@import url('https://fonts.googleapis.com/css2?family=Science%20Gothic:CTRS,slnt,wdth,wght@0..85,-10..0,50..200,100..900&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Roboto%20Serif:GRAD,opsz,wdth,wght@-50..100,8..144,50..150,100..900&display=swap');
@import url("https://fonts.googleapis.com/css2?family=Roboto+Mono:ital,wght@0,100..700;1,100..700&display=swap");
/* ===== variables ===== */
:root {
    color-scheme: light dark;
    /* tint color */
    --hue: 25;

    --body-text-color: light-dark(
        hsl(var(--hue) 70% 20%),
        hsl(var(--hue) 35% 88%)
    );
    --text-color: var(--body-text-color);
    --body-background-color: light-dark(
        hsl(var(--hue) 80% 97%),
        hsl(var(--hue) 28% 10%)
    );
    --background-color: var(--body-background-color);
    --highlighted-background-color: light-dark(
        hsl(var(--hue) 80% 90%),
        hsl(var(--hue) 28% 10%)
    );

    --primary-color: light-dark(
        hsl(var(--hue) 80% 50%),
        hsl(var(--hue) 90% 72%)
    );
    --primary-color-subtle: light-dark(
        hsl(var(--hue) 60% 60%),
        /*hsl(var(--hue) 90% 72%)*/
        hsl(var(--hue) 90% 40%)
    );
    --border-color: light-dark(
        hsl(var(--hue) 55% 30%),
        hsl(var(--hue) 20% 42%)
    );
    --header-color: var(--primary-color);

    --header-font: 'Science Gothic', sans-serif;
    --header-font-variation-settings: 'CTRS' 0, 'slnt' 0, 'wdth' 70, 'wght' 300;
    --pagination-font-variation-settings: 'CTRS' 0, 'slnt' 0, 'wdth' 70, 'wght' 300;


    --body-font: 'Roboto Serif', sans-serif;
    --body-font-variation-settings: 'GRAD' 45, 'opsz' 50, 'wdth' 100, 'wght' 400;

    --body-font-size: 16x;

    --mono-font: "Roboto Mono", monospace;
}

/* ====== reset ======== */
* {
    margin: 0;
    padding: 0;
    line-height: 175%;
    box-sizing: border-box;
}

code {
    font-family: var(--mono-font), monospace;
    font-optical-sizing: auto;
    font-size: 85%;
    color: var(--primary-color);
}

nav details {
    display: none;
}

/* === layout === */
body {
    display: grid;
    grid-template-columns: [filler] 5rem [rule1] 1px [content]max(60ch) [rule2] 1px [slack] auto;
    grid-template-rows: [header] auto [hr1] 1px [nav] auto [hr2] 1px [main] 1fr [aside] auto [footer] auto;
}
header, nav, main, aside, footer {
    grid-column: content;
    grid-row: header;
}
header {
    display: flex;
    flex-direction: row;
    justify-content: space-between;
}
nav {
    list-style: none;
    display: flex;
    flex-direction: row;
    gap: 1rem;
    grid-row: nav;
}
main {
    grid-column: content;
    grid-row: main;
    display: grid;
    grid-template-columns: subgrid;
    img, canvas, pre {
        max-width: 100%;
    }
}
footer {
    grid-column: content;
    grid-row: footer;
}
aside {
    grid-row: aside;
}


/* grid rule styling */
.rule {
    background-color: var(--border-color);
}
.vr1 {
    grid-column: rule1;
    grid-row: 1/-1;
}
.vr2 {
    grid-column: rule2;
    grid-row: 1/-1;
}
.hr1 {
    grid-row: hr1;
    grid-column: 1/-1;
}
.hr2 {
    grid-row: hr2;
    grid-column: 1/-1;
}

/* padding and spacing */
body {
    line-height: 1.75em;
}
header {
    padding: 1rem;
}
nav {
    padding: 0.5rem 1rem;
    margin: 0.5rem 0rem;
    height: 3rem;
}
footer {
    padding: 1rem;
}

:root[data-theme='light'] {
    color-scheme: light;
}

:root[data-theme='dark'] {
    color-scheme: dark;
}

/* typography and colors */
body {
    background-color: var(--background-color);
    color: var(--text-color);
    font-family: var(--body-font), serif;
    font-variation-settings: var(--body-font-variation-settings);
    font-size: var(--body-font-size);
}
a {
    color: var(--primary-color);
    text-decoration-style: solid;
    text-decoration-color: var(--primary-color-subtle);
    text-underline-offset: 0.25em;
}
a[target='_blank']::after {
    content: " ↗";
}
header, nav, h1, h2, h3, h4, h5, h6 {
    font-family: var(--header-font), serif;
}
h1, h2, h3, h4, h5, h6 {
    color: var(--header-color);
    font-variation-settings: var(--header-font-variation-settings);
}
header {
    font-size: 1.5rem;
    font-variation-settings: 'opsz' 23.04, 'slnt' -6, 'wdth' 100, 'wght' 300;
    line-height: 1rem;
}
nav {
    font-size: 1.0rem;
    font-variation-settings: 'opsz' 23.04, 'slnt' -6, 'wdth' 100, 'wght' 300;
    position: sticky;
    top: 0;
    background-color: var(--body-background-color);
    z-index: 200;
    #theme-toggle {
        font-size: 1rem;
        color: var(--primary-color-subtle);
        font-weight: bold;
        border-style: none;
        background-color: transparent;
        margin-left: auto;
    }
}

nav.is-sticky {
    border-bottom: 1px solid var(--border-color);
}
aside {
    padding: 1rem;
}

footer {
    border-top: 1px solid var(--border-color);
    background-color: var(--highlighted-background-color);
    padding: 1rem;
    margin:0;
    margin-top: 3rem;
    font-size: 0.9rem;
    .social {
        display: flex;
        flex-direction: row;
        list-style: none;
        gap: 1rem;
        padding: 0.5rem;
        padding-left: 0;
        a {
            font-weight: bold;
        }
    }
    p, ul {
        margin: 1rem 0rem;
    }
    ul {
        margin-left: 1rem;
    }
}

/* adjust for mobile */
@media (max-width: 40rem) {
    body {
        grid-template-columns: [filler] auto [rule1] 1px [content]95vw [rule2] 1px [slack] auto;
    }
}


/* customizations for the index page */
article.post-card {
    border: 1px solid var(--border-color);
    border-width: 0 0 1px 0;
    padding: 1rem;
    margin:0;
    ul.tags {
        list-style: none;
        display: flex;
        flex-direction: row;
        gap: 0.25rem;
    }
    &:last-of-type {
        border-bottom-style: none;
    }
}

.pagination {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    padding: 1rem;
    border: 1px solid var(--border-color);
    border-width: 1px 0 1px 0;
    font-family: var(--header-font), serif;
    font-variation-settings: var(--pagination-font-variation-settings);
    font-weight: lighter;
    font-size: 1rem;
    color: var(--primary-color-subtle);
    a {
        color: var(--primary-color-subtle);
    }
    &:first-child {
        border-top-style: none;
    }
}

.pagination span {
    opacity: 0.7;
}

/* customization for content pages */
article.archive-page {
    padding: 0 1rem;
    section {
        margin: 1rem 0 1.5rem;
    }
    ul {
        list-style: none;
        margin-left: 0;
        padding-left: 0;
    }
    li {
        margin: 0.35rem 0;
    }
}

article.post-content {
    padding: 0rem;
    display: grid;
    grid-template-columns: subgrid;
    & > * {
        padding: 0.5rem 1rem;
    }
    img, pre {
        padding:0;
        margin:0;
    }
    h1, h2, h3 {
        margin-top: 1rem;
    }
    time {
        font-style: italic;
        font-size: 90%;
    }
    ul, ol {
        padding-left: 1rem;
        margin-left: 1rem;
    }
    blockquote {
        margin-left: 1rem;
        margin-right: 1rem;
        background-color: var(--highlighted-background-color);
    }
    section {
        & > * {
            padding: 1rem;
        }
        padding:0;
        margin:0;
        border: 0px solid purple;
        img, canvas {
            padding: 0;
        }
        pre {
            position: relative;
            padding:0;
            overflow-x: scroll;
            border: 1px solid var(--border-color);
            border-width: 1px 0;
        }
        .code-copy-button {
            font-family: monospace;
            position: absolute;
            top: 0;
            right: -1px;
            z-index: 101;
            border: 1px solid var(--border-color);
            background-color: var(--border-color);
            color: var(--background-color);
            font-size: 0.85rem;
            line-height: 1;
            padding: 0.35rem 0.65rem;
            cursor: pointer;
        }
        .code-copy-button:hover {
            background-color: var(--body-background-color);
            color: var(--border-color);
        }
        h1, h2, h3 {
            z-index: 100;
            position: sticky;
            top: 3rem;
            left: 0px;
            background-color: var(--body-background-color);
            border-style: solid;
            border-color: var(--border-color);
            border-width: 0;
            border-bottom-width: 0;
            margin: 1rem 0 0 0;
            padding:0rem 1rem;
            &.is-sticky {
                border-bottom-width: 1px;
            }
        }
    }
    section.related-posts {
        padding-left: 1rem;
        h2 {
            margin:0;
            padding:0;
        }
    }

}

article.archive-page {
    display: grid;
    grid-template-columns: 1fr 3fr;
    gap: 0.5rem;
    h1 {
        grid-column: 1/-1;
    }
    section {
        grid-column: 1/-1;
        display: grid;
        grid-template-columns: subgrid;
        ul {
            grid-column: 1/-1;
            display: grid;
            grid-template-columns: subgrid;
            li {
                grid-column: 1/-1;
                display: grid;
                grid-template-columns: subgrid;
                time {
                    grid-column: 1;
                    justify-self: end;
                }
            }
        }
    }
}