.tool-loading {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  min-height: 22px;
  margin-top: 14px;
  color: var(--ink-soft);
  font-size: 14px;
  font-weight: 600;
  opacity: 0;
  visibility: hidden;
  transition: opacity 160ms ease;
}

.tool-loading.is-visible,
.htmx-request .tool-loading,
.htmx-request.tool-loading {
  opacity: 1;
  visibility: visible;
}

.loading-spinner {
  width: 16px;
  height: 16px;
  flex: 0 0 16px;
  border: 2px solid currentColor;
  border-right-color: transparent;
  border-radius: 50%;
  animation: tool-loading-spin 700ms linear infinite;
}

@keyframes tool-loading-spin {
  to { transform: rotate(360deg); }
}

@media (prefers-reduced-motion: reduce) {
  .loading-spinner {
    animation-duration: 1400ms;
  }
}