.mental-rotation_root__jfLt0{--mr-face-1:var(--text);--mr-face-2:color-mix(in srgb,var(--text) 55%,var(--text-2));--mr-face-3:var(--text-2);--mr-edge:var(--stage);--mr-frame:var(--line);--mr-cross:var(--text-2);--mr-cat:var(--spatial);--mr-fig:288px;--mr-fig-gap:24px;--mr-block:var(--mr-fig);--mr-btn-h:56px;--mr-btn-gap:24px;--mr-side:168px;--mr-example:72px;--mr-hud-h:44px;--mr-status-h:28px;--mr-floor:32px;--ctl-accent:var(--accent);--ctl-accent-deep:var(--pulse-deep);--ctl-accent-soft:var(--pulse-wash);--ctl-ink:var(--accent-ink);--ctl-surface:var(--surface);--fb-hair:var(--line);--fb-accent:var(--accent);--fb-warn:var(--warn);display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);grid-template-rows:auto 1fr auto auto;grid-template-areas:"hud  hud" "main main" "st   st" "same mirror";grid-column-gap:var(--mr-btn-gap);column-gap:var(--mr-btn-gap);grid-row-gap:var(--sp-3);row-gap:var(--sp-3);align-content:center;width:100%;min-width:0;padding-bottom:var(--mr-floor);scroll-margin-top:calc(var(--header-h) + var(--sp-2));isolation:isolate;touch-action:manipulation;-webkit-tap-highlight-color:transparent;-webkit-touch-callout:none;-moz-user-select:none;user-select:none;-webkit-user-select:none}.mental-rotation_root__jfLt0[data-screen-state=handoff],.mental-rotation_root__jfLt0[data-screen-state=practice],.mental-rotation_root__jfLt0[data-screen-state=running]{min-height:calc(var(--mr-hud-h) + var(--mr-block) + var(--sp-3) + var(--mr-status-h) + var(--sp-3) + var(--mr-btn-h) + var(--mr-floor))}.mental-rotation_root__jfLt0[data-screen-state=handoff] .mental-rotation_panel__Vgp9U,.mental-rotation_root__jfLt0[data-screen-state=voided] .mental-rotation_panel__Vgp9U{align-self:center}.mental-rotation_mid__Lw9NU,.mental-rotation_sideLeft__WB5cK,.mental-rotation_sideRight__LzSge{display:contents}.mental-rotation_hud__KUFFc{grid-area:hud;display:flex;align-items:center;gap:var(--sp-2);height:var(--mr-hud-h);min-width:0}.mental-rotation_quit__envpt{flex:none}.mental-rotation_quitSpacer__y2lkc{display:block;flex:none;width:44px;height:44px}.mental-rotation_hudPhase__SQsu2{margin-left:auto;color:var(--text-2);font-size:12px;white-space:nowrap}.mental-rotation_hudCount__JdliC{font:500 12px/1 var(--font-mono);font-feature-settings:"tnum";font-variant-numeric:tabular-nums;white-space:nowrap;color:var(--text)}.mental-rotation_figures__N7k_u{grid-area:main;display:flex;flex-direction:row;align-items:center;justify-content:center;align-self:center;justify-self:center;min-width:0}.mental-rotation_figures__N7k_u[data-flash=on]{outline:2px solid var(--warn);outline-offset:6px;border-radius:var(--r-md)}.mental-rotation_frame__Ng74O{flex:none;width:var(--mr-fig);height:var(--mr-fig);border:1px solid var(--mr-frame);border-radius:var(--r-md);overflow:hidden}.mental-rotation_solid__K31vq{display:block;width:100%;height:100%}.mental-rotation_faceTop___s94g{fill:var(--mr-face-1)}.mental-rotation_faceSideX__xuDQe{fill:var(--mr-face-2)}.mental-rotation_faceSideY__WP5ut{fill:var(--mr-face-3)}.mental-rotation_faceSideX__xuDQe,.mental-rotation_faceSideY__WP5ut,.mental-rotation_faceTop___s94g{stroke:var(--mr-edge);stroke-width:1.5;stroke-linejoin:round}.mental-rotation_gap__NMfrc{position:relative;flex:none;width:var(--mr-fig-gap);height:var(--mr-fig-gap)}.mental-rotation_cross__GrLll{position:absolute;left:50%;top:50%;width:24px;height:24px;margin:-12px 0 0 -12px;fill:none;stroke:var(--mr-cross);stroke-width:2;stroke-linecap:round}.mental-rotation_gap__NMfrc[data-cue=off] .mental-rotation_cross__GrLll{visibility:hidden}.mental-rotation_statusRow__SwG44{grid-area:st;min-width:0;min-height:var(--mr-status-h);justify-content:center;margin:0;padding:0 var(--sp-2);font-size:12px;line-height:1.4;text-align:center;white-space:nowrap}.mental-rotation_statusRow__SwG44>*{min-width:0;overflow:hidden;text-overflow:ellipsis}.mental-rotation_answer__EJOFF{width:100%;min-width:0;height:var(--mr-btn-h);min-height:44px;border-radius:var(--r-md);font-size:16px;font-weight:600;transition:border-color var(--mr-ack-ms,80ms) ease-out,border-width var(--mr-ack-ms,80ms) ease-out,background-color var(--mr-ack-ms,80ms) ease-out}.mental-rotation_answer__EJOFF[data-side=same]{grid-area:same}.mental-rotation_answer__EJOFF[data-side=mirror]{grid-area:mirror}.mental-rotation_answer__EJOFF[data-ack=on]{border-width:2px;border-color:var(--pulse);background:var(--pulse-wash)}.mental-rotation_answer__EJOFF[data-verdict=right]{border-width:2px;border-color:var(--ok)}.mental-rotation_answer__EJOFF[data-verdict=wrong]{border-width:2px;border-color:var(--err)}.mental-rotation_answer__EJOFF[data-verdict=right]:before{content:"✓";margin-right:6px;color:var(--ok)}.mental-rotation_answer__EJOFF[data-verdict=wrong]:before{content:"✕";margin-right:6px;color:var(--err)}.mental-rotation_answer__EJOFF[data-truth=on]{border:2px dashed var(--ok)}.mental-rotation_panel__Vgp9U{grid-area:main;align-self:start;justify-self:stretch;display:flex;flex-direction:column;gap:var(--sp-3);width:100%;min-width:0;margin:0}.mental-rotation_card__YIFF7{gap:var(--sp-2);padding:var(--sp-6);border:1px solid var(--line);border-radius:var(--r-lg);background:var(--surface)}.mental-rotation_hair__A8vzh{display:block;height:1px;margin:var(--sp-2) 0;background:var(--line)}.mental-rotation_panelTitle__f_Vsk{margin:0;font-size:20px;font-weight:700;line-height:1.3}.mental-rotation_panelBody__MRmFd{margin:0;font-size:15px;line-height:1.6;color:var(--text)}.mental-rotation_panelNote__813g9{margin:0;font-size:12px;line-height:1.6;color:var(--text-2)}.mental-rotation_cta__KXqaQ{display:inline-flex;align-items:center;justify-content:center;width:100%;min-height:56px;margin-top:var(--sp-2);border-radius:999px}.mental-rotation_lead__08yMi{margin:0;font-size:20px;font-weight:650;line-height:1.35}.mental-rotation_steps__JtWI4{margin:0;padding-left:1.4em;font-size:12px;line-height:20px;color:var(--text-2)}.mental-rotation_exampleRow__Pu2os{display:flex;gap:var(--sp-4);align-items:flex-start}.mental-rotation_example__C99fm{flex:1 1;min-width:0}.mental-rotation_example__C99fm+.mental-rotation_example__C99fm{padding-left:var(--sp-4);border-left:1px solid var(--line)}.mental-rotation_examplePair__LAa2O{display:flex;gap:var(--sp-1)}.mental-rotation_examplePair__LAa2O>.mental-rotation_solid__K31vq{width:var(--mr-example);height:var(--mr-example);border:1px solid var(--mr-frame);border-radius:var(--r-sm)}.mental-rotation_exampleCap__s3IqO{margin:var(--sp-2) 0 0;font-size:12px;line-height:1.4;color:var(--muted)}.mental-rotation_bestLine__yKrW8{margin:0;font:12px/1.5 var(--font-mono);font-feature-settings:"tnum";font-variant-numeric:tabular-nums;color:var(--muted)}.mental-rotation_resultHead__3kcPE{display:flex;align-items:center;gap:var(--sp-2);margin:0;font-size:12px;color:var(--text-2)}.mental-rotation_emblem__YfG_s{width:20px!important;height:20px!important;color:var(--mr-cat)}.mental-rotation_scoreRow__zGGtp{display:flex;align-items:baseline;gap:var(--sp-2);margin:0;font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.mental-rotation_scoreValue__Y3dJp{font:650 var(--fs-score) /1 var(--font-mono);font-feature-settings:"tnum";font-variant-numeric:tabular-nums;letter-spacing:-.04em;color:var(--pulse)}.mental-rotation_scoreUnit__HVpXx{font-size:20px;font-feature-settings:"tnum";font-variant-numeric:tabular-nums;color:var(--text-2)}.mental-rotation_badge__MsHf_{margin-left:auto;align-self:center;padding:3px 10px;border:1px solid var(--pulse);border-radius:999px;font-size:12px;line-height:1.4;color:var(--pulse)}.mental-rotation_scoreHint__CrMyG{font-size:12px;color:var(--muted)}.mental-rotation_median__XJQMW,.mental-rotation_scoreHint__CrMyG{margin:0;font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.mental-rotation_median__XJQMW{display:flex;align-items:baseline;gap:var(--sp-2)}.mental-rotation_medianValue__eEp0G{font:600 20px/1.2 var(--font-mono);font-feature-settings:"tnum";font-variant-numeric:tabular-nums;color:var(--text)}.mental-rotation_medianLabel__2fr4d{font-size:12px;color:var(--muted)}.mental-rotation_reference__ie9Li{margin:0;font-size:12px;color:var(--text-2)}.mental-rotation_lastLine__Upmk5{margin:0;font:12px/1.5 var(--font-mono);font-feature-settings:"tnum";font-variant-numeric:tabular-nums;color:var(--text-2)}.mental-rotation_bars___j49m{display:flex;flex-direction:column;gap:var(--sp-2)}.mental-rotation_barsTitle__S_vk7{margin:0;font-size:12px;color:var(--muted)}.mental-rotation_barRow__mVZ_u{display:grid;grid-template-columns:44px 1fr 88px;align-items:center;grid-gap:var(--sp-2);gap:var(--sp-2);margin:0;min-height:24px}.mental-rotation_barLabel__ng167{font:12px/1 var(--font-mono);font-feature-settings:"tnum";font-variant-numeric:tabular-nums;color:var(--text-2);text-align:right}.mental-rotation_barTrack__BA9s5{display:block;height:10px;border-radius:5px;background:var(--surface-2);overflow:hidden;font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.mental-rotation_barTrack__BA9s5[data-empty=on]{border:1px dashed var(--line-strong);background:none;font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.mental-rotation_barFill__KxPzz{display:block;height:100%;border-radius:5px;background:var(--mr-cat);transition:width .4s ease-out}.mental-rotation_barValue__Am_n4{font:12px/1.3 var(--font-mono);font-feature-settings:"tnum";font-variant-numeric:tabular-nums;color:var(--text-2)}.mental-rotation_band__SnXjb{margin:0;font-size:15px;line-height:1.6;color:var(--text)}.mental-rotation_condition__StV_S{margin:0;min-height:18px;font-size:12px;line-height:1.5;color:var(--text-2)}.mental-rotation_compliance__dshtu{margin:0;font-size:12px;line-height:1.5;color:var(--muted)}.mental-rotation_facts__KUj_B{margin:0;font:12px/1.5 var(--font-mono);font-feature-settings:"tnum";font-variant-numeric:tabular-nums;color:var(--text-2)}@media (max-width:767px){.mental-rotation_root__jfLt0{--mr-fig:248px;--mr-fig-gap:12px;--mr-block:calc(var(--mr-fig) * 2 + var(--mr-fig-gap))}.mental-rotation_figures__N7k_u{flex-direction:column}.mental-rotation_lead__08yMi{font-size:20px}}@media (max-width:389px){.mental-rotation_root__jfLt0{--mr-fig:216px;--mr-fig-gap:8px;--mr-btn-h:52px;--mr-example:60px}.mental-rotation_panel__Vgp9U{gap:var(--sp-2)}.mental-rotation_lead__08yMi{font-size:17px;line-height:1.3}.mental-rotation_steps__JtWI4{line-height:16px}.mental-rotation_cta__KXqaQ{margin-top:0}.mental-rotation_exampleRow__Pu2os{gap:var(--sp-3)}.mental-rotation_example__C99fm+.mental-rotation_example__C99fm{padding-left:var(--sp-3)}.mental-rotation_card__YIFF7{padding:var(--sp-4)}.mental-rotation_scoreValue__Y3dJp{font-size:48px}}.game-stage[data-screen] .mental-rotation_root__jfLt0{height:100%;min-height:0;padding-bottom:0}.game-stage[data-screen] .mental-rotation_hud__KUFFc{padding-right:calc(var(--sp-2) + var(--stage-exit-reserve))}@media (orientation:portrait) and (max-height:700px){.game-stage[data-screen] .mental-rotation_root__jfLt0{--mr-fig:216px;--mr-fig-gap:8px}}@media (orientation:landscape) and (max-height:520px){.game-stage[data-screen] .mental-rotation_root__jfLt0{--mr-fig:208px;--mr-fig-gap:16px;--mr-block:var(--mr-fig);--mr-btn-h:88px;--mr-side:96px;grid-template-columns:var(--mr-side) minmax(0,1fr) var(--mr-side);grid-template-rows:auto 1fr auto;grid-template-areas:"hud  main ." "same main mirror" "same st   mirror";column-gap:0;row-gap:var(--sp-2);padding-right:0}.game-stage[data-screen] .mental-rotation_figures__N7k_u{flex-direction:row}.game-stage[data-screen] .mental-rotation_answer__EJOFF{align-self:center;max-width:88px;justify-self:center;font-size:14px}.game-stage[data-screen] .mental-rotation_hud__KUFFc{flex-direction:column;align-items:flex-start;height:auto;gap:var(--sp-1);padding-right:var(--sp-2)}.game-stage[data-screen] .mental-rotation_hudPhase__SQsu2{margin-left:0;font-size:11px}.game-stage[data-screen] .mental-rotation_root__jfLt0[data-screen-state=handoff],.game-stage[data-screen] .mental-rotation_root__jfLt0[data-screen-state=idle],.game-stage[data-screen] .mental-rotation_root__jfLt0[data-screen-state=result],.game-stage[data-screen] .mental-rotation_root__jfLt0[data-screen-state=voided]{grid-template-columns:var(--mr-side) minmax(0,1fr);grid-template-areas:"hud  main" "hud  main" "hud  st"}.game-stage[data-screen] .mental-rotation_root__jfLt0[data-screen-state=idle] .mental-rotation_exampleRow__Pu2os,.game-stage[data-screen] .mental-rotation_root__jfLt0[data-screen-state=result] .mental-rotation_bars___j49m{gap:var(--sp-2)}.game-stage[data-screen] .mental-rotation_panel__Vgp9U{align-self:stretch;min-height:0;overflow-y:auto;overscroll-behavior:contain}}