:root {
    /* BASE COLORS */
    --hue-primary: 265;
    --hue-accent: 143;

    /* SEMANTIC COLORS */
    --color-bg: oklch(98% 0.005 var(--hue-primary));
    --color-text: oklch(20% 0.05 var(--hue-primary));
    --color-text-muted: oklch(35% 0.08 var(--hue-primary));
    --color-text-subtle: oklch(50% 0.12 var(--hue-primary));
    
    --color-surface-subtle: oklch(95% 0.02 var(--hue-primary));
    --color-surface-hover: oklch(92% 0.04 var(--hue-primary));
    
    --color-border: oklch(85% 0.03 var(--hue-primary));
    
    --color-link: oklch(45% 0.18 var(--hue-primary));
    --color-link-visited: oklch(35% 0.15 320);
    --color-link-hover: oklch(55% 0.20 var(--hue-primary));
    
    --color-code-bg: oklch(96% 0.015 var(--hue-primary));
    --color-code-border: oklch(80% 0.05 var(--hue-primary));
    --color-code-label: oklch(55% 0.14 var(--hue-accent));
    
    --color-quote-bg: oklch(95% 0.03 var(--hue-accent) / 0.4);
    --color-quote-border: oklch(70% 0.12 var(--hue-accent));

    --color-callout-note: oklch(35% 0.12 250);
    --color-callout-tip: oklch(30% 0.13 145);
    --color-callout-important: oklch(40% 0.18 285);
    --color-callout-warning: oklch(60% 0.16 70);
    --color-callout-caution: oklch(38% 0.2 20);

    /* TYPOGRAPHY */
    --f-body: 16px;
    --f-code: 14px;
}

@media (prefers-color-scheme: dark) {
    :root {
        --color-bg: oklch(18% 0.015 var(--hue-primary));
        --color-text: oklch(88% 0.04 var(--hue-primary));
        --color-text-muted: oklch(70% 0.06 var(--hue-primary));
        --color-text-subtle: oklch(55% 0.08 var(--hue-primary));
        
        --color-surface-subtle: oklch(22% 0.02 var(--hue-primary));
        --color-surface-hover: oklch(28% 0.03 var(--hue-primary));
        
        --color-border: oklch(35% 0.04 var(--hue-primary));
        
        --color-link: oklch(70% 0.15 var(--hue-primary));
        --color-link-visited: oklch(65% 0.12 300);
        --color-link-hover: oklch(80% 0.18 var(--hue-primary));
        
        --color-code-bg: oklch(22% 0.02 var(--hue-primary));
        --color-code-border: oklch(40% 0.06 var(--hue-primary));
        --color-code-label: oklch(65% 0.16 var(--hue-accent));
        
        --color-quote-bg: oklch(30% 0.07 var(--hue-accent) / 0.4);
        --color-quote-border: oklch(65% 0.14 var(--hue-accent));

        --color-callout-note: oklch(65% 0.15 250);
        --color-callout-tip: oklch(68% 0.14 145);
        --color-callout-important: oklch(70% 0.16 285);
        --color-callout-warning: oklch(72% 0.14 70);
        --color-callout-caution: oklch(68% 0.16 20);
    }
}

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

body {
    line-height: 1.5;
    font-family: Helvetica, sans-serif;
    font-size: var(--f-body);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.sidebar-container {
    flex: 1 1 0;
    display: flex;
    flex-direction: column;

    inline-size: 90%;
    padding-inline: 0.8rem;

    nav {
        display: flex;
        gap: 1.5rem;
        justify-content: flex-start;
        align-items: center;
        flex-wrap: wrap;
        font-weight: bold;
        font-size: 0.9rem;
        padding-block-start: 2rem;

        .headshot {
            width: 75px;
            height: 75px;

            img {
                width: 100%;
                border-radius: 100%;
            }
        }
        a,
        a:visited,
        a:hover {
            color: var(--color-link);
            text-decoration: none;
        }

        a:hover {
            text-decoration: underline;
            text-decoration-thickness: 2px;
        }
    }

    main {
        overflow: visible;
        padding-block: 2rem;
    }

    @media (width > 1000px) {
        padding-inline: 0;
        max-inline-size: 60%;
        flex-direction: row;

        nav {
            flex-direction: column;
            padding-inline-end: 2rem;
        }
    }
}

footer {
    inline-size: 90%;
    display: flex;
    gap: 4rem;
    justify-content: center;
    padding-block: 4rem;

    a,
    a:visited {
        color: var(--color-text-subtle);
    }
    a:hover {
        color: var(--color-text);
    }

    a {
        width: 20px;
        height: auto;
    }
}

pre,
code {
    font-family: "Courier", monospace;
    font-size: var(--f-code);
}

section + section {
    margin-block-start: 2rem;
}

a {
    cursor: pointer;
    color: var(--color-link);
    text-decoration: underline;
    text-underline-offset: 6px;
    text-decoration-thickness: 2px;
    &:visited {
        color: var(--color-link-visited);
    }
    &:hover {
        color: var(--color-link-hover);
    }
}

ul:has(.technote-link) {
    margin: 0;
    padding: 0;
    padding-block: 1rem;
    list-style: none;

    li {
        padding-block: 0.3rem;
        border-bottom: 1px solid oklch(from var(--color-text) l c h / 0.3);
        a {
            display: block;
            border-radius: 4px;
            padding: 0.3rem 0.75rem;
            color: var(--color-text);
            text-decoration: none;

            &:hover {
                background-color: oklch(
                    from var(--color-surface-hover) l c h / 0.3
                );
            }
        }
        [data-technote-link="metadata"] {
            display: flex;
            align-items: center;
            gap: 0.5rem;

            .corner-line {
                stroke-width: 3px;
                width: 25px;
                height: 10px;

                line {
                    stroke: oklch(from var(--color-text) l c h / 0.3);
                }
            }

            time {
                display: inline-block;
                color: oklch(from var(--color-text) l c h / 0.75);
                font-size: calc(var(--f-body) * 0.8);
            }
        }
    }
}

.prose {
    max-inline-size: 80ch;
    & > * + * {
        margin-block-start: 1rem;
    }

    h1 {
        font-size: 1.5rem;
    }
    h2 {
        font-size: 1.3rem;
    }
    h3 {
        font-size: 1.1rem;
    }
    h4 {
        font-size: 1rem;
    }
    h5 {
        font-size: 0.9rem;
    }
    h6 {
        font-size: 0.8rem;
    }

    hgroup > p {
        text-align: right;
        color: oklch(from var(--color-text) l c h / 0.75);
        font-size: calc(var(--f-body) * 0.8);
    }

    pre:has(code[class|="language"]) {
        border: 1px solid var(--color-code-border);
        border-radius: 3px;
        padding: 0.65rem;
        overflow: auto;
        position: relative;
        inline-size: max-content;
        min-inline-size: 100%;
        max-inline-size: 90vw;
        left: 50%;
        transform: translateX(-50%);

        code::before {
            color: oklch(from var(--color-code-label) l c h);
            font-weight: bold;
            border-radius: 3px;
            content: attr(data-lang);
            position: sticky;
            display: block;
            text-align: end;
            text-transform: uppercase;
            inset-inline-start: 0;
            margin-block-end: 0.3rem;
            font-size: calc(var(--f-body) * 0.7);
        }
    }

    [data-copy-snippet] {
        color: oklch(from var(--color-code-label) l c h / 0.8);
        font-weight: bold;
        padding: 0;
        appearance: none;
        cursor: pointer;
        background: 0;
        border: none;
        text-transform: uppercase;
        font-size: calc(var(--f-body) * 0.7);
        margin-block-start: 0;
    }

    code:not(pre code) {
        background-color: oklch(from var(--color-code-bg) l c h / 0.5);
        padding: 0px 5px 1px 5px;
        border-radius: 3px;
    }

    .sidenote-number {
        padding-inline: 0.3rem;
        font-weight: bold;
        font-size: 0.9rem;
        cursor: pointer;
        vertical-align: super;
    }

    .sidenote-toggle {
        display: none;
    }

    .sidenote-content {
        display: none;
        float: left;
        clear: both;
        left: 1rem;
        width: 95%;
        margin: 1rem 2.5%;
        font-size: 0.9rem;

        &::before {
            content: attr(data-sn-number);
            vertical-align: super;
            font-weight: bold;
            font-style: italic;
        }
    }

    .sidenote-toggle:checked + .sidenote-content {
        display: block;
    }

    @media(width > 1550px) {
        :has(> .sidenote-content) {
            position: relative;
        }

        .sidenote-content {
            display: block;
            position: absolute;
            text-align: unset;
            left: 100%;
            max-inline-size: 380px;
            margin-block: 0;
            transform: translateY(-50%);
        }
    }

    blockquote:not([class|="markdown-alert"]) {
        display: flex;
        flex-direction: column;
        padding: 1rem;
        background-color: var(--color-quote-bg);
        border-block: 1px solid var(--color-quote-border);
        margin-inline: 5px;
        position: relative;

        p:first-child {
            text-indent: 23px;
        }

        p + p {
            margin-block-start: 1rem;
        }

        &::before {
            position: absolute;
            content: "\201C";
            left: 15px;
            top: 4px;
            font-size: 3rem;
            display: inline;
        }

        cite {
            font-style: italic;
            margin-block-start: 2rem;
            align-self: flex-end;
            font-size: calc(var(--f-body) * 0.9);
        }
    }

    callout {
        --color-callout: black;
        &:has([data-callout="note"]) {
            --color-callout: var(--color-callout-note);
        }
        &:has([data-callout="tip"]) {
            --color-callout: var(--color-callout-tip);
        }
        &:has([data-callout="important"]) {
            --color-callout: var(--color-callout-important);
        }
        &:has([data-callout="warning"]) {
            --color-callout: var(--color-callout-warning);
        }
        &:has([data-callout="caution"]) {
            --color-callout: var(--color-callout-caution);
        }

        display: block;
        padding-inline: 0.75rem;
        border-inline-start: 4px solid var(--color-callout);

        [data-callout] {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            margin-block-end: 1rem;
            color: var(--color-callout);
            font-weight: bold;
            font-size: 0.9rem;
            font-variant-caps: small-caps;
        }

        [data-callout] svg {
            width: 16px;
            height: 16px;
            display: inline;
        }
    }

    .archive-link {
        font-size: 0.7rem;
        vertical-align: super;
        margin-inline: 5px;
        text-decoration: none;
    }
}