/*
	Arthur Lebeurrier — personal site
	Custom minimal layout, inspired by academic personal pages
	(e.g. https://b-zhao.github.io/)
*/

@import url("font-awesome.min.css");
@import url("https://fonts.googleapis.com/css2?family=Source+Serif+4:ital,wght@0,400;0,600;1,400&family=Inter:wght@400;500;600&display=swap");

:root {
	--text: #222222;
	--muted: #6b6b6b;
	--accent: #8c1515;
	--border: #e6e6e6;
	--bg: #ffffff;
	--bg-alt: #faf9f7;
	--max-width: 780px;
	--sidebar-width: 240px;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
	margin: 0;
	font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
	color: var(--text);
	background: var(--bg);
	font-size: 16px;
	line-height: 1.65;
}

h1, h2, h3, h4 {
	font-family: "Source Serif 4", Georgia, serif;
	font-weight: 600;
	line-height: 1.25;
	color: var(--text);
}

a {
	color: var(--accent);
	text-decoration: none;
	border-bottom: 1px solid rgba(140, 21, 21, 0.28);
}

a:hover { border-bottom-color: var(--accent); }

.page {
	display: flex;
	align-items: flex-start;
	max-width: 1100px;
	margin: 0 auto;
	padding: 48px 24px 80px;
	gap: 56px;
}

/* Sidebar */

.sidebar {
	position: sticky;
	top: 48px;
	flex: 0 0 var(--sidebar-width);
	width: var(--sidebar-width);
	text-align: center;
}

.sidebar .avatar {
	width: 168px;
	height: 168px;
	object-fit: cover;
	border-radius: 50%;
	display: block;
	margin: 0 auto 18px;
	border: 1px solid var(--border);
}

.sidebar h1 {
	font-size: 1.35rem;
	margin: 0 0 4px;
}

.sidebar .tagline {
	font-size: 0.88rem;
	color: var(--muted);
	margin: 0 0 16px;
	line-height: 1.5;
}

.social-links {
	list-style: none;
	margin: 0 0 24px;
	padding: 0;
	display: flex;
	justify-content: center;
	gap: 14px;
}

.social-links a {
	border-bottom: none;
	color: var(--text);
	font-size: 1.15rem;
}

.social-links a:hover { color: var(--accent); }

.site-nav {
	display: flex;
	flex-direction: column;
	gap: 2px;
	text-align: left;
	border-top: 1px solid var(--border);
	padding-top: 16px;
}

.site-nav a {
	border-bottom: none;
	color: var(--text);
	font-size: 0.92rem;
	padding: 6px 10px;
	border-radius: 5px;
}

.site-nav a:hover,
.site-nav a.active {
	background: var(--bg-alt);
	color: var(--accent);
}

/* Content */

.content {
	flex: 1 1 auto;
	min-width: 0;
	max-width: var(--max-width);
}

.content > section {
	margin-bottom: 52px;
	scroll-margin-top: 24px;
}

#about p { margin: 0 0 14px; }

.content h2 {
	font-size: 1.3rem;
	margin: 0 0 18px;
	padding-bottom: 8px;
	border-bottom: 1px solid var(--border);
}

.badge-beta {
	font-family: "Inter", sans-serif;
	font-size: 0.62rem;
	font-weight: 600;
	letter-spacing: 0.04em;
	text-transform: uppercase;
	color: var(--accent);
	border: 1px solid var(--accent);
	border-radius: 999px;
	padding: 2px 8px;
	vertical-align: middle;
	margin-left: 8px;
	position: relative;
	top: -3px;
}

/* News list */

.news-list {
	list-style: none;
	margin: 0;
	padding: 0;
}

.news-list li {
	display: flex;
	gap: 18px;
	padding: 11px 0;
	border-bottom: 1px solid var(--border);
}

.news-list li:last-child { border-bottom: none; }

.news-list time {
	flex: 0 0 92px;
	color: var(--muted);
	font-size: 0.85rem;
	padding-top: 2px;
}

.news-list .news-text { flex: 1 1 auto; }

/* Publications / software */

.pub {
	margin-bottom: 26px;
	padding-bottom: 26px;
	border-bottom: 1px solid var(--border);
}

.pub:last-child { border: none; margin-bottom: 0; padding-bottom: 0; }

.pub h3 {
	font-size: 1.05rem;
	margin: 0 0 4px;
}

.pub .authors { margin: 0 0 4px; color: var(--text); }
.pub .venue { margin: 0 0 8px; color: var(--muted); font-size: 0.92rem; font-style: italic; }

.pub .links {
	display: flex;
	flex-wrap: wrap;
	gap: 8px 14px;
	margin: 8px 0;
	font-size: 0.88rem;
}

.pub .links a { border-bottom: 1px solid rgba(140,21,21,0.28); }

.pub details summary {
	cursor: pointer;
	color: var(--muted);
	font-size: 0.88rem;
	margin-top: 6px;
}

.pub details p { font-size: 0.94rem; }

/* Tables (teaching / CV) */

.table-wrapper { overflow-x: auto; }

table.plain {
	width: 100%;
	border-collapse: collapse;
	font-size: 0.94rem;
}

table.plain td {
	padding: 9px 12px 9px 0;
	border-bottom: 1px solid var(--border);
	vertical-align: top;
}

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

table.plain td:first-child {
	white-space: nowrap;
	color: var(--muted);
	width: 160px;
}

/* Blog */

.blog-post {
	border-bottom: 1px solid var(--border);
	padding-bottom: 24px;
	margin-bottom: 24px;
}

.blog-post:last-child { border: none; margin-bottom: 0; padding-bottom: 0; }

.blog-post summary {
	cursor: pointer;
	font-size: 1.05rem;
}

.blog-post summary strong { font-family: "Source Serif 4", serif; }

.blog-post .post-meta {
	color: var(--muted);
	font-size: 0.82rem;
	margin: 4px 0 0;
}

.blog-post .post-body { margin-top: 14px; }

.blog-post pre {
	background: var(--bg-alt);
	border: 1px solid var(--border);
	border-radius: 6px;
	padding: 12px 14px;
	overflow-x: auto;
	font-size: 0.85rem;
	line-height: 1.5;
}

.blog-post code {
	font-family: "SFMono-Regular", Consolas, Menlo, monospace;
	background: var(--bg-alt);
	padding: 1px 5px;
	border-radius: 4px;
	font-size: 0.87em;
}

.blog-post pre code { background: none; padding: 0; }

.blog-post table {
	border-collapse: collapse;
	width: 100%;
	margin: 12px 0;
	font-size: 0.9rem;
}

.blog-post th, .blog-post td {
	border: 1px solid var(--border);
	padding: 6px 10px;
	text-align: left;
}

.blog-post th { background: var(--bg-alt); }

/* Contact */

.contact-list {
	list-style: none;
	margin: 0;
	padding: 0;
}

.contact-list li {
	margin-bottom: 8px;
	padding-left: 26px;
	position: relative;
	color: var(--text);
}

.contact-list li i {
	position: absolute;
	left: 0;
	top: 3px;
	color: var(--accent);
	width: 18px;
}

.site-footer {
	max-width: 1100px;
	margin: 0 auto;
	padding: 0 24px 40px;
	color: var(--muted);
	font-size: 0.8rem;
	text-align: center;
}

/* Responsive */

@media (max-width: 860px) {
	.page {
		flex-direction: column;
		gap: 32px;
		padding-top: 32px;
	}
	.sidebar {
		position: static;
		width: 100%;
		flex: none;
		text-align: center;
	}
	.sidebar .avatar { width: 120px; height: 120px; }
	.site-nav {
		flex-direction: row;
		flex-wrap: wrap;
		justify-content: center;
		border-top: none;
		padding-top: 8px;
	}
	.content { max-width: 100%; }
	.news-list li { gap: 12px; }
	.news-list time { flex-basis: 76px; font-size: 0.78rem; }
}