*{margin:0;padding:0;box-sizing:border-box}html,body,#root{width:100%;height:100%;overflow:hidden;background-color:#111827;font-family:Arial,sans-serif}.game-container{user-select:none;-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none}@keyframes slideIn{0%{opacity:0;transform:translate(20px)}to{opacity:1;transform:translate(0)}}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes pulse{0%,to{transform:scale(1)}50%{transform:scale(1.1)}}@keyframes shake{0%,to{transform:translate(0)}25%{transform:translate(-5px)}75%{transform:translate(5px)}}button{min-height:44px;min-width:44px}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:#1f2937}::-webkit-scrollbar-thumb{background:#4b5563;border-radius:4px}::-webkit-scrollbar-thumb:hover{background:#6b7280}