@keyframes float-up{0%{transform:translateY(10px) scale(1);opacity:0}10%{opacity:1}50%{opacity:1}70%{opacity:.8}85%{opacity:.4}95%{opacity:.1}to{transform:translateY(-80vh) scale(1.5);opacity:0}}.reaction-float{animation:float-up 6s ease-out forwards;pointer-events:none;user-select:none;will-change:transform,opacity}