/* ultra_library · a capa ---------------------------------------------------
   A face frontal, em dois tamanhos: .cover (no volume 3D) e .card-cover (na
   ficha). Mesma anatomia — moldura, cartela de papel, cabeçalho, rodapé — e os
   mesmos 14 templates da lombada. */

/* anatomia comum: moldura, cartela, cabeçalho, rodapé ---------------------- */
.cover, .card-cover {
  --sheen:
    radial-gradient(ellipse 80% 60% at 30% 20%, rgba(255,255,255,.14), transparent 60%),
    linear-gradient(90deg, rgba(0,0,0,.45), rgba(0,0,0,.1) 6%, transparent 14%, transparent 70%, rgba(0,0,0,.12));
  --gold-ink: #f1dc94;
  --gold-line: rgba(222,186,90,.8);
  position: relative;
  box-shadow: inset 0 0 0 1px rgba(0,0,0,.4), inset 5px 0 12px -4px rgba(0,0,0,.75);
  border-radius: 1px 4px 4px 1px;
  overflow: hidden;
  padding: 11px 11px 11px 15px;
  display: flex;
}

/* Moldura dourada em baixo-relevo */
.cover-frame {
  position: relative; flex: 1;
  display: flex; flex-direction: column; justify-content: space-between;
  border: 1px solid var(--gold-line);
  box-shadow: inset 0 0 0 1px rgba(0,0,0,.3), 0 0 0 1px rgba(0,0,0,.25);
  border-radius: 2px;
  padding: 12px 10px;
  min-height: 0;
}
.cover-inner-border {
  position: absolute; inset: 3px;
  border: 1px solid rgba(222,186,90,.3);
  pointer-events: none; border-radius: 1px;
}
.corner {
  position: absolute; width: 9px; height: 9px;
  border-color: var(--gold-line); pointer-events: none;
}
.corner-tl { top: -1px; left: -1px; border-top: 2px solid; border-left: 2px solid; }
.corner-tr { top: -1px; right: -1px; border-top: 2px solid; border-right: 2px solid; }
.corner-bl { bottom: -1px; left: -1px; border-bottom: 2px solid; border-left: 2px solid; }
.corner-br { bottom: -1px; right: -1px; border-bottom: 2px solid; border-right: 2px solid; }

.cover-header { text-align: center; margin-bottom: 4px; }
.cover-badge {
  font-family: var(--mono); font-size: 7px; letter-spacing: .16em; text-transform: uppercase;
  color: var(--gold-ink); padding: 2px 8px; display: inline-block;
  border-top: 1px solid rgba(222,186,90,.45); border-bottom: 1px solid rgba(222,186,90,.45);
}

/* placa de papel (a "cartela" colada na capa) */
.plate {
  flex: 1; min-height: 0;
  background-color: #ede5d2;
  background-image: linear-gradient(180deg, rgba(255,255,255,.55), transparent 35%, rgba(0,0,0,.05)), var(--paper);
  background-size: auto, 240px 240px;
  background-blend-mode: normal, multiply;
  color: var(--ink);
  margin: 6px 2px;
  padding: 12px 8px;
  border-radius: 1px;
  box-shadow: inset 0 0 0 1px rgba(90,77,59,.35), inset 0 0 0 3px #ede5d2, inset 0 0 0 4px rgba(90,77,59,.25), 0 2px 5px rgba(0,0,0,.4);
  display: grid; place-items: center; text-align: center;
  overflow: hidden;
}
.plate-inner { display: flex; flex-direction: column; align-items: center; gap: 6px; width: 100%; max-height: 100%; }
.cover-title {
  display: block; width: 100%; max-height: 100%; overflow: hidden;
  font-weight: 600; font-size: 14px; line-height: 1.15;
  color: #1a1612; text-wrap: balance; overflow-wrap: normal;
}
.cover-divider { font-size: 8px; color: var(--brass); line-height: 1; opacity: .85; }
.cover-author {
  font-family: var(--mono); font-size: 7.5px; letter-spacing: .12em; text-transform: uppercase;
  color: #5a5043;
}
.cover-footer { display: flex; align-items: center; justify-content: center; gap: 8px; margin-top: 4px; }
.cover-year { font-family: var(--mono); font-size: 8px; letter-spacing: .1em; color: var(--gold-ink); }
.cover-mark { width: 13px; font-size: 6.5px; }

/* T1 fólio: badge e ano viram etiquetas de couro coladas na segunda cor
   (mesmo grão pipocado das etiquetas da lombada) */
[data-template="1"] .cover-badge, [data-template="1"] .cover-year {
  background-color: hsl(var(--hue2, calc(var(--hue) + 24)) 34% 15%);
  background-image:
    linear-gradient(180deg, rgba(255,255,255,.12), transparent 40%, rgba(0,0,0,.25)),
    var(--pebble);
  background-size: auto, 110px 110px;
  background-blend-mode: normal, soft-light;
  border: 1px solid var(--gold-line); border-radius: 2px; padding: 2px 8px;
  box-shadow: inset 0 1px 0 rgba(255,255,255,.12), inset 0 -1px 0 rgba(0,0,0,.5), 0 1px 3px rgba(0,0,0,.5);
}

/* T2 ouro: faixas finas na segunda cor atrás do cabeçalho e do rodapé —
   véu de matiz sobre o couro da capa, o brilho é o da capa inteira */
[data-template="2"] .cover-header, [data-template="2"] .cover-footer {
  position: relative;
  background-image: linear-gradient(180deg, rgba(255,255,255,.08), transparent 50%, rgba(0,0,0,.2));
  border-top: 1px solid var(--gold-line); border-bottom: 1px solid var(--gold-line);
  padding: 3px 0;
}
[data-template="2"] .cover-header::before, [data-template="2"] .cover-footer::before {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background: var(--c2, var(--c)); mix-blend-mode: color;
}

/* T3 tecido: encadernação "quarter" — pranchas no segundo pano, lombada no primeiro */
.book[data-template="3"] .cover, .book[data-template="3"] .back, .card-cover[data-template="3"] {
  background-color: var(--c2, var(--c));
}

/* T4 cartela: rodapé mergulhado na segunda cor — véu de matiz sobre o material */
[data-template="4"] .cover-footer {
  position: relative;
  background-image: linear-gradient(0deg, rgba(0,0,0,.25), transparent 70%);
  margin: 4px -10px -12px; padding: 6px 10px 9px;
}
[data-template="4"] .cover-footer::before {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background: var(--c2, var(--c)); mix-blend-mode: color;
}

/* T6 antiquário: florão incrustado — disco de couro na segunda cor, borda de ouro */
.book[data-template="6"] .cover .cover-divider, .card-cover[data-template="6"] .cover-divider { font-size: 0; }
[data-template="6"] .cover-divider::before {
  content: "❦"; display: grid; place-items: center;
  width: 24px; aspect-ratio: 1; border-radius: 50%;
  background-color: var(--c2, transparent);
  background-image: linear-gradient(180deg, rgba(255,255,255,.1), transparent 45%, rgba(0,0,0,.3)), var(--pebble);
  background-size: auto, 110px 110px;
  background-blend-mode: normal, soft-light;
  border: 1px solid var(--gold-line);
  color: var(--gold-ink); font-size: 12px; line-height: 1;
  box-shadow: inset 0 1px 2px rgba(0,0,0,.35), 0 1px 2px rgba(0,0,0,.3);
}

/* Encadernações de tecido/modernas (T3, T5): título estampado direto no pano, sem cartela */
[data-template="3"] .plate, [data-template="5"] .plate {
  background: none; box-shadow: none; color: var(--cream); padding: 10px 4px;
}
/* T5 capa dura: bloco central atrás do título estampado — véu de matiz (o pano
   e a luz são os da capa) + um pseudo separado só para o vinco, porque a sombra
   dentro do véu seria engolida pelo blend */
[data-template="5"] .plate { position: relative; }
[data-template="5"] .plate::before {
  content: ""; position: absolute; inset: 12% 0; z-index: 0;
  background: var(--c2, var(--c)); mix-blend-mode: color;
}
[data-template="5"] .plate::after {
  content: ""; position: absolute; inset: 12% 0; z-index: 0; pointer-events: none;
  background: linear-gradient(180deg, rgba(255,255,255,.07), transparent 45%, rgba(0,0,0,.18));
  box-shadow: inset 0 1px 0 rgba(255,255,255,.08), inset 0 -1px 0 rgba(0,0,0,.3), 0 1px 3px rgba(0,0,0,.3);
}
[data-template="5"] .plate-inner { position: relative; z-index: 1; }
[data-template="3"] .cover-title, [data-template="5"] .cover-title {
  color: var(--cream); text-shadow: 0 1px 2px rgba(0,0,0,.7);
}
[data-template="5"] .cover-title { color: var(--gold-ink); }
[data-template="3"] .cover-author, [data-template="5"] .cover-author { color: var(--cream-dim); }
[data-template="3"] .cover-divider, [data-template="5"] .cover-divider { color: var(--gold); }

/* Capas da era moderna (7–14): sem moldura de ouro, sem cartela de papel */
[data-era="modern"] .cover-frame { border: none; box-shadow: none; padding: 14px 12px; }
[data-era="modern"] .corner, [data-era="modern"] .cover-inner-border { display: none; }
[data-era="modern"] .plate { background: none; box-shadow: none; color: var(--cream); }
[data-era="modern"] .cover-badge { border: none; }
[data-era="modern"] .cover-title { color: var(--cream); }

/* T7 pulp: faixa listrada no alto, condensada inclinada, autor em tarja */
[data-template="7"] .cover-frame { padding: 0 0 10px; }
[data-template="7"] .cover-header {
  margin: 0 0 4px; padding: 7px 6px 6px;
  background: repeating-linear-gradient(-45deg, rgba(22,16,10,.85) 0 8px, transparent 8px 16px);
}
[data-template="7"] .cover-badge { color: var(--pulp-yellow, #f7d64a); background: rgba(22,16,10,.9); letter-spacing: .2em; }
[data-template="7"] .cover-title {
  font-family: var(--condensed); font-weight: 600; text-transform: uppercase;
  color: #f9ecc4; transform: rotate(-3deg);
  text-shadow: 2px 2px 0 rgba(22,16,10,.85);
}
[data-template="7"] .cover-divider { font-size: 0; }
[data-template="7"] .cover-divider::before { content: "✴"; font-size: 15px; color: var(--pulp-yellow, #f7d64a); text-shadow: 1px 1px 0 rgba(22,16,10,.8); }
[data-template="7"] .cover-author { background: rgba(22,16,10,.85); color: var(--pulp-yellow, #f7d64a); padding: 3px 10px; }
[data-template="7"] .cover-year { color: #f9ecc4; }
[data-template="7"] .cover-mark { color: #f9ecc4; border-color: rgba(22,16,10,.8); box-shadow: 0 0 0 2px hsl(var(--hue2, 48) 85% 62% / .35); }

/* T8 monólito: pequeno, espaçado, uma linha neon */
[data-template="8"] .cover-title { font-family: var(--sans); font-weight: 300; text-transform: uppercase; letter-spacing: .28em; color: #dcdcdc; }
[data-template="8"] .cover-divider { font-size: 0; }
[data-template="8"] .cover-divider::before { content: ""; display: block; width: 44px; height: 1px; background: var(--neon); box-shadow: 0 0 6px var(--neon); }
[data-template="8"] .cover-author { color: #8a8a8a; letter-spacing: .2em; }
[data-template="8"] .cover-badge { color: #6a6a6a; }
[data-template="8"] .cover-year { color: var(--neon); }
[data-template="8"] .cover-mark { color: #8a8a8a; border: 1px solid #3a3a3a; border-radius: 0; box-shadow: none; font-style: normal; }

/* T9 aeroporto: título gigante peso 900, rodapé em tarja preta */
/* split diagonal duro na segunda cor — tinta impressa (multiply): o grão do
   papel e a luz da capa atravessam a área impressa */
[data-template="9"] .cover-frame::before {
  content: ""; position: absolute; inset: 0; z-index: 0;
  clip-path: polygon(0 66%, 100% 50%, 100% 100%, 0 100%);
  background: var(--c2, rgba(0,0,0,.82)); mix-blend-mode: multiply;
}
[data-template="9"] .cover-header, [data-template="9"] .plate, [data-template="9"] .cover-footer { position: relative; z-index: 1; }
[data-template="9"] .cover-title { font-family: var(--sans); font-weight: 900; text-transform: uppercase; line-height: .95; letter-spacing: -.01em; color: #fff; }
[data-template="9"] .cover-divider { display: none; }
[data-template="9"] .cover-author { font-family: var(--sans); font-weight: 700; color: rgba(255,255,255,.95); }
[data-template="9"] .cover-badge { color: rgba(255,255,255,.85); font-family: var(--sans); font-weight: 700; }
[data-template="9"] .cover-footer { background: rgba(0,0,0,.82); margin: 8px -12px -14px; padding: 7px 12px; }
[data-template="9"] .cover-year { color: #fff; }
[data-template="9"] .cover-mark { color: #fff; border-color: rgba(255,255,255,.7); box-shadow: none; }
.book[data-template="9"] .cover .cover-title { font-size: 34px; }
.card-cover[data-template="9"] .cover-title { font-size: 19px; }

/* T10 suíço: tudo alinhado à esquerda, barra na cor da estante */
[data-template="10"] .cover-header { text-align: left; }
[data-template="10"] .cover-badge { color: #6b675c; padding: 2px 0; }
[data-template="10"] .plate-inner { align-items: flex-start; text-align: left; }
[data-template="10"] .cover-title { font-family: var(--sans); font-weight: 700; letter-spacing: -.01em; color: #16150f; }
[data-template="10"] .cover-divider { font-size: 0; width: 100%; }
[data-template="10"] .cover-divider::before { content: ""; display: block; width: 100%; height: 7px; background: hsl(var(--hue) 60% 44%); mix-blend-mode: multiply; }
/* a segunda tinta: barra menor empilhada sob a primeira (tinta encharca o papel) */
[data-template="10"] .cover-divider::after {
  content: ""; display: block; width: 62%; height: 3px; margin-top: 3px;
  background: var(--swiss-band2, hsl(var(--hue2, var(--hue)) 58% 40%));
  mix-blend-mode: multiply;
}
[data-template="10"] .cover-author { font-family: var(--sans); font-weight: 600; color: #16150f; letter-spacing: .08em; }
[data-template="10"] .cover-year { color: #6b675c; }
[data-template="10"] .cover-mark { color: #16150f; border-color: #16150f; border-radius: 0; box-shadow: none; }

/* T11 penguin: tri-faixa cor/creme/cor, título na faixa central */
[data-template="11"] .cover-frame { padding: 0; }
/* metade inferior no segundo papel; véu de matiz — mesmo papel, mesma luz nas
   duas faixas, a emenda fica escondida atrás da cartela creme */
[data-template="11"] .cover-frame::before {
  content: ""; position: absolute; inset: 50% 0 0 0; z-index: 0;
  background: var(--c2, var(--c)); mix-blend-mode: color;
}
[data-template="11"] .cover-header, [data-template="11"] .plate, [data-template="11"] .cover-footer { position: relative; z-index: 1; }
[data-template="11"] .plate {
  flex: 0 0 44%; margin: auto 0; width: 100%; border-radius: 0;
  background: #efe6cd;
  box-shadow: inset 0 1px 0 rgba(0,0,0,.25), inset 0 -1px 0 rgba(0,0,0,.25);
  display: grid; place-items: center; padding: 10px 8px;
}
[data-template="11"] .cover-header { padding-top: 10px; }
[data-template="11"] .cover-badge { color: #efe6cd; letter-spacing: .22em; }
[data-template="11"] .cover-title { font-family: var(--sans); font-weight: 600; color: #23211c; }
[data-template="11"] .cover-divider { font-size: 0; }
[data-template="11"] .cover-divider::before { content: ""; display: block; width: 36px; height: 1px; background: #23211c; }
[data-template="11"] .cover-author { color: #4a463c; font-family: var(--sans); font-weight: 500; }
[data-template="11"] .cover-footer { padding-bottom: 10px; }
[data-template="11"] .cover-year { color: #efe6cd; }
[data-template="11"] .cover-mark { color: #efe6cd; border-color: #efe6cd; box-shadow: none; border-radius: 50% / 42%; }

/* T12 fitzcarraldo: uma cor, serifa itálica, mais nada */
[data-template="12"] .cover-title { font-family: var(--display); font-style: italic; font-weight: 400; text-transform: none; color: #fdfcf7; }
[data-template="12"] .cover-divider { font-size: 0; }
/* a segunda cor sussurrada nos detalhes — a contenção é a identidade */
[data-template="12"] .cover-divider::before { content: ""; display: block; width: 28px; height: 1px; background: hsl(var(--hue2, var(--hue)) 55% 78% / .85); }
[data-template="12"] .cover-author { font-family: var(--display); font-style: italic; text-transform: none; letter-spacing: .04em; color: rgba(253,252,247,.85); }
[data-template="12"] .cover-badge { color: hsl(var(--hue2, var(--hue)) 45% 80% / .7); }
[data-template="12"] .cover-year { color: hsl(var(--hue2, var(--hue)) 45% 80% / .75); }
[data-template="12"] .cover-mark { border: none; box-shadow: none; color: hsl(var(--hue2, var(--hue)) 45% 82% / .85); }

/* T13 terminal: mono, prompt, cursor */
[data-template="13"] .cover-title { font-family: var(--mono); font-weight: 500; color: var(--term-ink); }
[data-template="13"] .cover-title::before { content: "$ "; color: var(--term-green); }
[data-template="13"] .cover-divider { font-size: 0; }
[data-template="13"] .cover-divider::before { content: "▮"; font-size: 13px; color: var(--term-green); animation: ul-blink 1.2s steps(2, jump-none) infinite; }
[data-template="13"] .cover-author { color: var(--term-green); }
[data-template="13"] .cover-badge { color: var(--term-dim); }
[data-template="13"] .cover-year { color: var(--term-green); }
[data-template="13"] .cover-year::before { content: "v"; }
[data-template="13"] .cover-mark { font-family: var(--mono); font-style: normal; color: var(--term-green); border-radius: 2px; border-color: var(--term-dim); box-shadow: none; }

/* T14 vaporwave: gradiente na capa, sol de neon como divisor */
.book[data-template="14"] .cover, .card-cover[data-template="14"] {
  background-image:
    radial-gradient(ellipse 80% 60% at 30% 20%, rgba(255,255,255,.14), transparent 60%),
    linear-gradient(165deg, hsl(var(--hue2, calc(var(--hue) - 45)) 75% 58%), hsl(var(--hue) 65% 45%) 48%, hsl(calc(var(--hue2, var(--hue)) + 40) 80% 62%));
}
[data-template="14"] .cover-title { font-family: var(--display); font-weight: 300; text-transform: uppercase; letter-spacing: .14em; color: #fff; text-shadow: 0 0 10px rgba(255,255,255,.5); }
[data-template="14"] .cover-divider { font-size: 0; }
[data-template="14"] .cover-divider::before {
  content: ""; display: block; width: 22px; aspect-ratio: 1; border-radius: 50%;
  background: linear-gradient(180deg, #ffe3a3, #ff6ea9 70%, #b86bff);
  box-shadow: 0 0 12px rgba(255,150,190,.55);
}
[data-template="14"] .cover-author { color: rgba(255,255,255,.85); letter-spacing: .18em; }
[data-template="14"] .cover-badge { color: rgba(255,255,255,.7); }
[data-template="14"] .cover-year { color: rgba(255,255,255,.8); }
[data-template="14"] .cover-mark { color: #fff; border-color: rgba(255,255,255,.75); box-shadow: 0 0 8px rgba(255,255,255,.35); }

/* Escala na capa do livro 3D */
.book .cover .cover-frame { padding: 16px 14px; }
.book .cover .cover-title { font-size: 24px; }
.book .cover .plate { padding: 18px 12px; margin: 8px 4px; }
.book .cover .cover-author { font-size: 11px; }
.book .cover .cover-badge { font-size: 8.5px; padding: 3px 10px; }
.book .cover .cover-year { font-size: 10.5px; }
.book .cover .cover-mark { width: 17px; font-size: 8.5px; }
.book .cover .cover-divider { font-size: 11px; }

@media (prefers-reduced-motion: reduce) {
  [data-template="13"] .cover-divider::before { animation: none; }
}