#login-loader-overlay {
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: rgba(255,255,255,0.9);
    z-index: 9999;
    display: none;
    text-align: center;
}

.login-loader-message {
    position: absolute;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    font-size: 18px;
    color: #333;
}

.loader {
    border: 4px solid #f3f3f3;
    border-top: 4px solid #e91e63;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    margin: 0 auto 15px;
    animation: spin 1s linear infinite;
}

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