:root{--page-grid-line:rgba(90,90,90,.055)}
[data-theme=dark]{--page-grid-line:rgba(180,180,180,.055)}
body{background-image:linear-gradient(var(--page-grid-line) 1px,transparent 1px),linear-gradient(90deg,var(--page-grid-line) 1px,transparent 1px);background-size:38px 38px}
/* Also suppress legacy surface layers while old cached markup is present. */
.surface-grid,.hero-media:before{display:none!important}