:root{--bg: #f6f7f9;--surface: #ffffff;--surface-2: #f0f2f5;--border: #e3e6ea;--text: #1a1d21;--text-dim: #6b7280;--primary: #2563eb;--primary-dim: #dbe6fe;--danger: #dc2626;--success: #16a34a;--warn: #d97706;--radius: 10px;--shadow: 0 1px 3px rgba(0, 0, 0, .08), 0 1px 2px rgba(0, 0, 0, .04);--sidebar-w: 232px}@media (prefers-color-scheme: dark){:root{--bg: #0f1216;--surface: #171b21;--surface-2: #1e242c;--border: #2a323c;--text: #e6e9ee;--text-dim: #93a0b0;--primary: #4f8cff;--primary-dim: #1c2a45;--shadow: 0 1px 3px rgba(0, 0, 0, .4)}}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;background:var(--bg);color:var(--text);font-size:14px;-webkit-font-smoothing:antialiased}a{color:var(--primary);text-decoration:none}button{font-family:inherit}.btn{display:inline-flex;align-items:center;gap:6px;padding:7px 13px;border-radius:8px;border:1px solid var(--border);background:var(--surface);color:var(--text);cursor:pointer;font-size:13px;font-weight:500;transition:background .12s,border-color .12s}.btn:hover{background:var(--surface-2)}.btn.primary{background:var(--primary);color:#fff;border-color:var(--primary)}.btn.primary:hover{filter:brightness(1.08)}.btn.danger{color:var(--danger);border-color:transparent}.btn.danger:hover{background:#dc26261a}.btn.sm{padding:4px 9px;font-size:12px}.btn:disabled{opacity:.5;cursor:not-allowed}.btn.ghost{border-color:transparent;background:transparent}.btn.ghost:hover{background:var(--surface-2)}input,select{padding:8px 11px;border:1px solid var(--border);border-radius:8px;background:var(--surface);color:var(--text);font-size:13px;width:100%}input:focus,select:focus{outline:2px solid var(--primary-dim);border-color:var(--primary)}label{font-size:12px;color:var(--text-dim);display:block;margin-bottom:4px;font-weight:500}.field{margin-bottom:12px}.shell{display:grid;grid-template-columns:var(--sidebar-w) 1fr;height:100vh}.sidebar{background:var(--surface);border-right:1px solid var(--border);display:flex;flex-direction:column;padding:14px 10px;gap:2px}.brand{display:flex;align-items:center;gap:9px;padding:6px 10px 16px;font-weight:700;font-size:15px}.brand .logo{width:26px;height:26px;border-radius:7px;background:linear-gradient(135deg,var(--primary),#7c3aed);display:grid;place-items:center;color:#fff;font-size:14px}.navlink{display:flex;align-items:center;gap:10px;padding:8px 11px;border-radius:8px;color:var(--text);cursor:pointer;font-weight:500}.navlink:hover{background:var(--surface-2)}.navlink.active{background:var(--primary-dim);color:var(--primary)}.navlink .ic{width:18px;text-align:center}.sidebar .spacer{flex:1}.quota-mini{padding:10px 11px;font-size:12px;color:var(--text-dim)}.quota-bar{height:6px;border-radius:3px;background:var(--surface-2);overflow:hidden;margin:6px 0 3px}.quota-bar>div{height:100%;background:var(--primary)}.quota-bar.warn>div{background:var(--warn)}.main{overflow:auto;display:flex;flex-direction:column}.topbar{display:flex;align-items:center;gap:12px;padding:12px 22px;border-bottom:1px solid var(--border);background:var(--surface);position:sticky;top:0;z-index:5}.topbar .title{font-weight:600;font-size:15px}.topbar .grow{flex:1}.avatar{width:30px;height:30px;border-radius:50%;background:var(--primary);color:#fff;display:grid;place-items:center;font-size:12px;font-weight:600}.content{padding:20px 22px;flex:1}.breadcrumb{display:flex;align-items:center;gap:4px;flex-wrap:wrap;margin-bottom:14px;font-size:13px}.breadcrumb .crumb{cursor:pointer;padding:3px 7px;border-radius:6px;color:var(--text-dim)}.breadcrumb .crumb:hover{background:var(--surface-2);color:var(--text)}.breadcrumb .crumb.active{color:var(--text);font-weight:600}.breadcrumb .sep{color:var(--text-dim)}.toolbar{display:flex;gap:8px;align-items:center;margin-bottom:14px;flex-wrap:wrap}.toolbar .grow{flex:1}.node-table{width:100%;border-collapse:collapse;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden}.node-table th{text-align:left;font-size:12px;color:var(--text-dim);font-weight:600;padding:10px 14px;border-bottom:1px solid var(--border)}.node-table td{padding:10px 14px;border-bottom:1px solid var(--border)}.node-table tr:last-child td{border-bottom:none}.node-table tbody tr{cursor:pointer}.node-table tbody tr:hover{background:var(--surface-2)}.node-table tr.selected{background:var(--primary-dim)}.node-name{display:flex;align-items:center;gap:10px;font-weight:500}.node-icon{font-size:17px;width:22px;text-align:center}.muted{color:var(--text-dim);font-size:12px}.empty{text-align:center;padding:60px 20px;color:var(--text-dim)}.empty 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var(--border);cursor:pointer;font-size:12px}.pill.on{background:var(--primary);color:#fff;border-color:var(--primary)}.stat-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:12px}.stat{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:14px 16px}.stat .k{font-size:12px;color:var(--text-dim)}.stat .v{font-size:22px;font-weight:700;margin-top:4px}.spinner{width:22px;height:22px;border:2px solid var(--border);border-top-color:var(--primary);border-radius:50%;animation:spin .7s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.row{display:flex;gap:8px;align-items:center}.dropzone{border:2px dashed var(--border);border-radius:var(--radius);padding:26px;text-align:center;color:var(--text-dim)}.dropzone.over{border-color:var(--primary);background:var(--primary-dim)}