/* ================================
   Research Page — Abstract Dropdowns
   ================================ */

details.abstract {
  border: 1px solid #d0d4d9;
  border-radius: 8px;
  margin-bottom: 0.75em;
  background: #f6f7f9;
  transition: background 0.2s ease, border-color 0.2s ease;
}

details.abstract[open] {
  background: #f0f2f5;
  border-color: #b8bfc7;
}

details.abstract summary {
  cursor: pointer;
  padding: 0.85em 1.1em;
  font-size: 1em;
  font-weight: 600;
  color: #212931;
  list-style: none;
  display: flex;
  align-items: center;
  gap: 0.6em;
  user-select: none;
  outline: none;
}

details.abstract summary::-webkit-details-marker {
  display: none;
}

details.abstract summary::before {
  content: '▶';
  font-size: 0.6em;
  color: #7a8490;
  transition: transform 0.2s ease;
  flex-shrink: 0;
}

details.abstract[open] summary::before {
  transform: rotate(90deg);
}

details.abstract summary:hover {
  color: #000000;
}

details.abstract .abstract-body {
  padding: 0 1.2em 1.1em 2.4em;
  line-height: 1.7;
  color: #3a4450;
}

details.abstract .abstract-body a {
  display: inline-block;
  margin-bottom: 0.6em;
  font-weight: 600;
}

details.abstract .abstract-body p {
  margin: 0;
  color: #3a4450;
}