.bbr{padding:90px clamp(24px,6vw,110px);background:#111310;color:var(--bbr-paper);font-family:'Helvetica Neue',Helvetica,Arial,sans-serif;scroll-margin-top:84px}
.bbr [hidden]{display:none!important}.bbr *{box-sizing:border-box}.bbr :is(button,a,[data-book-stage]):focus-visible{outline:2px solid var(--bbr-accent);outline-offset:4px}
.bbr .bbr-intro{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;margin-bottom:40px}
.bbr-intro>div>p{font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--bbr-accent);margin:0 0 18px!important}
.bbr .bbr-intro h2{font-size:clamp(44px,5vw,76px);font-weight:400;line-height:1.05;letter-spacing:-.045em;margin:0}
.bbr-intro>p{font-size:14px;line-height:1.7;color:#b1b1a5;margin:0}
.bbr-shell{position:relative;max-width:1560px;margin:auto;background:#1b1d18;border:1px solid #ffffff20;padding:0 28px 16px;box-shadow:0 20px 55px #0003}
.bbr-top{display:flex;align-items:center;gap:20px;min-height:66px;font-size:12px}.bbr-top>span:first-child{margin-right:auto}.bbr-edition{font-size:10px;color:#b1b1a5}
.bbr button{font:inherit;color:inherit;border:0;background:none;cursor:pointer}.bbr-top button{min-height:44px;font-size:12px;padding:8px 0 8px 16px}.bbr button:disabled{opacity:.25;cursor:default}
.bbr-stage{position:relative;aspect-ratio:16/9;perspective:2400px;isolation:isolate;background:var(--bbr-paper);outline-offset:6px;touch-action:pan-y pinch-zoom;box-shadow:0 5px 0 -1px #c5c3b9,0 9px 0 -2px #75766c,0 18px 26px #0005}
.bbr .bbr-stage>img{display:block;width:100%;height:100%;object-fit:contain;margin:0}
.bbr-page-edge{position:absolute;inset:0;pointer-events:none;box-shadow:inset 1px 0 5px #0001}
.bbr-controls{display:flex;align-items:center;justify-content:space-between;gap:20px;padding-top:22px;min-height:77px;font-size:12px}
.bbr-controls>button,.bbr-controls>a{display:inline-flex;align-items:center;gap:16px;min-height:44px;text-decoration:none;min-width:100px}.bbr-controls>a{justify-content:flex-end}
.bbr-pagination{display:flex;align-items:center;gap:24px}.bbr-pagination button{border:1px solid #ffffff32;width:44px;height:44px;border-radius:50%;font-size:19px}.bbr-pagination button:hover:not(:disabled){background:var(--bbr-paper);color:#171914}
.bbr .bbr-pagination p{margin:0;font-size:12px;font-variant-numeric:tabular-nums;white-space:nowrap}.bbr-pagination p span{color:#939589;margin-left:4px}
.bbr .bbr-caption{font-size:11px;color:#a2a596;margin:0;text-align:center;line-height:1.5;padding-top:4px}
.bbr-index{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:20px;max-height:360px;overflow:auto;border-top:1px solid #ffffff20;padding:22px 0;margin:12px 0}
.bbr-index button{display:block;padding:5px;text-align:left;border:1px solid transparent}.bbr-index button[aria-current=true]{border-color:var(--bbr-accent)}.bbr .bbr-index img{width:100%;height:auto;aspect-ratio:16/9;object-fit:contain}.bbr-index span{display:block;font-size:10px;line-height:1.5;margin-top:8px;color:#b5b8ac}
.bbr-turn{position:absolute;inset:0;pointer-events:none;perspective:2400px;z-index:3}.bbr-turn-still{position:absolute;inset:0;background-size:100% 100%;clip-path:inset(0 50% 0 0)}
.bbr-turn-leaf{position:absolute;left:50%;top:0;width:50%;height:100%;transform-origin:left center;transform-style:preserve-3d}
.bbr-turn-front,.bbr-turn-back{position:absolute;inset:0;backface-visibility:hidden;background-size:200% 100%;background-position:right center;background-repeat:no-repeat;box-shadow:0 0 22px #0002}
.bbr-turn-back{transform:rotateY(180deg);background-position:left center}.bbr-turn-back::after{content:'';position:absolute;inset:0;background:linear-gradient(90deg,#0001,transparent 20%,#0002)}
.bbr-turn-backward .bbr-turn-still{clip-path:inset(0 0 0 50%)}.bbr-turn-backward .bbr-turn-leaf{left:0;transform-origin:right center}.bbr-turn-backward .bbr-turn-front{background-position:left center}.bbr-turn-backward .bbr-turn-back{background-position:right center}
.bbr-shell.is-expanded{position:fixed;inset:0;z-index:30000;border:0;max-width:none;overflow:auto;display:flex;flex-direction:column;align-items:stretch;padding-inline:max(24px,calc((100vw - 1520px)/2));padding-bottom:20px;background:#131511}
.bbr-shell.is-expanded .bbr-stage{flex:none;width:min(100%,calc((100dvh - 168px)*16/9));margin:auto;min-height:0}.bbr-shell.is-expanded .bbr-top,.bbr-shell.is-expanded .bbr-controls{flex-shrink:0}.bbr-shell.is-expanded .bbr-index{position:absolute;inset:66px 28px 95px;max-height:none;padding:20px;background:#191c17;z-index:8;margin:0}
@media(max-width:760px){.bbr{padding:60px 20px}.bbr .bbr-intro{display:block}.bbr-intro>p{margin-top:22px!important}.bbr-shell{padding-inline:12px}.bbr-top{gap:10px;min-height:58px;font-size:11px}.bbr-edition{display:none}.bbr-controls{gap:10px;flex-wrap:wrap;min-height:80px}.bbr-pagination{gap:12px;order:0;margin:auto}.bbr-controls>button{order:1;min-width:0;font-size:11px}.bbr-controls>a{order:2;min-width:0;font-size:11px}.bbr-index{grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}.bbr-shell.is-expanded{padding-inline:12px}.bbr-shell.is-expanded .bbr-stage{width:100%}.bbr-shell.is-expanded .bbr-index{inset-inline:12px}.bbr-caption{padding-bottom:5px}}
@media(max-width:440px){.bbr-controls{justify-content:space-between}.bbr-pagination{width:100%;justify-content:center}.bbr-controls>button,.bbr-controls>a{min-height:32px}.bbr-index{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(prefers-reduced-motion:reduce){.bbr *{scroll-behavior:auto!important;animation:none!important;transition:none!important}}