*,*:before,*:after{box-sizing:border-box}*:not(svg *){margin:0;padding:0}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background-color:#f5f5f5;color:#333;line-height:1.6}svg{line-height:normal}.app{max-width:1200px;margin:0 auto;padding:2rem}.app-header{text-align:center;margin-bottom:3rem}.app-header h1{font-size:2.5rem;font-weight:600;color:#1a1a1a;margin-bottom:.5rem}.app-header p{font-size:1.1rem;color:#666}.nav{display:flex;flex-wrap:wrap;gap:.5rem;justify-content:center;margin-bottom:2rem;padding:1rem;background:#fff;border-radius:8px;box-shadow:0 1px 3px #0000001a}.nav-button{padding:.5rem 1rem;border:1px solid #ddd;background:#fff;border-radius:6px;cursor:pointer;font-size:.9rem;font-family:inherit;transition:all .2s}.nav-button:hover{background:#f0f0f0;border-color:#ccc}.nav-button.active{background:#5c6bc0;color:#fff;border-color:#5c6bc0}.example{background:#fff;border-radius:12px;padding:1.5rem;box-shadow:0 2px 8px #00000014}.example-header{margin-bottom:1rem}.example-header h2{font-size:1.5rem;font-weight:600;color:#1a1a1a;margin-bottom:.25rem}.example-header p{color:#666;font-size:.95rem}.controls{display:flex;flex-wrap:wrap;gap:.5rem;margin-bottom:1rem;padding:1rem;background:#f9f9f9;border-radius:8px}.control-button{padding:.5rem 1rem;border:1px solid #ddd;background:#fff;border-radius:6px;cursor:pointer;font-size:.85rem;font-family:inherit;transition:all .2s}.control-button:hover,.control-button.active{background:#5c6bc0;color:#fff;border-color:#5c6bc0}.tree-container{border:1px solid #e0e0e0;border-radius:8px;overflow:hidden;background:#fafafa;max-width:800px;margin:0 auto}