.caption {
  position: fixed;
  z-index: 650;
  text-align: center;
  pointer-events: none;
}

.caption span {
  display: inline-block;
  max-width: 100%;
  overflow: hidden;
  padding: 5px 12px;
  border: 1px solid var(--chrome-border);
  border-radius: var(--radius-control);
  background: var(--material-raised);
  box-shadow: var(--shadow-panel), var(--glass-edge);
  backdrop-filter: var(--glass-blur);
  color: var(--chrome-text);
  font-size: 12px;
  font-weight: 500;
  line-height: 1;
  text-overflow: ellipsis;
  white-space: nowrap;
}