/* =====================================================
   Minimal Academic Style
   ===================================================== */

:root{
  --text: #111;
  --muted: #555;
  --border: #e6e6e6;
  --bg: #fff;
  --accent: #1a5fb4;

  --maxw: 1080px;

  /* Icon sizing */
  --icon-hit: 40px;
  --icon-size: 26px;

  /* Home spacing controls */
  --home-gap: 44px;
  --home-left-pad: 10px;
  --home-right-pad: 6px;

  /* Photo size controls */
  --photo-max-desktop: 320px;
  --photo-max-mobile: 220px;

  /* Stronger publication divider controls */
  --pub-divider-color: #cfcfcf;
  --pub-divider-width: 2px;
  --pub-divider-gap: 22px;

  /* BIG section split between Working Projects and Publications */
  --section-divider-color: #b8b8b8;
  --section-divider-width: 3px;
  --section-divider-gap-top: 56px;
  --section-divider-gap-bottom: 44px;
}

html, body{ background: var(--bg); color: var(--text); }
body{ font-size: 16px; line-height: 1.75; }

.content, .content-wrap, main.content, .page-columns{
  max-width: var(--maxw);
  margin: 0 auto;
  padding-left: 20px;
  padding-right: 20px;
}

a{ color: var(--accent); text-decoration: none; }
a:hover{ text-decoration: underline; }

h1{ font-size: 2.0rem; margin-top: 0.6rem; }
h2{
  font-size: 1.35rem;
  margin-top: 2.2rem;
  padding-top: 0.6rem;
  border-top: 1px solid var(--border);
}
h3{ font-size: 1.10rem; margin-top: 1.4rem; }

.muted{ color: var(--muted); }

.navbar{
  background: #ffffff !important;
  border-bottom: 1px solid var(--border) !important;
  box-shadow: none !important;
}
.navbar .navbar-brand, .navbar .nav-link{
  color: var(--text) !important;
}
.navbar .nav-link:hover{
  color: var(--text) !important;
  text-decoration: underline;
}

/* =====================================================
   Home: two-column layout
   ===================================================== */

.home-two-col{ margin-top: 1rem; }

.home-two-col.columns{
  gap: var(--home-gap) !important;
  align-items: flex-start !important;
}

.home-two-col.columns > .column:first-child{
  padding-right: var(--home-left-pad) !important;
}
.home-two-col.columns > .column:last-child{
  padding-left: var(--home-right-pad) !important;
}

.home-avatar{
  width: 100%;
  max-width: var(--photo-max-desktop);
  height: auto;
  display: block;
  border: none;
  border-radius: 0;
  object-fit: initial;
}

.home-name{
  font-size: 1.75rem;
  font-weight: 780;
  margin: 0 0 0.5rem 0;
}

.home-bio{
  color: var(--muted);
  margin: 0 0 0.75rem 0;
}

@media (max-width: 760px){
  .home-two-col.columns{
    gap: 16px !important;
  }
  .home-two-col.columns > .column:first-child{ padding-right: 0 !important; }
  .home-two-col.columns > .column:last-child{ padding-left: 0 !important; }

  .home-avatar{
    max-width: var(--photo-max-mobile);
  }
}

/* =====================================================
   External icon row
   ===================================================== */
.icon-row{
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0.25rem 0 1.2rem 0;
  flex-wrap: wrap;
}

.icon-link{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: var(--icon-hit);
  height: var(--icon-hit);
  border-radius: 10px;
  background: transparent;
  text-decoration: none;
}

.icon-link img{
  width: var(--icon-size);
  height: var(--icon-size);
  display: block;
  opacity: 0.92;
}

.icon-link:hover{ background: rgba(0, 0, 0, 0.03); }
.icon-link:hover img{ opacity: 1; }

.icon-link:focus-visible{
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* =====================================================
   BIG Section divider (between Working Projects and Publications)
   ===================================================== */
.section-divider{
  border: none;
  border-top: var(--section-divider-width) solid var(--section-divider-color);
  margin: var(--section-divider-gap-top) 0 var(--section-divider-gap-bottom) 0;
  opacity: 1;
}

/* =========================================================
   Divider between each item (Working Projects/Publications)
   ========================================================= */
hr.pub-divider{
  border: none;
  border-top: var(--pub-divider-width) solid var(--pub-divider-color);
  margin: var(--pub-divider-gap) 0 var(--pub-divider-gap) 0;
  opacity: 1;
}

/* =====================================================
   ✅ Abstract toggle (applies to your current <details> ... </details>)
   ===================================================== */
details{
  margin: 10px 0 0 0;
  padding: 0;
}

details > summary{
  cursor: pointer;
  color: var(--muted);
  font-size: 0.95rem;
  list-style: none;
  user-select: none;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 2px 0;
}

/* Hide default marker (Chrome/Safari) */
details > summary::-webkit-details-marker{
  display: none;
}

/* Custom disclosure marker */
details > summary::before{
  content: "▸";
  display: inline-block;
  transform: translateY(-1px);
  color: var(--muted);
}

details[open] > summary::before{
  content: "▾";
}

/* Style the abstract body (everything after summary) */
details > *:not(summary){
  margin-top: 10px;
  padding: 10px 12px;
  border-left: 2px solid #d8d8d8;
  color: var(--muted);
  background: rgba(0,0,0,0.02);
}

/* Keep tidy on small screens */
@media (max-width: 760px){
  details > *:not(summary){
    padding: 10px 10px;
  }
}

/* =====================================================
   Other minimal helpers
   ===================================================== */
.card-grid{
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 0.9rem;
}
@media (max-width: 720px){ .card-grid{ grid-template-columns: 1fr; } }
.card{
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 14px 14px 12px 14px;
  background: #fff;
}

.pub-journal{
  color: #b00020;
  font-style: italic;
}

.pub-btn{
  display: inline-block;
  margin: 10px 0 6px 0;
  padding: 6px 12px;
  border-radius: 10px;
  background: var(--accent);
  color: #fff !important;
  font-size: 0.95rem;
  font-weight: 600;
  text-decoration: none !important;
}

.pub-btn:hover{ filter: brightness(0.95); }

/* =====================================================
   Publication: button under abstract
   ===================================================== */
.pub-actions{
  margin: 10px 0 18px 0;   /* controls spacing under <details> */
}

.btn-article{
  display: inline-flex;
  align-items: center;
  justify-content: center;

  padding: 8px 14px;
  border: 1.5px solid var(--accent);
  border-radius: 500px;    /* pill / rounded button */
  background: transparent;

  color: var(--accent);
  font-size: 0.80rem;
  font-weight: 600;
  text-decoration: none;
  line-height: 1;
}

.btn-article:hover{
  text-decoration: none;
  background: rgba(26, 95, 180, 0.08);
}

.btn-article:focus-visible{
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.syllabus-btn{
  display: inline-flex;
  align-items: center;
  justify-content: center;

  padding: 8px 14px;
  border: 1.5px solid var(--accent);
  border-radius: 500px;    /* pill / rounded button */
  background: transparent;

  color: var(--accent);
  font-size: 0.80rem;
  font-weight: 600;
  text-decoration: none;
  line-height: 1;
}

.syllabus-btn:hover{
  text-decoration: none;
  background: rgba(26, 95, 180, 0.08);
}

.syllabus-btn:focus-visible{
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}