/* Global stylesheet */
* {
    box-sizing: border-box;
}

html,
body {
    padding: 0;
    margin: 0 auto;
    font-family: var(--font-family);
    color: var(--text-colour);
    background-color: var(--background-colour);
}

p:last-child {
    margin-bottom: 0;
}
p {
    line-height: 1.5;
}

li {
    line-height: 1.5;
}

a {
    color: var(--text-colour-link);
}

.fat-hover-link[href] {
    color: var(--text-colour-header);
    text-decoration: unset;
    background-image: linear-gradient(
        120deg,
        var(--hover-link-background-colour),
        var(--hover-link-background-colour)
    );
    background-size: 100% 0.05em;
    background-position: 0 90%;
    background-repeat: no-repeat;
    transition:
        background-size 0.1s ease-in,
        color 0.1s ease-in;
}
.fat-hover-link[href]:hover,
.fat-hover-link[href]:active,
.fat-hover-link[href]:focus {
    background-size: 100% 100%;
    color: var(--hover-link-text-colour);
    text-decoration: unset;
}

header:after {
    content: "";
    display: table;
    clear: both;
}

.links-nextprev {
    display: flex;
    list-style: none;
    border-top: 2px solid var(--border-colour);
    padding: 1em 0;
}
.links-nextprev a {
    font-weight: 500;
}
.links-nextprev a:last-of-type {
    margin: 0 0 0 auto;
}

table {
    margin: 1em 0;
}
table td,
table th {
    padding-right: 1em;
}

pre,
code {
    font-family: var(--font-family-monospace);
}
pre:not([class*="language-"]) {
    margin: 0.5em 0;
    line-height: 1.375; /* 22px /16 */
    -moz-tab-size: var(--syntax-tab-size);
    -o-tab-size: var(--syntax-tab-size);
    tab-size: var(--syntax-tab-size);
    -webkit-hyphens: none;
    -ms-hyphens: none;
    hyphens: none;
    direction: ltr;
    text-align: left;
    white-space: pre;
    word-spacing: normal;
    word-break: normal;
}
code {
    word-break: break-all;
}

header {
    display: flex;
    justify-content: center;
    background-color: var(--header-colour);
}
.header-content {
    display: flex;
    flex-direction: column;
    width: 100%;
    margin: 8vw;
    max-width: 900px;
}

footer {
    display: flex;
    justify-content: center;
    font-size: clamp(0.875rem, 0.8185rem + 0.3226vw, 1rem);
    font-weight: 500;
    margin: 12vw 8vw 6vw 8vw;

    & p {
        font-size: clamp(0.875rem, 0.8185rem + 0.3226vw, 1rem);
        font-weight: 500;
        margin: 0;
        line-height: 1.5;
        color: var(--subtle-text-colour);
    }
}
.footer-content {
    max-width: 900px;
    display: flex;
    align-items: center;
    width: 100%;
}
.footer-links {
    display: flex;
    gap: 0.75rem;
    margin: 0 0 0 auto;

    & a {
        display: flex;
        align-items: center;
        justify-content: center;
        padding: 0.5rem;
        border-radius: 50%;
        background-color: transparent;
        border: 2px solid transparent;
        transition:
            background-color 0.25s ease,
            border-color 0.25s ease,
            transform 0.25s ease;

        & svg {
            width: 2rem;
            height: 2rem;
            fill: var(--icon-fill-colour);
            transition: fill 0.25s ease;
        }

        &:hover,
        &:focus-visible {
            transform: translateY(-3px);
            border-color: var(--colour-black);
        }
    }

    & a:nth-child(1):hover,
    & a:nth-child(1):focus-visible {
        background-color: var(--colour-purple);

        & svg {
            fill: var(--icon-fill-colour);
        }
    }
    & a:nth-child(2):hover,
    & a:nth-child(2):focus-visible {
        background-color: var(--colour-orange);

        & svg {
            fill: var(--icon-fill-colour);
        }
    }
    & a:nth-child(3):hover,
    & a:nth-child(3):focus-visible {
        background-color: rgb(15, 115, 255);

        & svg {
            fill: var(--colour-white);
        }
    }
    & a:nth-child(4):hover,
    & a:nth-child(4):focus-visible {
        background-color: var(--colour-black);

        & svg {
            fill: var(--colour-white);
        }
    }
    & a:nth-child(5):hover,
    & a:nth-child(5):focus-visible {
        background-color: rgb(10, 102, 194);

        & svg {
            fill: var(--colour-white);
        }
    }
}

@media (max-width: 768px) {
    .footer-content {
        flex-direction: column;
        gap: 1.5rem;
    }
    .footer-links {
        margin: 0 auto;
    }
}

.postlist {
    padding: 0;
    margin: 0;
    display: grid;
    gap: clamp(1.88rem, 1.32rem + 3.2vw, 3.12rem);
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}
.postlist-item {
    display: flex;
    flex-direction: column;
    padding: clamp(1.25rem, 0.6855rem + 3.2258vw, 2.5rem);
    border: 2px solid var(--colour-black);
    text-decoration: unset;
    transition: box-shadow 0.1s ease-out;
}
.postlist-item:hover,
.postlist-item:focus {
    text-decoration: none;
}
.postlist-item:nth-child(4n-7) {
    background-color: var(--colour-green);
    box-shadow: 10px 10px 0px 0px var(--postlist-item-background-one-colour);

    &:hover,
    &:focus {
        box-shadow: none;
    }
}
.postlist-item:nth-child(4n-6) {
    background-color: var(--colour-purple);
    box-shadow: 10px 10px 0px 0px var(--postlist-item-background-two-colour);

    &:hover,
    &:focus {
        box-shadow: none;
    }
}
.postlist-item:nth-child(4n-5) {
    background-color: var(--colour-blue);
    box-shadow: 10px 10px 0px 0px var(--postlist-item-background-three-colour);

    &:hover,
    &:focus {
        box-shadow: none;
    }
}
.postlist-item:nth-child(4n-4) {
    background-color: var(--colour-red);
    box-shadow: 10px 10px 0px 0px var(--postlist-item-background-four-colour);

    &:hover,
    &:focus {
        box-shadow: none;
    }
}
.post-title {
    display: -webkit-box;
    line-clamp: 2;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    font-size: clamp(1rem, 0.6048rem + 2.2581vw, 1.875rem);
    font-weight: 500;
    margin: 0;
}
.post-date {
    margin: 1.25rem 0 0 auto;
    font-weight: 400;
    font-size: clamp(0.875rem, 0.8185rem + 0.3226vw, 1rem);
}

/* Tags */
.post-tag {
    text-transform: capitalize;
    font-weight: 500;
    border: 2px solid black;
    padding: 0.5rem 1rem;
    border-radius: 30px;
    text-decoration: unset;
    background-color: var(--colour-purple);
    transition: background-color 0.2s ease-out;
}
.post-tag:hover,
.post-tag:focus {
    background-color: var(--colour-black);
    color: var(--colour-white);
}
.postlist-item > .post-tag {
    align-self: center;
}

/* Tags list */
.post-metadata {
    display: inline-flex;
    flex-wrap: wrap;
    gap: 1.2em;
    list-style: none;
    padding: 0;
    margin: 0;
    margin-bottom: 2rem;
}
.post-metadata time {
    margin-right: 1em;
}

/* Direct Links / Markdown Headers */
.header-anchor {
    text-decoration: none;
    font-style: normal;
    font-size: 1em;
    margin-left: 0.1em;
}
a[href].header-anchor,
a[href].header-anchor:visited {
    color: transparent;
}
a[href].header-anchor:focus,
a[href].header-anchor:hover {
    text-decoration: underline;
}
a[href].header-anchor:focus,
:hover > a[href].header-anchor {
    color: var(--colour-black);
}

h2 + .header-anchor {
    font-size: 1.5em;
}

@view-transition {
    navigation: auto;
}

@media (prefers-reduced-motion: reduce) {
    ::view-transition-group(*),
    ::view-transition-old(*),
    ::view-transition-new(*) {
        animation: none !important;
    }
}