.lb-search{display:flex;gap:.5rem;margin-bottom:1.5rem}.lb-search input{flex:1 1 auto;min-width:0;border:1px solid var(--rule);background:var(--paper);color:var(--ink);padding:.6rem .8rem;font-size:14px;font-family:inherit}.lb-search input:focus{outline:2px solid var(--ink);outline-offset:-2px}.lb-empty{border:1px dashed var(--rule);padding:4rem 2rem;text-align:center}.lb-list{list-style:none;padding:0;margin:0;border-top:1px solid var(--rule)}.lb-list li{border-bottom:1px solid var(--rule)}.lb-list a{display:block;padding:1.1rem .3rem;text-decoration:none;color:inherit}.lb-list a:hover{background:var(--pg-wash,hsla(0,0%,4%,.03))}.lb-title{font-family:"Instrument Serif",serif;font-size:1.35rem;line-height:1.2}.lb-summary{font-size:13.5px;line-height:1.6;color:var(--muted);margin:.35rem 0 0;max-width:80ch}.lb-meta{font-family:JetBrains Mono,monospace;font-size:10px;color:var(--muted);margin-top:.4rem}.lb-doc-head{display:flex;align-items:flex-end;justify-content:space-between;gap:1.5rem;flex-wrap:wrap;max-width:1600px;margin:0 auto;padding:1.5rem 1.5rem 1.1rem;border-bottom:1px solid var(--rule)}.lb-doc-meta{font-family:JetBrains Mono,monospace;font-size:10.5px;color:var(--muted);margin-top:.45rem}.lb-reader{display:grid;grid-template-columns:1fr 420px;height:calc(100vh - 190px);min-height:520px;max-width:1600px;margin:0 auto}.lb-pdf{border-right:1px solid var(--rule);background:hsla(0,0%,4%,.05)}.lb-pdf iframe{width:100%;height:100%;border:none;display:block}.lb-ask{display:flex;flex-direction:column;min-height:0;background:var(--paper)}.lb-ask-head{padding:1rem 1.2rem .8rem;border-bottom:1px solid var(--rule)}.lb-ask-note{font-family:JetBrains Mono,monospace;font-size:10.5px;line-height:1.6;color:var(--muted);margin:.4rem 0 0}.lb-turns{flex:1 1 auto;overflow-y:auto;padding:1rem 1.2rem}.lb-hint{font-family:JetBrains Mono,monospace;font-size:11px;color:var(--muted);line-height:1.8}.lb-hint ul{list-style:none;padding:0;margin:.4rem 0 0}.lb-hint li{padding-left:.9rem;position:relative}.lb-hint li:before{content:"·";position:absolute;left:0}.lb-turn{margin-bottom:1.5rem}.lb-q{line-height:1.5;border-left:3px solid var(--pg-ground,var(--ink));padding-left:.7rem;margin-bottom:.7rem}.lb-a,.lb-q{font-size:14px}.lb-a{line-height:1.72;white-space:pre-wrap}.lb-thinking{color:var(--muted)}.lb-error,.lb-thinking{font-family:JetBrains Mono,monospace;font-size:11px}.lb-error{line-height:1.6;color:var(--ember);border-left:2px solid var(--ember);padding-left:.6rem}.lb-cites{display:flex;align-items:center;gap:.35rem;flex-wrap:wrap;margin-top:.7rem;padding-top:.6rem;border-top:1px solid hsla(0,0%,4%,.08)}.lb-cites span{font-family:DM Sans,sans-serif;font-size:9px;font-weight:600;letter-spacing:.09em;text-transform:uppercase;color:var(--muted);margin-right:.2rem}.lb-cites button{font-family:JetBrains Mono,monospace;font-size:11px;border:1px solid var(--rule);background:transparent;color:var(--ink);padding:2px 8px;cursor:pointer}.lb-cites button:hover{background:var(--pg-wash,hsla(0,0%,4%,.05))}.lb-cites button.is-current{background:var(--ink);color:var(--paper);border-color:var(--ink)}.lb-ask-foot{border-top:1px solid var(--rule);padding:.8rem 1.2rem;display:flex;flex-direction:column;gap:.5rem}.lb-ask-foot textarea{border:1px solid var(--rule);background:var(--paper);color:var(--ink);padding:.55rem .7rem;font-size:13.5px;font-family:inherit;resize:none;width:100%}.lb-ask-foot textarea:focus{outline:2px solid var(--ink);outline-offset:-2px}.lb-ask-foot button{align-self:flex-end}@media (max-width:1000px){.lb-reader{grid-template-columns:1fr;height:auto}.lb-pdf{border-right:none;border-bottom:1px solid var(--rule);height:65vh}.lb-ask{height:auto}.lb-turns{max-height:50vh}}