.pair-board{display:grid;grid-template-columns:repeat(var(--columns),1fr);gap:10px}.pair-card{aspect-ratio:1;border-radius:25px;background:linear-gradient(145deg,#fffdf1,#ffe8a8);font-size:clamp(2.8rem,12vw,5rem)}.pair-card.selected{outline:5px solid #6a4cc6;outline-offset:-5px;background:#e7deff;transform:translateY(-4px)}.pair-card.matched{background:#9de7b8;animation:pop .6s ease;box-shadow:none}.pair-card.different{animation:shake .35s ease;background:#ffd8dc}.pair-shuffle{display:grid;width:58px;height:58px;place-items:center;margin:16px auto 0;border:0;border-radius:20px;background:#fff;font-size:1.6rem;cursor:pointer;box-shadow:0 4px 0 rgba(45,34,97,.15)}@media(min-width:650px){.pair-card{max-height:180px}.pair-board{max-width:670px;margin:auto}}