:root {
    --bg: #ffffff;
    --bg-code: #f4f4f4;
    --text: #000000;
    --text-alt: #555555;
    --text-code: #111111;
    --accent: #e56710;
    --error: #c82829;
    --link: #3071c1;
    --border: black;
    --border-code: #696969;
    --shadow: 0, 0, 0;
}

[data-theme="dark"] {
    --bg: #1d1f21;
    --bg-code: #282828;
    --text: #d0d0d0;
    --text-alt: #898989;
    --text-code: #a89984;
    --accent: #e78c45;
    --error: #cc6666;
    --link: #81a2be;
    --border: #fafafa;
    --border-code: #696969;
    --shadow: 200, 200, 200;

    body::before {
        background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='80' height='80'><g fill='white'><circle cx='40' cy='40' r='2'/></g></svg>");
    }
}

* {
    margin: 0;
    padding: 0;
    transition: all 0.4s cubic-bezier(0.85, 0, 0.15, 1);
}

*, *:after, *:before {
    box-sizing: border-box;
}

html {
    text-rendering: optimizeLegibility;
    color-scheme: light dark;
    font-size: 18px;
    --serif: serif;
    --sans: system-ui, sans-serif;
    --mono: "Fira Code", "Fira Mono", "JetBrains Mono", monospace;
    height: 100%;
}

body {
    font-family: var(--sans);
    color: var(--text);
    background-color: var(--bg);
    fill: var(--text);
    overflow-wrap: break-word;
    padding: 1em 0;
}

@keyframes backgroundScroll {
    from {
        background-position: 0 0;
    }

    to {
        background-position: 100% 100%;
    }
}

body::before {
    content: "";
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background-color: var(--bg);
    background-size: 80px 80px;
    background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='80' height='80'><g fill='black'><circle cx='40' cy='40' r='2'/></g></svg>");
    animation: backgroundScroll 120s linear infinite;
    transition: all 0.4s cubic-bezier(0.85, 0, 0.15, 1);
}

main {
    max-width: 100ch;
    height: 100%;
    display: flex;
    margin: 0 auto;
    flex-direction: column;
    background-color: var(--bg);
    /* border: solid var(--text-alt) 2px; */
    /* border-radius: 4px; */
    padding: 1em;
    box-shadow:
        0 2px 4px rgba(var(--shadow), 0.12),
        0 8px 16px rgba(var(--shadow), 0.08);
}

nav {
    display: flex;
    align-items: center;
    column-gap: 3ch;
    padding-top: 1rem;
    padding-bottom: 1rem;
    margin-bottom: 1rem;
}

footer {
    margin-top: 3rem;
    bottom: 0;
    font-size: 0.8rem;
}

footer > p {
    display: flex;
    column-gap: 2ch;
    justify-content: center;
    flex-flow: row wrap;
}

/* this only looks good with specific footer content */
/* footer a { */
/*     text-decoration: none; */
/*     white-space: nowrap; */
/* } */

a {
    color: var(--text);
    text-decoration-line: underline;
    text-decoration-color: var(--link);
}

a:has(sup) {
    text-decoration-line: none;
}

a:hover {
    color: var(--link);
    fill: var(--link);
}

p code, li code {
    padding: 0px 2px;
    border-radius: 3px;
    background: var(--bg-code);
    border: 1px solid var(--border-code);
    color: var(--text-code);
}

code {
    font-variant-ligatures: none;
    font-family: var(--mono);
    font-size: 16px;
}

dt { font-weight: bold; }

pre {
    background: var(--bg-code);
    border-radius: 0.3rem;
    padding: 1rem;
    margin: 0.5rem 0;
    white-space: pre;
    overflow: auto;
    word-spacing: normal;
    word-break: normal;
    -moz-tab-size: 2;
    -o-tab-size: 2;
    tab-size: 2;
    -webkit-hyphens: none;
    -moz-hyphens: none;
    -ms-hyphens: none;
    hyphens: none;
}

pre > code {
    line-height: 1.5;
    font-size: 16px;
}

img, video {
    display: block;
    margin: 2rem auto 2rem;
    border: 1px solid var(--border);
    max-width: 100%;
    height: auto;
}

h1, h2, h3 {
    line-height: 1rem;
}

h1 { font-size: 2.0rem; }
h2 { font-size: 1.4rem;}
h3 { font-size: 1.2rem; }


h1 { margin-bottom: 1rem; }
h2, h3, h4, h5, h6 {
    padding-top: 0.5rem;
    margin-bottom: 1.25rem;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--sans);
    font-weight: bold;
    text-wrap: balance;
}

hr {
    padding: 1ch;
    margin: 2ch 0 2ch 0;
    border: 0;
    border-top: 1px solid var(--text);
    opacity: 0.4;
}

ol, ul, dd { margin-left: 3ch; }

p, table, ol, ul, ul, figure, aside, sl { margin-bottom: 1rem; }

p {
    line-height: 1.6rem;
}

section > :is(h1, h2, h3):hover {
    color: var(--text-alt);
}

sup, sub { line-height: 0; }
a > sup {
    font-weight: bold;
    text-decoration-line: underline;
    color: var(--link);
}

a > sup:hover {
    color: var(--text-alt);
}

svg.icon { width: 1rem; height: 1rem; vertical-align: middle; }

/* .copy-button { */
/*   background-color: var(--bg); */
/*   font-family: var(--mono); */
/*   font-weight: bold; */
/*   padding: 0.5ch 1ch; */
/*   font-size: 0.7rem; */
/*   border-radius: 1ch; */
/*   position: absolute; */
/*   top: 0ch; */
/*   right: 15ch; */
/*   z-index: 1; */
/*   display: none; */
/*   opacity: 0.5; */
/*   color: var(--border); */
/*   border: 1px solid rgb(from var(--border) r g b / 0.5); */
/* } */
/* pre:hover .copy-button { */
/*   display: block; */
/* } */
/**/
/* .copy-button:hover { */
/*     cursor: pointer; */
/* } */

/* chrome only respects -webkit-background-clip */
.text-grad {
    color: transparent;
    -webkit-text-fill: transparent;
    line-height: 1.3em;
    width: fit-content;
    background: linear-gradient(225deg, var(--error), var(--accent));
    background-clip: text;
    -webkit-background-clip: text;
}

.title-card {
    margin-bottom: 2ch;
    text-align: left;
}

.note {
    opacity: 0.6;
    font-size: 0.9rem;
}

.clickbait-title {
    font-style: italic;
    opacity: 0.8;
}

.clickbait-title::before {
    content: "clickbait title: ";
}

.post-list {
    list-style: none;
    margin-left: 0;
}

.post-list a {
    text-decoration-line: none;
    text-decoration-color: var(--accent);
}

.post-list a:hover {
    text-decoration-line: underline;
    text-decoration-color: var(--accent);
    /* keep the cool gradient text color */
    color: transparent;
    fill: transparent;
}

/* .post-list h2:hover { */
/*     text-decoration: underline solid var(--accent); */
/* } */

.post-list h2 {
    margin-bottom: 0;
    margin-top: 0;
}

.post-list li {
    margin-top: 1rem;
}

/* colors */
.accent { color: var(--accent); }
.error { color: var(--error); }
.link { color: var(--link); }
.text-alt { color: var(--text-alt); }
.text { color: var(--text); }

@media (max-width: 800px) {
    main {
        max-width: 100%;
    }
}