:root{--color-primary: #3b82f6;--color-primary-dark: #2563eb;--color-secondary: #10b981;--color-danger: #ef4444;--color-warning: #f59e0b;--color-bg: #f8fafc;--color-surface: #ffffff;--color-border: #e2e8f0;--color-text: #1e293b;--color-text-secondary: #64748b;--node-sensor: #22c55e;--node-controller: #3b82f6;--node-condition: #f59e0b;--node-action: #8b5cf6;--node-notification: #ec4899;--node-cloud: #06b6d4;--node-timer: #6366f1;--spacing-xs: 4px;--spacing-sm: 8px;--spacing-md: 16px;--spacing-lg: 24px;--spacing-xl: 32px;--radius-sm: 4px;--radius-md: 8px;--radius-lg: 12px;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .1);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .1);--font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--font-mono: "Fira Code", "Consolas", monospace}[data-theme=dark]{--color-primary: #60a5fa;--color-primary-dark: #3b82f6;--color-secondary: #34d399;--color-danger: #f87171;--color-warning: #fbbf24;--color-bg: #0f172a;--color-surface: #1e293b;--color-border: #334155;--color-text: #f1f5f9;--color-text-secondary: #94a3b8;--node-sensor: #4ade80;--node-controller: #60a5fa;--node-condition: #fbbf24;--node-action: #a78bfa;--node-notification: #f472b6;--node-cloud: #22d3ee;--node-timer: #818cf8;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .3);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .4);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .5)}@media (prefers-color-scheme: dark){[data-theme=auto]{--color-primary: #60a5fa;--color-primary-dark: #3b82f6;--color-secondary: #34d399;--color-danger: #f87171;--color-warning: #fbbf24;--color-bg: #0f172a;--color-surface: #1e293b;--color-border: #334155;--color-text: #f1f5f9;--color-text-secondary: #94a3b8;--node-sensor: #4ade80;--node-controller: #60a5fa;--node-condition: #fbbf24;--node-action: #a78bfa;--node-notification: #f472b6;--node-cloud: #22d3ee;--node-timer: #818cf8;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .3);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .4);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .5)}}*{box-sizing:border-box;margin:0;padding:0}html,body{height:100%;font-family:var(--font-sans);font-size:14px;line-height:1.5;color:var(--color-text);background:var(--color-bg)}.flex{display:flex}.flex-col{flex-direction:column}.items-center{align-items:center}.justify-between{justify-content:space-between}.gap-sm{gap:var(--spacing-sm)}.gap-md{gap:var(--spacing-md)}.text-sm{font-size:12px}.text-secondary{color:var(--color-text-secondary)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--spacing-sm);padding:var(--spacing-sm) var(--spacing-md);border:none;border-radius:var(--radius-md);font-size:14px;font-weight:500;cursor:pointer;transition:all .2s}.btn-primary{background:var(--color-primary);color:#fff}.btn-primary:hover{background:var(--color-primary-dark)}.btn-secondary{background:var(--color-surface);color:var(--color-text);border:1px solid var(--color-border)}.btn-secondary:hover{background:var(--color-bg)}.card{background:var(--color-surface);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);border:1px solid var(--color-border)}input,select,textarea{padding:var(--spacing-sm) var(--spacing-md);border:1px solid var(--color-border);border-radius:var(--radius-md);font-size:14px;transition:border-color .2s}input:focus,select:focus,textarea:focus{outline:none;border-color:var(--color-primary)}.drawflow{background:var(--color-bg)}.drawflow .drawflow-node{background:var(--color-surface);border:2px solid var(--color-border);border-radius:var(--radius-lg);box-shadow:var(--shadow-md);min-width:160px}.drawflow .drawflow-node.selected{border-color:var(--color-primary);box-shadow:0 0 0 3px #3b82f633}.drawflow .drawflow-node .inputs,.drawflow .drawflow-node .outputs{display:flex;align-items:center}.drawflow .drawflow-node .input,.drawflow .drawflow-node .output{width:14px;height:14px;background:var(--color-primary);border:2px solid var(--color-surface);border-radius:50%}.drawflow .connection .main-path{stroke:var(--color-primary);stroke-width:3px}.drawflow .drawflow-node.sensor-node{border-color:var(--node-sensor)}.drawflow .drawflow-node.controller-node{border-color:var(--node-controller)}.drawflow .drawflow-node.condition-node{border-color:var(--node-condition)}.drawflow .drawflow-node.action-node{border-color:var(--node-action)}.drawflow .drawflow-node.notification-node{border-color:var(--node-notification)}.drawflow .drawflow-node.cloud-node{border-color:var(--node-cloud)}.drawflow .drawflow-node.timer-node{border-color:var(--node-timer)}.drawflow .drawflow-node.multi-selected,.drawflow .drawflow-node.selected{border-top-color:#3b82f6!important;border-right-color:#3b82f6!important;border-bottom-color:#3b82f6!important;box-shadow:0 0 0 3px #3b82f633!important}