.concept-trigger {
  display: inline;
  padding: 0;
  min-height: 0;
  margin: 0;
  border: 0;
  background: none;
  color: inherit;
  font: inherit;
  letter-spacing: inherit;
  text-transform: inherit;
  text-align: inherit;
  line-height: inherit;
  text-decoration: underline dotted;
  text-underline-offset: 3px;
  cursor: help;
}
.concept-tip {
  position: fixed;
  inset: auto;
  margin: 0;
  padding: 16px;
  border: 1px solid var(--accent, #8be4b0);
  border-radius: 10px;
  background: var(--panel);
  color: var(--text);
  box-shadow: 0 12px 40px #0008;
  overflow-y: auto;
  font-size: 13px;
  line-height: 1.5;
}
.concept-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
}
.concept-heading strong { font-size: 16px; }
.concept-heading .button { flex-shrink: 0; }
.economics-reference {
  padding-block: 16px;
  margin-block: 16px;
  border-block: 1px solid var(--line);
}
.economics-reference h3 { margin-bottom: 8px; }
.economics-reference .dialog-actions { gap: 12px 20px; }