.checkers-heading{display:flex;align-items:center;justify-content:space-between;gap:16px;margin:12px 0}.checkers-heading h1{font-size:32px;margin:0}.checkers-heading p{margin:4px 0}.checkers-heading img{width:150px;height:auto}.checkers-settings{display:flex;align-items:end;gap:12px;flex-wrap:wrap;margin-bottom:20px}.checkers-settings label{display:grid;gap:5px;font-weight:700}.checkers-settings select{min-height:44px;padding:8px;border:1px solid #677c76;border-radius:4px;background:#fff;color:#142c26;max-width:100%;font:inherit}.checkers-layout{display:grid;grid-template-columns:minmax(280px,520px) minmax(260px,1fr);gap:32px;align-items:start}.checkers-table{min-width:0}.checkers-board{display:grid;grid-template-columns:repeat(8,minmax(0,1fr));aspect-ratio:1;border:8px solid #173e34;border-radius:6px;overflow:hidden;background:#cee3da;box-shadow:0 7px 0 #0c2820}.checkers-board>span,.checkers-square{aspect-ratio:1;min-width:0;min-height:0}.checkers-square{position:relative;border:0;border-radius:0;background:#356558;display:grid;grid-template-rows:12px minmax(0,1fr);align-items:center;justify-items:center;padding:0;cursor:pointer;font:inherit}.checkers-square:hover{background:#437d6b}.checkers-square:focus-visible{outline:4px solid #ffdf61;outline-offset:-4px;z-index:1}.checkers-square.selected{box-shadow:inset 0 0 0 4px #ffdf61}.checkers-square.destination:after{grid-row:2;content:'';width:28%;height:28%;border-radius:50%;background:#ffdf61;box-shadow:0 0 0 2px #173e34}.checkers-square.hinted{box-shadow:inset 0 0 0 4px #fff}.checkers-number{grid-row:1;justify-self:start;margin-left:3px;font-size:10px;line-height:12px;color:#fff;font-weight:700}.ck-piece{grid-row:2;width:auto;height:90%;aspect-ratio:1;border-radius:50%;display:grid;place-items:center;border:2px solid #5b1821;box-shadow:inset 0 0 0 3px #f58990,0 3px 0 #581a24;position:relative;background:#b92640;color:#fff}.ck-piece.white{background:#fff;border-color:#203d35;box-shadow:inset 0 0 0 3px #c6d3cb,0 3px 0 #152c23;color:#173e34}.ck-piece:before{content:'';position:absolute;inset:18%;border:1px solid currentColor;border-radius:50%;opacity:.65}.ck-piece.king:after{content:'K';font-size:22px;font-weight:900;line-height:1;z-index:1}.ck-piece.king:before{border-radius:2px;transform:rotate(45deg);inset:23%}.checkers-player{display:flex;align-items:center;gap:10px;min-height:48px;color:#183c32}.checkers-player>span:last-child{margin-left:auto;font-size:14px}.checkers-player strong span{display:inline-block;min-width:22px;text-align:right}.ck-token{width:20px;height:20px;border-radius:50%;border:2px solid #173e34;flex:none}.ck-token.red{background:#b92640}.ck-token.white{background:#fff}.checkers-side{min-width:0}.ck-turn{border-left:4px solid #b92640;padding-left:16px}.ck-turn h2{font-size:24px;margin:0 0 10px}.ck-turn p{min-height:66px;line-height:1.55}.ck-metrics{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));border-block:1px solid #b8c9c2;padding:14px 0;margin:18px 0;gap:10px}.ck-metrics span{display:block;font-size:13px;color:#42554e}.ck-metrics strong{font-size:23px;display:block;font-variant-numeric:tabular-nums}.ck-actions{display:flex;gap:8px;flex-wrap:wrap;align-items:center}.ck-icon{width:44px;height:44px;display:grid;place-items:center;border:1px solid #627e72;border-radius:4px;color:#183c32;background:#fff;cursor:pointer}.ck-icon svg{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}.ck-icon:disabled{opacity:.4;cursor:default}.ck-rules{border-top:1px solid #b8c9c2;padding-top:16px;margin-top:18px;line-height:1.55}.ck-rules summary{font-weight:700;cursor:pointer}.ck-rules ul{padding-left:20px}.ck-rules li{margin:8px 0}.ck-review,.ck-history{border-top:1px solid #b8c9c2;padding-top:20px;margin-top:24px}.ck-review h2,.ck-history h2{font-size:22px}.ck-review label{display:grid;gap:8px;max-width:600px}.ck-review input{width:100%;min-height:44px;accent-color:#25664d}.ck-review ol{display:grid;grid-template-columns:repeat(auto-fill,minmax(135px,1fr));gap:5px;max-height:190px;overflow:auto;padding-left:30px}.ck-history ul{padding-left:20px}.ck-history li{margin:10px 0}.ck-history button{white-space:normal;text-align:left}.ck-fact{padding:18px 0;line-height:1.5}.checkers-board.paused{opacity:.45}.checkers-board button:disabled{cursor:default}.checkers-settings button{min-height:44px}#ck-save,#ck-history-status{line-height:1.5;overflow-wrap:anywhere}#checkers [hidden]{display:none!important}@media(max-width:760px){.checkers-layout{grid-template-columns:minmax(0,1fr);gap:22px}.checkers-table{width:100%;max-width:480px;justify-self:center}.checkers-heading img{width:96px}.checkers-heading h1{font-size:27px}.checkers-settings{gap:10px}.checkers-settings label{width:100%}.checkers-board{border-width:5px}.ck-turn p{min-height:0}.ck-piece.king:after{font-size:18px}}@media print{.ck-actions,.checkers-settings,.ck-history{display:none}}