/* Typography and palette */
:root {
  --font-body: 1rem;
  --font-lead: 1.05rem;
  --font-section-h2: 1.1875rem;
  --font-section-h3: 1.0625rem;
  --font-compact: 1rem;
  --font-detail: 1.0125rem;
  --font-code: 0.875rem;
  --font-code-inline: 0.9375em;

  --line-body: 1.5;
  --line-tight: 1.35;
  --line-compact: 1.25;

  --text: #2E1A47;
  --text-muted: #453a58;
  --heading-1: #6e181a;
  --heading-2: #6e2f42;
  --heading-3: #0f2d4a;
  --heading-4: #245a50;
  --heading-5: #334f55;
  --accent-event: #6e2f42;
  --accent-talk: #1f5c52;
  --link: #023d3d;
  --link-visited: #164d32;
  --link-hover: #012929;
  --bg: #fcf3f2;
  --border: rgba(46, 26, 71, 0.22);
  --width-site: min(calc(90ch + 0.5rem), 100% - 7.5rem);
}

/* Site shell */
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: var(--font-body);
  line-height: var(--line-body);
  min-height: 100vh;
  max-width: var(--width-site);
  padding: 0 1rem 2rem;
  margin: auto;
  color: var(--text);
  background: var(--bg);
}

.site-wrap {
  width: 100%;
}

main {
  margin: 0;
}

/* Page header */
.site-header {
  margin-bottom: 0.5rem;
}

.site-header h1 {
  font-size: 1.5rem;
  font-weight: 600;
  text-align: left;
  margin-top: 0.75rem;
  margin-bottom: 0.35rem;
  line-height: 1.3;
  color: var(--heading-1);
}

.site-subtitle {
  font-size: var(--font-lead);
  font-weight: normal;
  text-align: left;
  margin: 0 0 0.5rem;
  line-height: 1.4;
  color: var(--text);
}

.site-subtitle p {
  margin: 0;
}

/* Navigation */
.site-nav {
  margin: 0.25rem 0 1rem;
  padding: 0.35rem 0 0.5rem;
  border-bottom: 1px solid var(--border);
}

.site-nav-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.15rem 0.25rem;
}

.site-nav-item {
  display: inline-block;
  margin: 0;
}

.site-nav-link {
  display: inline-block;
  font-size: var(--font-body);
  text-decoration: none;
  padding: 0.5rem 0.75rem;
  color: var(--link);
}

.site-nav-link:visited {
  color: var(--link-visited);
}

.site-nav-link:hover,
.site-nav-link--active {
  color: var(--link-hover);
  text-decoration: underline;
  font-weight: 600;
}

/* Content */
.site-content {
  margin-top: 0.5rem;
}

.site-content p {
  margin-top: 0;
  margin-bottom: 1rem;
}

.site-content ul {
  padding-left: 1.5rem;
}

.site-content ul li {
  margin-bottom: 0.35rem;
}

.site-content time {
  font-size: var(--font-body);
  color: var(--text-muted);
}

/* tightl: flat lists (publications, research bullets) */
.site-content.tightl {
  font-size: var(--font-body);
  line-height: var(--line-tight);
}

.site-content.tightl > ul > li,
.site-content.tightl h2 + ul > li {
  margin-bottom: 0.28rem;
}

.site-content.tightl > ul > li:last-child,
.site-content.tightl h2 + ul > li:last-child {
  margin-bottom: 0;
}

.site-content.tightl > ul > li > p,
.site-content.tightl h2 + ul > li > p {
  margin: 0 0 0.28rem;
}

.site-content.tightl > ul > li:last-child > p,
.site-content.tightl h2 + ul > li:last-child > p {
  margin-bottom: 0;
}

.site-content.tightl h2 + ul {
  margin-bottom: 0.35rem;
}

/* tightl + compact-list: top-level outline items only (nested subitems unchanged) */
.site-content.tightl .outline-list > ul > li,
.site-content.tightl .outline-list > ol > li {
  margin-bottom: 0.4rem;
}

.site-content.tightl .outline-list > ul,
.site-content.tightl .outline-list > ol {
  margin-bottom: 0.45rem;
}

/* Home news/posts feed */
.site-content ul.feed-list {
  list-style: none;
  padding-left: 0;
  margin-top: 0.25rem;
  margin-bottom: 0;
  font-size: var(--font-compact);
  line-height: var(--line-compact);
}

.site-content ul.feed-list > li.feed-item {
  display: grid;
  grid-template-columns: 7.25rem minmax(0, 1fr);
  column-gap: 0.5rem;
  align-items: baseline;
  margin-bottom: 0.05rem;
  padding: 0.1rem 0;
}

.site-content ul.feed-list .feed-date {
  font-size: inherit;
  color: var(--text-muted);
  font-variant-numeric: tabular-nums;
  text-align: right;
  white-space: nowrap;
}

.site-content ul.feed-list .feed-link {
  text-decoration: underline;
}

img {
  max-width: 90%;
  max-height: 400px;
  margin: auto;
  display: block;
}

/* Content headings (publications, presentations, posts, ...) */
.site-content h2 {
  font-size: var(--font-section-h2);
  font-weight: 600;
  line-height: 1.2;
  margin: 1.25rem 0 0.5rem;
  color: var(--heading-2);
}

.site-content h3 {
  font-size: var(--font-section-h3);
  font-weight: 600;
  line-height: 1.2;
  margin: 1rem 0 0.35rem;
  color: var(--heading-3);
}

.site-content h4 {
  font-size: var(--font-body);
  font-weight: 600;
  margin: 0.75rem 0 0.35rem;
  color: var(--heading-4);
}

.site-content h5,
.site-content h6 {
  font-size: var(--font-body);
  margin: 0.5rem 0 0.25rem;
  color: var(--heading-5);
}

a {
  color: var(--link);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.15em;
}

a:visited {
  color: var(--link-visited);
}

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

footer {
  text-align: center;
  clear: both;
  margin-top: 2rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
}

.taglist {
  text-align: center;
  clear: both;
}

#prevart {
  float: left;
  text-align: left;
}

#nextart {
  float: right;
  text-align: right;
}

#nextart, #prevart {
  max-width: 33%;
}

/* Outline lists (presentations, CV) */
.outline-list > ul,
.outline-list > ol {
  list-style: none;
  padding-left: 0;
  margin: 0 0 0.75rem;
}

.outline-list > ul > li,
.outline-list > ol > li {
  margin-bottom: 0.65rem;
  line-height: var(--line-tight);
  color: var(--text);
}

.outline-list > ul > li > p {
  margin: 0 0 0.15rem;
  font-size: var(--font-body);
  line-height: var(--line-body);
  color: var(--text);
}

.outline-list > ul > li > p strong,
.outline-list > ul > li > strong {
  color: var(--accent-event);
  font-weight: 600;
}

.outline-list ul ul {
  list-style: circle;
  padding-left: 1.2rem;
  margin-top: 0.1rem;
  margin-bottom: 0;
}

.outline-list ul ul > li {
  font-size: var(--font-detail);
  line-height: var(--line-compact);
  margin-bottom: 0.06rem;
  color: var(--text-muted);
}

.outline-list ul ul > li em {
  color: var(--accent-talk);
  font-style: italic;
}

.outline-list ul ul > li:last-child {
  margin-bottom: 0;
}

/* Code */
.site-content :not(pre) > code {
  font-size: var(--font-code-inline);
  padding: 0.1em 0.35em;
  border-radius: 3px;
  background: rgba(46, 26, 71, 0.09);
}

.site-content .highlight {
  font-size: var(--font-code);
  line-height: 1.4;
  margin: 0.6rem 0 1rem;
  border-radius: 5px;
  overflow: hidden;
  border: 1px solid rgba(46, 26, 71, 0.16);
}

.site-content .highlight pre {
  margin: 0;
  padding: 0.6rem 0.85rem;
  overflow-x: auto;
}

.site-content .highlight .chroma,
.site-content .highlight code {
  font-size: inherit;
  line-height: inherit;
}

body.dark-mode .site-content :not(pre) > code {
  background: rgba(255, 222, 173, 0.1);
}

body.dark-mode .site-content .highlight {
  border-color: rgba(255, 222, 173, 0.12);
}

.js-toggle-wrapper {
  margin: 1.15rem auto 1.15rem;
}