-par,.lv-folha{transition:none!important}
  .lv-livro.so .lv-pg{animation:none}
}
/* Proteção do acervo: sem seleção, sem arrastar imagem e sem impressão da biblioteca */
.lv,.lv img,.bib-capa img,.bf-capa img{-webkit-user-select:none;user-select:none;-webkit-user-drag:none;-webkit-touch-callout:none}
@media print{
  body>*{display:none!important}
  body::before{content:"A impressão da Biblioteca Virtual B7 está desativada. Para receber o material, fale com a B7 Educação em b7educacao.com.";display:block;padding:40px;font:16px/1.5 sans-serif;color:#10243F}
}