.knowledge-controls {
  margin-bottom: 1.25rem;
  padding: 1rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
}

.knowledge-search-wrap {
  position: relative;
}

#knowledge-search {
  width: 100%;
  padding: 0.65rem 0.85rem;
  font: inherit;
  color: var(--text);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
}

#knowledge-search:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

.knowledge-search-wrap.is-open #knowledge-search {
  border-bottom-left-radius: 0;
  border-bottom-right-radius: 0;
  border-bottom-color: var(--border);
  box-shadow: none;
}

.knowledge-search-wrap.is-open #knowledge-search:focus {
  box-shadow: none;
}

.knowledge-suggestions {
  position: absolute;
  z-index: 20;
  top: 100%;
  left: 0;
  right: 0;
  margin: 0;
  padding: 0;
  list-style: none;
  max-height: 14rem;
  overflow-y: auto;
  background: var(--surface);
  border: 1px solid var(--border);
  border-top: none;
  border-radius: 0 0 8px 8px;
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.06);
}

.knowledge-suggestions.hidden {
  display: none;
}

.knowledge-suggestions li {
  padding: 0.5rem 0.85rem;
  cursor: pointer;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 0.5rem 0.65rem;
  border-top: 1px solid var(--border);
}

.knowledge-suggestions li:first-child {
  border-top: none;
}

.knowledge-suggestions li:hover,
.knowledge-suggestions li.active {
  background: var(--segment-hover);
}

.knowledge-suggestions li.knowledge-suggestion-empty {
  cursor: default;
  display: block;
  color: var(--muted);
  font-size: 0.9rem;
}

.knowledge-suggestion-title {
  font-weight: 500;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: var(--text);
}

.knowledge-suggestion-topic {
  font-size: 0.75rem;
  color: var(--muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 10rem;
}

.knowledge-level-compact {
  display: inline-block;
  min-width: 1.75rem;
  padding: 0.1rem 0.35rem;
  font-size: 0.68rem;
  font-weight: 700;
  text-align: center;
  letter-spacing: 0.02em;
  color: var(--accent);
  background: var(--accent-soft);
  border-radius: 4px;
}

.knowledge-random-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 0.65rem;
  margin-top: 0.75rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--border);
}

.knowledge-or {
  font-size: 0.85rem;
  color: var(--muted);
  flex: 0 0 auto;
}

#knowledge-topic {
  flex: 1 1 10rem;
  min-width: 8rem;
  padding: 0.55rem 0.75rem;
  font: inherit;
  color: var(--text);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
}

.knowledge-random-btn {
  flex: 0 0 auto;
  padding: 0.55rem 1rem;
  font: inherit;
  font-weight: 600;
  color: var(--surface);
  background: var(--accent);
  border: none;
  border-radius: 8px;
  cursor: pointer;
}

.knowledge-random-btn:hover:not(:disabled) {
  filter: brightness(1.05);
}

.knowledge-random-btn:disabled {
  opacity: 0.6;
  cursor: wait;
}

.knowledge-stats {
  margin: 0.65rem 0 0;
  font-size: 0.82rem;
  color: var(--muted);
}

.knowledge-article {
  margin-top: 0.5rem;
}

.knowledge-article--empty {
  padding: 2rem 1rem;
  text-align: center;
  color: var(--muted);
  border: 1px dashed var(--border);
  border-radius: 12px;
  background: var(--surface);
}

.knowledge-loading,
.knowledge-error,
.knowledge-no-content {
  margin: 1rem 0;
  color: var(--muted);
}

.knowledge-error {
  color: #b91c1c;
}

.article-body {
  margin: 0;
  font-size: 0.95rem;
  color: var(--text);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1rem 1.25rem;
  overflow-x: auto;
}

.article-body.mw-parser-output {
  line-height: 1.6;
}

.article-body.mw-parser-output img {
  max-width: 100%;
  height: auto;
}

.article-body.mw-parser-output table {
  font-size: 0.9rem;
}

.media-item {
  display: inline-block;
  margin: 0.5rem 0.75rem 0.5rem 0;
  vertical-align: top;
  max-width: min(100%, 320px);
}

.media-item img,
.media-item video {
  max-width: 100%;
  height: auto;
  display: block;
}

.media-caption {
  display: block;
  margin-top: 0.25rem;
  font-size: 0.75rem;
  color: var(--muted);
}