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var(--bk-grain,url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='360' height='360'%3E%3Cfilter id='a' x='0' y='0' width='100%25' height='100%25'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.6 .006' numOctaves='4' seed='11' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 .44 0 0 0 0 .26 0 0 0 0 .08 1.05 0 0 0 -.48'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23a)'/%3E%3C/svg%3E")) 0 0 / 360px 360px repeat, linear-gradient(168deg, var(--bk-wood-1,#ead1a0) 0%, var(--bk-wood-2,#e2c48c) 50%, var(--bk-wood-3,#d6b57a) 100%)}.bk-wood-cell{background-image:var(--bk-cell-grain,url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='a' x='0' y='0' width='100%25' height='100%25'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.04 .6' numOctaves='4' seed='5'/%3E%3CfeColorMatrix values='0 0 0 0 .44 0 0 0 0 .26 0 0 0 0 .08 .48 0 0 0 -.2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23a)'/%3E%3C/svg%3E"));background-size:100% 100%}.bk-engraved{filter:drop-shadow(1px 1px #fff0cecc)drop-shadow(-1px -1px #46240c42)}.bk-disc:is(.is-ivory,.is-ebony,.is-gold,.is-red,.is-blue){font-size:var(--bk-disc-em,100cqi);background:radial-gradient(ellipse 38% 24% at 50% 24%, rgba(255, 255, 255, var(--bk-sheen)), transparent 100%), radial-gradient(circle at 50% 40%, var(--bk-hi) 0, var(--bk-top) 48%, var(--bk-lo) 100%);box-shadow:inset 0 .016em 0 var(--bk-lip-hi), inset 0 -.022em .008em var(--bk-lip-lo), 0 .034em 0 var(--bk-side), var(--bk-disc-drop,0 .05em .05em #0000004d, 0 .09em .13em #00000024);will-change:var(--piece-layer,auto);border:0;border-radius:50%;transform:translateY(-.017em)}.bk-disc.is-ivory{--bk-hi:#fcf8ee;--bk-top:#efe6d1;--bk-lo:#dccdae;--bk-lip-hi:#fffffff2;--bk-lip-lo:#7a623c61;--bk-side:#b5a17b;--bk-sheen:.3}.bk-disc.is-ebony{--bk-hi:#47423c;--bk-top:#2d2a26;--bk-lo:#1e1c1a;--bk-lip-hi:#ffffff2b;--bk-lip-lo:#0000008c;--bk-side:#0d0c0b;--bk-sheen:.07}.bk-disc.is-gold{--bk-hi:#f6dd8f;--bk-top:#ddb24e;--bk-lo:#b98a2c;--bk-lip-hi:#fff6d2e6;--bk-lip-lo:#5a3c0a73;--bk-side:#7d5a17;--bk-sheen:.25}.bk-disc.is-red{--bk-hi:#cf5546;--bk-top:#b7382d;--bk-lo:#9c2b23;--bk-lip-hi:#ffcdba80;--bk-lip-lo:#40080480;--bk-side:#6c1b15;--bk-sheen:.13}.bk-disc.is-blue{--bk-hi:#5d9fd6;--bk-top:#2f6ea6;--bk-lo:#22568a;--bk-lip-hi:#c8e4ff8c;--bk-lip-lo:#08183480;--bk-side:#163d63;--bk-sheen:.16}.bk-disc.is-lifted{--bk-disc-drop:0 .17em .15em #00000038, 0 .26em .3em #0000001f;transform:translateY(-.075em)scale(1.08)}.bk-cell.is-last-from{box-shadow:inset 0 0 0 100vmax #96581c2b}.bk-cell.is-last-to{box-shadow:inset 0 0 0 100vmax #96581c57}.bk-cell.is-last-from.is-mix{box-shadow:inset 0 0 0 100vmax #e2c12f42}.bk-cell.is-last-to.is-mix{box-shadow:inset 0 0 0 100vmax #e2c12f75}.bk-dot{aspect-ratio:1;pointer-events:none;background:#28221c66;border-radius:50%;width:max(8px,20%)}.bk-dot.is-on-piece{z-index:7;background:#28221c94;position:absolute;box-shadow:0 0 0 2px #fffaebcc}.bk-ring-light{box-sizing:border-box;pointer-events:none;background:radial-gradient(circle,#fff8e66b 0 58%,#fff8e62e 72%);border:max(2.5px,.06em) solid #fff7e4;border-radius:50%;box-shadow:0 0 0 1px #5c381647,0 0 9px 2px #ffecba99}.bk-capture-ring{box-sizing:border-box;aspect-ratio:1;pointer-events:none;border:max(3px,5cqi) solid #c43424c7;border-radius:50%;width:86%}.bk-fit-ring{--bk-fit-sw:max(2px, calc(var(--bk-fit-w) * .045));--bk-fit-g:calc(var(--bk-fit-sw) + var(--bk-fit-gap,max(1.5px, calc(var(--bk-fit-w) * .035))));z-index:var(--bk-fit-z,6);left:50%;top:calc(50% + var(--bk-fit-cy,0px));box-sizing:border-box;width:calc(var(--bk-fit-w) + 2 * var(--bk-fit-g));height:calc(var(--bk-fit-h,var(--bk-fit-w)) + 2 * var(--bk-fit-g) + var(--bk-fit-rise,0px));translate:-50% calc(-50% - var(--bk-fit-rise,0px) / 2);border:var(--bk-fit-sw) solid transparent;border-radius:var(--bk-fit-radius,calc(var(--bk-fit-w) / 2 + var(--bk-fit-g)) / calc(var(--bk-fit-ry,calc(var(--bk-fit-h,var(--bk-fit-w)) / 2)) + var(--bk-fit-g)));pointer-events:none;position:absolute}.bk-fit-ring.is-hover{border-color:#fff7e4b3}.bk-fit-ring.is-capture{--bk-fit-z:1;--bk-fit-sw:max(3px, calc(var(--bk-fit-w) * .075));--bk-fit-gap:.5px;border-color:#ce2a1c8c;box-shadow:0 0 6px 2px #d6302052,inset 0 0 4px #d6302047}.bk-fit-ring.is-target{border-color:#fff7e4;box-shadow:0 0 0 1px #5c38164d,0 0 9px 2px #ffecba99}.bk-fit-ring.is-last{border-color:#fffdf4d9;box-shadow:0 0 6px 2px #fffae88c,inset 0 0 4px 1px #fffae859}.bk-fit-ring.is-selected{--bk-fit-sw:3px;--bk-fit-gap:.5px;border-color:var(--bk-select-line,#fffdf6);box-shadow:var(--bk-select-glow,0 0 3px 1px #fffffff2, 0 1px 6px 2px #46280a59, 0 0 14px 5px #fffaeb99);transform-origin:50% calc(50% + var(--bk-fit-rise,0px) / 2 - var(--bk-fit-cy,0px));transform:translateY(var(--bk-fit-lift-y,calc(var(--bk-fit-w) * -.0763))) scale(var(--bk-fit-lift-s,1.08))}:root{--bk-select-filter:drop-shadow(1.5px 0 0 #fffdf6) drop-shadow(-1.5px 0 0 #fffdf6) drop-shadow(0 1.5px 0 #fffdf6) drop-shadow(0 -1.5px 0 #fffdf6) drop-shadow(0 1px 4px #46280a73) drop-shadow(0 0 6px #fffaebcc)}.bk-select-gold{--bk-select-line:#ffd23f;--bk-select-glow:0 0 4px 1px #ffd640f2, 0 0 12px 4px #ffc42899, inset 0 0 3px #ffdc5ab3;--bk-select-filter:drop-shadow(1.5px 0 0 #ffd23f) drop-shadow(-1.5px 0 0 #ffd23f) drop-shadow(0 1.5px 0 #ffd23f) drop-shadow(0 -1.5px 0 #ffd23f) drop-shadow(0 0 5px #ffc832e6)}.bk-last-from{z-index:var(--bk-fit-z,6);width:max(12px, calc(var(--bk-fit-w,88%) * .35));aspect-ratio:1;pointer-events:none;background:radial-gradient(circle,#fffdf4 0 24%,#fffae280 31%,#fffae200 42%);border-radius:50%;position:absolute;top:50%;left:50%;translate:-50% -50%;box-shadow:inset 0 0 0 2px #fffdf4fa,0 0 8px 2px #fff6d0c7}