.mb-root{--mb-accent:var(--gold,#c99a5b);--mb-ink:var(--ink,#201d19);--mb-soft:var(--ink-soft,#5b544a);position:relative;display:flex;flex-direction:column;align-items:center;gap:1.4rem;padding:0 clamp(.75rem,3vw,2rem)}.mb-spread-wrap,.mb-viewer{width:100%;display:flex;justify-content:center}.mb-spread{position:relative;width:min(1080px,94vw,calc((100svh - 260px) * 3 / 2));aspect-ratio:3/2;perspective:2400px;transform-style:preserve-3d;touch-action:pan-y}.mb-spread img{pointer-events:none}.mb-book-shadow{position:absolute;inset:4% 2% -2%;background:radial-gradient(ellipse at center,rgba(28,26,23,.22),transparent 70%);filter:blur(18px);z-index:0}.mb-leaf{position:absolute;top:0;bottom:0;width:50%;overflow:hidden;z-index:1}.mb-leaf-left{left:0;border-radius:3px 0 0 3px;box-shadow:inset -14px 0 24px -14px rgba(28,26,23,.4)}.mb-leaf-right{right:0;border-radius:0 3px 3px 0;box-shadow:inset 14px 0 24px -14px rgba(28,26,23,.4)}.mb-leaf-under{z-index:1}.mb-art{position:absolute;inset:0;width:100%;height:100%;background:var(--cream-deep,#eae2d4)}.mb-art-dark{background:var(--charcoal,#1c1a17)}.mb-art-light{background:linear-gradient(135deg,var(--cream-deep,#eae2d4),#d8ccb6)}.mb-art img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;display:block;-webkit-user-select:none;-moz-user-select:none;user-select:none}.mb-art-blank{background:transparent}.mb-art-fallback{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:.5rem;text-align:center;padding:1.5rem}.mb-art-dark .mb-art-fallback,.mb-art-fallback.mb-art-dark{color:var(--gold,#c99a5b)}.mb-art-fallback.mb-art-light,.mb-art-light .mb-art-fallback{color:var(--wood,#a9723f)}.mb-art-fallback-chapter{font-size:.72rem;letter-spacing:.28em;opacity:.75}.mb-art-fallback-title{font-family:var(--font-heading);font-weight:600;letter-spacing:-.01em;font-size:clamp(1.2rem,2.2vw,1.8rem)}.mb-spine{left:50%;width:2px;transform:translateX(-1px);background:linear-gradient(90deg,rgba(28,26,23,.32),rgba(255,255,255,.14) 50%,rgba(28,26,23,.32));z-index:4}.mb-peel,.mb-spine{position:absolute;top:0;bottom:0;pointer-events:none}.mb-peel{right:0;width:50%;z-index:3;transform-origin:left center;transform-style:preserve-3d;transform:translateZ(0) rotateY(0deg) rotate(0deg);transition:transform .85s cubic-bezier(.22,.61,.36,1);border-radius:0 3px 3px 0;overflow:hidden;box-shadow:0 0 0 rgba(28,26,23,0);will-change:transform}.mb-peel.is-settled{transform:translate3d(22px,-8px,26px) rotateY(-11deg) rotate(-2deg);box-shadow:-18px 22px 34px -18px rgba(28,26,23,.5)}.mb-peel.is-hover.is-settled{transform:translate3d(30px,-12px,40px) rotateY(-16deg) rotate(-3deg);box-shadow:-24px 28px 42px -18px rgba(28,26,23,.6)}.mb-peel-face{position:absolute;inset:0;overflow:hidden;-webkit-backface-visibility:hidden;backface-visibility:hidden}.mb-peel-shade{inset:0;background:linear-gradient(270deg,rgba(28,26,23,.16),transparent 42%)}.mb-peel-edge,.mb-peel-shade{position:absolute;pointer-events:none}.mb-peel-edge{top:0;bottom:0;right:0;width:10px;background:linear-gradient(270deg,rgba(255,255,255,.28),transparent)}.mb-edge-right.has-peel{cursor:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='28' height='28' viewport='0 0 28 28'><text x='4' y='20' font-size='20'>→</text></svg>") 14 14,ew-resize}.mb-turning{position:absolute;top:0;bottom:0;width:50%;transform-style:preserve-3d;z-index:5;will-change:transform;-webkit-backface-visibility:hidden;backface-visibility:hidden}.mb-turning-next{right:0;transform-origin:left center}.mb-turning-prev{left:0;transform-origin:right center}.mb-turn-face{position:absolute;inset:0;overflow:hidden;backface-visibility:hidden;-webkit-backface-visibility:hidden}.mb-turn-front{z-index:2}.mb-turn-back{transform:rotateY(180deg)}.mb-turn-shade{position:absolute;inset:0;background:linear-gradient(90deg,rgba(28,26,23,.35),transparent);z-index:3;pointer-events:none}.mb-turning-next .mb-turn-shade{background:linear-gradient(270deg,rgba(28,26,23,.35),transparent)}.mb-edge{position:absolute;top:0;bottom:0;width:24%;z-index:6;border:none;background:transparent;cursor:pointer;display:flex;align-items:center;touch-action:pan-y}.mb-edge-left{left:0;justify-content:flex-start;padding-left:.5rem}.mb-edge-right{right:0;justify-content:flex-end;padding-right:.5rem}.mb-edge:disabled{cursor:default}.mb-edge-arrow{font-size:1.8rem;line-height:1;color:var(--cream,#f4efe6);background:rgba(28,26,23,.4);width:44px;height:44px;border-radius:999px;display:flex;align-items:center;justify-content:center;opacity:0;transform:translateY(0);transition:opacity .25s ease;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.mb-edge:not(:disabled):hover .mb-edge-arrow{opacity:1}.mb-edge-right.has-peel .mb-edge-arrow,.mb-edge:disabled .mb-edge-arrow{display:none}.mb-zoom-hit{position:absolute;top:0;bottom:0;left:24%;right:24%;z-index:3;border:none;background:transparent;cursor:zoom-in}.mb-mobile{width:100%;display:flex;flex-direction:column;align-items:center;gap:1rem}.mb-mobile-stage{position:relative;width:min(440px,92vw);aspect-ratio:3/4;border-radius:3px;box-shadow:0 18px 40px rgba(28,26,23,.24);touch-action:pan-y;perspective:1600px}.mb-mobile-base{z-index:1;overflow:hidden}.mb-mobile-base,.mb-mobile-leaf{position:absolute;inset:0;border-radius:3px}.mb-mobile-leaf{z-index:3;transform-style:preserve-3d;transform-origin:left center;will-change:transform}.mb-mobile-leaf .mb-turn-face{position:absolute;inset:0;overflow:hidden;backface-visibility:hidden;-webkit-backface-visibility:hidden;border-radius:3px}.mb-mobile-leaf .mb-turn-back{transform:rotateY(180deg)}.mb-mobile-leaf .mb-turn-shade{position:absolute;inset:0;background:linear-gradient(270deg,rgba(28,26,23,.4),transparent 60%);pointer-events:none}.mb-mobile-dots{display:flex;gap:.4rem}.mb-dot{width:6px;height:6px;border-radius:999px;background:rgba(28,26,23,.2);transition:all .25s ease}.mb-dot.is-active{background:var(--mb-accent);width:18px}.mb-controls{display:flex;align-items:center;justify-content:center;gap:1.6rem}.mb-nav-btn{width:44px;height:44px;border-radius:999px;border:1px solid rgba(28,26,23,.14);background:transparent;color:var(--mb-ink);font-size:1.5rem;line-height:1;cursor:pointer;transition:all .2s ease}.mb-nav-btn:hover:not(:disabled){background:var(--mb-ink);color:var(--cream,#f4efe6);border-color:var(--mb-ink)}.mb-nav-btn:disabled{opacity:.3;cursor:default}.mb-indicator{min-width:84px;text-align:center;font-feature-settings:"tnum";font-variant-numeric:tabular-nums;font-size:.85rem;letter-spacing:.2em;color:var(--mb-soft)}.mb-utility{display:flex;justify-content:center;align-items:center;gap:.7rem;flex-wrap:wrap;margin-top:-.5rem}.mb-download{display:inline-flex;align-items:center;gap:.55rem;padding:.72rem 1.4rem;border-radius:999px;font-size:.74rem;font-weight:600;letter-spacing:.12em;text-transform:uppercase;white-space:nowrap;transition:border-color .2s ease,color .2s ease,background .2s ease,transform .12s ease}.mb-download:active{transform:translateY(1px)}.mb-order{background:var(--mb-ink);color:var(--cream,#f4efe6);border:1px solid var(--mb-ink)}.mb-order svg{color:currentColor}.mb-order:hover{background:#2b2721;border-color:#2b2721;color:#fff}.mb-download:not(.mb-order){border:1.5px solid rgba(28,26,23,.32);color:var(--mb-ink);background:transparent}.mb-download:not(.mb-order) svg{color:var(--wood,#a9723f)}.mb-download:not(.mb-order):hover{border-color:var(--mb-ink);color:var(--mb-ink);background:rgba(28,26,23,.05)}.mb-download:focus-visible,.mb-edge:focus-visible,.mb-nav-btn:focus-visible,.mb-zoom-close:focus-visible{outline:2px solid var(--wood,#a9723f);outline-offset:2px}.mb-zoom{position:fixed;inset:0;z-index:200;display:flex;align-items:center;justify-content:center}.mb-zoom-backdrop{position:absolute;inset:0;background:rgba(18,16,13,.95)}.mb-zoom-viewport{position:relative;z-index:2;width:96vw;height:92vh;display:flex;align-items:center;justify-content:center;overflow:hidden;touch-action:none}.mb-zoom-img{max-width:96vw;max-height:92vh;object-fit:contain;transition:transform .18s ease-out;will-change:transform}.mb-zoom-toolbar{position:absolute;bottom:1.5rem;left:50%;transform:translateX(-50%);z-index:3;display:flex;align-items:center;gap:1rem;background:rgba(0,0,0,.45);padding:.5rem 1.1rem;border-radius:999px;color:#fff}.mb-zoom-toolbar button{background:none;border:none;color:#fff;font-size:1.4rem;line-height:1;cursor:pointer;width:28px}.mb-zoom-toolbar button:disabled{opacity:.35;cursor:default}.mb-zoom-level{font-feature-settings:"tnum";font-variant-numeric:tabular-nums;font-size:.85rem;min-width:44px;text-align:center}.mb-zoom-close{position:absolute;top:1.25rem;right:1.25rem;z-index:3;width:46px;height:46px;border-radius:999px;border:none;background:rgba(255,255,255,.12);color:#fff;font-size:1.15rem;cursor:pointer;transition:background .2s ease}.mb-zoom-close:hover{background:rgba(255,255,255,.24)}@media (prefers-reduced-motion:reduce){.mb-dot,.mb-mobile-leaf,.mb-turning,.mb-zoom-img{transition:none}}@media (max-width:820px){.mb-root{gap:1rem}}