/* Color scheme */

:root {
    --fg-color: #f0f6fc;
    --muted-fg-color: #9198a1;
    --neutral-color: #3d444d;
    --bg-color: #151b23;

    --link-color: #4493f8;
    --code-bg-color: #0d1117;

    --accent-note: #0969da;
    --accent-tip: #1a7f37;
    --accent-important:#8250df;
    --accent-warning: #9a6700;
    --accent-caution: #d1242f;
}

/* Basic reset */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-weight: 300;
}

/* Layout... */

nav.left {
    position: fixed;
    width : 20%;
    padding: 2rem 1rem 1rem 2rem;
    height: 100%;
    overflow-y: scroll;
}

main {
    margin-left: 20%;
    width: 60%;
    padding: 1rem;
}

nav.right {
    position: fixed;
    margin-left: 80%;
    width : 20%;
    padding: 2rem 2rem 1rem 1rem;
    height: 100%;
    overflow-y: scroll;
}

@media (max-width: 1000px) {
    main {
        padding: 1.5rem 1rem;
        width: 75%;
        margin-left: 25%;
    }
    nav.left {
        padding: 2rem 1rem 1rem 2rem;
        width: 25%;
        position: fixed;
    }
    nav.right {
        display: none;
    }
}

@media (max-width: 800px) {
    main {
        padding: 1.5rem 1rem;
        width: 100%;
        margin-left: 0;
    }
    nav.left {
        display: none;
    }
    nav.right {
        display: none;
    }
}

/* Typography & spacing */

html {
    scroll-behavior: smooth;
}

body {
    line-height: 1.6;
    color: var(--fg-color);
    background-color: var(--bg-color);
    font-family: Helvetica, sans-serif;
}

h1, h2 {
    border-bottom: 1px solid var(--neutral-color);
    padding-bottom: 0.3rem;
}
h1, h2, h3, h4, h5 {
    margin-top: 1.5rem;
    margin-bottom: 1.5rem;
    line-height: 1.3;
}

h1 { font-size: 2rem; }
h2 { font-size: 1.5rem; margin-top: 3.5rem; }
h3 { font-size: 1.25rem; }
h4 { font-size: 1rem; }

p {
    margin: 1rem 0;
}

strong {
    font-weight: 600;
}

ul, ol {
    margin-bottom: 1.5rem;
    padding-left: 2rem;
}

li {
    margin-bottom: 0.5rem;
}

hr {
    margin-top: 1rem;
    margin-bottom: 1rem;
    border: none;
    border-top: 4px solid;
    color: var(--neutral-color);
}

blockquote {
    border-left: 0.25rem solid var(--neutral-color);
    padding: 0 1rem;
    color: var(--muted-fg-color);
}

pre {
    background: var(--code-bg-color);
}

code {
    background: var(--code-bg-color);
    padding: 5px;
}

pre code {
    color: var(--code-bg-color);
}

a {
    color: var(--link-color);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

/* Tables */

table {
    border-collapse: collapse;
}

th, td {
    padding: 6px 13px;
    border: 1px solid var(--neutral-color);
}

/* Header anchor links */

a.toclink {
    color: inherit;
    text-decoration: none;
}

a.toclink:hover::after {
    content: "#";
    margin: 0 0.8rem;
    color: var(--neutral-color);
}

/* Alerts */

.admonition           { border-left: 5px solid; padding-left: 20px;}

.admonition.note      { border-left-color: var(--accent-note); }
.admonition.tip       { border-left-color: var(--accent-tip); }
.admonition.important { border-left-color: var(--accent-important); }
.admonition.warning   { border-left-color: var(--accent-warning); }
.admonition.caution   { border-left-color: var(--accent-caution); }

.admonition           .admonition-title { font-weight: 600; margin: 0 0 .5em; }

.admonition.note      .admonition-title { color: var(--accent-note); }
.admonition.tip       .admonition-title { color: var(--accent-tip); }
.admonition.important .admonition-title { color: var(--accent-important); }
.admonition.warning   .admonition-title { color: var(--accent-warning); }
.admonition.caution   .admonition-title { color: var(--accent-caution); }

/* Navigation styling */

nav ul {
    padding: 0;
    margin: 0;
}

nav li {
    padding: 0;
    margin: 0.5rem 0;
    display: block;
}

nav li a {
    color: var(--fg-color);
}

nav li a.active {
    color: var(--link-color);
}

nav li a:hover {
    color: var(--link-color);
    text-decoration: none;
}

nav.right li a {
    color: var(--muted-fg-color);
}

nav.right li a:hover {
    color: var(--fg-color);
    text-decoration: none;
}

/* Pagination styling */

div.pagination {
    height: 1.5rem;
    border-top: 3px solid var(--neutral-color);
    padding: 1rem 0;
}

div.pagination a.previous {
    float: left;
    text-decoration: none;
}

div.pagination a.next {
    float: right;
    text-decoration: none;
}