/* Optional Bitmap theme: irregular orange masonry with charcoal seams. The 8x8 play grid remains regular. */
body[data-theme="bitmap"]{--ink:#fff1d8;--muted:#c9bbab;--glass:#1b1e20;--line:#715333;--gold:#ff9a20;--light:#f2c487;--dark:#292b2c;background:#111315;color:#fff1d8}
body[data-theme="bitmap"] .world{background:radial-gradient(ellipse at 52% 34%,#2b2924 0,#181a1b 48%,#0c0e10 100%);box-shadow:none}
body[data-theme="bitmap"] .world::before{display:block!important;content:"";position:absolute;inset:0;background:url('assets/bitmap-mosaic.svg') 0 0/256px 256px;opacity:.14;filter:saturate(.8);mask-image:radial-gradient(ellipse at center,transparent 10%,#000 85%);pointer-events:none}
body[data-theme="bitmap"] .world::after{display:none!important}
body[data-theme="bitmap"] .knight-stickers{opacity:.28;filter:grayscale(1) sepia(.7) saturate(2)}
body[data-theme="bitmap"] #ambient-drops{opacity:.18;filter:sepia(1) saturate(2.5) hue-rotate(-12deg)}
body[data-theme="bitmap"] .board-wrap,body.gold-world[data-theme="bitmap"] .board-wrap{position:relative;padding:12px!important;background:#17191a!important;border:2px solid #a94d0f!important;border-radius:0!important;box-shadow:0 0 0 2px #111315,0 0 0 4px #805026,0 18px 35px #0009!important}
body[data-theme="bitmap"] .board-wrap::before,body[data-theme="bitmap"] .board-wrap::after{display:none!important}
body[data-theme="bitmap"] .board,body.gold-world[data-theme="bitmap"] .board{background:#292b2c!important;border:2px solid #151718!important;border-radius:0!important;box-shadow:0 0 0 2px #f8b255,inset 0 0 0 2px #111315!important}
body[data-theme="bitmap"] .sq,body.gold-world[data-theme="bitmap"] .sq{background:#e8ad5d url('assets/bitmap-square-light-1.svg') center/100% 100% no-repeat!important;box-shadow:inset 0 0 0 1px #49352135!important}
body[data-theme="bitmap"] .sq.dark,body.gold-world[data-theme="bitmap"] .sq.dark{background:#292b2c url('assets/bitmap-square-dark-1.svg') center/100% 100% no-repeat!important;box-shadow:inset 0 0 0 1px #f1a64224!important}
body[data-theme="bitmap"] .sq:nth-child(6n+2),body.gold-world[data-theme="bitmap"] .sq:nth-child(6n+2){background-image:url('assets/bitmap-square-light-2.svg')!important}
body[data-theme="bitmap"] .sq:nth-child(6n+3),body.gold-world[data-theme="bitmap"] .sq:nth-child(6n+3){background-image:url('assets/bitmap-square-light-3.svg')!important}
body[data-theme="bitmap"] .sq:nth-child(6n+4),body.gold-world[data-theme="bitmap"] .sq:nth-child(6n+4){background-image:url('assets/bitmap-square-light-4.svg')!important}
body[data-theme="bitmap"] .sq:nth-child(6n+5),body.gold-world[data-theme="bitmap"] .sq:nth-child(6n+5){background-image:url('assets/bitmap-square-light-5.svg')!important}
body[data-theme="bitmap"] .sq:nth-child(6n),body.gold-world[data-theme="bitmap"] .sq:nth-child(6n){background-image:url('assets/bitmap-square-light-6.svg')!important}
body[data-theme="bitmap"] .sq.dark:nth-child(6n+2),body.gold-world[data-theme="bitmap"] .sq.dark:nth-child(6n+2){background-image:url('assets/bitmap-square-dark-2.svg')!important}
body[data-theme="bitmap"] .sq.dark:nth-child(6n+3),body.gold-world[data-theme="bitmap"] .sq.dark:nth-child(6n+3){background-image:url('assets/bitmap-square-dark-3.svg')!important}
body[data-theme="bitmap"] .sq.dark:nth-child(6n+4),body.gold-world[data-theme="bitmap"] .sq.dark:nth-child(6n+4){background-image:url('assets/bitmap-square-dark-4.svg')!important}
body[data-theme="bitmap"] .sq.dark:nth-child(6n+5),body.gold-world[data-theme="bitmap"] .sq.dark:nth-child(6n+5){background-image:url('assets/bitmap-square-dark-5.svg')!important}
body[data-theme="bitmap"] .sq.dark:nth-child(6n),body.gold-world[data-theme="bitmap"] .sq.dark:nth-child(6n){background-image:url('assets/bitmap-square-dark-6.svg')!important}
body[data-theme="bitmap"] .sq .coord{color:#63431e!important;font-weight:800;text-shadow:none!important}
body[data-theme="bitmap"] .sq.dark .coord{color:#f6cb8c!important}
body[data-theme="bitmap"] .piece.w{filter:drop-shadow(0 0 1px #4a2d12) drop-shadow(0 2px 1px #22170b)!important}
body[data-theme="bitmap"] .piece.b{filter:drop-shadow(0 0 1.5px #ffb347) drop-shadow(0 0 1px #ffb347) drop-shadow(0 2px 1px #0a0b0b)!important}
body[data-theme="bitmap"] .sq.last,body[data-theme="bitmap"] .sq.dark.last,body.gold-world[data-theme="bitmap"] .sq.last,body.gold-world[data-theme="bitmap"] .sq.dark.last{box-shadow:inset 0 0 0 2px #181818,inset 0 0 0 4px #ffe6ae!important}
body[data-theme="bitmap"] .sq.selected,body[data-theme="bitmap"] .sq.dark.selected,body[data-theme="bitmap"] .sq.drop-target,body[data-theme="bitmap"] .sq.dark.drop-target,body.gold-world[data-theme="bitmap"] .sq.selected,body.gold-world[data-theme="bitmap"] .sq.dark.selected,body.gold-world[data-theme="bitmap"] .sq.drop-target,body.gold-world[data-theme="bitmap"] .sq.dark.drop-target{box-shadow:inset 0 0 0 2px #102e2d,inset 0 0 0 5px #86fff1!important}
body[data-theme="bitmap"] .sq.checked,body[data-theme="bitmap"] .sq.dark.checked,body.gold-world[data-theme="bitmap"] .sq.checked,body.gold-world[data-theme="bitmap"] .sq.dark.checked{box-shadow:inset 0 0 0 2px #fff4dc,inset 0 0 0 6px #ec3528!important}
body[data-theme="bitmap"] .sq.legal::after{background:#148f8c!important;border:2px solid #eafff5!important;box-shadow:0 0 0 1px #123e3d!important}
body[data-theme="bitmap"] .sq.legal.capture::after{background:#ef642e99!important;border:3px solid #fff0ba!important}
body[data-theme="bitmap"] .sq.legal.fusion::after{background:#f4a629aa!important;border:3px solid #fff3cf!important}
body[data-theme="bitmap"] .sq.premove-source,body[data-theme="bitmap"] .sq.dark.premove-source,body.gold-world[data-theme="bitmap"] .sq.premove-source,body.gold-world[data-theme="bitmap"] .sq.dark.premove-source{box-shadow:inset 0 0 0 4px #a874f4,inset 0 0 0 6px #2b2039!important}
body[data-theme="bitmap"] .sq.premove-target,body[data-theme="bitmap"] .sq.dark.premove-target,body.gold-world[data-theme="bitmap"] .sq.premove-target,body.gold-world[data-theme="bitmap"] .sq.dark.premove-target{box-shadow:inset 0 0 0 4px #ffd45c,inset 0 0 0 6px #704615!important}
body[data-theme="bitmap"] .sq.premove-option::after{background:#ffd45c!important;border-color:#301e12!important}
body[data-theme="bitmap"] .sq:focus-visible{outline:3px solid #fff1c1!important;outline-offset:-4px!important;z-index:8}
body[data-theme="bitmap"] .gold-star{color:#ffe49c!important}
body[data-theme="bitmap"] .board-drops{opacity:.15!important}
@media(max-width:800px){body[data-theme="bitmap"] .board-wrap,body.gold-world[data-theme="bitmap"] .board-wrap{padding:9px!important}}
@media(max-width:480px){body[data-theme="bitmap"] .board-wrap,body.gold-world[data-theme="bitmap"] .board-wrap{padding:5px!important;border-width:2px!important;box-shadow:0 0 0 2px #805026,0 5px 12px #0008!important}}
@media(orientation:portrait){body.game-focus[data-theme="bitmap"]{background:#141617!important}body.game-focus[data-theme="bitmap"] .board-wrap,body.game-focus.gold-world[data-theme="bitmap"] .board-wrap{padding:3px!important;border:1px solid #9a571b!important;box-shadow:0 0 0 2px #292b2c!important}body.game-focus[data-theme="bitmap"] .board{border:1px solid #151718!important}body.game-focus[data-theme="bitmap"] .board-toolbar{background:transparent!important;border:0!important;box-shadow:none!important}}
@media(orientation:landscape) and (max-height:500px) and (pointer:coarse){body.game-focus[data-theme="bitmap"] .board-wrap{padding:4px!important;border-width:1px!important}}
@media(prefers-reduced-motion:reduce){body[data-theme="bitmap"] .world::before{animation:none!important}body[data-theme="bitmap"] .board-wrap,body[data-theme="bitmap"] .sq{transition:none!important}}