:root{color-scheme:light;--bg: #edf2f7;--panel: #ffffff;--ink: #1e293b;--muted: #64748b;--line: #dbe4ee;--brand: #0e7490;--brand-soft: #cffafe;--accent: #f59e0b;--error: #b91c1c;--ok: #166534;font-family:Segoe UI,Trebuchet MS,sans-serif}*{box-sizing:border-box}body{margin:0;color:var(--ink);background:radial-gradient(circle at top left,#f0fdfa,#eef2ff 38%,var(--bg))}a{color:inherit;text-decoration:none}input,select,textarea,button{font:inherit}.public{min-height:100vh;padding:24px}.public-top{display:flex;justify-content:space-between;align-items:center;max-width:1100px;margin:0 auto}.hero{max-width:1100px;margin:24px auto;padding:38px;border-radius:20px;color:#fff;background:linear-gradient(135deg,#0f172a,#155e75 56%,#78350f)}.hero h1{font-size:clamp(2rem,4vw,3.2rem);margin:8px 0 10px}.eyebrow{color:#fde68a;font-weight:700;letter-spacing:.06em;text-transform:uppercase}.cards3{max-width:1100px;margin:20px auto;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.cards3 article{background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:18px}.auth-wrap{min-height:100vh;display:grid;place-items:center;padding:20px}.auth{width:min(460px,100%);background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:24px;display:grid;gap:12px}.auth.wide{width:min(650px,100%)}label{display:grid;gap:6px;font-size:14px}input,select,textarea{border:1px solid var(--line);border-radius:10px;padding:10px;background:#fff}textarea{min-height:100px;resize:vertical}.btn,.ghost,.tiny{border:0;border-radius:10px;cursor:pointer}.btn{background:var(--brand);color:#fff;padding:10px 16px;font-weight:600}.btn.light{background:#e2e8f0;color:var(--ink)}.ghost{background:transparent;color:inherit;padding:9px 12px;display:inline-flex;align-items:center;gap:8px}.tiny{background:var(--brand-soft);color:#0f172a;padding:6px 8px;font-size:12px}.shell{display:grid;grid-template-columns:280px 1fr;min-height:100vh}.sidebar{background:#0f172a;color:#cbd5e1;padding:18px;display:flex;flex-direction:column;gap:12px}.brand{display:flex;align-items:center;gap:10px;font-size:20px;font-weight:800;color:#fff}.brand span{width:34px;height:34px;border-radius:10px;display:grid;place-items:center;background:linear-gradient(135deg,#06b6d4,#f59e0b)}nav{display:grid;gap:4px;overflow:auto}nav a{padding:9px 10px;border-radius:10px;display:flex;gap:8px;align-items:center}nav a.active,nav a:hover{background:#1e293b;color:#fff}.topbar{background:#fff;border-bottom:1px solid var(--line);padding:14px 20px;display:flex;align-items:center;justify-content:space-between;position:sticky;top:0;z-index:3}.topbar h2{margin:0;font-size:20px}.topbar p{margin:4px 0 0;color:var(--muted);font-size:12px}.page{padding:20px;max-width:1500px;margin:0 auto;display:grid;gap:14px}.panel{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:16px}.panel h3{margin:0 0 8px}.row{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.row.spread{justify-content:space-between}.metrics-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}.metric{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:14px}.metric small{color:var(--muted)}.metric strong{font-size:28px;display:block;margin-top:8px}.grid2{display:grid;grid-template-columns:1.6fr 1fr;gap:12px}.chat3{display:grid;grid-template-columns:320px 1fr 300px;gap:12px}.chat-item{width:100%;text-align:left;border:1px solid var(--line);background:#fff;border-radius:10px;padding:10px;margin-bottom:8px;cursor:pointer;display:grid}.chat-item.active{border-color:var(--brand);background:#ecfeff}.thread{display:grid;gap:8px;max-height:460px;overflow:auto;padding:8px;border:1px dashed var(--line);border-radius:10px}.bubble{max-width:80%;padding:9px 11px;border-radius:12px}.bubble.user{margin-left:auto;background:#dbeafe}.bubble.assistant,.bubble.agent,.bubble.system{background:#f1f5f9}.search{display:flex;align-items:center;gap:8px;border:1px solid var(--line);border-radius:10px;padding:4px 8px}.search input{border:0;width:100%}.search input:focus{outline:none}table{width:100%;border-collapse:collapse;font-size:13px}th,td{border-bottom:1px solid var(--line);padding:9px;text-align:left;vertical-align:top}th{color:var(--muted);font-weight:600}.error,.success,.empty{border-radius:10px;padding:10px;font-size:14px}.error{background:#fee2e2;color:var(--error)}.success{background:#dcfce7;color:var(--ok)}.empty{background:#f8fafc;color:var(--muted);display:flex;align-items:center;gap:8px}.code{white-space:pre-wrap;background:#0f172a;color:#bae6fd;border-radius:10px;padding:10px}.center{display:flex;justify-content:center;align-items:center;gap:8px;min-height:120px;color:var(--muted)}.spin{animation:spin 1s linear infinite}.mobile-only{display:none}.chart{width:100%;height:320px}@keyframes spin{to{transform:rotate(360deg)}}@media (max-width: 1100px){.shell{grid-template-columns:1fr}.sidebar{position:fixed;z-index:20;width:280px;inset:0 auto 0 0;transform:translate(-100%);transition:transform .2s}.sidebar.open{transform:translate(0)}.mobile-only{display:inline-flex}.metrics-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.chat3,.grid2,.cards3{grid-template-columns:1fr}}