:root{--bg: #0e1117;--bg-2: #151b26;--panel: #1a2230;--panel-2: #212b3d;--line: #2b3852;--text: #e7ecf3;--muted: #8a97ab;--accent: #5b8cff;font-family:Inter,Segoe UI,system-ui,-apple-system,sans-serif}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased}.boot{display:grid;place-items:center;height:100%;color:var(--muted)}.login-screen{display:grid;place-items:center;height:100%;background:radial-gradient(900px 600px at 50% -10%,#1d2942,var(--bg))}.login-card{display:flex;flex-direction:column;gap:14px;width:340px;padding:36px 32px;background:var(--panel);border:1px solid var(--line);border-radius:18px;box-shadow:0 30px 80px #00000080;text-align:center}.login-logo{font-size:40px;color:var(--accent)}.login-card h1{margin:0;font-size:22px}.login-sub{margin:0 0 8px;color:var(--muted);font-size:13px}.login-card input,.composer textarea{background:var(--bg-2);border:1px solid var(--line);border-radius:12px;color:var(--text);font-size:15px;padding:12px 14px;outline:none}.login-card input:focus{border-color:var(--accent)}.login-error{color:#ff7a85;font-size:13px}.login-card button,.send-btn{background:linear-gradient(180deg,#6a97ff,#4f7ef0);border:none;border-radius:12px;color:#fff;cursor:pointer;font-size:15px;font-weight:600;padding:12px 16px}.login-card button:disabled,.send-btn:disabled{opacity:.5;cursor:not-allowed}.layout{display:grid;grid-template-columns:290px 1fr;height:100%}.rail{display:flex;flex-direction:column;background:var(--bg-2);border-right:1px solid var(--line);padding:18px 14px;overflow-y:auto}.rail-head{display:flex;align-items:center;gap:12px;padding:4px 6px 18px}.rail-mark{display:grid;place-items:center;width:40px;height:40px;border-radius:11px;background:linear-gradient(135deg,#5b8cff,#9b6bff);font-size:20px}.rail-title{font-weight:700;font-size:15px}.rail-sub{color:var(--muted);font-size:12px}.rail-label{color:var(--muted);font-size:11px;letter-spacing:.08em;text-transform:uppercase;padding:8px 6px}.rail-agents{display:flex;flex-direction:column;gap:8px}.agent-card{display:flex;gap:12px;align-items:flex-start;text-align:left;background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:12px;cursor:pointer;transition:border-color .15s,transform .1s,background .15s}.agent-card:hover{background:var(--panel-2)}.agent-card.active{border-color:var(--accent);box-shadow:0 0 0 1px var(--accent),0 12px 30px 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h2{color:var(--text);margin:12px 0 6px;font-size:19px}.row{display:flex;flex-direction:column;gap:6px;max-width:760px}.row.user{align-self:flex-end;align-items:flex-end}.row.agent{align-self:flex-start}.who{display:flex;align-items:center;gap:6px;color:var(--muted);font-size:12px;font-weight:600;padding:0 4px}.who-avatar{width:18px;height:18px;font-size:11px}.bubble{border-radius:16px;padding:12px 16px;font-size:14.5px;line-height:1.55}.user-bubble{background:linear-gradient(180deg,#3d6bf0,#355fd8);color:#fff;border-bottom-right-radius:5px;white-space:pre-wrap}.agent-bubble{background:var(--panel);border:1px solid var(--line);border-left:3px solid var(--accent);border-bottom-left-radius:5px}.steps{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:10px}.step-chip{display:inline-flex;align-items:center;gap:5px;background:var(--bg-2);border:1px solid var(--line);border-radius:20px;color:var(--muted);font-size:11.5px;padding:3px 9px}.step-spark{color:var(--accent)}.steps.live .step-chip:last-child{border-color:var(--accent);color:var(--text)}.typing{display:flex;gap:4px;padding:4px 0}.typing span{width:7px;height:7px;border-radius:50%;background:var(--accent);animation:blink 1.2s infinite both}.typing span:nth-child(2){animation-delay:.2s}.typing span:nth-child(3){animation-delay:.4s}@keyframes blink{0%,80%,to{opacity:.25}40%{opacity:1}}.markdown>*:first-child{margin-top:0}.markdown>*:last-child{margin-bottom:0}.markdown p{margin:8px 0}.markdown h1,.markdown h2,.markdown h3{font-size:15.5px;margin:14px 0 6px}.markdown ul,.markdown ol{padding-left:20px;margin:8px 0}.markdown li{margin:3px 0}.markdown code{background:var(--bg-2);border-radius:5px;padding:1.5px 5px;font-size:13px;font-family:JetBrains Mono,SF Mono,Consolas,monospace}.markdown pre{background:#0b0f17;border:1px solid var(--line);border-radius:10px;padding:12px 14px;overflow-x:auto}.markdown pre code{background:none;padding:0;font-size:12.5px;line-height:1.5}.markdown 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