.inputs-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:var(--spacing-md);margin-bottom:var(--spacing-lg)}.math-input input[type=number]::-webkit-inner-spin-button,.math-input input[type=number]::-webkit-outer-spin-button{opacity:1}@keyframes fadeIn{from{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:translateY(0)}}.result-highlight:not([style*=none]),.result-highlight[style*=block]{animation:fadeIn .3s ease-out}@media (max-width:600px){.inputs-grid{grid-template-columns:1fr}}