body{margin:0;font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideIn{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}::-webkit-scrollbar{width:8px}::-webkit-scrollbar-track{background:#f1f1f1;border-radius:4px}::-webkit-scrollbar-thumb{background:#c1c1c1;border-radius:4px}::-webkit-scrollbar-thumb:hover{background:#a8a8a8}@media (max-width: 768px){.demo-layout{grid-template-columns:1fr!important;gap:15px!important}.header h1{font-size:2em!important}.header p{font-size:1.1em!important}}