.imperium-ui-boost-hud {
  position: fixed;
  left: 50%;
  bottom: calc(var(--footer-stack-h, 88px) + 12px);
  transform: translateX(-50%) translateY(8px);
  z-index: 10050;
  padding: 8px 14px;
  border-radius: 6px;
  background: rgba(0, 0, 0, 0.92);
  border: 1px solid rgba(0, 168, 204, 0.45);
  color: #c8e8f4;
  font-family: var(--font-bloomberg, var(--mono));
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.imperium-ui-boost-hud.visible {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}