@import url("/assets/css/fonts.css");

:root {
    --fg-low: oklch(70% 0.01368 253.09);
    --fg: oklch(80% 0.01368 253.09);
    --fg-high: oklch(90% 0.01368 253.09);

    --bg-lowest: oklch(15% 0.01368 253.09);
    --bg-low: oklch(17.5% 0.01368 253.09);
    --bg: oklch(20% 0.01368 253.09);
    --bg-high: oklch(22.5% 0.01368 253.09);
    --bg-highest: oklch(25% 0.01368 253.09);

    --border: oklch(35% 0.023 253.09);
    --border-variant: oklch(30% 0.023 253.09);

    --red: oklch(80% 0.15765 24.728);
    --red-bright: oklch(90% 0.15765 24.728);
    --orange: oklch(80% 0.139 45.216);
    --orange-bright: oklch(90% 0.139 45.216);
    --yellow: oklch(80% 0.12758 76.402);
    --yellow-bright: oklch(90% 0.12758 76.402);
    --green: oklch(80% 0.11211 147.63);
    --green-bright: oklch(90% 0.11211 147.63);
    --cyan: oklch(80% 0.09919 181.49);
    --cyan-bright: oklch(90% 0.09919 181.49);
    --blue: oklch(80% 0.09994 249.58);
    --blue-bright: oklch(90% 0.09994 249.58);
    --purple: oklch(80% 0.09923 296.61);
    --purple-bright: oklch(90% 0.09923 296.61);
    --pink: oklch(80% 0.06662 9.2146);
    --pink-bright: oklch(90% 0.06662 9.2146);

    --border-radius: 5px;
    --border-width: 1px;
    --padding: 5px;
    --padding-big: 10px;
    --easing: cubic-bezier(0.2, 0.0, 0, 1.0);
    --arrow-size: 1em;
}

body {
    font-family: "Aporetic", "Open Sans", sans-serif;
    background-color: var(--bg);
    background-repeat: repeat;
    color: var(--fg);
    display: flex;
    gap: var(--padding-big);
    min-height: 100vh;
    padding: var(--padding-big);
    box-sizing: border-box;
    position: relative;
}

#deco {
    overflow: hidden;
    position: fixed;
    width: 100%;
    height: 100%;
    left: 0;
    top: 0;
    z-index: -1;
}

#triangles {
    content: "";
    width: 200%;
    height: 200%;
    background-image: url("/assets/triangle.svg");
    position: absolute;
    transform: translate(-50%, -50%) rotate(22.5deg);
    left: 50%;
    top: 50%;
    z-index: -2;
    animation: scroll 16s linear infinite;
}

@keyframes scroll {
    to {
       background-position: -96px 0; /* svg size */
    }
}

#rainbow {
    --bar-size: 0.3em;
    position: absolute;
    z-index: -1;
    bottom: 0;
    right: 0;
    aspect-ratio: 1 / 1;
    height: calc(var(--bar-size) * 14); /* magic number */
    background-image: linear-gradient(
        -45deg,
        transparent,
        transparent var(--bar-size),
        var(--blue) var(--bar-size),
        var(--blue) calc(var(--bar-size) * 2),
        transparent calc(var(--bar-size) * 2),
        transparent calc(var(--bar-size) * 3),
        var(--green) calc(var(--bar-size) * 3),
        var(--green) calc(var(--bar-size) * 4),
        transparent calc(var(--bar-size) * 4),
        transparent calc(var(--bar-size) * 5),
        var(--yellow) calc(var(--bar-size) * 5),
        var(--yellow) calc(var(--bar-size) * 6),
        transparent calc(var(--bar-size) * 6),
        transparent calc(var(--bar-size) * 7),
        var(--orange) calc(var(--bar-size) * 7),
        var(--orange) calc(var(--bar-size) * 8),
        transparent calc(var(--bar-size) * 8),
        transparent calc(var(--bar-size) * 9),
        var(--red) calc(var(--bar-size) * 9),
        var(--red) calc(var(--bar-size) * 10),
        transparent calc(var(--bar-size) * 10)
    );
}

/*
 * failsafe for when the viewport is too small and the rainbow overlaps the text
 */
main > div,
footer,
nav > ul {
    background-color: var(--bg);
    box-shadow: var(--bg) 0 0 32px 8px;
    border-radius: var(--border-radius);
}

#upper {
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

#upper > div {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    gap: var(--padding-big);
    align-items: center;
}

.subtle {
    color: var(--fg-low);
}

main {
    flex-grow: 1;
    width: 80vw;
    line-height: 1.4;
    box-sizing: border-box;
}

nav > ul {
    display: flex;
}

nav {
    z-index: 999;
}

main,
nav {
    padding: var(--padding-big);
}

nav li:not(:last-of-type)::after,
footer > div > span:not(:last-of-type)::after {
    content: "|";
    margin-left: var(--padding);
    margin-right: var(--padding);
    color: var(--border);
}

footer > div {
    line-height: 1.5;
}

footer {
    text-align: center;
    padding: var(--padding);
    font-size: 0.8em;
    display: flex;
    flex-direction: column;
    gap: var(--padding);
}

a,
a:link {
    color: var(--yellow);
}

a:not(.volatile):visited {
    color: var(--pink);
}

a:focus,
a:hover {
    color: var(--yellow-bright);
}

a:active {
    color: var(--yellow);
}

.anchor {
    order: -1;
    text-decoration: none;
}

.anchor::after {
    content: "#";
}

h1, h2 {
    line-height: 1;
    display: flex;
    align-items: center;
    gap: var(--padding-big);
}

h1::after, h2::after {
    content: "";
    height: var(--border-width);
    background-color: var(--border);
    flex-grow: 1;
}

h1 {
    font-size: 1.5em;
}

h2 {
    font-size: 1.25em;
}

main li {
    margin-left: var(--padding-big);
    list-style-type: "- ";
    list-style-position: inside;
}

main li::marker {
    color: var(--border);
}

main ol,
main ul {
    padding-top: var(--padding);
    gap: var(--padding);
    display: flex;
    flex-direction: column;
}

main ol,
main ul,
p,
pre,
h1, h2
{
    margin-bottom: var(--padding-big);
}

main > :last-child {
    margin-bottom: 0;
}

strong {
    font-weight: bold;
}

code {
    border-radius: var(--border-radius);
    padding-inline: calc(var(--padding) / 2);
    font-family: "Aporetic Mono", monospace;
    border: var(--border-width) solid var(--border);
    overflow-wrap: anywhere;
}

pre {
    overflow: hidden;
}

pre > code {
    display: block;
    padding: calc(var(--padding) * 2);
    position: relative;
    line-height: 1.3;
    overflow-wrap: break-word;
    background: transparent;
    overflow-x: scroll;
}

pre > code[data-lang]::after {
    content: attr(data-lang);
    position: absolute;
    top: 0;
    right: 0;
    padding: var(--padding);
    border-radius: 0 var(--border-radius);
    border-bottom: var(--border-width) solid var(--border);
    border-left: var(--border-width) solid var(--border);
    background-color: var(--bg-high);
    transition: transform 0.2s var(--easing);
}

pre > code[data-lang]:hover::after {
    transform: translateX(100%);
}

@media (max-width: 130ch) {
    aside {
        padding: var(--padding-big);
        font-size: 0.9em;
        box-sizing: border-box;
        border: var(--border-width) solid var(--border);
        border-radius: var(--border-radius);
        background-color: var(--bg-high);
        position: relative;
        margin-bottom: var(--padding-big);
        margin-top: calc(var(--padding-big) + var(--arrow-size) / 2);
    }

    aside::after,
    aside::before {
        content: "";
        border-right: var(--arrow-size) solid transparent;
        border-left: var(--arrow-size) solid transparent; 
        position: absolute;
        width: 0; 
        height: 0; 
        left: 50%;
        transform: translateX(-50%);
    }

    aside::before {
        border-bottom: var(--arrow-size) solid var(--border);
        top: calc(var(--arrow-size) * -1);
    }

    aside::after {
        border-bottom: var(--arrow-size) solid var(--bg-high);
        top: calc(var(--arrow-size) * -1 + var(--border-width));
    }
}

@media (min-width: 130ch) {
    aside {
        position: absolute;
        right: var(--padding-big);
        max-width: calc(10vw - var(--padding-big));
        padding: var(--padding-big);
        font-size: 0.9em;
        box-sizing: border-box;
        border: var(--border-width) solid var(--border);
        border-radius: var(--border-radius);
        background-color: var(--bg-high);
        transform: translateY(calc(-50% - 1lh));
    }

    aside::after,
    aside::before {
        content: "";
        border-top: var(--arrow-size) solid transparent;
        border-bottom: var(--arrow-size) solid transparent; 
        position: absolute;
        width: 0; 
        height: 0; 
        top: 50%;
        transform: translateY(-50%);
    }

    aside::before {
        border-right: var(--arrow-size) solid var(--border);
        left: calc(var(--arrow-size) * -1);
    }

    aside::after {
        border-right: var(--arrow-size) solid var(--bg-high);
        left: calc(var(--arrow-size) * -1 + var(--border-width));
    }
}