:root{
  --bg: #ffffff;
  --text: #111111;
  --muted: #222222;
  --line: #111111;

  /* Wider usable width */
  --nav-width: 200px;
  --content-max: 1200px;

  /* Page padding (margins) */
  --pad: 4vw;         /* responsive margin */
  --pad-min: 18px;    /* don't get too small */
  --gap: 28px;
}

*{ box-sizing: border-box; }

html{
  overflow-y: scroll;
}



.section-line{
  height: 2px;
  background: var(--line);
  border: none;
  margin: 8px 0 16px;
}

body{
  margin: 0;
  background: var(--bg);
  color: var(--text);

  /* Times New Roman style */
  font-family: "Times New Roman", Times, Georgia, serif;

  line-height: 1.6;
}

.page{
  min-height: 100vh;
  display: flex;
  gap: var(--gap);

  /* use most of the page width */
  padding: clamp(var(--pad-min), var(--pad), 48px);

  /* center the whole layout but allow it to get wide */
  max-width: 92vw;
  margin: 0 auto;
}




.sidebar{
  width: var(--nav-width);
  min-width: var(--nav-width);
  flex: 0 0 var(--nav-width);

  position: sticky;
  top: clamp(var(--pad-min), var(--pad), 48px);
  align-self: flex-start;
}

.sidebar-divider{
  width: 2px;
  background: var(--line);
}


.nav{
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.nav a{
  color: var(--text);
  text-decoration: none;
  font-size: 20px; /* slightly larger with Times */
}

.nav a:hover{ text-decoration: underline; }
.nav a.active{ font-weight: 700; }

.divider{
  width: 2px;
  background: var(--line);
  flex: 0 0 2px;

  position: sticky;
  top: clamp(var(--pad-min), var(--pad), 48px);
  height: calc(100vh - (clamp(var(--pad-min), var(--pad), 48px) * 2));
  align-self: flex-start;
}


.main{
  flex: 1;

  /* allow the text to stretch more */
  max-width: var(--content-max);

  padding-left: 18px;
}

h1{
  margin: 0 0 22px 0;
  font-size: 44px;
  font-weight: 500;
}

p{
  margin: 0 0 18px 0;
  font-size: 20px;
  color: var(--muted);
}

ul,
li{
  font-size: 20px;
  color: inherit;
}

/* 1. Base: all links are black */
.main a{
  color: var(--text);
  text-decoration: underline;
  text-underline-offset: 2px;
}

/* 2. Internal links stay black even after visit */
.main a:not([href^="http"]):visited{
  color: var(--text);
}

/* 3. External links (absolute URLs only) */
.main a[href^="http"]{
  color: #0645ad;
}

/* 4. External visited links */
.main a[href^="http"]:visited{
  color: #0645ad;
}

/* 5. Downloads (even if relative paths) */
.main a[download]{
  color: #0645ad;
  font-weight: 500;
}

/* 6. Hover polish */
.main a:hover{
  opacity: 0.80;
}

/* internal links inside text */
p a,
p a:visited {
  color: var(--text);
}

/* external links */
p a[href^="http"],
p a[href^="http"]:visited {
  color: #0645ad;
}

/* downloads */
p a[download],
p a[download]:visited {
  color: #0645ad;
}



/* Intro block: bigger image with caption */
.intro{
  display: flex;
  gap: 34px;
  align-items: flex-start;
  margin-bottom: 22px;
}

.figure{
  flex: 0 0 400px;
}

.figure.center{
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

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

.caption{
  margin-top: 6px;
  font-size: 20px;   /* ← same size as paragraphs */
  color: var(--muted);
}

.photo-gallery {
  margin-top: 2rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
}

.photo-gallery figure {
  margin: 0;
}

.photo-gallery img {
  width: 100%;
  height: auto;
  border-radius: 6px; /* subtle, not cheesy */
  display: block;
}

.photo-gallery figcaption {
  margin-top: 0.5rem;
  font-size: 0.95rem;
  color: #555;
  text-align: center;
}


/* Responsive */
@media (max-width: 900px){
  .page{ flex-direction: column; }
  .sidebar{ width: auto; flex: 0 0 auto; }
  .nav{ flex-direction: row; flex-wrap: wrap; gap: 12px 18px; }
  .divider{ width: 100%; height: 2px; }
  .main{ padding-left: 0; }
  .intro{ flex-direction: column; }
  .figure{ width: 260px; }
}

.cv-page {
  max-width: 900px;
  margin: 0 auto;
  padding: 24px 20px;
  font-family: "Times New Roman", Times, serif;
  color: #111;
}

.cv-header {
  text-align: center;
  margin-bottom: 28px;
}

.cv-name {
  font-size: 42px;
  margin: 0 0 6px 0;
  font-weight: 700;
}

.cv-contact a {
  font-size: 20px;
  text-decoration: none;
}

.cv-section {
  margin-top: 22px;
}

.cv-section-title {
  font-size: 28px;
  margin: 0 0 6px 0;
  font-weight: 700;
}

.cv-rule {
  border: none;
  border-top: 1px solid #222;
  margin: 0 0 14px 0;
}

.cv-entry {
  margin-bottom: 14px;
}

.cv-entry-top {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: baseline;
}

.cv-entry-title {
  font-size: 20px;
}

.cv-entry-org {
  font-size: 20px;
}

.cv-entry-right {
  font-size: 20px;
  white-space: nowrap;
}

.cv-bullets {
  font-size: 20px;
  margin: 6px 0 0 22px;
  padding: 0;
}

.cv-bullets li {
  margin: 4px 0;
}

.cv-muted {
  opacity: 0.75;
}

.cv-pubs p {
  margin: 10px 0;
}

.cv-paragraph {
  margin: 6px 0 0 0;
}

.cv-other {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
}

.cv-other-title {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 4px;
}

/* Page break marker (web) */
.cv-pagebreak {
  height: 1px;
  margin: 26px 0;
}

/* Optional: print-friendly page break */
@media print {
  .cv-pagebreak {
    break-before: page;
    page-break-before: always;
    height: 0;
    margin: 0;
  }
}

/* On book pages only */
.page.page--book{
  display: grid;
  grid-template-columns: 240px 1px 360px 1fr; /* site sidebar | divider | TOC | content */
  min-height: 100vh;
}

/* If your existing .divider already has width/appearance, keep it.
   This just ensures it behaves in the grid. */
.page.page--book > .divider{
  width: 1px;
}

/* Secondary sidebar: sticky Table of Contents */
.booktoc{
  font-size: 20px;
  position: sticky;
  top: 0;
  align-self: start;
  height: 100vh;
  overflow: auto;
  padding: 18px 14px;
  border-right: 1px solid rgba(0,0,0,0.10);
  background: #fff;
}

/* Optional: a subtle “section header” look if you ever add one */
.booktoc__list{
  display: block;
}

/* TOC items */
.toc-item{
  display: block;
  padding: 6px 8px;
  border-radius: 8px;
  text-decoration: none;
  color: inherit;
  line-height: 1.25;
}

.toc-item:hover{
  background: rgba(0,0,0,0.06);
}

/* Hierarchy indentation */
.toc-chapter{
  font-weight: normal;
  margin-top: 8px;
}

.toc-section{
  padding-left: 16px;
}

.toc-subsection{
  padding-left: 30px;
  font-size: 0.95em;
  opacity: 0.95;
}

/* (Optional) If later you add an "active" class manually or with JS */
.toc-item.is-active{
  background: rgba(0,0,0,0.10);
  font-weight: 650;
}

/* Main content area tweaks for book pages */
.bookmain{
  padding: 24px 28px;
  max-width: 980px;

}

/* Collapsible TOC groups */
.toc-group{
  margin: 0;
  padding: 0;
}

.toc-group > summary{
  list-style: none;
  cursor: pointer;
}

.toc-group > summary::-webkit-details-marker{
  display: none;
}

/* Keep your hover styling */
.toc-group > summary.toc-item:hover{
  background: rgba(0,0,0,0.06);
}

/* Custom arrow */
.toc-group > summary{
  position: relative;
  padding-right: 22px; /* room for arrow */
}

.toc-group > summary::after{
  content: "▸";
  position: absolute;
  right: 8px;
  top: 50%;
  transform: translateY(-50%);
  opacity: 0.7;
  font-size: 0.9em;
}

.toc-group[open] > summary::after{
  content: "▾";
}

/* Make the link in the summary row look normal */
.toc-link{
  color: inherit;
  text-decoration: none;
  display: inline-block;
  width: 100%;
}


/* ============================================================
   BOOK / TEX4HT OVERRIDES
   Fixes headings, equations, tables, and figures
   ============================================================ */

/* ---------- 1) SUBSUBSECTIONS TOO SMALL ---------- */
/* TeX4ht emits <h5 class="subsubsectionHead"> */
.bookmain h5.subsubsectionHead,
.bookmain .subsubsectionHead {
  font-size: 1.05rem;        /* readable, still hierarchical */
  font-weight: 600;
  margin-top: 1.4em;
  margin-bottom: 0.5em;
  line-height: 1.35;
}

/* ---------- 2) EQUATION TEXT TOO SMALL ---------- */
/* MathML equations (native TeX4ht output) */
.bookmain math {
  font-size: 1.0rem;
}

/* If MathJax is ever used, this keeps it consistent */
.bookmain .MathJax,
.bookmain mjx-container {
  font-size: 100% !important;
}

/* ---------- 3) CENTER ALL DISPLAY EQUATIONS ---------- */
/* TeX4ht often uses tables for numbered equations */
.bookmain table.equation {
  margin-left: auto;
  margin-right: auto;
  margin-top: 1em;
  margin-bottom: 1em;
}

/* Center MathML alignment tables */
.bookmain mtable.align {
  margin-left: auto;
  margin-right: auto;
}

/* Ensure equation numbers don’t squash content */
.bookmain td.eq-no {
  padding-left: 1em;
  white-space: nowrap;
}

/* ---------- 4) TABLES: SPACING + CENTERING ---------- */
.bookmain table.tabular {
  margin-left: auto;
  margin-right: auto;
  margin-top: 1.2em;
  margin-bottom: 1.2em;
  border-collapse: separate;
  border-spacing: 0.75em 0.45em;  /* airy, readable tables */
}

/* Cell spacing */
.bookmain table.tabular th,
.bookmain table.tabular td {
  padding: 0.45em 0.75em;
  vertical-align: middle;
}

/* Prevent ultra-wide tables from crushing columns */
.bookmain div.tabular {
  overflow-x: auto;
}

/* ---------- 5) FIGURES NOT SCRUNCHED ---------- */
.bookmain figure {
  margin: 1.5em auto;
  text-align: center;
}

.bookmain figure img {
  max-width: 100%;
  height: auto !important;   /* override HTML attributes */
  width: auto;
  display: block;
  margin-left: auto;
  margin-right: auto;
}

.bookmain figcaption {
  margin-top: 0.6em;
  font-size: 0.95rem;
  line-height: 1.3;
  text-align: center;
}

/* ---------- BONUS: GLOBAL READABILITY TWEAK ---------- */
/* Slightly improve paragraph spacing in math-heavy text */
.bookmain p {
  line-height: 1.55;
}

/* =========================
   FIGURE CAPTIONS (TeX4ht)
   ========================= */

figure.figure figcaption.caption,
figure.figure figcaption.caption span {
  font-size: 1.1em !important; /* adjust */
  line-height: 1.4 !important;
  text-align: center !important;
}

figure.figure figcaption.caption .id {
  font-weight: 600 !important;
}

figure.figure figcaption.caption .content {
  font-weight: 400 !important;
}

/* =========================
   TeX4ht tabular — header rule only
   ========================= */

div.tabular > table.tabular {
  border-collapse: collapse !important;
  border-spacing: 0 !important;
  margin: 1em auto !important;
}

/* Vertical lines only (no horizontal by default) */
div.tabular > table.tabular td,
div.tabular > table.tabular th {
  border-left: 1px solid #000 !important;
  border-right: 1px solid #000 !important;
  border-top: none !important;
  border-bottom: none !important;

  padding: 0.35em 0.7em !important;
  text-align: center !important;
  vertical-align: middle !important;
}

/* Top outer border */
div.tabular > table.tabular tr:first-child td,
div.tabular > table.tabular tr:first-child th {
  border-top: 1px solid #000 !important;
}

/* Use TeX4ht's hline row as the SINGLE horizontal rule */
div.tabular > table.tabular tr.hline {
  display: table-row !important;
}

div.tabular > table.tabular tr.hline td,
div.tabular > table.tabular tr.hline th {
  padding: 0 !important;
  height: 0 !important;
  line-height: 0 !important;

  border-top: 1px solid #000 !important;   /* <-- the one horizontal line */
  border-bottom: none !important;
  border-left: none !important;
  border-right: none !important;
}

/* Keep equation tables untouched */
table.equation,
table.equation td,
table.equation th {
  border: none !important;
}


/* =========================
   TABLE CAPTIONS (TeX4ht)
   ========================= */

figure.float figcaption.caption {
  font-size: 1.2em;   /* ← adjust this */
  line-height: 1.4;
  margin-bottom: 0.6em;
}

/* Keep label slightly emphasized */
figure.float figcaption.caption span.id {
  font-weight: 600;
}

/* Caption text normal weight */
figure.float figcaption.caption span.content {
  font-weight: 400;
}

/* =========================
   TABLE CONTENT FONT SIZE
   ========================= */

div.tabular > table.tabular {
  font-size: 1.2em;   /* ← adjust this */
}







/* =========================
   MOBILE / NARROW SCREENS
   ========================= */
@media (max-width: 980px){
  /* Drop the TOC column: keep site sidebar + divider + content */
  .page.page--book{
    grid-template-columns: 240px 1px 1fr;
  }

  /* Put the TOC above the main content in the content column */
  .booktoc{
    position: relative;    /* not sticky on mobile */
    height: auto;
    overflow: visible;
    border-right: none;
    border-bottom: 1px solid rgba(0,0,0,0.10);
    grid-column: 3 / -1;   /* content column */
  }

  .bookmain{
    padding: 18px 16px;
  }





}