:root{color-scheme:dark;--bg:#0d1215;--panel:#151d21;--edge:#2a363b;--text:#e8f0ee;--muted:#9bacad;--accent:#b5e5cb}*{box-sizing:border-box}[hidden]{display:none!important}body{margin:0;background:radial-gradient(ellipse at 15% 0,#1c3530 0,transparent 45%),var(--bg);color:var(--text);font:15px/1.6 system-ui,-apple-system,sans-serif;min-height:100vh}header{display:flex;justify-content:space-between;align-items:center;gap:20px;padding:24px 5vw;border-bottom:1px solid var(--edge)}.brand{display:flex;align-items:center;gap:12px;color:var(--text);font-weight:650;text-decoration:none;letter-spacing:-.4px}.mark{background:var(--accent);color:#14261e;border-radius:9px;width:32px;height:32px;text-align:center;font:bold 26px/29px Georgia}.divider{color:#52605f;margin:0 4px}.muted,.fine{color:var(--muted)}.fine{font-size:12px}.eyebrow{font-size:11px;letter-spacing:2px;font-weight:700;color:var(--accent)}main{max-width:1320px;margin:auto;padding:48px 5vw}h1{font-size:clamp(28px,3.6vw,46px);line-height:1.16;font-weight:550;letter-spacing:-1.6px;margin:17px 0}h2{font-size:17px;letter-spacing:-.3px;margin:0 0 16px}p{margin:10px 0 18px}.login{max-width:450px;margin:20px auto 60px}.login .intro{color:var(--muted);font-size:16px;margin:22px 0 30px}.login .panel{margin-bottom:28px}.panel{background:var(--panel);border:1px solid var(--edge);border-radius:16px;padding:25px}label{display:block;font-size:12px;font-weight:550;color:#c4d1cf;margin:16px 0 8px}input,textarea,select{font:inherit;width:100%;display:block;margin-top:7px;padding:12px;background:#10171a;color:var(--text);border:1px solid #354247;border-radius:8px;min-width:0}input::placeholder,textarea::placeholder{color:#809291}textarea{resize:vertical}input[type=file]{font-size:12px}button{font:inherit;font-size:13px;font-weight:650;border:1px solid var(--edge);border-radius:8px;padding:10px 16px;cursor:pointer;background:#202c30;color:var(--text)}button:hover{filter:brightness(1.1)}button:disabled{opacity:.45;cursor:wait}button.primary{background:var(--accent);color:#132a20;border-color:var(--accent)}button.primary span{margin-left:22px}.login .primary,#upload-form>.primary{width:100%;margin-top:20px}button.quiet{background:transparent;padding:7px 10px}.workspace-heading{display:flex;align-items:center;justify-content:space-between;margin-bottom:30px;gap:20px}.workspace-heading h1{font-size:clamp(27px,3vw,38px)}.badge{border:1px solid #425e51;color:var(--accent);border-radius:30px;padding:5px 12px;font-size:12px;white-space:nowrap}.layout{display:grid;grid-template-columns:minmax(0,1.8fr) minmax(280px,1fr);gap:24px}.conversation{align-self:start}.segmented{display:flex;gap:5px;background:#0d1518;border-radius:9px;padding:5px;margin-bottom:18px}.segmented label{margin:0;flex:1;text-align:center;cursor:pointer;padding:8px;border-radius:6px}.segmented label:has(:checked){background:#293b36;color:var(--accent)}.segmented input{width:auto;display:inline;accent-color:var(--accent);margin:0 5px 0 0}#question{font-size:17px;line-height:1.6}.query-options{display:grid;grid-template-columns:1fr 1fr;gap:15px}.submit-row,.section-title,.pagination{display:flex;justify-content:space-between;align-items:center;gap:12px}.submit-row{margin-top:20px}.section-title h2{margin:0}.empty{text-align:center;padding:50px 12px;color:var(--muted);border-top:1px solid var(--edge);margin-top:28px}.empty h2{color:var(--text)}.empty-icon{display:block;color:var(--accent);font-size:36px;margin-bottom:12px}.empty p{font-size:13px}.answer{white-space:pre-wrap;overflow-wrap:anywhere;font-size:16px;line-height:1.85;padding:24px 0;border-top:1px solid var(--edge)}.source{border:1px solid var(--edge);padding:13px;border-radius:9px;margin:10px 0}.source summary{font-size:13px;overflow-wrap:anywhere}.source p{font-size:13px;white-space:pre-wrap;overflow-wrap:anywhere;color:var(--muted);margin:15px 0 0}.document{padding:15px 0;border-bottom:1px solid var(--edge)}.document strong{font-size:13px;display:block;overflow-wrap:anywhere;font-weight:550}.document small{display:block;font-size:11px;color:var(--muted)}.state{display:inline-block;margin-top:7px;font-size:10px;text-transform:uppercase;letter-spacing:1px;color:var(--accent)}.state.failed,.error{color:#ffb6aa}.error{font-size:13px;overflow-wrap:anywhere}.pagination{margin-top:18px}.pagination button{font-size:12px}.library{margin-bottom:20px}summary{cursor:pointer;font-weight:550}#upload-panel>summary{display:flex;justify-content:space-between}.extra{margin-top:18px}.extra summary{font-size:12px;color:var(--muted)}#identity{display:flex;align-items:center;gap:15px;font-size:12px}#query-status,#upload-status{font-size:13px;color:var(--accent)}footer{max-width:1320px;margin:20px auto;padding:20px 5vw;color:var(--muted);font-size:11px;display:flex;justify-content:space-between;gap:20px}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}:focus-visible{outline:2px solid var(--accent);outline-offset:4px}@media(max-width:800px){.layout{grid-template-columns:1fr}main{padding-top:28px}.badge{display:none}.login{margin-top:15px}header{padding:18px 5vw}.brand{font-size:13px;gap:7px;white-space:nowrap}.brand .divider,.brand .muted{display:none}#identity{gap:6px}#account{max-width:105px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.panel{padding:20px}footer{flex-direction:column;gap:5px}.query-options{grid-template-columns:1fr;gap:0}}