.tool-workstation-card {
  padding: var(--space-6);
  background-color: var(--color-bg-surface-elevated);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  margin-bottom: var(--space-6);
}
.speaker-cone-box.active-pulse {
  border-color: var(--color-brand) !important;
  background-color: rgba(31, 94, 255, 0.08);
  transform: scale(1.05);
}
.speaker-cone-box.active-pulse svg {
  color: var(--color-brand) !important;
  animation: pulse-icon 0.5s infinite alternate;
}
@keyframes pulse-icon {
  from { transform: scale(1); }
  to { transform: scale(1.15); }
}