:root{color-scheme:dark}*{box-sizing:border-box}html,body{margin:0;min-height:100%;background:#211e1b;color:#f9f6f2;font:15px/1.45 Arial,sans-serif}body.oga-book{min-height:100dvh;display:grid;grid-template-columns:minmax(0,1fr);grid-template-rows:auto minmax(0,1fr) auto}a{color:inherit}.book-bar{position:relative;z-index:5;min-height:66px;padding:10px max(14px,env(safe-area-inset-right)) 10px max(14px,env(safe-area-inset-left));display:flex;align-items:center;gap:16px;background:#171513;border-bottom:1px solid #49403b}.book-bar strong{font:400 clamp(17px,2vw,23px)/1.25 Georgia,serif;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;margin-right:auto}.book-back,.book-actions a,.book-actions button{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:8px 11px;border:1px solid #74645b;color:#fff;background:transparent;text-decoration:none;white-space:nowrap;cursor:pointer;font:inherit}.book-actions{display:flex;gap:7px}.book-back:hover,.book-actions :is(a,button):hover{background:#713b34}.book-stage{display:grid;grid-template-columns:clamp(44px,5vw,76px) minmax(0,1fr) clamp(44px,5vw,76px);align-items:center;min-height:0;padding:14px 0;background:radial-gradient(ellipse at 50% 45%,#51443a,#25211e 70%)}.book-pages{display:flex;align-items:center;justify-content:center;gap:2px;min-width:0;min-height:250px;max-height:calc(100dvh - 155px);height:100%;perspective:1400px;overflow:hidden}.book-pages canvas{display:block;max-width:100%;max-height:calc(100dvh - 167px);width:auto;height:auto;object-fit:contain;background:#fff;box-shadow:0 12px 34px rgba(0,0,0,.34)}.book-pages .book-sheet{display:flex;align-items:center;justify-content:center;min-width:0;max-width:50%;height:100%;transform-origin:left center}.book-pages .book-sheet:only-child{max-width:100%}.book-pages.is-turning{animation:book-turn .32s ease-in-out}.book-loading{padding:20px;text-align:center}.book-arrow{width:44px;height:56px;margin:auto;background:#171513d9;border:1px solid #b5a59a;color:#fff;font:34px/1 Georgia,serif;cursor:pointer}.book-arrow:hover:not(:disabled){background:#853f37}.book-arrow:disabled{opacity:.28;cursor:default}.book-footer{display:flex;align-items:center;justify-content:space-between;gap:14px;min-height:54px;padding:10px max(16px,env(safe-area-inset-right)) 10px max(16px,env(safe-area-inset-left));background:#171513;border-top:1px solid #49403b}.book-footer a{min-height:32px}.book-tip{color:#c1b7ad;font-size:12px}.book-noscript{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);background:#171513;padding:22px}a:focus-visible,button:focus-visible{outline:3px solid #d3a996;outline-offset:3px}@keyframes book-turn{0%{opacity:.65;transform:rotateY(-7deg)}100%{opacity:1;transform:rotateY(0)}}@media(max-width:700px){.book-bar{gap:7px;min-height:60px}.book-bar strong{font-size:15px}.book-back{padding-inline:8px}.book-back span{display:none}.book-actions{gap:3px}.book-actions a,.book-actions button{padding-inline:7px;font-size:12px}.book-actions a:last-child{display:none}.book-stage{grid-template-columns:44px minmax(0,1fr) 44px;padding-block:8px}.book-pages .book-sheet{max-width:100%}.book-pages canvas{max-height:calc(100dvh - 150px)}.book-footer{justify-content:center;flex-wrap:wrap;gap:2px 14px;font-size:12px}.book-tip{display:none}}@media(prefers-reduced-motion:reduce){.book-pages.is-turning{animation:none}}

.book-bar,.book-stage,.book-footer{min-width:0;width:100%}.book-bar strong{flex:1 1 0%}