.memory-card{perspective:1000px}.memory-card-inner{transform-style:preserve-3d;transition:transform .4s ease-in-out}.preserve-3d{transform-style:preserve-3d}.memory-card-inner.flipped{transform:rotateY(180deg)}.memory-card-face{backface-visibility:hidden}.memory-card-front{transform:rotateY(180deg)}.memory-card-back{transform:rotateY(0)}@keyframes cardMatch{0%{transform:rotateY(180deg)scale(1)}50%{transform:rotateY(180deg)scale(1.1)}to{transform:rotateY(180deg)scale(1)}}.memory-card-inner.matched{animation:.3s ease-in-out cardMatch}.memory-card:not(:disabled) .memory-card-back:hover{transform:scale(1.02)}@media (prefers-reduced-motion:reduce){.memory-card-inner{transition:none}.memory-card-inner.flipped{transform:none}.memory-card-back{display:none}.memory-card-front{opacity:0;transform:none}.memory-card-inner.flipped .memory-card-front{opacity:1}.memory-card-inner.flipped .memory-card-back{display:none}}.memory-card:focus-visible{outline:none}.memory-card:focus-visible .memory-card-back{box-shadow:0 0 0 3px #3b82f680}