/* Abstract dropdown styling */
.abstract-toggle {
  display: inline-block;
  cursor: pointer;
  color: #494e52;
  font-size: 0.85em;
  font-weight: 600;
  padding: 3px 10px;
  border: 1px solid #d3d3d3;
  border-radius: 3px;
  margin-top: 4px;
  transition: all 0.2s ease;
  background: #f8f8f8;
  text-decoration: none;
}

.abstract-toggle:hover {
  background: #e8e8e8;
  border-color: #999;
  color: #333;
}

.abstract-toggle::before {
  content: "\25B6";
  display: inline-block;
  margin-right: 5px;
  font-size: 0.7em;
  transition: transform 0.2s ease;
}

.abstract-toggle.active::before {
  transform: rotate(90deg);
}

.abstract-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.35s ease;
  padding: 0 12px;
  margin-top: 0;
  border-left: 3px solid #00274C;
  background: #fafafa;
  font-size: 0.92em;
  line-height: 1.6;
  color: #555;
}

.abstract-content.open {
  max-height: 800px;
  padding: 10px 12px;
  margin-top: 8px;
}

/* Paper entry styling */
.paper-entry {
  margin-bottom: 20px;
  padding-bottom: 15px;
  border-bottom: 1px solid #eee;
}

.paper-entry:last-child {
  border-bottom: none;
}

.paper-title {
  font-weight: 600;
  font-size: 1.05em;
  color: #333;
}

.paper-title a {
  text-decoration: none;
  color: #00274C;
}

.paper-title a:hover {
  text-decoration: underline;
}

.paper-details {
  margin-top: 3px;
  font-size: 0.9em;
  color: #666;
}

.paper-links {
  margin-top: 6px;
}

.paper-links a,
.paper-links span.abstract-toggle {
  display: inline-block;
  font-size: 0.85em;
  font-weight: 600;
  color: #494e52;
  padding: 3px 10px;
  border: 1px solid #d3d3d3;
  border-radius: 3px;
  margin-right: 6px;
  text-decoration: none;
  transition: all 0.2s ease;
  background: #f8f8f8;
}

.paper-links a:hover,
.paper-links span.abstract-toggle:hover {
  background: #e8e8e8;
  border-color: #999;
  color: #333;
}

/* Section headers on research page */
.research-section {
  margin-top: 30px;
  margin-bottom: 10px;
  font-size: 1.2em;
  font-weight: 700;
  color: #333;
  border-bottom: 2px solid #00274C;
  padding-bottom: 5px;
}