.kb {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 7px;
  border-radius: 3px;
  font-size: 9px;
  font-family: "Space Mono", ui-monospace, monospace;
  font-weight: 500;
  letter-spacing: 0.03em;
  text-decoration: none;
  white-space: nowrap;
  line-height: 1.4;
  vertical-align: middle;
}
.kb-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  flex: 0 0 auto;
}
.kb-empty {
  color: #94a3b8;
  background: rgba(148, 163, 184, 0.1);
  border: 1px solid rgba(148, 163, 184, 0.35);
}
.kb-empty .kb-dot {
  background: #94a3b8;
}
.kb-building {
  color: #34d399;
  background: rgba(52, 211, 153, 0.1);
  border: 1px solid rgba(52, 211, 153, 0.45);
}
.kb-building .kb-dot {
  background: #34d399;
  animation: kb-pulse 2.4s ease-in-out infinite;
}
@keyframes kb-pulse {
  0%,
  100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.35; transform: scale(0.8); }
}
@media (prefers-reduced-motion: reduce) {
  .kb-building .kb-dot { animation: none; }
}
.knowledge-legend {
  flex-basis: 100%;
  margin: 2px 0 0;
  font-size: 11px;
  color: var(--muted, #6b7fa3);
  line-height: 1.45;
}
.knowledge-legend a { color: var(--accent, #34d399); }