:root{
  --bg:#0f172a;--panel:#111827;--panel2:#020617;--card:#1e293b;--line:#334155;
  --text:#e5e7eb;--muted:#94a3b8;--accent:#38bdf8;--ok:#22c55e;--warn:#f59e0b;--bad:#ef4444;
}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--text);font-family:system-ui,-apple-system,Segoe UI,sans-serif}
a{color:#93c5fd;text-decoration:none}
button,select,textarea,input{font:inherit}
.shell{display:grid;grid-template-columns:310px 1fr;min-height:100vh}
.side{background:var(--panel2);border-right:1px solid var(--line);padding:16px;overflow:auto}
.brand{font-weight:800;font-size:20px;margin-bottom:12px}
.nav button,.agentbar button,.actions button,.chip button,.top-actions button{
  border:1px solid var(--line);background:#0b1220;color:var(--text);border-radius:12px;padding:9px 11px;cursor:pointer
}
.nav{display:grid;gap:8px;margin:14px 0}
.nav button{text-align:left}
.nav button.active,.agentbar button.active{border-color:var(--accent);background:#082f49}
.section{border-top:1px solid var(--line);padding-top:14px;margin-top:14px}
.section h3{font-size:13px;color:var(--muted);margin:0 0 8px;text-transform:uppercase;letter-spacing:.05em}
.item{background:#0b1220;border:1px solid var(--line);border-radius:14px;padding:10px;margin:8px 0}
.item small{color:var(--muted)}
.main{display:flex;flex-direction:column;min-width:0;min-height:100vh}
.top{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px 18px;border-bottom:1px solid var(--line);background:rgba(15,23,42,.96);position:sticky;top:0;z-index:4}
.top-title{font-weight:700}
.top-actions{display:flex;gap:8px;flex-wrap:wrap}
.chat{flex:1;overflow:auto;padding:22px;display:flex;flex-direction:column;gap:14px}
.empty{margin:auto;max-width:760px;text-align:center;color:var(--muted)}
.empty h1{color:var(--text);font-size:32px;margin-bottom:8px}
.msg{max-width:980px;width:100%;display:flex}
.msg.user{align-self:flex-end;justify-content:flex-end}
.msg.assistant{align-self:flex-start}
.bubble{border:1px solid var(--line);background:var(--card);border-radius:18px;padding:14px 15px;max-width:850px;white-space:pre-wrap;line-height:1.45}
.msg.user .bubble{background:#0c4a6e}
.meta{font-size:12px;color:var(--muted);margin-bottom:6px}
.actions{display:flex;gap:7px;flex-wrap:wrap;margin-top:10px}
.actions button{font-size:12px;padding:6px 8px;border-radius:9px}
.composer-wrap{border-top:1px solid var(--line);background:rgba(2,6,23,.98);padding:12px 16px;position:sticky;bottom:0}
.chips{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:8px}
.chip{display:flex;align-items:center;gap:6px;border:1px solid var(--line);background:#0b1220;border-radius:999px;padding:6px 8px;color:var(--muted);font-size:13px}
.chip button{padding:0 5px;border-radius:999px}
.composer{display:grid;grid-template-columns:auto 1fr auto;gap:9px;align-items:end}
.round{width:43px;height:43px;border-radius:999px;border:1px solid var(--line);background:#0b1220;color:var(--text);cursor:pointer}
textarea{width:100%;min-height:44px;max-height:190px;resize:none;border:1px solid var(--line);border-radius:16px;background:#020617;color:var(--text);padding:11px 13px}
.send{height:43px;border:1px solid var(--accent);background:#0369a1;color:white;border-radius:14px;padding:0 16px;cursor:pointer}
.agentbar{display:flex;gap:7px;flex-wrap:wrap;margin-bottom:9px}
.status{font-size:12px;color:var(--muted);margin-top:7px}
.drawer{display:none;position:fixed;inset:0;background:rgba(2,6,23,.62);z-index:10}
.drawer.open{display:block}
.drawer-panel{width:min(560px,92vw);height:100%;background:var(--panel);border-right:1px solid var(--line);padding:16px;overflow:auto}
.kv{display:grid;grid-template-columns:150px 1fr;gap:6px 10px;font-size:13px}
.badge{display:inline-block;padding:2px 7px;border-radius:999px;background:#0b1220;border:1px solid var(--line);color:var(--muted);font-size:12px}
.badge.ok{color:#86efac;border-color:#166534}.badge.warn{color:#fcd34d;border-color:#92400e}.badge.bad{color:#fca5a5;border-color:#7f1d1d}
@media(max-width:820px){
  .shell{grid-template-columns:1fr}
  .side{display:none}
  .side.mobile-open{display:block;position:fixed;inset:0 20% 0 0;z-index:12}
  .chat{padding:14px}
  .empty h1{font-size:24px}
  .top-actions button{font-size:12px;padding:7px}
}