.research-discovery-status {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  min-height: 24px;
  margin: 14px 0 10px;
  color: var(--text-secondary, #6b7280);
  font-size: 0.88rem;
}

.research-discovery-status.is-error {
  color: #b42318;
}

.research-discovery-results {
  display: grid;
  gap: 12px;
}

.research-discovery-card {
  position: relative;
  display: grid;
  gap: 8px;
  padding: 18px 20px;
  border: 1px solid var(--line, #e0d9eb);
  border-radius: 10px;
  background: #fff;
}

.research-discovery-card h4 {
  margin: 0;
  padding-right: 120px;
  color: var(--purple, #4a3a6b);
  font-size: 1rem;
  line-height: 1.4;
}

.research-discovery-card h4 a {
  color: inherit;
  text-decoration: none;
}

.research-discovery-card h4 a:hover {
  text-decoration: underline;
}

.research-discovery-card .meta,
.research-discovery-card .tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
  color: var(--text-secondary, #6b7280);
  font-size: 0.82rem;
}

.research-discovery-card .tags span {
  padding: 3px 8px;
  border-radius: 999px;
  background: var(--purple-soft, #f0edf5);
  color: var(--purple, #4a3a6b);
}

.research-discovery-card .citation-action {
  position: absolute;
  top: 16px;
  right: 16px;
  border: 1px solid var(--line, #e0d9eb);
  border-radius: 6px;
  padding: 6px 9px;
  background: #fff;
  color: var(--purple, #4a3a6b);
  cursor: pointer;
  font: inherit;
  font-size: 0.76rem;
}

.research-discovery-card .citation-action:hover {
  border-color: var(--purple, #4a3a6b);
  background: var(--purple-soft, #f0edf5);
}

.research-discovery-empty {
  padding: 28px 18px;
  border: 1px dashed var(--line, #e0d9eb);
  border-radius: 10px;
  color: var(--text-secondary, #6b7280);
  text-align: center;
}

.research-discovery-loading {
  opacity: 0.72;
}

.research-discovery-graph-status {
  margin: 0 0 10px;
  color: var(--text-secondary, #6b7280);
  font-size: 0.82rem;
}

#citation-graph svg {
  display: block;
  width: 100%;
  height: 100%;
}

.research-citation-edge {
  stroke: #d8d0e3;
  stroke-width: 1.5;
}

.research-citation-node {
  cursor: pointer;
  stroke: #fff;
  stroke-width: 2;
}

.research-citation-label {
  fill: #4b5563;
  font-size: 11px;
  pointer-events: none;
}

.research-citation-tooltip {
  position: fixed;
  z-index: 20;
  max-width: 280px;
  padding: 8px 10px;
  border-radius: 6px;
  background: #2f2745;
  color: #fff;
  font-size: 0.76rem;
  line-height: 1.4;
  pointer-events: none;
}

.research-recommendation-card {
  cursor: pointer;
}

.research-recommendation-card .rec-reason {
  color: var(--purple, #4a3a6b);
  font-size: 0.82rem;
}

@media (max-width: 760px) {
  .research-discovery-card h4 {
    padding-right: 0;
  }

  .research-discovery-card .citation-action {
    position: static;
    justify-self: start;
  }

  .research-discovery-status {
    align-items: flex-start;
    flex-direction: column;
  }
}