:root{--bg-primary: #0f0f0f;--bg-card: #1a1a1a;--bg-input: #222222;--border: #2a2a2a;--border-hover: #3a3a3a;--text-primary: #e8e8e8;--text-secondary: #999999;--text-muted: #666666;--accent: #0a66c2;--accent-hover: #0856a2;--accent-light: rgba(10, 102, 194, .15);--danger: #e04040;--danger-hover: #c03030;--success: #2ea043;--warning: #d29922;--sidebar-width: 240px}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen-Sans,Ubuntu,Cantarell,Helvetica Neue,sans-serif;background:var(--bg-primary);color:var(--text-primary);line-height:1.6;-webkit-font-smoothing:antialiased}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}.app-layout{display:flex;min-height:100vh}.sidebar{width:var(--sidebar-width);background:var(--bg-card);border-right:1px solid var(--border);display:flex;flex-direction:column;position:fixed;top:0;left:0;bottom:0;z-index:10}.sidebar-logo{padding:20px 24px;font-size:20px;font-weight:700;color:var(--accent);border-bottom:1px solid var(--border);letter-spacing:-.5px}.sidebar-nav{flex:1;padding:12px 0;display:flex;flex-direction:column;gap:2px}.sidebar-link{display:flex;align-items:center;gap:12px;padding:10px 24px;color:var(--text-secondary);text-decoration:none;font-size:14px;transition:background .15s,color .15s}.sidebar-link:hover{background:var(--accent-light);color:var(--text-primary);text-decoration:none}.sidebar-link.active{background:var(--accent-light);color:var(--accent);font-weight:500}.sidebar-link-icon{width:20px;text-align:center;font-size:16px}.sidebar-footer{padding:16px 24px;border-top:1px solid var(--border);font-size:13px}.sidebar-user{color:var(--text-secondary);margin-bottom:8px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.main-content{margin-left:var(--sidebar-width);flex:1;padding:32px;max-width:1200px}.page-header{margin-bottom:28px}.page-header h1{font-size:24px;font-weight:600;letter-spacing:-.3px}.page-header p{color:var(--text-secondary);font-size:14px;margin-top:4px}.card{background:var(--bg-card);border:1px solid var(--border);border-radius:8px;padding:20px}.card-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}.card-title{font-size:16px;font-weight:600}.stats-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:16px;margin-bottom:24px}.stat-card{background:var(--bg-card);border:1px solid var(--border);border-radius:8px;padding:20px}.stat-label{font-size:13px;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.5px;margin-bottom:4px}.stat-value{font-size:28px;font-weight:700;letter-spacing:-1px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:8px 16px;border:none;border-radius:6px;font-size:14px;font-weight:500;cursor:pointer;transition:background .15s,opacity .15s;line-height:1.4}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:var(--accent);color:#fff}.btn-primary:hover:not(:disabled){background:var(--accent-hover)}.btn-secondary{background:var(--bg-input);color:var(--text-primary);border:1px solid var(--border)}.btn-secondary:hover:not(:disabled){border-color:var(--border-hover);background:var(--border)}.btn-danger{background:var(--danger);color:#fff}.btn-danger:hover:not(:disabled){background:var(--danger-hover)}.btn-sm{padding:4px 12px;font-size:13px}.btn-lg{padding:12px 24px;font-size:16px}.form-group{margin-bottom:16px}.form-label{display:block;font-size:13px;font-weight:500;color:var(--text-secondary);margin-bottom:6px}.form-input,.form-select,.form-textarea{width:100%;padding:10px 12px;background:var(--bg-input);border:1px solid var(--border);border-radius:6px;color:var(--text-primary);font-size:14px;font-family:inherit;transition:border-color .15s}.form-input:focus,.form-select:focus,.form-textarea:focus{outline:none;border-color:var(--accent)}.form-input::placeholder,.form-textarea::placeholder{color:var(--text-muted)}.form-textarea{resize:vertical;min-height:80px}.form-row{display:flex;gap:12px}.form-row>*{flex:1}.table-container{overflow-x:auto}table{width:100%;border-collapse:collapse}th{text-align:left;font-size:12px;font-weight:600;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.5px;padding:10px 12px;border-bottom:1px solid var(--border)}td{padding:12px;border-bottom:1px solid var(--border);font-size:14px}tr:last-child td{border-bottom:none}tr:hover td{background:#ffffff05}.badge{display:inline-flex;align-items:center;padding:2px 10px;border-radius:12px;font-size:12px;font-weight:500;line-height:1.6}.badge-gray{background:#333;color:#aaa}.badge-green{background:#2ea04326;color:#3fb950}.badge-yellow{background:#d2992226;color:#d29922}.badge-blue{background:#0a66c226;color:#58a6ff}.badge-red{background:#e0404026;color:#f85149}.status-dot{display:inline-block;width:8px;height:8px;border-radius:50%;margin-right:8px}.status-dot-green{background:var(--success);box-shadow:0 0 6px #2ea04366}.status-dot-red{background:var(--danger);box-shadow:0 0 6px #e0404066}.campaigns-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:16px}.campaign-card{background:var(--bg-card);border:1px solid var(--border);border-radius:8px;padding:20px;cursor:pointer;transition:border-color .15s}.campaign-card:hover{border-color:var(--border-hover)}.campaign-card-name{font-size:16px;font-weight:600;margin-bottom:8px}.campaign-card-meta{display:flex;gap:16px;color:var(--text-secondary);font-size:13px;margin-top:12px}.sequence-steps{display:flex;flex-direction:column;gap:8px}.sequence-step{display:flex;align-items:center;gap:12px;padding:12px 16px;background:var(--bg-input);border:1px solid var(--border);border-radius:6px;font-size:14px}.sequence-step-number{width:28px;height:28px;display:flex;align-items:center;justify-content:center;background:var(--accent);color:#fff;border-radius:50%;font-size:12px;font-weight:600;flex-shrink:0}.sequence-step-type{font-weight:500}.sequence-step-delay{color:var(--text-secondary);font-size:13px;margin-left:auto}.auth-container{display:flex;align-items:center;justify-content:center;min-height:100vh;padding:20px}.auth-card{background:var(--bg-card);border:1px solid var(--border);border-radius:12px;padding:40px;width:100%;max-width:400px}.auth-title{font-size:24px;font-weight:700;margin-bottom:4px;text-align:center}.auth-subtitle{color:var(--text-secondary);font-size:14px;margin-bottom:28px;text-align:center}.auth-logo{text-align:center;font-size:24px;font-weight:700;color:var(--accent);margin-bottom:24px;letter-spacing:-.5px}.auth-footer{text-align:center;margin-top:20px;font-size:14px;color:var(--text-secondary)}.alert{padding:10px 14px;border-radius:6px;font-size:14px;margin-bottom:16px}.alert-error{background:#e040401a;color:#f85149;border:1px solid rgba(224,64,64,.2)}.alert-success{background:#2ea0431a;color:#3fb950;border:1px solid rgba(46,160,67,.2)}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0009;display:flex;align-items:center;justify-content:center;z-index:50;padding:20px}.modal{background:var(--bg-card);border:1px solid var(--border);border-radius:12px;padding:28px;width:100%;max-width:560px;max-height:80vh;overflow-y:auto}.modal-title{font-size:18px;font-weight:600;margin-bottom:20px}.modal-actions{display:flex;justify-content:flex-end;gap:8px;margin-top:20px}.detail-header{display:flex;align-items:center;gap:16px;margin-bottom:28px;flex-wrap:wrap}.detail-header h1{font-size:24px;font-weight:600}.detail-header-actions{display:flex;gap:8px;margin-left:auto}.section{margin-bottom:28px}.section-title{font-size:16px;font-weight:600;margin-bottom:14px}.loading{display:flex;align-items:center;justify-content:center;padding:60px 20px;color:var(--text-secondary)}.empty-state{text-align:center;padding:40px 20px;color:var(--text-secondary);font-size:14px}.plans-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:16px}.plan-card{background:var(--bg-card);border:1px solid var(--border);border-radius:8px;padding:24px;text-align:center}.plan-card.current{border-color:var(--accent)}.plan-name{font-size:18px;font-weight:600;margin-bottom:4px}.plan-price{font-size:28px;font-weight:700;color:var(--accent);margin-bottom:4px}.plan-period{font-size:13px;color:var(--text-secondary);margin-bottom:16px}@media (max-width: 768px){.sidebar{display:none}.main-content{margin-left:0;padding:20px}.stats-grid{grid-template-columns:1fr 1fr}.campaigns-grid{grid-template-columns:1fr}.form-row{flex-direction:column}}