:root{--card-bg:255,255,255;--card-brd:228,228,231}.card{background:rgba(var(--card-bg),0.8);border:1px solid rgba(var(--card-brd),0.8);backdrop-filter:saturate(1.1) blur(6px);box-shadow:0 1px 0 rgba(0,0,0,0.04)}