/* ==========================================================================
   gcoqueret.com — shared stylesheet
   One reading column. Dated entries (CV, papers, courses) share a left date
   column so years line up down the page, like a reference list.
   Serif for content, sans for navigation and metadata.
   ========================================================================== */

:root {
  /* Palette: the site's original navy ink and blue, plus a muted sage */
  --paper:       #FAFBFC;
  --ink:         #13203A;
  --muted:       #566177;
  --faint:       #8892A6;
  --rule:        #E1E5EC;
  --accent:      #3B60A2;
  --accent-soft: #EBF0F8;
  --sage:        #57744F;
  --sage-soft:   #EDF2EB;

  --serif: "Newsreader", "Iowan Old Style", "Palatino Linotype", Georgia, serif;
  --sans:  "Instrument Sans", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;

  --fs-small: 0.875rem;
  --fs-meta:  0.9375rem;
  --fs-body:  1.125rem;
  --fs-h2:    1.5rem;
  --fs-h1:    clamp(2.25rem, 1.6rem + 3vw, 3.5rem);

  --measure: 46rem;
  --date-col: 7.25rem;
  --show-moon: block;
  --show-sun: none;
  color-scheme: light;
}

/* Dark mode: follows the visitor's system setting, unless they pick a theme
   with the switch in the header (stored as data-theme on <html>). */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --paper: #11161F; --ink: #E4E8EF; --muted: #A4ADBD; --faint: #7A8496;
    --rule: #262E3C; --accent: #93B2E6; --accent-soft: #1C2740;
    --sage: #A7C29F; --sage-soft: #1D2A1C;
    --show-moon: none; --show-sun: block;
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --paper: #11161F; --ink: #E4E8EF; --muted: #A4ADBD; --faint: #7A8496;
  --rule: #262E3C; --accent: #93B2E6; --accent-soft: #1C2740;
  --sage: #A7C29F; --sage-soft: #1D2A1C;
  --show-moon: none; --show-sun: block;
  color-scheme: dark;
}

/* ---------- Base ---------- */

*, *::before, *::after { box-sizing: border-box; }
[hidden] { display: none !important; }
.listing-no-matching { display: none; } /* Quarto adds this; not needed here */

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0 auto;
  max-width: calc(var(--measure) + 2rem);
  padding-left: max(16px, env(safe-area-inset-left, 0px));
  padding-right: max(16px, env(safe-area-inset-right, 0px));
  background: var(--paper);
  color: var(--ink);
  font-family: var(--serif);
  font-size: var(--fs-body);
  line-height: 1.55;
  font-optical-sizing: auto;
  text-rendering: optimizeLegibility;
}

img { max-width: 100%; height: auto; display: block; }

a {
  color: var(--accent);
  text-decoration-line: underline;
  text-decoration-thickness: 1px;
  text-decoration-color: color-mix(in srgb, var(--accent) 35%, transparent);
  text-underline-offset: 0.18em;
}
a:hover { text-decoration-color: currentColor; }
a:focus-visible, button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 2px;
}

h1, h2, h3 {
  font-family: var(--serif);
  font-weight: 500;
  line-height: 1.2;
  text-wrap: balance;
  margin: 0;
}
h1 { font-size: var(--fs-h1); letter-spacing: -0.015em; font-weight: 400; }
h2 { font-size: var(--fs-h2); margin-bottom: 1rem; }
h3 { font-size: 1.1875rem; }
p { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
cite { font-style: italic; }

/* Lists written in markdown (no class) */
ul:not([class]), ol:not([class]) { padding-left: 1.25rem; }
ul:not([class]) { list-style: disc; }
ol:not([class]) { list-style: decimal; }
ul:not([class]) li::marker { color: var(--faint); }
ul:not([class]) > li + li, ol:not([class]) > li + li { margin-top: 0.375rem; }
section p + p, .content p + p { margin-top: 0.75rem; }
h2 + p, p + ul, p + ol { margin-top: 0.5rem; }

.skip-link {
  position: absolute; left: -999px; top: 0;
  background: var(--ink); color: var(--paper); padding: 0.5rem 0.75rem;
  font-family: var(--sans); font-size: var(--fs-small);
}
.skip-link:focus { left: 1rem; top: 1rem; }

/* ---------- Header & footer ---------- */

.site-header {
  display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between;
  gap: 0.5rem 2rem;
  padding-block: 1.75rem 2.5rem;
}
.site-name {
  font-size: 1.1875rem; font-weight: 500;
  color: var(--ink); text-decoration: none;
}
.site-tools { display: flex; align-items: center; gap: 1.25rem; }
.site-nav { display: flex; gap: 1.5rem; font-family: var(--sans); font-size: var(--fs-meta); }
.site-nav a { color: var(--muted); text-decoration: none; padding-block: 0.25rem; }
.site-nav a:hover { color: var(--ink); }
.site-nav a[aria-current="page"] { color: var(--ink); box-shadow: inset 0 -2px 0 var(--accent); }

.site-footer {
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: 0.75rem 2rem;
  margin-top: 4rem;
  padding-block: 1.5rem 2.5rem;
  border-top: 1px solid var(--rule);
  font-family: var(--sans); font-size: var(--fs-small); color: var(--faint);
}
.site-footer a { color: var(--muted); }
.footer-links { display: flex; flex-wrap: wrap; gap: 0.5rem 1.25rem; }

.theme-toggle {
  appearance: none;
  display: inline-grid; place-items: center;
  width: 2rem; height: 2rem;
  padding: 0;
  border: 1px solid var(--rule); border-radius: 999px;
  background: transparent; color: var(--muted);
  cursor: pointer;
}
.theme-toggle:hover { color: var(--ink); border-color: var(--faint); }
.theme-toggle svg {
  width: 1rem; height: 1rem;
  fill: none; stroke: currentColor; stroke-width: 1.75; stroke-linecap: round; stroke-linejoin: round;
}
.theme-toggle .i-moon { display: var(--show-moon); }
.theme-toggle .i-sun  { display: var(--show-sun); }

/* ---------- Sections ---------- */

h2 { margin-top: 3rem; }
.page-head p { color: var(--muted); max-width: 38rem; margin-top: 0.75rem; }

/* In-page index (research page) */
.toc p {
  display: flex; flex-wrap: wrap; gap: 0.375rem 1.25rem;
  font-family: var(--sans); font-size: var(--fs-small);
  margin-top: 1.5rem; padding-top: 1rem; border-top: 1px solid var(--rule);
}
.toc a { color: var(--muted); text-decoration: none; }
.toc a:hover { color: var(--accent); }

/* ---------- Home: intro ---------- */

.intro {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 12rem;
  gap: 2.5rem;
  align-items: end;
}
.intro > * { min-width: 0; }
.intro h1 { margin-bottom: 0.375rem; }
.intro .role { font-family: var(--sans); font-size: 1rem; color: var(--muted); margin-bottom: 1.25rem; }
.intro p + p { margin-top: 0.75rem; }
.portrait {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  border-radius: 3px;
}
.quick-links p {
  display: flex; flex-wrap: wrap; gap: 0.375rem 1.25rem;
  margin-top: 1.75rem;
  font-family: var(--sans); font-size: var(--fs-meta);
}

/* ---------- Dated rows (CV, courses) ---------- */

.rows { display: grid; gap: 0.625rem; }
.row {
  display: grid;
  grid-template-columns: var(--date-col) minmax(0, 1fr);
  gap: 1.25rem;
  align-items: baseline;
}
.row-date {
  font-family: var(--sans); font-size: var(--fs-small); color: var(--faint);
  font-variant-numeric: tabular-nums; white-space: nowrap;
}
.row-main { min-width: 0; }
.row-where { color: var(--muted); }
.row-links {
  display: flex; flex-wrap: wrap; gap: 0.125rem 1rem;
  font-family: var(--sans); font-size: var(--fs-small);
  margin-top: 0.125rem;
}

/* ---------- Papers ---------- */

.pubs { display: grid; gap: 1.125rem; }
.pub {
  display: grid;
  grid-template-columns: 3.25rem minmax(0, 1fr);
  gap: 1.25rem;
  align-items: baseline;
}
.pubs.is-undated .pub { grid-template-columns: minmax(0, 1fr); }
.pub-year {
  font-family: var(--sans); font-size: var(--fs-small); color: var(--faint);
  font-variant-numeric: tabular-nums;
}
.pub-body { min-width: 0; }
.pub-title { font-weight: 500; line-height: 1.4; }
.pub-venue { line-height: 1.45; }
.pub-venue cite { color: var(--accent); }
.pub-venue .vol { color: var(--muted); font-variant-numeric: tabular-nums; }
.pub-meta {
  display: flex; flex-wrap: wrap; align-items: baseline; gap: 0.125rem 1rem;
  font-family: var(--sans); font-size: var(--fs-small);
  margin-top: 0.0625rem;
}
.pub-authors { color: var(--muted); font-size: var(--fs-meta); }
.pub-note {
  display: inline-block;
  margin-top: 0.375rem;
  padding: 0.125rem 0.5rem;
  border-radius: 3px;
  background: var(--sage-soft); color: var(--sage);
  font-family: var(--sans); font-size: 0.8125rem; line-height: 1.5;
}
.pub-note a { color: inherit; }

/* Topic filter (built by assets/site.js) */
.filters { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-bottom: 1.5rem; }
.chip {
  appearance: none;
  font: 500 var(--fs-small)/1 var(--sans);
  color: var(--muted);
  background: transparent;
  border: 1px solid var(--rule);
  border-radius: 999px;
  padding: 0.5rem 0.875rem;
  cursor: pointer;
}
.chip:hover { color: var(--ink); border-color: var(--faint); }
.chip[aria-pressed="true"] { color: var(--accent); background: var(--accent-soft); border-color: transparent; }
.chip .n { color: var(--faint); font-variant-numeric: tabular-nums; margin-left: 0.25rem; }
.chip[aria-pressed="true"] .n { color: inherit; opacity: 0.7; }

/* ---------- Books ---------- */

.books { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; }
.book {
  border: 1px solid var(--rule);
  border-radius: 4px;
  padding: 1.125rem 1.25rem 1.25rem;
  min-width: 0;
}
.book h3 { margin-bottom: 0.25rem; }
.book p { font-family: var(--sans); font-size: var(--fs-small); color: var(--muted); line-height: 1.6; }
.book p + p { margin-top: 0.5rem; }
.book strong { color: var(--ink); font-weight: 600; }

/* ---------- Profiles & contact (home) ---------- */

.profiles ul {
  list-style: none; padding: 0;
  display: grid; grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.375rem 1.5rem;
  font-family: var(--sans); font-size: var(--fs-meta);
}
.line-block { line-height: 1.55; }

/* ---------- Course and material pages ---------- */

.crumb { font-family: var(--sans); font-size: var(--fs-small); margin-bottom: 0.5rem; }
.crumb a { color: var(--muted); text-decoration: none; }
.crumb a:hover { color: var(--accent); }

/* Numbered sessions: number in the left column, links at the end of the line */
.sessions ol {
  list-style: none; padding: 0; margin: 0;
  counter-reset: session;
  display: grid; gap: 0.625rem;
}
.sessions li {
  counter-increment: session;
  position: relative;
  padding-left: 2.75rem;
}
.sessions li + li { margin-top: 0; }
.sessions li::before {
  content: counter(session, decimal-leading-zero);
  position: absolute; left: 0; top: 0.2em;
  font-family: var(--sans); font-size: var(--fs-small); color: var(--faint);
  font-variant-numeric: tabular-nums;
}
.links { font-family: var(--sans); font-size: var(--fs-small); margin-left: 0.75rem; }
.links a { margin-right: 0.75rem; white-space: nowrap; }
.sessions { margin-top: 0.75rem; }
/* Sub-pages (with a parent link above the title) get a smaller title */
.page-head:has(.crumb) h1 { font-size: clamp(1.875rem, 1.4rem + 2vw, 2.5rem); }

.figure-right { max-width: 24rem; margin-top: 1rem; border-radius: 3px; }

.disclaimer {
  margin-top: 3rem; padding-top: 1rem;
  border-top: 1px solid var(--rule);
  font-family: var(--sans); font-size: var(--fs-small); color: var(--faint);
}

/* ---------- Small screens ---------- */

@media (max-width: 640px) {
  :root { --fs-body: 1.0625rem; }
  .site-header { padding-block: 1.25rem 1.5rem; }
  .sessions li { padding-left: 2.25rem; }
  .intro { grid-template-columns: minmax(0, 1fr); gap: 1.25rem; }
  .intro .portrait-cell { order: -1; max-width: 8.5rem; }
  .rows { gap: 0.875rem; }
  .row { grid-template-columns: minmax(0, 1fr); gap: 0; }
  .pub { grid-template-columns: 2.75rem minmax(0, 1fr); gap: 0.75rem; }
  .books { grid-template-columns: minmax(0, 1fr); }
  .profiles ul {
  list-style: none; padding: 0; grid-template-columns: repeat(2, minmax(0, 1fr)); }
  h2 { margin-top: 2.5rem; }
}