:root{--bg-app: #f1f5f9;--bg-card: #ffffff;--bg-hover: #f0f4f8;--text-main: #0f172a;--text-secondary: #475569;--text-muted: #8c8c8c;--border: #cbd5e1;--border-light: #e2e8f0;--primary: #0284c7;--primary-hover: #0369a1;--primary-light: #e0f2fe;--success: #16a34a;--success-light: #dcfce7;--danger: #dc2626;--danger-light: #fee2e2;--warning: #d97706;--warning-light: #fef3c7;--info: #2563eb;--info-light: #dbeafe;--radius: 8px;--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, .04);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .07), 0 2px 4px -1px rgba(0, 0, 0, .04);--shadow-lg: 0 10px 25px -5px rgba(0, 0, 0, .1), 0 8px 10px -6px rgba(0, 0, 0, .04);--transition: .2s ease}*{box-sizing:border-box;margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,Noto Sans SC,PingFang SC,Microsoft 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tr:last-child td{border-bottom:none}.btn{display:inline-flex;align-items:center;gap:.4rem;padding:.45rem .9rem;border-radius:6px;font-size:.84rem;font-weight:500;cursor:pointer;border:1px solid transparent;transition:all var(--transition);-webkit-user-select:none;user-select:none;white-space:nowrap}.btn:active{transform:scale(.97)}.btn:disabled{opacity:.5;cursor:not-allowed;pointer-events:none}.btn-primary{background-color:var(--primary);color:#fff;box-shadow:0 1px 2px #0284c733}.btn-primary:hover{background-color:var(--primary-hover);box-shadow:0 2px 4px #0284c74d}.btn-secondary{background-color:#fff;border-color:var(--border);color:var(--text-main)}.btn-secondary:hover{background-color:#f8fafc;border-color:#94a3b8}.btn-danger{background-color:var(--danger);color:#fff;box-shadow:0 1px 2px #dc262633}.btn-danger:hover{background-color:#b91c1c;box-shadow:0 2px 4px #dc26264d}.btn-success{background-color:var(--success);color:#fff}.btn-success:hover{background-color:#15803d}.btn-warning{background-color:var(--warning);color:#fff}.btn-warning:hover{background-color:#b45309}.btn-sm{padding:.3rem .6rem;font-size:.78rem;border-radius:5px}.badge{display:inline-flex;align-items:center;padding:.2rem .55rem;border-radius:4px;font-size:.75rem;font-weight:600;white-space:nowrap}.badge-success{background-color:var(--success-light);color:var(--success)}.badge-danger{background-color:var(--danger-light);color:var(--danger)}.badge-warning{background-color:var(--warning-light);color:var(--warning)}.badge-info{background-color:var(--info-light);color:var(--info)}.badge-neutral{background-color:#f1f5f9;color:#64748b}.toast-msg{animation:fadeSlideIn .3s 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var(--border-light);background-color:#fff;text-align:center}.footer-text{font-size:12px;color:var(--text-muted);letter-spacing:.05em}.topology-container{background-color:#fafcfe;border:1px solid var(--border-light);border-radius:var(--radius);padding:1.5rem;position:relative;overflow-x:auto}.flow-node{border:2px solid var(--border);background-color:#fff;border-radius:10px;padding:.75rem 1rem;display:flex;flex-direction:column;align-items:center;min-width:130px;box-shadow:var(--shadow-sm);transition:all var(--transition)}.flow-node:hover{box-shadow:var(--shadow-md);transform:translateY(-1px)}.flow-node.active{border-color:var(--success);background-color:#f0fdf4}.flow-node.stopped{border-color:var(--border);background-color:#f8fafc}.flow-node.alarm{border-color:var(--danger);background-color:#fef2f2;animation:pulse-danger 1.5s infinite}.loop-gauge{background:#f8fafc;border:1px solid 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#f1f5f9;color:#1e293b}.range-slider{-webkit-appearance:none;-moz-appearance:none;appearance:none;width:100%;height:6px;background:#e2e8f0;border-radius:3px;outline:none}.range-slider::-webkit-slider-thumb{-webkit-appearance:none;-moz-appearance:none;appearance:none;width:18px;height:18px;border-radius:50%;background:var(--primary);cursor:pointer;box-shadow:0 1px 3px #0003;transition:transform .15s ease}.range-slider::-webkit-slider-thumb:hover{transform:scale(1.15)}