book-page-preview{position:relative;display:block;min-width:0;--bpe-duration:60s;--bpe-duration-reverse:66s;--bpe-card-width:min(66vw,300px)}
book-page-preview.bpe-ready [data-bpe-source]{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;width:100%;max-width:540px;height:720px;max-height:720px;margin-left:auto;overflow:hidden;padding:0;scrollbar-width:none;-webkit-mask-image:linear-gradient(transparent 0,#000 14%,#000 86%,transparent 100%);mask-image:linear-gradient(transparent 0,#000 14%,#000 86%,transparent 100%)}
book-page-preview.bpe-ready .bpe-column{min-width:0}
book-page-preview.bpe-ready .bpe-track{display:flex;flex-direction:column;gap:20px;animation:bpe-up var(--bpe-duration) linear infinite;will-change:transform}
book-page-preview.bpe-ready .bpe-track-1{animation-name:bpe-down;animation-duration:var(--bpe-duration-reverse)}
book-page-preview.bpe-ready .bpe-track>.pcard{flex:0 0 auto;width:100%;aspect-ratio:411/609}
book-page-preview.bpe-ready .bpe-track .pcard img{width:100%;height:100%;object-fit:cover}
book-page-preview.bpe-ready[data-bpe-stopped] .bpe-track,book-page-preview.bpe-ready:hover .bpe-track,book-page-preview.bpe-ready:focus-within .bpe-track{animation-play-state:paused}
book-page-preview.bpe-ready .bpe-single{grid-template-columns:minmax(0,1fr);max-width:280px}
book-page-preview.bpe-ready .bpe-single .bpe-column:empty{display:none}
book-page-preview.bpe-ready .bpe-deck{display:none}
book-page-preview.bpe-ready [data-bpe-controls]{display:flex;justify-content:center;gap:12px;margin-top:14px}
book-page-preview.bpe-ready [data-bpe-controls]>button{display:grid;place-items:center;width:40px;height:40px;padding:0;border:1px solid currentColor;border-radius:50%;background:transparent;color:var(--ink);font:400 20px/1 var(--sans);cursor:pointer}
book-page-preview.bpe-ready [data-bpe-controls]>[data-bpe-prev],book-page-preview.bpe-ready [data-bpe-controls]>[data-bpe-next]{display:none}
book-page-preview.bpe-ready [data-bpe-controls]>button[hidden]{display:none}
book-page-preview.bpe-ready .bpe-caption{margin:12px 0 0;text-align:center;color:var(--on-teal-muted);font:500 12px/1.5 var(--mono)}
book-page-preview.bpe-ready .bpe-dots{display:flex;justify-content:center;align-items:center;gap:8px;flex-wrap:wrap;margin-top:14px;padding:0 8px}
book-page-preview.bpe-ready .bpe-dots button{border:0;border-radius:50%;width:8px;height:8px;padding:0;background:var(--on-teal);opacity:.3;cursor:pointer;transition:opacity .25s,transform .25s}
book-page-preview.bpe-ready .bpe-dots button[aria-current=true]{opacity:1;transform:scale(1.25)}
@keyframes bpe-up{from{transform:translateY(0)}to{transform:translateY(calc(-50% - 10px))}}
@keyframes bpe-down{from{transform:translateY(calc(-50% - 10px))}to{transform:translateY(0)}}
@media(max-width:900px){
 book-page-preview.bpe-ready [data-bpe-source]{display:none}
 book-page-preview.bpe-ready .bpe-deck{display:block;width:100%;min-width:0;overflow:clip;padding-top:12px}
 book-page-preview.bpe-ready .bpe-stack{position:relative;width:100%;height:calc(var(--bpe-card-width) * 1.482 + 44px);touch-action:pan-y;user-select:none;-webkit-user-select:none}
 book-page-preview.bpe-ready .bpe-card{position:absolute;top:6px;left:50%;width:var(--bpe-card-width);transition:transform .55s cubic-bezier(.2,.8,.2,1),opacity .4s;will-change:transform}
 book-page-preview.bpe-ready .bpe-card .pcard{width:100%;height:auto;aspect-ratio:411/609;cursor:pointer;box-shadow:0 18px 42px -20px rgba(0,0,0,.65)}
 book-page-preview.bpe-ready .bpe-card .pcard img{width:100%;height:100%;object-fit:cover}
 book-page-preview.bpe-ready [data-bpe-controls]>[data-bpe-prev],book-page-preview.bpe-ready [data-bpe-controls]>[data-bpe-next]{display:grid}
}
@media(prefers-reduced-motion:reduce){
 book-page-preview.bpe-ready .bpe-track{animation:none;will-change:auto}
 book-page-preview.bpe-ready [data-bpe-source]{overflow-y:auto;-webkit-mask-image:none;mask-image:none}
 book-page-preview.bpe-ready .bpe-card{transition:none;will-change:auto}
 book-page-preview.bpe-ready .bpe-track>[data-bpe-clone]{display:none}
}

@media(min-width:901px){book-page-preview.bpe-ready [data-bpe-controls]{position:absolute;right:16px;bottom:16px;z-index:2;margin:0}book-page-preview.bpe-ready [data-bpe-controls]>button{background:var(--bg)}}
book-page-preview.bpe-ready[data-bpe-disabled] .bpe-track{animation:none;will-change:auto}
book-page-preview.bpe-ready[data-bpe-disabled] [data-bpe-source]{overflow-y:auto;-webkit-mask-image:none;mask-image:none}
book-page-preview.bpe-ready[data-bpe-disabled] .bpe-track>[data-bpe-clone]{display:none}