/* Scoped to the mount root; reuses the live site's Material-style tokens. */
.killer-sudoku{display:block;--ks-primary:var(--color-primary,#091426);--ks-secondary:var(--color-secondary,#00687a);--ks-cyan:var(--color-secondary-container,#57dffe);--ks-surface:var(--color-surface-container-lowest,#fff);--ks-muted:var(--color-on-surface-variant,#45474c);--ks-outline:var(--color-outline-variant,#c5c6cd);--ks-error:var(--color-error,#ba1a1a);font-family:var(--font-body,Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif);color:var(--ks-primary);max-width:560px;width:100%;margin:auto;font-size:14px;box-sizing:border-box}.killer-sudoku *{box-sizing:border-box}.killer-sudoku [hidden]{display:none!important}.killer-sudoku button,.killer-sudoku select,.killer-sudoku input,.killer-sudoku textarea{font:inherit;color:inherit}.killer-sudoku button{cursor:pointer;-webkit-tap-highlight-color:transparent;touch-action:manipulation}.killer-sudoku button:disabled{opacity:.4;cursor:default}.killer-sudoku :focus-visible{outline:3px solid var(--ks-secondary);outline-offset:3px}.killer-sudoku .ks-game{background:var(--ks-surface);padding:25px 26px 20px;border:1px solid #e3e6ec;border-radius:20px;box-shadow:0 5px 28px #09142606}.killer-sudoku .ks-topline{display:flex;align-items:center;justify-content:space-between;gap:15px;margin-bottom:21px}.killer-sudoku .ks-eyebrow{font-family:var(--font-mono,"Courier New",monospace);font-size:9px;letter-spacing:1.8px;font-weight:700;color:#8390a5}.killer-sudoku .ks-date{font-size:14px;font-weight:650;margin-top:6px}.killer-sudoku .ks-timer{font-family:var(--font-mono,"Courier New",monospace);font-variant-numeric:tabular-nums;font-size:14px;color:#536279;display:flex;gap:7px;align-items:center}.killer-sudoku .ks-settings{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:14px}.killer-sudoku .ks-modes{display:flex;background:#f1f4f8;border-radius:9px;padding:4px;gap:3px}.killer-sudoku .ks-modes button{border:0;background:transparent;color:#7c8798;font-size:11px;padding:8px 19px;border-radius:6px;font-weight:650}.killer-sudoku .ks-modes button.ks-active{background:var(--ks-primary);color:white;box-shadow:0 2px 4px #09142616}.killer-sudoku .ks-level-label select{background:#fff;border:1px solid #dde3eb;border-radius:8px;padding:8px 28px 8px 11px;font-size:11px;font-weight:600}.killer-sudoku .ks-subsettings{display:flex;align-items:center;justify-content:space-between;min-height:30px;margin-bottom:14px;gap:10px}.killer-sudoku .ks-subsettings label{font-size:9px;color:#8b96a7;display:flex;align-items:center;gap:8px}.killer-sudoku .ks-subsettings input{border:1px solid #e3e7ee;border-radius:6px;font-size:10px;padding:5px 6px;background:white;color:#536279;width:117px}.killer-sudoku [data-ks-new]{font-size:10px;border:1px solid #dbe6ed;background:#f0f9fc;border-radius:6px;padding:6px 11px;color:var(--ks-secondary)}.killer-sudoku .ks-offline{font:9px var(--font-mono,"Courier New",monospace);color:#728890;white-space:nowrap}.killer-sudoku .ks-board-shell{position:relative;background:var(--ks-surface);width:100%;aspect-ratio:1}.killer-sudoku .ks-board{display:grid;grid-template-columns:repeat(9,minmax(0,1fr));width:100%;height:100%;aspect-ratio:1;border:2px solid var(--ks-primary);border-radius:3px;overflow:hidden;background:#e2e6ed}.killer-sudoku .ks-cell{aspect-ratio:1;min-width:0;min-height:0;position:relative;border:0;border-right:1px solid #dce2ea;border-bottom:1px solid #dce2ea;padding:0;display:grid;place-items:center;line-height:1;background:var(--ks-cage-color,#fff);color:var(--ks-secondary);user-select:none;-webkit-user-select:none}.killer-sudoku .ks-cell:nth-child(9n){border-right:0}.killer-sudoku .ks-cell:nth-child(n+73){border-bottom:0}.killer-sudoku .ks-cell.ks-box-right{border-right:2px solid var(--ks-primary)}.killer-sudoku .ks-cell.ks-box-bottom{border-bottom:2px solid var(--ks-primary)}.killer-sudoku .ks-sum{position:absolute;left:5px;top:4px;padding:0 2px;background:var(--ks-cage-color,#fff);font-size:9px;line-height:1.05;font-weight:750;z-index:4;color:#516176;pointer-events:none}.killer-sudoku .ks-digit{font-size:clamp(19px,3vw,28px);font-weight:450;position:relative;z-index:3;margin-top:6px;pointer-events:none}.killer-sudoku .ks-given .ks-digit{color:var(--ks-primary);font-weight:700}.killer-sudoku .ks-cell.ks-related{background:#f0f9fc}.killer-sudoku .ks-cell.ks-same{background:#e3f4f9}.killer-sudoku .ks-cell.ks-selected{background:#e0f2fe;box-shadow:inset 0 0 0 2px var(--ks-cyan)}.killer-sudoku .ks-selected .ks-sum,.killer-sudoku .ks-related .ks-sum{background:#eff9ff}.killer-sudoku .ks-cell.ks-conflict{background:#fff0ed;color:var(--ks-error)}.killer-sudoku .ks-conflict .ks-digit{color:var(--ks-error)}.killer-sudoku .ks-conflict .ks-sum{background:#fff0ed;color:var(--ks-error)}.killer-sudoku .ks-notes{position:absolute;inset:12px 5px 4px;display:grid;grid-template-columns:repeat(3,1fr);grid-template-rows:repeat(3,1fr);font-size:9px;line-height:1;color:#637b92;z-index:2;pointer-events:none}.killer-sudoku .ks-notes span{display:grid;place-items:center}.killer-sudoku .ks-loading{position:absolute;inset:0;z-index:10;display:grid;place-items:center;border:1px solid #dee4ec;background:#f7fafe;border-radius:6px;font-size:12px;color:#60748c;min-height:200px}.killer-sudoku .ks-cage-status{font-size:10px;color:#7e8b9e;line-height:1.5;min-height:31px;padding-top:10px}.killer-sudoku .ks-cage-status.ks-warning{color:var(--ks-error);font-weight:600}.killer-sudoku .ks-progress{display:flex;justify-content:space-between;padding:5px 0 15px;font-size:9px;color:#8a96a7}.killer-sudoku .ks-progress b{font-weight:600;color:#4c677e}.killer-sudoku .ks-pad{display:grid;grid-template-columns:repeat(9,minmax(0,1fr));gap:6px}.killer-sudoku .ks-pad button{aspect-ratio:1;border:1px solid #d9e0e9;background:#fff;border-radius:8px;color:var(--ks-primary);font-size:22px;font-weight:550;box-shadow:0 2px 3px #09142603}.killer-sudoku .ks-pad button:hover{background:#eef9fc;border-color:#a6d3df}.killer-sudoku .ks-tools{display:grid;grid-template-columns:repeat(4,1fr);gap:7px;margin-top:13px}.killer-sudoku .ks-tools button{font-size:10px;font-family:var(--font-mono,"Courier New",monospace);color:#6a7b90;padding:10px 4px;border:1px solid #e0e5ec;border-radius:7px;background:#fff;white-space:nowrap}.killer-sudoku .ks-tools button.ks-active{border-color:#81cedf;background:#e9f9ff;color:var(--ks-secondary)}.killer-sudoku .ks-tools button small{font-size:9px}.killer-sudoku .ks-bottom{display:flex;justify-content:space-between;align-items:center;gap:9px;margin-top:15px;font-size:9px;color:#9ba5b4}.killer-sudoku .ks-bottom button{background:none;border:0;padding:0;color:#7a8da3;font-size:9px;text-decoration:underline}.killer-sudoku .ks-status{font-size:10px;color:#6e8092;min-height:15px;margin-top:10px;line-height:1.5}.killer-sudoku .ks-win{background:#edf9fc;border:1px solid #c9e6ee;border-radius:12px;padding:24px;text-align:center;margin-top:19px}.killer-sudoku .ks-win-icon{font-size:26px;color:#368ea2}.killer-sudoku .ks-win h2{font-size:22px;margin:10px 0;font-weight:650;letter-spacing:-.6px}.killer-sudoku .ks-win p{font-size:12px;line-height:1.7;color:#637a8c}.killer-sudoku .ks-win button{background:var(--ks-primary);color:#fff;font-size:11px;padding:12px 23px;border:0;border-radius:8px}.killer-sudoku .ks-win textarea{display:block;resize:vertical;width:100%;min-height:145px;border:1px solid #c6e0e9;border-radius:8px;padding:11px;margin-top:15px;background:#fff;font:11px/1.7 var(--font-mono,monospace)}.killer-sudoku .ks-sr{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}@media(max-width:600px){.killer-sudoku .ks-game{padding:17px 13px 14px;border-radius:14px}.killer-sudoku .ks-topline{margin-bottom:17px}.killer-sudoku .ks-date{font-size:12px}.killer-sudoku .ks-eyebrow{font-size:8px}.killer-sudoku .ks-timer{font-size:12px}.killer-sudoku .ks-settings{gap:7px}.killer-sudoku .ks-modes button{font-size:10px;padding:8px 13px}.killer-sudoku .ks-level-label select{font-size:10px;padding:8px}.killer-sudoku .ks-subsettings label{gap:5px;font-size:8px}.killer-sudoku .ks-subsettings input{width:110px;font-size:9px}.killer-sudoku .ks-offline{font-size:8px}.killer-sudoku .ks-sum{left:4px;top:4px;font-size:7px;padding:0 1px}.killer-sudoku .ks-digit{font-size:23px;margin-top:6px}.killer-sudoku .ks-notes{font-size:7px;inset:11px 3px 2px}.killer-sudoku .ks-pad{gap:4px}.killer-sudoku .ks-pad button{font-size:19px;border-radius:6px}.killer-sudoku .ks-tools{gap:5px;margin-top:10px}.killer-sudoku .ks-tools button{font-size:9px;padding:10px 2px}.killer-sudoku .ks-tools button small{font-size:8px}.killer-sudoku .ks-bottom{font-size:8px}.killer-sudoku .ks-status{font-size:9px}.killer-sudoku .ks-cage-status{font-size:9px}.killer-sudoku .ks-win{padding:20px 12px}}@media(max-width:360px){.killer-sudoku .ks-subsettings label span{display:none}.killer-sudoku .ks-game{padding-left:10px;padding-right:10px}.killer-sudoku .ks-digit{font-size:20px}.killer-sudoku .ks-tools button{font-size:8px}.killer-sudoku .ks-bottom>span{font-size:7px}.killer-sudoku .ks-sum{font-size:6px}}@media(prefers-reduced-motion:reduce){.killer-sudoku *{animation:none!important;transition:none!important}}

.killer-sudoku .ks-board{position:relative;isolation:isolate}.killer-sudoku .ks-cage-perimeters{position:absolute;inset:0;width:100%;height:100%;z-index:2;pointer-events:none}.killer-sudoku .ks-cage-perimeters path{fill:none;stroke:#53677e;stroke-width:1.1;stroke-dasharray:5.5 4;stroke-linejoin:round;stroke-linecap:round;vector-effect:non-scaling-stroke}.killer-sudoku .ks-notes{z-index:3}