.game-grid{display:grid;grid-template-columns:repeat(10,1fr);gap:0}.tile-base{width:100%;padding-top:100%;position:relative;border:1px solid rgba(255,255,255,.08);background:linear-gradient(145deg,#ffffff12,#ffffff05);box-shadow:0 10px 25px #0003;transition:all .2s ease;overflow:hidden;padding:1.75rem 1rem 1rem}.tile-base,button,[role=button]{touch-action:manipulation}.tile-base span{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;font-weight:700;color:#e2e8f0;font-size:1.1rem}.tile-base:hover{transform:translateY(-2px);border-color:#5eead466}.tile-base:focus,.tile-base:focus-visible{outline:none;box-shadow:none}.selected{background:linear-gradient(145deg,#34d399,#10b981);color:#0b172a!important;transform:translateY(-2px) scale(1.02)}.selected span{color:#0b172a!important}.wrong{background:linear-gradient(145deg,#ef4444,#dc2626);color:#0b172a!important;animation:shake .4s}.wrong span{color:#0b172a!important}.flash-correct{background:linear-gradient(145deg,#34d399,#10b981);color:#0b172a!important;box-shadow:0 10px 25px #10b98159}.flash-correct span{color:#0b172a!important}@keyframes shake{0%,to{transform:translate(0)}25%{transform:translate(-4px)}50%{transform:translate(4px)}75%{transform:translate(-2px)}}