*{box-sizing:border-box}
html,body{margin:0;background:#e9e9e6;color:#111;font-family:Georgia,"Bookerly","Times New Roman",serif;-webkit-tap-highlight-color:transparent}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;padding:0}
button:focus-visible,input:focus-visible{outline:2px solid #000;outline-offset:2px}
.device{max-width:1100px;margin:0 auto;min-height:100vh;background:#f7f7f4;display:flex;flex-direction:column}
.status{display:flex;justify-content:space-between;align-items:center;padding:8px 20px;font-family:Helvetica,Arial,sans-serif;font-size:14px}
.status-right{display:flex;gap:8px;align-items:center}
.battery{width:26px;height:12px;border:1.5px solid #111;border-radius:2px;padding:1px;position:relative}
.battery::after{content:"";position:absolute;right:-4px;top:3px;width:2px;height:4px;background:#111}
.battery-fill{display:block;height:100%;background:#111}
.bat-txt{font-size:13px}
.topbar{display:flex;gap:12px;align-items:center;padding:6px 16px 14px;border-bottom:1px solid #222}
.icon-btn{width:44px;height:44px;display:grid;place-items:center;border-radius:6px}
.icon-btn:active{background:#ddd}
.searchbar{flex:1;display:flex;gap:10px;align-items:center;height:44px;padding:0 14px;border:1.5px solid #111;border-radius:6px;background:#fff;font-family:Helvetica,Arial,sans-serif;color:#555;font-size:16px;text-align:left}
.content{flex:1;padding:8px 20px 100px}
section{margin-top:18px}
h2{font-family:Helvetica,Arial,sans-serif;font-size:20px;font-weight:700;margin:0 0 12px}
.sec-head{display:flex;justify-content:space-between;align-items:baseline;gap:10px;flex-wrap:wrap}
.link{font-family:Helvetica,Arial,sans-serif;font-size:15px;text-decoration:underline;padding:8px 0}
.muted{color:#666}.small{font-size:13px;font-family:Helvetica,Arial,sans-serif}
.shelf{display:grid;grid-template-columns:repeat(auto-fill,minmax(130px,1fr));gap:20px 16px}
.book{text-align:left;display:flex;flex-direction:column;gap:4px}
.book:active .cover{filter:invert(1)}
.cover{aspect-ratio:2/3;width:100%;border:1.5px solid #111;padding:12px 10px;display:flex;flex-direction:column;justify-content:space-between;background:#fff;box-shadow:3px 3px 0 #bbb;overflow:hidden}
.cover-a{background:#111;color:#f4f4f0}
.cover-b{background:repeating-linear-gradient(45deg,#fff 0 6px,#e2e2de 6px 7px)}
.cover-c{background:#cfcfcb}
.cover-d{background:#fff;border-width:4px;border-style:double}
.cover-author{font-family:Helvetica,Arial,sans-serif;font-size:10px;letter-spacing:.12em;text-transform:uppercase}
.cover-rule{height:1px;background:currentColor;opacity:.6}
.cover-title{font-size:17px;line-height:1.15;font-style:italic}
.cover.small{width:54px;padding:5px;box-shadow:none}
.cover.small .cover-title{font-size:9px}.cover.small .cover-author{font-size:6px}
.b-title{font-size:15px;font-weight:700;line-height:1.2;margin-top:6px}
.b-author{display:block;font-size:13px;color:#555;font-family:Helvetica,Arial,sans-serif}
.prog{height:4px;border:1px solid #111;margin-top:4px}.prog span{display:block;height:100%;background:#111}
.search-input{width:100%;height:48px;border:1.5px solid #111;border-radius:6px;padding:0 14px;font-size:17px;background:#fff;margin-bottom:12px;font-family:inherit}
.rows{list-style:none;margin:0;padding:0}
.rows li{border-bottom:1px solid #ccc}
.row-btn{display:flex;gap:14px;align-items:center;padding:10px 0;text-align:left;flex:1;width:100%}
.row-btn>span{display:flex;flex-direction:column;gap:3px}
.lib-row{display:flex;align-items:center;gap:6px}
.star{width:44px;height:44px;font-size:22px}
.chips{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:8px}
.chip{border:1.5px solid #111;border-radius:20px;padding:7px 14px;font-family:Helvetica,Arial,sans-serif;font-size:14px}
.chip.on{background:#111;color:#fff}
.bottom{position:fixed;bottom:0;left:0;right:0;max-width:1100px;margin:0 auto;display:flex;border-top:1.5px solid #111;background:#f7f7f4}
.bottom button{flex:1;display:flex;flex-direction:column;align-items:center;gap:2px;padding:10px;font-family:Helvetica,Arial,sans-serif;font-size:13px;color:#666}
.bottom button.on{color:#000;font-weight:700}
.sheet-bg{position:fixed;inset:0;background:rgba(0,0,0,.35);display:flex;align-items:flex-end;justify-content:center;z-index:20}
.sheet{background:#fff;border-top:2px solid #111;width:100%;max-width:720px;padding:22px;max-height:90vh;overflow:auto}
.info{display:grid;grid-template-columns:120px 1fr;gap:18px}
.info h3{margin:0 0 4px;font-size:22px}
.actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
.btn-k{border:1.5px solid #111;border-radius:6px;padding:10px 16px;min-height:44px;font-family:Helvetica,Arial,sans-serif;font-size:15px;background:#fff}
.btn-k.primary{background:#111;color:#fff}
.btn-k:active{background:#111;color:#fff}
.menu{list-style:none;margin:0;padding:0}
.menu button{width:100%;text-align:left;padding:16px 4px;border-bottom:1px solid #ddd;font-size:17px}
.stack-k{display:flex;flex-direction:column;gap:14px}.stack-k h3{margin:0}
.stepper{display:flex;justify-content:space-between;align-items:center;gap:10px;flex-wrap:wrap}
.stepper-ctl{display:flex;gap:8px;align-items:center}
.reader{position:fixed;inset:0;background:#fbfbf8;overflow:hidden}
.page{max-width:720px;margin:0 auto;padding:56px 28px 60px;height:100%;overflow:auto;text-align:justify;hyphens:auto}
.page p{margin:0 0 1em;text-indent:1.5em}
.chap{text-align:center;font-weight:400;font-style:italic;font-size:1.5em;margin:0 0 1.2em}
.zone{position:absolute;top:50px;bottom:40px;z-index:2}
.zone.left{left:0;width:28%}.zone.mid{left:28%;width:44%}.zone.right{right:0;width:28%}
.reader-bar{position:absolute;top:0;left:0;right:0;z-index:5;background:#fff;border-bottom:1.5px solid #111;display:flex;align-items:center;gap:10px;padding:8px 12px;flex-wrap:wrap}
.reader-name{flex:1;font-weight:700;min-width:100px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.reader-foot{position:absolute;bottom:0;left:0;right:0;display:flex;justify-content:space-between;padding:10px 24px;font-family:Helvetica,Arial,sans-serif;font-size:12px;color:#555}
@media (min-width:800px){.shelf{grid-template-columns:repeat(auto-fill,minmax(150px,1fr))}.content{padding:8px 36px 100px}}