:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;--bg:#fff8ec;--ink:#26221c;--muted:#5a5246;--line:#e2d6c0;--tray:#f1e6d2;--well:#eadfcb;--op:#8f8574;--surface:#fffdf8;--red:#d7263d;--red-ink:#b81e33;--yellow:#f2c14e;--blue:#1f6fb2;--green:#2a9d4b;--green-ink:#1f7a39;--focus:#1f6fb2;--t1:#d7263d;--t2:#1f6fb2;--t3:#2a9d4b;--t4:#b97a0f;--t5:#8e44ad;--t6:#d24b22;--t7:#0e8a96;--t8:#c2185b;--t9:#3d5a80;--t10:#4f7a38;--t11:#a65c1a;--t12:#5c6bc0;--font-display:"Lilita One", sans-serif;--radius:8px;--radius-s:6px;--shade:inset 0 -5px 0 #0003;--shade-s:inset 0 -3px 0 #00000024;--measure:34rem;--gutter:16px;--wide:76rem;--col-gap:32px;--color-bg:var(--bg);--color-surface:var(--surface);--color-text:var(--ink);--color-muted:var(--muted);--color-accent:var(--blue);--color-accent-text:#fff;--color-border:var(--line);--space:var(--gutter);--font-size-base:17px}
html{-webkit-text-size-adjust:100%;-webkit-tap-highlight-color:transparent}body{background:var(--bg);color:var(--ink);text-rendering:optimizelegibility;margin:0;font-size:17px;font-weight:500;line-height:1.5}a{color:var(--blue);text-underline-offset:3px}:focus-visible{outline:3px solid var(--focus);outline-offset:3px}button{font:inherit;color:inherit;cursor:pointer;touch-action:manipulation}button:disabled{cursor:default}h1,h2,h3{text-wrap:balance}h1{font-family:var(--font-display);letter-spacing:.005em;margin-block:4px 10px;font-size:2.6rem;font-weight:400;line-height:1}h2{margin-block:0 10px;font-size:1.05rem;font-weight:800}h3{margin-block:0 8px;font-size:1rem;font-weight:800}p{margin-block:0 12px}.wrap{max-inline-size:var(--measure);padding-inline:var(--gutter);margin-inline:auto}main{padding-block:8px 48px}body{flex-direction:column;min-block-size:100dvh;display:flex}body>main{box-sizing:border-box;flex:1 0 auto;inline-size:100%}.lead{color:var(--muted);margin-block:0 18px;font-size:1.05rem}.muted{color:var(--muted)}.small{font-size:.9rem}.kicker{color:var(--blue);margin:0;font-size:.82rem;font-weight:800}.label{margin-block:0 8px;font-size:.9rem;font-weight:800}.note{background:var(--tray);border-radius:var(--radius);padding:12px 14px;font-weight:700}.block{margin-block-start:32px}.sr-only{clip-path:inset(50%);white-space:nowrap;border:0;block-size:1px;inline-size:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.skip{position:absolute;inset-inline-start:-9999px}.skip:focus{background:var(--surface);border-radius:var(--radius);z-index:100;padding:8px 12px;inset-block-start:var(--gutter);inset-inline-start:var(--gutter)}header.site{padding-block:10px 4px}.bar{justify-content:space-between;align-items:center;gap:12px;padding-block-start:env(safe-area-inset-top);display:flex}.brand{font-family:var(--font-display);color:var(--red);align-items:center;gap:8px;min-block-size:44px;font-size:1.6rem;text-decoration:none;display:inline-flex}.lang{background:var(--yellow);min-block-size:44px;min-inline-size:48px;color:var(--ink);border-radius:var(--radius);place-items:center;font-weight:800;text-decoration:none;display:inline-grid;box-shadow:inset 0 -4px #0000002e}header.site .site-nav{display:grid}header.site .site-nav a{margin:0}.site-nav{grid-auto-columns:minmax(0,1fr);grid-auto-flow:column;gap:6px;padding-block:6px 4px;display:grid}@media (max-width:479px){.site-nav a{gap:4px;padding-inline:4px;font-size:.9rem}.site-nav a svg{block-size:16px;inline-size:16px}}@media (max-width:359px){.site-nav a svg{display:none}}.site-nav a{border-radius:var(--radius);background:var(--tray);min-block-size:44px;color:var(--ink);white-space:nowrap;justify-content:center;align-items:center;gap:6px;padding-inline:6px;font-weight:800;text-decoration:none;display:inline-flex}.site-nav a[aria-current=page]{background:var(--ink);color:var(--bg)}.burger{border-radius:var(--radius);background:var(--ink);block-size:48px;inline-size:48px;color:var(--bg);cursor:pointer;border:0;place-items:center;padding:0;display:inline-grid;box-shadow:inset 0 -4px #00000040}.burger[aria-expanded=true]{background:var(--red-ink);color:#fff}.burger:focus-visible{outline:3px solid var(--focus);outline-offset:2px}@media (max-width:767px){.bar .lang{margin-inline-start:auto}header.site .site-nav[data-open=false]{display:none}header.site .site-nav{grid-template-columns:minmax(0,1fr);grid-auto-flow:row;gap:8px;padding-block:10px 6px}header.site .site-nav a{justify-content:flex-start;gap:12px;min-block-size:48px;padding-inline:16px;font-size:1.05rem}header.site .site-nav a svg{block-size:20px;inline-size:20px;display:block}}@media (min-width:768px){.burger{display:none}}footer.site{border-block-start:8px solid var(--green);background:var(--tray);padding-block:20px calc(20px + env(safe-area-inset-bottom));margin-block-start:24px;font-size:.95rem}footer.site ul{flex-wrap:wrap;gap:4px 16px;margin:0 0 12px;padding:0;list-style:none;display:flex}footer.site a{color:var(--ink);padding-block:6px;font-weight:700;display:inline-block}.pyxl-lang ul{align-items:center;gap:12px;margin:0 0 12px;padding:0;list-style:none;display:flex}.pyxl-lang [aria-current]{font-weight:800}.pyxl-locale-suggest{background:var(--yellow);padding:10px var(--gutter);font-size:.95rem;font-weight:700}.pyxl-locale-suggest a{color:var(--ink)}.pyxl-locale-suggest button{color:var(--ink);background:0 0;border:0;padding:8px;text-decoration:underline}.with-hint{align-items:center;gap:8px;display:flex}.with-hint>h1,.with-hint>h2,.with-hint>.label{margin-block-end:0}.page-head{margin-block-end:18px}.page-head h1{margin-block:4px 0}.hint{display:inline-flex;position:relative}.hint-btn{block-size:44px;inline-size:44px;color:var(--blue);background:0 0;border:0;border-radius:50%;place-items:center;padding:0;display:grid}.hint-btn:hover{background:var(--tray)}.hint-pop{z-index:60;inline-size:max-content;max-inline-size:min(300px, calc(100vw - 2 * var(--gutter)));border-radius:var(--radius);background:var(--ink);color:var(--bg);font-size:.92rem;font-weight:600;line-height:1.4;font-family:var(--font-sans);letter-spacing:0;text-wrap:pretty;padding:10px 12px;display:none;position:absolute;inset-block-start:calc(100% + 4px);inset-inline-start:-8px}.hint:hover .hint-pop,.hint:focus-within .hint-pop{display:block}@media (max-width:1023px){.hint-pop{inset-block:auto calc(16px + env(safe-area-inset-bottom));inset-inline:var(--gutter);inline-size:auto;max-inline-size:none;padding:14px 16px;font-size:1rem;position:fixed}}.studs{--sc:var(--c,var(--line));position:relative}.studs:before,.studs:after{content:"";background:var(--sc);pointer-events:none;border-radius:4px 4px 0 0;block-size:7px;inline-size:24%;max-inline-size:18px;position:absolute;inset-block-start:-6px}.studs:before{inset-inline-start:16%}.studs:after{inset-inline-end:16%}.primary,.secondary,.btn{border-radius:var(--radius);border:0;justify-content:center;align-items:center;gap:8px;min-block-size:56px;inline-size:100%;padding-inline:18px;font-weight:800;text-decoration:none;display:inline-flex}.primary,.btn.primary{--sc:var(--c,var(--red));background:var(--c,var(--red));color:#fff;font-family:var(--font-display);margin-block-start:8px;font-size:1.5rem;font-weight:400;box-shadow:inset 0 -6px #0003}.secondary,.btn.secondary,.btn{background:var(--tray);color:var(--ink);box-shadow:var(--shade-s)}.primary:disabled{background:var(--well);color:var(--muted);box-shadow:none;--sc:var(--well)}.link{color:var(--blue);text-underline-offset:3px;background:0 0;border:0;align-items:center;gap:6px;min-block-size:44px;padding:8px 4px;font-weight:800;text-decoration:underline;display:inline-flex}.link.danger{color:var(--red-ink)}.icon-btn{border-radius:var(--radius);background:var(--tray);border:0;flex:none;place-items:center;block-size:44px;inline-size:44px;padding:0;display:grid}@media (hover:hover){.primary:not(:disabled):hover,.secondary:hover,.tbl:hover,.ans-btn:not(:disabled):hover,.key:not(:disabled):hover,.site-nav a:hover{filter:brightness(.96)}}@media (prefers-reduced-motion:no-preference){.primary:not(:disabled):active,.tbl:active,.ans-btn:active,.key:active{transform:translateY(2px)}}.seg{background:var(--tray);border-radius:10px;grid-template-columns:1fr 1fr;gap:4px;padding:4px;display:grid}.seg-3{grid-template-columns:repeat(3,1fr)}.seg button{border-radius:var(--radius);background:0 0;border:0;min-block-size:48px;padding-inline:6px;font-weight:800}.seg button[aria-checked=true],.seg button[aria-pressed=true]{background:var(--surface);box-shadow:var(--shade-s)}.field{margin-block-end:20px}.label-row{justify-content:space-between;align-items:baseline;gap:8px;display:flex}.label-links{gap:6px;display:inline-flex}.toggle{border-block-end:2px solid var(--well);justify-content:space-between;align-items:center;gap:16px;padding-block:12px;display:flex}.toggle>span{display:grid}.toggle-label{font-weight:800}.toggle input{appearance:none;background:var(--well);cursor:pointer;border-radius:16px;flex:none;block-size:32px;inline-size:52px;margin:0;position:relative}.toggle input:after{content:"";background:var(--surface);block-size:24px;inline-size:24px;box-shadow:var(--shade-s);border-radius:50%;position:absolute;inset-block-start:4px;inset-inline-start:4px}.toggle input:checked{background:var(--green)}.toggle input:checked:after{inset-inline-start:24px}@media (prefers-reduced-motion:no-preference){.toggle input:after{transition:inset-inline-start .15s ease-out}}details.more{border-radius:var(--radius);background:var(--surface);border:2px solid var(--line);margin-block:4px 16px;padding-inline:14px}details.more>summary{cursor:pointer;align-items:center;gap:8px;min-block-size:48px;font-weight:800;list-style:none;display:flex}details.more>summary::-webkit-details-marker{display:none}details.more[open]>summary{border-block-end:2px solid var(--well);margin-block-end:12px}.tables{grid-template-columns:repeat(6,minmax(0,1fr));gap:12px 8px;margin:0 0 8px;padding:6px 0 0;list-style:none;display:grid}.tables li{display:grid}.tbl{--sc:var(--c);background:var(--c);color:#fff;border-radius:var(--radius-s);min-block-size:52px;font-family:var(--font-display);box-shadow:var(--shade);text-shadow:0 1px #00000059;border:0;place-items:center;margin-block-start:6px;padding:0;font-size:1.5rem;text-decoration:none;display:grid}.tbl[aria-pressed=true],.tbl[aria-current=page]{outline:3px solid var(--ink);outline-offset:2px}.tables[data-multi] .tbl[aria-pressed=false]{opacity:.45}.tables.small .tbl{min-block-size:44px;font-size:1.25rem}.towers-fig{margin:0 0 22px}.thead{justify-content:space-between;align-items:baseline;gap:8px;margin-block-end:10px;font-size:.9rem;font-weight:800;display:flex}.thead h2{margin:0;font-size:1.05rem}.thead-count{color:var(--muted)}.towers{border-block-end:8px solid var(--green);border-radius:0 0 6px 6px;grid-template-columns:repeat(12,minmax(0,1fr));align-items:end;gap:4px;block-size:170px;padding-inline:4px;display:grid}.tower{border-radius:3px;flex-direction:column-reverse;gap:2px;min-block-size:4px;display:flex}.tower i{background:var(--c);border-radius:2px;block-size:10px;display:block;box-shadow:inset 0 -3px #0000002e}.tower i[data-s=placed]{opacity:.55}.tower i:last-child{position:relative}.tower i:last-child:before{content:"";background:var(--c);border-radius:3px 3px 0 0;block-size:5px;position:absolute;inset-block-start:-5px;inset-inline:20%}.tower[data-cur]{outline:3px dashed var(--ink);outline-offset:3px}@media (prefers-reduced-motion:no-preference){.tower i[data-new]{animation:.35s ease-out both drop}.tower i[data-new]:nth-last-child(2){animation-delay:80ms}.tower i[data-new]:nth-last-child(3){animation-delay:.16s}}@keyframes drop{0%{opacity:0;transform:translateY(-18px)}to{opacity:1;transform:none}}.tlabels{text-align:center;grid-template-columns:repeat(12,minmax(0,1fr));gap:4px;margin-block-start:6px;padding-inline:4px;font-size:.75rem;font-weight:800;display:grid}.more-tables{flex-wrap:wrap;align-items:center;gap:8px 12px;margin-block-start:12px;display:flex}.more-tables .label{margin:0}.more-tables ul{flex-wrap:wrap;gap:6px;margin:0;padding:0;list-style:none;display:flex}.more-tables a{border-radius:var(--radius-s);background:var(--tray);min-block-size:44px;min-inline-size:44px;color:var(--ink);place-items:center;font-weight:800;text-decoration:none;display:inline-grid}.more-tables a:hover{background:var(--well)}.hero{margin-block-end:22px;padding-block:12px 4px}.hero .primary,.print-teaser .secondary{margin-block-start:4px}.faq details{border-block-end:2px solid var(--well)}.faq summary{cursor:pointer;align-items:center;min-block-size:48px;padding-block:8px;font-weight:800;display:flex}.faq details p{color:var(--muted)}.trainer.setup{flex-direction:column;padding-block-start:8px;display:flex}.setup-side,.setup-main{display:contents}.setup-side .dock-inline{order:99}.dock{padding:12px var(--gutter) calc(14px + env(safe-area-inset-bottom));background:var(--bg);gap:10px;display:grid}.dock-inline{z-index:2;margin-inline:calc(var(--gutter) * -1);position:sticky;inset-block-end:0}.dock-inline .primary{margin-block-start:0}.trainer.intro{gap:4px;display:grid}.stage{z-index:50;background:var(--bg);overscroll-behavior:contain;flex-direction:column;padding-inline:max(0px,50vw - 240px);display:flex;position:fixed;inset:0;overflow-y:auto}.round-bar{padding:12px var(--gutter);align-items:center;gap:12px;padding-block-start:calc(12px + env(safe-area-inset-top));display:flex}.steps{flex:1;grid-auto-columns:minmax(0,1fr);grid-auto-flow:column;align-items:center;gap:4px;display:grid}.steps span{background:var(--well);border-radius:3px;block-size:10px}.steps span[data-s=ok]{background:var(--green)}.steps span[data-s=miss]{background:var(--red)}.steps span[data-s=now]{background:var(--yellow)}.timer{text-align:end;font-variant-numeric:tabular-nums;min-inline-size:44px;font-weight:800}.round{flex-direction:column;flex:1;gap:18px;padding:4px 20px 16px;display:flex}.meta{color:var(--muted);justify-content:space-between;gap:12px;margin:0;font-size:.9rem;font-weight:800;display:flex}.q-bricks:focus{outline:none}.q-bricks{border-radius:var(--radius);flex-wrap:wrap;justify-content:center;gap:8px;padding-block-start:12px;display:flex}.brick{--sc:var(--c);background:var(--c);color:#fff;border-radius:var(--radius-s);block-size:76px;min-inline-size:60px;font-family:var(--font-display);text-shadow:0 2px #0000004d;font-variant-numeric:tabular-nums;place-items:center;padding-inline:10px;font-size:3rem;line-height:1;display:grid;box-shadow:inset 0 -7px #0003}.brick.op{--c:var(--op);min-inline-size:42px;font-size:2.2rem}.brick.dividend{--c:var(--ink)}.brick.ans{--c:var(--surface);--sc:var(--line);color:var(--ink);text-shadow:none;border:3px dashed var(--op);box-shadow:none;min-inline-size:76px}.round[data-state=correct] .brick.ans{--c:var(--green);--sc:var(--green);color:#fff;border:0}.round[data-state=wrong] .brick.ans{--c:var(--surface);--sc:var(--op);color:var(--ink);border:3px solid var(--op)}@media (prefers-reduced-motion:no-preference){.round[data-state=correct] .brick.ans{animation:.25s ease-out both snap}}@keyframes snap{0%{transform:translateY(-14px)}to{transform:none}}.plate{grid-template-columns:repeat(var(--cols), 14px);background:var(--c);border-radius:var(--radius-s);align-self:center;gap:3px;padding:8px;display:grid;box-shadow:inset 0 -5px #0003}.plate[data-size=s]{grid-template-columns:repeat(var(--cols), 11px);gap:2px}.plate i{aspect-ratio:1;background:#ffffff38;border-radius:50%;box-shadow:inset -2px -2px #0003}.feedback{text-align:center;min-block-size:1.5em;margin:0;font-weight:800}.round[data-state=correct] .feedback{color:var(--green-ink)}.round[data-state=wrong] .feedback{color:var(--red-ink)}.stage .dock{position:sticky;inset-block-end:0}.choices{grid-template-columns:1fr 1fr;gap:12px 10px;padding-block-start:6px;display:grid}.ans-btn{--sc:var(--line);background:var(--surface);border:3px solid var(--line);border-radius:var(--radius);min-block-size:72px;font-family:var(--font-display);color:var(--ink);font-variant-numeric:tabular-nums;font-size:2.1rem}.ans-btn[data-s=right]{--sc:var(--green);background:var(--green);border-color:var(--green);color:#fff}.ans-btn:disabled:not([data-s]){opacity:.6}.keypad{grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;display:grid}.key{background:var(--surface);border:3px solid var(--line);border-radius:var(--radius);min-block-size:56px;font-family:var(--font-display);place-items:center;font-size:1.6rem;display:grid}.key-ok{background:var(--green);border-color:var(--green);color:#fff}.key:disabled{opacity:.5}.result{flex:1;padding:4px 20px 16px}.result>h2{font-family:var(--font-display);margin-block:4px 8px;font-size:2.6rem;font-weight:400;line-height:1}.result>h2:focus{outline:none}.result .muted{font-size:.95rem}.score{flex-wrap:wrap;align-items:baseline;gap:12px;margin-block:0 4px;display:flex}.score-num{font-family:var(--font-display);color:var(--red);font-size:7rem;line-height:.9}.score-of{color:var(--muted);font-weight:800}.mistakes{margin-block:12px 20px}.mistakes ul{flex-wrap:wrap;gap:8px;margin:0;padding:0;list-style:none;display:flex}.mistakes li{border-radius:var(--radius-s);background:var(--surface);border:2px solid var(--c);padding:6px 10px;font-weight:700}.mistakes strong{font-family:var(--font-display);font-weight:400}.table-page h1{align-items:center;gap:14px;display:flex}.brick.badge{flex:none;block-size:64px;min-inline-size:64px;margin-block-start:8px;font-size:2.4rem}table.times{border-collapse:separate;border-spacing:0 6px;font-variant-numeric:tabular-nums;inline-size:100%}table.times :is(td,th){font-family:var(--font-display);text-align:center;background:var(--surface);padding:6px 4px;font-size:1.6rem;font-weight:400}table.times :is(td,th):first-child{color:var(--c);border-start-start-radius:var(--radius-s);border-end-start-radius:var(--radius-s)}table.times td:last-child{border-start-end-radius:var(--radius-s);border-end-end-radius:var(--radius-s)}table.times td.op{color:var(--op)}table.times td.prod{background:var(--c);color:#fff;text-shadow:0 1px #0000004d;min-inline-size:72px}table.times tr[data-extra] :is(td,th):not(.prod){color:var(--muted)}.tricks{padding-inline-start:20px}.tricks li{margin-block-end:8px}.prev-next{justify-content:space-between;gap:8px;margin-block-end:20px;display:flex}.prev-next a{align-items:center;gap:4px;min-block-size:44px;font-weight:800;display:inline-flex}.game{background:var(--tray);border-radius:var(--radius);padding:16px}.game h2{margin-block-start:0}.game .seg{background:var(--well)}[role=tablist].sheet-picker{background:var(--tray);border-radius:10px;grid-template-columns:1fr 1fr;gap:6px;margin-block-end:16px;padding:4px;display:grid}.sheet-picker button{border-radius:var(--radius);background:0 0;border:0;min-block-size:48px;padding-inline:6px;font-size:.92rem;font-weight:800}.sheet-picker button[aria-selected=true]{background:var(--surface);box-shadow:var(--shade-s)}.panel{background:var(--surface);border:2px solid var(--line);border-radius:var(--radius);gap:8px;margin-block-end:16px;padding:14px;display:grid}.print-row{gap:10px;margin-block-end:20px;display:grid}.print-row .primary{margin-block-start:0}.sheet{display:none}.sheet[data-active]{display:block}.sheet h2{font-family:var(--font-display);font-size:1.6rem;font-weight:400}.scroll-x{overflow-x:auto}table.chart{border-collapse:collapse;font-variant-numeric:tabular-nums;text-align:center;inline-size:100%;font-size:.85rem}table.chart th,table.chart td{border:1px solid var(--line);text-align:center;padding:4px 2px}table.chart thead th{background:var(--ink);color:var(--bg)}table.chart tbody th{background:var(--c);color:#fff}table.chart td[data-diag]{background:var(--tray);font-weight:800}table.chart-20{min-inline-size:640px;font-size:.75rem}.cards{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;display:grid}.card-table{background:var(--surface);border:2px solid var(--c);border-radius:var(--radius);padding:8px 10px}.card-title{font-family:var(--font-display);color:var(--c);margin:0;font-size:1.6rem}.card-table ol{font-variant-numeric:tabular-nums;margin:0;padding:0;font-size:.92rem;list-style:none}.ws-meta{flex-wrap:wrap;gap:8px 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