:root{color:#141411;font-synthesis:none;text-rendering:optimizelegibility;background:#f5f3ed;font-family:Avenir Next,Segoe UI,sans-serif}*{box-sizing:border-box}body{min-width:320px;min-height:100vh;margin:0}button,input{font:inherit}button{color:#f8f5ea;cursor:pointer;background:#143c37;border:0;border-radius:6px;justify-content:center;align-items:center;gap:8px;min-height:42px;display:inline-flex}button:hover{background:#0c2d29}input{color:#141411;background:#fffdf7;border:1px solid #cec8b8;border-radius:6px;width:100%;min-height:44px;padding:0 12px}.shell{min-height:100vh;padding:48px}.setup-shell{grid-template-columns:minmax(280px,.9fr) minmax(320px,520px);align-items:center;gap:56px;display:grid}.intro h1{max-width:760px;margin:16px 0;font-family:Georgia,Times New Roman,serif;font-size:clamp(48px,8vw,104px);font-weight:500;line-height:.92}.intro p{color:#575348;max-width:560px;margin:0;font-size:18px;line-height:1.55}.mark{color:#9c3f2f;text-transform:uppercase;font-size:14px;font-weight:800}.panel,.brief-card,.chat-panel{background:#fffaf0;border:1px solid #d9d2c1;border-radius:8px;box-shadow:0 20px 60px #2a221314}.setup-form{gap:18px;padding:28px;display:grid}.setup-form label{color:#4c473d;gap:8px;font-size:14px;font-weight:700;display:grid}.result{background:#eef4ea;border-radius:6px;align-items:center;gap:10px;min-width:0;padding:12px;display:flex}.demo-note{color:#5b4520;background:#fff3d8;border:1px solid #d8c7a7;border-radius:6px;align-items:flex-start;gap:10px;padding:12px;font-size:13px;font-weight:700;line-height:1.4;display:flex}.demo-note svg{flex:none;margin-top:1px}.result a{overflow-wrap:anywhere;color:#143c37}.error{color:#9c3f2f}.workspace{min-height:100vh;padding:28px}.topbar{justify-content:space-between;align-items:center;gap:18px;margin-bottom:24px;display:flex}.topbar p{color:#575348;margin:4px 0 0}.status{color:#143c37;background:#fffaf0;border:1px solid #cec8b8;border-radius:999px;align-items:center;gap:8px;min-height:34px;padding:0 12px;display:inline-flex}.loading{color:#575348;justify-content:center;align-items:center;gap:12px;min-height:220px;display:flex}.loading svg{animation:1s linear infinite spin}.brief-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;display:grid}.brief-card{min-height:230px;padding:20px}.brief-card h2{margin:0 0 12px;font-size:18px}.brief-card p,.message p{color:#39362e;line-height:1.5}.sources{flex-wrap:wrap;gap:6px;display:flex}.sources span{color:#6b372c;background:#f0e1d6;border-radius:999px;padding:4px 8px;font-size:12px;font-weight:700}.chat-panel{gap:16px;margin-top:18px;padding:18px;display:grid}.question-row{flex-wrap:wrap;gap:8px;display:flex}.prompt{color:#143c37;background:#e4ece1;min-height:34px;padding:0 12px}.prompt:hover{background:#d6e4d2}.messages{gap:12px;display:grid}.message{border-radius:8px;max-width:760px;padding:14px}.message.user{color:#f8f5ea;background:#143c37;margin-left:auto}.message.user p{color:inherit}.message.assistant{background:#f7f0e2}.confirm{min-height:36px;margin-top:12px;padding:0 12px}.action-result{color:#143c37;overflow-wrap:anywhere;background:#e4ece1;border-radius:6px;margin:12px 0 0;padding:10px 12px}.chat-input{grid-template-columns:minmax(0,1fr) 110px;gap:10px;display:grid}@keyframes spin{to{transform:rotate(360deg)}}@media (width<=980px){.setup-shell,.brief-grid{grid-template-columns:1fr}.shell,.workspace{padding:20px}}@media (width<=560px){.chat-input{grid-template-columns:1fr}}