:root {
    box-sizing: border-box;
    --color-arcs-black: #030617;
}
*, *::before, *::after {
    box-sizing: inherit;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
}

body {
    display: flex;
    min-height: 100vh;
    flex-direction: column;
    justify-content: space-between;
    font-family: Helvetica, sans-serif;
}

header {
    background-color: var(--color-arcs-black);
    display: flex;
}

.header-link {
    padding: 1rem;
    text-decoration: none;
}
.header-link,
.header-link:visited {
    color: white;
}
.header-link:hover {
    color: red;
}

.header-space {
    flex: 1;
}

main {
    flex: 1;
}
main:has(.arcs-loader) {
    display: flex;
    align-items: center;
    justify-content: center;
}
.main--padded {
    padding: 1rem;
}
.main--padded-top {
    padding: 1rem 0;
}

[v-cloak] {
    display: none;
}

/* Loading spinner from https://cssloaders.github.io/ */
.arcs-loader {
    transform: rotateZ(45deg);
    perspective: 1000px;
    border-radius: 50%;
    width: 48px;
    height: 48px;
    color: goldenrod;
}
.arcs-loader:before,
.arcs-loader:after {
    content: '';
    display: block;
    position: absolute;
    top: 0;
    left: 0;
    width: inherit;
    height: inherit;
    border-radius: 50%;
    transform: rotateX(70deg);
    animation: 1s spin linear infinite;
}
.arcs-loader:after {
    color: var(--color-arcs-black);
    transform: rotateY(70deg);
    animation-delay: .4s;
}

@keyframes rotate {
    0% {
        transform: translate(-50%, -50%) rotateZ(0deg);
    }
    100% {
        transform: translate(-50%, -50%) rotateZ(360deg);
    }
}

@keyframes rotateccw {
    0% {
        transform: translate(-50%, -50%) rotate(0deg);
    }
    100% {
        transform: translate(-50%, -50%) rotate(-360deg);
    }
}

@keyframes spin {
    0%,
    100% {
        box-shadow: .2em 0 0 0 currentcolor;
    }
    12% {
        box-shadow: .2em .2em 0 0 currentcolor;
    }
    25% {
        box-shadow: 0 .2em 0 0 currentcolor;
    }
    37% {
        box-shadow: -.2em .2em 0 0 currentcolor;
    }
    50% {
        box-shadow: -.2em 0 0 0 currentcolor;
    }
    62% {
        box-shadow: -.2em -.2em 0 0 currentcolor;
    }
    75% {
        box-shadow: 0 -.2em 0 0 currentcolor;
    }
    87% {
        box-shadow: .2em -.2em 0 0 currentcolor;
    }
}

.cards-list,
.sets-list{
    display: flex;
    flex-direction: column;
    gap: 1rem;
}
.cards-list li,
.sets-list li {
    list-style-type: none;
}

.link {
    text-decoration: none;
}
.link,
.link:visited {
    color: blue;
}
.link:hover {
    color: red;
}

.button {
    padding: 0.25rem 0.5rem;
    cursor: pointer;
}

footer {
    padding: 1rem;
    background-color: var(--color-arcs-black);
    display: flex;
    justify-content: center;
    color: white;
}