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#463a200d;--dim-card-width:163px;--dim-card-height:220px;--dim-card-icon:64px;--dim-card-ring:88px;--dim-card-ring-inset-x:-12px;--dim-card-ring-inset-top:-8px;--dim-card-texture-left:-115.55px;--dim-card-texture-top:91px;--dim-card-texture-box-width:488.673px;--dim-card-texture-box-height:251.45px;--dim-card-texture-width:469.896px;--dim-card-texture-height:134.412px;--dim-mode-width:160px;--dim-mode-height:63px;--dim-mode-icon:28px;--dim-mode-texture-left:-60px;--dim-mode-texture-top:-8px;--dim-mode-texture-width:286.842px;--dim-mode-texture-height:82.05px;--dim-mode-border:1.5px;--dim-home-wordmark-left:31px;--dim-home-modes-top:100px;--dim-home-date-top:205px;--dim-home-grid-top:253px;--dim-home-oku-inset:14px;--dim-home-oku-width:44px;--dim-home-oku-height:78px;--dim-home-bubble-left:52px;--dim-home-bubble-top:20px;--dim-trail-card-width:206px;--dim-trail-card-padding-top:11px;--dim-trail-card-padding-right:14px;--dim-trail-card-padding-left:20px;--dim-trail-copy-gap:3px;--dim-trail-current-width:326px;--dim-trail-current-inset:32px;--dim-trail-current-lead:119px;--dim-trail-current-padding-top:22px;--dim-trail-current-padding-right:22px;--dim-trail-oku-width:58px;--dim-trail-oku-height:100px;--dim-trail-chapter-padding-y:13px;--dim-trail-header-height:131px;--dim-trail-card-shadow:0px 2px 3px 0px #45381c12, 0px 7px 18px 0px #45381c12;--dim-trail-chapter-shadow:0px 2px 3px 0px #45381c12;--dim-trail-badge-shadow:0px 2px 6px 0px #45381c1f;--dim-trail-waypoint-halo:0px 0px 0px 4px #faf7f5;--dim-trail-waypoint-border:1.5px;--dim-trail-route-stroke:3.5px;--dim-trail-route-dashes:2 11;--dim-trail-route-glow-stroke:7px;--dim-trail-tag-radius:7px;--dim-trail-tag-inset-y:-15px;--dim-trail-tag-padding-x:11px;--dim-trail-tag-padding-y:5px;--dim-trail-homework-width:160px;--dim-trail-control-border:1.5px;--dim-trail-done-gap:17px;--dim-trail-slot-right-inset:35px;--dim-trail-challenge-width:82px;--dim-trail-challenge-height:90px;--dim-trail-boss-width:156px;--dim-trail-boss-height:90px;--dim-trail-boss-radius:14px;--dim-trail-boss-fill:radial-gradient(ellipse 50% 47.619% at 50% 47.619%, #fffaf0 0%, #fff0bf 55%, #ffe08a 100%);--dim-trail-boss-ready-border:2.5px;--dim-trail-boss-medal-size:52px;--dim-trail-boss-shadow:0px 8px 18px #9c70002e;--dim-trail-ribbon-fill:linear-gradient(180deg, #7a2240 0%, #5a1830 100%);--dim-trail-ribbon-radius:3px;--dim-trail-ribbon-padding-x:14px;--dim-trail-ribbon-padding-y:4px;--dim-trail-mystery-width:104px;--dim-trail-mystery-height:128px;--dim-trail-caption-radius:10px;--dim-trail-caption-gap:3px;--dim-trail-caption-padding-x:12px;--dim-trail-caption-padding-y:5px;--dim-trail-gift-size:80px;--dim-trail-gift-padding-x:9px;--dim-trail-gift-padding-y:3px;--dim-home-desktop-sidebar-small:184px;--dim-home-desktop-sidebar-medium:208px;--dim-home-desktop-sidebar-width:228px;--dim-home-desktop-header-height:72px;--dim-home-desktop-header-padding:32px;--dim-home-desktop-map-width:480px;--dim-home-desktop-rail-width:330px;--dim-home-desktop-rail-padding:24px;--dim-home-desktop-rail-gap:40px;--dim-home-desktop-card-padding:22px;--dim-home-desktop-card-gap:18px;--dim-home-desktop-card-radius:16px;--frame-width:390px;--frame-height:844px;--frame-radius:var(--oku-radius-frame);--oku-font-family-display:"Bricolage Grotesque Variable", system-ui, sans-serif;--oku-font-family-interface:"Nunito Variable", system-ui, sans-serif;--oku-font-family-numeric:"Varela Round", system-ui, sans-serif;--oku-font-family-handwriting:"Kalam", "Nunito Variable", cursive;--oku-font-family-handwriting-accent:"Caveat", "Kalam", cursive;--oku-font-size-1:11px;--oku-font-size-2:12px;--oku-font-size-3:14px;--oku-font-size-4:16px;--oku-font-size-5:18px;--oku-font-size-6:20px;--oku-font-size-7:36px;--oku-font-size-8:160px;--oku-font-size-9:48px;--oku-font-size-14:24px;--oku-font-size-16:32px;--oku-font-weight-regular:400;--oku-font-weight-medium:500;--oku-font-weight-semi-bold:600;--oku-font-weight-bold:700;--oku-font-weight-extra-bold:800;--oku-letter-spacing-tight:-.5px;--oku-letter-spacing-normal:0px;--oku-letter-spacing-wide:.5px;--oku-letter-spacing-wider:1px;--scene-hatching:linear-gradient(180deg, #e9d9da 0%, #f9e8db 33.975%, #f9eedb 63.394%, #fdeadf 75.592%, #f9eedb 100%);--scene-onboarding:linear-gradient(180deg, #fdf9f3 0%, #fdf6e9 33.975%, #fdf6e9 63.394%, #fdeee9 75.592%, #fdeee9 100%);--scene-home:linear-gradient(180deg, #fdf5e9 0%, #fdf5e9 24.408%, #fdf1e9 36.606%, #fdf1e9 66.025%, #fdeeee 100%);--scene-lesson:linear-gradient(180deg, #f5e1e8 0%, #fdf6e9 33.98%, #fdf6e9 100%);--scene-trail:linear-gradient(180deg, #fdf6ec 0%, #fcefe7 55%, #fae3e0 100%)}html,body{height:100%}body{background:var(--oku-backgrounds-app-canvas);color:var(--oku-text-accessible-primary);font-family:var(--oku-font-family-interface);font-optical-sizing:auto;-webkit-font-smoothing:antialiased}[data-ground]{--dim-ground-hill-span:calc(100% - 2 * var(--dim-ground-hill-inset-x));--dim-ground-texture-overhang:-38.72%;--dim-ground-texture-span:185.13%}@keyframes bubble-in{0%{opacity:0}}.phone-stage{background:var(--oku-backgrounds-surface-sunken);place-items:center;min-height:100dvh;display:grid}.phone-frame{width:var(--frame-width);height:min(var(--frame-height), 100dvh);border-radius:var(--frame-radius);background-color:var(--oku-backgrounds-app-canvas);position:relative;overflow:hidden;box-shadow:0 24px 64px -24px #2a230e40}.phone-stage:has(.scene-lesson){display:block}.phone-frame:has(.scene-lesson){width:100%;height:100dvh;box-shadow:none;border-radius:0}.phone-frame:has([data-scene=paper]){width:100%;height:100dvh;box-shadow:none;background-color:var(--oku-backgrounds-surface-sunken);border-radius:0}.phone-surface{overscroll-behavior:contain;padding-top:env(safe-area-inset-top);padding-bottom:env(safe-area-inset-bottom);position:absolute;inset:0;overflow-y:auto}@media not all and (min-width:48rem){.phone-stage{background:0 0;min-height:0;display:block}:is(.phone-frame,.phone-frame:has(.scene-lesson)){width:100%;height:100dvh;box-shadow:none;border-radius:0}}@media (min-width:48rem){.phone-stage:has(.scene-onboarding){display:block}.phone-frame[data-scene=hatching]{width:100%;height:100dvh;box-shadow:none;border-radius:0}.phone-frame:has(.scene-onboarding){width:100%;height:100dvh;box-shadow:none;border-radius:0}.phone-frame[data-scene=hatching] .scene-hatching{min-height:100dvh}.phone-frame:has(.scene-lesson){background-image:var(--scene-lesson)}}[data-activity-handoff=loading] [data-oku-dock],[data-activity-handoff=travelling] [data-oku-dock],[data-home-arrival=flying] [data-trail-oku]{visibility:hidden}.phone-stage:has(.scene-board){display:block}.phone-frame:has(.scene-board){width:100%;height:100dvh;box-shadow:none;border-radius:0}@keyframes home-arrive{0%{opacity:0}to{opacity:1}}@keyframes trail-copy-in{0%{opacity:0;transform:translateY(calc(var(--dim-trail-copy-gap) * 3))}to{opacity:1;transform:translateY(0)}}@keyframes trail-loading{0%,to{opacity:.45}50%{opacity:.85}}@keyframes topic-sheet-in{0%{opacity:0;transform:translateY(100%)}to{opacity:1;transform:translateY(0)}}@keyframes topic-sheet-out{0%{opacity:1;transform:translateY(0)}to{opacity:0;transform:translateY(100%)}}@keyframes backdrop-out{to{opacity:0}}@media (prefers-reduced-motion:no-preference){[data-home-enter=true]{animation:.6s ease-out home-arrive}[data-home-enter=true] [data-trail-map] [data-trail-topic]:not([data-trail-seen=true]) [data-trail-copy]{opacity:0;transform:translateY(calc(var(--dim-trail-copy-gap) * 3))}[data-home-enter=true] [data-trail-map] [data-trail-topic][data-trail-seen=true] [data-trail-copy]{animation:.7s cubic-bezier(.22,1,.36,1) backwards trail-copy-in}[data-home-view]:not([hidden]){animation:.28s ease-out home-arrive}[data-trail-topic]>[data-trail-copy]{transition:transform .12s ease-out}[data-trail-topic]:active:not(:disabled)>[data-trail-copy]{transform:scale(.98)}}@media (prefers-reduced-motion:reduce){.home-press{transition:none}.home-press:active:not(:disabled){transform:none}.trail-loading-pulse,.home-sheet-motion[data-state],.home-backdrop-motion[data-state]{animation:none}}@keyframes trail-wait-sweep{0%{opacity:0;transform:scaleY(0)}12%{opacity:1}75%,90%{opacity:1;transform:scaleY(1)}to{opacity:0;transform:scaleY(1)}}@keyframes trail-wait-ring{0%,to{opacity:.4;transform:scale(.75)}55%{opacity:.9;transform:scale(1.4)}}@media (prefers-reduced-motion:no-preference){.trail-wait-reveal{animation:2s ease-in-out infinite trail-wait-sweep}.trail-wait-ring{animation:2s ease-in-out infinite trail-wait-ring}.trail-wait-beacon{animation:2s ease-in-out infinite trail-loading}}@keyframes trail-wiggle{0%,to{transform:rotate(0)scale(1)}20%{transform:rotate(-7deg)scale(1.04)}40%{transform:rotate(6deg)scale(1.04)}60%{transform:rotate(-4deg)scale(1.02)}80%{transform:rotate(2deg)scale(1.01)}}@keyframes gift-wiggle-rest{0%,30%,to{transform:rotate(0)scale(1)}6%{transform:rotate(-9deg)scale(1.08)}12%{transform:rotate(8deg)scale(1.08)}18%{transform:rotate(-5deg)scale(1.04)}24%{transform:rotate(3deg)scale(1.02)}}@keyframes gift-nudge{0%,84%,to{transform:rotate(0)translateY(0)}88%{transform:rotate(-6deg)translateY(-3px)}92%{transform:rotate(6deg)translateY(-3px)}96%{transform:rotate(-3deg)translateY(0)}}@keyframes gift-shake{0%,to{transform:rotate(0)scale(1)}15%,45%,75%{transform:rotate(-10deg)scale(1.06)}30%,60%,90%{transform:rotate(10deg)scale(1.1)}}@keyframes gift-burst{0%{opacity:1;transform:scale(1.1)}to{opacity:0;transform:scale(2.2)}}@keyframes gift-spark{0%{opacity:1;transform:rotate(var(--spark-turn)) translateY(0) scale(.4)}to{opacity:0;transform:rotate(var(--spark-turn)) translateY(-110px) scale(1)}}@keyframes gift-reveal{0%{opacity:0;transform:scale(.6)}70%{opacity:1;transform:scale(1.08)}to{opacity:1;transform:scale(1)}}@media (prefers-reduced-motion:no-preference){@media (hover:hover){[data-trail-wiggle]:hover img{animation:.6s ease-in-out trail-wiggle}}[data-trail-wiggle]:active img{animation:.6s ease-in-out trail-wiggle}[data-trail-wiggle][data-state=ready] img{animation:3.2s ease-in-out infinite gift-nudge}[data-gift-timer][data-state=locked] img{animation:2.4s ease-in-out infinite gift-wiggle-rest}[data-gift-timer][data-state=ready] img{animation:1s ease-in-out infinite trail-wiggle}}[data-home-sidebar],[data-home-desktop-header],[data-home-right-rail]{display:none}@media (min-width:50rem){.phone-frame:has([data-home-layout]){width:100%;height:100dvh;box-shadow:none;border-radius:0}[data-home-layout]{grid-template-columns:var(--dim-home-desktop-sidebar-small) minmax(0, 1fr);grid-template-rows:var(--dim-home-desktop-header-height) 1fr auto;min-height:100dvh;padding-top:0;display:grid}[data-home-sidebar]{z-index:20;grid-area:1/1/-1;align-self:start;height:100dvh;display:flex;position:sticky;top:0}[data-home-desktop-header]{height:var(--dim-home-desktop-header-height);z-index:20;grid-area:1/2;display:flex;position:sticky;top:0}[data-home-mobile-top],[data-home-mobile-tabs]{display:none}[data-home-body]{grid-area:2/2;min-width:0}[data-home-views]{min-width:0;padding-top:calc(var(--spacing) * 7)}[data-home-trail-view],[data-home-topics-view]{width:var(--dim-home-desktop-map-width);max-width:100%;margin-inline:auto;padding-inline:0}[data-home-trail-view] [data-trail-map]>section>header{margin-inline:calc(var(--spacing) * 3)}[data-home-topics-view]{padding-inline:calc(var(--spacing) * 3)}[data-home-mobile-dock]{grid-area:3/2}[data-home-opening]{min-height:calc(100dvh - var(--dim-home-desktop-header-height));grid-area:2/2}}@media (min-width:62.5rem){[data-home-layout]{grid-template-columns:var(--dim-home-desktop-sidebar-medium) minmax(0, 1fr)}}@media (min-width:50rem) and (not (min-width:62.5rem)){[data-home-sidebar] nav button{padding-inline:calc(var(--spacing) * 2)}}@media (min-width:75rem){[data-home-layout]{grid-template-columns:var(--dim-home-desktop-sidebar-width) minmax(0, 1fr)}[data-home-body]{grid-template-columns:minmax(0, 1fr) var(--dim-home-desktop-rail-width);display:grid}[data-home-views]{padding-top:calc(var(--spacing) * 7);border-right:var(--dim-trail-waypoint-border) solid var(--oku-borders-subtle)}[data-home-right-rail]{top:var(--dim-home-desktop-header-height);align-self:start;display:flex;position:sticky}[data-home-mobile-dock]{display:none}}[data-home-page],[data-home-page-body]{display:contents}@media (min-width:50rem){[data-home-page]{height:100dvh;min-height:0;display:grid}[data-home-page-body]{width:calc(var(--dim-home-desktop-map-width) * 1.5);max-width:100%;height:calc(100dvh - var(--dim-home-desktop-header-height));grid-area:2/2/-1;min-height:0;margin-inline:auto;display:block;overflow-y:auto}[data-home-page-body] [data-page-back]{visibility:hidden}[data-home-page-body]>*{background:0 0}#sheet-root [role=dialog]{width:min(calc(var(--dim-home-desktop-map-width) * 1.15), calc(100% - 48px));border:var(--dim-trail-waypoint-border) solid var(--oku-borders-subtle);border-radius:var(--dim-home-desktop-card-radius);max-height:85dvh;margin:0;inset:50% auto auto 50%;translate:-50% -50%}#sheet-root [data-sheet-handle]{display:none}}@media (min-width:50rem) and (prefers-reduced-motion:no-preference){#sheet-root [role=dialog][data-state=open]{animation:.32s cubic-bezier(.22,1,.36,1) sheet-pop-in}#sheet-root [role=dialog][data-state=closed]{animation:.2s ease-in sheet-pop-out}}@keyframes sheet-pop-in{0%{opacity:0;transform:translateY(16px)scale(.98)}}@keyframes sheet-pop-out{to{opacity:0;transform:translateY(12px)scale(.98)}}:root{--onboarding-phone-height:812px;--onboarding-ground-desktop-height:300.15px;--onboarding-ground-desktop-hill-top:61.78px;--onboarding-ground-desktop-hill-inset-x:-22.15px;--onboarding-ground-desktop-hill-height:237.97px;--onboarding-ground-desktop-texture-bottom:-66.7px;--onboarding-peek-oku-overlap:0px;--onboarding-peek-oku-overlap-tiles:0px;--onboarding-free-text-short:56px}@media (min-width:48rem){.scene-onboarding{padding-top:max(var(--oku-spacing-frame-edge), calc(100dvh - var(--onboarding-phone-height)))}.scene-onboarding[data-memory]{padding-top:var(--oku-spacing-frame-edge)}[data-ground]{--dim-ground-height:var(--onboarding-ground-desktop-height);--dim-ground-hill-top:var(--onboarding-ground-desktop-hill-top);--dim-ground-hill-inset-x:var(--onboarding-ground-desktop-hill-inset-x);--dim-ground-hill-height:var(--onboarding-ground-desktop-hill-height);--dim-ground-texture-bottom:var(--onboarding-ground-desktop-texture-bottom)}}@keyframes onboarding-appear{0%{opacity:0}to{opacity:1}}@keyframes hatch-shell-nudge{0%,78%,to{transform:translate(0)}82%{transform:translate(4%)}86%{transform:translate(-4%)}90%{transform:translate(0)}}@keyframes hatch-call-bob{0%,to{transform:translate(-50%)}50%{transform:translate(-50%,-6%)}}@keyframes oku-interest-rise{0%{transform:translateY(50%)}10%,to{transform:translateY(0)}}@media (prefers-reduced-motion:reduce){.hatch-shell-nudge,.onboarding-appear,.oku-interest-rise{animation:none}}@media 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