.lb-book{--lb-cream:#fff4e2;--lb-ink:#594d41;--lb-accent:#766044;color:var(--lb-ink);font-family:inherit;margin:0 auto;max-width:1050px}.lb-book *{box-sizing:border-box}.lb-book [hidden]{display:none!important}.lb-book button{font:inherit;font-size:15px;font-weight:500;line-height:1.3;min-height:46px;padding:10px 16px;border:1px solid #b4a48e;border-radius:5px;background:transparent;color:var(--lb-ink);box-shadow:none;cursor:pointer;touch-action:manipulation}.lb-book button:hover{background:#e9ddca;color:#382f27}.lb-book button:focus-visible,.lb-book-stage:focus-visible{outline:3px solid #766044;outline-offset:3px}.lb-book button:disabled{opacity:.32;cursor:default}.lb-book-intro{display:grid;grid-template-columns:minmax(200px,370px) minmax(250px,1fr);align-items:center;gap:clamp(28px,6vw,85px);padding:30px 16px 55px}.lb-book-cover{display:block;width:100%;height:auto;box-shadow:0 12px 42px #59452c24}.lb-book-eyebrow{font-size:11px;letter-spacing:.18em}.lb-book-welcome h1{font-family:Georgia,serif;font-size:clamp(32px,4vw,50px);font-weight:400;line-height:1.2;color:var(--lb-ink)}.lb-book-welcome p{line-height:1.8}.lb-book-detail{font-size:13px;opacity:.8}.lb-book-start-actions{display:flex;flex-wrap:wrap;gap:10px;margin:25px 0 14px}.lb-book [data-start]{background:var(--lb-accent);color:white;border-color:var(--lb-accent)}.lb-book [data-start]:hover{background:#5d4933}.lb-book .lb-book-secondary{border-color:transparent;text-decoration:underline;text-underline-offset:5px}.lb-book-reader{position:fixed;inset:0;margin:0;width:100%;height:100%;height:100dvh;max-width:none;max-height:none;border:0;padding:0;background:#eee5d6;color:var(--lb-ink);overflow:hidden}.lb-book-reader[open]{display:grid;grid-template-rows:auto minmax(0,1fr) auto}.lb-book-reader::backdrop{background:#eee5d6}.lb-book-toolbar,.lb-book-controls{display:flex;align-items:center;justify-content:center;gap:16px;padding:8px max(12px,env(safe-area-inset-right)) 8px max(12px,env(safe-area-inset-left));background:#f7f0e5;z-index:1}.lb-book-toolbar{padding-top:max(8px,env(safe-area-inset-top));justify-content:space-between}.lb-book-toolbar button{border-color:transparent}.lb-book-title{font-family:Georgia,serif;font-size:19px}.lb-book-controls{padding-bottom:max(8px,env(safe-area-inset-bottom));font-variant-numeric:tabular-nums}.lb-book-controls [data-prev],.lb-book-controls [data-next]{min-width:54px;font-size:22px;padding:6px 14px}.lb-book-controls [data-counter]{min-width:55px;text-align:center;font-size:14px}.lb-book-controls [data-zoom]{font-size:13px;border-color:transparent}.lb-book-stage{min-height:0;min-width:0;display:flex;justify-content:center;align-items:center;overflow:hidden;padding:10px;touch-action:pan-y pinch-zoom;user-select:none;cursor:pointer}.lb-book-page{display:block;max-width:100%;max-height:100%;width:auto;height:auto;object-fit:contain;box-shadow:0 3px 20px #57482e15}.lb-book-page.lb-book-turn{animation:lb-book-fade .18s ease-out}.lb-book-reader.lb-book-zoom .lb-book-stage{overflow-y:auto;display:block;overscroll-behavior:contain;cursor:default}.lb-book-reader.lb-book-zoom .lb-book-page{max-height:none;width:min(100%,850px);height:auto;margin:auto}.lb-book-error{position:absolute;left:10%;right:10%;top:40%;padding:20px;text-align:center;background:#fff4e2;box-shadow:0 5px 35px #58452640;z-index:2}.lb-book-toc{position:absolute;inset:0 0 0 auto;width:min(100%,460px);background:#fff8ed;box-shadow:-15px 0 70px #51422f30;z-index:3;padding:20px;overflow-y:auto;overscroll-behavior:contain}.lb-book-toc-heading{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:20px}.lb-book-toc h2{font:26px Georgia,serif;color:var(--lb-ink);margin:0}.lb-book-toc nav{display:grid;gap:5px}.lb-book-toc nav button{display:flex;gap:20px;text-align:left;justify-content:space-between;align-items:center;border-width:0 0 1px;border-color:#e4d9c8;border-radius:0;padding:16px 5px;font-size:15px}.lb-book-toc nav button span:last-child{flex:0 0 22px;text-align:right}.lb-book-toc nav button[aria-current=page]{font-weight:700;background:#ede2cf}body.lb-book-reading{overflow:hidden!important}@keyframes lb-book-fade{from{opacity:.65;transform:translateX(3px)}to{opacity:1;transform:translateX(0)}}@media(max-width:600px){.lb-book-intro{grid-template-columns:1fr;gap:26px;padding:12px 8px 30px}.lb-book-cover{max-width:280px;margin:auto}.lb-book-welcome{text-align:center}.lb-book-start-actions{justify-content:center}.lb-book-title{font-size:16px}.lb-book-toolbar{gap:4px}.lb-book-toolbar button{padding:10px}.lb-book-controls{gap:9px}.lb-book-stage{padding:5px 0}}@media(prefers-reduced-motion:reduce){.lb-book-page.lb-book-turn{animation:none}}

.lb-book-download{margin:18px 0}.lb-book-download a{display:inline-block;min-height:44px;padding:10px 0;color:var(--lb-ink);text-decoration:underline;text-underline-offset:5px;font-size:15px}.lb-book-download .lb-book-detail{display:block}.lb-book-download a:focus-visible{outline:3px solid var(--lb-accent);outline-offset:4px}