/* System font stack observed in the approved ChatGPT reference. */
:root { --cp-font:-apple-system-body,ui-sans-serif,-apple-system,system-ui,"Segoe UI",Helvetica,"Apple Color Emoji",Arial,sans-serif,"Segoe UI Emoji","Segoe UI Symbol"; font-family:var(--cp-font); font-synthesis:none }
html,body,button,input,textarea,select,option,dialog,h1,h2,h3,h4,h5,h6,p,label,a,small,strong,span,li,dt,dd,summary,output {
    font-family:var(--cp-font);
}
body { -webkit-font-smoothing:antialiased; -moz-osx-font-smoothing:grayscale }
button,input,textarea,select { letter-spacing:inherit }