.payment-processing-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.9);
    z-index: 9999;
    justify-content: center;
    align-items: center;
    flex-direction: column;
}

.payment-processing-overlay.active {
    display: flex;
}

.spinner {
    width: 95px;
    height: 95px;
    border-radius: 75%;
    border: 9px solid #f1f1f1;
    border-top: 9px solid #3498db;
    animation: spin 1s linear infinite;
    margin-bottom: 20px;
}

.processing-text {
    color: #2c3e50;
    font-size: 1.2em;
    text-align: center;
    font-family: Arial, sans-serif;
    margin-top: 15px;
}

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