:root{--bg: #f3f4f6;--surface: #ffffff;--surface-alt: #f8fafc;--border: #e2e8f0;--text: #0f172a;--muted: #64748b;--primary: #2563eb;--primary-hover: #1d4ed8;--success: #16a34a;--danger: #dc2626;--warning: #d97706;--shadow: 0 8px 24px rgba(15, 23, 42, .08)}*{box-sizing:border-box}body{margin:0;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased}button,input,select,textarea{font:inherit}.app-shell{min-height:100vh;display:flex;flex-direction:column}.topbar{background:var(--surface);border-bottom:1px solid var(--border);padding:12px 20px;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;position:sticky;top:0;z-index:20}.brand{display:flex;align-items:center;gap:10px}.brand-badge{width:34px;height:34px;border-radius:10px;background:linear-gradient(135deg,#f97316,#2563eb);color:#fff;display:grid;place-items:center;font-weight:700;font-size:14px}.brand h1{margin:0;font-size:16px;font-weight:700}.brand p{margin:0;font-size:12px;color:var(--muted)}.nav-tabs{display:flex;gap:6px;background:var(--bg);padding:4px;border-radius:10px}.nav-tab{border:none;background:transparent;padding:7px 12px;border-radius:8px;font-size:13px;font-weight:600;color:var(--muted);cursor:pointer;display:inline-flex;align-items:center;gap:6px}.nav-tab.active{background:var(--surface);color:var(--text);box-shadow:0 1px 3px #0f172a14}.topbar-actions{display:flex;align-items:center;gap:10px}.btn{border:1px solid var(--border);background:var(--surface);color:var(--text);padding:8px 14px;border-radius:8px;font-size:13px;font-weight:600;cursor:pointer;display:inline-flex;align-items:center;gap:6px;transition:.15s ease}.btn:hover:not(:disabled){background:var(--surface-alt)}.btn:disabled{opacity:.6;cursor:not-allowed}.btn-primary{background:var(--primary);border-color:var(--primary);color:#fff}.btn-primary:hover:not(:disabled){background:var(--primary-hover)}.btn-danger{background:#fef2f2;border-color:#fecaca;color:var(--danger)}.pill{display:inline-flex;align-items:center;gap:6px;padding:4px 10px;border-radius:999px;font-size:12px;font-weight:600}.pill-success{background:#dcfce7;color:#166534}.pill-warning{background:#fef3c7;color:#92400e}.pill-danger{background:#fee2e2;color:#991b1b}.pill-neutral{background:#e2e8f0;color:#334155}.workspace{flex:1;display:grid;grid-template-columns:1fr 380px;min-height:calc(100vh - 64px)}@media (max-width: 1080px){.workspace{grid-template-columns:1fr}}.canvas-panel{padding:20px;overflow:auto;background-color:#f1f3f5;background-image:radial-gradient(#cbd5e1 1px,transparent 1px);background-size:20px 20px;display:flex;flex-direction:column;gap:14px}.run-banner{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:10px 14px;display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}.canvas-board{position:relative;width:1080px;height:610px;margin:0 auto;background:#fff9;border:1px solid var(--border);border-radius:16px;box-shadow:var(--shadow);flex-shrink:0}.node-wrapper{position:absolute;transform:translate(-50%,-50%);display:flex;flex-direction:column;align-items:center;width:145px;cursor:pointer;-webkit-user-select:none;user-select:none;z-index:3}.node-circle{width:68px;height:68px;border-radius:50%;display:grid;place-items:center;color:#fff;box-shadow:0 8px 20px #0f172a29;position:relative;transition:transform .15s ease,box-shadow .15s ease;border:3px solid #ffffff}.node-wrapper:hover .node-circle{transform:scale(1.06)}.node-wrapper.selected .node-circle{box-shadow:0 0 0 4px #2563eb59,0 10px 24px #0f172a33}.node-badge-order{position:absolute;top:-4px;right:-4px;width:22px;height:22px;border-radius:50%;background:#fff;color:#0f172a;font-size:11px;font-weight:700;display:grid;place-items:center;border:1px solid #cbd5e1}.node-status-dot{position:absolute;bottom:-4px;left:-4px;width:22px;height:22px;border-radius:50%;background:#fff;display:grid;place-items:center;border:1px solid #cbd5e1}.node-title{margin-top:6px;font-size:12px;font-weight:700;text-align:center;color:var(--text);line-height:1.2;background:#ffffffe6;padding:2px 6px;border-radius:6px}.node-subtitle{margin-top:2px;font-size:11px;color:var(--muted);text-align:center;line-height:1.2;background:#ffffffd9;padding:1px 6px;border-radius:6px}.node-wrapper.standby .node-circle{opacity:.62;border-style:dashed}.node-state-tag{margin-top:3px;font-size:10px;font-weight:700;padding:1px 6px;border-radius:999px;border:1px solid transparent}.node-state-live{background:#dcfce7;color:#166534;border-color:#bbf7d0}.node-state-standby{background:#f1f5f9;color:#475569;border-color:#cbd5e1}.node-state-off{background:#f8fafc;color:#94a3b8;border-color:#e2e8f0}.inspector{background:var(--surface);border-left:1px solid var(--border);padding:20px;overflow-y:auto;display:flex;flex-direction:column;gap:16px}.card{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:18px}.page-container{max-width:1100px;width:100%;margin:24px auto;padding:0 20px;display:flex;flex-direction:column;gap:18px}.grid-2{display:grid;grid-template-columns:repeat(auto-fit,minmax(340px,1fr));gap:16px}.field{display:flex;flex-direction:column;gap:6px;margin-bottom:12px}.field label{font-size:12px;font-weight:600;color:#334155}.field input,.field select,.field textarea{border:1px solid var(--border);border-radius:8px;padding:8px 10px;font-size:13px;background:#fff;color:var(--text);width:100%}.field textarea{min-height:88px;resize:vertical;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:12px}.code-box{background:#0f172a;color:#e2e8f0;border-radius:8px;padding:10px 12px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:12px;overflow-x:auto;white-space:pre-wrap;word-break:break-word;max-height:220px}.table{width:100%;border-collapse:collapse;font-size:13px}.table th,.table td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--border)}.table th{font-size:12px;color:var(--muted);font-weight:600}.toast{position:fixed;bottom:20px;right:20px;background:#0f172a;color:#fff;padding:10px 16px;border-radius:10px;font-size:13px;font-weight:500;box-shadow:var(--shadow);z-index:50}