.site-tooltip {
  position: fixed;
  z-index: 1000;
  width: max-content;
  max-width: min(20rem, calc(100vw - 16px));
  max-height: calc(100dvh - 16px);
  overflow: auto;
  box-sizing: border-box;
  padding: 0.65rem 0.85rem;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--background, var(--paper, #fafbff));
  color: var(--text, var(--ink, #19223b));
  box-shadow: 0 4px 18px #0002;
  font: 400 0.875rem/1.5 system-ui, sans-serif;
  letter-spacing: normal;
  text-align: left;
  white-space: normal;
  overflow-wrap: break-word;
}
.site-tooltip[hidden] { display: none; }
.ai-marker:focus-visible { outline: 2px solid var(--accent, var(--teal)); outline-offset: 3px; border-radius: 3px; }