*{box-sizing:border-box}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;background:#f3f4f6;color:#111827;-webkit-font-smoothing:antialiased}.app{display:flex;flex-direction:column;height:100vh}.topbar{display:flex;align-items:center;justify-content:space-between;padding:0 24px;height:56px;background:#fff;border-bottom:1px solid #e2e8f0}.brand{display:flex;align-items:center;gap:12px}.brand svg{display:block}.brand h1{margin:0;font-size:15px;font-weight:650;letter-spacing:-.01em}.brand .tag{font-size:12px;color:#94a3b8;border-left:1px solid #e2e8f0;padding-left:12px}.topbar-right{display:flex;align-items:center;gap:14px}.health{display:flex;align-items:center;gap:6px;font-size:12px;color:#64748b}.health .dot{width:7px;height:7px;border-radius:50%;background:#94a3b8}.health.up .dot{background:#10b981}.health.down .dot{background:#ef4444}.segmented{display:inline-flex;border:1px solid #e2e8f0;border-radius:9px;overflow:hidden;background:#f8fafc}.segmented button{border:0;background:transparent;padding:6px 14px;font-size:12.5px;font-weight:500;color:#64748b;cursor:pointer}.segmented button.active{background:#fff;color:#111827;font-weight:600;box-shadow:0 1px 2px #0f172a12}.session-bar{display:flex;align-items:center;gap:10px;padding:8px 24px;border-bottom:1px solid #e2e8f0;background:#f8fafc;font-size:12px;color:#64748b}.session-label code{background:#eef2ff;color:#4338ca;padding:1px 7px;border-radius:5px;font-size:11.5px;font-weight:600}.session-btn{border:1px solid #e2e8f0;background:#fff;border-radius:7px;padding:3px 10px;font-size:11.5px;font-weight:500;color:#475569;cursor:pointer}.session-btn:hover{border-color:#c7d2fe;color:#4338ca}.session-select{border:1px solid #e2e8f0;background:#fff;border-radius:7px;padding:3px 8px;font-size:11.5px;color:#475569}.brain-toggle{margin-left:10px;border:1px solid #e2e8f0;background:#fff;border-radius:999px;padding:3px 11px;font-size:11px;font-weight:600;color:#475569;cursor:pointer}.brain-toggle:hover{border-color:#c7d2fe;color:#4338ca}.brain-toggle.active{background:#4f46e5;border-color:#4f46e5;color:#fff}.panels{display:flex;flex:1;min-height:0}.panel{display:flex;flex-direction:column;min-height:0}.chat-panel{flex:6;background:#fff;border-right:1px solid #e2e8f0}.trace-panel{flex:5;background:#f8fafc}.panel-head{padding:13px 24px;border-bottom:1px solid #e2e8f0;font-size:12.5px;font-weight:600;color:#475569;display:flex;justify-content:space-between;align-items:center;background:#fff}.trace-panel .panel-head{background:#f8fafc}.panel-head .sub{color:#94a3b8;font-weight:500;margin-left:6px}.messages{flex:1;overflow-y:auto;padding:24px 28px;display:flex;flex-direction:column;gap:14px}.msg-wrap{display:flex;flex-direction:column;max-width:74%}.msg-wrap.user{align-self:flex-end;align-items:flex-end}.msg-wrap.assistant,.msg-wrap.error{align-self:flex-start;align-items:flex-start}.msg-meta{font-size:11px;color:#94a3b8;margin:0 4px 4px;display:flex;gap:8px}.msg{padding:11px 15px;border-radius:14px;font-size:14px;line-height:1.5;white-space:pre-wrap}.msg.user{background:#4f46e5;color:#fff;border-bottom-right-radius:5px;box-shadow:0 1px 2px #4f46e540}.msg.assistant{background:#fff;color:#111827;border:1px solid #e2e8f0;border-bottom-left-radius:5px;box-shadow:0 1px 2px #0f172a0a}.msg.error{background:#fef2f2;color:#b91c1c;border:1px solid #fecaca}.typing{display:inline-flex;gap:4px;padding:13px 16px}.typing span{width:6px;height:6px;border-radius:50%;background:#94a3b8;animation:pulse 1.2s infinite ease-in-out}.typing span:nth-child(2){animation-delay:.15s}.typing span:nth-child(3){animation-delay:.3s}@keyframes pulse{0%,70%,to{opacity:.3;transform:translateY(0)}35%{opacity:1;transform:translateY(-2px)}}.empty-state{margin:auto;text-align:center;max-width:380px}.empty-state h3{margin:0 0 6px;font-size:15px;font-weight:600;color:#334155}.empty-state p{margin:0 0 18px;font-size:13px;color:#94a3b8;line-height:1.5}.chips{display:flex;flex-direction:column;gap:8px}.chips button{text-align:left;padding:10px 14px;border:1px solid #e2e8f0;border-radius:10px;background:#fff;font-size:13px;color:#334155;cursor:pointer;transition:border-color .15s,box-shadow .15s}.chips button:hover{border-color:#c7d2fe;box-shadow:0 0 0 3px #4f46e514}.composer{display:flex;gap:10px;padding:14px 24px;border-top:1px solid #e2e8f0;background:#fff}.composer input{flex:1;padding:11px 14px;border:1px solid #d1d5db;border-radius:10px;font-size:14px;outline:none;transition:border-color .15s,box-shadow .15s}.composer input:focus{border-color:#4f46e5;box-shadow:0 0 0 3px #4f46e51f}.composer button{padding:11px 22px;border:0;border-radius:10px;background:#4f46e5;color:#fff;font-size:13.5px;font-weight:600;cursor:pointer;transition:background .15s}.composer button:hover:not(:disabled){background:#4338ca}.composer button:disabled{background:#c7d2fe;cursor:default}.stats{display:flex;gap:8px;padding:10px 20px;border-bottom:1px solid #e2e8f0;background:#f8fafc;flex-wrap:wrap}.stat{font-size:11.5px;color:#64748b;background:#fff;border:1px solid #e2e8f0;border-radius:999px;padding:3px 10px}.stat b{color:#334155;font-weight:600}.handoffs{padding:10px 20px;border-bottom:1px solid #e2e8f0;background:#f8fafc;display:flex;flex-direction:column;gap:6px}.handoff-line{display:flex;align-items:baseline;gap:10px;font-size:12px;overflow:hidden}.handoff-route{flex-shrink:0;font-weight:600;color:#4338ca;background:#eef2ff;border-radius:999px;padding:2px 9px;font-size:11px}.handoff-summary{color:#64748b;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.canvas-wrap{flex:1;min-height:0;position:relative}.canvas{position:absolute;top:0;right:0;bottom:0;left:0}.canvas-empty{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;pointer-events:none;text-align:center;color:#94a3b8;font-size:13px;padding:24px;line-height:1.6}.node-drawer{border-top:1px solid #e2e8f0;background:#f8fafc;padding:12px 16px;max-height:46%;overflow-y:auto}.node-drawer-head{display:flex;align-items:center;gap:10px;margin-bottom:10px}.node-type{font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:.05em;color:#fff;background:#64748b;border-radius:999px;padding:3px 8px}.node-type.fact{background:#2563eb}.node-type.turn{background:#64748b}.node-type.preference{background:#059669}.node-type.entity{background:#d97706}.node-type.session{background:#7c3aed}.node-type.user{background:#111827}.node-type.agent{background:#4f46e5}.node-title{font-size:14px;font-weight:600;color:#0f172a}.node-close{margin-left:auto;border:1px solid #e2e8f0;background:#fff;color:#64748b;font-size:11.5px;border-radius:8px;padding:4px 10px;cursor:pointer}.node-close:hover{color:#0f172a;border-color:#cbd5e1}.node-props{margin:0 0 12px;display:grid;grid-template-columns:max-content 1fr;gap:4px 14px;font-size:12.5px}.node-prop{display:contents}.node-prop dt{color:#94a3b8;font-weight:500;white-space:nowrap}.node-prop dd{margin:0;color:#334155;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;word-break:break-word}.node-source-title{font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.06em;color:#94a3b8;margin:0 0 8px}.node-source-note{font-size:12.5px;color:#94a3b8;margin:0}.steps{max-height:34%;overflow-y:auto;border-top:1px solid #e2e8f0;padding:12px 16px;background:#fff}.steps-title{font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.06em;color:#94a3b8;margin:0 0 10px}.step{border:1px solid #e2e8f0;border-radius:10px;margin-bottom:8px;background:#fff;overflow:hidden}.step summary{cursor:pointer;padding:9px 12px;font-size:12.5px;color:#334155;display:flex;align-items:center;gap:10px;list-style:none}.step summary::-webkit-details-marker{display:none}.step .count{margin-left:auto;color:#94a3b8;font-size:11.5px}.badge{display:inline-block;padding:2px 9px;border-radius:999px;font-size:11px;font-weight:600}.badge.episodic{background:#eef2ff;color:#4338ca}.badge.semantic{background:#eff6ff;color:#1d4ed8}.badge.procedural{background:#ecfdf5;color:#047857}.badge.temporal{background:#fff7ed;color:#c2410c}.step pre{margin:0;padding:10px 12px;border-top:1px solid #e2e8f0;background:#f8fafc;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:11px;line-height:1.55;color:#64748b;white-space:pre-wrap;word-break:break-all}.legend{display:flex;gap:12px;font-size:11px;color:#94a3b8;font-weight:500}.legend span:before{content:"";display:inline-block;width:8px;height:8px;border-radius:50%;margin-right:5px}.legend .fact:before{background:#2563eb}.legend .turn:before{background:#64748b}.legend .pref:before{background:#059669}.legend .entity:before{background:#d97706}