.fade-in{animation:fadeIn 0.5s ease-in-out}@keyframes fadeIn{from{opacity:0}to{opacity:1}}.slide-in{animation:slideIn 0.3s ease-out}@keyframes slideIn{from{transform:translateY(10px);opacity:0}to{transform:translateY(0);opacity:1}}.pulse{animation:pulse 2s infinite}@keyframes pulse{0%,100%{opacity:1}50%{opacity:.7}}::-webkit-scrollbar{width:8px}::-webkit-scrollbar-track{background:#f1f1f1;border-radius:4px}::-webkit-scrollbar-thumb{background:#888;border-radius:4px}::-webkit-scrollbar-thumb:hover{background:#555}input[type="number"]::-webkit-inner-spin-button,input[type="number"]::-webkit-outer-spin-button{-webkit-appearance:none;margin:0}.smooth-transition{transition:all 0.3s ease}