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.place-btn{flex:1;font-size:14px}.blocks-board-stage{grid-area:board;place-items:start center;min-width:0;min-height:0;display:grid;container-type:size}.blocks-player .cube-board-frame{border:1px solid var(--momentum-accent);background:var(--momentum-board,var(--board));border-radius:12px;grid-area:auto;width:min(100cqw,100cqh);margin:0;padding:7px;box-shadow:0 2px #8394bc}.blocks-player .cube-cell{box-shadow:none;border-radius:4px}.blocks-player .cube-cell.filled,.blocks-player .cube-cell.ghost{border-color:#25314f80;box-shadow:inset 0 -3px #18235024,inset 0 2px #fff5}.blocks-player .cube-cell.filled>span,.blocks-player .cube-cell.ghost>span{display:none}.blocks-player .board-end{background:var(--surface);border-radius:10px;padding:12px;overflow:auto}.blocks-player .board-end>div{margin:auto}.blocks-player .board-end h2{margin:0 0 8px;font-size:20px}.blocks-player .board-end p{margin:0 0 8px;font-size:14px;line-height:1.4}.blocks-player .board-end button{min-height:44px;padding:8px 10px;font-size:14px}.blocks-player .play-message{height:auto;min-height:52px;color:var(--fg);background:var(--momentum-wash);border:1px solid #cfdbf5;border-radius:10px;margin:0;padding:4px 10px;font-size:16px;font-weight:650;line-height:1.3;position:relative}.blocks-feedback-text{z-index:1;position:relative}.blocks-feedback-shine{pointer-events:none;border:2px solid var(--momentum-accent);border-radius:inherit;opacity:0;position:absolute;top:0;bottom:0;left:0;right:0}@media (prefers-reduced-motion:no-preference){.blocks-player:not(.still) .blocks-feedback-shine{animation:.9s ease-out both feedback-highlight}@keyframes feedback-highlight{0%{opacity:0;box-shadow:0 0 #347aca00}22%{opacity:.7;box-shadow:0 0 0 2px #347aca18}to{opacity:0;box-shadow:0 0 0 5px #347aca00}}}.blocks-controls{background:var(--bg);z-index:3;grid-area:controls;position:sticky;bottom:0}.blocks-player .cube-tray{grid-area:auto;gap:8px;height:80px;min-height:80px;padding:3px 0}.blocks-player .piece-slot{background:var(--surface);border:1px solid var(--line);border-radius:10px;height:74px}.blocks-player .piece-slot:disabled{background:0 0;border-style:dashed}.blocks-player .piece-slot.selected{box-shadow:none;background:#eef2ff;border:2px solid #345ce5}.blocks-player .piece-slot svg{filter:none;max-width:88%;max-height:66px}.blocks-player .floating-cubes{filter:none}.blocks-player .cube-tools{border:0;grid-area:auto;gap:6px;padding:4px 0}.blocks-player .cube-tools>button{letter-spacing:0;width:auto;min-height:48px;color:var(--fg);border:1px solid var(--line);background:var(--surface);border-radius:10px;flex:1;gap:2px;padding:4px;font-size:14px}.blocks-player .cube-tools>button:disabled{opacity:.5}.blocks-player .cube-tools svg{stroke-width:2px}.blocks-support{justify-content:space-between;align-items:center;gap:6px;min-height:44px;display:flex}.blocks-support span{color:var(--sub);font-size:12px;line-height:1.3}.blocks-support button{min-height:44px;color:var(--green);text-underline-offset:3px;background:0 0;border:0;padding:4px 0 4px 8px;font-size:14px;font-weight:650;text-decoration:underline}.blocks-player.cube-night{--bg:#182036;--surface:#222e47;--board:#2c3a57;--cell:#1e2940;--cell-edge:#7287ab;--fg:#f5f7ff;--sub:#bfcae0;--line:#4d6085;--green:#74e0d2;--landing:#f5f7ff}.blocks-player.cube-night .play-message{background:var(--momentum-wash);border-color:#526a95}.blocks-player.cube-night .piece-slot.selected{background:#314776;border-color:#92afff}@media (max-width:360px){.blocks-player .cube-shell{padding-left:10px;padding-right:10px}.blocks-player .cube-brand{font-size:17px}.sound-toggle{padding:0 7px;font-size:13px}}@media (min-width:640px) and (max-height:600px){.blocks-player .cube-shell{grid-template:"board header"44px"board instruction"44px"board message"minmax(118px,1fr)"board controls"/minmax(0,1fr) minmax(300px,1fr);gap:4px 20px;width:min(100%,920px);min-height:350px;padding:8px 16px}.blocks-player .play-message{align-self:center}.blocks-player .cube-tray{height:72px;min-height:72px}.blocks-player .piece-slot{height:66px}}@media (max-width:639px) and (max-height:580px){.blocks-player .cube-shell{min-height:460px;padding-top:max(4px, var(--account-top-inset,env(safe-area-inset-top)));grid-template-rows:44px 40px 98px minmax(120px,1fr) auto;gap:3px}.blocks-player .play-message{min-height:52px;font-size:16px}.blocks-player .cube-tray{height:64px;min-height:64px}.blocks-player .piece-slot{height:58px}.blocks-player .piece-slot svg{max-height:52px}.blocks-player .cube-tools>button{min-height:44px}}@media (min-width:600px) and (min-height:700px){.blocks-player .cube-shell{width:min(100%,560px)}}@media (max-width:639px) and (max-height:459px){.blocks-controls{position:static}}.blocks-feedback-wrap{grid-area:message;min-width:0}.blocks-player .play-message{flex-direction:column;justify-content:center;gap:3px;height:74px;min-height:74px;padding:6px 10px;font-size:16px;display:flex}.blocks-points-detail{color:var(--sub);font-size:13px;font-weight:600}.blocks-momentum{width:100%;min-height:28px;color:var(--sub);font-variant-numeric:tabular-nums;background:0 0;border:0;justify-content:space-between;align-items:center;padding:0 4px;font-size:13px;display:flex}.blocks-momentum>span:first-child{color:var(--fg);font-size:16px;font-weight:750}.blocks-momentum>span:first-child>span{font-size:13px;font-weight:500}.blocks-player .floating-cubes{will-change:transform}.blocks-player.is-dragging .cube-cell.ghost{background:var(--cell);box-shadow:inset 0 0 0 2px var(--tile)}.blocks-player .clearing-cube{pointer-events:none}@media (prefers-reduced-motion:no-preference){.blocks-player:not(.still) .cube-board-frame,.blocks-player:not(.still) .play-message{transition:background-color .9s,border-color .9s}.blocks-player:not(.still) .cube-cell.just-placed{animation:.18s ease-out both block-settle}.blocks-player:not(.still) .clearing-cube{animation:smooth-clear .34s cubic-bezier(.2, .6, .3, 1) var(--delay) both}@keyframes block-settle{0%{transform:scale(.94)}60%{transform:scale(1.025)}to{transform:scale(1)}}@keyframes smooth-clear{0%{opacity:1;transform:scale(1)}25%{opacity:1;transform:scale(1.02)}to{opacity:0;transform:scale(.88)}}}@media (min-width:640px) and (max-height:600px){.blocks-player .blocks-board-stage{place-items:center}.blocks-feedback-wrap{align-self:center}}@media (max-width:639px) and (max-height:580px){.blocks-player .play-message{height:70px;min-height:70px;padding:3px 8px}}@media (min-width:640px) and (max-height:600px){.blocks-player .cube-shell{grid-template-rows:44px 54px minmax(0,1fr);grid-template-areas:"message header""message instruction""board controls";min-height:350px}.blocks-player .blocks-controls{align-self:end;position:static}.blocks-player .blocks-feedback-wrap{align-self:start}}.blocks-player .blocks-board-stage{min-height:232px}.blocks-player .cube-board-frame{min-width:232px}@media (max-height:620px){.blocks-player .cube-shell{height:auto;min-height:calc(100dvh - var(--account-banner-height,0px))}}.core-app{--bg:var(--paper);--fg:var(--ink);--sub:var(--muted);--line:var(--border);--surface:#fff;--green:var(--brand-teal);--core-cobalt:var(--brand-blue);--core-tint:var(--brand-blue-tint);--button-text:#fff;background:var(--bg);font-synthesis:none;padding-bottom:calc(78px + env(safe-area-inset-bottom))}.core-app .core-header{margin-bottom:22px}.core-app .core-welcome h1{letter-spacing:-.035em;font-size:clamp(30px,7.6vw,38px);font-weight:800}.core-app .core-welcome p{font-size:16px;line-height:1.5}.core-app .core-eyebrow{color:var(--sub);font-size:12px;font-weight:700}.core-app .core-brand img{border-radius:8px}.core-app .play-path{background:var(--brand-blue);color:#fff;border:1px solid var(--action-edge);border-radius:var(--radius-card);grid-template-columns:minmax(0,1fr) 76px;padding:20px;box-shadow:0 3px #213c98}.core-app .play-path .core-eyebrow,.core-app .play-path .path-copy>span:not(.core-eyebrow){color:#fff}.core-app .play-path .path-copy>strong{font-size:26px;font-weight:800}.core-app .play-path .path-art{width:76px;height:76px;transform:none}.path-art>svg{width:100%;height:100%;display:block}.core-app .path-card:not(.play-path),.core-app .game-card{border-color:var(--line);background:var(--surface);box-shadow:0 2px 0 var(--line);border-radius:14px}.core-app .game-card{align-items:center;gap:18px;padding:18px}.cw-game-preview{flex:0 0 100px}.cw-game-preview svg{width:100%;display:block}.core-app .game-card h2{margin:5px 0 8px;font-size:22px;font-weight:800;line-height:1.2}.core-app .game-card p{margin-bottom:10px;line-height:1.45}.core-app .game-action{color:var(--green);font-size:15px;font-weight:700}.home-more{gap:8px;margin:20px 0;display:grid}.home-more .finish-option{margin:0;font-size:16px}.core-app .activity-intro h1,.core-app .cw-activity h1{letter-spacing:-.025em;font-weight:800}.core-app .activity-header{border-bottom:1px solid var(--line);margin-bottom:16px;padding-bottom:8px}.core-app .activity-header strong{font-size:16px;font-weight:700}.core-app .activity-header button{min-width:44px;min-height:44px;font-size:15px}.core-app .feature-status{border:1px solid var(--line);border-left:4px solid var(--core-cobalt);background:var(--core-tint);color:var(--fg);border-radius:8px}.core-app .find-board,.core-app .untangle-board,.core-app .pattern-board{background:var(--surface);border:1px solid var(--line);box-shadow:0 2px 0 var(--line);border-radius:12px}.core-app .find-number{font-size:12px;font-weight:700}.core-app .find-shape.color-0{fill:#315ce5}.core-app .find-shape.color-1{fill:#008d83}.core-app .find-shape.color-2{fill:#d77922}.core-app .find-shape.color-3{fill:#7947cf}.core-app .find-target>svg{fill:var(--core-cobalt)}.core-app .find-shape.marked{border-color:var(--green);background:var(--core-tint)}.core-app .untangle-board .clear-line{stroke:var(--green)}.core-app .untangle-board .crossed{stroke:#b46323}.core-app.cube-night .untangle-board .crossed{stroke:#ffbc73}.core-app .pattern-board button,.core-app .pattern-target{border-radius:5px}.core-app .cw-summary,.core-app .cw-explanation,.core-app .cw-pair,.core-app .cw-choice,.core-app .cw-statement{color:var(--fg)}.core-app .cw-explanation,.core-app .cw-summary,.core-app .cw-pair{background:var(--core-tint);border-color:var(--line);border-radius:10px}.core-app .journal-primary,.core-app .activity-new{border-radius:10px;font-weight:700}.core-app .journal-primary{color:var(--button-text)}.core-app .journal-start,.core-app .journal-entry,.core-app .cw-activity textarea{border-radius:12px}.core-app input,.core-app select,.core-app textarea{font-size:16px}.core-app .activity-save,.core-app .quiet-permission{font-size:14px}.cw-utility-bar{z-index:40;border-top:1px solid var(--line);padding:6px 16px max(6px, env(safe-area-inset-bottom));background:var(--surface);justify-content:center;gap:8px;display:flex;position:fixed;bottom:0;left:0;right:0}.cw-utility-bar button{max-width:240px;min-height:48px;color:var(--fg);background:0 0;border:0;border-radius:8px;flex:1;justify-content:center;align-items:center;gap:8px;font-size:14px;font-weight:700;display:inline-flex}.cw-utility-bar button:hover{background:var(--core-tint)}.comfort-dialog{color:var(--fg);background:var(--surface)}.comfort-dialog .setting-row{min-height:54px}.comfort-dialog .dialog-inner>p{font-size:16px}.core-app .cube-dialog{border:1px solid var(--line);background:var(--surface);color:var(--fg);border-radius:16px}.core-app .cube-dialog::backdrop{-webkit-backdrop-filter:none;backdrop-filter:none;background:#111c36a8}.core-app :-webkit-any(button,a,input,textarea,select,summary):focus-visible{outline:3px solid var(--core-cobalt);outline-offset:3px}.core-app :is(button,a,input,textarea,select,summary):focus-visible{outline:3px solid var(--core-cobalt);outline-offset:3px}.core-app .feature-status:focus,.core-app h1:focus{outline:none}.core-app.cube-night .cw-choices button{background:var(--surface);color:var(--fg);border-color:var(--line)}.core-app.cube-night .cw-choices button[aria-pressed=true]{background:var(--core-tint);border-color:var(--green)}.core-app.cube-night .thread-target{background:var(--surface);color:var(--green)}.core-app.cube-night .cw-summary p,.core-app.cube-night .cw-explanation p{color:var(--fg)}@media (max-width:380px){.core-app .game-card{gap:12px;padding:15px}.cw-game-preview{flex-basis:76px}.core-app .game-card h2{font-size:20px}.core-app .play-path{padding:17px}}.core-app.cube-night .find-shape.color-0{fill:#83a3ff}.core-app.cube-night .find-shape.color-1{fill:#54d1bb}.core-app.cube-night .find-shape.color-2{fill:#ffb66a}.core-app.cube-night .find-shape.color-3{fill:#b997ff}.core-app .untangle-node span{box-shadow:none;border:2px solid #2447b6;font-size:14px;font-weight:700}.core-app .untangle-node.node-selected span{box-shadow:0 0 0 3px var(--surface),0 0 0 5px var(--core-cobalt)}.journal-search{gap:8px;margin:16px 0;font-size:15px;font-weight:700;display:grid}.journal-search input{border:1px solid var(--line);width:100%;min-height:48px;color:var(--fg);background:var(--surface);border-radius:8px;padding:10px 12px}.core-app .journal-start{background:var(--core-tint);border-color:var(--line)}.core-app .cw-scene{box-shadow:none;border-radius:12px}.core-app .cw-choices button{border-radius:10px}.core-app>.activity-shell{padding-bottom:calc(88px + env(safe-area-inset-bottom))}.core-app .feature-game .activity-header{margin-bottom:6px;padding-bottom:4px}.core-app .feature-game .activity-intro>.core-eyebrow{display:none}.core-app .feature-game .activity-intro h1{margin:6px 0;font-size:24px;line-height:1.15}.core-app .feature-game .activity-intro p{margin:4px 0 8px;line-height:1.35}.core-app .feature-game .feature-status{margin:7px 0;padding:7px 10px;font-size:15px!important}.core-app .thread-game .untangle-board{width:min(100%,max(220px,100svh - 320px));margin-inline-start:auto;margin-inline-end:auto}.core-app .thread-game .untangle-status{margin:7px 0}.core-app .feature-toolbar{margin:8px 0}.core-app .find-target{margin:6px 0}.core-app .find-board{gap:4px;width:min(100%,max(220px,100svh - 350px));margin-inline-start:auto;margin-inline-end:auto;padding:5px}.thread-access-controls{margin:10px 0}.thread-access-controls summary{cursor:pointer;align-items:center;min-height:44px;display:flex}.thread-access-controls .cw-actions{grid-template-columns:repeat(2,1fr);display:grid}.thread-access-controls select,.thread-access-controls button{min-height:44px}.sr-only{clip-path:inset(50%);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.core-app .activity-header{gap:6px}.core-app .activity-header button{flex-shrink:0;padding:0 7px}.core-app .activity-header .activity-switch{text-underline-offset:3px;text-decoration:underline}.play-preference{border:1px solid var(--line);border-radius:12px;min-width:0;margin:20px 0;padding:16px}.play-preference legend{padding:0 6px;font-size:18px;font-weight:750}.play-preference p{margin:0 0 12px;line-height:1.5}.play-preference .cw-chips{gap:8px;margin-bottom:12px;display:grid}.play-preference .cw-chips button{border:1px solid var(--line);background:var(--surface);min-height:48px;color:var(--fg);text-align:left;border-radius:8px;padding:10px 12px;font-size:16px}.play-preference .cw-chips button[aria-pressed=true]{border:2px solid var(--green);background:var(--board);padding:9px 11px;font-weight:750}.play-preference .panel-note{margin:0}.blocks-mode{min-height:44px;color:var(--green);text-underline-offset:3px;background:0 0;border:0;padding:4px 0 4px 8px;font-size:13px;font-weight:700;text-decoration:underline}.blocks-player .cube-shell{grid-template-rows:44px 44px 118px minmax(160px,1fr) auto}.blocks-support>span{max-width:78px}.blocks-support>button{font-size:13px}.challenge-complete{gap:12px;display:grid}.challenge-mark{background:var(--board);width:60px;height:60px;color:var(--green);border-radius:16px;place-items:center;margin-top:12px;font-size:32px;display:grid}.cw-next-step{border:1px solid var(--line);background:var(--surface);border-radius:16px;margin:20px 0;padding:20px}.cw-next-step p{white-space:pre-wrap;overflow-wrap:anywhere;font-weight:650}.cw-next-step small{color:var(--sub);font-size:14px;display:block}.cw-favorite{text-align:left;background:var(--surface);width:100%;min-height:60px;color:var(--fg);border:1px solid var(--line);border-radius:12px;justify-content:space-between;align-items:center;gap:10px;margin:16px 0;padding:12px 16px;font-size:17px;display:flex}.cw-favorite small{color:var(--green);font-size:14px}.journey-list{gap:8px;margin:16px 0 24px;display:grid}.journey-list>div{grid-template-columns:minmax(0,1fr) 70px;gap:8px;display:grid}.journey-list button{border:1px solid var(--line);background:var(--surface);min-height:48px;color:var(--fg);text-align:left;border-radius:8px;padding:10px 12px;font-size:16px}.journey-list button:last-child{text-align:center;color:var(--green)}.journey-list button[aria-pressed=true]{border:2px solid var(--green);background:var(--board);font-weight:750}@media (min-width:640px) and (max-height:600px){.blocks-player .cube-shell{grid-template-rows:44px 54px minmax(0,1fr)}}.core-app .journey-home .core-header{margin-bottom:12px}.core-app .journey-home .core-welcome{margin:0 0 16px}.core-app .journey-home .core-welcome h1{margin:8px 0 12px;font-size:clamp(28px,7.1vw,34px)}.core-app .journey-home .play-path{grid-template-columns:minmax(0,1fr) 60px;gap:6px 12px;margin-bottom:8px;padding:16px}.core-app .journey-home .play-path .path-art{width:60px;height:60px}.core-app .journey-home .play-path .path-copy>strong{font-size:24px}.core-app .journey-home .cw-start-note{margin:8px 0}.core-app .journey-home .cw-secondary{margin-top:8px;margin-bottom:8px;padding:14px}.core-app .journey-home .cw-browse{min-height:44px;padding:8px}@media (max-width:639px) and (max-height:680px){.blocks-player .cube-shell{grid-template-rows:44px 40px 84px minmax(190px,1fr) auto}.blocks-player .play-message{gap:0;height:40px;min-height:40px;padding:3px 8px;font-size:14px}.blocks-player .blocks-points-detail{display:none}.blocks-player .blocks-instruction p{font-size:13px}}.journal-brand .activity-switch{min-height:44px;color:var(--green);text-underline-offset:3px;background:0 0;border:0;margin-left:auto;padding:8px;font-size:15px;font-weight:650;text-decoration:underline}.journey-quick{gap:10px;margin:16px 0;display:grid}.journey-quick button{text-align:left;border:1px solid var(--line);background:var(--surface);min-height:64px;color:var(--fg);border-radius:12px;gap:4px;padding:14px;display:grid}.journey-quick strong{font-size:18px}.journey-quick span,.journey-list small{color:var(--sub);font-size:15px;line-height:1.4}.journey-list strong,.journey-list small{display:block}.journey-list small{margin-top:4px}.journey-catalog summary{cursor:pointer;min-height:44px;color:var(--green);padding:12px 0;font-weight:700}.journey-catalog summary:focus-visible{outline:3px solid var(--green);outline-offset:3px}@media (max-width:639px) and (max-height:680px){.core-app .journey-home{padding:8px 16px 26px}.core-app .journey-home .core-header{margin-bottom:4px}.core-app .journey-home .cw-welcome>.core-eyebrow{display:none}.core-app .journey-home .core-welcome{margin:0 0 10px}.core-app .journey-home .core-welcome h1{margin:6px 0 8px;font-size:26px;line-height:1.08}.core-app .journey-home .core-welcome p{font-size:16px;line-height:1.35}.core-app .journey-home .play-path{margin-bottom:8px;padding:12px}.core-app .journey-home .play-path .core-eyebrow{display:none}.core-app .journey-home .play-path 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.home-play-action{background:var(--brand-teal);color:#fff;border-top:1px solid #045c65;padding:15px 20px}.core-app .home-play:hover .home-play-action{background:#056771}.core-app .home-board{filter:none}.core-app .home-shortcuts button:hover{color:var(--green);background:var(--surface)}.core-app .home-nav{background:var(--surface);border-top-color:var(--line);box-shadow:0 -4px 18px #30244205}.core-app .home-nav a[aria-current]{color:var(--green);background:var(--core-tint)}.core-app .home-nav a[aria-current] svg{stroke-width:2.4px}.core-app .home-everyday{max-width:36ch}.home-paths{gap:10px;display:grid}.core-app .home-path{border:1px solid var(--line);background:var(--surface);width:100%;color:var(--fg);text-align:left;cursor:pointer;border-radius:14px;align-items:center;gap:13px;padding:16px 14px;display:flex}.core-app .home-path-play{background:var(--core-tint)}.home-path>span:nth-child(2),.home-resume>span{flex:1;min-width:0}.home-path-icon{color:var(--green);flex-shrink:0;display:flex}.home-path>svg,.home-resume>svg:last-child{color:var(--green);flex-shrink:0}.home-path strong,.home-simple-tools strong,.home-resume strong{font-size:17px;font-weight:700;line-height:1.3;display:block}.home-path small,.home-simple-tools small,.home-resume small{color:var(--sub);margin-top:5px;font-size:15px;font-weight:400;line-height:1.4;display:block}.home-simple-tools{margin:14px 0}.home-simple-tools button{border:0;border-bottom:1px solid var(--line);width:100%;min-height:64px;color:var(--fg);text-align:left;cursor:pointer;background:0 0;align-items:center;gap:13px;padding:12px 4px;display:flex}.home-simple-tools button>svg{color:var(--green);flex-shrink:0}.core-app .home-resume{border:1px solid 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