/* Spin animation for loading states */
@keyframes spin {
    to { transform: rotate(360deg); }
}
.fa-spin {
    animation: spin 1s linear infinite;
}

/* Number input: hide browser arrows */
input[type=number]::-webkit-inner-spin-button,
input[type=number]::-webkit-outer-spin-button {
    -webkit-appearance: none;
    margin: 0;
}
input[type=number] {
    -moz-appearance: textfield;
}

/* Score cell highlight on focus */
.score-input:focus {
    background-color: #fff7ed;
}