:root{--primary: #0d9488;--primary-light: #14b8a6;--primary-dark: #0f766e;--primary-glow: rgba(13, 148, 136, .15);--sidebar-bg: #1a2332;--sidebar-hover: #243044;--sidebar-active: #0d9488;--sidebar-text: #94a3b8;--sidebar-text-active: #ffffff;--sidebar-width: 240px;--bg-main: #f1f5f9;--bg-card: #ffffff;--bg-dark: #0f172a;--text-primary: #1e293b;--text-secondary: #64748b;--text-muted: #94a3b8;--text-white: #ffffff;--success: #22c55e;--warning: #f59e0b;--danger: #ef4444;--info: #3b82f6;--border: #e2e8f0;--border-light: #f1f5f9;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .07), 0 2px 4px -2px rgba(0, 0, 0, .05);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .08), 0 4px 6px -4px rgba(0, 0, 0, .05);--radius-sm: 6px;--radius-md: 10px;--radius-lg: 16px;--radius-full: 9999px;--transition: all .2s ease}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;background:var(--bg-main);color:var(--text-primary);line-height:1.6;-webkit-font-smoothing:antialiased}a{text-decoration:none;color:inherit}button{cursor:pointer;font-family:inherit}input,textarea,select{font-family:inherit}.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#e0f2fe,#f0f9ff,#ecfdf5)}.login-card{width:420px;background:var(--bg-card);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);overflow:hidden;animation:slideUp .5s ease}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.login-header{background:linear-gradient(135deg,var(--primary) 0%,var(--primary-dark) 100%);padding:40px 32px;text-align:center;color:#fff}.login-header .icon{width:56px;height:56px;background:#fff3;border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center;margin:0 auto 16px;font-size:24px;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.login-header h1{font-size:24px;font-weight:700;margin-bottom:6px}.login-header p{font-size:14px;opacity:.85}.login-form{padding:32px}.login-error{background:#fef2f2;border:1px solid #fecaca;color:var(--danger);padding:12px 16px;border-radius:var(--radius-sm);margin-bottom:20px;font-size:13px}.form-group{margin-bottom:20px}.form-group label{display:block;font-size:13px;font-weight:600;color:var(--text-primary);margin-bottom:6px}.form-input{width:100%;padding:12px 16px;border:1.5px solid var(--border);border-radius:var(--radius-sm);font-size:14px;color:var(--text-primary);background:var(--bg-card);transition:var(--transition);outline:none}.form-input:focus{border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-glow)}.form-input::placeholder{color:var(--text-muted)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 24px;border:none;border-radius:var(--radius-sm);font-size:14px;font-weight:600;transition:var(--transition);white-space:nowrap}.btn-primary{background:linear-gradient(135deg,var(--primary) 0%,var(--primary-dark) 100%);color:#fff;width:100%}.btn-primary:hover{transform:translateY(-1px);box-shadow:0 4px 12px #0d948859}.btn-primary:disabled{opacity:.6;cursor:not-allowed;transform:none;box-shadow:none}.btn-sm{padding:8px 16px;font-size:13px}.btn-outline{background:transparent;border:1.5px solid var(--border);color:var(--text-secondary)}.btn-outline:hover{border-color:var(--primary);color:var(--primary);background:var(--primary-glow)}.btn-danger{background:var(--danger);color:#fff;border:none}.btn-danger:hover{background:#dc2626}.btn-success{background:var(--success);color:#fff;border:none}.login-footer{text-align:center;padding:0 32px 28px;font-size:13px;color:var(--text-muted)}.app-layout{display:flex;min-height:100vh}.sidebar{width:var(--sidebar-width);background:var(--sidebar-bg);display:flex;flex-direction:column;position:fixed;top:0;left:0;bottom:0;z-index:50;transition:var(--transition)}.sidebar-brand{display:flex;align-items:center;gap:12px;padding:20px;border-bottom:1px solid rgba(255,255,255,.06)}.sidebar-brand .brand-icon{width:36px;height:36px;background:var(--primary);border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;font-size:18px}.sidebar-brand h2{font-size:17px;font-weight:700;color:var(--text-white)}.sidebar-nav{flex:1;padding:12px 10px;display:flex;flex-direction:column;gap:2px}.nav-link{display:flex;align-items:center;gap:12px;padding:11px 16px;border-radius:var(--radius-sm);color:var(--sidebar-text);font-size:14px;font-weight:500;transition:var(--transition);border:none;background:none;width:100%;text-align:left}.nav-link:hover{background:var(--sidebar-hover);color:var(--text-white)}.nav-link.active{background:var(--sidebar-active);color:var(--text-white);box-shadow:0 2px 8px #0d94884d}.nav-link .nav-icon{width:20px;text-align:center;font-size:16px;flex-shrink:0}.sidebar-footer{padding:16px;border-top:1px solid rgba(255,255,255,.06)}.user-info{display:flex;align-items:center;gap:10px;margin-bottom:12px}.user-avatar{width:36px;height:36px;background:var(--primary);border-radius:var(--radius-full);display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:14px}.user-details .user-name{font-size:13px;font-weight:600;color:var(--text-white)}.user-details .user-role{font-size:11px;color:var(--sidebar-text)}.logout-btn{display:flex;align-items:center;gap:8px;padding:8px 12px;width:100%;border:none;background:#ffffff0d;color:var(--sidebar-text);border-radius:var(--radius-sm);font-size:13px;cursor:pointer;transition:var(--transition)}.logout-btn:hover{background:#ef444426;color:var(--danger)}.main-content{margin-left:var(--sidebar-width);flex:1;padding:28px 32px;min-height:100vh}.page-header{margin-bottom:28px}.page-header h1{font-size:26px;font-weight:700;color:var(--text-primary);margin-bottom:4px}.page-header p{font-size:14px;color:var(--text-secondary)}.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-bottom:28px}.stat-card{background:var(--bg-card);border-radius:var(--radius-md);padding:24px;box-shadow:var(--shadow-sm);border:1px solid var(--border-light);display:flex;align-items:center;gap:16px;transition:var(--transition)}.stat-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-md)}.stat-icon{width:48px;height:48px;border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center;font-size:22px;flex-shrink:0}.stat-icon.contacts{background:#ede9fe;color:#7c3aed}.stat-icon.sent{background:#d1fae5;color:#059669}.stat-icon.received{background:#e0e7ff;color:#4f46e5}.stat-icon.campaigns{background:#fce7f3;color:#db2777}.stat-info h3{font-size:28px;font-weight:700;color:var(--text-primary);line-height:1.2}.stat-info p{font-size:12px;font-weight:600;text-transform:uppercase;letter-spacing:.5px;color:var(--text-muted)}.dashboard-grid{display:grid;grid-template-columns:2fr 1fr;gap:20px}.card{background:var(--bg-card);border-radius:var(--radius-md);border:1px solid var(--border-light);box-shadow:var(--shadow-sm)}.card-header{display:flex;align-items:center;justify-content:space-between;padding:18px 24px;border-bottom:1px solid var(--border-light)}.card-header h3{font-size:15px;font-weight:600;color:var(--text-primary)}.card-body{padding:24px}.refresh-btn{font-size:13px;color:var(--primary);background:none;border:none;cursor:pointer;font-weight:500}.refresh-btn:hover{text-decoration:underline}.activity-placeholder{text-align:center;padding:48px 20px;color:var(--text-muted);font-size:14px}.activity-placeholder .chart-icon{font-size:48px;margin-bottom:12px;opacity:.3}.service-list{list-style:none}.service-item{display:flex;align-items:center;gap:10px;padding:12px 0;border-bottom:1px solid var(--border-light);font-size:14px;color:var(--text-primary)}.service-item:last-child{border-bottom:none}.status-dot{width:10px;height:10px;border-radius:var(--radius-full);flex-shrink:0}.status-dot.online{background:var(--success);box-shadow:0 0 6px #22c55e66}.status-dot.offline{background:var(--danger)}.status-dot.checking{background:var(--warning);animation:pulse 1.5s infinite}@keyframes pulse{0%,to{opacity:1}50%{opacity:.4}}.system-badge{margin-top:20px;text-align:right;font-size:11px;font-weight:700;letter-spacing:1px;text-transform:uppercase;color:var(--text-muted)}.activity-chart{display:flex;align-items:flex-end;justify-content:space-around;height:180px;padding:20px 0;gap:8px}.chart-bar-group{display:flex;flex-direction:column;align-items:center;gap:6px;flex:1}.chart-bars{display:flex;gap:3px;align-items:flex-end;height:140px}.chart-bar{width:16px;border-radius:3px 3px 0 0;min-height:4px;transition:height .5s ease}.chart-bar.sent{background:var(--primary)}.chart-bar.received{background:#a78bfa}.chart-label{font-size:11px;color:var(--text-muted);font-weight:500}.chat-layout{display:grid;grid-template-columns:340px 1fr;height:calc(100vh - 120px);background:var(--bg-card);border-radius:var(--radius-md);border:1px solid var(--border-light);box-shadow:var(--shadow-sm);overflow:hidden}.chat-contacts{border-right:1px solid var(--border);display:flex;flex-direction:column}.chat-contacts-header{padding:16px;border-bottom:1px solid var(--border)}.chat-contacts-header h3{font-size:16px;font-weight:600;margin-bottom:12px}.chat-search{width:100%;padding:10px 14px;border:1px solid var(--border);border-radius:var(--radius-full);font-size:13px;background:var(--bg-main);outline:none;transition:var(--transition)}.chat-search:focus{border-color:var(--primary);background:#fff}.contact-list{flex:1;overflow-y:auto}.contact-item{display:flex;align-items:center;gap:12px;padding:14px 16px;cursor:pointer;transition:var(--transition);border-bottom:1px solid var(--border-light)}.contact-item:hover{background:var(--bg-main)}.contact-item.active{background:var(--primary-glow);border-left:3px solid var(--primary)}.contact-avatar{width:42px;height:42px;border-radius:var(--radius-full);background:linear-gradient(135deg,var(--primary) 0%,var(--primary-dark) 100%);display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:15px;flex-shrink:0}.contact-info{flex:1;min-width:0}.contact-name{font-size:14px;font-weight:600;color:var(--text-primary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.contact-last-msg{font-size:12px;color:var(--text-muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-top:2px}.contact-time{font-size:11px;color:var(--text-muted);flex-shrink:0}.chat-area{display:flex;flex-direction:column}.chat-area-header{display:flex;align-items:center;gap:12px;padding:16px 20px;border-bottom:1px solid var(--border);background:#fff}.chat-area-name h3{font-size:15px;font-weight:600}.chat-area-name p{font-size:12px;color:var(--text-muted)}.chat-messages{flex:1;overflow-y:auto;padding:20px;display:flex;flex-direction:column;gap:12px;background:#f8fafc}.message-bubble{max-width:65%;width:fit-content;padding:12px 16px;border-radius:var(--radius-md);font-size:14px;line-height:1.5;position:relative;animation:fadeIn .3s ease;word-wrap:break-word;overflow-wrap:break-word;word-break:break-word;white-space:pre-wrap}@keyframes fadeIn{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.message-bubble.incoming{background:#fff;color:var(--text-primary);border:1px solid var(--border);align-self:flex-start;border-bottom-left-radius:4px}.message-bubble.outgoing{background:linear-gradient(135deg,#dcfce7,#d1fae5);color:var(--text-primary);align-self:flex-end;border-bottom-right-radius:4px}.message-time{font-size:10px;color:var(--text-muted);margin-top:4px;text-align:right}.chat-no-selection{flex:1;display:flex;align-items:center;justify-content:center;color:var(--text-muted);font-size:15px;flex-direction:column;gap:12px}.chat-no-selection .empty-icon{font-size:48px;opacity:.3}.chat-input-area{display:flex;gap:12px;padding:16px 20px;border-top:1px solid var(--border);background:#fff}.chat-input{flex:1;padding:12px 16px;border:1.5px solid var(--border);border-radius:var(--radius-full);font-size:14px;outline:none;transition:var(--transition)}.chat-input:focus{border-color:var(--primary)}.send-btn{width:44px;height:44px;border-radius:var(--radius-full);background:var(--primary);color:#fff;border:none;font-size:18px;display:flex;align-items:center;justify-content:center;transition:var(--transition);flex-shrink:0}.send-btn:hover{background:var(--primary-dark);transform:scale(1.05)}.send-btn:disabled{opacity:.5;cursor:not-allowed;transform:none}.page-toolbar{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:20px}.search-box{padding:10px 16px;border:1.5px solid var(--border);border-radius:var(--radius-full);font-size:14px;width:300px;outline:none;transition:var(--transition);background:var(--bg-card)}.search-box:focus{border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-glow)}.data-table{width:100%;border-collapse:separate;border-spacing:0;background:var(--bg-card);border-radius:var(--radius-md);box-shadow:var(--shadow-sm);border:1px solid var(--border-light);overflow:hidden}.data-table th{text-align:left;padding:14px 20px;font-size:12px;font-weight:600;text-transform:uppercase;letter-spacing:.5px;color:var(--text-muted);background:var(--bg-main);border-bottom:1px solid var(--border)}.data-table td{padding:14px 20px;font-size:14px;color:var(--text-primary);border-bottom:1px solid var(--border-light)}.data-table tr:last-child td{border-bottom:none}.data-table tr:hover td{background:#f8fafc}.badge{display:inline-flex;align-items:center;padding:4px 10px;border-radius:var(--radius-full);font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.3px}.badge.draft{background:#f1f5f9;color:var(--text-secondary)}.badge.running{background:#dbeafe;color:#2563eb}.badge.completed{background:#dcfce7;color:#16a34a}.badge.failed{background:#fef2f2;color:var(--danger)}.badge.scheduled{background:#fef3c7;color:#d97706}.badge.active{background:#dcfce7;color:#16a34a}.badge.inactive{background:#f1f5f9;color:var(--text-muted)}.actions-cell{display:flex;gap:8px}.action-btn{width:32px;height:32px;border:1px solid var(--border);background:var(--bg-card);border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;font-size:14px;color:var(--text-secondary);cursor:pointer;transition:var(--transition)}.action-btn:hover{border-color:var(--primary);color:var(--primary)}.action-btn.delete:hover{border-color:var(--danger);color:var(--danger)}.pagination{display:flex;align-items:center;justify-content:center;gap:8px;margin-top:20px}.pagination button{padding:8px 14px;border:1px solid var(--border);background:var(--bg-card);border-radius:var(--radius-sm);font-size:13px;color:var(--text-secondary);cursor:pointer;transition:var(--transition)}.pagination button.active{background:var(--primary);color:#fff;border-color:var(--primary)}.pagination button:hover:not(.active){border-color:var(--primary);color:var(--primary)}.pagination button:disabled{opacity:.4;cursor:not-allowed}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000080;display:flex;align-items:center;justify-content:center;z-index:100;animation:fadeIn .2s ease;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.modal{background:var(--bg-card);border-radius:var(--radius-lg);width:520px;max-height:80vh;overflow-y:auto;box-shadow:var(--shadow-lg);animation:slideUp .3s ease}.modal-header h3{font-size:17px;font-weight:600}.modal-close{width:32px;height:32px;border:none;background:var(--bg-main);border-radius:var(--radius-sm);font-size:18px;color:var(--text-secondary);cursor:pointer;display:flex;align-items:center;justify-content:center;transition:var(--transition)}.modal-close:hover{background:#fef2f2;color:var(--danger)}.modal-body{padding:24px}.rule-card{background:var(--bg-card);border:1px solid var(--border-light);border-radius:var(--radius-md);padding:20px;margin-bottom:12px;box-shadow:var(--shadow-sm);transition:var(--transition)}.rule-card:hover{box-shadow:var(--shadow-md)}.rule-card .rule-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:8px}.rule-card .keyword{font-weight:600;color:var(--primary);font-size:15px}.rule-card .response{color:var(--text-secondary);font-size:14px}.flow-card{background:var(--bg-card);border:1px solid var(--border-light);border-radius:var(--radius-md);padding:20px;margin-bottom:12px;box-shadow:var(--shadow-sm);transition:var(--transition);cursor:pointer}.flow-card:hover{box-shadow:var(--shadow-md);border-color:var(--primary)}.flow-card .flow-name{font-weight:600;font-size:16px;margin-bottom:6px}.flow-card .flow-desc{color:var(--text-secondary);font-size:13px}.flow-card .flow-meta{display:flex;gap:16px;margin-top:12px;font-size:12px;color:var(--text-muted)}.loading{display:flex;align-items:center;justify-content:center;padding:48px;color:var(--text-muted);font-size:14px;gap:10px}.spinner{width:20px;height:20px;border:2px solid var(--border);border-top-color:var(--primary);border-radius:50%;animation:spin .6s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.empty-state{text-align:center;padding:60px 20px;color:var(--text-muted)}.empty-state .empty-icon{font-size:48px;margin-bottom:16px;opacity:.4}.empty-state h3{font-size:18px;color:var(--text-secondary);margin-bottom:6px}.empty-state p{font-size:14px}.flow-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:16px}.flow-card-v2{background:var(--bg-card);border-radius:var(--radius-md);border:1px solid var(--border-light);box-shadow:var(--shadow-sm);padding:20px;cursor:pointer;transition:var(--transition)}.flow-card-v2:hover{box-shadow:var(--shadow-md);transform:translateY(-2px)}.flow-card-header{display:flex;justify-content:space-between;align-items:flex-start}.flow-card-header h3{font-size:16px;font-weight:600}.flow-card-actions{display:flex;gap:6px;align-items:center}.flow-card-footer{display:flex;gap:16px;font-size:12px;color:var(--text-muted);margin-top:12px;padding-top:12px;border-top:1px solid var(--border-light)}.flow-editor{position:fixed;top:0;right:0;bottom:0;left:0;left:var(--sidebar-width);background:var(--bg-main);z-index:40;display:flex;flex-direction:column}.flow-editor-topbar{display:flex;align-items:center;justify-content:space-between;padding:10px 20px;background:var(--bg-card);border-bottom:1px solid var(--border);box-shadow:var(--shadow-sm);z-index:10}.flow-editor-left{display:flex;align-items:center;gap:12px}.flow-editor-right{display:flex;align-items:center;gap:16px}.flow-name-input{border:none;background:none;font-size:18px;font-weight:600;color:var(--text-primary);outline:none;width:240px}.flow-name-input:focus{border-bottom:2px solid var(--primary)}.flow-name-edit{color:var(--text-muted);font-size:14px;cursor:pointer}.flow-editor-body{display:flex;flex:1;overflow:hidden}.flow-sidebar{width:200px;background:var(--bg-card);border-right:1px solid var(--border);padding:20px 16px;display:flex;flex-direction:column;gap:4px;flex-shrink:0}.flow-sidebar h4{font-size:13px;font-weight:600;color:var(--text-muted);text-transform:uppercase;letter-spacing:.5px;margin-bottom:12px}.flow-block-btn{display:flex;align-items:center;gap:10px;padding:12px 14px;border:none;background:var(--bg-main);color:var(--text-primary);border-radius:var(--radius-sm);font-size:14px;cursor:pointer;transition:var(--transition);text-align:left;width:100%}.flow-block-btn:hover{background:var(--primary-glow);color:var(--primary)}.flow-block-icon{font-size:16px;width:20px;text-align:center}.flow-canvas-container{flex:1;overflow:auto;background:radial-gradient(circle,#e2e8f0 1px,transparent 1px);background-size:20px 20px}.flow-canvas{position:relative;min-width:2000px;min-height:1200px}.flow-edges-svg{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%;pointer-events:none;z-index:1}.flow-edge-path{fill:none;stroke:#94a3b8;stroke-width:2}.flow-edge-hit{fill:none;stroke:transparent;stroke-width:16;cursor:pointer;pointer-events:stroke}.flow-edge-hit:hover+.flow-edge-path,.flow-edge-hit:hover{stroke:var(--danger)}.flow-node{position:absolute;width:240px;background:var(--bg-card);border-radius:var(--radius-md);border:2px solid 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