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

.loading-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.4);
    z-index: 1999;
}

.loading-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.loading-spinner {
    width: 140px;
    height: 140px;
    padding: 5px 8px 5px 8px;
    background-color: whitesmoke;
    opacity: 0.4;
    border: 2px solid #242424;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 1px 1px 3px #242424, 0 0 1em #7c7c7c, 0 0 0.2em #7c7c7c;
}

.loading-text {
    color: white;
    text-shadow: 1px 1px 3px black, 0 0 1em #242424, 0 0 0.2em #242424;
    margin-top: 10px;
}