[data-component="reasoning-icon"] {
  color: var(--icon-strong-base);

  [data-slot="reasoning-icon-percentage"] {
    transition: clip-path 200ms cubic-bezier(0.25, 0, 0.5, 1);
    clip-path: inset(calc(100% - var(--reasoning-icon-percentage) * 100%) 0 0 0);
  }
}