@import url("https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap");

:root {
    --bg-body: #ffffff;
    --bg-sec: #f7f8fb;
    --text-main: #2d3748;
    --text-muted: #8896a8;
    --border-color: #e4e8ee;
    --accent-primary: #3b5998;
    --accent-hover: #4a6bb5;
    --card-bg: #ffffff;
    --card-shadow: 0 1px 3px rgba(59, 89, 152, 0.07), 0 1px 2px rgba(0, 0, 0, 0.04);
    --card-shadow-hover: 0 8px 24px rgba(59, 89, 152, 0.1), 0 2px 6px rgba(0, 0, 0, 0.05);
    --code-bg: #f7f8fb;
    --code-text: #2d3748;
    --inline-code-text: #b5544a;
    --table-row-alt: #fafbfd;
    --font-body: "Inter", system-ui, -apple-system, sans-serif;
    --font-mono: "JetBrains Mono", Menlo, Monaco, Consolas, monospace;
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;

    --color-text: #4a5568;
    --color-heading: #2d3748;
    --color-link: #3b5998;
    --color-link-hover: #4a6bb5;
    --color-code: #b5544a;
    --color-code-bg: #f7f8fb;
    --color-border: #e4e8ee;
    --color-blockquote-border: #e4e8ee;
    --color-blockquote-text: #8896a8;
    --color-meta: #8896a8;
    --color-separator: #e4e8ee;
    --color-bg: #fff;
    --font-heading: "Inter", system-ui, sans-serif;
    --base-font-size: 0.95rem;
    --line-height-base: 1.7;
    --line-height-heading: 1.3;
    --content-max-width: 860px;
    --spacing-unit: 1.25rem;
}

[data-theme="dark"] {
    --bg-body: #141821;
    --bg-sec: #1a1f2e;
    --text-main: #c8cdd5;
    --text-muted: #6b7a8d;
    --border-color: #252b3a;
    --accent-primary: #7b8fc9;
    --accent-hover: #95a5d6;
    --card-bg: #1a1f2e;
    --card-shadow: 0 1px 3px rgba(0, 0, 0, 0.2), 0 1px 2px rgba(0, 0, 0, 0.12);
    --card-shadow-hover: 0 8px 24px rgba(0, 0, 0, 0.25), 0 2px 6px rgba(0, 0, 0, 0.15);
    --code-bg: #1e2433;
    --code-text: #c8cdd5;
    --inline-code-text: #d4846a;
    --table-row-alt: #181d28;
    --color-text: #c8cdd5;
    --color-heading: #c8cdd5;
    --color-link: #7b8fc9;
    --color-link-hover: #95a5d6;
    --color-code: #d4846a;
    --color-code-bg: #1e2433;
    --color-border: #252b3a;
    --color-blockquote-border: #252b3a;
    --color-blockquote-text: #6b7a8d;
    --color-meta: #6b7a8d;
    --color-separator: #252b3a;
    --color-bg: #141821;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    font-size: var(--base-font-size);
    line-height: var(--line-height-base);
    color: var(--text-main);
    background-color: var(--bg-body);
    max-width: var(--content-max-width);
    margin: 0 auto;
    padding: 3rem 2rem;
    transition: background-color 0.3s ease, color 0.3s ease;
}

p {
    margin-bottom: 1rem;
}

h1, h2, h3 {
    font-family: var(--font-body);
    line-height: var(--line-height-heading);
    color: var(--text-main);
    text-rendering: optimizeLegibility;
}

h1 {
    font-size: 2.8rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    margin: 0 0 0.5rem;
}

h2 {
    font-size: 1.5rem;
    font-weight: 600;
    letter-spacing: -0.01em;
    color: var(--accent-primary);
    margin: 3.5rem 0 1rem;
}

h3 {
    font-size: 1.15rem;
    font-weight: 600;
    margin: 2rem 0 0.5rem;
}

h4 {
    font-size: 1rem;
    font-weight: 500;
    font-style: italic;
    color: var(--text-muted);
    margin: 1.5rem 0 0.4rem;
}

.title {
    font-size: 2.8rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    margin: 2rem 0 0.5rem;
}

b, strong {
    font-weight: 600;
    color: var(--color-heading);
}

i, em {
    font-style: italic;
}

hr {
    border: 0;
    border-top: 1px solid var(--border-color);
    margin: 2.5rem 0;
}

ul, ol {
    margin: 0 0 1rem;
    padding-left: 1.5rem;
}

li {
    margin-bottom: 0.25rem;
}

a {
    color: var(--accent-primary);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s;
}

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

code {
    font-family: var(--font-mono);
    color: var(--inline-code-text);
    font-size: 0.9em;
    padding: 0.15em 0.35em;
    border-radius: var(--radius-sm);
}

pre {
    display: block;
    margin: 0 0 1.25rem;
    padding: 1.2rem 1.4rem;
    border-radius: var(--radius-md);
    font-family: var(--font-mono);
    font-size: 0.85rem;
    line-height: 1.7;
    background-color: var(--code-bg);
    color: var(--code-text);
    white-space: pre-wrap;
    word-break: break-all;
    overflow-x: auto;
}

pre code {
    padding: 0;
    background-color: transparent;
    color: inherit;
    font-size: 1em;
    border-radius: 0;
}

blockquote {
    padding: 0 0 0 1.25rem;
    margin: 0 0 1.25rem 0;
    color: var(--text-muted);
    border-left: 2px solid var(--accent-primary);
}

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

img {
    display: block;
    max-width: 100%;
    height: auto;
    margin: 0 0 1.25rem;
    border-radius: var(--radius-md);
}

table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.5rem 0;
    font-size: 0.9rem;
    line-height: var(--line-height-base);
}

th, td {
    padding: 0.6rem 0.9rem;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

th {
    font-weight: 600;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--text-muted);
}

tr:last-child td {
    border-bottom: none;
}

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


header {
    text-align: center;
    margin-bottom: 3rem;
    position: relative;
}

.theme-toggle {
    position: absolute;
    top: 0;
    right: 0;
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-muted);
    width: 2rem;
    height: 2rem;
    padding: 0;
    border-radius: 50%;
    cursor: pointer;
    font-family: inherit;
    font-size: 0.85rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
}

.theme-toggle:hover {
    color: var(--text-main);
    border-color: var(--accent-primary);
}

.files-section {
    background: var(--bg-sec);
    padding: 1.25rem 1.5rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--card-shadow);
    margin-bottom: 2rem;
}

.files-section h3 {
    margin-top: 0;
    margin-bottom: 0.75rem;
    font-size: 1rem;
}

.file-list {
    list-style: none;
    padding: 0;
    margin: 0 0 1rem;
}

.file-list li {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.4rem 0;
    font-size: 0.9rem;
}

.file-list li + li {
    border-top: 1px solid var(--border-color);
}

.file-list .file-icon {
    color: var(--text-muted);
    width: 1rem;
    text-align: center;
    flex-shrink: 0;
    font-size: 0.85rem;
}

.file-list .file-desc {
    color: var(--text-muted);
    font-size: 0.85rem;
    margin-left: auto;
    padding-left: 1rem;
}

.demo-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 0.5rem;
}

.demo-card {
    background: var(--card-bg);
    border-radius: var(--radius-md);
    padding: 0.6rem 0.8rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    box-shadow: var(--card-shadow);
    transition: box-shadow 0.2s;
    font-size: 0.85rem;
}

.demo-card:hover {
    box-shadow: var(--card-shadow-hover);
}

.demo-card strong {
    font-size: 0.85rem;
    font-weight: 500;
}

.demo-links {
    display: flex;
    gap: 6px;
    font-size: 0.8rem;
}

.abstract {
    font-size: 1.02rem;
    line-height: 1.8;
    color: var(--text-muted);
    border-left: 2px solid var(--accent-primary);
    padding-left: 1.25rem;
    margin: 2rem 0;
}

nav.toc-nav {
    background: var(--bg-sec);
    padding: 1.25rem 1.5rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--card-shadow);
}

nav.toc-nav h3 {
    margin-top: 0;
    margin-bottom: 0.75rem;
}

ul.multicolumn {
    columns: 2;
    column-gap: 2rem;
}

.profiles-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 0.75rem;
}

.profile-item {
    background: var(--card-bg);
    padding: 1rem 1.2rem;
    border-radius: var(--radius-md);
    box-shadow: var(--card-shadow);
    transition: box-shadow 0.2s, transform 0.2s;
}

.profile-item:hover {
    box-shadow: var(--card-shadow-hover);
    transform: translateY(-1px);
}

.profile-item strong {
    color: var(--accent-primary);
    display: block;
    margin-bottom: 4px;
    font-size: 0.88rem;
}

footer {
    margin-top: 4rem;
    padding-top: 1.5rem;
    text-align: center;
    color: var(--text-muted);
    font-size: 0.85rem;
}

.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: var(--radius-sm);
    width: 90px; height: 30px;
    line-height: 1.2rem;
    padding: 4px 10px 4px 28px;
    font-family: var(--font-mono);
    font-size: 0.875rem;
    transition: width 400ms ease, background-color 400ms ease;
}
#searchform #s:focus { background-color: #f9f9f9; width: 160px; outline: none; border-color: var(--accent-primary); }

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

.post {
    position: relative;
    margin-bottom: 2.5rem;
    padding-bottom: 2.5rem;
    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: 0.875rem; }
.post-info + .post-info::before { content: "\2223 \00a0"; color: var(--color-border); }

#table-of-contents {
    position: fixed; right: 1em; top: 1em;
    box-shadow: var(--card-shadow-hover);
    border-radius: var(--radius-md);
    background-color: var(--bg-body);
    max-height: 80vh; overflow: auto; z-index: 200;
    max-width: 45em; font-size: 0.75rem; padding-bottom: 0.5em;
}
#table-of-contents h2 {
    font-weight: 600; font-size: 0.8rem;
    padding: 0.6em 1em; margin: 0;
    background-color: var(--code-bg);
    border-bottom: 1px solid var(--border-color);
    column-span: all; -webkit-column-span: all;
}
#table-of-contents ul {
    margin: 0; padding: 0.5em 1em;
    list-style: none; column-count: 2; column-gap: 1.5em;
}
#table-of-contents li { padding: 0; margin: 0; break-inside: avoid; }
#table-of-contents li a {
    display: block; padding: 0.25em 0.5em;
    color: var(--accent-primary); text-decoration: none;
    white-space: nowrap; overflow: hidden; text-overflow: ellipsis; line-height: 1.4;
}
#table-of-contents li a:hover {
    background-color: var(--code-bg); color: var(--accent-hover); text-decoration: none;
}

.footer {
    margin: 3rem 0 1rem;
    text-align: center;
    font-size: 0.85rem;
    color: var(--text-muted);
}
.footer p { margin: 0 0 0.5rem; line-height: var(--line-height-base); }

#sommaire + .row { display: flex; flex-wrap: wrap; width: 100%; }
#sommaire + .row .column { width: 48%; display: block; margin: 1%; padding: 0; }
#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; }

pre code.hljs {
    background: transparent;
    padding: 0;
    color: var(--code-text);
}

.hljs {
    color: var(--code-text);
    background: var(--code-bg);
}

.hljs-keyword,
.hljs-selector-tag,
.hljs-name {
    color: var(--accent-primary);
    font-weight: 600;
}

.hljs-title,
.hljs-title.function_,
.hljs-title.class_ {
    color: #8854a0;
}

[data-theme="dark"] .hljs-title,
[data-theme="dark"] .hljs-title.function_,
[data-theme="dark"] .hljs-title.class_ {
    color: #b48ead;
}

.hljs-section {
    color: var(--inline-code-text);
    font-weight: 500;
}

.hljs-string,
.hljs-attr {
    color: #688f4e;
}

[data-theme="dark"] .hljs-string,
[data-theme="dark"] .hljs-attr {
    color: #a3be8c;
}

.hljs-comment {
    color: var(--text-muted);
    font-style: italic;
}

.hljs-built_in,
.hljs-tag {
    color: var(--inline-code-text);
}

.hljs-number,
.hljs-literal {
    color: #8854a0;
}

[data-theme="dark"] .hljs-number,
[data-theme="dark"] .hljs-literal {
    color: #b48ead;
}

.hljs-params {
    color: var(--text-main);
}

.hljs-meta,
.hljs-formula {
    color: var(--text-muted);
}

.hljs-symbol {
    color: var(--accent-primary);
}

@media (max-width: 768px) {
    body { padding: 1.5rem 1rem; }
    h1 { font-size: 2rem; }
    h2 { font-size: 1.3rem; }
    h3 { font-size: 1.05rem; }
    ul.multicolumn { columns: 1; }
    .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; }
    #sommaire + .row { display: block; }
    #sommaire + .row .column { width: 100%; margin: 0 0 10px 0; }
}