.erp-auth-bg {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}
.erp-auth-icon,
.erp-module-icon {
    width: 64px;
    height: 64px;
    border-radius: 20px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}