.flow-sidebar{width:220px;flex-shrink:0;background:#1a1d27;border-right:1px solid #2d3148;display:flex;flex-direction:column;overflow:hidden}.sidebar-header{display:flex;align-items:center;justify-content:space-between;padding:14px 16px 10px;border-bottom:1px solid #2d3148}.sidebar-title{font-size:.8rem;font-weight:700;color:#94a3b8;text-transform:uppercase;letter-spacing:.06em}.sidebar-count{font-size:.75rem;background:#252840;color:#64748b;border-radius:10px;padding:1px 7px}.flow-list{list-style:none;margin:0;padding:8px 0;flex:1;overflow-y:auto}.flow-item{padding:10px 16px;cursor:pointer;border-left:3px solid transparent;transition:background .12s,border-color .12s}.flow-item:hover{background:#20233a}.flow-item.active{background:#1e2140;border-left-color:#a78bfa}.flow-item-name{font-size:.85rem;color:#e2e8f0;font-weight:500;line-height:1.3}.flow-item-meta{font-size:.72rem;color:#4f5980;margin-top:3px}.sidebar-footer{padding:12px 16px;border-top:1px solid #2d3148}.btn-add{width:100%;padding:8px;border-radius:6px;border:1px dashed #2d3148;background:transparent;color:#4f5980;font-size:.8rem;cursor:not-allowed}.flow-canvas{width:100%;height:100%;cursor:grab;-webkit-user-select:none;user-select:none}.flow-canvas:active{cursor:grabbing}.flow-node-group:hover rect:first-of-type{stroke:#4f5980}.node-inspector{width:260px;flex-shrink:0;background:#1a1d27;border-left:1px solid #2d3148;padding:16px;overflow-y:auto}.node-inspector.empty{display:flex;align-items:center;justify-content:center}.hint{color:#4f5980;font-size:.8rem;text-align:center}.inspector-title{font-size:.95rem;font-weight:700;color:#e2e8f0;margin:0 0 12px}.inspector-subtitle{font-size:.8rem;font-weight:600;color:#94a3b8;margin:8px 0 6px}.inspector-field{display:flex;flex-direction:column;margin-bottom:10px}.field-label{font-size:.7rem;font-weight:600;color:#64748b;text-transform:uppercase;letter-spacing:.05em;margin-bottom:2px}.field-value{font-size:.85rem;color:#cbd5e1}.field-value.mono{font-family:JetBrains Mono,Fira Mono,monospace;font-size:.8rem;color:#a78bfa}.inspector-divider{border:none;border-top:1px solid #2d3148;margin:12px 0}.flow-builder-page{display:flex;flex:1;overflow:hidden}.canvas-area{flex:1;display:flex;flex-direction:column;overflow:hidden;background:#0f1117}.canvas-toolbar{display:flex;align-items:center;gap:12px;padding:8px 16px;background:#14161f;border-bottom:1px solid #2d3148;flex-shrink:0}.canvas-flow-name{font-size:.875rem;font-weight:700;color:#e2e8f0}.canvas-flow-desc{font-size:.78rem;color:#64748b;flex:1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.canvas-status{font-size:.72rem;color:#4f5980;background:#1a1d27;border:1px solid #2d3148;border-radius:4px;padding:2px 8px;white-space:nowrap}.chat-widget-trigger{position:fixed;bottom:24px;right:24px;width:56px;height:56px;border-radius:50%;background:var(--chat-primary, #6366f1);border:none;cursor:pointer;display:flex;align-items:center;justify-content:center;box-shadow:0 4px 16px #0000003d;transition:transform .2s ease,box-shadow .2s ease;z-index:9999;color:#fff;font-size:24px}.chat-widget-trigger:hover{transform:scale(1.08);box-shadow:0 6px 20px #0000004d}.chat-widget-panel{position:fixed;bottom:92px;right:24px;width:360px;height:520px;background:#fff;border-radius:16px;box-shadow:0 8px 40px #0000002e;display:flex;flex-direction:column;overflow:hidden;z-index:9998;animation:widget-slide-in .22s ease}@keyframes widget-slide-in{0%{opacity:0;transform:translateY(16px) scale(.97)}to{opacity:1;transform:translateY(0) scale(1)}}.chat-widget-header{background:var(--chat-primary, #6366f1);color:#fff;padding:14px 18px;display:flex;align-items:center;justify-content:space-between;flex-shrink:0}.chat-widget-header-info{display:flex;align-items:center;gap:10px}.chat-widget-avatar{width:34px;height:34px;border-radius:50%;background:#ffffff40;display:flex;align-items:center;justify-content:center;font-size:18px}.chat-widget-header-text{display:flex;flex-direction:column}.chat-widget-title{font-size:15px;font-weight:600;line-height:1.2}.chat-widget-status{font-size:11px;opacity:.82}.chat-widget-close{background:none;border:none;color:#fff;cursor:pointer;font-size:20px;padding:4px;opacity:.8;transition:opacity .15s;line-height:1}.chat-widget-close:hover{opacity:1}.chat-widget-channel-badge{font-size:10px;padding:2px 8px;border-radius:99px;background:#fff3;color:#fff;text-transform:uppercase;letter-spacing:.05em;font-weight:600}.chat-widget-messages{flex:1;overflow-y:auto;padding:16px 14px;display:flex;flex-direction:column;gap:10px;background:#f8f9fc}.chat-widget-messages::-webkit-scrollbar{width:4px}.chat-widget-messages::-webkit-scrollbar-thumb{background:#d1d5db;border-radius:4px}.chat-message{display:flex;flex-direction:column;max-width:82%}.chat-message.user{align-self:flex-end;align-items:flex-end}.chat-message.assistant{align-self:flex-start;align-items:flex-start}.chat-message-bubble{padding:10px 14px;border-radius:16px;font-size:14px;line-height:1.5;word-break:break-word}.chat-message.user .chat-message-bubble{background:var(--chat-primary, #6366f1);color:#fff;border-bottom-right-radius:4px}.chat-message.assistant .chat-message-bubble{background:#fff;color:#1f2937;border-bottom-left-radius:4px;box-shadow:0 1px 4px #00000014}.chat-message-meta{font-size:10px;color:#9ca3af;margin-top:3px;padding:0 4px}.chat-thinking{align-self:flex-start;background:#fff;border-radius:16px 16px 16px 4px;padding:12px 16px;box-shadow:0 1px 4px #00000014;display:flex;gap:4px;align-items:center}.chat-thinking span{width:6px;height:6px;background:#9ca3af;border-radius:50%;animation:bounce 1.2s ease infinite}.chat-thinking span:nth-child(2){animation-delay:.2s}.chat-thinking span:nth-child(3){animation-delay:.4s}@keyframes bounce{0%,80%,to{transform:translateY(0)}40%{transform:translateY(-5px)}}.chat-widget-status-bar{background:#fef3c7;border-top:1px solid #fde68a;padding:8px 14px;font-size:12px;color:#92400e;display:flex;align-items:center;gap:6px;flex-shrink:0}.chat-widget-input-area{padding:12px 14px;border-top:1px solid #e5e7eb;display:flex;gap:8px;align-items:flex-end;background:#fff;flex-shrink:0}.chat-widget-input{flex:1;border:1px solid #d1d5db;border-radius:20px;padding:9px 14px;font-size:14px;resize:none;outline:none;max-height:100px;min-height:38px;font-family:inherit;line-height:1.4;transition:border-color .15s}.chat-widget-input:focus{border-color:var(--chat-primary, #6366f1)}.chat-widget-input:disabled{background:#f3f4f6;color:#9ca3af}.chat-widget-send{width:38px;height:38px;border-radius:50%;background:var(--chat-primary, #6366f1);border:none;cursor:pointer;display:flex;align-items:center;justify-content:center;color:#fff;flex-shrink:0;transition:background .15s,transform .15s;font-size:16px}.chat-widget-send:hover:not(:disabled){background:#4f46e5;transform:scale(1.05)}.chat-widget-send:disabled{background:#d1d5db;cursor:not-allowed}.chat-message.error .chat-message-bubble{background:#fee2e2;color:#991b1b}.channel-selector{display:flex;gap:6px;flex-wrap:wrap;padding:8px 14px 0;justify-content:center}.channel-btn{padding:4px 12px;border-radius:99px;border:1px solid #e5e7eb;background:#fff;font-size:12px;cursor:pointer;transition:all .15s;color:#374151}.channel-btn.active,.channel-btn:hover{background:var(--chat-primary, #6366f1);color:#fff;border-color:transparent}.chat-demo-page{max-width:1100px;margin:0 auto;padding:24px 20px 120px}.chat-demo-header{margin-bottom:28px}.chat-demo-header h1{font-size:24px;font-weight:700;color:#111827;margin:0 0 8px}.chat-demo-subtitle{color:#6b7280;font-size:14px;line-height:1.6;max-width:620px;margin:0}.chat-demo-body{display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:start}@media (max-width: 768px){.chat-demo-body{grid-template-columns:1fr}}.chat-demo-config{display:flex;flex-direction:column;gap:20px}.config-section{background:#fff;border:1px solid #e5e7eb;border-radius:12px;padding:18px 20px}.config-section h2{font-size:14px;font-weight:600;color:#374151;margin:0 0 12px;text-transform:uppercase;letter-spacing:.05em}.channel-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px}.channel-card{display:flex;flex-direction:column;align-items:center;gap:6px;padding:14px 8px;border:2px solid #e5e7eb;border-radius:10px;background:#fff;cursor:pointer;transition:all .15s}.channel-card:hover{border-color:#a5b4fc;background:#f5f3ff}.channel-card.selected{border-color:#6366f1;background:#ede9fe}.channel-card-icon{font-size:22px}.channel-card-label{font-size:12px;font-weight:500;color:#374151}.config-hint{font-size:12px;color:#6b7280;margin:0 0 10px}.config-input{width:100%;box-sizing:border-box;border:1px solid #d1d5db;border-radius:8px;padding:9px 12px;font-size:14px;outline:none;transition:border-color .15s}.config-input:focus{border-color:#6366f1}.config-description{font-size:13px;color:#4b5563;line-height:1.55;margin:0 0 12px}.snippet-toggle{background:none;border:1px solid #d1d5db;border-radius:6px;padding:6px 12px;font-size:13px;cursor:pointer;color:#6366f1;transition:all .15s}.snippet-toggle:hover{background:#ede9fe}.embed-snippet{margin:12px 0 0;background:#1e1e2e;color:#cdd6f4;border-radius:8px;padding:14px 16px;font-size:12px;overflow-x:auto;white-space:pre-wrap;word-break:break-all}.status-list{display:flex;flex-direction:column;gap:8px}.status-item{font-size:13px;color:#374151;display:flex;align-items:center;gap:8px}.status-item.ok{color:#065f46}.status-item.pending{color:#6b7280}.chat-demo-preview{background:#f9fafb;border:2px dashed #d1d5db;border-radius:12px;padding:32px 24px;display:flex;flex-direction:column;gap:16px;min-height:320px;position:relative}.preview-label{font-size:13px;font-weight:600;color:#9ca3af;text-transform:uppercase;letter-spacing:.08em}.preview-hint{font-size:14px;color:#4b5563;line-height:1.6}.preview-api-info{font-size:13px;color:#374151;background:#fff;border:1px solid #e5e7eb;border-radius:8px;padding:10px 14px;line-height:1.6}.preview-api-info code{font-size:12px;color:#6366f1;word-break:break-all}.app{display:flex;flex-direction:column;height:100vh;overflow:hidden}.app-header{display:flex;align-items:center;justify-content:space-between;padding:0 24px;height:52px;background:#1a1d27;border-bottom:1px solid #2d3148;flex-shrink:0}.app-logo{font-size:1.1rem;font-weight:700;color:#a78bfa;letter-spacing:-.02em}.app-nav{display:flex;gap:8px}.nav-link{padding:6px 14px;border-radius:6px;color:#94a3b8;text-decoration:none;font-size:.875rem;font-weight:500;transition:background .15s,color .15s}.nav-link:hover{background:#252840;color:#e2e8f0}.nav-link.active{background:#312e81;color:#a78bfa}.app-main{flex:1;overflow:hidden;display:flex}.placeholder{display:flex;align-items:center;justify-content:center;width:100%;color:#64748b;font-size:1rem}