@layer reset, typography, root, layout, template, page, utility;

:root {
    --black: 0, 0, 0;
    --sub-dk-gray: 16, 16, 16;
    --dk-gray: 32, 32, 32;
    --super-dk-gray: 80, 80, 80;
    --mid-gray: 128, 128, 128;
    --sub-lt-gray: 175, 175, 175;
    --lt-gray: 223, 223, 223;
    --super-lt-gray: 240, 240, 240;
    --white: 255, 255, 255;

    --lt-blue: 69, 212, 243;
    --mid-blue: 26, 169, 239;
    --dk-blue: 63, 46, 231;
    --purple: 161, 49, 232;
    --lilac: 187, 121, 245;

    --background: var(--white);

    --separator-color: rgb(var(--lt-gray));
    --header-border-color: var(--separator-color);
    --footer-border-color: var(--separator-color);

    --box-shadow-color: rgba(var(--lt-gray), 0.8);
    --header-box-shadow-color: var(--box-shadow-color);

    --body-item-spacing: 4rem;
    --body-code-background-color: rgb(var(--super-lt-gray));

    --header-series-arrow-foreground-color: rgb(var(--sub-dk-gray));

    --html-background-color: rgb(var(--background));

    --nav-bulleted-spacing: 0.75rem;

    --platter-background-color: rgba(var(--white), var(--platter-background-opacity));
    --platter-background-opacity: 0.6;
    --platter-backdrop-filter: blur(10px);

    --content-width: 80rem;

    --tag-foreground-color: rgb(var(--super-dk-gray));
    --tag-background-color: rgb(var(--super-lt-gray));
    --tag-spacer-foreground-color: rgb(var(--super-dk-gray));
    --tag-hover-background-color: rgb(var(--sub-lt-gray));

    --transition-duration: 0.7s;

    --social-menu-padding: 1rem;
    --menu-icon-size: 20px;
    --twitter-icon: url(/icons/twitter.svg);
    --github-icon: url(/icons/github.svg);
    --instagram-icon: url(/icons/instagram.svg);
    --feed-icon: url(/icons/rss.svg);
}
@media (prefers-color-scheme: dark) {
    :root {
        --background: var(--black);

        --separator-color: rgb(var(--dk-gray));
        --box-shadow-color: rgba(var(--dk-gray), 0.8);
        --body-code-background-color: rgb(var(--dk-gray));

        --header-series-arrow-foreground-color: rgb(var(--super-dk-gray));

        --html-background-color: rgb(var(--background));

        --platter-background-color: rgba(var(--black), var(--platter-background-opacity));
        --platter-backdrop-filter: brightness(0.66) blur(10px);

        --tag-foreground-color: rgb(var(--sub-lt-gray));
        --tag-background-color: rgb(var(--dk-gray));
        --tag-spacer-foreground-color: rgb(var(--super-dk-gray));
        --tag-hover-background-color: rgb(var(--super-dk-gray));
        --tag-hover-foreground-color: rgb(var(--mid-gray));

        --twitter-icon: url(/icons/twitter-dark.svg);
        --github-icon: url(/icons/github-dark.svg);
        --instagram-icon: url(/icons/instagram-dark.svg);
        --feed-icon: url(/icons/rss-dark.svg);
    }
}

@layer root {
    a { text-decoration: none; }
    a:hover {
        text-decoration: underline;
        text-underline-offset: 0.12em;
    }
    a.hover-only {
        color: var(--color);
        transition: color 0.2s;
    }
    a.hover-only:hover {
        text-decoration: underline;
        transition: color 0.2s;
    }

    blockquote {
        border-inline-start: 4px solid var(--separator-color);
        padding-inline-start: 2rem;
        margin-inline-start: 2rem;
    }

    code {
        background-color: var(--body-code-background-color);
        border-radius: 0.25rem;
        display: inline-block;
        padding-inline: 0.6rem;
    }
    code.nobg {
        background: none;
        border-radius: 0;
        display: inline-block;
        margin: 0;
        padding: 0;
    }

    details { width: 100%; }

    details:has(#TableOfContents) {
        box-sizing: border-box;
        border: 1px solid var(--separator-color);
        padding: var(--body-item-spacing);
    }

    fieldset {
        box-sizing: border-box;
        border: 1px solid var(--separator-color);
        padding: var(--body-item-spacing);
        padding-top: calc(var(--body-item-spacing) / 10);
    }

    html { background-color: var(--html-background-color); }

    img {
        height: auto;
        max-width: 100%;
    }

    img.circular {
        shape-outside: circle(50%);
        -webkit-clip-path: circle(50%);
        clip-path: circle(50%);
    }

    main {
        box-sizing: border-box;
        max-width: calc(var(--content-width) + 2 * var(--body-item-spacing));
        margin: var(--body-item-spacing) auto;
        padding-inline: var(--body-item-spacing);
        width: 100%;
    }

    nav.bulleted > li:first-child::before {
        content: "";
        margin-inline: 0;
    }

    nav.bulleted > li::before {
        color: var(--heading-color);
        content: "•";
        font-size: 60%;
        font-weight: normal;
        opacity: 80%;
        margin-inline: var(--nav-bulleted-spacing);
    }

    ul,
    ol,
    dl,
    ul > li,
    ol > li,
    dl > dt,
    ul > li > ul,
    ul > li > ol,
    ol > li > ul,
    ol > li > ol {
        margin-inline-start: calc(var(--body-item-spacing) + 2px);
    }

    header > span.series {
        font-size: 1.75rem;
        letter-spacing: 1px;
        margin-inline-start: 0.5em;
    }

    header > span.series::before {
        color: var(--header-series-arrow-foreground-color);
        content: "↳";
        margin-inline-end: 0.25em;
    }

    .post-list {
        list-style: none;
        margin: 0;
        padding: 0;
    }
    @supports (display: subgrid) {
        .post-list {
            align-items: baseline;
            display: grid;
            gap: 1em;
            grid-template-columns:
                minmax(150px, max-content) minmax(20px, max-content) 3px auto;
            grid-template-areas: "month day line title";
        }
    }

    .post-list li {
        align-items: baseline;
        border-radius: 6px;
        display: grid;
        gap: 1em;
        padding: 0.1em;
    }

    .post-title {
        align-items: baseline;
        display: flex;
        flex-wrap: wrap;
        gap: 0 4rem;
    }

    .post-title h1 {
        flex-grow: 1;
        font-size: 1.8em;
        margin-block: 0;
        padding-bottom: 0;
    }

    .post-title > .post-date {
        color: var(--light-dim);
        display: inline-block;
        font-size: 1.75rem;
        inline-size: min-content;
        letter-spacing: 1px;
        margin-block-start: 0.5rem;
        white-space: nowrap;
    }

    table {
        border: 1px solid var(--separator-color);
        border-collapse: collapse;
        margin-inline: auto;
        width: 50%;
    }

    td, th {
        border: 1px solid var(--separator-color);
        padding-inline: 1rem;
    }
}