.message-row.briefing {
  max-width: min(680px, 96%);
}
.message-row.briefing .briefing-intro {
  margin-bottom: 8px;
  font-weight: 700;
}
.message-row.briefing .briefing-line {
  margin: 7px 0;
  padding-left: 10px;
  border-left: 2px solid rgba(34, 240, 107, .35);
  line-height: 1.5;
}
.message-row.briefing .briefing-line strong {
  color: var(--green);
  font-weight: 750;
}
.mantica-explain-field {
  position: relative;
}
.mantica-explain {
  width: 18px;
  height: 18px;
  margin-left: 5px;
  border: 1px solid rgba(34, 240, 107, .4);
  border-radius: 50%;
  background: transparent;
  color: var(--green);
  cursor: pointer;
  font: 800 11px/16px Arial, sans-serif;
  text-align: center;
  vertical-align: 1px;
  opacity: .75;
}
.mantica-explain:hover,
.mantica-explain:focus-visible {
  opacity: 1;
  outline: 2px solid rgba(34, 240, 107, .24);
  outline-offset: 2px;
}
.mantica-explain-pop {
  grid-column: 1 / -1;
  margin: 2px 0 4px;
  padding: 9px 10px;
  border: 1px solid rgba(34, 240, 107, .3);
  border-radius: 8px;
  background: rgba(8, 18, 14, .98);
  color: var(--text);
  font-size: 12px;
  line-height: 1.45;
  box-shadow: 0 8px 24px rgba(0, 0, 0, .3);
  animation: manticaExplainIn .12s ease-out;
}
@keyframes manticaExplainIn {
  from { opacity: 0; transform: translateY(-2px); }
  to { opacity: 1; transform: translateY(0); }
}