:root{--bg: #f4f6fa;--panel: #ffffff;--ink: #1f2733;--muted: #7b8595;--line: #e4e9f0;--line2: #eef1f6;--brand: #3c5a9e;--brand-dk: #2c4478;--accent: #4a9d7f;--amber: #946f2c;--red: #a2504b;--chip: #eef2f8}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{font-family:-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;background:var(--bg);color:var(--ink);font-size:14px}button{font:inherit;cursor:pointer}input,textarea,select{font:inherit}a{color:var(--brand)}.shell{display:flex;flex-direction:column;height:100vh}.topbar{display:flex;align-items:center;gap:14px;padding:0 20px;height:56px;background:var(--panel);border-bottom:1px solid var(--line);flex-shrink:0}.brand{display:flex;align-items:center;gap:9px;font-weight:700;color:var(--brand-dk)}.brand .dot{width:26px;height:26px;border-radius:7px;background:linear-gradient(135deg,#3c5a9e,#4a9d7f);color:#fff;display:grid;place-items:center;font-size:15px}.tabs{display:flex;gap:4px;margin-left:18px}.tabs button{background:none;border:none;padding:8px 14px;border-radius:8px;color:var(--muted);font-weight:600}.tabs button.on{background:var(--chip);color:var(--brand-dk)}.spacer{flex:1}.who{color:var(--muted);font-size:12.5px}.linkbtn{background:none;border:1px solid var(--line);padding:6px 12px;border-radius:8px;color:var(--ink)}.body{flex:1;overflow:hidden;display:flex}.main{flex:1;overflow-y:auto;padding:22px}.wrap{max-width:900px;margin:0 auto}.thread{display:flex;flex-direction:column;gap:16px;padding-bottom:20px}.msg-user{align-self:flex-end;background:var(--brand);color:#fff;padding:10px 14px;border-radius:14px 14px 4px;max-width:80%}.msg-ai{align-self:stretch;background:var(--panel);border:1px solid var(--line);border-radius:4px 14px 14px;padding:14px 16px}.msg-ai .answer{font-size:14.5px;line-height:1.6}.err{color:var(--red);background:#fbeeed;border:1px solid #f0d4d1;padding:8px 12px;border-radius:8px}.cardbar{display:flex;align-items:center;gap:8px;margin:10px 0 6px}.cardbar .title{font-weight:700}.sqlbox{margin-top:8px}.sqlbox pre{background:#f7f9fc;border:1px solid var(--line);border-radius:8px;padding:10px 12px;overflow-x:auto;font-size:12px;margin:6px 0 0}.muted{color:var(--muted);font-size:12.5px}.askbar{position:sticky;bottom:0;background:var(--bg);padding-top:10px}.askrow{display:flex;gap:8px}.askrow textarea{flex:1;resize:none;border:1px solid var(--line);border-radius:10px;padding:11px 14px;background:var(--panel);min-height:46px;max-height:160px}.btn{background:var(--brand);color:#fff;border:none;border-radius:10px;padding:0 18px;font-weight:600}.btn:disabled{opacity:.5;cursor:default}.btn.sm{padding:6px 12px;border-radius:8px;font-size:12.5px}.btn.ghost{background:none;border:1px solid var(--line);color:var(--ink)}.chip{background:var(--chip);border-radius:999px;padding:2px 10px;font-size:12px;color:var(--brand-dk)}.empty{text-align:center;color:var(--muted);margin-top:12vh}.empty h2{color:var(--ink);font-weight:700}.suggest{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;margin-top:16px}.suggest button{background:var(--panel);border:1px solid var(--line);border-radius:999px;padding:8px 14px;color:var(--ink)}.list{display:flex;flex-direction:column;gap:8px}.row{background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:12px 14px;display:flex;align-items:center;gap:10px}.row:hover{border-color:#cfd8e6}.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(380px,1fr));gap:16px}.panel{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:16px}.panel h3{margin:0 0 2px;font-size:15px}.kpi{font-size:40px;font-weight:800;color:var(--brand-dk)}.tablewrap{overflow-x:auto;border:1px solid var(--line);border-radius:8px;margin-top:8px}table{border-collapse:collapse;width:100%;font-size:12.5px}th,td{border-bottom:1px solid var(--line2);padding:6px 10px;text-align:left;white-space:nowrap}th{background:#f6f8fc;color:var(--brand-dk);position:sticky;top:0}tbody tr:hover td{background:#fafbfe}.login{display:grid;place-items:center;height:100vh}.loginbox{background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:32px;width:360px;box-shadow:0 12px 40px #14285014}.loginbox h1{margin:0 0 4px;font-size:20px;color:var(--brand-dk)}.loginbox input{width:100%;padding:11px 13px;border:1px solid var(--line);border-radius:10px;margin-top:10px}.loginbox .btn{width:100%;padding:12px;margin-top:14px}.notice{background:#fff8e8;border:1px solid #f0e2bf;color:#6b5316;padding:8px 12px;border-radius:8px;font-size:12.5px;margin-top:12px}.spin{display:inline-block;width:14px;height:14px;border:2px solid #cdd6e5;border-top-color:var(--brand);border-radius:50%;animation:sp .7s linear infinite;vertical-align:-2px}@keyframes sp{to{transform:rotate(360deg)}}