/* ==========================================================================
   Biblioteca Midora — e-books
   Usa os tokens do site.css (claro/escuro). Só acrescenta os componentes da
   biblioteca: livro 3D, estante, selos de acesso, painel de acesso, galeria.
   ========================================================================== */

:root{
  --ac-livre:#3E6B58; --ac-livre-bg:rgba(62,107,88,.10);
  --ac-cad:#2F63C9;   --ac-cad-bg:rgba(59,123,246,.10);
  --ac-exc:#8A6A2B;   --ac-exc-bg:rgba(176,137,62,.13);
  --ac-breve:#82868F; --ac-breve-bg:rgba(130,134,143,.12);
  --ease:cubic-bezier(.2,.75,.2,1);
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --ac-livre:#7FB39A; --ac-livre-bg:rgba(127,179,154,.14);
  --ac-cad:#8DB6FF;   --ac-cad-bg:rgba(127,176,255,.14);
  --ac-exc:#D9B56E;   --ac-exc-bg:rgba(217,181,110,.14);
}}
:root[data-theme="dark"]{--ac-livre:#7FB39A;--ac-livre-bg:rgba(127,179,154,.14);--ac-cad:#8DB6FF;--ac-cad-bg:rgba(127,176,255,.14);--ac-exc:#D9B56E;--ac-exc-bg:rgba(217,181,110,.14)}

/* ---------- selos de acesso ---------- */
.acc{display:inline-flex;align-items:center;gap:7px;font-family:var(--mono);font-size:10.5px;letter-spacing:.12em;text-transform:uppercase;font-weight:500;padding:5px 11px 5px 9px;border-radius:30px;white-space:nowrap}
.acc svg{width:13px;height:13px}
.acc.livre{color:var(--ac-livre);background:var(--ac-livre-bg)}
.acc.cadastro{color:var(--ac-cad);background:var(--ac-cad-bg)}
.acc.exclusivo{color:var(--ac-exc);background:var(--ac-exc-bg)}
.acc.em-breve{color:var(--ac-breve);background:var(--ac-breve-bg)}
.band.dark .acc{background:rgba(255,255,255,.08)}
.band.dark .acc.livre{color:#9FD3BB}.band.dark .acc.cadastro{color:#A9C8FF}.band.dark .acc.exclusivo{color:#E6C98C}

/* ---------- livro 3D ---------- */
.bk3{--w:220px;--c:#003333;--ry:-26deg;--rx:6deg;width:var(--w);aspect-ratio:1/1.41;perspective:1600px;position:relative;flex:none}
.bk3-in{position:absolute;inset:0;transform-style:preserve-3d;transform:rotateY(var(--ry)) rotateX(var(--rx));transition:transform .8s var(--ease)}
.bk3-cover{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;border-radius:2px 5px 5px 2px;transform:translateZ(12px);
  box-shadow:inset 3px 0 0 rgba(255,255,255,.18),inset 9px 0 12px -6px rgba(0,0,0,.45);backface-visibility:hidden}
.bk3-cover-wrap{position:absolute;inset:0;transform:translateZ(12px);border-radius:2px 5px 5px 2px;overflow:hidden}
.bk3-cover-wrap::after{content:"";position:absolute;inset:0;background:linear-gradient(105deg,rgba(255,255,255,0) 40%,rgba(255,255,255,.16) 48%,rgba(255,255,255,0) 58%);transform:translateX(-60%);transition:transform 1.2s var(--ease)}
.bk3:hover .bk3-cover-wrap::after,.bk3.lit .bk3-cover-wrap::after{transform:translateX(60%)}
.bk3-spine{position:absolute;left:0;top:0;bottom:0;width:24px;background:linear-gradient(90deg,color-mix(in srgb,var(--c) 70%,#000),var(--c) 60%,color-mix(in srgb,var(--c) 85%,#fff));transform:rotateY(-90deg) translateZ(0);transform-origin:left center;border-radius:2px 0 0 2px}
.bk3-pages{position:absolute;right:3px;top:1.6%;bottom:1.6%;width:22px;background:repeating-linear-gradient(90deg,#F4F1EA 0 1.2px,#DCD6CA 1.2px 2.1px);transform:rotateY(90deg) translateZ(-1px);transform-origin:right center;box-shadow:inset 0 0 6px rgba(0,0,0,.18)}
.bk3-back{position:absolute;inset:0;background:var(--c);transform:translateZ(-12px);border-radius:2px 5px 5px 2px}
.bk3::after{content:"";position:absolute;left:6%;right:-6%;bottom:-9%;height:14%;background:radial-gradient(closest-side,rgba(10,12,16,.38),transparent);filter:blur(8px);z-index:-1;transform:translateX(calc(var(--ry) * -.4))}
.band.dark .bk3::after{background:radial-gradient(closest-side,rgba(0,0,0,.6),transparent)}
.bk3.float .bk3-in{animation:bkfloat 7s ease-in-out infinite}
@keyframes bkfloat{0%,100%{transform:rotateY(var(--ry)) rotateX(var(--rx)) translateY(0)}50%{transform:rotateY(calc(var(--ry) + 4deg)) rotateX(var(--rx)) translateY(-10px)}}

/* ---------- hero da biblioteca ---------- */
.lib-hero{padding:92px 24px 104px}
.lib-hero .in{display:grid;grid-template-columns:1.02fr .98fr;gap:40px;align-items:center}
.lib-hero h1{font-size:clamp(34px,5vw,58px);line-height:1.04;letter-spacing:-.035em;color:var(--on-dark);max-width:14ch}
.lib-hero h1 em{font-style:normal;color:var(--sand)}
.lib-hero .lede{color:var(--on-dark-2);max-width:48ch;font-size:17px;line-height:1.65}
.lib-hero .eyebrow{color:var(--sand);display:inline-flex;align-items:center;gap:10px}
.lib-hero .eyebrow::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--signal);animation:pulse 2.4s ease-out infinite}
.lib-stats{display:flex;gap:0;margin-top:30px;border-top:1px solid var(--dark-line)}
.lib-stats>div{padding:18px 26px 0 0;margin-right:26px;border-right:1px solid var(--dark-line)}
.lib-stats>div:last-child{border:0}
.lib-stats b{display:block;font-family:var(--mono);font-size:30px;font-weight:500;color:var(--on-dark);letter-spacing:-.02em;font-variant-numeric:tabular-nums;line-height:1}
.lib-stats span{display:block;font-family:var(--mono);font-size:10.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--on-dark-2);margin-top:8px}

.shelf{position:relative;height:430px}
.shelf .bk3{position:absolute}
.shelf .bk3:nth-child(1){--w:190px;left:4%;top:92px;--ry:-30deg;z-index:1}
.shelf .bk3:nth-child(2){--w:236px;left:31%;top:24px;--ry:-18deg;z-index:3}
.shelf .bk3:nth-child(3){--w:190px;left:66%;top:100px;--ry:-8deg;z-index:2}
.shelf .bk3:nth-child(1) .bk3-in{animation-delay:-2s}.shelf .bk3:nth-child(3) .bk3-in{animation-delay:-4.5s}
.shelf::before{content:"";position:absolute;left:0;right:0;bottom:22px;height:1px;background:linear-gradient(90deg,transparent,var(--dark-line) 20%,var(--dark-line) 80%,transparent)}
.shelf::after{content:"";position:absolute;left:10%;right:10%;top:10%;bottom:10%;background:radial-gradient(closest-side,var(--glow),transparent 70%);filter:blur(40px);z-index:-1}

/* ---------- barra de filtros ---------- */
.lib-bar{display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap}
.chips{display:flex;gap:8px;flex-wrap:wrap}
.chip{font-family:var(--sans);font-size:14px;color:var(--ink-2);background:transparent;border:1px solid var(--line-2);border-radius:40px;padding:9px 16px;cursor:pointer;display:inline-flex;align-items:center;gap:8px;transition:all .25s var(--ease)}
.chip b{font-family:var(--mono);font-weight:500;font-size:11.5px;color:var(--ink-3)}
.chip:hover{border-color:var(--ink);color:var(--ink)}
.chip[aria-pressed="true"]{background:var(--ink);border-color:var(--ink);color:var(--paper)}
.chip[aria-pressed="true"] b{color:var(--sand)}
.lib-bar .note{font-family:var(--mono);font-size:12px;color:var(--ink-3);letter-spacing:.04em}

/* ---------- destaque ---------- */
.feat{display:grid;grid-template-columns:.9fr 1.1fr;gap:0;border:1px solid var(--line);background:var(--paper);border-radius:4px;overflow:hidden;position:relative}
.feat-vis{position:relative;display:flex;align-items:center;justify-content:center;padding:56px 24px;background:
  radial-gradient(60% 70% at 50% 45%,color-mix(in srgb,var(--c,#003333) 26%,transparent),transparent 70%),var(--paper-2);overflow:hidden;isolation:isolate}
.feat-vis::before{content:"";position:absolute;inset:0;z-index:-1;background-image:radial-gradient(circle at 1px 1px,var(--line-2) 1px,transparent 1.5px);background-size:22px 22px;opacity:.6;-webkit-mask-image:radial-gradient(ellipse 70% 70% at 50% 50%,#000,transparent 75%);mask-image:radial-gradient(ellipse 70% 70% at 50% 50%,#000,transparent 75%)}
.feat-txt{padding:48px 48px 44px;display:flex;flex-direction:column;gap:16px}
.feat-txt .top{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.feat-txt h2{font-size:clamp(26px,3vw,36px);line-height:1.08;letter-spacing:-.03em}
.feat-txt p{color:var(--ink-2);font-size:16px;line-height:1.65}
.meta{display:flex;flex-wrap:wrap;gap:0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);margin-top:4px}
.meta>div{padding:12px 20px 12px 0;margin-right:20px;border-right:1px solid var(--line)}
.meta>div:last-child{border:0;margin:0}
.meta b{display:block;font-family:var(--mono);font-weight:500;font-size:17px;font-variant-numeric:tabular-nums}
.meta span{font-family:var(--mono);font-size:10px;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-3)}
.tags{display:flex;gap:6px;flex-wrap:wrap}
.tags span{font-size:12.5px;color:var(--ink-2);border:1px solid var(--line);border-radius:30px;padding:4px 11px;background:var(--paper-2)}
.acts{display:flex;gap:10px;flex-wrap:wrap;margin-top:6px}
.btn svg{width:16px;height:16px;flex:none}
.btn{display:inline-flex;align-items:center;gap:9px}

/* ---------- grade de livros ---------- */
.shelf-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.bcard{position:relative;display:flex;flex-direction:column;background:var(--paper);border:1px solid var(--line);border-radius:4px;overflow:hidden;text-decoration:none;color:inherit;transition:transform .45s var(--ease),box-shadow .45s var(--ease),border-color .3s,opacity .4s}
.bcard:hover{transform:translateY(-4px);box-shadow:0 24px 50px -30px rgba(20,22,28,.45);border-color:var(--line-2)}
.bcard .vis{height:300px;display:flex;align-items:center;justify-content:center;position:relative;background:radial-gradient(55% 60% at 50% 48%,color-mix(in srgb,var(--c) 22%,transparent),transparent 72%),var(--paper-2);overflow:hidden}
.bcard .vis .acc{position:absolute;left:16px;top:16px;z-index:5}
.bcard .bk3{--w:156px}
.bcard:hover .bk3{--ry:-10deg}
.bcard .tx{padding:22px 22px 24px;display:flex;flex-direction:column;gap:9px;flex:1}
.bcard .ser{font-family:var(--mono);font-size:10.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--taupe)}
.bcard h3{font-size:19px;line-height:1.18;letter-spacing:-.02em}
.bcard p{font-size:14px;line-height:1.55;color:var(--ink-2)}
.bcard .mt{margin-top:auto;padding-top:12px;display:flex;justify-content:space-between;align-items:center;font-family:var(--mono);font-size:11.5px;color:var(--ink-3);border-top:1px solid var(--line)}
.bcard .mt .go{color:var(--ink);font-family:var(--sans);font-size:13.5px;font-weight:500;display:inline-flex;align-items:center;gap:6px}
.bcard .mt .go svg{width:15px;height:15px;transition:transform .3s var(--ease)}
.bcard:hover .mt .go svg{transform:translateX(4px)}
.bcard.soon{opacity:.92}
.bcard.soon .bk3-cover{filter:saturate(.7)}
.bcard.hide{display:none}
.bcard.fade{animation:cardin .55s var(--ease) both}
@keyframes cardin{from{opacity:0;transform:translateY(14px) scale(.985)}to{opacity:1;transform:none}}

/* ---------- como funciona o acesso ---------- */
.how{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
.how>div{background:var(--paper);padding:28px 26px;display:flex;flex-direction:column;gap:10px}
.how .ic{width:40px;height:40px;border-radius:10px;display:flex;align-items:center;justify-content:center}
.how .ic svg{width:20px;height:20px}
.how .l .ic{background:var(--ac-livre-bg);color:var(--ac-livre)}.how .c .ic{background:var(--ac-cad-bg);color:var(--ac-cad)}.how .x .ic{background:var(--ac-exc-bg);color:var(--ac-exc)}
.how h3{font-size:17px}.how p{font-size:14px;color:var(--ink-2);line-height:1.6}

/* ---------- página do e-book ---------- */
.crumb{font-family:var(--mono);font-size:11.5px;letter-spacing:.06em;color:var(--ink-3);display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.crumb a{color:var(--ink-3);text-decoration:none}.crumb a:hover{color:var(--ink)}
.bk-hero{padding:56px 24px 80px;position:relative;overflow:hidden;isolation:isolate}
.bk-hero::before{content:"";position:absolute;inset:0;z-index:-1;background-image:radial-gradient(circle at 1px 1px,var(--line-2) 1.1px,transparent 1.6px);background-size:26px 26px;opacity:.5;-webkit-mask-image:radial-gradient(ellipse 50% 70% at 24% 52%,#000 18%,transparent 72%);mask-image:radial-gradient(ellipse 50% 70% at 24% 52%,#000 18%,transparent 72%)}
.bk-hero::after{content:"";position:absolute;z-index:-1;width:min(700px,80vw);aspect-ratio:1;left:-10%;top:4%;background:radial-gradient(closest-side,color-mix(in srgb,var(--c) 30%,transparent),transparent 70%);filter:blur(30px)}
.bk-hero .in{display:grid;grid-template-columns:.85fr 1.15fr;gap:64px;align-items:center;margin-top:30px}
.bk-hero .visual{display:flex;justify-content:center;padding:20px 0 30px}
.bk-hero .bk3{--w:min(330px,70vw)}
.bk-hero h1{font-size:clamp(32px,4.4vw,52px);line-height:1.04;letter-spacing:-.035em}
.bk-hero .sub{font-size:17.5px;color:var(--ink-2);line-height:1.62;max-width:54ch}
.bk-hero .top{display:flex;gap:10px;align-items:center;flex-wrap:wrap}

/* painel de acesso */
.gate{border:1px solid var(--line);background:var(--paper);border-radius:6px;padding:22px 22px 20px;position:relative;overflow:hidden;box-shadow:0 30px 60px -44px rgba(20,22,28,.5)}
.gate::before{content:"";position:absolute;left:0;top:0;right:0;height:3px;background:linear-gradient(90deg,var(--signal),transparent 70%)}
.gate.exclusivo::before{background:linear-gradient(90deg,var(--ac-exc),transparent 70%)}
.gate.livre::before{background:linear-gradient(90deg,var(--ac-livre),transparent 70%)}
.gate h3{font-size:17px;display:flex;align-items:center;gap:9px}
.gate h3 svg{width:18px;height:18px;color:var(--taupe)}
.gate p.h{font-size:14px;color:var(--ink-2);margin-top:4px;line-height:1.55}
.gate form{display:grid;gap:10px;margin-top:14px}
.gate .row{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.fld2 label{display:block;font-family:var(--mono);font-size:10.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-3);margin-bottom:5px}
.fld2 input{width:100%;font-family:var(--sans);font-size:15px;color:var(--ink);background:var(--paper-2);border:1px solid var(--line);border-radius:4px;padding:12px 13px;transition:border-color .2s,box-shadow .2s,background .2s}
.fld2 input:focus{outline:none;border-color:var(--ink);background:var(--paper);box-shadow:0 0 0 4px color-mix(in srgb,var(--signal) 18%,transparent)}
.fld2 input.code{font-family:var(--mono);letter-spacing:.18em;text-transform:uppercase;font-size:17px}
.consent{display:flex;gap:10px;align-items:flex-start;font-size:12.5px;color:var(--ink-3);line-height:1.5}
.consent input{margin-top:3px;accent-color:var(--ink)}
.gate .err{font-size:13px;color:var(--crit);min-height:0}
.gate .ok-state{display:none}
.gate.open form,.gate.open .lock-copy{display:none}
.gate.open .ok-state{display:flex;flex-direction:column;gap:12px;animation:cardin .6s var(--ease) both}
.gate .ok-state .badge{display:inline-flex;align-items:center;gap:8px;font-family:var(--mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--ok)}
.gate .ok-state .badge svg{width:16px;height:16px}
.gate .btn[aria-busy="true"]{opacity:.7;pointer-events:none}
.gate .fine{font-size:12px;color:var(--ink-3);margin-top:2px}
.gate .fine a{color:var(--ink-2)}

/* seções da página do livro */
.learn{display:grid;grid-template-columns:1fr 1fr;gap:0 40px;counter-reset:l}
.learn li{list-style:none;counter-increment:l;display:grid;grid-template-columns:44px 1fr;gap:6px;padding:16px 0;border-top:1px solid var(--line);font-size:15.5px;line-height:1.5}
.learn li::before{content:counter(l,decimal-leading-zero);font-family:var(--mono);font-size:13px;color:var(--taupe);padding-top:2px}
.learn{padding:0;margin:0}

.pv{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.pv button{all:unset;cursor:zoom-in;display:block;border-radius:3px;overflow:hidden;background:var(--paper);box-shadow:0 1px 0 var(--line),0 20px 40px -26px rgba(20,22,28,.5);transition:transform .45s var(--ease),box-shadow .45s var(--ease);position:relative}
.pv button:hover{transform:translateY(-6px) rotate(-.6deg);box-shadow:0 30px 60px -30px rgba(20,22,28,.55)}
.pv img{width:100%;aspect-ratio:1/1.41;object-fit:cover;object-position:top}
.pv button:focus-visible{outline:2px solid var(--signal);outline-offset:3px}
.pv .lock{position:absolute;inset:auto 10px 10px auto;font-family:var(--mono);font-size:10px;letter-spacing:.1em;text-transform:uppercase;background:rgba(20,22,28,.72);color:#fff;padding:4px 8px;border-radius:20px}

.toc2{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
.toc2.n4{grid-template-columns:repeat(4,1fr)}
@media(max-width:960px){.toc2,.toc2.n4{grid-template-columns:1fr 1fr}}
@media(max-width:620px){.toc2,.toc2.n4{grid-template-columns:1fr}}
.toc2>div{background:var(--paper);padding:20px 22px;display:flex;gap:16px;align-items:baseline}
.toc2 b{font-family:var(--mono);font-size:22px;font-weight:500;color:var(--taupe);min-width:36px}
.toc2 span{font-size:15.5px;font-weight:500;line-height:1.35}

.author{display:grid;grid-template-columns:120px 1fr;gap:26px;align-items:center}
.author img{width:120px;height:120px;border-radius:50%;object-fit:cover;object-position:50% 12%;filter:saturate(.9)}
.author h3{font-size:19px}.author p{color:var(--ink-2);font-size:15px;margin-top:6px;line-height:1.6}
.author .who{font-family:var(--mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--taupe)}

/* lightbox */
.lb{position:fixed;inset:0;z-index:200;background:rgba(14,16,20,.86);backdrop-filter:blur(6px);display:none;align-items:center;justify-content:center;padding:30px}
.lb.on{display:flex;animation:fadein .3s ease both}
@keyframes fadein{from{opacity:0}to{opacity:1}}
.lb img{max-height:88vh;max-width:min(92vw,700px);border-radius:3px;box-shadow:0 40px 90px -30px #000}
.lb button{position:absolute;background:rgba(255,255,255,.1);color:#fff;border:1px solid rgba(255,255,255,.25);border-radius:50%;width:46px;height:46px;cursor:pointer;font-size:20px;display:flex;align-items:center;justify-content:center}
.lb .x{top:20px;right:20px}.lb .p{left:20px;top:50%}.lb .n{right:20px;top:50%}
.lb .cap{position:absolute;bottom:22px;left:0;right:0;text-align:center;color:#cfd2d8;font-family:var(--mono);font-size:12px;letter-spacing:.08em}

/* revelar ao rolar (usa o [data-reveal] do site) */
.stagger>*{opacity:0;transform:translateY(16px);transition:opacity .7s var(--ease),transform .8s var(--ease);transition-delay:calc(var(--k,0)*90ms)}
.stagger.in-view>*{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.bk3.float .bk3-in{animation:none}.stagger>*{opacity:1;transform:none}}

/* ---------- responsivo ---------- */
@media (max-width:960px){
  .lib-hero .in,.bk-hero .in{grid-template-columns:1fr;gap:28px}
  .shelf{height:360px;max-width:520px;margin:0 auto;width:100%}
  .shelf .bk3:nth-child(1){--w:150px}.shelf .bk3:nth-child(2){--w:190px}.shelf .bk3:nth-child(3){--w:150px}
  .feat{grid-template-columns:1fr}
  .shelf-grid{grid-template-columns:1fr 1fr}
  .how{grid-template-columns:1fr}
  .pv{grid-template-columns:1fr 1fr}
  .bk-hero .visual{order:-1;padding:0 0 10px}
  .bk-hero .bk3{--w:220px}
}
@media (max-width:620px){
  .lib-hero{padding:56px 20px 64px}
  .lib-stats>div{padding-right:16px;margin-right:16px}
  .lib-stats b{font-size:24px}
  .shelf{height:300px}
  .shelf .bk3:nth-child(1){--w:120px;left:0}.shelf .bk3:nth-child(2){--w:156px;left:28%}.shelf .bk3:nth-child(3){--w:120px;left:64%}
  .shelf-grid{grid-template-columns:1fr}
  .feat-txt{padding:28px 22px}
  .learn{grid-template-columns:1fr}
  .gate .row{grid-template-columns:1fr}
  .author{grid-template-columns:84px 1fr;gap:16px}.author img{width:84px;height:84px}
  .meta{display:grid;grid-template-columns:auto auto 1fr}
  .meta>div{padding-right:12px;margin-right:12px}
  .meta b{font-size:15px}
  .lb .p,.lb .n{top:auto;bottom:60px}
}