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var(--mp-paper);--ui-rays: rgba(106,166,255,.06);--ui-visual-bg: #CDD3DC;--ui-visual-edge: #A3ACBA;--ui-mark: var(--mp-action);--ui-bronze-ink: #F0A868;--ui-placeholder: var(--mp-ink3);--ui-sea: #1C3446;--map-water1: #22404F;--map-water2: #2A4D5A;--map-surf: #5F8790;--map-wave: #3E6070;--map-cliff-dark: #4E3B28;--map-cliff: #6B5236;--map-sand: #9C8458;--map-sand-lip: #85704A;--map-grass-lip: #2F4630;--map-grass: #3F5A3A;--map-grass-light: #4C6E44;--map-tree-shadow: #0F1F12;--map-pine-trunk: #4A3123;--map-pine-dark: #1F4430;--map-pine: #2C5A3C;--map-tree-trunk: #553624;--map-tree-dark: #2A5232;--map-tree: #3A6A3A;--map-tree-light: #557F48;--map-rock: #6F6A64;--map-rock-light: #8C867C;--map-flower: #E6D9BF;--map-flower-heart: #E0A93A;--map-pole: #C8B89A;--map-trail-bed: rgba(15,17,21,.3);--map-trail: #D4C7AC;--map-trail-done-bed: rgba(74,222,128,.22);--map-disc: #EEF1F5;--map-locked-face: #3E4450;--map-locked-edge: #252A32;--map-locked-ring: #4E5563;--map-locked-glyph: #C3C9D2;--map-node-rim: #E8ECF1;--map-node-rim-locked: #BAC2CD}:root{--sub: var(--subj, var(--mp-action));--sub-deep: var(--subj-ink, var(--mp-action-hover));--sub-soft: var(--subj-tint, var(--mp-action-soft));--ok: var(--mp-success);--ok-soft: var(--mp-success-soft);--miss: var(--mp-hint);--miss-soft: var(--mp-hint-soft);--ease: var(--mp-motion-ease-out);--spring: var(--mp-motion-ease-spring);--fast: var(--mp-motion-fast);--base: var(--mp-motion-base)}[data-subject]{--sub: var(--subj);--sub-deep: var(--subj-ink);--sub-soft: var(--subj-tint)}*,*:before,*:after{box-sizing:border-box}html{-webkit-text-size-adjust:100%;overflow-wrap:anywhere}body{margin:0;background:var(--mp-paper);color:var(--mp-ink);font-family:var(--mp-font-body);font-size:var(--mp-text-body);line-height:var(--mp-leading-body);-webkit-font-smoothing:antialiased;-webkit-tap-highlight-color:transparent}::selection{background:var(--mp-action-soft);color:var(--mp-ink)}::placeholder{color:var(--ui-placeholder);opacity:1}html{accent-color:var(--mp-action);caret-color:var(--mp-action)}h1,h2,h3{font-family:var(--mp-font-display);font-variation-settings:var(--mp-display-settings);font-weight:var(--mp-weight-h2);letter-spacing:-.015em;line-height:var(--mp-leading-h2);margin:0 0 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0;min-height:80px}.topbar-left{display:flex;align-items:center;gap:12px;min-width:0}.topbar-title{font-family:var(--mp-font-display);font-weight:800;font-size:1.2rem;min-width:0}.crumb{color:var(--sub-deep)}.wordmark{display:inline-flex;align-items:center;gap:8px;text-decoration:none;color:var(--mp-brand);font-family:var(--mp-font-display);font-variation-settings:var(--mp-display-settings);font-weight:900;font-size:1.6rem;letter-spacing:-.02em;min-height:48px}.iconbtn{display:inline-grid;place-items:center;width:52px;height:52px;border-radius:var(--mp-radius-md);border:0;cursor:pointer;background:var(--mp-card);color:var(--mp-ink);box-shadow:var(--mp-shadow-paper);text-decoration:none;flex:none;transition:transform var(--fast) var(--ease),box-shadow var(--fast)}.iconbtn:hover{box-shadow:var(--mp-shadow-raised)}.iconbtn:active{transform:translateY(2px)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:var(--mp-tap-min);padding:10px 22px;border-radius:var(--mp-radius-md);border:2px solid var(--ui-control-edge);cursor:pointer;text-decoration:none;font-weight:700;background:var(--mp-card);color:var(--mp-ink);box-shadow:var(--mp-shadow-press);line-height:1.2;text-align:center;transition:transform var(--fast) var(--ease),box-shadow var(--fast),background var(--fast)}.btn:hover{background:var(--ui-surface)}.btn:active{transform:translateY(3px);box-shadow:0 1px 0 var(--mp-press-edge)}.btn:disabled{opacity:.5;cursor:not-allowed;transform:none}.btn-primary{background:var(--mp-action);border-color:var(--mp-action);color:var(--ui-on-action);box-shadow:0 4px 0 var(--ui-action-edge)}.btn-primary:hover{background:var(--mp-action-hover);border-color:var(--mp-action-hover)}.btn-primary:active{box-shadow:0 1px 0 var(--ui-action-edge)}.btn-ghost{background:var(--mp-card)}.btn-quiet{background:transparent;border-color:var(--mp-line-strong);box-shadow:none;border-radius:var(--mp-radius-pill);color:var(--mp-ink2)}.btn-quiet:hover{background:var(--mp-card)}.btn-lg{min-height:var(--mp-tap-kid);padding:12px 28px;font-size:1.15rem}.btn-xl{min-height:var(--mp-tap-kid);padding:14px 28px;font-size:1.25rem}.btn-sm{min-height:var(--mp-tap-min);padding:6px 14px;font-size:1rem}.btn-block{width:100%}.btn-danger{background:var(--mp-danger);border-color:var(--mp-danger);color:var(--ui-on-danger);box-shadow:0 4px 0 var(--ui-danger-edge)}.btn-danger-ghost{color:var(--mp-danger);border-color:var(--mp-danger-soft);box-shadow:none}.chip{display:inline-flex;align-items:center;gap:6px;min-height:var(--mp-tap-min);padding:8px 16px;border-radius:var(--mp-radius-pill);border:2px solid var(--mp-line);background:var(--mp-card);cursor:pointer;font-weight:700;color:var(--mp-ink);text-decoration:none}.chip.is-on{background:var(--mp-ink);border-color:var(--mp-ink);color:var(--mp-paper)}.chip-sm{font-size:.95rem;padding:6px 14px}.chips{list-style:none;padding:0;margin:0;display:flex;flex-wrap:wrap;gap:8px}.chip-star{background:var(--mp-mathematics-tint);border-color:transparent;color:var(--mp-mathematics-ink);white-space:normal;text-align:left}.pill{display:inline-block;padding:4px 12px;border-radius:var(--mp-radius-pill);font-size:.9rem;font-weight:700;background:var(--mp-paper2);color:var(--mp-ink2)}.pill-mastered{background:var(--ui-gold-soft);color:var(--ui-gold-ink)}.pill-available,.pill-started{background:var(--sub-soft);color:var(--sub-deep)}.pill-preview{background:transparent;border:2px dashed var(--mp-line-strong);padding:2px 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.chip{min-width:56px;justify-content:center}.avatar{display:inline-grid;place-items:center;border-radius:50%;color:#fff;font-family:var(--mp-font-display);font-weight:800;flex:none;box-shadow:inset 0 -4px #00000024}.avatar img{display:block;width:100%;height:100%;border-radius:50%}.avatarpick{display:grid;grid-template-columns:repeat(auto-fit,68px);gap:8px;max-width:296px}.avatarpick-opt{display:inline-grid;place-items:center;padding:3px;min-width:var(--mp-tap-min);min-height:var(--mp-tap-min);border-radius:50%;border:3px solid transparent;background:none;cursor:pointer}.avatarpick-opt .avatar{box-shadow:none}.avatarpick-opt.is-on{border-color:var(--mp-ink)}.avatarpick-opt:focus-visible{outline:none;box-shadow:var(--mp-shadow-focus)}.avatar-add{background:var(--mp-paper2);color:var(--mp-ink2);width:72px;height:72px;font-size:2rem;box-shadow:none;border:2px dashed var(--mp-line-strong)}.loading,.errorbox{display:flex;align-items:center;justify-content:center;gap:16px;padding:64px 16px;color:var(--mp-ink2);font-weight:700}.errorbox{text-align:left}.loading img,.loading svg{animation:bob 1.4s var(--ease) infinite alternate}.notice{background:var(--mp-paper2);border:2px solid var(--mp-line);box-shadow:none}.notice p{margin:0}.home{max-width:1080px;margin:0 auto;padding:clamp(20px,5vw,56px) clamp(16px,4vw,40px) 24px}.home-hero{display:grid;grid-template-columns:1fr auto;gap:24px;align-items:center}.wordmark-lg{display:inline-flex;align-items:center;gap:10px;color:var(--mp-brand);font-family:var(--mp-font-display);font-variation-settings:var(--mp-display-settings);font-weight:900;letter-spacing:-.02em;font-size:1.8rem;margin-bottom:12px}.home-hero h1{font-size:var(--mp-text-display);line-height:var(--mp-leading-display);max-width:16ch}.lede{font-size:var(--mp-text-body-lg);color:var(--mp-ink2);max-width:56ch}.home-mascot{animation:bob 2.4s var(--ease) infinite alternate}.learners{margin-top:32px}.learner-grid{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(min(176px,100%),1fr));gap:16px}.learner{width:100%;display:flex;flex-direction:column;align-items:center;gap:8px;padding:24px 16px;text-decoration:none;color:var(--mp-ink);background:var(--mp-card);border-radius:var(--mp-radius-lg);box-shadow:var(--mp-shadow-paper),var(--mp-shadow-press);border:2px solid var(--mp-line);cursor:pointer;min-height:196px;justify-content:center;transition:transform var(--base) var(--ease)}.learner:hover{transform:translateY(-3px)}.learner:active{transform:translateY(2px)}.learner-name{font-family:var(--mp-font-display);font-weight:800;font-size:1.4rem;max-width:100%;text-align:center}.learner-age{color:var(--mp-ink2);font-size:1rem}.learner-add{background:transparent;box-shadow:none;border:2px dashed var(--mp-line-strong)}.addcard{margin-top:20px;max-width:600px}.home-links{display:flex;gap:12px;margin-top:32px;flex-wrap:wrap}.kidshell{display:grid;grid-template-columns:96px minmax(0,1fr);grid-template-rows:minmax(0,1fr) auto;height:100dvh}.rail{grid-row:1 / span 2;display:flex;flex-direction:column;align-items:center;gap:6px;padding:14px 8px;background:var(--mp-card);border-right:1px solid var(--mp-line);min-height:0;overflow-y:auto}.rail-logo{display:grid;place-items:center;width:64px;height:64px;border-radius:var(--mp-radius-md);margin-bottom:8px}.rail-spacer{flex:1}.nav-item{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;width:76px;min-height:72px;border-radius:var(--mp-radius-md);color:var(--mp-ink2);text-decoration:none;font-weight:700;font-size:.85rem;flex-shrink:0;text-align:center}.nav-item:hover{background:var(--mp-paper);color:var(--mp-ink)}.nav-item.is-on{background:var(--mp-action-soft);color:var(--mp-action-hover)}.kidshell-main{min-width:0;min-height:0;display:flex;flex-direction:column;overflow:auto}.credit{margin:0;padding:3px 12px;min-height:16px;box-sizing:border-box;font-size:9px;line-height:10px;color:var(--mp-ink3);text-align:center}.credit a{color:var(--mp-ink3);text-decoration:none}.credit a:hover,.credit a:focus-visible{text-decoration:underline;text-underline-offset:1px}.kidshell .shell-credit{grid-column:1 / -1}.kidmap{display:flex;flex-direction:column;min-height:100%;flex:1 0 auto;padding:16px clamp(12px,2vw,28px) 4px;gap:12px}.kid-head{display:flex;align-items:center;gap:14px}.kid-head-text{flex:1;min-width:0}.kid-head h1{margin:0;font-size:clamp(1.75rem,1.4rem + 1.2vw,2.4rem)}.kid-head p{margin:0;color:var(--mp-ink2);font-size:var(--mp-text-body-lg)}.stars-pill{display:inline-flex;align-items:center;gap:8px;min-height:56px;padding:8px 18px 8px 12px;border-radius:var(--mp-radius-pill);background:var(--mp-card);border:2px solid var(--mp-line);box-shadow:var(--mp-shadow-press);text-decoration:none;color:var(--mp-ink);font-weight:700}.stars-pill strong{font-family:var(--mp-font-display);font-weight:900;font-size:1.5rem;line-height:1}.subject-tabs-wrap{position:relative;flex:none;min-width:0}.subject-tabs{display:flex;gap:8px;overflow-x:auto;padding:4px 2px 8px;scrollbar-width:none;flex:none}.subject-tabs::-webkit-scrollbar{display:none}.subject-tabs-wrap.has-more .subject-tabs{-webkit-mask-image:linear-gradient(90deg,#000 calc(100% - 120px),transparent calc(100% - 24px));mask-image:linear-gradient(90deg,#000 calc(100% - 120px),transparent calc(100% - 24px))}.tabs-more{position:absolute;right:0;top:50%;transform:translateY(calc(-50% - 2px));width:48px;height:48px;border-radius:50%;border:2px solid var(--mp-line-strong);background:var(--mp-card);color:var(--mp-ink);display:grid;place-items:center;cursor:pointer;box-shadow:var(--mp-shadow-paper)}.tabs-more:hover{border-color:var(--mp-ink2)}.tabs-more:focus-visible{outline:3px solid var(--mp-leaf);outline-offset:2px}.subject-tab{display:inline-flex;align-items:center;gap:8px;min-height:56px;padding:6px 16px 6px 8px;border-radius:var(--mp-radius-pill);border:2px solid var(--mp-line);background:var(--mp-card);color:var(--mp-ink);text-decoration:none;font-weight:700;white-space:nowrap;flex:none}.subject-tab:hover{border-color:var(--subj)}.subject-tab.is-on{background:var(--subj-tint);border-color:var(--subj);color:var(--subj-ink);box-shadow:0 3px 0 var(--subj-soft)}.kidmap-body{flex:1 0 420px;min-height:420px;display:grid;grid-template-columns:minmax(0,1fr);grid-template-rows:minmax(0,1fr)}.map-card{position:relative;min-height:0;border-radius:var(--mp-radius-xl);overflow:hidden;box-shadow:var(--mp-shadow-raised);background:var(--ui-sea);display:flex;flex-direction:column}.map-seg{position:absolute;z-index:6;top:12px;right:12px}.next-card{display:flex;flex-direction:column;gap:8px}.next-card .btn{margin-top:6px}.next-row{display:flex;gap:12px;align-items:center}.next-icon{display:grid;place-items:center;width:52px;height:52px;border-radius:50%;background:var(--sub-soft);color:var(--sub-deep);flex:none}.next-title{margin:0;font-size:1.4rem;line-height:1.15}.next-domain{margin:0;color:var(--mp-ink2);font-size:.95rem}.next-desc{margin:0;color:var(--mp-ink2)}.dots{display:flex;gap:8px}.dots span{width:16px;height:16px;border-radius:50%;border:2px solid var(--mp-line-strong);background:var(--mp-paper)}.dots span.on{background:var(--mp-green);border-color:var(--mp-green-ink)}.map-key ul{list-style:none;padding:0;margin:6px 0 0;display:grid;gap:4px}.map-key li{display:flex;align-items:center;gap:10px;font-size:.98rem}.map-overlay-next{position:absolute;z-index:6;left:10px;right:10px;bottom:10px}.map-overlay-next .card{padding:12px 14px;box-shadow:var(--mp-shadow-raised);display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:4px 12px}.map-overlay-next .card>*{grid-column:1}.map-overlay-next .eyebrow{grid-row:1;margin:0}.map-overlay-next .next-row,.map-overlay-next .next-title{grid-row:2}.map-overlay-next .next-icon{width:40px;height:40px}.map-overlay-next .next-title{font-size:1.1rem}.map-overlay-next .card .btn{grid-column:2;grid-row:1 / span 2;margin:0;padding:10px 18px}.map-overlay-next .dots{display:none}.map-overlay-next .card .btn{min-height:56px}.map-keypop{position:absolute;right:68px;bottom:0;width:300px;max-height:min(420px,70vh);overflow:auto;z-index:8;border-radius:var(--mp-radius-lg);box-shadow:var(--mp-shadow-raised)}.map-keypop .card{margin:0;box-shadow:none}@media (min-width: 700px){.map-overlay-next{left:16px;right:auto;bottom:16px;width:min(440px,calc(100% - 120px))}.map-overlay-next .dots{display:flex;grid-row:3}.kidmap{gap:10px;padding-top:12px}.kid-head h1{font-size:2rem}}.kidpage{width:100%;max-width:980px;margin:0 auto;padding:24px clamp(16px,4vw,40px) 40px}.kidpage-head{display:flex;align-items:center;gap:16px;margin-bottom:20px}.kidpage-head p{margin:0;color:var(--mp-ink2);font-size:var(--mp-text-body-lg)}.empty{display:flex;flex-direction:column;align-items:center;gap:16px}.stars-sec{margin-bottom:24px}.stars-sec h2{display:flex;align-items:center;gap:10px;color:var(--sub-deep)}.stars-grid{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(min(220px,100%),1fr));gap:12px}.star-card{display:flex;align-items:center;gap:12px;min-height:76px;padding:12px 16px;background:var(--mp-card);border-radius:var(--mp-radius-md);border:2px solid var(--mp-line);box-shadow:var(--mp-shadow-press);color:var(--mp-ink);text-decoration:none;font-weight:700;line-height:1.25}.break-page{display:flex;flex-direction:column;align-items:center;text-align:center;gap:4px}.break-ideas{text-align:left;font-size:var(--mp-text-kid);line-height:var(--mp-leading-kid);margin:8px 0 16px}.map-wrap{position:relative;flex:1;min-height:0;background:var(--mp-card)}.map-canvas{position:absolute;inset:0 68px 0 0;border-right:2px solid var(--mp-line);touch-action:none;cursor:grab;user-select:none;-webkit-user-select:none}.map-canvas:active{cursor:grabbing}.map-canvas:focus-visible{box-shadow:inset 0 0 0 4px var(--mp-leaf);border-radius:0}.map-svg{display:block}.island-banner-bg{fill:var(--ui-label-bg);stroke:var(--sub);stroke-width:3;filter:drop-shadow(0 2px 3px rgba(17,24,39,.16))}.island-flag{fill:var(--sub)}.island-title{font-family:var(--mp-font-display);font-variation-settings:var(--mp-display-settings);font-weight:850;fill:var(--sub-deep)}.trail{fill:none;transition:opacity var(--base)}.trail path{fill:none;stroke-linecap:round}.trail-under{stroke:var(--map-trail-bed);stroke-width:9}.trail-top{stroke:var(--map-trail);stroke-width:3.5;stroke-dasharray:2 9}.trail.is-soft .trail-under{stroke-width:6}.trail.is-soft .trail-top{stroke-width:2.5;opacity:.75}.trail.is-open .trail-top{stroke:var(--sub);stroke-dasharray:12 8;stroke-width:4.5}.trail.is-partial .trail-top{stroke:var(--sub);stroke-dasharray:4 8}.trail.is-done .trail-top{stroke:var(--mp-green);stroke-dasharray:none;stroke-width:5}.trail.is-done .trail-under{stroke:var(--map-trail-done-bed);stroke-width:11}.trail.is-hl .trail-top{stroke:var(--mp-ink);stroke-dasharray:none;stroke-width:4.5;opacity:1}.trail.is-dim{opacity:.25}.node{cursor:pointer;outline:none}.node-hit{fill:transparent}.node-ring{fill:none;stroke:var(--mp-green);stroke-width:6;stroke-linecap:round}.node-focus{fill:none;stroke:var(--map-node-rim);stroke-width:2.5}.node.st-locked .node-focus{stroke:var(--map-node-rim-locked)}.node:focus-visible .node-focus{stroke:var(--mp-leaf);stroke-width:5}.node:hover use{filter:brightness(1.04) drop-shadow(0 3px 4px rgba(17,24,39,.18))}.node-label rect{fill:var(--ui-label-bg);stroke:var(--ui-label-line);stroke-width:1.5}.node-label text{font-family:var(--mp-font-body);font-weight:700;font-size:14px;fill:var(--mp-ink)}.node.st-locked .node-label text{fill:var(--mp-ink3)}.node.st-locked .node-label rect{fill:var(--ui-label-locked)}.node-halo{pointer-events:none;fill:none;stroke:var(--sub);stroke-width:4;stroke-dasharray:10 8;transform-box:fill-box;transform-origin:center;animation:spin 14s linear infinite}.node.is-dim{opacity:.35}.map-exe{pointer-events:none}.map-islands{position:absolute;z-index:5;left:0;top:0;right:0;height:max(68px,calc(36px + 1.6em));display:flex;align-items:center;gap:8px;overflow-x:auto;padding:0 168px 0 12px;scrollbar-width:none;background:var(--mp-card);border-bottom:2px solid var(--mp-line);-webkit-mask-image:linear-gradient(90deg,#000 calc(100% - 192px),transparent calc(100% - 168px));mask-image:linear-gradient(90deg,#000 calc(100% - 192px),transparent calc(100% - 168px))}.map-wrap:has(.map-islands) .map-canvas{top:max(68px,calc(36px + 1.6em))}.map-islands::-webkit-scrollbar{display:none}.map-islands .chip{flex:none;min-height:44px;font-size:15px;font-weight:700;white-space:nowrap;border:2px solid var(--mp-line);background:var(--mp-paper);color:var(--sub-deep);box-shadow:none}.map-controls{position:absolute;z-index:7;right:8px;bottom:16px;display:flex;flex-direction:column;gap:8px}.seg{display:inline-flex;background:var(--ui-glass);border-radius:var(--mp-radius-pill);padding:4px;flex:none;box-shadow:0 1px 3px #1118271f}.seg button{border:0;background:transparent;min-height:44px;min-width:56px;padding:6px 14px;border-radius:var(--mp-radius-pill);font-weight:700;cursor:pointer;color:var(--mp-ink2)}.seg button[aria-pressed=true]{background:var(--mp-ink);color:var(--mp-paper)}.maplist{flex:1;overflow-y:auto;padding:max(72px,calc(40px + 1.6em)) clamp(12px,3vw,28px) 32px;background:var(--mp-paper)}.maplist-sec{max-width:900px;margin:0 auto 20px;background:var(--mp-card);border-radius:var(--mp-radius-lg);padding:18px;box-shadow:var(--mp-shadow-paper)}.maplist-sec h2{color:var(--sub-deep);display:flex;flex-wrap:wrap;gap:8px;justify-content:space-between;align-items:baseline;font-size:1.4rem}.maplist-sec h2 small{font-family:var(--mp-font-body);font-size:.9rem;color:var(--mp-ink2)}.maplist-sec ul{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(min(260px,100%),1fr));gap:6px}.maplist-item{display:flex;align-items:center;gap:10px;padding:6px 10px;min-height:56px;border-radius:var(--mp-radius-md);text-decoration:none;color:var(--mp-ink)}.maplist-item:hover{background:var(--sub-soft)}.maplist-name{flex:1;min-width:0;font-weight:700;line-height:1.25}.maplist-tag{font-size:.8rem;font-weight:700;color:var(--mp-ink2)}.topic-hero{display:flex;gap:20px;align-items:center;margin:4px 0 24px}.topic-disc{flex:none;display:grid;place-items:center}.topic-meta{color:var(--sub-deep);font-weight:700;margin-bottom:4px}.topic-hero h1{margin-bottom:.25em}.topic-grid{display:grid;grid-template-columns:minmax(0,1fr) 360px;gap:24px;align-items:start}.topic-main>.card+.card,.topic-main>.notice+.card{margin-top:20px}.topic-side{position:sticky;top:16px}.checklist{padding:0;margin:0;list-style:none;display:grid;gap:8px}.checklist li{position:relative;padding-left:32px}.checklist li:before{content:"";position:absolute;left:2px;top:.25em;width:20px;height:20px;border-radius:6px;background:var(--sub-soft);border:2px solid var(--sub)}.whylist{list-style:none;padding:0;margin:0;display:grid;gap:4px}.why{display:flex;gap:12px;align-items:center;min-height:64px;padding:10px 12px;margin:0 -12px;border-radius:var(--mp-radius-md)}.why-text{display:flex;flex-direction:column;flex:1;min-width:0}.why-link{color:var(--mp-ink);text-decoration:none}.why-link:hover{background:var(--mp-paper)}.why-link:focus-visible{border-radius:var(--mp-radius-md)}.why-go{flex:none;color:var(--mp-ink3)}.why-dot{display:grid;place-items:center;width:36px;height:36px;border-radius:50%;background:var(--mp-paper2);color:var(--mp-ink2);flex:none}.why-dot.is-done{background:var(--mp-green-ink);color:var(--ui-on-success)}.why-name{margin:0;font-weight:700}.why-tag{font-weight:700;color:var(--mp-ink2);background:var(--mp-paper2);border-radius:99px;padding:2px 10px;margin-left:4px;font-size:.8rem;white-space:nowrap}.why-tag.is-done{background:var(--ui-gold-soft);color:var(--ui-gold-ink)}.why-tag.is-along{background:var(--mp-leaf-soft);color:var(--mp-leaf)}.why-reason{margin:2px 0 0;color:var(--mp-ink2);display:block}.why-name{display:block}.why-tile{display:grid;place-items:center;width:36px;height:36px;flex:none}.why-state{font-weight:700;border-radius:99px;padding:2px 10px;margin-left:4px;font-size:.8rem;white-space:nowrap;color:var(--mp-ink2);background:var(--mp-paper2)}.why-state.is-open{background:var(--mp-leaf-soft);color:var(--mp-leaf)}.why-state.is-done{background:var(--ui-gold-soft);color:var(--ui-gold-ink)}.why-state.is-locked{background:var(--mp-paper2);color:var(--mp-ink2)}.practice-panel{display:flex;flex-direction:column;align-items:center;text-align:center;gap:6px}.practice-panel h2{margin-top:4px}.practice-panel .btn{width:100%;margin-top:8px}.practice-panel.is-preview{box-shadow:none;border:2px dashed var(--mp-line-strong)}.mini-list{text-align:left;align-self:stretch;margin:0;padding-left:20px}.mastery-dots{display:flex;gap:8px}.mastery-dots span{width:18px;height:18px;border-radius:50%;background:var(--mp-paper);border:2px solid var(--mp-line-strong)}.mastery-dots .is-ok{background:var(--mp-green);border-color:var(--mp-green-ink)}.mastery-dots .is-tried{background:var(--mp-paper2)}.practice{width:100%;max-width:1180px;margin:0 auto;padding:0 clamp(14px,3vw,32px) 32px}.practice-top{position:relative;display:flex;align-items:center;gap:12px;padding:16px 0 20px}.practice-top .round-dots{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%)}.practice-top .practice-crumb{max-width:calc(50% - 136px)}.practice-top>.iconbtn:last-child{margin-left:auto}.practice-crumb{display:flex;align-items:center;gap:10px;min-width:0;flex:1;text-decoration:none;color:var(--sub-deep);min-height:48px}.practice-crumb h1{font-family:var(--mp-font-body);font-variation-settings:normal;font-weight:700;font-size:1.1rem;margin:0}.practice-mode{font-weight:700;color:var(--mp-ink2);font-size:.95rem}.round-dots{display:flex;gap:8px;align-items:center}.round-dots span{width:16px;height:16px;border-radius:50%;border:2px solid var(--mp-line-strong);background:var(--mp-paper2)}.round-dots .is-ok{background:var(--mp-green);border-color:var(--mp-green-ink)}.round-dots .is-tried{background:var(--mp-paper)}.round-dots .is-current{background:var(--mp-card);border:3px solid var(--mp-action);width:18px;height:18px}.round-count{font-family:var(--mp-font-numeric);font-variant-numeric:tabular-nums;white-space:nowrap}.practice{display:flex;flex-direction:column;min-height:100dvh}.practice-main{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:24px;align-items:center;align-content:center;flex:1;width:100%;max-width:1040px;margin:0 auto;padding-bottom:32px}.qcard-actions{margin-top:18px}.qcard-actions .btn{width:100%;max-width:680px;scroll-margin-block:12px}.qcard{min-width:0;background:var(--mp-card);border:1px solid var(--mp-line);border-radius:var(--mp-radius-xl);box-shadow:var(--mp-shadow-raised);padding:clamp(20px,4vw,40px);text-align:center}.q-prompt{font-size:var(--mp-text-h2);line-height:1.2;margin:0 auto;max-width:24ch}.q-display{font-family:var(--mp-font-display);font-variation-settings:var(--mp-display-settings);font-weight:850;font-size:clamp(2rem,1.4rem + 3vw,3.2rem);margin:.3em 0 0;font-variant-numeric:tabular-nums}.q-display mark{background:transparent;color:var(--ui-mark);padding:0 .06em}.q-visual{margin:20px auto 0;max-width:520px;padding:16px;background:var(--ui-visual-bg);color:var(--ui-visual-ink);border-radius:var(--mp-radius-lg);box-shadow:inset 0 -4px 0 var(--ui-visual-edge)}.vis{width:100%;height:auto;max-height:260px}.vis-clock,.vis-sq{max-width:240px}.answer-area{margin-top:22px}.hint-btn{margin-top:18px}.hint-pill{display:inline-block;margin:18px auto 0;background:var(--mp-hint-soft);color:var(--mp-hint);border:2px solid var(--ui-hint-line);border-radius:var(--mp-radius-pill);padding:8px 18px;font-weight:700;max-width:100%}.typed{display:grid;grid-template-columns:minmax(0,1fr);gap:12px;max-width:420px;margin:0 auto}.typed-field{display:flex;align-items:center;background:var(--ui-surface);border:3px solid var(--ui-control-edge);border-radius:var(--mp-radius-lg);padding:0 16px;transition:border-color var(--fast)}.typed-field:focus-within{border-color:var(--mp-leaf);box-shadow:var(--mp-shadow-focus)}.typed-field.is-ok{border-color:var(--mp-success);background:var(--mp-success-soft)}.typed-field.is-miss{border-color:var(--ui-hint-edge);background:var(--mp-hint-soft)}.typed-input{flex:1;min-width:0;width:100%;border:0;background:transparent;font-family:var(--mp-font-numeric);font-weight:800;font-size:2.4rem;text-align:center;padding:8px 0;outline:none;font-variant-numeric:tabular-nums}.typed-input:focus-visible{box-shadow:none}.typed-input::placeholder{color:var(--ui-placeholder);font-size:1.4rem}.typed-affix{font-family:var(--mp-font-display);font-size:1.8rem;color:var(--mp-ink2)}.keypad{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}.keypad button,.keypad-extras button{min-height:var(--mp-tap-kid);border-radius:var(--mp-radius-md);border:2px solid var(--ui-control-edge);background:var(--ui-surface);color:var(--mp-ink);box-shadow:var(--mp-shadow-press);font-family:var(--mp-font-numeric);font-weight:800;font-size:1.7rem;font-variant-numeric:tabular-nums;cursor:pointer;transition:transform 80ms}.keypad button:active{transform:translateY(3px);box-shadow:0 1px 0 var(--mp-press-edge)}.keypad .key-alt{background:var(--mp-paper2)}.keypad-extras{display:flex;gap:10px}.keypad-extras button{flex:1}.choices{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(160px,100%),1fr));gap:14px;max-width:680px;margin:0 auto}.choices-long{grid-template-columns:1fr}.choice{min-height:88px;padding:12px 18px;border-radius:var(--mp-radius-md);border:2px solid var(--ui-control-edge);background:var(--ui-surface);color:var(--mp-ink);cursor:pointer;font-weight:700;font-size:32px;line-height:1.25;box-shadow:var(--mp-shadow-press);transition:transform var(--fast),border-color var(--fast),background var(--fast)}.choices-row .choice{font-family:var(--mp-font-numeric);font-weight:800;font-variant-numeric:tabular-nums}.practice .choices-row .choice:not(.is-num){font-family:var(--mp-font-body);font-variation-settings:normal;font-weight:700;font-size:28px;line-height:1.2;font-variant-numeric:normal}.choices-long .choice{font-size:var(--mp-text-kid)}.choice:hover:not(:disabled){border-color:var(--sub)}.choice:active:not(:disabled){transform:translateY(3px);box-shadow:0 1px 0 var(--mp-press-edge)}.choice:disabled{cursor:default}.choice.is-ok{border-color:var(--mp-success);background:var(--mp-success-soft);box-shadow:0 4px 0 var(--mp-success)}.choice.is-miss{border:2px dashed var(--ui-hint-edge);background:var(--mp-hint-soft);color:var(--mp-hint);box-shadow:none}.choice.is-faded{opacity:.55}.is-young .keypad button,.is-young .order-tile,.is-young .match-tile{min-height:var(--mp-tap-kid-young)}.is-young .choice{min-height:max(88px,var(--mp-tap-kid-young))}.is-young .choices-row .choice{min-width:var(--mp-tap-kid-young);font-size:2.3rem}.order-slots{list-style:none;padding:12px;margin:0 0 14px;display:flex;flex-wrap:wrap;gap:8px;min-height:84px;border-radius:var(--mp-radius-lg);background:var(--mp-paper2);justify-content:center}.order-slots li{min-width:0;max-width:100%}.order-slots.is-ok{background:var(--mp-success-soft)}.order-slots.is-miss{background:var(--mp-hint-soft)}.order-empty{display:grid;place-items:center;min-width:56px;min-height:56px;border-radius:var(--mp-radius-md);border:2px dashed var(--mp-line-strong);color:var(--mp-ink3);font-weight:700}.order-pool{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-bottom:14px;min-height:64px}.order-tile{min-height:var(--mp-tap-kid);padding:8px 18px;border-radius:var(--mp-radius-md);border:2px solid var(--ui-control-edge);background:var(--ui-surface);color:var(--mp-ink);font-weight:700;font-size:1.15rem;cursor:pointer;box-shadow:var(--mp-shadow-press)}.order-tile.is-placed{border-color:var(--sub)}.match-cols{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:14px;margin-bottom:14px}.match-col{display:grid;gap:10px;align-content:start;min-width:0}.match-tile{min-height:var(--mp-tap-kid);padding:8px 12px;border-radius:var(--mp-radius-md);border:3px solid var(--ui-control-edge);background:var(--ui-surface);color:var(--mp-ink);font-weight:700;cursor:pointer;font-size:1.05rem}.match-tile.is-sel{border-color:var(--pc);box-shadow:0 0 0 4px color-mix(in srgb,var(--pc) 25%,transparent)}.match-tile.is-paired{border-color:var(--pc);background:color-mix(in srgb,var(--pc) 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p{margin:0;position:relative;z-index:1}.bubble-small{margin-top:6px!important;font-size:.95rem;color:var(--mp-ink2)}.exe-big{margin-top:6px}.done-card{display:flex;gap:16px;align-items:flex-start;margin-top:20px}.celebrate{position:fixed;inset:0;z-index:50;display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,400px);gap:32px;align-items:center;padding:clamp(16px,4vw,56px);background:radial-gradient(circle at 32% 48%,var(--ui-celebrate-a),var(--ui-celebrate-b));overflow-y:auto;animation:fade var(--base) ease-out}.celebrate-rays{position:fixed;inset:-50%;background:repeating-conic-gradient(from 0deg at 50% 50%,var(--ui-rays) 0 9deg,transparent 9deg 22deg);pointer-events:none;animation:spin 80s linear infinite}.celebrate-hero{position:relative;z-index:52;display:flex;flex-direction:column;align-items:center;text-align:center}.celebrate-hero .celebrate-badge,.celebrate-hero .rosette{animation:pop var(--mp-motion-slow) var(--spring) 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