kg-algebra-tiles{--at-x2:#3f74c9;--at-x:#2f8a47;--at-1:#f2c232;--at-y:#7d49b8;--at-xy:#22867a;--at-sym:#d87a1e;--at-neg:#cf3b30;--at-edge:#00000073;display:block;container-type:inline-size}@media (prefers-color-scheme:dark){kg-algebra-tiles{--at-edge:#000000b3}}.kg-at{flex-direction:column;align-items:center;gap:.8rem;display:flex}.kg-at button{font:inherit;color:inherit;cursor:pointer}.kg-at button:disabled{cursor:default;opacity:.45}.kg-at :is(button,[tabindex]):focus-visible{outline:3px solid var(--accent);outline-offset:2px}.kg-at sup{font-size:.7em;line-height:0}.kg-at-hint{justify-content:center;align-self:stretch;align-items:center;gap:.6rem;margin:0;font-weight:700;display:flex}.kg-at-i{background:var(--hint-bg);border-radius:50%;flex:none;block-size:44px;inline-size:44px;position:relative}.kg-at-i:before,.kg-at-i:after{content:"";position:absolute}.kg-at-i.i-build:before{background:var(--at-x);border-radius:2px;inset:10px 20px 26px 8px}.kg-at-i.i-build:after{background:var(--at-1);border-radius:2px;inset:24px 9px 9px 24px}.kg-at-i.i-collect:before{background:linear-gradient(to right, var(--at-x) 0 45%, transparent 45% 55%, var(--at-x) 55%);inset:11px 8px 23px}.kg-at-i.i-collect:after{border:3px solid var(--accent);border-block-start:0;inset:25px 8px 11px}.kg-at-i.i-read:before{background:var(--at-1);border-radius:2px;inset:14px 23px 14px 8px}.kg-at-i.i-read:after{background:var(--at-neg);border-radius:2px;inset:14px 8px 14px 23px}.kg-at-i.i-flip:before{background:linear-gradient(135deg, var(--at-x) 50%, var(--at-1) 50%);border-radius:3px;inset:12px 10px}.kg-at-i.i-write:before{border:2px solid var(--fg);border-radius:4px;inset:13px 8px}.kg-at-i.i-write:after{background:var(--accent);inset:17px 26px 17px 14px}.kg-at-t{box-sizing:border-box;border:1.5px solid var(--at-edge);color:#fff;border-radius:3px;flex:none;place-items:center;font-size:.78rem;font-weight:700;line-height:1;display:grid;overflow:hidden}.kg-at-t.d0{background:var(--at-1);color:#2b2b2b;font-size:.7rem}.kg-at-t.d1{background:var(--at-x)}.kg-at-t.d2{background:var(--at-x2)}.kg-at-t.d1.y{background:var(--at-y)}.kg-at-t.d2.y{background:var(--at-xy)}.kg-at-t.sym{background:var(--at-sym)}.kg-at-t.neg{background:var(--at-neg);color:#fff}.kg-at-tray{border-radius:var(--radius);background:var(--hint-bg);box-sizing:border-box;flex-wrap:wrap;justify-content:center;align-items:center;gap:6px;max-inline-size:100%;padding:.5rem;display:flex}.kg-at-tray .kg-at-row{flex-wrap:wrap;flex-basis:100%;justify-content:center;align-items:center;gap:6px;display:flex}.kg-at-slot{border:2px solid var(--border);background:var(--cell);border-radius:10px;place-items:center;min-block-size:48px;min-inline-size:48px;padding:4px;display:grid}.kg-at-slot:hover:not(:disabled),.kg-at-slot[aria-checked=true]{border-color:var(--accent)}.kg-at-slot[aria-checked=true]{box-shadow:0 0 0 3px var(--hint-bg), 0 0 0 5px var(--accent)}.kg-at-mat{box-sizing:border-box;border:2px dashed var(--border);border-radius:var(--radius);background:var(--cell);flex-wrap:wrap;align-content:center;align-items:center;gap:4px;min-block-size:112px;inline-size:100%;padding:.5rem;display:flex}.kg-at-cell{box-sizing:border-box;background:0 0;border:2px solid #0000;border-radius:8px;place-items:center;min-block-size:44px;min-inline-size:44px;padding:2px;display:grid}button.kg-at-cell:hover{border-color:var(--border)}.kg-at-cell.sel{border-color:var(--accent);background:var(--hint-bg)}.kg-at-cell.gap{margin-inline-start:10px}.kg-at-none{color:var(--muted);text-align:center;margin:auto}.kg-at-tools{flex-wrap:wrap;justify-content:center;gap:.5rem;display:flex}.kg-at-btn{border:2px solid var(--border);background:var(--card);border-radius:10px;min-block-size:44px;min-inline-size:44px;padding:.3rem .8rem}.kg-at-btn:hover:not(:disabled){border-color:var(--accent)}.kg-at-btn.flip[aria-pressed=true]{border-color:var(--accent);background:var(--hint-bg)}.kg-at-msg{text-align:center;min-block-size:1.4em;margin:0;font-weight:600}.kg-at-read{text-align:center;margin:0}.kg-at-write{flex-wrap:wrap;justify-content:center;align-items:center;gap:.5rem;display:flex}.kg-at-field{box-sizing:border-box;cursor:text;border:2px solid var(--border);background:var(--card);min-block-size:48px;min-inline-size:11rem;max-inline-size:100%;color:var(--fg);overflow-wrap:anywhere;direction:ltr;border-radius:10px;justify-content:center;align-items:center;padding:0 .6rem;font-size:1.3rem;display:inline-flex}.kg-at-field.on{border-color:var(--accent)}.kg-at-field.on:after{content:"";background:var(--accent);block-size:1.2em;inline-size:2px;margin-inline-start:2px;animation:1s step-end infinite kg-at-caret}@keyframes kg-at-caret{50%{opacity:0}}@media (prefers-reduced-motion:reduce){.kg-at-field.on:after{animation:none}}.kg-at-keys{grid-template-columns:repeat(6,48px);justify-content:center;gap:6px;display:grid}.kg-at-key{border:2px solid var(--border);background:var(--card);border-radius:10px;min-block-size:48px;padding:0;font-size:1.2rem}.kg-at-key.dig{background:var(--cell)}.kg-at-key:hover{border-color:var(--accent)}.kg-at-key:active{background:var(--hint-bg)}@container (width<=19rem){.kg-at-keys{grid-template-columns:repeat(5,48px)}}.kg-at-scroll{direction:ltr;max-inline-size:100%;overflow-x:auto}.kg-at-rect{gap:2px;padding:2px;display:grid}.kg-at-edge{box-sizing:border-box;color:#2b2b2b;background:var(--at-1) repeating-linear-gradient(to bottom, transparent 0 calc(var(--step) - 1px), var(--at-edge) calc(var(--step) - 1px) var(--step));border:1px solid var(--at-edge);place-items:center;font-size:.8rem;font-weight:700;display:grid}.kg-at-edge.d1{background-color:var(--at-x);color:#fff}.kg-at-edge.top{background-image:repeating-linear-gradient(to right, transparent 0 calc(var(--step) - 1px), var(--at-edge) calc(var(--step) - 1px) var(--step))}.kg-at-edge.neg{background-color:var(--at-neg);color:#fff}.kg-at-block{box-sizing:border-box;border:1px solid var(--at-edge);color:#fff;background-image:repeating-linear-gradient(to right, transparent 0 calc(var(--w) - 1px), var(--at-edge) calc(var(--w) - 1px) var(--w)), repeating-linear-gradient(to bottom, transparent 0 calc(var(--h) - 1px), var(--at-edge) calc(var(--h) - 1px) var(--h));place-items:center;padding:0;font-weight:700;display:grid}.kg-at-block.d0{background-color:var(--at-1);color:#2b2b2b}.kg-at-block.d1{background-color:var(--at-x)}.kg-at-block.d2{background-color:var(--at-x2)}.kg-at-block.neg{background-color:var(--at-neg);color:#fff}.kg-at-block.blank{border:2px dashed var(--accent);background:0 0}.kg-at-bt{color:#fff;background:#00000040;border-radius:4px;padding:.1rem .3rem}.kg-at-i.i-paint:before{border:2px dashed var(--accent);inset:16px 10px 10px 16px}.kg-at-i.i-paint:after{background:var(--at-x2);border-radius:2px;inset:9px 22px 25px 9px}.kg-at-i.i-sides:before{background:var(--at-x);border-radius:2px;inset:16px 26px 9px 10px}.kg-at-i.i-sides:after{background:var(--at-1);border-radius:2px;inset:9px 9px 26px 16px}.kg-at-i.i-grid:before{border:2px solid var(--fg);background:linear-gradient(var(--fg), var(--fg)) center / 2px 100% no-repeat, linear-gradient(var(--fg), var(--fg)) center / 100% 2px no-repeat;inset:11px}.kg-at-side{flex-wrap:wrap;justify-content:center;align-items:center;gap:.4rem;display:flex}.kg-at-step{direction:ltr;align-items:center;gap:.25rem;display:inline-flex}.kg-at-step output{text-align:center;min-inline-size:2.4rem;font-size:1.15rem}.kg-at-grid{border-collapse:collapse}.kg-at-grid :is(th,td){border:2px solid var(--border);text-align:center;min-inline-size:3.6rem;padding:3px}.kg-at-grid th{background:var(--hint-bg)}.kg-at-grid .kg-at-field{min-inline-size:3.6rem;font-size:1.05rem}.kg-at-gc.fixed{padding:.4rem;display:inline-block}.kg-at-steps{flex-direction:column;align-items:center;gap:.15rem;margin:0;padding:.3rem .6rem;font-size:1.1rem;list-style:none;display:flex}.kg-at-steps li{align-items:center;gap:.5rem;display:flex}.kg-at-steps li.bad{color:var(--no)}.kg-at-op{background:var(--hint-bg);color:var(--accent);white-space:nowrap;border-radius:999px;padding:0 .4rem;font-size:.85rem}.kg-at-op:before{content:"↓ "}.kg-at[data-mode=balance]>.kg-at-msg:not(.bal){display:none}.kg-at-bal{--t:0;box-sizing:border-box;inline-size:100%;padding-block:8px 30px;position:relative}.kg-at-beam{z-index:1;background:var(--muted);block-size:6px;transform:rotate(calc(var(--t) * -7deg));border-radius:3px;transition:transform .4s;position:absolute;inset-block-start:6px;inset-inline:20%}.kg-at-pans{align-items:flex-start;gap:4px;display:flex}.kg-at-side-l,.kg-at-side-r{flex-direction:column;flex:1 1 0;align-items:stretch;gap:2px;min-inline-size:0;transition:transform .4s;display:flex}.kg-at-side-l:before,.kg-at-side-r:before{content:"";background:var(--muted);align-self:center;block-size:12px;inline-size:2px}.kg-at-side-l{transform:translateY(calc(var(--t) * 12px))}.kg-at-side-r{transform:translateY(calc(var(--t) * -12px))}.kg-at-pan{box-sizing:border-box;border:2px solid var(--border);border-block-end:6px solid var(--muted);background:var(--cell);border-radius:6px 6px 22px 22px;flex-wrap:wrap;place-content:flex-end center;align-items:center;gap:3px;min-block-size:96px;inline-size:100%;padding:6px 4px;display:flex}button.kg-at-pan:hover{border-color:var(--accent);border-block-end-color:var(--accent)}.kg-at-total{text-align:center;font-size:1.1rem;font-weight:700}.kg-at-mid{flex-direction:column;flex:none;justify-content:center;align-self:stretch;align-items:center;inline-size:44px;display:flex}.kg-at-rel{z-index:1;background:var(--card);border-radius:50%;place-items:center;min-block-size:44px;min-inline-size:44px;font-size:1.6rem;font-weight:700;display:grid;position:relative}.kg-at-rel.bad{color:var(--no)}button.kg-at-rel{border:2px solid var(--accent);background:var(--card);border-radius:50%;padding:0}.kg-at-post{background:var(--muted);inline-size:6px;position:absolute;inset-block:8px 0;inset-inline-start:calc(50% - 3px)}.kg-at-post:after{content:"";background:var(--muted);border-radius:4px 4px 0 0;block-size:8px;inline-size:48px;position:absolute;inset-block-end:0;inset-inline-start:-21px}.kg-at-grp{border:2px dashed var(--accent);box-sizing:border-box;border-radius:6px;flex-wrap:wrap;justify-content:center;align-items:center;gap:2px;max-inline-size:100%;padding:2px;display:inline-flex}.kg-at-over{flex-direction:column;align-items:center;gap:2px;display:inline-flex}.kg-at-top{border-block-end:3px solid var(--fg);flex-wrap:wrap;justify-content:center;gap:3px;padding-block-end:3px;display:flex}.kg-at-den{font-size:1.1rem;font-weight:700}.kg-at-t.kg-at-lump{min-block-size:22px;inline-size:auto;min-inline-size:26px;padding:2px 5px;font-size:.85rem}.kg-at-zero{color:var(--muted);font-size:1.2rem}.kg-at-ops{flex-direction:column;align-items:center;gap:.5rem;display:flex}.kg-at-ops .kg-at-row{flex-wrap:wrap;justify-content:center;align-items:center;gap:.4rem;display:flex}.kg-at-ops .kg-at-btn,.kg-at-try .kg-at-btn{justify-content:center;align-items:center;gap:.25rem;padding-inline:.5rem;font-size:1.1rem;display:inline-flex}.kg-at-ops .kg-at-btn[aria-pressed=true]{border-color:var(--accent);background:var(--hint-bg);box-shadow:0 0 0 2px var(--accent)}.kg-at-btn.both{border-color:var(--accent);font-weight:700}.kg-at-num,.kg-at-try{align-items:center;gap:.3rem;display:inline-flex}.kg-at-num output,.kg-at-try output{text-align:center;min-inline-size:2.4rem;font-size:1.2rem;font-weight:700}.kg-at-try{font-size:1.2rem}@media (prefers-reduced-motion:reduce){.kg-at-beam,.kg-at-side-l,.kg-at-side-r{transition:none}}.kg-at-i.i-balance:before{background:var(--fg);border-radius:2px;inset:12px 8px 28px}.kg-at-i.i-balance:after{border-inline:8px solid #0000;border-block-end:16px solid var(--accent);inset-block-start:18px;inset-inline-start:14px}.kg-at-i.i-try:before{background:var(--at-x);border-radius:3px;inset:12px 10px}.kg-at-i.i-try:after{content:"?";color:#fff;place-items:center;font-weight:700;display:grid;inset:12px 10px}.kg-at[data-mode=factors]>.kg-at-msg:not(.fx){display:none}.kg-at-fx{box-sizing:border-box;border:2px dashed var(--border);border-radius:var(--radius);background:var(--cell);flex-wrap:wrap;justify-content:center;align-items:center;gap:.5rem;inline-size:100%;padding:.6rem .3rem;display:flex}.kg-at-fr{flex-direction:column;align-items:stretch;max-inline-size:100%;display:flex}.kg-at-fr-t,.kg-at-fr-b{flex-wrap:wrap;justify-content:center;align-items:center;gap:2px 1px;min-block-size:48px;padding:4px 2px;display:flex}.kg-at-fr.bar .kg-at-fr-t{border-block-end:4px solid var(--fg)}.kg-at .kg-at-chip{box-sizing:border-box;border:2px solid var(--at-x2);background:var(--card);border-radius:10px;place-items:center;min-block-size:44px;min-inline-size:44px;padding:0 .4rem;font-size:1.15rem;font-weight:700;display:inline-grid}.kg-at-chip.in{border-color:var(--at-sym)}.kg-at-chip.sel,.kg-at-rs.sel{border-color:var(--accent);background:var(--hint-bg);box-shadow:0 0 0 2px var(--accent)}.kg-at-chip.out{border-style:dashed;border-color:var(--border);color:var(--muted);background:linear-gradient(to top right, transparent calc(50% - 1.5px), var(--no) calc(50% - 1.5px) calc(50% + 1.5px), transparent calc(50% + 1.5px));font-weight:400}.kg-at-times{color:var(--muted);padding-inline:1px;font-size:1rem}.kg-at-join{padding-inline:2px;font-size:1.5rem}.kg-at-one{place-items:center;min-block-size:44px;font-size:1.2rem;font-weight:700;display:grid}.kg-at-root{align-items:stretch;display:inline-flex}.kg-at .kg-at-rs{background:0 0;border:2px solid #0000;border-radius:8px;justify-content:flex-end;align-items:flex-end;min-block-size:44px;min-inline-size:44px;margin-inline-end:-6px;padding:0;font-size:2.4rem;line-height:1;display:flex}.kg-at-rad{border-block-start:3px solid var(--fg);flex-wrap:wrap;align-items:center;gap:1px;padding:3px 2px 0;display:inline-flex}.kg-at-excl{flex-wrap:wrap;justify-content:center;gap:.6rem;font-size:1.15rem;display:flex}.kg-at-ex{align-items:center;gap:.3rem;display:inline-flex}.kg-at-ex .kg-at-field{min-inline-size:3.2rem}.kg-at-key .frac{font-size:.7em}.kg-at-i.i-split:before{border:2px solid var(--at-x2);border-radius:3px;inset:9px 15px 25px}.kg-at-i.i-split:after{background:var(--fg);inset:21px 8px}.kg-at-i.i-cancel:before{border:2px solid var(--at-x2);background:linear-gradient(to top right, transparent 45%, var(--no) 45% 55%, transparent 55%);border-radius:3px;inset:9px 15px 25px}.kg-at-i.i-roots:before{content:"√";color:var(--at-sym);place-items:center;font-size:1.6rem;font-weight:700;display:grid;inset:6px}.kg-at-i.i-cancel:after{background:var(--fg);inset:21px 8px}kg-chart-builder{--cb-blue:#2f6fb5;--cb-orange:#d9772b;--cb-green:#3f8f4a;--cb-purple:#7b52ab;--cb-red:#c2413a;--cb-yellow:#d6a51c;--cb-pink:#c95a93;--cb-brown:#8a5a36;flex-direction:column;gap:.75rem;min-inline-size:0;display:flex}@media (prefers-color-scheme:dark){kg-chart-builder{--cb-blue:#6ea6e6;--cb-orange:#f0a060;--cb-green:#75c27f;--cb-purple:#b08ae0;--cb-red:#ee7b72;--cb-yellow:#f0cc5a;--cb-pink:#ec8fbf;--cb-brown:#c49470}}kg-chart-builder .c-blue{color:var(--cb-blue)}kg-chart-builder .c-orange{color:var(--cb-orange)}kg-chart-builder .c-green{color:var(--cb-green)}kg-chart-builder .c-purple{color:var(--cb-purple)}kg-chart-builder .c-red{color:var(--cb-red)}kg-chart-builder .c-yellow{color:var(--cb-yellow)}kg-chart-builder .c-pink{color:var(--cb-pink)}kg-chart-builder .c-brown{color:var(--cb-brown)}kg-chart-builder p{margin:0}kg-chart-builder .vh{clip-path:inset(50%);white-space:nowrap;block-size:1px;inline-size:1px;position:absolute;overflow:hidden}kg-chart-builder svg{display:block;overflow:visible}kg-chart-builder .ico{fill:currentColor;overflow:hidden}kg-chart-builder .ico .d{fill:none;stroke:var(--card);stroke-width:2px;stroke-linecap:round}kg-chart-builder .ico .s{fill:none;stroke:currentColor;stroke-width:2.5px;stroke-linecap:round}kg-chart-builder .ico .o{fill:var(--cb-yellow)}.kg-cb-hint{align-items:center;gap:.6rem;font-weight:700;display:flex}.kg-cb-i{background:var(--hint-bg);block-size:48px;inline-size:48px;color:var(--fg);border-radius:50%;flex:none;place-items:center;display:grid}.kg-cb-i svg{max-block-size:30px;max-inline-size:34px}.kg-cb-cards{flex-wrap:wrap;gap:.4rem;display:flex}.kg-cb-card{border:2px solid var(--border);background:var(--cell);border-radius:10px;place-items:center;block-size:48px;inline-size:48px;padding:0;display:grid;position:relative}.kg-cb-card[aria-pressed=true]{border-color:var(--accent);box-shadow:0 3px 0 var(--accent);border-width:3px;transform:translateY(-3px)}.kg-cb-card.used{opacity:.35}.kg-cb-card.used:after{content:"";border-block-start:3px solid var(--fg);position:absolute;inset:22px 4px;transform:rotate(-35deg)}.kg-cb-table{border-collapse:collapse;background:var(--cell);inline-size:100%}.kg-cb-table th,.kg-cb-table td{border:1px solid var(--border);text-align:start;vertical-align:middle;padding:.2rem .35rem}.kg-cb-table thead th{background:var(--hint-bg);font-size:.95rem}.kg-cb-table tbody th{white-space:nowrap;font-weight:400}.kg-cb-table tbody th>svg,.kg-cb-pick>svg{vertical-align:middle;margin-inline-end:.3rem;display:inline-block}.kg-cb-total th,.kg-cb-total td{font-weight:700}.kg-cb-tc{white-space:nowrap;inline-size:100%}.kg-cb-tally{stroke:var(--fg);stroke-width:2.5px;stroke-linecap:round;vertical-align:middle;display:inline-block}.kg-cb-add{vertical-align:middle;border:2px dashed var(--border);background:var(--card);min-block-size:44px;inline-size:calc(100% - 52px);min-inline-size:72px;color:var(--fg);direction:ltr;border-radius:8px;justify-content:flex-start;align-items:center;padding:.2rem .4rem;display:inline-flex}.kg-cb-add:hover{border-color:var(--accent)}button.kg-cb-del{vertical-align:middle;min-inline-size:44px;margin-inline-start:4px;padding-inline:0}.kg-cb-del:disabled{opacity:.35;cursor:default}.kg-cb-n{font-size:1.1rem;font-weight:700;text-align:center!important}.kg-cb-num{font:inherit;text-align:center;border:1px solid var(--border);background:var(--bg);min-block-size:44px;inline-size:3.2rem;color:var(--fg);border-radius:8px;font-weight:700}.kg-cb-pc{inline-size:100%}.kg-cb-row{flex-wrap:wrap;align-items:center;gap:.3rem;display:flex}.kg-cb-row [data-s]{touch-action:none;cursor:pointer;border-radius:6px;max-inline-size:100%;overflow:hidden}.kg-cb-strip{max-inline-size:100%}.kg-cb-pm{gap:.3rem;display:inline-flex}.kg-cb-pm button{min-inline-size:44px;padding-inline:0;font-weight:700}kg-chart-builder 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.kg-cb-num{inline-size:4.5rem}.kg-cbs-frame{line-height:2.6}.kg-cbs-frame select{font:inherit;border:1px solid var(--border);background:var(--bg);min-block-size:44px;color:var(--fg);border-radius:8px;max-inline-size:100%;margin-inline:.2rem}.kg-cbs-say:empty{display:none}.kg-cbs-say{font-weight:700}.kg-cbg-cards{flex-wrap:wrap;gap:4px;display:flex}.kg-cbg-card,.kg-cbg-chip{block-size:46px;min-inline-size:48px;font:inherit;border:2px solid var(--border);background:var(--cell);color:var(--fg);border-radius:10px;padding:0 .25rem;font-weight:700}.kg-cbg-card[aria-pressed=true]{border-color:var(--accent);box-shadow:0 4px 0 var(--accent);border-width:3px;transform:translateY(-4px)}.kg-cbg-chip{background:var(--hint-bg);block-size:44px;min-inline-size:44px;margin:1px;font-size:.9rem}.kg-cbg-data{border:1px solid var(--border);background:var(--cell);border-radius:10px;flex-wrap:wrap;gap:.25rem .9rem;padding:.4rem .6rem;font-size:1.1rem;font-weight:700;display:flex}.kg-cbg-wrap{max-inline-size:100%;overflow-x:auto}.kg-cbg-table td,.kg-cbg-table th{text-align:center}.kg-cbg-table tbody th{white-space:nowrap}.kg-cbg-table td.kg-cbg-in{text-align:start;direction:ltr;inline-size:100%}.kg-cbg-row{min-block-size:44px;inline-size:100%;font:inherit;white-space:nowrap;border:2px dashed var(--border);background:var(--card);color:var(--fg);border-radius:8px;padding:.1rem .4rem}.kg-cbg-row:hover{border-color:var(--accent)}.kg-cbg-table .kg-cb-num{inline-size:3.6rem}.kg-cbg-svg .ln.given{stroke:var(--cb-orange)}.kg-cbg-svg .col[data-gb]{cursor:ns-resize;touch-action:none}.kg-cbg-gp{cursor:crosshair;touch-action:none;outline:none}.kg-cbg-gp:focus-visible .hit{stroke:var(--accent);stroke-width:3px}.kg-cbg-svg .cur{fill:none;stroke:var(--muted);stroke-width:1.5px;stroke-dasharray:4 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.8rem;font-weight:700;display:inline-flex}.kg-ccm-digital{border-radius:var(--radius);background:var(--fg);color:var(--bg);font-variant-numeric:tabular-nums;direction:ltr;justify-content:center;align-items:center;gap:.25rem;min-block-size:44px;padding:.3rem .9rem;font-size:1.9rem;font-weight:700;line-height:1.2;display:flex}.kg-ccm-digital:has(.kg-ccm-spin){padding:.3rem}.kg-ccm-spin{flex-direction:column;align-items:center;gap:.15rem;display:flex}.kg-ccm-step{min-block-size:44px;min-inline-size:44px;color:var(--bg);background:0 0;border:0;border-radius:8px;font-size:1rem;line-height:1}.kg-ccm-step:hover{background:color-mix(in srgb, var(--bg) 18%, transparent)}.kg-ccm-step:focus-visible,.kg-ccm-digit:focus-visible{outline:3px solid var(--shade);outline-offset:1px}.kg-ccm-digit{border:2px solid 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var(--border);background:var(--cell);min-block-size:44px;inline-size:100%;color:var(--fg);font-variant-numeric:tabular-nums;border-radius:8px;padding:0;font-size:1.05rem;position:relative}.kg-ccm-date:disabled{cursor:default}.kg-ccm-date:focus-visible{outline:3px solid var(--accent);outline-offset:1px}.kg-ccm-date.today{border:3px solid var(--accent);font-weight:700}.kg-ccm-date.mark:after{content:"";background:var(--shade);border-radius:50%;block-size:6px;inline-size:6px;position:absolute;inset-block-end:4px;inset-inline-start:calc(50% - 3px)}.kg-ccm-day .kg-ccm-date[aria-pressed=true]{background:var(--accent);border-color:var(--accent);color:var(--bg);font-weight:700}.kg-ccm-money{flex-direction:column;gap:.75rem;display:flex}.kg-ccm-items{flex-wrap:wrap;justify-content:center;gap:.6rem;display:flex}.kg-ccm-item{border:1px solid var(--border);border-radius:var(--radius);background:var(--cell);flex-direction:column;align-items:center;padding:.4rem .8rem;display:flex}.kg-ccm-pic{font-size:2.2rem;line-height:1.2}.kg-ccm-price{font-weight:700}.kg-ccm-pile{border:2px dashed var(--border);border-radius:var(--radius);padding:.4rem .6rem}.kg-ccm-pile.purse{border-color:var(--muted)}.kg-ccm-cap{color:var(--muted);margin:0 0 .3rem;font-size:.9rem;font-weight:700}.kg-ccm-pieces{flex-wrap:wrap;align-items:center;gap:.4rem;min-block-size:50px;display:flex}.kg-ccm-total{margin:.3rem 0 0;font-weight:700}.kg-ccm-total:empty{display:none}.kg-ccm-bank{flex-wrap:wrap;justify-content:center;align-items:center;gap:.5rem;display:flex}.kg-ccm-piece{color:#1f2328;line-height:1.05;font:inherit;font-variant-numeric:tabular-nums;border:2px solid #00000047;flex-direction:column;flex:none;justify-content:center;align-items:center;padding:0;display:inline-flex}.kg-ccm-piece b{font-size:.95rem}.kg-ccm-piece small{font-size:.62rem}.kg-ccm-piece.coin b{font-size:.82rem}.kg-ccm-piece.inl{flex-direction:row}.kg-ccm-piece.inl 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var(--accent);outline-offset:2px}.kg-ccm-groups{flex-wrap:wrap;justify-content:center;gap:.6rem;display:flex}.kg-ccm-choice{border:2px solid var(--border);border-radius:var(--radius);background:var(--card);min-block-size:44px;min-inline-size:44px;color:var(--fg);max-inline-size:100%;padding:.3rem}.kg-ccm-choice .kg-ccm-pile{border:0;padding:.2rem}.kg-ccm-choice.same{padding-inline:1rem;font-weight:700}.kg-ccm-choice[aria-checked=true]{border-color:var(--accent);background:var(--hint-bg)}.kg-ccm-choice:disabled{cursor:default}kg-column-arithmetic{flex-direction:column;align-items:center;display:flex;container-type:inline-size}.kg-ca-sheet{--ca-s:26px;--ca-c:clamp(36px, calc((100cqi - 30px) / var(--ca-n)), 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.kg-ca-line:first-of-type{border-inline-start-color:#0000}.kg-ca-top{font:inherit;color:var(--fg);border:2px dashed var(--border);cursor:pointer;background:0 0;border-radius:8px;block-size:44px;inline-size:100%;min-inline-size:0;padding:0}.kg-ca-top:hover{border-color:var(--accent)}.kg-ca-top:focus-visible{outline:3px solid var(--accent);outline-offset:1px}.kg-ca-top.x{color:var(--muted);text-decoration:line-through 2px var(--no)}.kg-ca-mark{color:var(--no);align-self:end;font-size:1.05rem;font-weight:700}.kg-ca-box{text-align:center;block-size:44px;inline-size:calc(100% - 4px);font:inherit;border:2px solid var(--muted);background:var(--bg);color:var(--fg);z-index:1;border-radius:8px;justify-self:center;padding:0;font-size:1.4rem;position:relative}.kg-ca-box:disabled{border-style:dotted;border-color:var(--border);opacity:1;background:0 0}.kg-ca-box:focus-visible,.kg-ca-box:focus{outline:3px solid var(--accent);outline-offset:1px;border-color:var(--accent)}.kg-ca-box.no{border-style:dashed;border-color:var(--no);background:var(--no-bg)}.kg-ca-box.ok{color:var(--fg);background:0 0;border-color:#0000}.kg-ca-box.typed{color:var(--ok);font-weight:700}.kg-ca-box.shown{color:var(--accent)}.kg-ca-carry{color:var(--accent);border-radius:50%;font-size:1.05rem}.kg-ca-carry.ok{color:var(--accent);font-weight:700}.kg-ca-check{border-block-start:2px dashed var(--border);margin-block-start:.75rem;padding-block-start:1.8rem}.kg-ca-inv{color:var(--accent);text-align:center;white-space:nowrap;margin:0;font-size:1rem;font-weight:700;position:absolute;inset-block-start:.3rem;inset-inline:0}.kg-ca-tools{text-align:center;flex-direction:column;align-items:center;gap:.4rem;margin-block-start:.5rem;display:flex}.kg-ca-align{gap:.75rem;display:flex}.kg-ca-align button{min-block-size:44px;min-inline-size:56px;font-size:1.2rem}.kg-ca-ask{min-block-size:1.8em;margin:0;font-size:1.15rem}.kg-ca-ask bdi[dir=ltr]{unicode-bidi:isolate}.kg-ca-status{min-block-size:1.8em;color:var(--no);margin:0}.kg-ca-status.ok{color:var(--ok);font-weight:700}.kg-ca-align[hidden]{display:none}.kg-ca-sign-r .kg-ca-sign{justify-content:flex-end}.kg-ca-top.dot{color:var(--fg)}.kg-ca-aside{color:var(--muted)}kg-coord-plane{--cp-line:#3b6fb6;--cp-t0:#e0893f;--cp-t1:#3b8f5a;--cp-t2:#3b6fb6;--cp-t3:#c2453a;--cp-t4:#8a5cb8;--cp-t5:#c79a1e;flex-direction:column;align-items:center;gap:.6rem;display:flex}@media (prefers-color-scheme:dark){kg-coord-plane{--cp-line:#7fa8e8;--cp-t0:#e59a55;--cp-t1:#6cc28e;--cp-t2:#7fa8e8;--cp-t3:#f08273;--cp-t4:#b896e0;--cp-t5:#e3c25a}}kg-coord-plane [hidden]{display:none!important}.kg-cp-hint{justify-content:center;align-self:stretch;align-items:center;gap:.6rem;margin:0;font-weight:700;display:flex}.kg-cp-i{background:var(--hint-bg);border-radius:50%;flex:none;block-size:44px;inline-size:44px;position:relative}.kg-cp-i:before,.kg-cp-i:after{content:"";position:absolute}.kg-cp-i.i-points:before{background:var(--accent);border-radius:50%;inset:17px}.kg-cp-i.i-points:after{border:3px solid var(--accent);border-radius:50%;inset:8px}.kg-cp-i.i-drag:before{background:var(--cp-line);inset-block:21px;inset-inline:7px;transform:rotate(-35deg)}.kg-cp-i.i-drag:after{background:var(--accent);border-radius:50%;block-size:12px;inline-size:12px;inset-block-start:9px;inset-inline-start:25px}.kg-cp-i.i-slide:before{background:var(--muted);border-radius:2px;inset-block:20px;inset-inline:8px}.kg-cp-i.i-slide:after{background:var(--accent);border-radius:4px;inline-size:9px;inset-block:13px;inset-inline-start:22px}.kg-cp-i.i-trace:before{border:3px solid var(--cp-line);border-block-start:0;border-radius:0 0 50% 50%;inset:10px}.kg-cp-main{justify-content:center;inline-size:100%;display:flex}.kg-cp-svg{touch-action:manipulation;-webkit-user-select:none;user-select:none;direction:ltr;block-size:auto;max-inline-size:100%;font-family:inherit;display:block;overflow:visible}.kg-cp-svg.m-points,.kg-cp-svg.has-mod{touch-action:none}.kg-cp-svg:focus{outline:none}.kg-cp-svg:focus-visible 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var(--border);text-align:center;block-size:46px;min-inline-size:48px;padding:0;font-weight:700}.kg-cp-table th{background:var(--hint-bg);padding-inline:.5rem;font-style:italic}.kg-cp-table input{background:var(--card);block-size:44px;inline-size:48px;color:var(--fg);font:inherit;text-align:center;direction:ltr;border:0;font-weight:700}.kg-cp-table input:focus-visible{outline:3px solid var(--accent);outline-offset:-3px}.kg-cp-facts{flex-wrap:wrap;justify-content:center;gap:.4rem 1rem;min-block-size:2rem;margin:0;font-weight:700;display:flex}.kg-cp-facts>span{background:var(--hint-bg);border-radius:999px;align-items:center;gap:.3rem;min-block-size:2rem;padding-inline:.8rem;display:inline-flex}.kg-cp-eq{white-space:nowrap;font-size:1.1rem}.kg-cp-tools{flex-wrap:wrap;justify-content:center;gap:.5rem;margin:0;display:flex}.kg-cp-btn:focus-visible{outline:3px solid var(--accent);outline-offset:2px}.kg-cp-live{clip-path:inset(50%);block-size:1px;inline-size:1px;margin:0;position:absolute;overflow:hidden}.kg-cp-vec{--c:var(--cp-t0);stroke:var(--c);fill:var(--c);pointer-events:none}.kg-cp-vec line{stroke-width:3.5px;stroke-linecap:round}.kg-cp-vec polygon,.kg-cp-vec circle{stroke:none}.kg-cp-vec.t1{--c:var(--cp-t1)}.kg-cp-vec.t2{--c:var(--cp-t2)}.kg-cp-vec.t3{--c:var(--cp-t3)}.kg-cp-vec.t4{--c:var(--cp-t4)}.kg-cp-vec.t5{--c:var(--cp-t5)}.kg-cp-vec.tm{--c:var(--cp-line)}.kg-cp-vec.dash line{stroke-dasharray:8 6}.kg-cp-vec.trail{--c:var(--muted)}.kg-cp-vec.trail line{stroke-width:2px;stroke-dasharray:5 5}.kg-cp-vec.picked line{stroke-width:6px}.kg-cp-vname text{fill:var(--c);stroke:var(--cell);stroke-width:4px;paint-order:stroke;text-anchor:middle;font-size:17px;font-style:italic;font-weight:700}.kg-cp-vname path{fill:none;stroke:var(--c);stroke-width:1.8px}.kg-cp-vband{fill:#0000;cursor:grab;touch-action:none;outline:none}.kg-cp-vband[aria-pressed=true]{fill:color-mix(in srgb, var(--accent) 14%, transparent)}.kg-cp-vr{align-items:center;gap:.3rem;display:inline-flex}.kg-cp-vband:focus-visible{stroke:var(--accent);stroke-width:3px;stroke-dasharray:5 4}.kg-cp-vh{cursor:grab;touch-action:none;outline:none}.kg-cp-vh .kg-cp-dot{fill:var(--card);stroke:var(--cp-line);stroke-width:3px}.kg-cp-vh.on .kg-cp-dot{stroke:var(--fg)}.kg-cp-vh:focus-visible .kg-cp-hit{stroke:var(--accent);stroke-width:3px;stroke-dasharray:5 4}.kg-cp-pend{fill:none;stroke:var(--accent);stroke-width:3px;stroke-dasharray:4 3;pointer-events:none}.kg-cp-risel.end{text-anchor:end}.kg-cp-shape{fill:color-mix(in srgb, var(--cp-t1) 22%, transparent);stroke:var(--cp-t1);stroke-width:2.5px;pointer-events:none}.kg-cp-shape.img{fill:color-mix(in srgb, var(--cp-t4) 30%, 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text{fill:var(--fg);text-anchor:middle;pointer-events:none;direction:ltr;unicode-bidi:isolate;font-size:17px;font-weight:700}.kg-cp-mel.live{cursor:pointer;outline:none}.kg-cp-mel.live circle{stroke:var(--accent)}.kg-cp-mel.on circle{fill:color-mix(in srgb, var(--accent) 25%, var(--card));stroke-width:4px}.kg-cp-mel.live:focus-visible circle{stroke:var(--fg);stroke-width:4px;stroke-dasharray:5 3}.kg-cp-marr{--c:var(--muted);stroke:var(--c);fill:var(--c);pointer-events:none}.kg-cp-marr line{stroke-width:3px;stroke-linecap:round}.kg-cp-marr polygon{stroke:none}.kg-cp-marr.mine{--c:var(--cp-line)}.kg-cp-marr.given{--c:var(--cp-t0)}.kg-cp-region{fill:color-mix(in srgb, var(--cp-t2) 30%, 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var(--accent);inline-size:0;inset-block:18px;inset-inline-end:-6px}.kg-ct-i.i-pick:before{background:var(--card);border-radius:6px}.kg-ct-i.i-split:before{background:linear-gradient(90deg, var(--ct-red) 50%, var(--ct-yellow) 50%);border-radius:4px}.kg-ct-i.i-tree:before{inset:6px 14px 22px}.kg-ct-i.i-tree:after{border-inline:10px solid var(--ct-red);border-radius:50%;inset:24px 6px 6px}[dir=rtl] 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transparent 55%), linear-gradient(-45deg, transparent 45%, var(--fg) 45% 55%, transparent 55%);position:absolute;inset:0}.kg-ct-c.ring{outline:3px dashed var(--accent);outline-offset:-1px;border-radius:50%}span.kg-ct-c.ring{outline-offset:3px}.kg-ct-c.lock{box-shadow:inset 0 0 0 3px #00000038}.kg-ct-c.held{filter:drop-shadow(0 4px 2px #00000059);transform:translateY(-6px)}kg-counters[apple] .kg-ct-c{border-radius:46% 46% 50% 50%}kg-counters[apple] span.kg-ct-c:before,kg-counters[apple] button.kg-ct-c:not(.x):after{content:"";background:#3f8f4a;border-radius:0 80%;block-size:26%;inline-size:30%;position:absolute;inset-block-start:-18%;inset-inline-start:46%}kg-counters[apple] button.kg-ct-c:after{inset-block-start:4%}.kg-ct-frame{grid-template-columns:repeat(5, minmax(0, var(--ct-cell)));border:3px solid var(--fg);background:var(--fg);inline-size:min(100%, calc(5 * var(--ct-cell) + 14px));border-radius:6px;gap:2px;display:grid}.kg-ct-frame>.kg-ct-cell{background:var(--cell)}.kg-ct-row{grid-template-columns:repeat(var(--n), minmax(0, 48px));inline-size:min(100%, calc(var(--n) * 50px));justify-content:center;gap:2px;display:grid}.kg-ct-zone.row:has(i){padding-block-end:1.2rem}.kg-ct-plate{border:2px solid var(--border);background:var(--cell);border-radius:999px;flex-wrap:wrap;place-content:center;gap:2px;min-block-size:88px;inline-size:100%;padding:.5rem;display:flex}.kg-ct-plate>.kg-ct-cell{inline-size:44px}.kg-ct-array{grid-template-columns:repeat(var(--c), minmax(0, 40px));gap:4px;max-inline-size:100%;display:grid}.kg-ct-array>.kg-ct-c{aspect-ratio:1;block-size:auto;min-block-size:0;inline-size:auto;min-inline-size:0}.kg-ct-array>button.kg-ct-c{min-block-size:40px;min-inline-size:0}.kg-ct-ctl,.kg-ct-pm{flex-wrap:wrap;justify-content:center;align-items:center;gap:.4rem;display:flex}.kg-ct-pm output{text-align:center;min-inline-size:2ch;font-weight:700}.kg-ct-btn{border:2px solid var(--accent);min-block-size:44px;min-inline-size:44px;color:var(--accent);background:0 0;border-radius:999px;padding-inline:.6rem;font-size:1.2rem}.kg-ct-zone>.kg-ct-btn{font-size:1.5rem;line-height:1}.kg-ct-tree{max-inline-size:100%;overflow-x:auto}.kg-ct-node{flex-direction:column;align-items:center;gap:.3rem;display:flex}.kg-ct-kids{border-block-start:2px solid var(--fg);gap:.8rem;padding-block-start:.8rem;display:flex}.kg-ct-v{border:2px solid var(--fg);background:var(--card);min-block-size:44px;min-inline-size:44px;color:var(--fg);border-radius:50%;place-items:center;padding-inline:.3rem;font-size:1.1rem;font-weight:700;display:grid}button.kg-ct-v{border-color:var(--accent)}.kg-ct-v.prime{border-width:3px;border-color:var(--ok);background:var(--ok-bg)}.kg-ct-pairs{flex-wrap:wrap;justify-content:center;gap:.3rem;display:flex}.kg-ct-bond{grid-template-columns:1fr 1fr;justify-items:center;inline-size:13rem;display:grid}.kg-ct-bond svg{block-size:1.6rem;inline-size:100%;stroke:var(--fg);stroke-width:2px;vector-effect:non-scaling-stroke;grid-column:1/3}.kg-ct-bond path{vector-effect:non-scaling-stroke}.kg-ct-bond .whole{grid-column:1/3}.kg-ct-bond>div{border:3px solid var(--fg);background:var(--card);border-radius:50%;place-items:center;block-size:3.6rem;inline-size:3.6rem;font-size:1.6rem;font-weight:700;display:grid}.kg-ct-bond .part.c0{border-color:var(--ct-red)}.kg-ct-bond .part.c1{border-color:var(--ct-yellow);border-style:dashed}.kg-ct-bond .kg-ct-box{border:0;min-inline-size:0}.kg-ct-sent{justify-content:center;align-items:center;gap:.5rem;margin:0;font-size:2rem;font-weight:700;line-height:1.2;display:flex}.kg-ct-box{border:3px dashed var(--accent);min-block-size:2.6rem;min-inline-size:2.6rem;color:var(--accent);border-radius:10px;place-items:center;display:inline-grid}.kg-ct-box.on{color:var(--fg);border-style:solid}.kg-ct-pick{border-block-start:2px dashed var(--border);flex-wrap:wrap;justify-content:center;align-self:stretch;gap:.4rem;margin-block-start:.6rem;padding-block-start:.9rem;display:flex}kg-counters button.kg-ct-c[aria-pressed=false]{outline:2px dashed color-mix(in srgb, var(--accent) 55%, transparent);outline-offset:2px;cursor:pointer}kg-counters[apple] button.kg-ct-c.c1{background:var(--ct-yellow)}.kg-ct-tile{border:2px solid var(--border);background:var(--card);min-block-size:48px;min-inline-size:48px;color:var(--fg);border-radius:10px;font-size:1.4rem;font-weight:700}.kg-ct-tile[aria-checked=true]{border-color:var(--accent);background:var(--accent);color:var(--bg)}.kg-ct-strip{grid-template-columns:repeat(var(--n), minmax(0, 40px));border:2px solid 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var(--muted);background:var(--bg);color:var(--fg);z-index:1;border-radius:8px;justify-self:center;padding:0;font-size:1.35rem;position:relative}.kg-ld-box:focus-visible,.kg-ld-box:focus{outline:3px solid var(--accent);outline-offset:1px;border-color:var(--accent)}.kg-ld-box.no{border-style:dashed;border-color:var(--no);background:var(--no-bg)}.kg-ld-box.ok{color:var(--fg);background:0 0;border-color:#0000}.kg-ld-box.typed{color:var(--ok);font-weight:700}.kg-ld-box.shown{color:var(--accent)}.kg-ld-tools{text-align:center;flex-direction:column;align-items:center;gap:.4rem;margin-block-start:.6rem;display:flex}.kg-ld-ask{min-block-size:1.8em;margin:0;font-size:1.15rem}.kg-ld-ask bdi[dir=ltr]{unicode-bidi:isolate}.kg-ld-status{min-block-size:1.8em;color:var(--no);margin:0}.kg-ld-status.ok{color:var(--ok);font-weight:700}.kg-ld-note{white-space:nowrap;color:var(--fg);align-items:center;padding-inline:.3em;display:flex}.kg-ld-minus.kg-ld-end{justify-content:flex-start;padding-inline:2px 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.kg-nl-hit{stroke:var(--accent);stroke-width:3px;stroke-dasharray:none}.kg-nl-band.arc,.kg-nl-given.arc{fill:none;stroke-linecap:round}.kg-nl-band.arc{stroke-width:3.5px}.kg-nl-given.arc{stroke-width:2.5px}.kg-nl-sign.kg-nl-arrow{font-size:28px}.kg-nl-given{stroke:var(--muted);stroke-width:4px}.kg-nl-given.head{fill:var(--muted);stroke:none}.kg-nl-given.t1{stroke:var(--ok)}.kg-nl-given.t1.head{fill:var(--ok)}.kg-nl-given.t2{stroke:var(--shade)}.kg-nl-given.t2.head{fill:var(--shade)}.kg-nl-probe{cursor:grab;outline:none}.kg-nl-probe path{fill:var(--no)}.kg-nl-probe line{stroke:var(--no);stroke-width:2px;stroke-dasharray:3 3}.kg-nl-probe.ok path{fill:var(--ok)}.kg-nl-probe.ok line{stroke:var(--ok)}.kg-nl-probe:focus-visible .kg-nl-hit{stroke:var(--accent);stroke-width:3px}.kg-nl-cap{fill:var(--muted);text-anchor:start;paint-order:stroke;stroke:var(--card);stroke-width:5px;direction:ltr;font-size:13px}.kg-nl-cell{fill:var(--cell);stroke:var(--border);stroke-width:1.5px}.kg-nl-cell.res{stroke:var(--fg)}.kg-nl-c{cursor:pointer;outline:none}.kg-nl-c:focus-visible .kg-nl-cell{stroke:var(--accent);stroke-width:3px}.kg-nl-sign,.kg-nl-zero{fill:var(--fg);text-anchor:middle;font-size:22px;font-weight:700}.kg-nl-sign.blank{fill:var(--muted);font-size:16px;font-weight:400}.kg-nl-zero{paint-order:stroke;stroke:var(--card);stroke-width:6px;font-size:16px}.kg-nl-crit{stroke:var(--muted);stroke-width:1.5px;stroke-dasharray:4 3}.kg-nl-band,.kg-nl-given,.kg-nl-crit,.kg-nl-cap,.kg-nl-sign,.kg-nl-zero,.kg-nl-svg>.kg-nl-end{pointer-events:none}.kg-nl-iv{flex-direction:column;align-self:stretch;gap:.5rem;display:flex}.kg-nl-row{flex-wrap:wrap;justify-content:center;gap:.5rem;display:flex}.kg-nl-b{border-radius:var(--radius);border:2px solid var(--border);background:var(--card);min-block-size:44px;min-inline-size:44px;color:var(--fg);align-items:center;gap:.4rem;padding-inline:.7rem;font-size:.95rem;display:inline-flex}.kg-nl-b[hidden],.kg-nl-iv [hidden]{display:none}.kg-nl-b[aria-pressed=true]{border-color:var(--accent);background:var(--hint-bg);font-weight:700}.kg-nl-b:disabled{opacity:.45}.kg-nl-b svg{block-size:24px;inline-size:40px;fill:var(--accent);stroke:var(--accent);stroke-width:3px}.kg-nl-b svg path{fill:none}.kg-nl-b.secondary{border-color:var(--accent);color:var(--accent);background:0 0;border-radius:999px}.kg-nl-ico{border:3px solid var(--accent);background:var(--accent);border-radius:50%;flex:none;block-size:18px;inline-size:18px}.kg-nl-ico.open{background:var(--card)}.kg-nl-read{flex-wrap:wrap;justify-content:center;gap:.4rem 1.5rem;margin:0;font-size:1.15rem;font-weight:700;display:flex}.kg-nl-read bdi,.kg-nl-test bdi{white-space:nowrap}.kg-nl-test{text-align:center;border-radius:var(--radius);background:var(--no-bg);color:var(--no);margin:0;padding:.3rem .6rem}.kg-nl-test.ok{background:var(--ok-bg);color:var(--ok)}.kg-nl-svg.interactive .kg-nl-track,.kg-nl-svg.interactive [data-p]{touch-action:none}kg-pattern-machine{--pm-red:#d9473b;--pm-blue:#2f6fd0;--pm-yellow:#f2c232;--pm-green:#3a9a4f;--pm-purple:#8a4fc4;--pm-orange:#ee8a2a;--pm-edge:#2b2b2b;--pm-l0:#f3b1a9;--pm-l1:#a9c6f3;display:block;container-type:inline-size}@media (prefers-color-scheme:dark){kg-pattern-machine{--pm-edge:#0d0f12;--pm-l0:#8c3a30;--pm-l1:#2f5590}}.kg-pm{flex-direction:column;align-items:center;gap:.9rem;display:flex}.kg-pm button{font:inherit;color:inherit;cursor:pointer}.kg-pm button:disabled{cursor:default;opacity:.45}.kg-pm :is(button,input):focus-visible{outline:3px solid var(--accent);outline-offset:2px}.kg-pm-hint{justify-content:center;align-self:stretch;align-items:center;gap:.6rem;margin:0;font-weight:700;display:flex}.kg-pm-i{background:var(--hint-bg);border-radius:50%;flex:none;block-size:44px;inline-size:44px;position:relative}.kg-pm-i:before,.kg-pm-i:after{content:"";position:absolute}.kg-pm-i.i-continue:before{background:var(--pm-red);border-radius:50%;inset:15px 24px 15px 6px}.kg-pm-i.i-continue:after{border:2px dashed var(--accent);border-radius:4px;inset:14px 6px 14px 24px}.kg-pm-i.i-unit:before{background:radial-gradient(circle at 25% 50%, var(--pm-red) 5px, transparent 6px), radial-gradient(circle at 75% 50%, var(--pm-blue) 5px, transparent 6px);inset:10px 8px 20px}.kg-pm-i.i-unit:after{border:3px solid var(--accent);border-block-start:0;inset:26px 8px 10px}.kg-pm-i.i-fix:before{background:var(--pm-blue);border-radius:50%;inset:12px}.kg-pm-i.i-fix:after{background:var(--fg);inset:20px 6px;transform:rotate(45deg)}.kg-pm-i.i-count:before{background:radial-gradient(circle, var(--pm-orange) 4px, transparent 5px) 0 0 / 8px 8px;inset:8px 14px}.kg-pm-i.i-type:before{border:2px solid var(--fg);border-radius:4px;inset:13px 8px}.kg-pm-i.i-type:after{background:var(--accent);inset:17px 26px 17px 14px}.kg-pm-i.i-jump:before{border:3px solid var(--accent);border-block-end:0;border-radius:20px 20px 0 0;inset:12px 6px 18px}.kg-pm-i.i-machine:before{background:var(--pm-blue);border-radius:6px;inset:12px 10px}.kg-pm-i.i-shade:before{background:conic-gradient(var(--pm-l0) 25%, transparent 0 50%, var(--pm-l0) 0 75%, transparent 0) 0 0 / 12px 12px;border:2px solid var(--border);inset:10px}.kg-pm-i.i-order:before{border-inline:3px solid var(--accent);border-radius:10px;inset:14px 8px}.kg-pm-row,.kg-pm-pal{flex-wrap:wrap;justify-content:center;gap:4px;max-inline-size:100%;display:flex}.kg-pm-row .br{flex-basis:100%;block-size:.4rem;display:none}@container (width<=30rem){.kg-pm-row .br{display:block}}.kg-pm-slot{border:2px solid var(--border);background:var(--cell);border-radius:10px;flex:none;place-items:center;block-size:46px;inline-size:46px;padding:3px;display:grid}.kg-pm-slot svg{block-size:100%;inline-size:100%;stroke:var(--pm-edge);stroke-width:2px}.kg-pm-slot.empty{border-style:dashed;border-color:var(--accent);background:0 0}.kg-pm-slot.sel{border:3px solid var(--accent);box-shadow:0 0 0 3px var(--hint-bg)}button.kg-pm-slot:hover:not(:disabled){border-color:var(--accent)}.kg-pm-slot.unit{background:var(--hint-bg);border-color:var(--accent)}.kg-pm-slot.cut{margin-inline-start:10px;position:relative}.kg-pm-slot.cut:before{content:"";border-inline-start:3px solid var(--accent);position:absolute;inset-block:-4px;inset-inline-start:-9px}.kg-pm-pal{border-radius:var(--radius);background:var(--hint-bg);padding:.5rem}.kg-pm-pal .kg-pm-slot{block-size:52px;inline-size:52px}.kg-pm-tx{font-size:1.4rem;font-weight:700}.f-red{fill:var(--pm-red)}.f-blue{fill:var(--pm-blue)}.f-yellow{fill:var(--pm-yellow)}.f-green{fill:var(--pm-green)}.f-purple{fill:var(--pm-purple)}.f-orange{fill:var(--pm-orange)}.kg-pm-figs{flex-wrap:wrap;justify-content:center;align-items:flex-end;gap:1rem 1.4rem;max-inline-size:100%;display:flex}.kg-pm-fig{flex-direction:column;align-items:center;gap:.3rem;max-inline-size:100%;margin:0;display:flex}.kg-pm-fig svg{block-size:auto;max-inline-size:100%;overflow:visible}.kg-pm-fig figcaption{color:var(--muted);font-size:.85rem}.kg-pm-fig svg.sticks{stroke:var(--pm-orange);stroke-width:4px;stroke-linecap:round}.kg-pm-fig svg.dots{fill:var(--pm-blue)}.kg-pm-fig svg.squares{fill:var(--shade);stroke:var(--pm-edge);stroke-width:1px}.kg-pm-scroll{direction:ltr;max-inline-size:100%;overflow-x:auto}.kg-pm-tab{border-collapse:collapse}.kg-pm-tab :is(th,td){border:1px solid var(--border);text-align:center;min-inline-size:1.7rem;padding:.25rem .2rem}.kg-pm-tab th{background:var(--hint-bg);font-size:.85rem}.kg-pm-in{text-align:center;min-block-size:44px;inline-size:3.6em;font:inherit;border:2px solid var(--accent);background:var(--card);color:var(--fg);border-radius:8px;padding:.2rem;font-size:1.15rem}.kg-pm-tab .kg-pm-in{inline-size:3em}.kg-pm-q{flex-wrap:wrap;justify-content:center;align-items:center;gap:.5rem;margin:0;display:flex}.kg-pm-seq{flex-wrap:wrap;justify-content:center;align-items:flex-end;row-gap:.6rem;max-inline-size:100%;display:flex}.kg-pm-t{align-items:flex-end;font-size:1.25rem;font-weight:700;display:inline-flex}.kg-pm-t>span:first-child{background:var(--cell);border:1px solid var(--border);border-radius:8px;place-items:center;min-block-size:44px;min-inline-size:2.6rem;padding-inline:.2rem;display:grid}.kg-pm-hop{inline-size:2.6rem;color:var(--accent);flex-direction:column;align-items:center;margin-block-end:1.6rem;font-size:.8rem;display:flex}.kg-pm-hop svg{fill:none;inline-size:100%;stroke:var(--accent);stroke-width:2px}.kg-pm-hop b{white-space:nowrap;order:-1}.kg-pm-mach{grid-template-columns:minmax(0,1fr) auto minmax(0,1fr);grid-template-rows:auto repeat(var(--rows), auto);place-items:center;gap:.4rem .6rem;inline-size:100%;max-inline-size:26rem;display:grid}.kg-pm-h{font-size:.95rem}.kg-pm-box{grid-column:2;grid-row:2 / span var(--rows);border:3px solid var(--pm-blue);background:repeating-linear-gradient(45deg, transparent 0 10px, #2f6fd014 10px 20px), var(--card);border-radius:22px;flex-flow:column wrap;justify-content:center;align-self:stretch;align-items:center;gap:.4rem;min-inline-size:6.5rem;max-inline-size:11rem;padding:.6rem;display:flex}.kg-pm-box>span[role=radiogroup]{grid-template-columns:repeat(2,44px);gap:4px;display:grid}.kg-pm-box>i{color:var(--muted);font-style:normal}.kg-pm-stage{background:var(--hint-bg);white-space:nowrap;border-radius:999px;padding:.2rem .6rem;font-size:1.3rem;font-weight:700}.kg-pm-cellin,.kg-pm-cellout{grid-column:1;align-items:center;gap:.3rem;min-block-size:44px;font-size:1.2rem;font-weight:700;display:flex}.kg-pm-cellout{grid-column:3}.kg-pm-cellin:after,.kg-pm-cellout:before{content:"→" / "";color:var(--accent);font-weight:400}.kg-pm-try{border-block-start:2px dotted var(--border);padding-block-start:.4rem}.kg-pm-try output{background:var(--hint-bg);border-radius:8px;place-items:center;min-block-size:40px;min-inline-size:2.6rem;display:grid}.kg-pm-op{border:2px solid var(--border);background:var(--card);border-radius:10px;block-size:44px;inline-size:44px;font-size:1.3rem;font-weight:700}.kg-pm-op[aria-checked=true]{border-color:var(--accent);background:var(--accent);color:var(--card)}.kg-pm-sq{grid-template-columns:repeat(var(--c), minmax(0, 1fr));gap:2px;inline-size:100%;max-inline-size:30rem;display:grid}.kg-pm-cell{aspect-ratio:1;border:1px solid var(--border);background:var(--cell);border-radius:4px;place-items:center;min-inline-size:0;padding:0;font-size:clamp(.7rem,3.4cqi,1rem);display:grid}.kg-pm-cell.l0{background:var(--pm-l0);border-color:var(--pm-red)}.kg-pm-cell.l1{background:var(--pm-l1);border-color:var(--pm-blue)}.kg-pm-cell.l0.l1{background:linear-gradient(135deg, var(--pm-l0) 50%, var(--pm-l1) 50%);border:2px solid var(--fg);font-weight:700}.kg-pm-lay{border:2px solid var(--border);background:var(--card);border-radius:999px;min-block-size:44px;padding-inline:.8rem}.kg-pm-lay:before{content:"";vertical-align:-.1em;background:var(--pm-l0);border-radius:3px;block-size:.9em;inline-size:.9em;margin-inline-end:.4em;display:inline-block}.kg-pm-lay.l1:before{background:var(--pm-l1)}.kg-pm-lay[aria-checked=true]{border-color:var(--accent);box-shadow:inset 0 0 0 2px var(--accent)}.kg-pm-ctl{flex-wrap:wrap;justify-content:center;gap:.5rem;display:flex}.kg-pm-btn{border:2px solid var(--border);background:var(--card);border-radius:999px;min-block-size:44px;min-inline-size:44px;padding-inline:.9rem;font-size:1.05rem}.kg-pm-ex{flex-direction:column;align-items:flex-start;gap:.3rem;max-inline-size:100%;font-size:1.3rem;display:flex}.kg-pm-ex p{color:var(--muted);flex-wrap:wrap;align-items:center;gap:.25rem;margin:0;display:flex}.kg-pm-ex p.cur{color:var(--fg);font-weight:700}.kg-pm-ex p.end>span:last-child{background:var(--ok-bg);color:var(--ok);border-radius:8px;padding:.1rem .6rem}.kg-pm-ex .kg-pm-op{inline-size:auto;min-inline-size:44px}.kg-pm-ex .kg-pm-op.pow{align-self:flex-start;block-size:44px;min-inline-size:44px}.kg-pm-q bdi{align-items:center;gap:.3rem;font-size:1.25rem;font-weight:700;display:inline-flex}.kg-pm-chain{flex-wrap:wrap;justify-content:center;align-items:center;row-gap:.8rem;max-inline-size:100%;display:flex}.kg-pm-cn{border:2px solid var(--border);background:var(--cell);border-radius:50%;place-items:center;min-block-size:3rem;min-inline-size:3rem;padding-inline:.3rem;font-size:1.25rem;font-weight:700;display:inline-grid}.kg-pm-cn .kg-pm-in{background:0 0;border:0;inline-size:3.2em}.kg-pm-fl{inline-size:3.6rem;color:var(--accent);flex-direction:column;align-items:center;display:inline-flex}.kg-pm-fl b{font-size:1.05rem}.kg-pm-fl .kg-pm-in{inline-size:3.2em}.kg-pm-fl svg{fill:none;block-size:.8rem;inline-size:100%;stroke:var(--accent);stroke-width:2px}.kg-pm-ord{flex-direction:column;align-items:center;display:inline-flex}.kg-pm-ord i{min-block-size:1.2rem;color:var(--accent);font-size:.85rem;font-style:normal;font-weight:800}.kg-pm-ord .kg-pm-op:disabled{opacity:1;border-color:var(--accent)}.kg-pm-num{border:2px solid var(--border);background:var(--card);min-block-size:44px;min-inline-size:44px;font:inherit;color:inherit;cursor:pointer;border-radius:10px;font-weight:700}.kg-pm-num.on{border-color:var(--accent);background:color-mix(in srgb, var(--accent) 18%, var(--card))}.kg-pm-br{color:var(--accent);font-size:1.6rem;font-weight:800}.kg-pm-res{background:var(--ok-bg);color:var(--ok);border-radius:8px;padding:.1rem .6rem}kg-place-value{--pv-block:var(--shade);--pv-edge:#8a4a17;--pv-bead:#3f3d1d;--pv-hl:#3b82c4;max-inline-size:100%;display:block;overflow-x:auto;container-type:inline-size}@media (prefers-color-scheme:dark){kg-place-value{--pv-edge:#f3c08f;--pv-bead:#d8cf8f;--pv-hl:#5aa6e0}}.kg-pv{flex-direction:column;align-items:center;gap:.6rem;display:flex}.kg-pv-row{--u:clamp(5px, calc(100cqi / var(--pv-n) / 12), 13px);grid-template-columns:repeat(var(--pv-n), minmax(44px, 1fr));direction:ltr;gap:0;inline-size:100%;max-inline-size:30rem;display:grid}.kg-pv-row.locked{grid-template-columns:repeat(var(--pv-n), minmax(0, 1fr))}.kg-pv-row+.kg-pv-row{margin-block-start:.4rem}.kg-pv-vis{min-block-size:calc(var(--u) * 11);border-radius:8px;flex-wrap:wrap-reverse;place-content:flex-start center;align-items:flex-end;gap:4px;padding:4px 2px;display:flex;position:relative}.kg-pv-g{border:2px solid #0000;border-radius:10px;flex-wrap:wrap-reverse;justify-content:center;align-items:flex-end;gap:2px;padding:2px;display:flex}.kg-pv-g.full{border:2px dashed var(--accent)}.kg-pv-g i{flex:none;display:block}.kg-pv-u,.kg-pv-r,.kg-pv-f,.kg-pv-k{background-color:var(--pv-block);border:1px solid var(--pv-edge)}.kg-pv-g:has(.kg-pv-u){inline-size:calc(var(--u) * 5 + 16px)}.kg-pv-u{inline-size:var(--u);block-size:var(--u);border-radius:2px}.kg-pv-r{inline-size:var(--u);block-size:calc(var(--u) * 10);background-image:repeating-linear-gradient(to top, transparent 0 calc(var(--u) - 1px), var(--pv-edge) calc(var(--u) - 1px) var(--u))}.kg-pv[data-tie] .kg-pv-r{background-image:linear-gradient(transparent 47%, var(--fg) 47% 53%, transparent 53%), repeating-linear-gradient(to top, transparent 0 calc(var(--u) - 1px), var(--pv-edge) calc(var(--u) - 1px) var(--u))}.kg-pv-f,.kg-pv-k{inline-size:calc(var(--u) * 4);block-size:calc(var(--u) * 4)}.kg-pv-f{background-image:repeating-linear-gradient(to right, transparent 0 calc(var(--u) * .4 - 1px), var(--pv-edge) 0 calc(var(--u) * .4)), repeating-linear-gradient(to top, transparent 0 calc(var(--u) * .4 - 1px), var(--pv-edge) 0 calc(var(--u) * .4))}.kg-pv-k{box-shadow:3px -3px 0 var(--pv-edge), 5px -5px 0 var(--pv-block);margin-block-start:5px;margin-inline-end:5px}.kg-pv-t{background:var(--pv-hl);color:#fff;text-align:center;border-radius:50%;block-size:20px;inline-size:20px;font:700 12px/20px system-ui,sans-serif}.kg-pv[data-view=abacus] .kg-pv-vis{flex-flow:column-reverse;justify-content:flex-start;align-items:center;gap:0;min-block-size:144px;padding-block:8px 0}.kg-pv[data-view=abacus] .kg-pv-vis:before{content:"";background:var(--fg);border-radius:2px;inline-size:3px;position:absolute;inset-block:0;inset-inline-start:calc(50% - 1.5px)}.kg-pv[data-view=abacus] .kg-pv-g{z-index:1;border-radius:50%/14px;flex-flow:column-reverse;gap:0;padding:2px 4px}.kg-pv-b{background:radial-gradient(circle at 35% 35%, color-mix(in srgb, var(--pv-bead) 60%, #fff), var(--pv-bead) 60%);border-radius:50%;block-size:12px;inline-size:30px;margin-block:.5px}.kg-pv-base{border:2px solid var(--fg);background:var(--card);z-index:1;border-radius:3px;grid-column:1/-1;block-size:16px;position:relative}.kg-pv-lab{text-align:center;font-size:clamp(.62rem, calc(100cqi / var(--pv-n) / 5.2), .85rem);hyphens:auto;padding:4px 1px;line-height:1.25}.kg-pv-lab:has(>bdi){font-size:clamp(.85rem, calc(100cqi / var(--pv-n) / 3), 1.1rem);color:var(--accent);font-weight:700}.kg-pv-lab>bdi sup{font-size:.7em}.kg-pv-class{text-align:center;color:var(--muted);border-block-end:2px solid var(--border);margin-inline:3px;font-size:.8rem}.kg-pv-cell{text-align:center;border-block-start:2px solid var(--accent);min-block-size:2.6rem;font-size:1.6rem;font-weight:700;line-height:1.6;position:relative}.kg-pv-cell+.kg-pv-cell{border-inline-start:2px solid var(--accent)}.kg-pv-cell.over{color:var(--no);background:var(--no-bg)}.kg-pv-cell[data-mark]:after{content:attr(data-mark);color:var(--accent);z-index:1;position:absolute;inset-block-end:0;inset-inline-end:-.25em}.kg-pv[data-view=abacus] .kg-pv-cell{border:2px solid var(--fg);border-radius:6px;margin-inline:6px}.kg-pv-row .edge{box-shadow:inset -3px 0 0 var(--border);border-radius:0}.kg-pv-row .hl{background-color:color-mix(in srgb, var(--pv-hl) 16%, transparent)}.kg-pv-vis.hl{outline:3px solid var(--pv-hl);outline-offset:-3px}.kg-pv-row .look{background-color:color-mix(in srgb, var(--accent) 10%, transparent)}.kg-pv-vis.look{outline:3px dashed var(--accent);outline-offset:-3px}.kg-pv-ctl{flex-wrap:wrap;place-content:flex-start center;gap:4px;padding:6px 1px;display:flex}.kg-pv button{border:2px solid var(--accent);min-block-size:44px;min-inline-size:44px;color:var(--accent);background:0 0;border-radius:50%;justify-content:center;align-items:center;padding:0;font-size:1.35rem;line-height:1;display:inline-flex}.kg-pv button:disabled{opacity:.3;cursor:default}.kg-pv button:focus-visible{outline:3px solid 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