/* From Uiverse.io by Smit-Prajapati */
.loader {
    --size: 250px;
    --duration: 2s;
    --logo-color: grey;
    --background: linear-gradient(
        0deg,
        rgba(50, 50, 50, 0.2) 0%,
        rgba(100, 100, 100, 0.2) 100%
    );
    height: var(--size);
    aspect-ratio: 1;
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 9999;
    display: none;
}

.loader .box {
    position: absolute;
    background: rgba(100, 100, 100, 0.15);
    background: var(--background);
    border-radius: 50%;
    border-top: 1px solid rgba(100, 100, 100, 1);
    box-shadow: rgba(0, 0, 0, 0.3) 0px 10px 10px -0px;
    backdrop-filter: blur(5px);
    animation: ripple var(--duration) infinite ease-in-out;
}

.loader .box:nth-child(1) {
    inset: 40%;
    z-index: 99;
}

.loader .box:nth-child(2) {
    inset: 30%;
    z-index: 98;
    border-color: rgba(100, 100, 100, 0.8);
    animation-delay: 0.2s;
}

.loader .box:nth-child(3) {
    inset: 20%;
    z-index: 97;
    border-color: rgba(100, 100, 100, 0.6);
    animation-delay: 0.4s;
}

.loader .box:nth-child(4) {
    inset: 10%;
    z-index: 96;
    border-color: rgba(100, 100, 100, 0.4);
    animation-delay: 0.6s;
}

.loader .box:nth-child(5) {
    inset: 0%;
    z-index: 95;
    border-color: rgba(100, 100, 100, 0.2);
    animation-delay: 0.8s;
}

.loader .logo {
    position: absolute;
    inset: 0;
    display: grid;
    place-content: center;
    padding: 30%;
}

.loader .logo svg {
    fill: var(--logo-color);
    width: 100%;
    animation: color-change var(--duration) infinite ease-in-out;
}

@keyframes ripple {
    0% {
        transform: scale(1);
        box-shadow: rgba(0, 0, 0, 0.3) 0px 10px 10px -0px;
    }
    50% {
        transform: scale(1.3);
        box-shadow: rgba(0, 0, 0, 0.3) 0px 30px 20px -0px;
    }
    100% {
        transform: scale(1);
        box-shadow: rgba(0, 0, 0, 0.3) 0px 10px 10px -0px;
    }
}

@keyframes color-change {
    0% {
        fill: var(--logo-color);
    }
    50% {
        fill: white;
    }
    100% {
        fill: var(--logo-color);
    }
}