.mai-node-app{display:grid;grid-template-columns:280px minmax(0,1fr) 320px;gap:16px;min-height:70vh}.mai-node-sidebar,.mai-node-workspace,.mai-node-chat{min-width:0}.mai-card{background:#0f172a;color:#e5e7eb;padding:16px;border-radius:16px;border:1px solid #1e293b;margin-bottom:16px}.mai-node-chat{display:flex;flex-direction:column;background:#111827;border-radius:16px;border:1px solid #1f2937;overflow:hidden}.mai-chat-header{padding:16px 18px;border-bottom:1px solid #1f2937;background:#0b1220;color:#fff}.mai-muted{opacity:.7;font-size:12px;margin-top:4px}.mai-chat-messages{flex:1;overflow:auto;padding:18px;background:linear-gradient(180deg,#0b1020,#101827)}.mai-msg{max-width:85%;padding:12px 14px;border-radius:14px;margin-bottom:12px;white-space:pre-wrap;line-height:1.5}.mai-msg-user{margin-left:auto;background:#2563eb;color:#fff}.mai-msg-assistant{margin-right:auto;background:#1f2937;color:#e5e7eb}.mai-chat-form{display:flex;gap:12px;padding:16px;border-top:1px solid #1f2937;background:#0b1220}.mai-chat-form textarea{flex:1;border-radius:12px;border:1px solid #334155;background:#111827;color:#fff;padding:12px;resize:vertical;min-height:64px}.mai-chat-form button{border:0;border-radius:12px;background:#3b82f6;color:#fff;padding:0 18px;font-weight:600;cursor:pointer}.mai-list{display:grid;gap:10px}.mai-item{padding:10px 12px;background:#111827;border:1px solid #1e293b;border-radius:12px;color:#e5e7eb}@media (max-width:1080px){.mai-node-app{grid-template-columns:1fr}.mai-node-sidebar,.mai-node-workspace{order:2}.mai-node-chat{order:1;min-height:70vh}}