.btn-gold {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

    .btn-gold:disabled {
        opacity: 0.7;
        cursor: not-allowed;
        pointer-events: none;
    }

.btn-loader {
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255, 255, 255, 0.45);
    border-top-color: #fff;
    border-radius: 50%;
    display: none;
    animation: spin 0.8s linear infinite;
}

.btn-gold.loading .btn-loader {
    display: inline-block;
}

.btn-gold.loading #submitArrow {
    display: none;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}