.submit-btn.loading {
    background-color: var(--primary-dark);
    cursor: wait;
    transform: none !important;
    height: auto !important;
    width: auto !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    padding: 15px !important;
}

.submit-btn .loading-spinner {
    display: none !important;
    position: relative;
    width: 20px;
    height: 20px;
    margin-right: 10px;
    flex-shrink: 0;
}

.submit-btn.loading .loading-spinner {
    display: block !important;
}

.submit-btn.loading .loading-spinner::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    border: 2px solid transparent;
    border-top-color: white;
    animation: spin 0.8s linear infinite;
    box-sizing: border-box;
}

.submit-btn.loading span {
    display: inline-block;
}

.submit-btn.loading i.fa-arrow-right {
    display: none;
}

.submit-btn {
    min-height: 50px;
    max-height: 50px;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.submit-btn span, 
.submit-btn i,
.submit-btn .loading-spinner {
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

@keyframes spin {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
}