body{background-image:url(../fondoTetris.png);background-size:cover;background-position:center;background-repeat:no-repeat;margin:0;padding:0;background-color:#1a1a1a;color:#fff;font-family:Arial,sans-serif;display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:100vh}.game-container{display:flex;flex-direction:column;align-items:center;gap:20px;background-color:#2c2c2c;padding:20px;border-radius:10px;box-shadow:0 4px 10px #00000080}.score-container{display:flex;align-items:center;gap:10px;margin:1rem 0}canvas{background-color:#000;border:3px solid #ffffff;border-radius:5px;box-shadow:0 0 10px #fff3}.score{font-size:24px;font-weight:700;color:gold;background-color:#3a3a3a;padding:10px 20px;border-radius:5px;box-shadow:0 2px 5px #0000004d}.game-title{font-size:36px;font-weight:700;color:#fff;text-shadow:2px 2px 4px rgba(0,0,0,.5);margin-bottom:20px;text-align:center}@media (max-width: 600px){.game-container{padding:10px}.score{font-size:20px;padding:8px 16px}.game-title{font-size:28px}}.modal{position:fixed;top:0;left:0;width:100%;height:100%;background-color:#00000080;display:flex;justify-content:center;align-items:center;z-index:1000;opacity:0;visibility:hidden;transition:opacity .3s ease,visibility .3s ease}.modal:not(.hidden){opacity:1;visibility:visible}.modal-content{background-color:#fff;padding:20px;border-radius:8px;text-align:center;box-shadow:0 4px 8px #0003;max-width:400px;width:80%;transform:scale(.8);transition:transform .3s ease}.modal:not(.hidden) .modal-content{transform:scale(1)}.modal-content h2{color:#d32f2f;margin-bottom:10px}.modal-content p{font-size:18px;margin-bottom:20px}#restart-button,#restart-button1{background-color:#1976d2;color:#fff;border:none;padding:10px 20px;font-size:16px;border-radius:4px;cursor:pointer;transition:background-color .2s}#restart-button:hover,#restart-button1:hover{background-color:#1565c0}