:root{color:#eee;font-synthesis:none;background:#252525;font-family:system-ui,Microsoft JhengHei,sans-serif}*{box-sizing:border-box}body{color:#eee;background:#252525;margin:0}body[data-theme=light]{color:#292929;background:#f2f1ee}button,input,select,textarea{font:inherit}button{min-height:44px;color:inherit;cursor:pointer;touch-action:manipulation;background:0 0;border:1px solid #646464;border-radius:10px;padding:9px 13px}button:hover{border-color:#f29eb2}button:focus-visible,input:focus-visible{outline-offset:2px;outline:3px solid #f29eb2}button:disabled{opacity:.45;cursor:wait}.primary{color:#252525;background:#8faf9b;border-color:#8faf9b;font-weight:700}.danger{color:#fff;background:#a72847}.brand{color:#252525;padding:calc(16px + env(safe-area-inset-top)) 20px 16px;background:#8faf9b;align-items:center;gap:12px;display:flex}.brand img{width:48px;height:48px}.brand h1{margin:0;font-size:26px}.brand small{font-size:12px}.brand>button{border-color:#292929;margin-left:auto}.shelf-body{max-width:940px;padding:24px 18px calc(28px + env(safe-area-inset-bottom));margin:auto}.shelf-heading{justify-content:space-between;align-items:center;gap:8px;display:flex}.shelf-heading h2{font-size:22px}.shelf-heading small{color:#aaa;font-size:12px;font-weight:400}.tabs{border-bottom:1px solid #555;gap:6px;margin:10px 0 20px;display:flex}.tabs button{color:#aaa;border:0;border-radius:0;flex:1;font-size:15px}.tabs .selected{color:#f29eb2;border-bottom:3px solid #f29eb2}.search{width:100%;color:inherit;background:#7f7f7f1a;border:1px solid #555;border-radius:12px;margin-bottom:20px;padding:13px 16px}.book-list{gap:16px;display:grid}.book-card{background:#7f7f7f0a;border:1px solid #444;border-radius:16px;padding:14px}.open-book{text-align:left;border:0;align-items:center;gap:18px;width:100%;padding:0;display:flex}.cover{object-fit:cover;border-radius:5px;flex-shrink:0;width:84px;height:124px;box-shadow:0 6px 14px #0003}.fallback{color:#282528;background:linear-gradient(145deg,#8faf9b,#f29eb2);flex-direction:column;justify-content:space-between;padding:9px;font-size:10px;display:flex;overflow:hidden}.fallback strong{font-size:17px;overflow:hidden}.book-card h3{margin:0 0 9px;font-size:19px}.book-card p{color:#999;margin:6px 0;font-size:12px;line-height:1.6}.open-book>div:last-child{flex:1;min-width:0}.progress{background:#555;border-radius:8px;height:4px;margin-top:12px;overflow:hidden}.progress i{background:#f29eb2;height:100%;display:block}.book-actions{gap:8px;margin-top:14px;display:flex}.book-actions button{border-color:#555;flex:1;font-size:13px}.book-actions button[aria-pressed=true]{color:#f29eb2}.empty{text-align:center;padding:48px 10px}.empty img{width:80px}.empty h2{font-size:22px}.empty p{color:#999;line-height:1.9}.storage-note{text-align:center;color:#999;margin-top:25px;font-size:12px;line-height:1.8}.reader{height:100dvh;overflow:hidden}.reader-top{z-index:5;padding:calc(8px + env(safe-area-inset-top)) 12px 8px;color:#292929;background:#8faf9b;align-items:center;gap:10px;min-height:64px;display:flex;position:fixed;top:0;left:0;right:0}.reader-top strong{white-space:nowrap;text-overflow:ellipsis;flex:1;font-size:16px;overflow:hidden}.reader-top button{border:0;flex-shrink:0}.reader-bottom{z-index:5;color:#eee;padding:8px 12px calc(8px + env(safe-area-inset-bottom));height:calc(116px + env(safe-area-inset-bottom));background:#292929;position:fixed;bottom:0;left:0;right:0}.chapter-controls{align-items:center;gap:9px;display:flex}.chapter-controls button{white-space:nowrap;font-size:13px}.chapter-controls input{accent-color:#f29eb2;width:100%;min-width:20px}.tools{gap:10px;margin-top:6px;display:flex}.tools button{flex:1;font-size:14px}.hidden{visibility:hidden;pointer-events:none}#paper{top:calc(76px + env(safe-area-inset-top));bottom:calc(155px + env(safe-area-inset-bottom));touch-action:manipulation;position:fixed;overflow:hidden}#text,#measure{white-space:pre-wrap;overflow-wrap:anywhere;word-break:break-word;letter-spacing:0;width:100%;height:100%;margin:0;padding:0;position:absolute;top:0;left:0}#measure{visibility:hidden;pointer-events:none;overflow:visible}#text{overflow:hidden}.page-status{left:16px;right:16px;bottom:calc(128px + env(safe-area-inset-bottom));text-overflow:ellipsis;white-space:nowrap;text-align:center;opacity:.65;pointer-events:none;height:22px;font-size:11px;position:fixed;overflow:hidden}dialog{color:#eee;width:calc(100% - 24px);max-width:480px;max-height:calc(100dvh - 40px - env(safe-area-inset-top) - env(safe-area-inset-bottom));background:#292929;border:1px solid #555;border-radius:18px;padding:20px;overflow:auto}dialog::backdrop{background:#0009}dialog header{justify-content:space-between;align-items:center;gap:12px;display:flex}dialog h2{margin:0;font-size:21px}dialog header button{border:0;font-size:20px}dialog p{color:#ccc;font-size:14px;line-height:1.8}dialog label{margin:16px 0;font-size:15px;display:block}dialog input:not([type=range]),dialog select,dialog textarea{color:#eee;background:#181818;border:1px solid #666;border-radius:8px;width:100%;margin:8px 0;padding:12px;display:block}dialog input[type=range]{accent-color:#f29eb2;width:100%;margin:14px 0;display:block}dialog>button,dialog form>button{margin:6px 5px 6px 0}dialog progress{accent-color:#8faf9b;width:100%}.drawer{width:85%;max-width:360px;height:100dvh;max-height:100dvh;padding-top:calc(18px + env(safe-area-inset-top));padding-bottom:calc(18px + env(safe-area-inset-bottom));border:0;border-radius:0;margin:0}#toc-list{gap:8px;margin-top:14px;display:grid}#toc-list button{text-align:left;border:0;padding:15px 10px;font-size:16px}#toc-list .current{color:#f29eb2;background:#f29eb226}.mark{border-bottom:1px solid #555;gap:8px;padding:12px 0;display:flex}.mark>button:first-child{text-align:left;border:0;flex:1;padding:0}.mark small{color:#aaa;font-size:12px}.mark p{margin:8px 0}#toast{z-index:20;left:20px;right:20px;bottom:calc(24px + env(safe-area-inset-bottom));color:#252525;text-align:center;background:#8faf9b;border-radius:12px;max-width:500px;margin:auto;padding:14px 18px;font-size:14px;position:fixed;box-shadow:0 6px 30px #0008}@media (min-width:700px){.book-list{grid-template-columns:1fr 1fr}#paper{max-width:800px;margin:auto}.reader-top,.reader-bottom{padding-left:max(20px,50vw - 420px);padding-right:max(20px,50vw - 420px)}}@media (max-height:450px){#paper{top:calc(60px + env(safe-area-inset-top));bottom:calc(115px + env(safe-area-inset-bottom))}.reader-bottom{height:calc(90px + env(safe-area-inset-bottom));padding-top:2px}.reader-bottom button{min-height:38px;padding:5px 10px}.tools{margin-top:2px}.page-status{bottom:calc(94px + env(safe-area-inset-bottom))}.reader-top{min-height:52px;padding-top:calc(2px + env(safe-area-inset-top))}}