/* Loading Overlay */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: white;
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    transition: opacity 0.3s ease-out;
}

/* 12-blade spinner */
.spinner {
    font-size: 28px;
    position: relative;
    display: inline-block;
    width: 1em;
    height: 1em;
}

.spinner.center {
    position: absolute;
    left: 0;
    right: 0;
    top: 0;
    bottom: 0;
    margin: auto;
}

.spinner .spinner-blade {
    position: absolute;
    left: 0.4629em;
    bottom: 0;
    width: 0.074em;
    height: 0.2777em;
    border-radius: 0.0555em;
    background-color: transparent;
    transform-origin: center -0.2222em;
    animation: spinner-fade9234 1s infinite linear;
}

/* Blade positions */
.spinner .spinner-blade:nth-child(1) { animation-delay: 0s; transform: rotate(0deg); }
.spinner .spinner-blade:nth-child(2) { animation-delay: 0.083s; transform: rotate(30deg); }
.spinner .spinner-blade:nth-child(3) { animation-delay: 0.166s; transform: rotate(60deg); }
.spinner .spinner-blade:nth-child(4) { animation-delay: 0.249s; transform: rotate(90deg); }
.spinner .spinner-blade:nth-child(5) { animation-delay: 0.332s; transform: rotate(120deg); }
.spinner .spinner-blade:nth-child(6) { animation-delay: 0.415s; transform: rotate(150deg); }
.spinner .spinner-blade:nth-child(7) { animation-delay: 0.498s; transform: rotate(180deg); }
.spinner .spinner-blade:nth-child(8) { animation-delay: 0.581s; transform: rotate(210deg); }
.spinner .spinner-blade:nth-child(9) { animation-delay: 0.664s; transform: rotate(240deg); }
.spinner .spinner-blade:nth-child(10) { animation-delay: 0.747s; transform: rotate(270deg); }
.spinner .spinner-blade:nth-child(11) { animation-delay: 0.83s; transform: rotate(300deg); }
.spinner .spinner-blade:nth-child(12) { animation-delay: 0.913s; transform: rotate(330deg); }

@keyframes spinner-fade9234 {
    0% { background-color: #000000; }
    100% { background-color: transparent; }
}