/* Logic Garden mobile workspace. Original local art and system fonts; no external assets. */
:root,:root[data-theme="light"]{
 --bg:#f6f8fc;--surface:#fff;--surface-2:#edf2f8;--ink:#17233d;--ink-2:#526079;
 --line:#e0e6ef;--line-2:#b7c3d5;--grid-thick:#27364f;--primary:#067468;--primary-strong:#05695e;
 --primary-soft:#e0f4ee;--primary-ink:#fff;--sage:#edf6f4;--sage-2:#d3e9e4;
 --coral:#bb422c;--coral-soft:#ffebe5;--given-bg:#edf1f8;--sel:#d5e9ff;--peer:#f0f5fc;--same:#e0eafa;--area:#e7f4f0;--target-bg:#c6ebdf;
 --focus:#2b56cf;--ev:#26344c;--shadow:0 4px 18px #1734510c;--font-display:var(--font-ui);
 --workspace-radius:20px;--space-1:4px;--space-2:8px;--space-3:12px;--space-4:16px;--space-6:24px;--space-8:32px;
}
@media(prefers-color-scheme:dark){:root:not([data-theme="light"]){
 --bg:#101625;--surface:#192236;--surface-2:#222e43;--ink:#edf3ff;--ink-2:#b0bed6;--line:#303e56;--line-2:#53627b;--grid-thick:#bbc9e0;
 --primary:#73dfc3;--primary-strong:#9aebd7;--primary-soft:#203e3b;--primary-ink:#092923;--sage:#1e3337;--sage-2:#2b454b;--coral:#ffad96;--coral-soft:#4e302f;
 --given-bg:#263249;--sel:#354e79;--peer:#202d45;--same:#30435f;--area:#24413e;--target-bg:#2d6356;--focus:#a6c7ff;--ev:#dce9fc;
}}
:root[data-theme="dark"]{
 --bg:#101625;--surface:#192236;--surface-2:#222e43;--ink:#edf3ff;--ink-2:#b0bed6;--line:#303e56;--line-2:#53627b;--grid-thick:#bbc9e0;
 --primary:#73dfc3;--primary-strong:#9aebd7;--primary-soft:#203e3b;--primary-ink:#092923;--sage:#1e3337;--sage-2:#2b454b;--coral:#ffad96;--coral-soft:#4e302f;
 --given-bg:#263249;--sel:#354e79;--peer:#202d45;--same:#30435f;--area:#24413e;--target-bg:#2d6356;--focus:#a6c7ff;--ev:#dce9fc;
}
h1,h2,h3,.display,.page-title,.play-title,.logic-title{font-family:var(--font-ui);letter-spacing:-.035em}
.brand{font-family:var(--font-ui);font-weight:760}.site-header{background:var(--surface);border-bottom:1px solid var(--line)}
.hdr{max-width:1200px}.main-home,.main-daily,.main-mosaic,.main-balance,.main-review{max-width:1160px}
.site-nav a{display:flex;align-items:center;justify-content:center;gap:7px}.site-nav .icon{width:19px;height:19px;flex:none}
.icon{stroke-width:1.8}.btn,.mode-btn,.answer-btn{font-weight:650}.btn{border-radius:12px}
.hero{display:block;padding:28px 0 18px}.hero-copy{max-width:none}.hero .display{font-size:clamp(1.65rem,3vw,2.5rem);line-height:1.3;letter-spacing:-.045em;max-width:100%}
.hero .display>span{display:inline;white-space:normal}.hero-copy .kicker{margin-bottom:8px}.hero-copy .lede{max-width:65ch;font-size:1rem;line-height:1.7;margin:10px 0 16px}
.hero-actions{display:flex;gap:12px;margin-top:0}.hero-actions .big{font-size:.9rem;min-height:44px;padding:10px 18px}.hero-meta{font-size:.78rem;margin:12px 0 0}.hero-meta>.game-pill{display:none}
.game-gallery{margin-top:6px}.game-gallery .section-heading{margin-bottom:14px}.game-gallery .section-heading .kicker,.game-gallery .section-heading>.small{display:none}.game-gallery h2{font-size:1.4rem;margin:0}
.game-cards{gap:18px}.game-card{display:flex;flex-direction:column;padding:20px;border-radius:var(--workspace-radius);background:var(--surface);box-shadow:var(--shadow)}
.game-card.sudoku{--game-accent:#5057d9;--game-soft:#efefff}.game-card.mosaic{--game-accent:#bd4b25;--game-soft:#ffede6}.game-card.balance{--game-accent:#17638a;--game-soft:#e5f3fd}
.game-card-top{margin:0 0 16px;gap:10px}.game-card-top img{width:44px;height:44px}.game-card-heading h3{font-size:1.15rem}.status-chip{display:inline-block;font-size:.7rem;background:var(--surface-2);border:0;padding:3px 8px}
.preview-card-link{padding:14px;margin:0 0 16px;background:var(--surface-2);border-radius:14px;width:100%;align-self:stretch}.game-preview{width:100%;max-width:205px}.game-preview .logic-board{width:100%;aspect-ratio:auto}
.game-preview .logic-board th{line-height:1.1}.game-card-copy{margin-top:auto}.game-card-copy p{font-size:.85rem;line-height:1.65;min-height:2.7em;margin-bottom:14px}.game-start{min-height:46px}
.daily-trail{margin:18px 0;padding:16px 20px;gap:14px;border-radius:16px}.daily-trail img{width:54px;height:46px}.daily-trail h2{font-size:1rem;margin:0 0 4px}.daily-trail .kicker{display:none}.daily-trail p{font-size:.8rem}.daily-trail .btn{font-size:.8rem}
.compact-review{display:flex;padding:20px 24px;gap:20px;margin-bottom:20px;border-radius:18px;position:relative}.compact-review>div{flex:1}.compact-review h2{font-size:1.2rem;margin:0 0 8px}.compact-review p{font-size:.85rem;line-height:1.65;margin:6px 0}.compact-review>img{width:95px;height:85px;order:0;flex:none}.compact-review .btn{min-height:44px;font-size:.85rem;margin-top:8px}
.task-disclosure,.today-preview,.play-extras,.saved-move-selector{border:1px solid var(--line);border-radius:16px;background:var(--surface);margin:12px 0;min-width:0}
.task-disclosure>summary,.today-preview>summary,.play-extras>summary,.saved-move-selector>summary{min-height:56px;display:flex;align-items:center;gap:10px;cursor:pointer;padding:12px 16px;list-style:none;font-size:.9rem;font-weight:650}
summary::-webkit-details-marker{display:none}.task-disclosure>summary>:last-child,.today-preview>summary>:last-child,.play-extras>summary>:last-child,.saved-move-selector>summary>:last-child{margin-left:auto;transition:transform .18s}
.task-disclosure[open]>summary>:last-child,.today-preview[open]>summary>:last-child,.play-extras[open]>summary>:last-child,.saved-move-selector[open]>summary>:last-child{transform:rotate(90deg)}
.task-disclosure>.band,.task-disclosure>.g-sec,.task-disclosure>.logic-guide{margin:0;border:0;border-radius:0;padding:20px;box-shadow:none;background:transparent}.task-disclosure .band-head{margin-bottom:18px}.task-disclosure .band-head h2{font-size:1.1rem}.task-disclosure .kbhelp{margin:0;padding:12px;font-size:.8rem}
.today-preview .hero-board{margin:0 auto 20px;width:min(320px,calc(100% - 32px));padding:12px}.today-preview .hero-sprig{display:none}.collection-boundary{font-size:.75rem;padding:14px 0;margin:20px 0 0}
.puzzle-rail{scrollbar-width:none;-ms-overflow-style:none;scroll-snap-type:x mandatory;overscroll-behavior-x:contain;scroll-padding-inline:0;touch-action:auto}
.puzzle-rail::-webkit-scrollbar{display:none}.puzzle-rail:focus-visible{outline-offset:3px}.puzzle-rail>*{scroll-snap-align:start;flex:none}.puzzle-rail.is-dragging{scroll-snap-type:none;cursor:grabbing!important}.puzzle-rail.is-dragging>*{user-select:none}
.rail-position{display:flex;align-items:center;justify-content:center;gap:2px;margin:2px 0 4px;min-height:44px}.rail-dot,.rail-step{width:44px;height:44px;display:grid;place-items:center;border:0;background:transparent;color:var(--ink-2);cursor:pointer;font:inherit;flex:none;border-radius:50%}.rail-dot>span{width:6px;height:6px;border-radius:50%;background:var(--line-2)}.rail-dot[aria-current="true"]>span{background:var(--primary);width:18px;border-radius:8px}.rail-step{font-size:1.6rem}.rail-step:disabled{opacity:.35;cursor:default}.rail-count{min-width:92px;font-size:.75rem;color:var(--ink-2);text-align:center}
.week.puzzle-rail{display:flex;overflow-x:auto;gap:8px;padding:4px 0 10px;margin:0}.week.puzzle-rail>li{width:70px}.week.puzzle-rail .day{width:70px}
.task-heading{position:relative;display:flex;align-items:center;justify-content:space-between;gap:12px;margin:16px 0 12px;min-width:0}.task-heading>h1{font-size:1.65rem;margin:0;line-height:1.4}.date-picker{flex:none}.date-picker>summary{list-style:none;display:flex;align-items:center;justify-content:center;width:60px;min-height:44px;border:1px solid var(--line);border-radius:12px;background:var(--surface);cursor:pointer;gap:3px}.date-picker>summary .icon:last-child{width:14px}.date-picker[open]>summary{color:var(--primary);border-color:var(--primary)}.date-panel{position:absolute;top:calc(100% + 8px);left:0;right:0;z-index:35;padding:16px;border-radius:18px;background:var(--surface);border:1px solid var(--line-2);box-shadow:0 12px 36px #0a183b26}.date-panel>.kicker{margin-bottom:12px}.date-panel>a{display:inline-flex;align-items:center;min-height:44px;font-size:.85rem}
.date-picker:not([open])>.date-panel{display:none}
.date-choices{display:flex;gap:8px;overflow-x:auto;padding:3px 0 10px}.date-choice{min-width:128px;display:flex;flex-direction:column;text-decoration:none;color:var(--ink);padding:12px 16px;border:1px solid var(--line);border-radius:12px;background:var(--surface-2)}.date-choice time{font-weight:700;font-size:.9rem}.date-choice .small{margin-top:4px;font-size:.72rem;color:var(--ink-2)}.date-choice[aria-current="page"]{border:2px solid var(--primary);padding:11px 15px;background:var(--primary-soft)}
.logic-layout{gap:24px}.logic-meta{margin-bottom:12px}.logic-dock{padding:20px;border-radius:18px;box-shadow:var(--shadow)}.logic-tools .mode-btn{display:flex;align-items:center;justify-content:center;gap:6px}.logic-dock>.btn-row{display:grid;grid-template-columns:1fr 1fr;gap:8px}.logic-dock>.btn-row .btn{display:flex;align-items:center;justify-content:center;gap:6px;min-height:46px}.logic-tools .mode-btn[aria-pressed="true"]{border-color:var(--focus);color:var(--focus);background:var(--sel)}
.play-extras{margin:16px 0 0}.play-extras .logic-rules{padding:0 14px;margin-top:0}.play-extras .board-reading{padding:0 14px 12px}.logic-rules summary,.board-reading summary{line-height:1.6}.rule-figure{margin:16px 0;padding:14px;border-radius:12px;background:var(--surface-2)}.rule-figure figcaption{font-size:.72rem;color:var(--ink-2);line-height:1.6}.rule-diagram{display:flex;align-items:center;gap:6px;margin:14px 0}.rule-diagram strong{min-width:16px}.rule-square{width:28px;height:28px;border-radius:5px;border:1px solid var(--line-2);display:grid;place-items:center;font-size:1rem;color:var(--ink-2)}.rule-square.filled{background:var(--coral);border-color:var(--coral)}.rule-shape{font-size:1.65rem;line-height:1.1}.shape-0{color:var(--primary)}.shape-1{color:var(--coral)}.rule-figure p{font-size:.8rem;line-height:1.7;margin:0}
.review-intro{margin-bottom:16px}.review-intro>.kicker{font-size:.75rem}.review-intro .lede{font-size:.95rem}.saved-move-selector>.review-controls{padding:0 16px;margin:6px 0 12px}.review-list.puzzle-rail{display:flex;gap:12px;overflow-x:auto;padding:4px 16px 12px}.review-list.puzzle-rail>.review-card{width:260px;max-width:calc(100vw - 80px);padding:18px}.review-list.puzzle-rail>.review-empty{width:100%;max-width:100%;padding:20px;border:0}.review-card h3{font-size:1rem;margin:10px 0}.move-practice{margin-top:16px;padding:24px;gap:24px}.move-body h2{font-size:1.25rem}.move-answers{margin:16px 0}.move-body .small{margin-bottom:10px}.review-intro p{margin:8px 0}.review-counts{font-size:.85rem}
.move-prompt{grid-column:2;grid-row:1}.move-practice>.move-board{grid-column:1;grid-row:1/span 2}.move-practice>.move-body{grid-column:2;grid-row:2}.move-prompt h2{font-size:1.25rem;line-height:1.5;margin:8px 0 0}.move-prompt .kicker,.move-prompt .small{margin:0 0 6px}.move-practice [data-testid="review-question"]:focus,.move-practice [data-testid="review-feedback"]:focus{outline:3px solid var(--focus);outline-offset:4px;border-radius:8px;scroll-margin-block:100px}
@media(prefers-color-scheme:dark){:root:not([data-theme="light"]) .game-card.sudoku{--game-accent:#b2b7ff;--game-soft:#303351}:root:not([data-theme="light"]) .game-card.mosaic{--game-accent:#ffc2a3;--game-soft:#4a342e}:root:not([data-theme="light"]) .game-card.balance{--game-accent:#9cd9fa;--game-soft:#263e50}}
:root[data-theme="dark"] .game-card.sudoku{--game-accent:#b2b7ff;--game-soft:#303351}:root[data-theme="dark"] .game-card.mosaic{--game-accent:#ffc2a3;--game-soft:#4a342e}:root[data-theme="dark"] .game-card.balance{--game-accent:#9cd9fa;--game-soft:#263e50}
@media(min-width:760px){.game-cards.puzzle-rail{overflow-x:auto}.hero-actions>.quiet{display:none}.today-preview{max-width:100%}.site-header .site-nav{gap:4px}.play .side{min-width:0}.play .dock{box-shadow:var(--shadow);border-radius:18px}.saved-move-selector .review-list.puzzle-rail{padding:8px 20px 16px}}
@media(min-width:760px){.hero{padding:12px 0 10px}.hero .display{font-size:clamp(1.65rem,2.5vw,2rem);line-height:1.3}.hero-copy .kicker{margin-bottom:6px}.hero-copy .lede{font-size:.94rem;line-height:1.6;margin:6px 0 10px}.hero-actions{margin:0}.hero-meta{margin-top:8px}.game-gallery{margin-top:4px}}
@media(min-width:760px) and (max-width:1023px){.hdr{gap:8px;padding:8px 16px}.hdr .brand{font-size:1rem;gap:8px}.brand .logo{width:28px;height:28px}.site-header .site-nav{flex-wrap:nowrap;gap:2px}.site-nav a{font-size:.78rem;gap:5px;padding:0 8px;white-space:nowrap}.hdr-tools{gap:4px}.hdr .lang-name{display:none}.hdr .lang summary{width:44px;min-width:44px;padding:8px}.hdr-tools .icon-btn{width:44px}}
@media(max-width:759px){
 body{padding-bottom:calc(70px + env(safe-area-inset-bottom,0px))}.site-header{position:sticky;top:0;z-index:40}.hdr{display:flex;flex-wrap:nowrap;align-items:center;justify-content:space-between;padding:8px 16px;min-height:62px;gap:8px}.brand{font-size:1rem;gap:8px}.brand .logo{width:27px;height:27px}.hdr-tools{margin:0;gap:4px}.hdr-tools .icon-btn,.hdr-tools .sound-toggle,.lang summary{width:40px;min-width:40px;height:44px;padding:8px}.lang-name{display:none}.hdr .lang .vh{position:absolute}.site-nav{position:fixed;inset:auto 0 0;display:grid;grid-template-columns:repeat(4,1fr);gap:0;background:var(--surface);border-top:1px solid var(--line);padding:3px 8px calc(3px + env(safe-area-inset-bottom,0px));z-index:60;min-height:62px}.site-nav a{flex-direction:column;gap:2px;min-height:52px;font-size:.7rem;padding:5px 4px;border-radius:12px}.site-nav a .icon{width:21px;height:21px}.site-nav a[aria-current="page"]{background:var(--primary-soft);color:var(--primary)}
 main{padding:12px 16px 24px}.hero{padding:12px 0 10px}.hero .display{font-size:1.55rem;max-width:100%;line-height:1.4;letter-spacing:-.04em}.hero-copy .kicker{font-size:.68rem;margin:0 0 5px}.hero-copy .lede{font-size:.83rem;margin:7px 0 10px;line-height:1.7}.hero-actions{display:none}.hero-meta{margin:7px 0 0;font-size:.72rem}.hero-meta .meta-inline{gap:8px}.game-gallery{margin-top:12px}.game-gallery h2{font-size:1.12rem}.game-gallery .section-heading{margin-bottom:12px}
 .game-cards.puzzle-rail{display:flex;overflow-x:auto;gap:12px;padding:4px 0 12px;margin-right:-16px;padding-right:32px}.game-cards.puzzle-rail>.game-card{display:flex;width:calc(100vw - 84px);max-width:360px;padding:16px;border-radius:20px;gap:0}.game-card-top{margin:0 0 12px;gap:10px}.game-card-top img{width:40px;height:40px}.game-card-heading h3{font-size:1.08rem}.game-card .preview-card-link{padding:10px;margin:0 0 12px;min-height:190px;display:grid;place-items:center}.game-preview{max-width:175px;width:100%}.game-preview .logic-board{border-spacing:2px}.game-preview .logic-cell{border-radius:4px}.game-preview .logic-cell .token{font-size:.75rem}.game-preview .row-clue span,.game-preview .col-clue span{font-size:.56rem}.game-card-copy p{font-size:.82rem;margin:0 0 10px;min-height:2.8em}.game-start{font-size:.88rem;min-height:44px}.rail-position{margin:0 0 4px}
 .daily-trail{padding:12px 14px;gap:10px;margin:12px 0;flex-wrap:wrap}.daily-trail img{width:40px;height:40px}.daily-trail>div{min-width:150px;flex:1}.daily-trail h2{font-size:.95rem}.daily-trail p{font-size:.75rem}.daily-trail>a{padding:4px 0;min-height:36px;font-size:.75rem}
 .compact-review{padding:16px;margin:12px 0 18px;gap:12px}.compact-review>img{width:65px;height:65px;margin:0;order:0}.compact-review h2{font-size:1.05rem}.compact-review p{font-size:.78rem;line-height:1.65}.compact-review .btn{font-size:.8rem;padding:8px 12px}.compact-review .review-counts{font-size:.75rem}
 .task-disclosure>summary,.today-preview>summary,.play-extras>summary,.saved-move-selector>summary{min-height:52px;font-size:.85rem;padding:10px 14px;gap:9px}.task-disclosure .band{padding:16px}.task-disclosure .band-head h2{font-size:1rem}.task-disclosure .band-head p{font-size:.82rem}.task-disclosure .how-step p{font-size:.82rem}.task-disclosure .g-sec,.task-disclosure .logic-guide{padding:16px}.task-heading{margin:5px 0 10px;gap:8px}.task-heading>h1{font-size:1.2rem;line-height:1.45}.date-picker>summary{width:50px}.main-daily .play{gap:12px}.meta-row{gap:8px;margin-bottom:10px;padding:0;font-size:.75rem}.play .kbhelp{font-size:.75rem}.play-main>.task-disclosure{margin:8px 0}.play-main>.task-disclosure>summary{min-height:44px;padding:7px 10px;font-size:.75rem}.play .side .dock{border-radius:16px;padding:12px;box-shadow:var(--shadow)}.play .secondary{margin-top:10px}.play .tools{gap:6px}.play .tools .btn{min-height:44px;font-size:.78rem;padding:8px 6px}.pad{gap:5px}.pad button{min-height:44px}.play .meta-progress progress{height:4px}.play .secondary .btn{font-size:.78rem;min-height:44px}.board-wrap{border-radius:10px}
 .logic-meta{margin-bottom:10px}.logic-layout{gap:12px}.logic-dock{padding:12px;border-radius:16px}.logic-tools{margin-bottom:8px;gap:6px}.logic-tools .mode-btn{min-height:46px;font-size:.78rem;padding:8px 4px}.logic-dock>.btn-row .btn{min-height:44px;padding:8px;font-size:.8rem}.logic-dock .icon{width:18px;height:18px}.board-bottom{margin-top:4px}.board-bottom .btn{font-size:.72rem;min-height:40px;padding:6px 0}.board-scroll{padding:6px}.logic-title{margin-bottom:0}.play-extras{margin-top:12px}.logic-message:empty{display:none}.logic-message{font-size:.8rem;margin:10px 0}.logic-dock>.btn-row:last-child{margin-top:12px}.logic-dock>.btn-row:last-child .btn{font-size:.75rem}
 .context-panel:not([hidden]){position:fixed;z-index:55;bottom:calc(64px + env(safe-area-inset-bottom,0px));left:8px;right:8px;max-height:48dvh;overflow-y:auto;overscroll-behavior-y:contain;margin:0;padding:16px;background:var(--surface);border:1px solid var(--line-2);border-radius:20px;box-shadow:0 -10px 40px #0a17312b;scroll-margin:16px}.context-panel .hint-legend{font-size:.75rem}.context-panel p{font-size:.85rem;line-height:1.75}.context-panel .hint-eyebrow{font-size:.75rem}.context-panel .btn-row{position:sticky;bottom:-16px;display:flex;background:var(--surface);padding:10px 0;margin-bottom:0;z-index:2}.context-panel .btn-row>.btn{flex:1;min-height:44px;font-size:.8rem}.context-panel .collect-btn,.context-panel .collect{min-height:44px;font-size:.8rem}.context-panel .blocked{font-size:.8rem}.context-panel .hint-stagebar{margin-bottom:10px}.context-panel .line-proof{margin:10px 0}.context-panel .proof-cell{width:22px;height:22px}
 .review-intro>.kicker{display:none}.review-intro p{font-size:.83rem}.page-title{font-size:1.45rem}.move-practice{padding:16px;gap:16px}.move-board{max-width:300px}.move-body h2{font-size:1.12rem}.move-answers{margin:12px 0}.move-answers .answer-btn{min-width:44px;min-height:44px;font-size:.9rem}.move-body .btn-row .btn{font-size:.8rem}.move-feedback{font-size:.83rem}.move-evidence{padding:12px}.saved-move-selector .rail-position{margin-bottom:6px}.site-footer{padding-bottom:10px;font-size:.72rem}.site-footer .foot{padding:16px}
}
@media(max-width:359px){.hdr{padding-inline:12px}.hdr-tools{gap:0}.brand{font-size:.9rem}.brand .logo{width:24px;height:24px}main{padding-inline:12px}.hero .display{font-size:1.4rem}.game-cards.puzzle-rail{margin-right:-12px;padding-right:24px}.game-cards.puzzle-rail>.game-card{width:calc(100vw - 58px)}.game-card .preview-card-link{min-height:175px}.game-card-heading h3{font-size:1rem}.compact-review>img{width:48px;height:48px}.task-heading>h1{font-size:1.05rem}.logic-board th{font-size:.65rem}.context-panel{max-height:52dvh}.rule-square{width:24px;height:24px}.rule-diagram{gap:4px}}
@media(max-width:759px){.move-practice{display:flex;flex-direction:column;gap:12px;scroll-margin-top:76px}.move-prompt{display:grid;grid-template-columns:auto minmax(0,1fr);align-items:center;gap:4px 8px}.move-prompt .kicker,.move-prompt .small{font-size:.68rem;line-height:1.5;margin:0}.move-prompt h2{grid-column:1/-1;font-size:1rem;line-height:1.45;margin:4px 0 0}.move-practice>.move-board{max-width:236px}.move-board .board-reading{margin-top:3px}.move-board .board-reading summary{font-size:.72rem;min-height:36px}.move-body .move-answers{margin:0 0 10px}.move-body .move-feedback{margin:8px 0}.move-body .btn-row{margin-top:10px}.move-body .btn-row>.btn{min-height:44px}.hdr-tools .icon-btn,.hdr-tools .sound-toggle,.lang summary{width:44px;min-width:44px}}
@media(prefers-reduced-motion:reduce){.puzzle-rail{scroll-behavior:auto}.task-disclosure>summary>:last-child,.today-preview>summary>:last-child{transition:none}}