.emdb-book{--emdb-bg:#080808;--emdb-height:720px;width:100%;margin:32px auto;color:#eee;background:var(--emdb-bg);padding:22px;box-sizing:border-box;border-radius:4px}
.emdb-title{text-align:center;color:#f1eee7;font-family:Georgia,"Times New Roman",serif;font-weight:400;letter-spacing:.08em;margin:0 0 18px}
.emdb-shell{display:grid;grid-template-columns:52px minmax(0,1fr) 52px;align-items:center;gap:10px;outline:none}
.emdb-stage{position:relative;display:block;max-width:1100px;width:100%;height:min(var(--emdb-height),70vw);min-height:420px;margin:auto;perspective:2400px;filter:drop-shadow(0 18px 28px rgba(0,0,0,.55));overflow:visible}
.emdb-page,.emdb-turn{background:#111;overflow:hidden;backface-visibility:hidden;transform-style:preserve-3d}
.emdb-left{position:absolute;inset:0;border-radius:5px}
.emdb-right{display:none}
.emdb-page img,.emdb-turn img{width:100%;height:100%;object-fit:contain;display:block;background:#0b0b0b}
.emdb-empty{visibility:hidden}
.emdb-turn{position:absolute;inset:0;width:100%;height:100%;z-index:5;pointer-events:none;opacity:0;border-radius:5px}
.emdb-turn-next{transform-origin:left center;transform:rotateY(0deg)}
.emdb-turn-prev{transform-origin:left center;transform:rotateY(-180deg)}
.emdb-turn.emdb-animate{opacity:1;transition:transform .7s cubic-bezier(.45,.05,.15,1),filter .7s}
.emdb-turn-next.emdb-animate{transform:rotateY(-180deg);filter:brightness(.42)}
.emdb-turn-prev.emdb-animate{transform:rotateY(0deg);filter:brightness(1)}
.emdb-nav{width:46px;height:64px;border:1px solid rgba(255,255,255,.2);border-radius:4px;background:rgba(255,255,255,.06);color:#fff;font-size:42px;line-height:1;cursor:pointer;transition:.2s}
.emdb-nav:hover:not(:disabled){background:rgba(255,255,255,.16)}
.emdb-nav:disabled{opacity:.2;cursor:default}
.emdb-toolbar{display:flex;justify-content:center;align-items:center;gap:20px;min-height:44px;padding-top:14px}
.emdb-counter{font-variant-numeric:tabular-nums;color:#c8c3b8}
.emdb-fullscreen{border:1px solid rgba(255,255,255,.35);background:transparent;color:#eee;padding:7px 14px;border-radius:3px;cursor:pointer}
.emdb-book:fullscreen{display:flex;flex-direction:column;justify-content:center;border-radius:0}
.emdb-book:fullscreen .emdb-stage{height:80vh;max-width:1400px}
.emdb-book:fullscreen .emdb-shell{width:100%}
@media(max-width:767px){
.emdb-book{padding:14px 8px;margin:20px auto}
.emdb-title{font-size:20px}
.emdb-shell{grid-template-columns:38px minmax(0,1fr) 38px;gap:4px}
.emdb-stage{width:100%;height:min(126vw,72vh);min-height:340px}
.emdb-nav{width:36px;height:52px;font-size:32px}
.emdb-toolbar{padding-top:8px}
}
@media(prefers-reduced-motion:reduce){.emdb-turn.emdb-animate{transition-duration:.01ms}}