*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--primary: #4f46e5;--primary-dark: #4338ca;--primary-light: #e0e7ff;--accent: #7c3aed;--success: #059669;--success-light: #d1fae5;--warning: #d97706;--warning-light: #fef3c7;--danger: #dc2626;--danger-light: #fee2e2;--text: #111827;--text-secondary: #6b7280;--border: #e5e7eb;--bg: #f8fafc;--surface: #ffffff;--sidebar-w: 240px;--radius: 12px;--shadow: 0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.04);--shadow-md: 0 4px 16px rgba(0,0,0,.1);font-size:15px}body{font-family:Inter,system-ui,sans-serif;background:var(--bg);color:var(--text);min-height:100vh}.app-layout{display:flex;min-height:100vh}.sidebar{width:var(--sidebar-w);background:var(--surface);border-right:1px solid var(--border);position:fixed;top:0;left:0;bottom:0;display:flex;flex-direction:column;z-index:100;overflow-y:auto}.sidebar-logo{padding:24px 20px 20px;border-bottom:1px solid var(--border)}.sidebar-logo h2{font-size:16px;font-weight:700;color:var(--primary);line-height:1.2}.sidebar-logo p{font-size:11px;color:var(--text-secondary);margin-top:3px}.sidebar-nav{flex:1;padding:12px 0}.nav-section-title{font-size:10px;font-weight:600;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.8px;padding:8px 20px 4px}.nav-item{display:flex;align-items:center;gap:10px;padding:10px 20px;color:var(--text-secondary);text-decoration:none;font-size:14px;font-weight:500;transition:all .15s;border-left:3px solid transparent}.nav-item:hover{background:var(--bg);color:var(--text)}.nav-item.active{background:var(--primary-light);color:var(--primary);border-left-color:var(--primary)}.nav-icon{font-size:17px;width:20px;text-align:center}.main-content{margin-left:var(--sidebar-w);flex:1;padding:32px;max-width:1200px}.page-header{display:flex;align-items:flex-start;justify-content:space-between;margin-bottom:28px;gap:16px;flex-wrap:wrap}.page-header h1{font-size:22px;font-weight:700}.page-header p{font-size:14px;color:var(--text-secondary);margin-top:4px}.header-actions{display:flex;gap:10px;flex-wrap:wrap}.btn{display:inline-flex;align-items:center;gap:6px;padding:9px 18px;border-radius:8px;border:none;font-size:14px;font-weight:600;cursor:pointer;transition:all .15s;white-space:nowrap;text-decoration:none}.btn:disabled{opacity:.55;cursor:not-allowed}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover:not(:disabled){background:var(--primary-dark)}.btn-secondary{background:var(--surface);color:var(--text);border:1px solid var(--border)}.btn-secondary:hover:not(:disabled){background:var(--bg)}.btn-danger{background:var(--danger);color:#fff}.btn-danger:hover:not(:disabled){background:#b91c1c}.btn-success{background:var(--success);color:#fff}.btn-success:hover:not(:disabled){background:#047857}.btn-sm{padding:6px 12px;font-size:13px}.btn-icon{padding:7px;border-radius:8px;background:var(--bg);border:1px solid var(--border);color:var(--text-secondary);cursor:pointer;font-size:16px;transition:all .15s}.btn-icon:hover{background:var(--primary-light);color:var(--primary);border-color:var(--primary)}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow)}.card-header{padding:18px 24px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between}.card-header h3{font-size:15px;font-weight:600}.card-body{padding:24px}.stats-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:16px;margin-bottom:28px}.stat-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow)}.stat-card .stat-label{font-size:12px;color:var(--text-secondary);font-weight:500;text-transform:uppercase;letter-spacing:.5px}.stat-card .stat-value{font-size:30px;font-weight:700;margin-top:6px}.stat-card .stat-icon{font-size:22px;margin-bottom:8px}.stat-primary .stat-value{color:var(--primary)}.stat-success .stat-value{color:var(--success)}.stat-warning .stat-value{color:var(--warning)}.stat-danger .stat-value{color:var(--danger)}.table-wrapper{overflow-x:auto}table{width:100%;border-collapse:collapse;font-size:14px}th{text-align:left;padding:11px 16px;font-size:12px;font-weight:600;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.5px;background:var(--bg);border-bottom:1px solid var(--border)}td{padding:13px 16px;border-bottom:1px solid var(--border);vertical-align:middle}tr:last-child td{border-bottom:none}tr:hover td{background:#fafafa}.td-actions{display:flex;gap:6px}.badge{display:inline-flex;align-items:center;gap:4px;padding:3px 10px;border-radius:50px;font-size:12px;font-weight:600}.badge-pending{background:var(--warning-light);color:var(--warning)}.badge-sent{background:var(--success-light);color:var(--success)}.badge-cancelled{background:#f3f4f6;color:#9ca3af}.badge-active{background:var(--success-light);color:var(--success)}.badge-inactive{background:#f3f4f6;color:#9ca3af}.badge-custom{background:#ede9fe;color:#6d28d9}.form-group{margin-bottom:18px}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}label{display:block;font-size:13px;font-weight:600;color:var(--text);margin-bottom:6px}.label-hint{font-size:12px;color:var(--text-secondary);font-weight:400;margin-left:4px}input[type=text],input[type=email],input[type=date],input[type=datetime-local],input[type=url],textarea,select{width:100%;padding:9px 12px;border:1.5px solid var(--border);border-radius:8px;font-size:14px;font-family:inherit;color:var(--text);background:var(--surface);transition:border-color .15s;outline:none}input:focus,textarea:focus,select:focus{border-color:var(--primary)}textarea{resize:vertical;min-height:80px}.form-actions{display:flex;gap:10px;justify-content:flex-end;margin-top:24px}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000073;display:flex;align-items:center;justify-content:center;z-index:999;padding:16px}.modal{background:var(--surface);border-radius:16px;width:100%;max-width:520px;box-shadow:var(--shadow-md);overflow:hidden}.modal-header{padding:20px 24px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between}.modal-header h3{font-size:16px;font-weight:700}.modal-body{padding:24px}.modal-footer{padding:16px 24px;border-top:1px solid var(--border);display:flex;gap:10px;justify-content:flex-end}.btn-close{background:none;border:none;font-size:20px;cursor:pointer;color:var(--text-secondary);line-height:1}.toast-container{position:fixed;bottom:24px;right:24px;display:flex;flex-direction:column;gap:10px;z-index:9999}.toast{display:flex;align-items:center;gap:10px;padding:14px 18px;border-radius:10px;background:var(--surface);border:1px solid var(--border);box-shadow:var(--shadow-md);font-size:14px;min-width:280px;max-width:400px;animation:slideIn .25s ease}@keyframes slideIn{0%{transform:translate(120%);opacity:0}to{transform:translate(0);opacity:1}}.toast-success{border-left:4px solid var(--success)}.toast-error{border-left:4px solid var(--danger)}.toast-info{border-left:4px solid var(--primary)}.drop-zone{border:2px dashed var(--border);border-radius:var(--radius);padding:48px 32px;text-align:center;cursor:pointer;transition:all .2s}.drop-zone:hover,.drop-zone.drag-over{border-color:var(--primary);background:var(--primary-light)}.drop-zone .dz-icon{font-size:40px;margin-bottom:12px}.drop-zone h4{font-size:15px;font-weight:600;margin-bottom:6px}.drop-zone p{font-size:13px;color:var(--text-secondary)}.empty-state{text-align:center;padding:60px 32px;color:var(--text-secondary)}.empty-state .es-icon{font-size:48px;margin-bottom:16px}.empty-state h3{font-size:16px;font-weight:600;color:var(--text);margin-bottom:6px}.empty-state p{font-size:14px}.spinner{width:20px;height:20px;border:3px solid var(--border);border-top-color:var(--primary);border-radius:50%;animation:spin .7s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.loading-center{display:flex;justify-content:center;padding:60px}.inline-date-editor{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.inline-date-editor input{width:auto;flex:1;min-width:180px}.filter-bar{display:flex;gap:10px;margin-bottom:20px;flex-wrap:wrap}.filter-bar input,.filter-bar select{flex:1;min-width:160px;max-width:280px}.text-muted{color:var(--text-secondary)}.text-sm{font-size:13px}.text-right{text-align:right}.gap-8{display:flex;gap:8px;align-items:center}.mt-8{margin-top:8px}.mb-16{margin-bottom:16px}.info-box{background:#eff6ff;border:1px solid #bfdbfe;border-radius:8px;padding:12px 16px;font-size:13px;color:#1e40af}.warning-box{background:var(--warning-light);border:1px solid #fde68a;border-radius:8px;padding:12px 16px;font-size:13px;color:#92400e}.segment-trial{display:inline-flex;align-items:center;padding:3px 10px;border-radius:50px;font-size:12px;font-weight:600;background:#dbeafe;color:#1d4ed8}.segment-paid{display:inline-flex;align-items:center;padding:3px 10px;border-radius:50px;font-size:12px;font-weight:600;background:var(--success-light);color:var(--success)}.segment-cancelled{display:inline-flex;align-items:center;padding:3px 10px;border-radius:50px;font-size:12px;font-weight:600;background:var(--danger-light);color:var(--danger)}.segment-general{display:inline-flex;align-items:center;padding:3px 10px;border-radius:50px;font-size:12px;font-weight:600;background:var(--bg);color:var(--text-secondary);border:1px solid var(--border)}.nav-divider{margin:8px 20px;border:none;border-top:1px solid var(--border)}.wf-canvas{max-width:620px;margin:0 auto}.wf-trigger-node,.wf-step-node{background:var(--surface);border:2px solid var(--border);border-radius:14px;padding:16px 20px;transition:border-color .15s,box-shadow .15s}.wf-trigger-node{border-color:var(--success)}.wf-step-node.type-email{border-color:var(--primary)}.wf-step-node.type-delay{border-color:var(--warning)}.wf-step-node.is-editing{box-shadow:0 0 0 3px #4f46e526}.wf-node-header{display:flex;align-items:center;gap:10px}.wf-node-icon{width:36px;height:36px;border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:18px;flex-shrink:0}.type-email .wf-node-icon{background:var(--primary-light)}.type-delay .wf-node-icon{background:var(--warning-light)}.wf-trigger-node .wf-node-icon{background:var(--success-light)}.wf-node-label{font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.5px;color:var(--text-secondary)}.wf-node-summary{font-size:14px;color:var(--text);margin-top:2px;font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:320px}.wf-node-actions{margin-left:auto;display:flex;gap:4px;opacity:0;transition:opacity .15s}.wf-step-node:hover .wf-node-actions,.wf-trigger-node:hover .wf-node-actions{opacity:1}.wf-node-edit-area{margin-top:16px;padding-top:16px;border-top:1px solid var(--border)}.wf-connector{display:flex;flex-direction:column;align-items:center;padding:2px 0}.wf-connector-line{width:2px;height:22px;background:var(--border)}.wf-add-btn{display:flex;align-items:center;gap:6px;padding:5px 14px;background:var(--surface);border:1.5px dashed var(--border);border-radius:50px;font-size:13px;font-weight:600;color:var(--text-secondary);cursor:pointer;transition:all .15s;white-space:nowrap;margin:2px 0}.wf-add-btn:hover{border-color:var(--primary);color:var(--primary);background:var(--primary-light)}.wf-end-node{display:flex;align-items:center;justify-content:center;gap:8px;padding:14px;border:2px dashed var(--border);border-radius:14px;color:var(--text-secondary);font-size:13px;font-weight:600}.step-type-picker{display:flex;gap:12px;padding:8px 0}.step-type-btn{flex:1;display:flex;flex-direction:column;align-items:center;gap:8px;padding:16px 12px;border:2px solid var(--border);border-radius:12px;background:var(--surface);cursor:pointer;transition:all .15s;font-size:13px;font-weight:600;color:var(--text-secondary)}.step-type-btn:hover{border-color:var(--primary);color:var(--primary);background:var(--primary-light)}.step-type-btn .step-icon{font-size:28px}.template-editor-layout{display:grid;grid-template-columns:1fr 1fr;gap:20px;align-items:start}@media (max-width:900px){.template-editor-layout{grid-template-columns:1fr}}.var-chips{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:8px}.var-chip{padding:3px 10px;background:var(--primary-light);color:var(--primary);border-radius:50px;font-size:12px;font-weight:600;cursor:pointer;font-family:monospace;border:1px solid #c7d2fe;transition:background .15s}.var-chip:hover{background:#c7d2fe}.email-preview-frame{width:100%;height:480px;border:1px solid var(--border);border-radius:10px;background:#f8f8f8}.badge-draft{background:#f3f4f6;color:#6b7280}.badge-paused{background:var(--warning-light);color:var(--warning)}.badge-completed{background:var(--success-light);color:var(--success)}.badge-failed{background:var(--danger-light);color:var(--danger)}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}@media (max-width: 600px){.form-grid{grid-template-columns:1fr}}.form-hint{margin:4px 0 0;font-size:12px;color:var(--text-secondary)}.toggle-switch{position:relative;display:inline-block;width:44px;height:24px;flex-shrink:0}.toggle-switch input{opacity:0;width:0;height:0}.toggle-slider{position:absolute;top:0;right:0;bottom:0;left:0;background:#d1d5db;border-radius:24px;cursor:pointer;transition:background .2s}.toggle-slider:before{content:"";position:absolute;width:18px;height:18px;left:3px;top:3px;background:#fff;border-radius:50%;transition:transform .2s}.toggle-switch input:checked+.toggle-slider{background:var(--primary)}.toggle-switch input:checked+.toggle-slider:before{transform:translate(20px)}.integration-step{display:flex;gap:16px;align-items:flex-start;transition:opacity .2s}.step-number{width:34px;height:34px;border-radius:50%;background:var(--primary);color:#fff;font-size:13px;font-weight:700;display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:background .2s}