/* Reserved banner sizes: desktop 728 x 90; below 800px 320 x 50.
   150px separation from the game surface; no sticky/overlay placements. */
.ark-banner { display:none; }
html[data-ark-ads="true"] .ark-banner:not([hidden]) { display:block; box-sizing:border-box; width:728px; height:90px; margin:150px auto; contain:strict; }
@media(max-width:799px) { html[data-ark-ads="true"] .ark-banner:not([hidden]) { width:320px; height:50px; } }
a:focus-visible, button:focus-visible { outline:3px solid #136458; outline-offset:4px; }
.ark-banner, .ark-host-footer { flex-shrink:0; }
.ark-host-footer { padding:12px 20px; text-align:center; background:#080e1b; color:#b5c5dd; font:12px/1.7 system-ui,sans-serif; }
.ark-host-footer a { color:inherit; text-underline-offset:3px; }