:root{--ink:#18221f;--muted:#697570;--line:#dce4df;--paper:#f6f7f4;--white:#fff;--green:#174d3c;--mint:#dcebe4;--gold:#b88a3b}*{box-sizing:border-box}body{margin:0;font:14px Inter,ui-sans-serif,system-ui;color:var(--ink);background:var(--paper)}button,input,textarea,select{font:inherit}.auth{min-height:100vh;display:grid;place-items:center;background:linear-gradient(135deg,#eef3ef,#f8f5ed)}.auth form{width:min(390px,90vw);background:#fff;padding:42px;border:1px solid var(--line);border-radius:18px;box-shadow:0 20px 60px #173c2c18}.mark{width:44px;height:44px;border-radius:12px;background:var(--green);color:white;display:grid;place-items:center;font:700 22px Georgia}.auth h1{letter-spacing:.18em}.auth input{width:100%;padding:13px;margin:7px 0;border:1px solid var(--line);border-radius:9px}.auth button,.primary,#composer>button{background:var(--green);color:#fff;border:0;border-radius:9px;padding:12px 16px}.auth small{display:block;color:#a33;margin-top:10px}#app{min-height:100vh;display:grid;grid-template-columns:250px 1fr}aside{background:#102c24;color:#dbe9e3;padding:20px 14px;display:flex;flex-direction:column;gap:16px}.brand{display:flex;align-items:center;gap:10px;padding:5px 8px;letter-spacing:.12em}.brand span{background:#e4c98e;color:#19382e;width:30px;height:30px;border-radius:8px;display:grid;place-items:center;font-weight:800}aside button{background:transparent;color:inherit;border:0;text-align:left;padding:10px;border-radius:8px;cursor:pointer}aside nav{display:grid;gap:3px;border-bottom:1px solid #ffffff1f;padding-bottom:14px}aside button:hover{background:#ffffff0d}#conversationList{flex:1;overflow:auto;display:grid;align-content:start;gap:4px}.conversation{font-size:12px;color:#bdcec7}main{min-width:0;display:flex;flex-direction:column}header{height:76px;padding:16px 28px;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between}header h2{margin:0 0 4px;font-size:17px}header span{color:var(--muted);font-size:12px}.controls select,#position,.toolbar select{padding:9px;border:1px solid var(--line);border-radius:8px;background:white}#chatView{height:calc(100vh - 76px);display:flex;flex-direction:column}.quick{display:flex;gap:8px;overflow:auto;padding:14px 24px;border-bottom:1px solid var(--line)}.quick button{white-space:nowrap;border:1px solid #bfd1c8;background:#fff;color:var(--green);border-radius:20px;padding:8px 12px}.messages{flex:1;overflow:auto;padding:24px max(24px,calc((100% - 900px)/2));display:flex;flex-direction:column;gap:14px}.empty{margin:auto;text-align:center;color:var(--muted)}.empty .mark{margin:auto}.msg{max-width:80%;padding:13px 16px;border-radius:12px;white-space:pre-wrap;line-height:1.55}.msg.user{align-self:flex-end;background:var(--green);color:white}.msg.assistant{background:#fff;border:1px solid var(--line)}.source{font-size:11px;color:var(--muted);border-top:1px solid var(--line);margin-top:10px;padding-top:8px}.attachments{padding:0 max(24px,calc((100% - 900px)/2));display:flex;gap:6px}.chip{background:var(--mint);padding:6px 9px;border-radius:12px;font-size:11px}#composer{margin:14px max(20px,calc((100% - 950px)/2)) 20px;background:#fff;border:1px solid #cdd8d2;border-radius:14px;padding:10px;display:flex;align-items:end;gap:8px;box-shadow:0 10px 30px #173c2c0d}#composer textarea{flex:1;border:0;resize:none;padding:9px;outline:0}.attach{font-size:24px;padding:4px;cursor:pointer}#libraryView{padding:26px;overflow:auto}.toolbar{display:flex;align-items:center;gap:12px}.toolbar h3{margin-right:auto}.tableWrap{background:white;border:1px solid var(--line);border-radius:12px;overflow:auto}table{width:100%;border-collapse:collapse}th,td{text-align:left;padding:12px;border-bottom:1px solid var(--line);font-size:12px}th{color:var(--muted);background:#fafbf9}.badge{padding:4px 7px;border-radius:10px;background:var(--mint);font-size:10px}.placeholder{padding:40px}.placeholder h2{font-family:Georgia;font-size:28px}@media(max-width:800px){#app{grid-template-columns:74px 1fr}aside .brand b,aside nav button,#conversationList,#logout{font-size:0}.controls{display:none}#position{max-width:120px}.msg{max-width:94%}}