.loading-container {
    position: relative;
    justify-content: center;
    width: 200px;
    height: 200px;
}

.loading {
    position: absolute;
    width: 100%;
    height: 100%;
    border: 4px solid #3498db;
    border-radius: 50%;
    border-top: 4px solid transparent;
    animation: spin 1s linear infinite;
}

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