:root{color:#1f2937;background:radial-gradient(circle at 20% 20%,#fef3c7,#bfdbfe 55%,#fbcfe8);font-family:Trebuchet MS,Segoe UI,sans-serif}*{box-sizing:border-box}body{min-height:100vh;margin:0}.layout{max-width:1100px;margin:0 auto;padding:2rem 1rem 3rem}header{margin-bottom:1.25rem}h1{margin:0;font-size:clamp(1.8rem,4vw,2.8rem)}p{margin:.5rem 0 0}.games-grid{grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:1rem;display:grid}.game-card{background:#ffffffdb;border:1px solid #11182714;border-radius:14px;padding:1rem;box-shadow:0 12px 26px #11182714}.row{gap:.5rem;margin-top:.75rem;display:flex}input,button{font:inherit}input{border:1px solid #94a3b8;border-radius:8px;width:96px;padding:.45rem .5rem}button{cursor:pointer;color:#fff;background:#2563eb;border:none;border-radius:8px;padding:.45rem .65rem}button.secondary{background:#334155}.board{grid-template-columns:repeat(3,58px);gap:.35rem;margin:.75rem 0;display:grid}.cell{width:58px;height:58px;font-size:1.15rem;font-weight:700}.memory-grid{grid-template-columns:repeat(4,minmax(42px,1fr));gap:.35rem;margin:.75rem 0;display:grid}.memory-cell{min-height:44px;font-weight:700}.snake-card{grid-column:1/-1}.snake-stats{margin-top:.25rem;font-weight:700}.snake-board{background:linear-gradient(#0f172a,#1e293b);border-radius:12px;grid-template-columns:repeat(14,minmax(14px,1fr));gap:3px;width:min(100%,460px);margin:.85rem 0;padding:8px;display:grid}.snake-tile{aspect-ratio:1;background:#334155;border-radius:3px}.snake-tile.is-snake{background:#22c55e}.snake-tile.is-head{background:#86efac}.snake-tile.is-food{background:#f97316;box-shadow:inset 0 0 0 1px #ffffff4d}.snake-controls{flex-direction:column;gap:.35rem;width:fit-content;margin-bottom:.75rem;display:flex}.snake-row{gap:.35rem;display:flex}@media (width<=640px){.snake-board,.snake-controls{width:100%}.snake-controls button{flex:1}}