.tooltip-hover-bubble {
  position: fixed;
  z-index: 9999;
  max-width: 260px;
  padding: 8px 10px;
  font-size: 13px;
  line-height: 1.2;
  background: rgba(20, 20, 20, 0.92);
  color: #fff;
  border-radius: 10px;
  border: 1px solid var(--hover-background);
  box-shadow: 0 0 10px rgba(0,0,0,0.35);
  backdrop-filter: blur(2px);
  pointer-events: none;
  transform-origin: left top;
  opacity: 0;
  visibility: hidden;
  transition: opacity 180ms ease, transform 180ms ease, visibility 0s linear 180ms;
  transform: translateY(6px) scale(0.99);
  white-space: normal;
  word-break: break-word;
  padding-right: 12px;
}

.tooltip-hover-bubble.visible {
  opacity: 1;
  visibility: visible;
  transition: opacity 180ms ease, transform 180ms ease, visibility 0s linear 0s;
  transform: translateY(0px) scale(1);
}