:root{--bg:#0f1115;--panel:#171a21;--panel-2:#1e222b;--border:#2a2f3a;--text:#e6e8ec;--muted:#939aa8;--accent:#4f8cff;--green:#3fb950;--amber:#d29922;--red:#f85149;--radius:8px}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font:14px/1.5 -apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}.layout{display:flex;min-height:100vh}.sidebar{width:210px;flex-shrink:0;background:var(--panel);border-right:1px solid var(--border);padding:18px 12px}.sidebar h1{font-size:15px;margin:0 0 18px 8px;letter-spacing:.3px}.sidebar nav a{display:block;padding:8px 10px;border-radius:6px;color:var(--text);margin-bottom:2px}.sidebar nav a:hover{background:var(--panel-2);text-decoration:none}.sidebar nav a.active{background:var(--panel-2);color:var(--accent)}.main{flex:1 1;padding:22px 26px;overflow-x:auto}.main h2{margin:0 0 18px;font-size:19px;font-weight:600}.grid{display:grid;grid-gap:12px;gap:12px;grid-template-columns:repeat(auto-fill,minmax(190px,1fr))}.card{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:14px 16px}.card .label{color:var(--muted);font-size:12px;text-transform:uppercase;letter-spacing:.4px}.card .value{font-size:26px;font-weight:600;margin-top:6px}.card .sub{color:var(--muted);font-size:12px;margin-top:4px}table{width:100%;border-collapse:collapse;font-size:13px}td,th{text-align:left;padding:9px 10px;border-bottom:1px solid var(--border)}th{color:var(--muted);font-weight:500;font-size:12px;text-transform:uppercase}.badge,tbody tr:hover{background:var(--panel-2)}.badge{display:inline-block;padding:2px 8px;border-radius:20px;font-size:11px;border:1px solid var(--border)}.badge.green{color:var(--green);border-color:color-mix(in srgb,var(--green) 40%,transparent)}.badge.amber{color:var(--amber);border-color:color-mix(in srgb,var(--amber) 40%,transparent)}.badge.red{color:var(--red);border-color:color-mix(in srgb,var(--red) 40%,transparent)}.badge.blue{color:var(--accent);border-color:color-mix(in srgb,var(--accent) 40%,transparent)}.btn,button{background:var(--accent);color:#fff;border:none;padding:8px 14px;border-radius:6px;cursor:pointer;font-size:13px}button.ghost{background:transparent;border:1px solid var(--border);color:var(--text)}button.danger{background:var(--red)}button:disabled{opacity:.5;cursor:not-allowed}input,select,textarea{background:var(--panel-2);border:1px solid var(--border);color:var(--text);padding:8px 10px;border-radius:6px;font:inherit;width:100%}.row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}.muted{color:var(--muted)}.mono{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:12px}.stack{gap:14px}.chat,.stack{display:flex;flex-direction:column}.chat{gap:8px;max-height:55vh;overflow-y:auto;padding-right:6px}.msg{max-width:74%;padding:8px 12px;border-radius:10px;white-space:pre-wrap;word-break:break-word}.msg.client{background:var(--panel-2);align-self:flex-start}.msg.assistant{background:#1d3557;align-self:flex-end}.msg.operator{background:#2d4a2b;align-self:flex-end}.msg .meta{font-size:10px;color:var(--muted);margin-top:4px}.login-page{display:grid;place-items:center;min-height:100vh}.login-box{width:320px}.error{color:var(--red);font-size:13px}.field{margin-bottom:12px}.field label{display:block;font-size:12px;color:var(--muted);margin-bottom:5px}