input[type=range]{-webkit-appearance:none;-moz-appearance:none;appearance:none}input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;appearance:none;width:20px;height:20px;border-radius:50%;background:#007bff;cursor:pointer;border:2px solid white;box-shadow:0 2px 6px rgba(0,123,255,.3)}input[type=range]::-moz-range-thumb{width:20px;height:20px;border-radius:50%;background:#007bff;cursor:pointer;border:2px solid white;box-shadow:0 2px 6px rgba(0,123,255,.3)}@keyframes spin{0%{transform:rotate(0deg)}to{transform:rotate(1turn)}}.loading-spinner{animation:spin 1s linear infinite}.score-button{transition:all .15s ease}.score-button:hover{transform:translateY(-1px);box-shadow:0 4px 12px rgba(0,0,0,.15)}.score-button:active{transform:translateY(0)}.progress-bar{transition:width .3s ease}*{box-sizing:border-box}button{font-family:inherit}