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8px;border:2px solid #d1d5db;border-radius:4px;cursor:pointer;transition:background .15s ease;box-shadow:0 1px 3px #0000001a}.tree-view-generator .preview-node-content:hover{background:#0000000d}.tree-view-generator .preview-toggle{width:20px;height:20px;display:flex;align-items:center;justify-content:center;font-size:16px;cursor:pointer;-webkit-user-select:none;user-select:none;transition:transform .2s ease}.tree-view-generator .preview-toggle.rotated{transform:rotate(90deg)}.tree-view-generator .preview-toggle-placeholder{width:20px;height:20px}.tree-view-generator .preview-icon{font-size:16px}.tree-view-generator .preview-label{flex:1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.tree-view-generator .preview-checkbox{width:16px;height:16px;cursor:pointer}.tree-view-generator .code-output{border-top:1px solid #e0e0e0;padding-top:20px}.tree-view-generator .code-section{margin-bottom:16px;background:#f8f9fa;border-radius:8px;overflow:hidden}.tree-view-generator .code-header{display:flex;justify-content:space-between;align-items:center;padding:10px 16px;background:#e9ecef}.tree-view-generator .code-header span{font-weight:600;font-size:13px;color:#333}.tree-view-generator .copy-btn{padding:6px 12px;border:none;background:#007bff;color:var(--white);border-radius:4px;cursor:pointer;font-size:12px;transition:background .2s}.tree-view-generator .copy-btn:hover{background:#0056b3}.tree-view-generator .copy-btn.copied{background:#28a745}.tree-view-generator .code-block{margin:0;padding:16px;overflow-x:auto;font-size:13px;line-height:1.5;background:#1e1e1e;color:#d4d4d4;max-height:300px;overflow-y:auto}.control-panel{background-color:#1f2937f2!important;border:2px solid var(--gray-400)!important;border-radius:6px}[data-theme=dark] .control-section{background-color:#1f2937e6!important;border-color:var(--gray-400)!important;border-width:2px}[data-theme=dark] .control-group input,[data-theme=dark] .control-group select,[data-theme=dark] .control-group textarea{background-color:#0f172acc!important;border:2px solid var(--gray-500)!important;color:var(--text-primary)}[data-theme=dark] .control-group label{display:block;color:var(--gray-900);font-size:1rem;margin-bottom:.5rem;font-weight:600;line-height:1.5;letter-spacing:.3px}@media (max-width: 1023px){.tree-view-generator .generator-layout{grid-template-columns:1fr}}@media (max-width: 600px){.tree-view-generator{padding:16px}.tree-view-generator .color-inputs,.tree-view-generator .theme-buttons{grid-template-columns:repeat(2,1fr)}}