/* admin-invoice.css */
.sb-disabled-button {
    pointer-events: none;
    opacity: 0.6;
    cursor: not-allowed;
}

.sb-loading {
    position: relative;
}

.sb-loading::after {
    content: '';
    position: absolute;
    right: 8px;
    top: 50%;
    transform: translateY(-50%);
    width: 12px;
    height: 12px;
    border: 2px solid #f3f3f3;
    border-top: 2px solid #3498db;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: translateY(-50%) rotate(0deg); }
    100% { transform: translateY(-50%) rotate(360deg); }
}

.sb-invoice-notification {
    position: fixed;
    top: 20px;
    right: 20px;
    padding: 10px 15px;
    border-radius: 4px;
    color: white;
    z-index: 9999;
}

.sb-invoice-notification.success {
    background-color: #4CAF50;
}

.sb-invoice-notification.error {
    background-color: #F44336;
}