[data-slot=button]{--button-spinner-size: 1rem;--button-spinner-transition: .12s ease}[data-slot=button] .button-spinner{display:inline-flex;align-items:center;justify-content:center;width:0;opacity:0;overflow:hidden;transition:width var(--button-spinner-transition),opacity var(--button-spinner-transition)}[data-slot=button][data-loading=true] .button-spinner{width:var(--button-spinner-size);opacity:1}