:root {
    --font-body: Menlo, Monaco, Consolas, "Courier New", monospace;
    --font-heading: system-ui, -apple-system, "Segoe UI", Roboto,
        "Helvetica Neue", Arial, sans-serif;
    --color-bg: #ffffff;
    --color-text: #4b5563;
    --color-heading: #2a4c7f;
    --color-link: #2a4c7f;
    --color-link-hover: #1e3a66;
    --color-code: #4b5563;
    --color-code-bg: #eff1f3;
    --color-border: #d3d7dc;
    --color-blockquote-border: #d3d7dc;
    --color-blockquote-text: #5a6268;
    --color-meta: #4f7c5b;
    --color-separator: #d3d7dc;
    --base-font-size: 1.6rem;
    --line-height-base: 1.6;
    --line-height-heading: 1.2;
    --content-max-width: 100rem;
    --spacing-unit: 2rem;
}

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

html {
    font-size: 62.5%;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    font-size: var(--base-font-size);
    line-height: var(--line-height-base);
    color: var(--color-text);
    background-color: var(--color-bg);
    max-width: var(--content-max-width);
    margin: var(--spacing-unit) auto;
    padding: 0 var(--spacing-unit);
}

p {
    margin-bottom: var(--spacing-unit);
}

h1,
h2,
h3 {
    font-family: var(--font-heading);
    font-weight: bold;
    line-height: var(--line-height-heading);
    color: var(--color-heading);
    text-rendering: optimizeLegibility;
    margin: calc(var(--spacing-unit) * 2) 0 var(--spacing-unit);
}

h1 {
    font-size: 2.8rem;
}
h2 {
    font-size: 2.4rem;
}
h3 {
    font-size: 2rem;
}

.title {
    font-size: 3.2rem;
    margin-bottom: calc(var(--spacing-unit) * 1.5);
    margin-top: calc(var(--spacing-unit) * 3);
    color: var(--color-heading);
}

b,
strong {
    font-weight: bold;
    color: var(--color-heading);
}

i,
em {
    font-style: italic;
}

hr {
    border: 0;
    border-top: 1px solid var(--color-separator);
    margin: calc(var(--spacing-unit) * 2) 0;
}

ul,
ol {
    margin: 0 0 var(--spacing-unit) var(--spacing-unit);
    padding-left: calc(var(--spacing-unit) * 1.5);
}

li {
    margin-bottom: calc(var(--spacing-unit) / 4);
}

code {
    font-family: var(--font-body);
    color: var(--color-code);
    background-color: var(--color-code-bg);
    font-size: 0.9em;
    padding: 0.2em 0.4em;
    border-radius: 3px;
}

pre {
    display: block;
    margin: 0 0 var(--spacing-unit);
    padding: var(--spacing-unit);
    border-radius: 3px;
    font-size: 1.5rem;
    line-height: 1.7;
    background-color: var(--color-code-bg);
    border: 1px solid var(--color-border);
    white-space: pre-wrap;
    word-break: break-all;
    overflow-x: auto;
}

pre code {
    padding: 0;
    background-color: transparent;
    color: inherit;
    font-size: inherit;
    border-radius: 0;
}

blockquote {
    padding: 0 0 0 var(--spacing-unit);
    margin: 0 0 var(--spacing-unit) 0;
    color: var(--color-blockquote-text);
    border-left: 5px solid var(--color-blockquote-border);
}

blockquote p:last-child {
    margin-bottom: 0;
}

img {
    display: block;
    max-width: 100%;
    height: auto;
    margin: 0 0 var(--spacing-unit);
    border-radius: 5px;
}

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

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

table {
    line-height: var(--line-height-base);
    margin-bottom: var(--spacing-unit);
    width: 100%;
    border-collapse: collapse;
}

table th,
table td {
    padding: calc(var(--spacing-unit) / 2) var(--spacing-unit);
    border: 1px solid var(--color-border);
    text-align: left;
}

table th {
    font-weight: bold;
    background-color: var(--color-code-bg);
}

table th.right,
table td.right {
    text-align: right;
}
table th.center,
table td.center {
    text-align: center;
}

.masthead {
    color: var(--color-meta);
    padding-bottom: var(--spacing-unit);
    margin-bottom: var(--spacing-unit);
    border-bottom: 1px solid var(--color-separator);
}

.masthead a {
    color: var(--color-heading);
}

.masthead ul {
    list-style: none;
    margin: 0;
    padding: 0;
}
.masthead li {
    display: inline-block;
    margin: 0;
}
.masthead li + li::before {
    display: inline-block;
    content: "\00B7 \00a0";
    color: var(--color-border);
}

#searchform {
    position: absolute;
    top: 54px;
    right: 30.4%;
}
#searchform #s {
    background: url("/media/img/search.png") no-repeat 5px 6px;
    box-shadow: inset 0 1px 1px rgba(0, 0, 0, 0.1);
    border: 1px solid var(--color-border);
    border-radius: 2px;
    width: 90px;
    height: 30px;
    line-height: 1.2rem;
    padding: 4px 10px 4px 28px;
    font-family: var(--font-body);
    font-size: 1.4rem;
    transition:
        width 400ms ease,
        background-color 400ms ease;
}
#searchform #s:focus {
    background-color: #f9f9f9;
    width: 160px;
    outline: none;
    border-color: var(--color-link);
}

.masthead img.avatar {
    position: relative;
    float: right;
    margin-top: -100px;
    margin-bottom: -100%;
    margin-right: 10%;
    width: 200px;
    background-color: var(--color-bg);
    border-radius: 50%;
    border: 3px solid var(--color-bg);
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
}

.post {
    position: relative;
    margin-bottom: calc(var(--spacing-unit) * 2);
    padding-bottom: calc(var(--spacing-unit) * 2);
    border-bottom: 1px solid var(--color-separator);
}
.post:last-of-type {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.post-meta {
    margin-bottom: var(--spacing-unit);
}
.post-info {
    display: inline-block;
    color: var(--color-meta);
    font-size: 1.4rem;
}
.post-info + .post-info::before {
    content: "\2223 \00a0";
    color: var(--color-border);
}

#table-of-contents {
    position: fixed;
    right: 1em;
    top: 1em;
    border: 1px solid var(--color-border);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
    border-radius: 4px;
    background-color: var(--color-bg);
    max-height: 80vh;
    overflow: auto;
    z-index: 200;
    max-width: 45em;
    font-size: 1.2rem;
    padding-bottom: 0.5em;
}
#table-of-contents h2 {
    font-weight: bold;
    font-size: 1.3rem;
    padding: 0.6em 1em;
    margin: 0;
    background-color: var(--color-code-bg);
    border-bottom: 1px solid var(--color-border);
    column-span: all;
    -webkit-column-span: all;
    color: var(--color-heading);
}
#table-of-contents ul {
    margin: 0;
    padding: 0.5em 0;
    list-style: none;
    column-count: 2;
    column-gap: 1.5em;
    padding-left: 1em;
    padding-right: 1em;
}
#table-of-contents li {
    padding: 0;
    margin: 0;
    break-inside: avoid;
    page-break-inside: avoid;
}
#table-of-contents li a {
    display: block;
    padding: 0.25em 0.5em;
    color: var(--color-link);
    text-decoration: none;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    line-height: 1.4;
}
#table-of-contents li a:hover {
    background-color: var(--color-code-bg);
    color: var(--color-link-hover);
    text-decoration: none;
}

.footer {
    margin: calc(var(--spacing-unit) * 3) 0 var(--spacing-unit);
    text-align: center;
    font-size: 1.4rem;
    color: var(--color-meta);
    border-top: 1px solid var(--color-separator);
    padding-top: var(--spacing-unit);
}
.footer p {
    margin: 0 0 calc(var(--spacing-unit) / 2);
    line-height: var(--line-height-base);
}

#sommaire + .row {
    display: flex;
    flex-wrap: wrap;
    width: 100%;
    box-sizing: border-box;
}
#sommaire + .row .column {
    width: 48%;
    float: none;
    display: block;
    margin: 1%;
    padding: 0;
    box-sizing: border-box;
}
#sommaire + .row .column > ul,
#sommaire + .row .column > li ul {
    margin-top: 2px;
    margin-bottom: 2px;
    padding-left: 1.5em;
}
#sommaire + .row .column li {
    margin-bottom: 1px;
    line-height: 1.4;
    list-style: none;
    padding: 0;
}
#sommaire + .row .column > li > a {
    font-weight: bold;
}
#sommaire + .row .column li a {
}

@media (max-width: 767px) {
    body {
        width: auto;
        margin: var(--spacing-unit) auto;
        padding: 0 calc(var(--spacing-unit) / 2);
        font-size: 1.5rem;
    }
    h1 {
        font-size: 2.4rem;
    }
    h2 {
        font-size: 2rem;
    }
    h3 {
        font-size: 1.8rem;
    }
    .masthead img.avatar {
        display: none;
    }
    #searchform {
        position: static;
        margin-bottom: var(--spacing-unit);
    }
    #table-of-contents {
        position: static;
        max-width: none;
        width: 100%;
        margin-bottom: var(--spacing-unit);
        max-height: none;
        border-radius: 4px;
    }
    pre {
        font-size: 1.4rem;
    }
    #sommaire + .row {
        display: block;
    }
    #sommaire + .row .column {
        width: 100%;
        margin: 0 0 10px 0;
    }
}

@media (min-width: 768px) {
    body {
        font-size: 1.7rem;
        line-height: 1.7;
    }
}