.message-unread-boundary {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  margin: 8px 0 12px;
  color: rgba(128, 180, 255, 0.94);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.message-unread-boundary::before,
.message-unread-boundary::after {
  content: '';
  flex: 1 1 auto;
  height: 1px;
  background: rgba(96, 156, 235, 0.35);
}

.message-unread-boundary span {
  flex: 0 0 auto;
}

.thread-cache-notice {
  flex: 0 0 auto;
  width: 100%;
  margin: 0 0 8px;
  padding: 6px 10px;
  border: 1px solid rgba(110, 139, 180, 0.24);
  border-radius: 10px;
  background: rgba(29, 43, 65, 0.42);
  color: rgba(193, 207, 229, 0.72);
  font-size: 11px;
  line-height: 1.3;
  text-align: center;
}