:root{--bg: #111110;--bg-elev: #1a1a18;--bg-elev2: #232320;--border: #2e2e2a;--text: #e8e6e0;--text-dim: #9a978e;--accent: #c9a24b;--accent-soft: rgba(201, 162, 75, .14);--danger: #c96a4b;--radius: 6px;--shelf-gap: 14px}*{box-sizing:border-box}html,body{margin:0;padding:0;height:100%}body{background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;font-size:15px;-webkit-font-smoothing:antialiased}#app{height:100%}button{font:inherit;color:inherit;background:none;border:none;cursor:pointer;padding:0}a{color:inherit;text-decoration:none}.topbar{position:sticky;top:0;z-index:20;display:flex;align-items:center;gap:4px;padding:10px 16px;background:#111110eb;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border-bottom:1px solid var(--border)}.topbar .brand{font-weight:700;font-size:15px;margin-right:8px;color:var(--text)}.topbar .nav-btn{padding:8px 14px;border-radius:var(--radius);color:var(--text-dim);font-weight:600;font-size:14px}.topbar .nav-btn.active{color:var(--text);background:var(--accent-soft)}.topbar .spacer{flex:1}.topbar .icon-btn{padding:8px 10px;border-radius:var(--radius);color:var(--text-dim);font-size:18px;line-height:1}.topbar .icon-btn:hover{background:var(--bg-elev2);color:var(--text)}.content{padding:16px;max-width:1100px;margin:0 auto}.screen-title{font-size:20px;font-weight:700;margin:4px 0 16px}.shelf{margin-bottom:26px}.shelf-header{display:flex;align-items:baseline;justify-content:space-between;margin-bottom:10px}.shelf-title{font-size:16px;font-weight:700}.shelf-link{color:var(--text-dim);font-size:13px}.shelf-row{display:flex;gap:var(--shelf-gap);overflow-x:auto;padding-bottom:6px;scrollbar-width:thin}.shelf-row::-webkit-scrollbar{height:6px}.shelf-row::-webkit-scrollbar-thumb{background:var(--border);border-radius:3px}.book-card{width:130px;flex-shrink:0;cursor:pointer}.book-card .cover{width:130px;height:190px;border-radius:var(--radius);background:var(--bg-elev2);display:flex;align-items:center;justify-content:center;overflow:hidden;box-shadow:0 2px 8px #0006;border:1px solid var(--border)}.book-card .cover img{width:100%;height:100%;object-fit:cover}.book-card .cover .placeholder{color:var(--text-dim);font-size:11px;text-align:center;padding:8px}.book-card .title{margin-top:7px;font-size:12.5px;line-height:1.25;font-weight:600;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.book-card .author{font-size:11px;color:var(--text-dim);margin-top:2px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.book-card .progress{margin-top:5px;height:3px;border-radius:2px;background:var(--bg-elev2);overflow:hidden}.book-card .progress>div{height:100%;background:var(--accent)}.book-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(130px,1fr));gap:18px}.book-grid .book-card{width:100%}.toolbar{display:flex;align-items:center;gap:10px;margin-bottom:18px;flex-wrap:wrap}.toolbar input[type=search]{flex:1;min-width:180px;background:var(--bg-elev);border:1px solid var(--border);border-radius:var(--radius);color:var(--text);padding:9px 12px;font:inherit}.toolbar select{background:var(--bg-elev);border:1px solid var(--border);border-radius:var(--radius);color:var(--text);padding:9px 10px;font:inherit}.detail{display:flex;gap:28px;margin-top:8px}.detail .cover{width:200px;height:290px;border-radius:var(--radius);overflow:hidden;flex-shrink:0;background:var(--bg-elev2);box-shadow:0 4px 16px #00000080;border:1px solid var(--border)}.detail .cover img{width:100%;height:100%;object-fit:cover}.detail .cover .placeholder{display:flex;align-items:center;justify-content:center;height:100%;color:var(--text-dim);font-size:13px;text-align:center;padding:12px}.detail .info{flex:1;min-width:0}.detail h1{font-size:24px;margin:0 0 6px;line-height:1.2}.detail .byline{color:var(--text-dim);margin-bottom:10px}.detail .series-line{color:var(--accent);font-size:13px;margin-bottom:14px}.detail .desc{color:var(--text-dim);line-height:1.55;margin-bottom:20px;max-height:180px;overflow-y:auto}.btn{display:inline-flex;align-items:center;gap:8px;background:var(--accent);color:#111;font-weight:700;padding:11px 20px;border-radius:var(--radius);font-size:14px}.btn.secondary{background:var(--bg-elev2);color:var(--text);border:1px solid var(--border)}.btn.danger{background:transparent;color:var(--danger);border:1px solid var(--danger)}.detail .progress-note{color:var(--text-dim);font-size:13px;margin-top:10px}.meta-block{display:flex;flex-direction:column;gap:6px;margin:14px 0 18px;padding:12px 14px;background:var(--bg-elev);border:1px solid var(--border);border-radius:var(--radius);max-width:560px}.meta-row{display:flex;gap:10px;font-size:13px}.meta-label{color:var(--text-dim);min-width:72px;flex-shrink:0}.meta-value{color:var(--text)}.collection-list{display:flex;flex-direction:column;gap:10px}.collection-item{display:flex;align-items:center;gap:12px;padding:14px 16px;background:var(--bg-elev);border:1px solid var(--border);border-radius:var(--radius);cursor:pointer}.collection-item .name{flex:1;font-weight:600}.collection-item .count{color:var(--text-dim);font-size:13px}.collection-item .actions{display:flex;gap:6px}.collection-item .actions button{padding:6px 10px;border-radius:4px;color:var(--text-dim);font-size:13px;border:1px solid transparent}.collection-item .actions button:hover{background:var(--bg-elev2);color:var(--text)}.collection-item .actions .delete:hover{color:var(--danger);border-color:var(--danger)}.settings-list{max-width:640px;display:flex;flex-direction:column;gap:10px}.setting-item{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:15px 16px;background:var(--bg-elev);border:1px solid var(--border);border-radius:var(--radius)}.setting-item .label{font-weight:600}.setting-item .sub{color:var(--text-dim);font-size:12.5px;margin-top:3px}.setting-item input[type=text]{background:var(--bg-elev2);border:1px solid var(--border);border-radius:var(--radius);color:var(--text);padding:8px 10px;font:inherit;min-width:200px}.setting-item input[type=range]{width:180px}.reader{position:fixed;top:0;right:0;bottom:0;left:0;z-index:50;display:flex;flex-direction:column;background:var(--bg)}.reader-top{display:flex;align-items:center;gap:10px;padding:8px 14px;background:var(--bg-elev);border-bottom:1px solid var(--border)}.reader-top .title{font-weight:600;flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.reader-top .chapter{color:var(--text-dim);font-size:12.5px}.reader-frame{flex:1;border:none;width:100%;background:#f7f5f0}.reader-bottom{display:flex;align-items:center;gap:14px;padding:8px 14px;background:var(--bg-elev);border-top:1px solid var(--border)}.reader-bottom .spacer{flex:1}.reader-bottom button{padding:8px 12px;border-radius:var(--radius);background:var(--bg-elev2);color:var(--text);border:1px solid var(--border);font-size:13px}.reader-bottom .progress-text{color:var(--text-dim);font-size:13px;min-width:70px;text-align:center}.toc-overlay{position:absolute;top:0;right:0;bottom:0;left:0;background:#0000008c;display:flex;justify-content:center;align-items:center;z-index:60}.toc-panel{width:min(420px,90vw);max-height:80vh;background:var(--bg-elev);border:1px solid var(--border);border-radius:var(--radius);padding:18px;display:flex;flex-direction:column;gap:12px;overflow:hidden}.toc-title{font-weight:700;font-size:16px}.toc-list{overflow-y:auto;display:flex;flex-direction:column;gap:6px}.toc-list .btn{justify-content:flex-start;text-align:left}.setup{max-width:460px;margin:80px auto;padding:0 16px}.setup h1{font-size:22px;margin-bottom:6px}.setup p{color:var(--text-dim);margin-bottom:24px}.setup .field{margin-bottom:16px}.setup label{display:block;font-size:13px;color:var(--text-dim);margin-bottom:6px}.setup input{width:100%;background:var(--bg-elev);border:1px solid var(--border);border-radius:var(--radius);color:var(--text);padding:11px 12px;font:inherit}.setup .error{color:var(--danger);margin-top:12px;font-size:13px}.empty{text-align:center;color:var(--text-dim);padding:60px 20px}.empty h2{font-size:18px;color:var(--text);margin-bottom:8px}.empty p{max-width:420px;margin:0 auto 16px;line-height:1.5}