body{height:100dvh;grid-template-rows:72px minmax(0,1fr) 72px}header a{font-size:14px}header span{font-size:12px;letter-spacing:.08em}main{padding:16px;background:radial-gradient(ellipse at center,#334153,#111c2b 80%)}.reader{position:relative;display:flex;justify-content:center;align-items:center;max-width:1600px;width:100%;height:100%;gap:16px}.book{position:relative;display:grid;flex:none;min-height:0;isolation:isolate;touch-action:pan-y;user-select:none;filter:none;box-shadow:0 16px 48px #0007;perspective:none;background:transparent;overflow:hidden;cursor:grab}.book:active{cursor:grabbing}.book>figure{width:100%;height:100%;margin:0;border:0;border-radius:0;display:block;background:transparent;overflow:hidden}.book>figure[hidden]{display:none!important}.book figure img{width:100%;height:100%;max-width:none;max-height:none;object-fit:contain;display:block;pointer-events:none;background:transparent}.book::before,.book::after{display:none}.book figcaption{display:none}.nav{position:absolute;z-index:3;width:44px;height:56px;border-radius:12px;font-size:36px}.prev{left:0}.next{right:0}.loading{display:none;position:absolute;inset:0;z-index:5;align-items:center;justify-content:center;background:#152438;color:#fff;padding:20px;text-align:center}.is-loading .loading{display:flex}.spread-out{position:absolute;inset:0;display:grid;z-index:4;pointer-events:none;background:#fff}.spread-out img{width:100%;height:100%;object-fit:contain;min-width:0}footer span{font-size:14px;min-width:140px}footer button{font-size:14px;border-radius:8px}footer small{font-size:12px}button:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid #d6a13b;outline-offset:4px}@media(max-width:700px){body{grid-template-rows:64px minmax(0,1fr) 84px}header{padding:0 10px}header b{font-size:16px}header a{font-size:12px}header span{font-size:10px}header .header-actions a{display:none}main{padding:8px 4px}.nav{width:32px;height:48px;font-size:28px}.reader{gap:6px}footer{padding:8px;gap:8px}footer span{min-width:115px}footer small{display:none}.book .second{display:block}}
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.page-viewport{position:absolute;inset:0 58px;overflow:auto;display:flex;align-items:center;justify-content:center;overscroll-behavior:contain;scrollbar-width:thin;scrollbar-color:#8b9db0 #132235}.page-viewport.zoomed{display:block}.page-viewport.zoomed .book{margin:auto}.book{overflow:visible;isolation:auto}.paper-scene{position:absolute;inset:0;z-index:5;perspective:2200px;pointer-events:none}.paper-leaf{position:absolute;inset:0;transform-origin:left center;transform-style:preserve-3d;will-change:transform}.paper-scene.backward .paper-leaf{transform-origin:right center}.paper-scene.double .paper-leaf{left:50%}.paper-scene.double.backward .paper-leaf{left:0;right:50%}.paper-face{position:absolute;inset:0;background:white;backface-visibility:hidden;overflow:hidden;box-shadow:0 8px 24px #0005}.paper-face img{width:100%;height:100%;display:block;object-fit:contain}.paper-back{transform:rotateY(180deg)}.paper-face:after{content:'';position:absolute;inset:0;background:linear-gradient(90deg,#0002,transparent 15%,transparent 80%,#0001);pointer-events:none}.zoom-bar{display:flex;align-items:center;gap:4px}.zoom-bar button{min-width:38px;min-height:38px;padding:6px;font-size:16px}.zoom-bar #zoomReset{min-width:66px;font-size:13px}.zoom-bar button:disabled{opacity:.35}footer small{display:none}body{grid-template-rows:72px minmax(0,1fr) 76px}@media(max-width:700px){body{grid-template-rows:64px minmax(0,1fr) 108px}.page-viewport{inset:0 38px}footer{justify-content:center;align-content:center;gap:6px}footer input{width:30vw}.zoom-bar{flex-basis:100%;justify-content:center}.zoom-bar button{min-height:36px}#fullscreen{font-size:0}}@media(max-height:500px) and (orientation:landscape){body{grid-template-rows:44px minmax(0,1fr) 50px}.zoom-bar{flex-basis:auto}footer{gap:8px}footer input{width:18vw}.zoom-bar button{min-width:32px}}