body{font-family:Arial,sans-serif;display:flex;justify-content:center;align-items:center;height:100vh;background-color:#faf8ef}.game-container{text-align:center}.board{display:flex;flex-direction:column;margin:20px auto}.row{display:flex}.tile{width:80px;height:80px;margin:5px;background-color:#ccc;display:flex;justify-content:center;align-items:center;font-size:24px;font-weight:700;border-radius:5px}.tile-2{background-color:#eee4da}.tile-4{background-color:#ede0c8}.tile-8{background-color:#f2b179}.tile-16{background-color:#f59563}.tile-32,.tile-64{background-color:#f67c5f}.tile-128,.tile-256,.tile-512,.tile-1024,.tile-2048,.tile-4096,.tile-8192,.tile-16384,.tile-32768,.tile-65536,.tile-131072,.tile-262144,.tile-524288,.tile-1048576,.tile-2097152{background-color:#f9f3d3}.game-over{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);font-size:36px;color:red}.btn-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.btn{padding:10px 20px;font-size:16px;background-color:#43474b;color:#fff;border:none;border-radius:5px;cursor:pointer}.restart-btn{margin-top:20px;padding:10px 20px;background-color:#4caf50;color:#fff;border:none;cursor:pointer;font-size:16px}.restart-btn:hover{background-color:#45a049}*{margin:0;padding:0;box-sizing:border-box;font-family:Arial,sans-serif}body{background:linear-gradient(135deg,#4b6971,#c0cfd5,#a2d6b6);min-height:100vh;display:flex;flex-direction:column;justify-content:center;align-items:center;color:#fff;overflow:hidden}.header{text-align:center;margin-bottom:40px}.title{font-size:3rem;font-weight:700;animation:fadeIn 2s ease-in-out}.game-links{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;animation:fadeInUp 1.5s ease-in-out}.game-link{text-decoration:none;padding:80px;background:#ffffff1a;border-radius:8px;text-align:center;transition:transform .3s ease,background-color .3s ease;box-shadow:0 4px 12px #0003}.game-link h3{font-size:1.5rem;margin:0}.game-link:hover{transform:translateY(-10px);background-color:#ffffff4d}.footer{position:absolute;bottom:20px;text-align:center;font-size:.9rem;opacity:.7;animation:fadeInUp 2s ease-in-out 1s}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes fadeInUp{0%{opacity:0;transform:translateY(50px)}to{opacity:1;transform:translateY(0)}}@media (max-width: 768px){.game-links{grid-template-columns:1fr}.game-link h3{font-size:1.25rem}.title{font-size:2.5rem}}@media (max-width: 480px){.game-link{padding:15px}.title{font-size:2rem}}