/* Native research accordions use a class outside the legacy JS click selector. */
.research-topic-nav {
  margin: 0 0 28px;
  padding: 22px 26px;
  border: 1px solid #dce7f1;
  border-radius: 18px;
  background: #f6fafe;
}
.research-topic-nav__title {
  display: block;
  margin-bottom: 14px;
  color: var(--kyk-black);
  font-size: 17px;
  font-weight: 700;
}
.research-topic-nav__links {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 8px 18px;
}
.research-topic-nav__links a {
  display: block;
  padding: 6px 0;
  color: var(--kyk-blue);
  font-size: 14px;
  line-height: 1.4;
  text-decoration: none;
}
.research-topic-nav__links a:hover { text-decoration: underline; }
.research-topic-nav__links a:focus-visible {
  outline: 2px solid var(--kyk-blue);
  outline-offset: 3px;
  border-radius: 2px;
}
#research-collection > details > summary.acc-native-header {
  width: 100%;
  text-align: left;
  padding: 35px 45px;
  background: transparent;
  border: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  transition: background-color .3s ease;
  list-style: none;
}
#research-collection > details > .acc-collapse { scroll-margin-top: 170px; }
#research-collection > details:has(> .acc-collapse:target) > summary.acc-native-header { background-color: #f0f7fd; }
#research-collection > details > summary.acc-native-header::-webkit-details-marker { display: none; }
#research-collection > details > summary.acc-native-header:hover { background-color: #fcfcfd; }
#research-collection > details > summary.acc-native-header:focus-visible {
  outline: 3px solid var(--kyk-blue);
  outline-offset: -3px;
}
#research-collection > details[open] > .acc-collapse { max-height: none; overflow: visible; }
#research-collection > details[open] .acc-icon {
  background: var(--kyk-blue);
  transform: rotate(45deg);
  box-shadow: 0 5px 15px rgba(0,86,179,.3);
}
#research-collection > details[open] .acc-icon::before,
#research-collection > details[open] .acc-icon::after { background: #fff; }
#research-collection > details[open] .acc-title { color: var(--kyk-blue); }
#research-collection .r-note { margin-top: 8px; font-size: 13px; line-height: 1.45; color: var(--text-muted); }
@media (max-width: 768px) {
  .research-topic-nav { padding: 18px 20px; }
  .research-topic-nav__links { grid-template-columns: 1fr; gap: 3px; }
  #research-collection > details > summary.acc-native-header { padding: 22px 20px; }
}