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rgba(232,185,63,0.14)}.solver-cell{position:relative;z-index:1;min-width:0;min-height:0;border-right:1px solid rgba(169,139,97,0.42);border-bottom:1px solid rgba(169,139,97,0.42);background:#fffdf7;cursor:pointer}.solver-cell:nth-child(3n){border-right-color:rgba(50,21,7,0.76);border-right-width:2px}.solver-cell:nth-child(9n){border-right:0}.solver-cell:nth-child(n+19):nth-child(-n+27),.solver-cell:nth-child(n+46):nth-child(-n+54){border-bottom-color:rgba(50,21,7,0.76);border-bottom-width:2px}.solver-cell:nth-child(n+73){border-bottom:0}.solver-cell input{position:relative;z-index:3;width:100%;height:100%;border:0;caret-color:transparent;color:var(--ink);cursor:pointer;background:transparent;font-size:clamp(22px,4.2vw,42px);font-weight:950;text-align:center;outline:none;user-select:none}.solver-cell input::selection{background:transparent}.solver-cell.given input{color:var(--accent-dark)}.solver-cell.peer{background:#fff2d7}.solver-cell.box-peer{background:#fbe8c2}.solver-cell.selected{z-index:6;color:#fff;background:var(--accent)}.solver-cell.selected input{color:#fff}.solver-cell.same-number:not(.selected){background:#f9d9cc}.solver-cell.same-number:not(.selected) input{color:var(--accent-dark)}.solver-cell.cage-used:not(.selected):not(.cage-draft){background:radial-gradient(circle at 50% 52%,rgba(232,185,63,0.18),transparent 48%),#fff8e8}.solver-cell.cage-draft{z-index:5;background:radial-gradient(circle at 50% 54%,rgba(200,68,45,0.26),transparent 48%),#ffe3d7;box-shadow:inset 0 0 0 3px rgba(200,68,45,0.72),inset 0 0 0 6px rgba(255,253,247,0.72)}.solver-cell.cage-draft input{color:var(--accent-dark)}.solver-cell:focus-within{background:#fff1c7}.solver-cell.selected:focus-within{background:var(--accent)}.solver-cell.conflict{background:#ffe1dc}.solver-cell.hint-cell{z-index:3;background:radial-gradient(circle at 50% 54%,rgba(53,119,92,0.28),transparent 46%),#e9f4df;box-shadow:inset 0 0 0 3px rgba(53,119,92,0.88),inset 0 0 0 6px rgba(255,253,247,0.78),0 0 0 2px rgba(53,119,92,0.20)}.solver-cell.hint-cell::after{content:attr(data-marker);position:absolute;top:4px;left:4px;z-index:5;padding:2px 4px;border-radius:5px;color:#fff;background:rgba(53,119,92,0.96);font:950 clamp(8px,1vw,11px)/1 ui-monospace,"SFMono-Regular",Consolas,monospace;letter-spacing:0;pointer-events:none}.solver-cell.hint-cell[data-marker-value]::before{content:attr(data-marker-value);position:absolute;inset:0;z-index:4;display:grid;place-items:center;color:rgba(53,119,92,0.94);font-size:clamp(24px,4.4vw,46px);font-weight:950;pointer-events:none}.solver-cell.eliminate-cell{background:#fff1c5}.solver-board.mode-killer .solver-cell{border-color:rgba(50,21,7,0.10)}.solver-board.mode-killer .solver-cell:nth-child(3n){border-right-color:rgba(0,0,0,0.58)}.solver-board.mode-killer .solver-cell:nth-child(n+19):nth-child(-n+27),.solver-board.mode-killer .solver-cell:nth-child(n+46):nth-child(-n+54){border-bottom-color:rgba(0,0,0,0.58)}.solver-board.mode-jigsaw .solver-cell{border-color:rgba(50,21,7,0.14)}.solver-board.mode-jigsaw .region-0{background:#fff8e7}.solver-board.mode-jigsaw .region-1{background:#ffe7d7}.solver-board.mode-jigsaw .region-2{background:#fff1c2}.solver-board.mode-jigsaw .region-3{background:#f7e7ff}.solver-board.mode-jigsaw .region-4{background:#ffe9ed}.solver-board.mode-jigsaw .region-5{background:#e9f5ff}.solver-board.mode-jigsaw .region-6{background:#eef7dc}.solver-board.mode-jigsaw .region-7{background:#fce7bc}.solver-board.mode-jigsaw .region-8{background:#ece7ff}.solver-board.mode-sudoku-x .diagonal-cell,.solver-board.mode-hyper .hyper-cell{background:#ffe9d4}.solver-board.mode-samurai .samurai-overlap-cell{background:linear-gradient(135deg,rgba(200,68,45,0.18),rgba(232,185,63,0.14)),#fff4d8}.solver-board.mode-samurai .samurai-center-cell{background:radial-gradient(circle at 50% 50%,rgba(53,119,92,0.08),transparent 54%),#fffdf7}.solver-board.mode-consecutive .solver-cell::after,.solver-board.mode-consecutive .solver-cell::before{content:"";position:absolute;z-index:5;border-radius:999px;background:rgba(200,68,45,0.9);pointer-events:none}.solver-board.mode-consecutive .consecutive-r::after{top:32%;right:-3px;width:6px;height:36%}.solver-board.mode-consecutive .consecutive-b::before{left:32%;bottom:-3px;width:36%;height:6px}.solver-variant-overlay{position:absolute;inset:0;z-index:7;width:100%;height:100%;overflow:visible;pointer-events:none}.solver-cage-line,.solver-cage-line-halo{fill:none;vector-effect:non-scaling-stroke;shape-rendering:geometricPrecision}.solver-cage-line-halo{stroke:rgba(255,253,247,0.96);stroke-width:2;stroke-dasharray:2.8 2;stroke-linecap:round;stroke-linejoin:round}.solver-cage-line{stroke:rgba(200,68,45,0.98);stroke-width:0.95;stroke-dasharray:2.8 2;stroke-linecap:round;stroke-linejoin:round}.solver-cage-sum-label{fill:#8f281b;stroke:rgba(255,253,247,0.96);stroke-width:0.055px;paint-order:stroke fill;font-family:ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;font-size:0.24px;font-weight:950;letter-spacing:0;pointer-events:none;user-select:none}.solver-thermo-overlay path,.solver-thermo-overlay circle{fill:none;stroke:rgba(200,68,45,0.55);stroke-width:0.14;stroke-linecap:round;stroke-linejoin:round;vector-effect:non-scaling-stroke}.solver-thermo-overlay circle{fill:rgba(255,248,229,0.78)}.solver-notes{