/* Original cave poster and optional generated motion, behind shell content. */
.casino-cavern{position:fixed;inset:0;z-index:0;overflow:hidden;pointer-events:none;user-select:none;contain:strict;background:#100c19}
.casino-cavern-art,.casino-cavern-shade{position:absolute;pointer-events:none}
.casino-cavern-art{background:url('./assets/casino-cavern-v18.png') center/100% 100% no-repeat;opacity:.69;image-rendering:pixelated;overflow:hidden}
.casino-cavern-video{display:block;width:100%;height:100%;object-fit:cover;pointer-events:none;opacity:0;transition:opacity .45s ease;image-rendering:auto}
.casino-cavern-video-ready .casino-cavern-video{opacity:1}
.casino-cavern-shade{inset:0;background:linear-gradient(180deg,#100c194a,transparent 23%,#100c1920 72%,#100c1966),radial-gradient(ellipse at 52% 45%,#100c19e8 0%,#100c19cd 32%,#100c1966 66%,#100c191a 100%)}
/* One body-level stream behind every route. Personal profile layers stay above it. */
body>.shell{position:relative;z-index:1;background:transparent}
@media(max-width:760px){.casino-cavern-art{opacity:.51}.casino-cavern-shade{background:linear-gradient(180deg,#100c1955,#100c1999 30%,#100c19b5 66%,#100c1944)}}
@media(prefers-reduced-motion:reduce){.casino-cavern-video{display:none;transition:none}}
@media print{.casino-cavern{display:none}}