:root{--primary-navy:#1c2d56;--primary-navy-dark:#152242;--primary-navy-light:#e0f2fe;--rank-gdkd:#95262f;--rank-tpkd:#d97706;--rank-cvcc:#1c2d56;--rank-ctv:#475569;--accent-gold:#f4b331;--accent-green:#10b981;--bg-canvas:#f8fafc;--card-bg:#fff;--text-main:#0f172a;--text-muted:#64748b;--border-color:#cbd5e1;--node-shadow:0 4px 14px rgba(15,23,42,.08);--node-hover-shadow:0 10px 25px rgba(28,45,86,.18)}.tree-viewport{width:100%;height:720px;overflow:hidden;position:relative;cursor:grab;background:radial-gradient(#cbd5e1 1.2px,transparent 0);background-size:24px 24px;border-radius:12px;-webkit-user-select:none;-moz-user-select:none;user-select:none}.tree-viewport.panning{cursor:grabbing}.tree-canvas{transform-origin:0 0;transition:transform .05s ease-out;will-change:transform}.tree-canvas,.tree-svg-layer{position:absolute;top:0;left:0}.tree-svg-layer{overflow:visible!important;pointer-events:none;z-index:1}.tree-connector-line{fill:none;stroke:#0284c7;stroke-width:2.5px;stroke-linecap:round;stroke-linejoin:round;transition:stroke .2s,stroke-width .2s,filter .2s;filter:drop-shadow(0 2px 4px rgba(2,132,199,.2))}.tree-connector-line.highlight{stroke:#1c2d56!important;stroke-width:3.5px!important;filter:drop-shadow(0 3px 8px rgba(28,45,86,.45))!important}.tree-connector-dot{fill:#0284c7;transition:fill .2s,r .2s}.tree-connector-dot.highlight{fill:#1c2d56;r:5.5px}.tree-nodes-layer{position:absolute;top:0;left:0;z-index:2}.tree-node-card{position:absolute;width:250px;background:#fff;border-radius:12px;border:1.5px solid #cbd5e1;box-shadow:var(--node-shadow);cursor:pointer;transition:transform .2s cubic-bezier(.34,1.56,.64,1),box-shadow .2s,border-color .2s;display:flex;flex-direction:column;overflow:visible;-webkit-user-select:none;-moz-user-select:none;user-select:none}.tree-node-card:hover{transform:translateY(-4px);box-shadow:var(--node-hover-shadow);z-index:10}.tree-node-card.card-rank-gdkd{border-top:4px solid var(--rank-gdkd)}.tree-node-card.card-rank-tpkd{border-top:4px solid var(--rank-tpkd)}.tree-node-card.card-rank-cvcc{border-top:4px solid var(--rank-cvcc)}.tree-node-card.card-rank-ctv{border-top:4px solid #059669}.tree-node-card.card-rank-user{border-top:4px solid #64748b}.tree-node-card.card-is-test{border:2px dashed #f59e0b!important;box-shadow:0 4px 15px rgba(245,158,11,.2)!important}.tree-node-card.focused-node{border-color:#f59e0b!important;box-shadow:0 0 0 4px rgba(245,158,11,.35),0 10px 25px rgba(245,158,11,.2)!important;animation:pulse-glow 2s infinite;z-index:20}@keyframes pulse-glow{0%{box-shadow:0 0 0 2px rgba(245,158,11,.5)}50%{box-shadow:0 0 0 8px rgba(245,158,11,0)}to{box-shadow:0 0 0 2px rgba(245,158,11,.5)}}.tree-node-card.root-card{width:290px;border:2px solid var(--primary-navy);border-top:4px solid var(--rank-gdkd);background:linear-gradient(180deg,#fff,#f0f7ff);box-shadow:0 8px 24px rgba(28,45,86,.16)}.node-header{padding:10px 14px 6px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid #f1f5f9}.root-card .node-header{background:var(--primary-navy);color:#fff;border-radius:8px 8px 0 0;padding:10px 14px}.node-level-tag{font-size:11px;font-weight:700;color:var(--primary-navy);background:#e0f2fe;padding:2px 7px;border-radius:12px}.root-card .node-level-tag{background:#f59e0b;color:#fff}.rank-badge{font-size:10.5px;font-weight:800;padding:2px 8px;border-radius:10px;display:inline-flex;align-items:center;gap:3px;letter-spacing:.2px}.rank-badge-gdkd{background:#95262f;color:#fff}.rank-badge-tpkd{background:#d97706;color:#fff}.rank-badge-cvcc{background:#1c2d56;color:#fff}.rank-badge-ctv{background:#059669;color:#fff}.rank-badge-user{background:#64748b;color:#fff}.test-pill{font-size:9px;font-weight:800;background:#fef3c7;color:#b45309;border:1px solid #fcd34d;padding:1px 5px;border-radius:8px;margin-left:4px}.node-status-dot{width:8px;height:8px;border-radius:50%;background:#10b981}.node-body{padding:11px 14px;display:flex;flex-direction:column;gap:5px}.node-name{font-size:13.5px;font-weight:800;color:#0f172a;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.root-card .node-name{font-size:14.5px;color:var(--primary-navy)}.node-custno{font-size:11.5px;color:var(--text-muted);font-weight:600;gap:5px}.node-custno,.node-ref-box{display:flex;align-items:center}.node-ref-box{justify-content:space-between;background:#f8fafc;border:1px dashed #cbd5e1;padding:3.5px 8px;border-radius:6px;font-size:11px;margin-top:3px}.node-ref-text{font-weight:700;color:var(--primary-navy)}.node-copy-btn{background:none;border:none;color:#64748b;cursor:pointer;padding:2px 4px;border-radius:4px;font-size:10.5px;font-weight:600;transition:all .15s}.node-copy-btn:hover{background:#e2e8f0;color:var(--primary-navy)}.node-footer{padding:6px 14px 12px;display:flex;align-items:center;justify-content:space-between;font-size:11.5px;color:var(--text-muted)}.f1-badge{background:#f1f5f9;border:1px solid #e2e8f0;color:#334155;font-weight:700;padding:2px 8px;border-radius:12px;display:inline-flex;align-items:center;gap:4px;font-size:11px}.f1-badge.has-f1{background:#eff6ff;border-color:#bfdbfe;color:#1d4ed8}.collapse-toggle-btn{position:absolute;bottom:-13px;left:50%;transform:translateX(-50%);width:26px;height:26px;border-radius:50%;background:#fff;border:2px solid var(--primary-navy);color:var(--primary-navy);font-size:14px;font-weight:800;display:flex;align-items:center;justify-content:center;cursor:pointer;box-shadow:0 2px 6px rgba(0,0,0,.15);transition:all .15s;z-index:15}.collapse-toggle-btn:hover{background:var(--primary-navy);color:#fff;transform:translateX(-50%) scale(1.15)}.tree-toolbar{position:absolute;bottom:20px;left:50%;transform:translateX(-50%);background:hsla(0,0%,100%,.95);backdrop-filter:blur(10px);border:1px solid rgba(203,213,225,.8);border-radius:30px;box-shadow:0 10px 30px rgba(0,0,0,.12);padding:6px 12px;gap:6px;z-index:30}.tool-btn,.tree-toolbar{display:flex;align-items:center}.tool-btn{width:34px;height:34px;border-radius:50%;border:1px solid #e2e8f0;background:#fff;color:#334155;justify-content:center;cursor:pointer;font-size:14px;font-weight:700;transition:all .15s}.tool-btn:hover{background:#f1f5f9;color:var(--primary-navy);transform:scale(1.08)}.tool-divider{width:1px;height:18px;background:#cbd5e1;margin:0 4px}.zoom-level-text{font-size:11.5px;font-weight:700;color:#475569;min-width:44px;text-align:center}.tree-stat-pill{display:inline-flex;align-items:center;gap:6px;background-color:#fff;border:1.5px solid #dbe3ed;border-radius:9px;padding:4px 14px;box-shadow:0 1px 3px rgba(15,23,42,.04);-webkit-user-select:none;-moz-user-select:none;user-select:none;transition:all .2s ease}.tree-stat-pill:hover{border-color:#cbd5e1;background-color:#f8fafc;box-shadow:0 2px 6px rgba(15,23,42,.07)}.tree-stat-label{font-size:13px;font-weight:600;color:#334155;letter-spacing:-.01em}.tree-stat-value{font-size:14.5px;font-weight:800;color:#0d3c7a;letter-spacing:-.02em}