/* Navy-and-mustard academic layout: sticky header, pill navigation, sidebar contents, dated entries. */
:root {
  --bg: #f7f9fa;
  --paper: #ffffff;
  --sky: #e8eff5;
  --sky-line: #bfd0de;
  --heading: #0b2447;
  --fill: #12305c;
  --fill-hover: #1d4a86;
  --amber: #d9a520;
  --peach: #f7ebc2;
  --peach-ink: #5b4308;
  --ink: #14202e;
  --body: #2c3a4d;
  --muted: #4c5b6b;
  --line: #dde6ec;
  --chip: #ebf1f5;
  --link: #12305c;
  --link-hover: #1d4a86;
  --author: #3b485c;
  --header-bg: rgba(247, 249, 250, 0.95);
  --hover-tint: rgba(15, 47, 92, 0.06);
  --footer-bg: #0b2447;
  --display: "Josefin Sans", "Avenir Next", "Century Gothic", "Trebuchet MS", sans-serif;
  --sans: "Source Sans 3", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

@media screen {
  :root[data-theme="dark"] {
    color-scheme: dark;
    --bg: #0f1722;
    --paper: #172230;
    --sky: #1e2c3d;
    --sky-line: #3a4d63;
    --heading: #e6eef7;
    --fill: #2a5a99;
    --fill-hover: #3a6fb5;
    --peach: #4a3a0e;
    --peach-ink: #f0d68a;
    --ink: #e3e9f0;
    --body: #c9d4df;
    --muted: #a3b3c3;
    --line: #2a3746;
    --chip: #223041;
    --link: #8fc1ff;
    --link-hover: #b5d6ff;
    --author: #b6c4d4;
    --header-bg: rgba(15, 23, 34, 0.95);
    --hover-tint: rgba(143, 193, 255, 0.08);
    --footer-bg: #0a1626;
  }
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { font-size: 15px; scroll-behavior: smooth; scroll-padding-top: 130px; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 17px/1.7 var(--sans); -webkit-font-smoothing: antialiased; }
a { color: var(--link); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--link-hover); text-decoration-thickness: 2px; }
h1, h2, h3, h4, h5 { font-family: var(--display); line-height: 1.2; margin: 0; color: var(--ink); font-weight: 600; letter-spacing: 0.005em; }
h1, h2 { font-weight: 700; }
h1, h2, h3 { color: var(--heading); }
p { margin: 0 0 1em; }
ul, ol { margin: 0; padding: 0; }
img { max-width: 100%; }
.wrap { max-width: 960px; margin: 0 auto; padding: 0 22px; }
.muted { color: var(--muted); }

/* Each page writes its own heading, so hide the one Quarto generates. */
body:has(.page-head, .hero) #title-block-header { display: none; }
#title-block-header { max-width: 960px; margin: 0 auto; padding: 40px 22px 0; }
#title-block-header h1 { font-size: 2.2rem; }

/* Pages without a .wrap (unlinked pages from the old template) still get the column. */
body:not(:has(.page-head, .hero)) > :not(.site-header, .site-footer, .theme-toggle, script) { max-width: 960px; margin-left: auto; margin-right: auto; padding-left: 22px; padding-right: 22px; }
body:not(:has(.page-head, .hero)) h2 { font-size: 1.6rem; margin: 28px 0 10px; }
body:not(:has(.page-head, .hero)) ul, body:not(:has(.page-head, .hero)) ol { padding-left: 1.3em; margin-bottom: 1em; }

/* header */
.site-header { position: sticky; top: 0; z-index: 10; background: var(--header-bg); backdrop-filter: blur(6px); border-top: 4px solid var(--fill); border-bottom: 1px solid var(--line); }
.bar { display: flex; align-items: center; justify-content: space-between; gap: 6px 16px; min-height: 62px; flex-wrap: wrap; padding-top: 8px; padding-bottom: 8px; }
.brand { font-family: var(--display); font-size: 1.25rem; font-weight: 700; color: var(--heading); text-decoration: none; letter-spacing: 0.01em; }
.brand:hover { color: var(--link); }
.nav { display: flex; align-items: center; gap: 2px 4px; flex-wrap: wrap; }
.nav a { color: var(--muted); text-decoration: none; padding: 4px 11px; border-radius: 999px; font-size: 0.95rem; font-weight: 500; }
.nav a:hover { color: var(--heading); background: var(--sky); }
.nav a.active { color: #fff; background: var(--fill); }
.nav summary { color: var(--muted); padding: 4px 11px; border-radius: 999px; font-size: 0.95rem; font-weight: 500; cursor: pointer; list-style: none; }
.nav summary::-webkit-details-marker { display: none; }
.nav summary::after { content: " ▾"; font-size: 0.8em; }
.nav summary:hover { color: var(--heading); background: var(--sky); }
.nav summary.active { color: #fff; background: var(--fill); }
.nav .nav-more { position: relative; margin: 0; }
.nav-menu { position: absolute; right: 0; top: calc(100% + 6px); min-width: 130px; display: flex; flex-direction: column; gap: 2px; padding: 6px; background: var(--paper); border: 1px solid var(--line); border-radius: 12px; box-shadow: 0 6px 18px rgba(11, 36, 71, 0.12); z-index: 20; }

/* light and dark switch */
.theme-toggle { -webkit-appearance: none; appearance: none; align-items: center; justify-content: center; width: 32px; height: 32px; padding: 0; color: var(--muted); background: var(--paper); border: 1px solid var(--sky-line); border-radius: 50%; cursor: pointer; }
.theme-toggle:hover { color: var(--heading); background: var(--sky); }
.theme-toggle:focus-visible { outline: 2px solid var(--link); outline-offset: 2px; }
.theme-toggle svg { width: 16px; height: 16px; display: block; }
.theme-toggle .icon-sun { display: none; }
:root[data-theme="dark"] .theme-toggle .icon-sun { display: block; }
:root[data-theme="dark"] .theme-toggle .icon-moon { display: none; }

/* hero */
.hero { display: grid; grid-template-columns: 1.35fr 0.85fr; gap: 64px; align-items: center; padding-top: 72px; padding-bottom: 72px; }
.overline { font-family: var(--mono); font-size: 0.8rem; letter-spacing: 0.06em; color: var(--link); font-weight: 500; margin-bottom: 14px; }
.hero .overline { letter-spacing: 0.04em; }
.hero h1 { font-size: clamp(2.2rem, 3.9vw, 2.9rem); letter-spacing: -0.01em; margin-bottom: 18px; }
.hero h1 a { color: inherit; text-decoration: none; }
.hero h1 a:hover { color: var(--link-hover); }
.lead { font-size: 1.25rem; line-height: 1.55; color: var(--body); max-width: 34em; }
.cta { display: flex; gap: 12px; flex-wrap: wrap; margin: 28px 0 18px; }
.btn { display: inline-block; padding: 10px 22px; border-radius: 999px; text-decoration: none; background: var(--fill); color: #fff; font-weight: 600; font-size: 0.95rem; border: 1.5px solid var(--fill); }
.btn:hover { background: var(--fill-hover); border-color: var(--link-hover); color: #fff; }
.btn.ghost { background: transparent; color: var(--link-hover); border-color: var(--sky-line); }
.btn.ghost:hover { background: var(--fill); border-color: var(--fill); color: #fff; }
.links { font-size: 0.95rem; color: var(--muted); }
.links a { margin-right: 14px; }
.portrait { margin: 0; position: relative; max-width: 280px; justify-self: end; width: 100%; }
.portrait::before { content: ""; position: absolute; inset: -10px; border: 3px solid var(--fill-hover); border-radius: 50%; }
.portrait-crop { position: relative; display: block; aspect-ratio: 1 / 1; border-radius: 50%; overflow: hidden; background: var(--chip); }
.portrait-crop::before { content: ""; position: absolute; inset: -12%; background: url("files/images/Dennis_Headshot.JPG") center top / cover no-repeat; filter: blur(14px); }
.portrait-crop img { position: relative; display: block; width: 88%; height: auto; aspect-ratio: 3 / 4; margin: 0 auto; -webkit-mask-image: linear-gradient(to right, transparent 0, #000 7%, #000 93%, transparent 100%); mask-image: linear-gradient(to right, transparent 0, #000 7%, #000 93%, transparent 100%); }

/* sections */
.section { padding-top: 56px; padding-bottom: 56px; border-top: 1px solid var(--line); }
.section h2 { font-size: 1.9rem; }
.cols { display: grid; grid-template-columns: 200px 1fr; gap: 32px; }
.prose { max-width: 40em; }
.prose h3 { font-size: 1.25rem; margin: 26px 0 8px; }
.prose ul, .prose ol { padding-left: 1.3em; margin-bottom: 1em; }
.prose li { margin-bottom: 4px; }
.section-head { display: flex; align-items: baseline; justify-content: space-between; gap: 16px; margin-bottom: 22px; flex-wrap: wrap; }
.more { font-size: 0.95rem; }
figure.photo { margin: 24px 0 0; max-width: 340px; }
figure.photo img { display: block; width: 100%; border-radius: 8px; }
figure.photo figcaption { color: var(--muted); font-size: 0.9rem; line-height: 1.45; margin-top: 8px; }
.spirit { font-family: var(--mono); font-size: 0.85rem; font-weight: 500; letter-spacing: 0.04em; color: var(--link); margin: 22px 0 0; }

/* page heads */
.page-head { padding-top: 56px; padding-bottom: 28px; }
.page-head h1 { font-size: clamp(2rem, 4.4vw, 3rem); margin-bottom: 14px; max-width: 20em; }
.page-head .lead { font-size: 1.12rem; max-width: 42em; }
.page-body { padding-bottom: 60px; }

/* papers */
.papers { list-style: none; }
.paper { padding: 16px 0; border-top: 1px solid var(--line); }
.paper:first-child { border-top: 0; }
.collab-note { padding: 16px 0; border-top: 1px solid var(--line); }
.collab-note p { color: var(--author); font-size: 0.95rem; margin: 6px 0 0; }
.paper-title { font-size: 1.15rem; font-weight: 700; line-height: 1.35; color: var(--heading); }
.paper-authors { color: var(--author); font-size: 0.95rem; margin-top: 4px; }
.me { color: var(--ink); font-weight: 700; }
.paper-venue { color: var(--muted); font-size: 0.93rem; margin-top: 6px; }
.plink { margin: 0 8px 0 4px; font-weight: 600; }
.chip { display: inline-block; font-family: var(--mono); font-size: 0.68rem; letter-spacing: 0.04em; text-transform: uppercase; font-weight: 500; padding: 2px 9px; border-radius: 999px; background: var(--chip); color: var(--muted); margin-right: 8px; vertical-align: 1px; }
.chip.published { background: var(--sky); color: var(--heading); }
.chip.preprint { background: var(--peach); color: var(--peach-ink); }
.chip.progress { background: transparent; border: 1px solid var(--sky-line); }

.paper-venue .chip { margin-right: 10px; }
.abs { margin-top: 8px; }
.abs summary { cursor: pointer; color: var(--link); font-weight: 600; }
.abs summary:hover { color: var(--link-hover); }

/* research areas */
.area-rows { border-bottom: 1px solid var(--line); }
.area-row { display: grid; grid-template-columns: 64px minmax(0, 1fr) minmax(0, 1.6fr); gap: 24px; align-items: baseline; padding: 20px 0; border-top: 1px solid var(--line); text-decoration: none; color: var(--ink); }
.area-row:hover { background: var(--hover-tint); color: var(--ink); }
.num { font-family: var(--mono); font-size: 1.2rem; color: var(--link); }
.area-title { font-family: var(--display); font-size: 1.2rem; font-weight: 600; color: var(--heading); }
.area-text { color: var(--muted); font-size: 0.98rem; }

/* home: beyond research */
.beyond { display: grid; grid-template-columns: minmax(0, 1fr) 190px; gap: 32px; align-items: start; }
.beyond figure.photo { margin: 0; }

.quote-wrap { padding-bottom: 36px; }

/* publication filters */
.filters { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin-top: 26px; }
.pill { font: inherit; font-size: 0.92rem; cursor: pointer; padding: 7px 16px; border-radius: 999px; border: 1px solid var(--sky-line); background: var(--paper); color: var(--heading); }
.pill span { color: var(--muted); margin-left: 4px; font-size: 0.85em; }
.pill:hover { border-color: var(--fill); }
.pill.active { background: var(--fill); color: #fff; border-color: var(--fill); }
.pill.active span { color: #c9dcf2; }
.search { font: inherit; font-size: 0.92rem; padding: 7px 14px; border-radius: 999px; border: 1px solid var(--sky-line); background: var(--paper); min-width: 240px; margin-left: auto; }
.search:focus, .pill:focus-visible { outline: 2px solid var(--fill); outline-offset: 2px; }
.empty { color: var(--muted); margin-top: 18px; }
.pubs { padding-bottom: 40px; }
.pub-group { padding: 26px 0 6px; border-top: 1px solid var(--line); display: grid; grid-template-columns: 120px 1fr; gap: 24px; }
.year { font-family: var(--display); font-weight: 700; line-height: 1.2; font-size: 1.45rem; color: var(--heading); align-self: start; padding-top: 10px; border-top: 3px solid var(--heading); margin-top: -27px; width: max-content; max-width: 100%; }

/* sidebar layout and dated entries */
.cv-layout { display: grid; grid-template-columns: 210px minmax(0, 1fr); gap: 40px; padding-bottom: 60px; }
.cv-toc { position: sticky; top: 130px; align-self: start; display: flex; flex-direction: column; gap: 2px; font-size: 0.93rem; line-height: 1.4; }
.cv-toc a { text-decoration: none; color: var(--muted); padding: 5px 10px; border-left: 3px solid var(--line); }
.cv-toc a:hover { color: var(--heading); border-left-color: var(--fill); }
.cv-section { padding: 6px 0 34px; }
.cv-section > h2 { font-size: 1.7rem; padding-bottom: 10px; border-bottom: 2px solid var(--sky-line); margin-bottom: 8px; }
.subhead { font-size: 1.15rem; color: var(--link); margin: 26px 0 6px; }
.entry { display: grid; grid-template-columns: 170px minmax(0, 1fr); gap: 22px; padding: 16px 0; border-top: 1px solid var(--line); }
.entry:first-child { border-top: 0; }
.entry.solo { grid-template-columns: minmax(0, 1fr); }
.entry-date { font-family: var(--mono); color: var(--muted); font-size: 0.82rem; padding-top: 3px; }
.entry h4 { font-size: 1.08rem; color: var(--heading); }
.meta { color: var(--muted); font-size: 0.93rem; margin: 2px 0 6px; }
.meta .deg { font-size: 1.05rem; font-weight: 700; color: var(--ink); }
.entry ul { padding-left: 1.2em; margin: 6px 0 0; font-size: 0.97rem; }
.entry li { margin-bottom: 4px; }
.entry li::marker { color: var(--link); }
.entry p { font-size: 0.97rem; margin-bottom: 4px; }
.cv-list { padding-left: 2.2em; font-size: 0.96rem; margin-top: 6px; }
.cv-list li { padding: 5px 0 5px 6px; }
.cv-list li::marker { color: var(--link); font-size: 0.85em; }
.plain-list { list-style: none; font-size: 0.96rem; margin-top: 6px; }
.plain-list li { padding: 5px 0; }

/* dated one-line lists */
.news { list-style: none; border-top: 1px solid var(--line); }
.news li { display: grid; grid-template-columns: 150px minmax(0, 1fr); gap: 20px; padding: 14px 0; border-bottom: 1px solid var(--line); }
.news-date { font-family: var(--mono); font-size: 0.82rem; color: var(--muted); padding-top: 4px; }
.news strong { color: var(--heading); }
/* Close the small visual gap where an underlined link meets punctuation. */
.news a { margin-right: -0.07em; }
/* Keep lists and text inside sidebar sections the same size. */
.cv-section .news, .cv-section > p { font-size: 0.96rem; }
.news-toggle { margin-top: 18px; cursor: pointer; font: inherit; font-weight: 600; font-size: 0.95rem; }

/* teaching */
.terms { display: flex; flex-wrap: wrap; gap: 4px 14px; font-size: 0.95rem; margin-bottom: 8px; }

/* call-out */
.callout { background: var(--sky); border: 1px solid var(--sky-line); border-left: 8px solid var(--amber); border-radius: 16px; padding: 26px 30px; max-width: 42em; color: var(--ink); }
.callout p { font-size: 1.15rem; line-height: 1.5; margin-bottom: 0.5em; }
.callout .attrib { font-size: 0.95rem; color: var(--muted); margin: 0; }

/* footer */
.site-footer { background: var(--footer-bg); color: #d5e4f5; margin-top: 24px; border-top: 4px solid var(--amber); }
.foot { display: flex; justify-content: space-between; gap: 24px; padding-top: 32px; padding-bottom: 36px; font-size: 0.93rem; flex-wrap: wrap; }
.foot-name { font-family: var(--display); font-size: 1.1rem; color: #fff; font-weight: 600; }
.foot-right { text-align: right; }
.site-footer a { color: #fff; }
.site-footer a:hover { color: #f1d78a; }
.site-footer .muted { color: #a9c3e2; }

@media (min-width: 821px) { .hero h1 { white-space: nowrap; } }

/* Keep the menu clear of the corner button on mid-size screens. */
@media (max-width: 1060px) { .bar { padding-right: 60px; } }

@media (max-width: 820px) {
  html { scroll-padding-top: 16px; }
  body { font-size: 16px; }
  .site-header { position: relative; }
  .bar { padding-right: 22px; padding-top: 12px; }
  .brand { padding: 0 44px; }
  .bar { flex-direction: column; align-items: center; }
  .nav { justify-content: center; }
  .brand { font-size: 1.1rem; }
  .hero { grid-template-columns: 1fr; gap: 40px; padding-top: 44px; padding-bottom: 48px; text-align: center; }
  .portrait { justify-self: center; max-width: 240px; order: -1; margin: 0 auto; }
  .portrait::before { inset: -9px; }
  .lead { margin-left: auto; margin-right: auto; }
  .page-head .lead { margin-left: 0; }
  .cta { justify-content: center; }
  .page-head .cta { justify-content: flex-start; }
  .links a { display: inline-block; margin: 0 8px; }
  .cols { grid-template-columns: 1fr; gap: 14px; }
  .pub-group { grid-template-columns: 1fr; gap: 4px; }
  .year { margin-top: 0; border-top: 0; padding-top: 0; border-bottom: 3px solid var(--heading); padding-bottom: 4px; margin-bottom: 8px; }
  .search { margin-left: 0; width: 100%; min-width: 0; }
  .cv-layout { grid-template-columns: minmax(0, 1fr); gap: 12px; }
  .cv-toc { position: static; flex-direction: row; flex-wrap: wrap; gap: 6px; }
  .cv-toc a { border: 1px solid var(--sky-line); border-radius: 999px; padding: 4px 12px; background: var(--paper); }
  .entry { grid-template-columns: minmax(0, 1fr); gap: 2px; }
  .area-row { grid-template-columns: 44px minmax(0, 1fr); gap: 6px 14px; }
  .area-text { grid-column: 2; }
  .beyond { grid-template-columns: minmax(0, 1fr); }
  .beyond figure.photo { max-width: 240px; }
  .news li { grid-template-columns: minmax(0, 1fr); gap: 2px; }
  .foot { flex-direction: column; align-items: center; text-align: center; }
  .foot-right { text-align: center; }
}

@media print {
  .site-header, .theme-toggle, .cv-toc, .cta, .site-footer, .filters { display: none; }
  body { background: #fff; font-size: 11pt; }
}