@import"https://fonts.googleapis.com/css2?family=Poppins:wght@600;800&display=swap";body{margin:0;font-family:Poppins,sans-serif;background-color:#0f172a;color:#f8fafc;display:flex;justify-content:center;align-items:center;min-height:100vh}.memory-container{display:flex;flex-direction:column;align-items:center;gap:2rem;padding:2rem}.header h1{margin:0;font-size:3rem;background:linear-gradient(135deg,#38bdf8,#818cf8);-webkit-background-clip:text;color:transparent;text-align:center}.stats{text-align:center;font-size:1.2rem;color:#94a3b8}.board{display:grid;grid-template-columns:repeat(4,100px);gap:15px;perspective:1000px}.card{width:100px;height:100px;cursor:pointer;perspective:1000px}.card-inner{position:relative;width:100%;height:100%;transition:transform .6s cubic-bezier(.4,.2,.2,1);transform-style:preserve-3d}.card.flipped .card-inner{transform:rotateY(180deg)}.card-front,.card-back{position:absolute;width:100%;height:100%;backface-visibility:hidden;display:flex;align-items:center;justify-content:center;font-size:2.5rem;font-weight:800;border-radius:12px;box-shadow:0 4px 10px #0000004d;-webkit-user-select:none;user-select:none}.card-back{background:linear-gradient(135deg,#475569,#1e293b);border:2px solid #64748b;color:#94a3b8}.card-front{background:#f8fafc;color:#3b82f6;border:2px solid #3b82f6;transform:rotateY(180deg)}.card-front[style*=isMatched]{background:#4ade80}.restart-btn{background:linear-gradient(135deg,#3b82f6,#6366f1);border:none;color:#fff;padding:1rem 2rem;font-size:1.1rem;font-family:inherit;font-weight:700;border-radius:50px;cursor:pointer;transition:transform .2s,box-shadow .2s;box-shadow:0 4px 15px #3b82f666}.restart-btn:hover{transform:translateY(-2px);box-shadow:0 6px 20px #3b82f699}.victory-message h2{color:#4ade80;animation:bounce 1s infinite}@keyframes bounce{0%,to{transform:translateY(0)}50%{transform:translateY(-10px)}}@media(max-width:500px){.board{grid-template-columns:repeat(3,90px)}}:root{font-family:system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color-scheme:light dark;color:#ffffffde;background-color:#242424;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{font-weight:500;color:#646cff;text-decoration:inherit}a:hover{color:#535bf2}body{margin:0;display:flex;place-items:center;min-width:320px;min-height:100vh}h1{font-size:3.2em;line-height:1.1}button{border-radius:8px;border:1px solid transparent;padding:.6em 1.2em;font-size:1em;font-weight:500;font-family:inherit;background-color:#1a1a1a;cursor:pointer;transition:border-color .25s}button:hover{border-color:#646cff}button:focus,button:focus-visible{outline:4px auto -webkit-focus-ring-color}@media(prefers-color-scheme:light){:root{color:#213547;background-color:#fff}a:hover{color:#747bff}button{background-color:#f9f9f9}}