#loading-overlay {
    position: fixed;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    background-color: #2C3E50;
    z-index: 10000;
    opacity: 1;
    transition: opacity 1s ease-out;
}

/* Spinner */
#loading-spinner {
    position: fixed;
    top: calc(50% - 200px);
    left: calc(50% - 150px);
    border: 16px solid #31749f;
    border-top: 16px solid #20a7e0;
    border-radius: 50%;
    width: 300px;
    height: 300px;
    animation: spin 1s linear infinite;
}

#loading-logo{
    position: fixed;
    top: calc(50% - 150px);
    left: calc(50% - 100px);
    background-image: url('../media/icon.png');
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
    width: 200px;
    height: 200px;
}

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

/* Content hidden by default */
#content {
    display: none;
    opacity: 0;
    transition: opacity 1s ease-in;
}