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90px);scrollbar-gutter:stable}.page{--scale-round-x:1px;--scale-round-y:1px;--user-unit:1;--total-scale-factor:var(--scale-factor);position:relative;background:#fff;box-shadow:0 3px 18px #18392f12;margin:0 auto;min-width:1px}canvas{display:block}.textLayer{position:absolute;inset:0}.chapter-pagination{display:flex;justify-content:space-between;gap:18px;max-width:920px;margin:24px auto 0}.chapter-pagination a{display:flex;align-items:center;font:13px/1.5 Arial,sans-serif;min-height:48px;max-width:46%;text-decoration:none}.chapter-pagination a[hidden]{display:none}@media(max-width:800px){.reader-layout{grid-template-columns:1fr}.reader-header{padding:12px 18px}.reader-brand{font-size:17px;gap:9px}.reader-brand img{width:34px;height:34px}.reader-header>a:last-child{font-size:12px}.reader-aside{position:static;max-height:none;border:0;border-bottom:1px solid var(--rule);padding:20px;display:grid;grid-template-columns:48px minmax(0,1fr);gap:0 15px;align-items:center}.reader-aside>a:first-child{grid-row:1/4}.reader-aside img{width:48px}.reader-aside>.eyebrow{margin:0;font-size:9px}.reader-book{font-size:23px;margin:2px 0}.reader-author{font-size:11px;margin:0}.reader-chapters{grid-column:1/-1;margin-top:14px;border-top:1px solid var(--rule)}.reader-chapters summary{font-size:13px}.reader-chapters nav{max-height:46dvh;overflow:auto}.reader-chapters a{font-size:17px;padding:14px 0}.reader-download,.reader-doi{grid-column:1/-1;margin:0;display:none}.reader-aside:has(details[open])>.reader-download,.reader-aside:has(details[open])>.reader-doi{display:block}main{padding:27px 14px 35px}.chapter-heading{margin:0 6px 22px}h1{font-size:29px;line-height:1.25}.reader-toolbar{padding:6px 4px;gap:3px;justify-content:center}.page-controls,.zoom-controls{gap:0}.reader-toolbar button{min-width:44px}.page-controls label{font-size:10px;margin:0 5px}.page-controls input{width:47px}.reader-toolbar #fit-width{padding:0 6px;font-size:11px;min-width:43px}.reader-status{margin:10px 6px;font-size:11px}.page-scroll{padding:8px;max-height:calc(100dvh - 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