.login-submit-btn {
    gap: 8px;
}

.login-submit-btn .btn-spinner {
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255, 255, 255, 0.4);
    border-top-color: #ffffff;
    border-radius: 999px;
    display: none;
    animation: spin 0.8s linear infinite;
}

.login-submit-btn.is-loading .btn-spinner {
    display: inline-block;
}

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