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var(--space-7);text-align:center;margin:0}.home__grid{gap:var(--space-3);grid-template-columns:repeat(auto-fill,minmax(112px,1fr));width:100%;max-width:960px;display:grid}.home__card{padding:var(--space-2);border-radius:var(--radius-lg);background:var(--surface-200);color:var(--ink);box-shadow:var(--shadow-rest);font:inherit;cursor:pointer;touch-action:manipulation;border:0;flex-direction:column;align-items:center;transition:transform .16s ease-out;display:flex}.home__card:active{transform:scale(.97)}.home__card:focus-visible{outline:3px solid var(--focus);outline-offset:3px}.home__card .nu-picture{border-radius:var(--radius-md);width:100%;box-shadow:none}.nu-lesson{--pad:clamp(var(--space-3), 3dvh, var(--space-6));--prim-size:clamp(44px, min(11.5dvh, 15vw), 96px);--tile-h:calc(var(--prim-size) * 1.25);--tile-w:min(calc(var(--prim-size) * 1.58), calc((100cqw - 4 * var(--space-2)) / 4.5));--touch-hero:clamp(64px, 9dvh, 88px);--gap:clamp(12px, 4.7cqh, 48px);--stage-h:calc(100cqh - var(--touch-min) - var(--touch-hero));--below:0px;--gaps:2;--pic:clamp(96px, calc(var(--stage-h) - var(--below) - var(--gaps) * var(--gap)), min(var(--picture-lg), calc(100cqw - 2 * var(--space-2))));padding:var(--pad);container-type:size}.nu-lesson[data-kind=decode],.nu-lesson[data-kind=find-the-sound]{--below:calc(var(--tile-h) + var(--touch-hero));--gaps:3}.nu-lesson[data-kind=compose],.nu-lesson[data-kind=show-me]{--below:calc(var(--tile-h) * (1 + var(--tray-rows,1)) + var(--result-extra,0px));--gaps:3;--prim-size:clamp(44px, min(11.5dvh, 15vw, calc((100cqw - 2 * var(--space-2) - 24px) / var(--tray-em,5.7))), 96px)}.nu-lesson[data-kind=repeat]{--below:var(--touch-hero)}.nu-lesson[data-kind=find-the-words]{--sound-h:calc(var(--prim-size) * 1.583);--find-pic:min(200px, calc((100cqw - 2 * var(--space-2) - (var(--cols) - 1) * var(--space-4)) / var(--cols)), calc((var(--stage-h) - var(--sound-h) - 2 * var(--gap) - (var(--rows) - 1) * var(--space-3)) / var(--rows)))}.nu-lesson .nu-prim{min-width:max(44px, calc(var(--prim-size) * .83));padding:0 var(--space-1);font-size:var(--prim-size);line-height:calc(var(--prim-size) * 1.083)}.nu-lesson .nu-prim--xl{min-width:calc(var(--prim-size) * 1.167);height:calc(var(--prim-size) * 1.583);font-size:calc(var(--prim-size) * 1.333);line-height:calc(var(--prim-size) * 1.417)}.nu-lesson .nu-picture--letters .nu-prim--xl{height:auto;font-size:calc(var(--pic) * .355);line-height:calc(var(--pic) * .4)}.nu-tray{gap:calc(var(--prim-size) * .1);flex-wrap:wrap}.order__slots{justify-content:center;align-items:center;gap:var(--space-1);max-width:100%;display:flex;position:relative}.order__slots[data-result=below]{margin-bottom:calc(var(--tile-h) * .7 + var(--space-2))}.order__result{margin-left:var(--space-3);position:absolute;top:50%;left:100%;transform:translateY(-50%)}.order__slots[data-result=below] .order__result{margin:var(--space-2) 0 0;top:100%;left:50%;transform:translate(-50%)}.order__result .nu-badge{width:calc(var(--tile-h) * .7);height:calc(var(--tile-h) * .7)}.order__result .nu-icon{width:55%;height:55%}.nu-tray--spent{opacity:.35;filter:grayscale()}.order__slots .nu-slot{min-width:max(50px, calc(var(--prim-size) * .95 + 6px));flex:none}.nu-lesson__stage{gap:var(--gap);min-height:0;padding-inline:var(--space-2);overflow-y:auto}.lesson__work{width:100%}.lesson__hero,.lesson__work{align-items:center;gap:var(--gap);flex-direction:column;max-width:100%;display:flex}.lesson__hero .nu-picture{width:var(--pic)}.find__sound{align-items:center;gap:var(--space-5);display:flex}.find__grid{justify-content:center;gap:var(--space-3) var(--space-4);max-width:calc(var(--cols) * var(--find-pic) + (var(--cols) - 1) * var(--space-4));flex-wrap:wrap;display:flex}.find__choice{border-radius:var(--radius-xl);cursor:pointer;touch-action:manipulation;background:0 0;border:0;padding:0;position:relative}.find__choice:focus-visible{outline:3px solid var(--focus);outline-offset:3px}.find__choice .nu-picture{width:var(--find-pic)}.find__choice[aria-pressed=true] .nu-picture{box-shadow:0 0 0 4px var(--line-strong)}.find__mark{right:var(--space-2);bottom:var(--space-2);position:absolute}.find__mark .nu-badge{width:clamp(36px, calc(var(--find-pic) * .34), var(--touch-min));height:clamp(36px, calc(var(--find-pic) * .34), var(--touch-min))}.find__mark .nu-icon{width:60%;height:60%}@media (orientation:landscape) and (height<=540px){.nu-lesson{--pad:var(--space-3);--prim-size:clamp(44px, 15dvh, 80px);--pic:min(100cqh, 32cqw, 280px);--work-w:calc(100cqw - 112px - var(--pic));--tile-w:min(calc(var(--prim-size) * 1.4), calc((var(--work-w) - 3 * var(--space-2)) / 4));--touch-hero:64px;--gap:var(--space-3);grid-template-columns:var(--touch-min) auto minmax(0, 1fr);column-gap:var(--space-5);row-gap:var(--space-3);grid-template-rows:minmax(0,1fr) auto;display:grid;overflow:auto}.nu-lesson[data-kind=find-the-words]{--find-hero-w:calc(var(--prim-size) * 2.5);--find-pic:min(200px, calc((100cqw - 112px - var(--find-hero-w) - (var(--cols) - 1) * var(--space-4)) / var(--cols)), calc((100cqh - var(--touch-hero) - var(--space-3) - (var(--rows) - 1) * var(--space-3)) / var(--rows)))}.nu-lesson__top{justify-content:flex-start;gap:var(--space-4);flex-direction:column;grid-area:1/1/span 2}.nu-lesson__top-spacer{display:none}.nu-dots{flex-direction:column;gap:clamp(2px,1.4cqh,6px)}.nu-dot{flex:0 10px;width:10px;height:auto;min-height:4px}.nu-dot--now{flex:0 32px;width:10px;height:auto}.nu-lesson__stage{display:contents}.lesson__hero{grid-area:1/2/span 2;align-self:center}.lesson__work{grid-area:1/3;align-self:center;min-height:0}.nu-lesson__foot{grid-area:2/3}.find__sound{gap:var(--space-3);width:var(--find-hero-w);flex-direction:column}.home{gap:var(--space-3);padding:var(--space-4)}.home h1{font-size:32px;line-height:40px}.home__grid{gap:var(--space-3);grid-template-columns:repeat(auto-fill,minmax(104px,1fr));max-width:none}}@media (prefers-reduced-motion:reduce){.home__card{transition:none}.home__card:active{transform:none}}.nu-verdict{justify-content:center;align-items:center;gap:var(--touch-hero,1.5rem);display:flex}.order__slots .nu-slot--given{background:0 0;border-color:#0000;min-width:0}.nu-lesson__top .nu-dots{justify-content:center;gap:clamp(2px, .9cqw, var(--space-2));flex:1 1 0;min-width:0;min-height:0}.nu-lesson__top .nu-dot{flex:0 14px;min-width:5px}.nu-lesson__top .nu-dot--now{flex:0 40px}.adult-lock{bottom:max(var(--space-3), env(safe-area-inset-bottom));left:max(var(--space-3), env(safe-area-inset-left));opacity:.15;position:absolute}.help-btn{bottom:max(var(--space-3), env(safe-area-inset-bottom));right:max(var(--space-3), env(safe-area-inset-right));opacity:.15;position:absolute}.info{gap:var(--space-2) var(--space-4);text-align:left;grid-template-columns:auto auto;margin:0;display:grid}.info dt{color:var(--ink-muted)}.info dd{-webkit-user-select:text;user-select:text;margin:0;font-weight:700}.home__back{top:var(--space-3);left:var(--space-3);opacity:.6;position:absolute}.gate{z-index:10;position:fixed;inset:0}.gate__answer{min-width:120px;padding:var(--space-2) var(--space-4);border-radius:var(--radius-md,12px);background:var(--surface-sunken,#0000000d);text-align:center;font-size:2rem;font-weight:700}.gate__answer--wrong{outline:2px solid var(--ink-muted)}.gate__pad{gap:var(--space-3);grid-template-columns:repeat(3,72px);justify-items:center;display:grid}.gate__key{width:72px;min-width:0;font-size:1.5rem}.progress{align-items:center;gap:var(--space-5);height:100%;padding:var(--space-6);flex-direction:column;display:flex;position:relative;overflow-y:auto}.progress h1{margin:0}.progress__energy{align-items:center;gap:var(--space-3);color:var(--ink-muted);margin:0;display:flex}.progress__home{top:var(--space-3);left:var(--space-3);position:absolute}.progress__legend{color:var(--ink-muted);text-align:center;margin:0}.progress__grid{gap:var(--space-4);width:100%;max-width:var(--content-max);grid-template-columns:repeat(auto-fill,minmax(112px,1fr));margin:0;padding:0;list-style:none;display:grid}.progress__cell{align-items:center;gap:var(--space-3);padding:var(--space-4) var(--space-2);border-radius:var(--radius-lg);background:var(--surface-200);box-shadow:var(--shadow-rest);flex-direction:column;display:flex;position:relative}.progress__cell .nu-prim{min-width:0;height:72px;padding:0;font-size:44px;line-height:56px}.progress__cell .nu-dots{gap:var(--space-1)}.progress__cell .nu-dot{width:10px;height:10px;box-shadow:inset 0 0 0 2px var(--line-strong)}.progress__cell .nu-dot--done{box-shadow:none}.progress__evidence{background:var(--line);pointer-events:none;border-radius:2px;width:56px;height:4px;display:block;overflow:hidden}.progress__evidence>span{border-radius:inherit;background:var(--line-strong);height:100%;display:block}.progress__edit{border-radius:inherit;cursor:pointer;background:0 0;border:0;position:absolute;inset:0}.progress__cell .nu-prim,.progress__cell .nu-dots,.progress__check{pointer-events:none}.level__choices{justify-content:center;gap:var(--space-3);flex-wrap:wrap;display:flex}.level__choice{width:64px;min-width:0;font-size:1.5rem}.level__actions{gap:var(--space-5);display:flex}.progress__check{top:var(--space-2);right:var(--space-2);width:28px;height:28px;position:absolute}:root{--energy-full:#8fd19e;--energy-mid:#f7d56b;--energy-low:#f4a25f;--glass:clamp(32px, 5vw, 44px);--gauge-w:calc(var(--glass) + var(--space-2) + 5ch)}.nu-lesson__top-spacer,.hourglass,.playtime{flex:none}.nu-lesson__top-spacer{width:var(--gauge-w)}.playtime{justify-content:flex-end;align-items:center;gap:var(--space-2);width:var(--gauge-w);display:inline-flex}.playtime__clock{font-variant-numeric:tabular-nums;color:var(--ink-muted);font-weight:800}.hourglass{width:var(--glass);height:var(--glass);display:inline-flex}.hourglass svg{width:100%;height:100%;overflow:visible}.nu-lesson__top>.nu-iconbtn:first-child{margin-right:calc(var(--gauge-w) - var(--touch-min))}.hourglass__glass{fill:none;stroke:var(--ink);stroke-width:1.4px;stroke-linecap:round;stroke-linejoin:round}.hourglass__sand{fill:var(--energy-full);transition:fill .3s ease-out}.hourglass--mid .hourglass__sand{fill:var(--energy-mid)}.hourglass--low .hourglass__sand{fill:var(--energy-low)}.playtime--fixed{top:max(var(--space-3), env(safe-area-inset-top));right:max(var(--space-3), env(safe-area-inset-right));z-index:5;width:auto;padding:var(--space-1) var(--space-3);border-radius:var(--radius-lg);background:var(--surface-200);pointer-events:none;position:fixed;box-shadow:0 1px 4px #2b2f361f}.playtime--idle{opacity:.55;filter:grayscale();transition:opacity .3s ease-out}.playtime--miss{animation:.4s ease-in-out 3 playtime-miss}@keyframes playtime-miss{50%{background:var(--feedback-miss)}}.playtime--gain{animation:.4s ease-in-out 3 playtime-gain}@keyframes playtime-gain{50%{background:var(--feedback-right)}}.hourglass--rest{--glass:clamp(120px, 28vw, 200px)}@media (orientation:landscape) and (height<=540px){.nu-lesson__top>.nu-iconbtn:first-child{margin-right:0}.playtime--fixed{--glass:24px;font-size:.8em}}@media (prefers-reduced-motion:reduce){.playtime--miss,.playtime--gain{animation:none}.hourglass__sand{transition:none}}.rest{justify-content:center;align-items:center;gap:var(--space-7);height:100%;padding:var(--space-6);flex-direction:column;display:flex;position:relative}.start{height:100%;padding:var(--space-6);justify-content:center;align-items:center;display:flex;position:relative}.start__tiles{justify-content:center;align-items:center;gap:var(--space-6);flex-wrap:wrap;display:flex}.start__tile{aspect-ratio:1;border-radius:var(--radius-lg);background:var(--surface-200);width:min(40vw,40vh,280px);color:var(--ink);box-shadow:var(--shadow-rest);cursor:pointer;touch-action:manipulation;border:0;justify-content:center;align-items:center;transition:transform .16s ease-out;display:flex}.start__tile .nu-icon{width:55%;height:55%}.start__tile:active{transform:scale(.97)}.start__tile:focus-visible{outline:3px solid var(--focus);outline-offset:3px}@media (prefers-reduced-motion:reduce){.start__tile{transition:none}.start__tile:active{transform:none}}.suggest{max-height:90%;overflow-y:auto}.suggest__row{align-items:center;gap:var(--space-3);display:flex}.suggest__input{min-width:0;padding:var(--space-3) var(--space-4);border:3px solid var(--line,#e3dfd6);border-radius:var(--radius-md,16px);color:inherit;font:inherit;letter-spacing:.05em;text-transform:uppercase;background:0 0;flex:1;font-size:1.25rem}.suggest__input--right{border-color:var(--feedback-right)}.suggest__input--miss{border-color:var(--feedback-miss)}.suggest__reason{color:var(--ink-muted);margin:0}.suggest__word{gap:var(--space-2);display:inline-flex}.suggest__list{gap:var(--space-3);flex-direction:column;margin:0;padding:0;list-style:none;display:flex}.suggest__list li{justify-content:space-between;align-items:center;gap:var(--space-3);display:flex}