:root {
    --clr-text: #ebdbb2;
    --clr-brand: #fabd2f;
    --clr-bg-0: #282828;
    --clr-bg-1: #1d2021;
    color-scheme: dark;
}

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

*:focus-visible {
    outline: 2px solid var(--clr-brand);
}

::selection {
    background-color: var(--clr-text);
    color: var(--clr-bg-0);
}

body {
    font-family: system-ui;
    background-color: var(--clr-bg-0);
    color: var(--clr-text);
    padding: 1rem;
    max-width: 1000px;
    margin: 0 auto;
}

h1 {
    font-size: 2.5rem;
}

h2 {
    font-size: 2rem;
}

h3 {
    font-size: 1rem;
}

h4 {
    font-size: 0.5rem;
}

a {
    font-weight: bold;
    color: inherit;
    text-decoration-color: var(--clr-brand);
}

p code {
    background-color: #1d2021;
    padding: 0.25rem 0.5rem;
    border-radius: 0.5rem;
    font-size: 1rem;
}

pre code {
    border-radius: 0.5rem;
    font-size: 1rem;
}

h1, h2, h3, h4, h5, h6 {
    isolation: isolate;
    position: relative;
    max-width: max-content;
    &::before {
        content: "";
        position: absolute;
        top: -0.25em;
        bottom: -0.25em;
        right: -1em;
        left: -10rem;
        z-index: -1;
        border-radius: 0.5rem;
        background: linear-gradient(to left, var(--clr-bg-1) 75%, transparent);
    }
}

h2 {
    position: sticky;
    top: 0;
    z-index: 10;
}

table-of-contents > ul {
    list-style: none;
    padding-left: 0;
    font-size: 1.25rem;
}