:root{font-family:system-ui,-apple-system,"Segoe UI",sans-serif;color:#203b3d;background:#f4f6f2;font-size:16px;color-scheme:light}*{box-sizing:border-box}body{margin:0}main{max-width:940px;margin:auto;padding:30px 24px}header{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-bottom:48px}.brand{font-weight:850;font-size:34px;letter-spacing:-2px;text-decoration:none;color:#174d45}.brand span{display:block;font-size:10px;letter-spacing:4px}.badge{background:#e3ece5;padding:8px 14px;border-radius:24px;font-size:12px}.card{background:white;border:1px solid #dbe3dc;border-radius:18px;padding:30px}#login-panel{max-width:600px;margin:auto}.eyebrow{font-size:11px;letter-spacing:2px;font-weight:700;color:#467969}h1{font-size:clamp(26px,5vw,40px);letter-spacing:-1.2px;line-height:1.15;margin:16px 0}p{line-height:1.6;color:#50696a}label{display:block;font-size:14px;font-weight:650;margin-top:18px}input,textarea{display:block;width:100%;margin:8px 0;padding:13px;border:1px solid #b7c8bf;border-radius:9px;font:inherit;background:#fff;color:#203b3d}input:focus,textarea:focus{outline:3px solid #c4e1d6;outline-offset:1px}button{border:0;border-radius:9px;padding:13px 20px;background:#195b4e;color:white;font:inherit;font-weight:650;cursor:pointer}button:hover{background:#104436}button:disabled{opacity:.5;cursor:wait}form button{margin-top:12px}#login-button{width:100%}.secondary{background:#e5ede7;color:#245448;font-size:14px}.secondary:hover{background:#d3e3d8}.session-bar{display:flex;justify-content:space-between;align-items:center;gap:20px}.session-bar h1{font-size:30px}.context{padding:18px 24px}summary{cursor:pointer;font-weight:650}.fields{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.notice{font-size:13px;background:#e9efea;padding:12px 16px;border-radius:10px}.suggestions{display:flex;gap:10px;flex-wrap:wrap;margin:22px 0}.message{padding:20px 24px;margin:14px 0;border:1px solid #dbe3dc;border-radius:14px;background:white}.message.user{background:#e4efe8;margin-left:45px}.message strong{font-size:12px;letter-spacing:1px}.message p{white-space:pre-wrap;color:#203b3d}.source{display:block;margin-top:12px}.composer{margin-top:24px}footer{font-size:12px;color:#69817a;margin-top:48px;text-align:center}#login-status,#chat-status{font-size:14px}dialog{max-width:740px;width:90%;border:1px solid #b7c8bf;border-radius:16px;padding:26px}dialog::backdrop{background:#132d2999}pre{white-space:pre-wrap;overflow-wrap:anywhere;font:14px/1.7 system-ui;max-height:60vh;overflow:auto}[hidden]{display:none!important}@media(max-width:600px){main{padding:20px 16px}header{margin-bottom:28px}.card{padding:22px}.fields{grid-template-columns:1fr;gap:0}.badge{font-size:10px}.message.user{margin-left:20px}}