.wp-list {
  list-style: none;
  margin: 2rem 0;
  padding: 0;
  font-family: inherit;
}
.wp-item {
  border: 1px solid #ddd;
  border-radius: 8px;
  margin-bottom: 1rem;
  overflow: hidden;
  transition: box-shadow 0.2s ease;
}
.wp-item:hover {
  box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}
.wp-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 1.25rem;
  cursor: pointer;
  background: #fafafa;
}
.wp-header:hover {
  background: #f0f0f0;
}
.wp-meta {
  flex: 1;
}
.wp-number {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  color: #555;
  background: #eaeaea;
  padding: 0.15rem 0.55rem;
  border-radius: 12px;
  margin-bottom: 0.4rem;
}
.wp-title {
  font-size: 1.05rem;
  font-weight: 600;
  margin: 0.2rem 0 0.2rem 0;
  color: #1B2B3A;
}
.wp-authors {
  font-size: 0.92rem;
  color: #555;
  margin: 0;
}
/* Fixed: was #E5E9EC (near-white, invisible on this background). */
.wp-authors .author-link {
  color: #0b5fa5;
  text-decoration: none;
  border-bottom: 1px dotted #0b5fa5;
}
.wp-authors .author-link:hover {
  color: #1B2B3A;
  border-bottom-color: #1B2B3A;
}
.wp-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-shrink: 0;
}
.wp-pdf-btn {
  display: inline-block;
  padding: 0.4rem 0.9rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: #fff;
  background: #1B2B3A;
  border-radius: 6px;
  text-decoration: none;
  white-space: nowrap;
}
.wp-pdf-btn:hover {
  background: #D4A574;
}
.wp-toggle {
  background: none;
  border: none;
  cursor: pointer;
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.wp-toggle svg {
  width: 16px;
  height: 16px;
  transition: transform 0.25s ease;
  stroke: #555;
}
.wp-item.open .wp-toggle svg {
  transform: rotate(180deg);
}
.wp-abstract-wrap {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
  background: #fff;
}
.wp-item.open .wp-abstract-wrap {
  max-height: 600px;
}
.wp-abstract {
  padding: 0 1.25rem 1.25rem 1.25rem;
  font-size: 0.92rem;
  line-height: 1.55;
  color: #333;
  border-top: 1px solid #eee;
  margin-top: 0;
}
.wp-abstract-label {
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: #888;
  display: block;
  margin: 0.9rem 0 0.4rem 0;
}
.wp-jel {
  font-size: 0.82rem;
  color: #777;
  margin-top: 0.6rem;
}

/* ===== New: toolbar for search + sort ===== */
.wp-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin: 1.5rem 0 0.5rem 0;
}
.wp-search {
  flex: 1 1 260px;
  padding: 0.5rem 0.8rem;
  font-size: 0.92rem;
  border: 1px solid #ccc;
  border-radius: 6px;
  background: #fff;
}
.wp-sort {
  flex: 0 0 auto;
  padding: 0.5rem 0.8rem;
  font-size: 0.92rem;
  border: 1px solid #ccc;
  border-radius: 6px;
  background: #fff;
  color: #333;
}
.wp-search:focus,
.wp-sort:focus {
  outline: none;
  border-color: #1B2B3A;
}
.wp-empty,
.wp-error {
  font-size: 0.92rem;
  color: #777;
  padding: 1rem 0;
}
.wp-error {
  color: #a33;
}