/* Top-of-page glow, matching poker. and retro. This is a deliberate exception
   to the house style, which avoids gradients, so it stays out of house.css.
   Same shape and strength as proto-poker-cf's --bg-glow. */
:root{--bg-glow:radial-gradient(60% 50% at 50% 0%,rgba(84,104,224,.10),transparent)}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){--bg-glow:radial-gradient(60% 50% at 50% 0%,rgba(108,140,255,.14),transparent)}}
:root[data-theme="dark"]{--bg-glow:radial-gradient(60% 50% at 50% 0%,rgba(108,140,255,.14),transparent)}
body{background-image:var(--bg-glow);background-size:100% 100vh;background-repeat:no-repeat}