[data-skin=playful] .ant-btn{border-radius:999px;font-family:var(--font-display);font-weight:800;letter-spacing:.01em;border:0;transition:transform .12s cubic-bezier(.34,1.56,.64,1),box-shadow .12s ease,background-color .15s ease,color .15s ease}[data-skin=playful] .ant-btn-primary:not(:disabled){background:linear-gradient(180deg,color-mix(in srgb,var(--orange) 70%,#fff) 0%,var(--orange) 100%);color:#fff;box-shadow:0 4px 0 var(--orange-2)}[data-skin=playful] .ant-btn-primary:not(:disabled):hover{background:linear-gradient(180deg,color-mix(in srgb,var(--orange) 60%,#fff) 0%,var(--orange) 100%);transform:translateY(-1px);box-shadow:0 5px 0 var(--orange-2)}[data-skin=playful] .ant-btn-primary:not(:disabled):active{transform:translateY(3px);box-shadow:0 1px 0 var(--orange-2)}[data-skin=playful] .ant-btn-primary:disabled{background:color-mix(in srgb,var(--orange) 35%,#fff);color:#fff;box-shadow:none}[data-skin=playful] .ant-btn-default{background:var(--surface);color:var(--text);border:2px solid var(--control);box-shadow:none}[data-skin=playful] .ant-btn-default:not(:disabled):hover{color:var(--orange-2);border-color:var(--orange);background:var(--surface)}[data-skin=playful] .ant-btn-default:not(:disabled):active{transform:scale(.97)}[data-skin=playful] .ant-btn-lg{height:52px;padding-inline:26px;font-size:17px}[data-skin=playful] .ant-btn-sm{height:32px;font-size:13px;padding-inline:14px}[data-skin=playful] .ant-btn-sm.ant-btn-primary:not(:disabled){box-shadow:0 3px 0 var(--orange-2)}[data-skin=playful] .ant-btn-text,[data-skin=playful] .ant-btn-link{font-weight:700;box-shadow:none;background:transparent}[data-skin=playful] .ant-btn-text:not(:disabled):active,[data-skin=playful] .ant-btn-link:not(:disabled):active{transform:scale(.95)}[data-skin=playful] .ant-btn-dangerous.ant-btn-primary:not(:disabled){background:linear-gradient(180deg,#ff8a8a,var(--negative));box-shadow:0 5px #9c2f2f,inset 0 2px #ffffff59}[data-skin=playful] .ant-card{border-radius:26px;border:var(--edge);box-shadow:var(--lift)}[data-skin=playful] .ant-progress-line .ant-progress-inner{border-radius:999px;background:var(--surface-2);box-shadow:inset 0 1px 2px #2b2b2b14}[data-skin=playful] .ant-progress-line .ant-progress-bg{border-radius:999px;transition:width .6s cubic-bezier(.22,1,.36,1)}[data-skin=playful] .ant-tag{border-radius:999px;border:0;font-family:var(--font-display);font-weight:700;padding-inline:10px}[data-skin=playful] .ant-input,[data-skin=playful] .ant-input-affix-wrapper,[data-skin=playful] .ant-select-selector{background:var(--surface);border-color:var(--control);border-width:2px;font-weight:600}[data-skin=playful] .ant-input:focus,[data-skin=playful] .ant-input-affix-wrapper-focused{box-shadow:0 0 0 3px var(--accent-tint)}[data-skin=playful] .ant-segmented{border-radius:999px;background:var(--surface-2);padding:4px;font-family:var(--font-display);font-weight:700}[data-skin=playful] .ant-segmented .ant-segmented-item,[data-skin=playful] .ant-segmented .ant-segmented-thumb,[data-skin=playful] .ant-segmented .ant-segmented-item-selected{border-radius:999px;box-shadow:none}[data-skin=playful] .ant-segmented .ant-segmented-item-selected{background:var(--surface);color:var(--orange-2)}[data-skin=playful] .ant-tabs .ant-tabs-tab{font-family:var(--font-display);font-weight:700}[data-skin=playful] .ant-tabs .ant-tabs-ink-bar{height:4px;border-radius:999px}[data-skin=playful] .ant-modal .ant-modal-content{border-radius:26px;box-shadow:0 30px 60px -24px #2b2b2b66}[data-skin=playful] .ant-table-thead>tr>th{background:var(--surface);font-weight:500}[data-skin=playful] .ant-table-tbody>tr>td{border-color:var(--rule, var(--border))}@keyframes pf-pop{0%{transform:scale(.7);opacity:0}55%{transform:scale(1.08);opacity:1}to{transform:scale(1)}}@keyframes pf-bob{0%,to{transform:translateY(0)}50%{transform:translateY(-5px)}}@keyframes pf-shake{0%,to{transform:translate(0)}20%{transform:translate(-5px)}40%{transform:translate(5px)}60%{transform:translate(-3px)}80%{transform:translate(3px)}}@keyframes pf-confetti{0%{transform:translate(0) rotate(0);opacity:1}to{transform:translate(var(--dx),var(--dy)) rotate(720deg);opacity:0}}@keyframes pf-pulse-ring{0%{box-shadow:0 0 0 0 var(--accent-tint)}to{box-shadow:0 0 0 14px transparent}}@keyframes pf-nod{0%,to{transform:rotate(0)}30%{transform:rotate(-6deg)}70%{transform:rotate(6deg)}}@media(prefers-reduced-motion:no-preference){.pf-pop{animation:pf-pop .24s cubic-bezier(.34,1.56,.64,1) both}.pf-shake{animation:pf-shake .36s ease both}.pf-pulse{animation:pf-pulse-ring 1.3s ease-out infinite}.pf-nod{animation:pf-nod .5s ease-in-out;transform-origin:50% 100%}.pf-bob{animation:pf-bob 2.2s ease-in-out infinite}}:root,[data-skin=playful]{--orange: var(--ui-color-cta, #f47a20);--orange-2: var(--ui-color-secondary, #c85f0f);--orange-soft: var(--ui-learner-accent-soft, #fde7d6);--peach: var(--ui-learner-peach, #ffd9bd);--char: var(--ui-learner-char, #2b2b2b);--char-2: #111111;--mint: var(--ui-learner-mint, #d6f0e3);--mint-2: var(--ui-learner-mint-deep, #7fcba3);--mint-ink: var(--ui-learner-mint-ink, #1f6a46);--sky: var(--ui-learner-sky, #cfe6f5);--sky-2: var(--ui-learner-sky-deep, #6fb3dd);--rose: var(--ui-learner-rose, #ffd3e0);--lilac: var(--ui-learner-lilac, #e3d9f7);--sun: var(--ui-learner-sun, #ffe3a0);--sun-soft: var(--ui-learner-sun-soft, #fff3c4);--ground: var(--ui-learner-ground, #fff7f0);--ground-2: #fff1e4;--surface: #ffffff;--surface-2: var(--ui-color-fill, #fff3ea);--border: var(--ui-color-border, #f1e3d6);--control: var(--ui-color-accent-medium, #e6d2c0);--text: var(--ui-color-text, #3a2e28);--muted: var(--ui-color-text-secondary, #7a6a60);--faint: var(--ui-learner-faint, #93847a);--accent: var(--orange);--accent-ink: #ffffff;--accent-tint: var(--orange-soft);--positive: var(--ui-color-success, #2e8b57);--negative: var(--ui-color-error, #d64545);--warning: var(--ui-color-warning, #b26a00);--pill-positive-bg: var(--mint);--pill-positive-ink: var(--mint-ink);--pill-negative-bg: #ffe1e1;--pill-negative-ink: #8f2626;--pill-warning-bg: var(--sun);--pill-warning-ink: #7a4b00;--pill-neutral-bg: #f3ece6;--pill-neutral-ink: #4a443f;--skill-vocabulary: #8a6fe8;--skill-vocabulary-bg: var(--lilac);--skill-grammar: #3f9fd6;--skill-grammar-bg: var(--sky);--skill-listening: #f47a20;--skill-listening-bg: var(--peach);--skill-reading: #3fa874;--skill-reading-bg: var(--mint);--skill-writing: #e8608f;--skill-writing-bg: var(--rose);--skill-speaking: #e0a51a;--skill-speaking-bg: var(--sun);--lift: 0 8px 24px -16px rgba(80, 50, 30, .25);--lift-sm: 0 4px 12px -8px rgba(80, 50, 30, .18);--edge: 1px solid var(--border);--gloss: inset 0 2px 0 rgba(255, 255, 255, .4);--radius-card: var(--ui-radius-card, 26px);--radius-inner: var(--ui-radius-control, 18px);--radius-control: 999px;--gap: 16px;--pad: 20px;--row-height: 64px;--control-height: 44px;--sidebar-width: 236px;--font: var(--ui-font-body, "Quicksand", "Nunito", system-ui, sans-serif);--font-display: var(--ui-font-display, "Baloo 2", "Quicksand", system-ui, sans-serif);--font-serif: var(--font-display);--fs-title: 40px;--fs-h2: 26px;--fs-section: 15px;--fs-kpi: 34px;--fs-body: 15px;--fs-small: 12.5px;--ease-out: cubic-bezier(.22, 1, .36, 1);--spring: cubic-bezier(.34, 1.56, .64, 1);--color-primary: var(--orange);--color-primary-hover: var(--orange-2);--color-cta: var(--orange);--color-cta-hover: var(--orange-2);--color-border: var(--border);--color-fill: var(--surface-2);--color-text: var(--text);--color-text-secondary: var(--muted);--color-text-muted: var(--faint);--color-success: var(--positive);--color-warning: var(--warning);--color-error: var(--negative)}[data-brand=vmb] .seed--current,[data-brand=vmb] .mic,[data-brand=vmb] .bubble--me{background:linear-gradient(180deg,#2a86d1,var(--orange))}[data-brand=vmb] .avatar{background:linear-gradient(180deg,#d6f5d7,#8fe58f)}[data-brand=vmb] .week__drop--done{background:linear-gradient(180deg,#8fe58f,#16b21a)}[data-brand=vmb] .speaker--lg{background:linear-gradient(180deg,#8fe58f,#16b21a);box-shadow:0 8px #0f8a13,var(--gloss)}.brand-switch{display:grid;grid-template-columns:1fr 1fr;gap:4px;padding:4px;border-radius:999px;background:var(--surface-2)}.brand-switch button{height:32px;border:0;border-radius:999px;background:transparent;color:var(--muted);font-family:var(--font-display);font-weight:800;font-size:14px;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;gap:6px;transition:transform .12s var(--spring)}.brand-switch button:active{transform:scale(.95)}.brand-switch button[aria-pressed=true]{background:var(--surface);color:var(--text);box-shadow:var(--lift-sm)}.brand-switch i{width:10px;height:10px;border-radius:50%;display:inline-block}*,*:before,*:after{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{background:var(--ground);color:var(--text);font:500 var(--fs-body) / 22px var(--font);-webkit-font-smoothing:antialiased}h1,h2,h3,h4,p{margin:0}h1,h2,h3,h4{font-family:var(--font-display);font-weight:800;letter-spacing:-.01em}button{font:inherit;color:inherit}:focus-visible{outline:3px solid var(--sky-2);outline-offset:2px;border-radius:8px}.num{font-variant-numeric:tabular-nums}.muted{color:var(--muted)}.small{font-size:var(--fs-small);line-height:17px}.serif{font-family:var(--font-display);font-weight:800}.learner-sidebar{box-sizing:border-box;position:sticky;top:16px;display:flex;flex-direction:column;gap:4px;margin:16px 0 16px 16px;height:calc(100svh - 32px);padding:20px 14px 14px;border-radius:var(--radius-card);background:var(--surface);box-shadow:var(--lift)}.learner-brand{display:flex;align-items:center;gap:10px;padding:4px 10px 22px;color:var(--text);text-decoration:none;font-family:var(--font-display);font-weight:800;font-size:18px}.learner-brand__mark{width:26px;height:26px;flex:none}.learner-nav{display:flex;flex-direction:column;gap:4px}.learner-nav__item{display:flex;align-items:center;gap:12px;height:44px;padding:0 14px;border-radius:999px;color:var(--muted);font-family:var(--font-display);font-weight:700;font-size:15px;text-decoration:none;transition:background .16s ease,color .16s ease,transform .12s var(--spring)}.learner-nav__item:hover{background:var(--surface-2);color:var(--text)}.learner-nav__item:active{transform:scale(.97)}.learner-nav__item--active{background:var(--orange-soft);color:var(--orange-2)}.learner-sidebar{border:var(--edge)}.learner-nav__icon{width:18px;height:18px;display:inline-flex;font-size:18px}.learner-sidebar__foot{flex:none;display:flex;flex-direction:column;gap:8px;padding-top:10px;border-top:1px dashed var(--border)}.learner-day{display:grid;grid-template-columns:auto 1fr;column-gap:10px;row-gap:6px;padding:12px 14px;border-radius:var(--radius-inner);background:var(--surface-2);font-size:13px;color:var(--muted);white-space:nowrap}.learner-day b{font-family:var(--font-display);font-weight:800;color:var(--text);font-variant-numeric:tabular-nums;text-align:right}.learner-user{display:flex;align-items:center;gap:10px;padding:8px;border-radius:999px;cursor:pointer;color:var(--text)}.learner-user:hover{background:var(--surface-2)}.learner-user__name{font-family:var(--font-display);font-weight:700;font-size:14px}.learner-user__meta{font-size:12.5px;color:var(--muted);white-space:nowrap;display:inline-block;max-width:100%;overflow:hidden;text-overflow:ellipsis;vertical-align:bottom}.avatar{width:36px;height:36px;border-radius:50%;display:grid;place-items:center;background:linear-gradient(180deg,var(--peach),#ffb98a);color:var(--char);font-family:var(--font-display);font-weight:800;font-size:13px;flex:none;box-shadow:var(--gloss)}.avatar--lg{width:72px;height:72px;font-size:24px}.learner-main{min-width:0}.learner-page{max-width:1164px;margin:0 auto;padding:40px 32px 96px}@media(max-width:991px){.learner-phonebar{position:sticky;top:0;z-index:20;display:flex;align-items:center;justify-content:space-between;height:56px;padding:0 8px 0 16px;background:var(--surface);box-shadow:var(--lift-sm)}.learner-page{padding:20px 16px 64px}}.grid12{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:var(--gap)}.span-2{grid-column:span 2}.span-3{grid-column:span 3}.span-4{grid-column:span 4}.span-5{grid-column:span 5}.span-6{grid-column:span 6}.span-7{grid-column:span 7}.span-8{grid-column:span 8}.span-9{grid-column:span 9}.span-10{grid-column:span 10}.span-12{grid-column:span 12}@media(max-width:991px){.span-2,.span-3{grid-column:span 6}.span-4,.span-5,.span-6,.span-7,.span-8,.span-9,.span-10{grid-column:span 12}}.title{margin-bottom:28px}.title h1{font:800 var(--fs-title) / 1.1 var(--font-display);letter-spacing:-.015em}.title__line{margin-top:8px;color:var(--muted);font-size:16px;line-height:24px;max-width:60ch}.title--h2 h1{font-size:var(--fs-h2);line-height:34px}.title--h2{margin-bottom:22px}@media(max-width:991px){.title h1{font-size:28px}.title{margin-bottom:20px}}.panel{background:var(--surface);border-radius:var(--radius-card);padding:var(--pad);min-width:0;box-shadow:var(--lift);border:var(--edge)}.panel .row,.panel .option,.panel .badge{background:#fffdfb}.panel--white{background:var(--surface)}.panel--tint{background:var(--tint, var(--surface))}.panel__head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:14px}.panel__title{font-family:var(--font-display);font-size:17px;font-weight:800;display:flex;align-items:center;gap:8px}.panel__count{font-weight:700;color:var(--muted);font-variant-numeric:tabular-nums;font-size:14px}.panel__link{font-family:var(--font-display);font-weight:700;font-size:14px;color:var(--orange-2);background:transparent;border:1.5px solid var(--border);border-radius:999px;padding:5px 12px;cursor:pointer;transition:transform .12s var(--spring),border-color .12s ease}.panel__link:hover{border-color:var(--orange)}.panel__link:active{transform:scale(.95)}.tile{background:var(--surface);border-radius:var(--radius-card);padding:18px;height:128px;display:flex;flex-direction:column;justify-content:space-between;min-width:0;box-shadow:var(--lift);border:var(--edge)}.tile__label{font-size:13px;color:var(--muted);font-weight:700}.tile__value{font-family:var(--font-display);font-size:var(--fs-kpi);line-height:38px;font-weight:800;font-variant-numeric:tabular-nums;letter-spacing:-.02em}.tile__value small{font-size:15px;color:var(--muted);margin-left:4px;letter-spacing:0;font-weight:700}.tile__caption{font-size:12.5px;color:var(--muted)}.rows{display:flex;flex-direction:column;gap:10px}.row{display:flex;align-items:center;gap:12px;min-height:var(--row-height);padding:10px 14px;border-radius:var(--radius-inner);background:var(--surface);border:var(--edge);box-shadow:none;text-align:left;width:100%;cursor:pointer;color:var(--text);transition:transform .14s var(--spring),box-shadow .14s ease,border-color .14s ease}.row:hover{border-color:var(--control);box-shadow:var(--lift-sm)}.row:active{transform:scale(.98)}.row--static{cursor:default}.row--static:hover,.row--static:active{transform:none}.row--static .row__title{white-space:normal}.learner-setting-row{justify-content:space-between;min-height:40px}.row__icon{width:40px;height:40px;border-radius:12px;display:grid;place-items:center;background:var(--tint, var(--surface-2));color:var(--ink, var(--text));font-size:17px;flex:none}.row__body{flex:1;min-width:0}.row__title{display:block;font-family:var(--font-display);font-size:15px;font-weight:700;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.row__meta{display:block;font-size:12.5px;line-height:17px;color:var(--muted)}.row__end{display:flex;align-items:center;gap:8px;flex:none}.ui-pill{display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;font-family:var(--font-display);font-size:12.5px;font-weight:700;background:var(--pill-neutral-bg);color:var(--pill-neutral-ink);white-space:nowrap}.ui-pill--positive{background:var(--pill-positive-bg);color:var(--pill-positive-ink)}.ui-pill--negative{background:var(--pill-negative-bg);color:var(--pill-negative-ink)}.ui-pill--warning{background:var(--pill-warning-bg);color:var(--pill-warning-ink)}.ui-pill--accent{background:var(--orange-soft);color:var(--orange-2)}.bar{height:8px;border-radius:999px;background:var(--surface-2);overflow:hidden}.bar>i{display:block;height:100%;border-radius:999px;background:var(--ink, var(--orange));transition:width .7s var(--spring)}.bar--lg{height:14px}.garden{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:10px;align-items:end}.plant{display:flex;flex-direction:column;align-items:center;gap:4px;padding:12px 6px 14px;border:var(--edge);background:#fffdfb;border-radius:var(--radius-inner);cursor:pointer;color:var(--text);transition:transform .16s var(--spring),box-shadow .16s ease}.plant:hover{transform:translateY(-3px);box-shadow:var(--lift-sm)}.plant:active{transform:scale(.96)}.plant svg{width:68px;height:84px}.plant__name{font-family:var(--font-display);font-size:14px;font-weight:700}.plant__meta{font-size:12.5px;color:var(--muted);font-variant-numeric:tabular-nums}@media(max-width:767px){.garden{grid-template-columns:repeat(3,1fr)}}.week{display:grid;grid-template-columns:repeat(7,minmax(0,1fr));gap:4px;min-width:0}.week__day{display:flex;flex-direction:column;align-items:center;gap:5px;font-size:12.5px;font-weight:700;color:var(--muted);min-width:0;-webkit-user-select:none;user-select:none}.week__drop{width:100%;max-width:30px;aspect-ratio:1;border-radius:50%;background:var(--surface-2);display:grid;place-items:center;color:var(--muted);font-size:12.5px}.week__drop--done{background:linear-gradient(180deg,#9fd0ee,var(--sky-2));color:#fff}.week__drop--today{box-shadow:0 0 0 2px var(--orange)}.bed{display:flex;flex-direction:column;gap:10px}.bed__head{display:flex;align-items:baseline;justify-content:space-between;gap:12px}.bed__title{font-family:var(--font-display);font-size:15px;font-weight:800}.bed__meta{font-size:12.5px;color:var(--muted);font-variant-numeric:tabular-nums}.seeds{display:flex;flex-wrap:wrap;gap:8px}.seed{display:inline-flex;align-items:center;gap:8px;height:36px;padding:0 14px 0 8px;border-radius:999px;border:var(--edge);background:#fffdfb;font-family:var(--font-display);font-size:13.5px;font-weight:700;color:var(--text);cursor:pointer;transition:transform .14s var(--spring),border-color .14s ease}.seed:hover{border-color:var(--control)}.seed:active{transform:scale(.96)}.seed__dot{width:22px;height:22px;border-radius:50%;display:grid;place-items:center;font-size:12.5px;background:var(--surface-2);color:var(--muted)}.seed--done .seed__dot{background:var(--mint-2);color:#fff}.seed--current{background:var(--orange);border-color:var(--orange);color:#fff;box-shadow:0 3px 0 var(--orange-2)}.seed--current .seed__dot{background:#ffffff4d;color:#fff}.seed--locked{color:var(--faint);cursor:not-allowed;background:var(--surface-2);border-color:transparent}.seed--locked:hover,.seed--locked:active{transform:none}.skill-tile{display:flex;align-items:center;gap:16px;padding:18px;border-radius:var(--radius-card);background:var(--surface);border:var(--edge);text-align:left;cursor:pointer;color:var(--text);width:100%;box-shadow:var(--lift);transition:transform .16s var(--spring)}.skill-tile__art{width:84px;height:84px;border-radius:20px;background:var(--tint, var(--surface-2));display:grid;place-items:center;flex:none}.skill-tile:hover{transform:translateY(-3px)}.skill-tile:active{transform:scale(.98)}.skill-tile 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var(--spring)}.subjects button:active{transform:scale(.96)}.subjects button[aria-pressed=true]{background:var(--orange-soft);color:var(--orange-2);box-shadow:inset 0 0 0 2px var(--orange)}.example{margin:-6px 0 16px;padding:10px 14px;border-radius:14px;background:var(--sun-soft, #fff3c4);border:1px dashed #f0d58a}.example summary{font:800 14px var(--font-display);color:#7a4b00;cursor:pointer}.example p{margin:6px 0 0;font-size:14.5px;line-height:22px}.mastery{display:inline-flex;align-items:center;gap:6px;font:800 12.5px var(--font-display);color:var(--muted)}.ui-plancard__ribbon{position:absolute;top:14px;left:-8px;background:var(--orange);color:#fff;font:800 13px var(--font-display);padding:5px 14px 5px 18px;border-radius:0 999px 999px 0;box-shadow:0 3px 0 var(--orange-2);z-index:1}.ui-upsell__text{font-size:var(--fs-small);line-height:17px}.ui-lb{gap:10px}.ui-lb__row{gap:12px;min-height:var(--row-height);padding:10px 14px;border-radius:var(--radius-inner)}.ui-lb__name{font-size:15px}.ui-lb__meta{font-size:12.5px;line-height:17px}.ui-lb__score{height:24px;padding:0 10px;border-radius:999px;font-size:12.5px;display:inline-flex;align-items:center}.ui-lcard__head{gap:12px}.ui-plans{grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}@media(max-width:991px){.ui-plans{grid-template-columns:1fr}}.ui-ladder-wrap{display:contents}.ui-ring__hole{top:18px;right:18px;bottom:18px;left:18px}[data-ui-preset=modern] .ui-scene__rays,[data-ui-preset=modern] .ui-scene__cloud,[data-ui-preset=modern] .ui-bfly,[data-ui-preset=modern] .ui-scene__fence,[data-ui-preset=modern] .ui-scene__can,[data-ui-preset=modern] .ui-scene__drops,[data-ui-preset=modern] .ui-ring__spark{display:none}[data-ui-preset=modern] .ui-scene__sun{width:72px;height:72px;box-shadow:none;animation:none}[data-ui-preset=modern] .ui-scene__plant,[data-ui-preset=modern] .ui-scene__mascot,[data-ui-preset=modern] .ui-roadmap__pin{animation:none}[data-ui-preset=modern] .ui-ticket:hover{transform:translateY(-2px)}[data-ui-preset=modern] .ui-scene__go{height:56px;font-size:18px;box-shadow:0 3px 0 var(--orange-2)}[data-ui-preset=modern] h1,[data-ui-preset=modern] h2,[data-ui-preset=modern] h3{font-weight:700;letter-spacing:0}[data-ui-preset=modern] .ui-scene__title{font-weight:700}[data-ui-preset=modern] .ui-scene__mascot{width:120px;height:120px}[data-ui-preset=modern] .ui-scene__bubble{right:130px;bottom:100px}[data-ui-preset=modern] .ui-scene__copy{padding-bottom:170px}[data-ui-preset=modern] .brand__mark{border-radius:10px;box-shadow:none}[data-ui-preset=modern] .learner-nav__item--active{box-shadow:none}[data-ui-preset=modern] .learner-sidebar{background:#fff}[data-ui-sidebar=flat] .learner-sidebar{top:0;margin:0;height:100svh;border-radius:0;box-shadow:none;border-right:1px solid var(--border);background:#fff;padding:18px 14px 14px}[data-ui-sidebar=flat] .brand{padding-bottom:16px}[data-ui-sidebar=flat] .learner-nav__item{height:44px;border-radius:var(--radius-inner)}[data-ui-density=compact] .lcard{padding:12px;border-radius:var(--radius-inner)}[data-ui-density=compact] .lcard__stats{grid-template-columns:1fr;gap:6px;margin-top:10px}[data-ui-density=compact] .st2{padding:6px 10px}[data-ui-density=compact] .tip{padding:10px;border-radius:var(--radius-inner)}[data-ui-density=compact] .tip p{line-height:17px}[data-ui-density=compact] .learner-user__meta{white-space:normal}[data-ui-density=compact] .learner-user .avatar{width:38px;height:38px;border-radius:10px;box-shadow:none}[data-ui-density=compact] .subjects button{height:34px}[data-ui-density=compact] .learner-page{padding-top:24px}[data-ui-density=compact] .sec{margin-top:28px}[data-ui-hero=stacked] .ui-scene{grid-template-columns:1fr}[data-ui-hero=stacked] .ui-scene__copy{padding:36px 40px 24px;max-width:64%}[data-ui-hero=stacked] .ui-scene__right{flex-direction:row;justify-content:flex-start;align-items:center;gap:20px;padding:0 40px 170px}[data-ui-hero=stacked] .ui-scene__mascot{width:110px;height:110px;right:24px;bottom:0}[data-ui-hero=stacked] .ui-scene__bubble{right:140px;bottom:90px}[data-ui-hero=stacked] .ui-scene__sun,[data-ui-hero=stacked] .ui-scene__rays{right:40px;top:28px}[data-ui-hero=stacked] .ui-scene__plants{left:40px}[data-ui-hero=stacked] .chips{justify-content:flex-start}.correction s{text-decoration:line-through}.correction strong{font-family:var(--font-display)}.session-report ul{font-size:14px}.board{flex:none;max-height:55%;overflow:auto;padding:18px 24px 14px;background:#fff;border-bottom:2px dashed var(--border);display:flex;flex-direction:column;gap:14px}.board--compact{padding:14px 16px 12px;gap:10px}.board__head{display:flex;align-items:center;gap:10px}.board__head h3{margin:0;flex:1;min-width:0;font:800 18px var(--font-display);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.board__base{display:flex;flex-wrap:wrap;column-gap:12px;row-gap:30px;padding-bottom:6px;font:700 26px/1.4 var(--font-display)}.board--compact .board__base{font-size:20px;column-gap:8px;row-gap:26px}.board__tok{position:relative}.board__tok--underline{color:var(--orange-2);text-decoration:underline wavy var(--orange);text-underline-offset:7px}.board__tok--strike{color:var(--muted);text-decoration:line-through}.board__tok--circle{border-radius:12px;outline:2px solid var(--orange);outline-offset:3px}.board__tok--bracket{padding:0 5px;box-shadow:inset 2px 0 0 var(--orange),inset -2px 0 0 var(--orange)}.board__label{position:absolute;left:0;top:100%;margin-top:10px;padding:2px 7px;border-radius:8px;white-space:nowrap;font:700 12.5px/16px var(--font-display);color:var(--orange-2);background:var(--orange-soft)}.board__fix{font:700 20px var(--font-display);color:var(--ui-color-success, #2f8f4e)}.board--compact .board__fix{font-size:17px}.board__fix b{text-decoration:underline;text-underline-offset:4px}.board__rule{margin-top:4px;font-size:15px}.board__examples{display:flex;flex-wrap:wrap;gap:8px}.board__examples .chip{height:34px;font-size:14px;padding:0 12px}.board__steps{display:flex;align-items:center;gap:6px}.board__step{width:10px;height:10px;padding:0;border:0;border-radius:50%;background:var(--border);cursor:pointer}.board__step--on{background:var(--orange)}.board__reveal{animation:board-in .3s ease both}@keyframes board-in{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}@media(prefers-reduced-motion:reduce){.board__reveal{animation:none}}.board-card{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:10px 14px;border-radius:14px;border:1px dashed var(--border);background:#fff;font-size:14px}.pf{display:flex;flex-direction:column;gap:8px}.pf__words{display:flex;flex-wrap:wrap;gap:6px}.pf__word{border:0;border-radius:10px;padding:4px 9px;font:700 15px var(--font-display);cursor:pointer;background:var(--surface-2);color:var(--ui-color-success, #2f8f4e)}.pf__word--bad{background:var(--orange-soft);color:var(--orange-2);text-decoration:underline wavy;text-underline-offset:4px}.pf__err{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:13px}.pf--compact .pf__word{font-size:14px;padding:3px 7px}.conv__stage{flex:1;min-height:0;display:flex;flex-direction:column}@media(min-width:768px){.conv__stage--board{flex-direction:row}.conv__stage--board .board{flex:1;min-width:0;max-height:none;border-bottom:0;border-right:2px dashed var(--border)}.conv__list--rail{flex:0 0 260px;padding:12px 14px;gap:10px}.conv__list--rail .conv__msg{gap:6px}.conv__list--rail .conv__avatar{width:24px;height:24px}.conv__list--rail .conv__body{max-width:100%}.conv__list--rail .bubble{font-size:15px;line-height:18px;padding:8px 12px}.conv__list--rail .conv__listen,.conv__list--rail .board-card .ant-btn{display:none}.conv__list--rail .board-card{font-size:12.5px;padding:8px 10px}}.conv__rail-all{border:1px solid var(--border);background:#fff;border-radius:12px;padding:8px 10px;font:700 14px var(--font-display);color:var(--orange-2);cursor:pointer}@media(max-width:991px){.conv:not(.conv--tall){height:calc(100dvh - 160px);min-height:480px}.conv__head{flex-wrap:wrap;gap:8px 10px;padding:12px 16px}.conv__head>.ant-btn:first-child{order:0}.conv__panel-btn{order:1}.conv__head>.ant-btn:last-child{order:2;margin-left:auto}.conv__avatar--lg{order:3;width:36px;height:36px}.conv__title{order:4;flex:1 1 calc(100% - 48px);min-width:0}.conv__title h2{white-space:normal;font-size:17px;line-height:1.3}.conv__list{padding:14px 16px}.conv__ideas,.conv__composer{padding-left:16px;padding-right:16px}}@media(max-width:575px){.conv__head>.ant-btn:last-child{flex:1 1 100%;order:5;margin-left:0}.conv__panel-btn{padding:0 10px;min-width:44px}.conv__panel-btn>span:not(.ant-btn-icon){display:none}}@media(min-width:992px){.chat-page--session{padding-top:32px;padding-bottom:32px}.chat-page--session .conv--tall{height:calc(100vh - 64px)}}.board__items{display:grid;gap:12px}.board__items--side{grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}.board__item{min-width:0}.vocab-card{display:flex;flex-direction:column;gap:4px;padding:12px 14px;border-radius:14px;background:var(--sky)}.vocab-card__head{display:flex;align-items:center;gap:8px}.vocab-card__word{font:800 20px var(--font-display)}.vocab-card--compact .vocab-card__word{font-size:17px}.vocab-card__gloss{font-size:15px}.chat-side__card{display:flex;flex-direction:column;gap:8px;min-height:0;height:100%}.chat-side__card h2{margin:0;font-size:20px}.chat-side__card .ui-lcard__sub{margin:0 0 4px}.chat-side__list .row--active{background:var(--orange-soft);border-color:var(--orange)}.chat-panel .ant-drawer-content-wrapper{width:min(440px,92vw)!important}.chat-panel .ant-drawer-body{display:flex;flex-direction:column;padding:16px}.conv__panel-btn{flex:none}.chat-side__h{margin:0;font-size:15px}.chat-side__list{flex:1;min-height:0;overflow:auto;margin:0 -6px;padding:0 6px}.ui-shell__main:has(>.teach-page){height:100svh;display:flex;flex-direction:column;overflow-y:auto;overflow-x:hidden}:root:is([data-time-of-day=morning],[data-time-of-day=evening],[data-time-of-day=night]){--ground: var(--tod-ground)}:is([data-time-of-day=morning],[data-time-of-day=evening],[data-time-of-day=night]) .ui-scene{background:var(--tod-sky)!important}:is([data-time-of-day=morning],[data-time-of-day=evening],[data-time-of-day=night]) .ui-scene__hills path:nth-of-type(1){fill:var(--tod-hill)}:is([data-time-of-day=morning],[data-time-of-day=evening],[data-time-of-day=night]) .ui-scene__hills path:nth-of-type(2){fill:var(--tod-hill-2)}:is([data-time-of-day=morning],[data-time-of-day=evening],[data-time-of-day=night]) .ui-scene__sun{background:var(--tod-sun);box-shadow:var(--tod-sun-glow)}:is([data-time-of-day=morning],[data-time-of-day=evening],[data-time-of-day=night]) .ui-scene__cloud,:is([data-time-of-day=morning],[data-time-of-day=evening],[data-time-of-day=night]) .ui-scene__cloud:before,:is([data-time-of-day=morning],[data-time-of-day=evening],[data-time-of-day=night]) .ui-scene__cloud:after{background:var(--tod-cloud)}:is([data-time-of-day=morning],[data-time-of-day=evening],[data-time-of-day=night]) .ui-scene__fence i,:is([data-time-of-day=morning],[data-time-of-day=evening],[data-time-of-day=night]) .ui-scene__fence:after{background:var(--tod-fence)}@media(min-width:1201px){[data-time-of-day=morning] :is(.ui-scene__sun,.ui-scene__rays){right:31%;top:130px;width:104px;height:104px}[data-time-of-day=evening] .ui-scene__sun{right:31%;top:190px;width:132px;height:132px}[data-time-of-day=night] .ui-scene__sun{right:31%;top:34px;width:92px;height:92px}}[data-time-of-day=evening] .ui-scene__rays{display:none}[data-time-of-day=evening] .ui-scene__eyebrow{color:var(--tod-eyebrow)!important}[data-time-of-day=night] :is(.ui-scene__rays,.ui-bfly){display:none}[data-time-of-day=night] .ui-scene__sun{animation:none;overflow:hidden}[data-time-of-day=night] .ui-scene__sun:after{content:"";position:absolute;right:-8%;top:-12%;width:78%;height:78%;border-radius:50%;background:var(--tod-moon-shade)}[data-time-of-day=night] .ui-scene__cloud{opacity:.7}[data-time-of-day=night] .ui-scene:before,[data-time-of-day=night] .ui-scene:after{content:"";position:absolute;top:0;right:0;bottom:0;left:0;pointer-events:none}[data-time-of-day=night] .ui-scene:before{z-index:1;background:radial-gradient(circle at 6% 8%,var(--tod-star) 0 2px,transparent 3px),radial-gradient(circle at 14% 22%,var(--tod-star) 0 1.5px,transparent 2.5px),radial-gradient(circle at 22% 6%,var(--tod-star) 0 2px,transparent 3px),radial-gradient(circle at 38% 14%,var(--tod-star) 0 1.5px,transparent 2.5px),radial-gradient(circle at 46% 30%,var(--tod-star) 0 2px,transparent 3px),radial-gradient(circle at 54% 9%,var(--tod-star) 0 1.5px,transparent 2.5px),radial-gradient(circle at 60% 24%,var(--tod-star) 0 2px,transparent 3px),radial-gradient(circle at 74% 30%,var(--tod-star) 0 1.5px,transparent 2.5px),radial-gradient(circle at 84% 8%,var(--tod-star) 0 2px,transparent 3px),radial-gradient(circle at 92% 20%,var(--tod-star) 0 1.5px,transparent 2.5px),radial-gradient(circle at 97% 36%,var(--tod-star) 0 2px,transparent 3px),radial-gradient(circle at 30% 42%,var(--tod-star) 0 1.5px,transparent 2.5px)}[data-time-of-day=night] .ui-scene:after{z-index:3;background:radial-gradient(circle at 48% 74%,var(--tod-firefly) 0 3px,transparent 9px),radial-gradient(circle at 56% 66%,var(--tod-firefly) 0 3px,transparent 9px),radial-gradient(circle at 64% 80%,var(--tod-firefly) 0 3px,transparent 9px),radial-gradient(circle at 72% 70%,var(--tod-firefly) 0 3px,transparent 9px),radial-gradient(circle at 40% 84%,var(--tod-firefly) 0 3px,transparent 9px)}@media(prefers-reduced-motion:no-preference){[data-time-of-day=night] .ui-scene:after{animation:tod-glow 3.2s ease-in-out infinite}[data-time-of-day=night] .ui-scene[data-anim=paused]:after{animation-play-state:paused}}@keyframes tod-glow{0%,to{opacity:1}50%{opacity:.45}}[data-time-of-day=night] .ui-scene,[data-time-of-day=night] .ui-scene__title{color:var(--tod-ink)}[data-time-of-day=night] .ui-scene__lead{color:var(--tod-ink-soft)!important}[data-time-of-day=night] .ui-scene__lead b{color:var(--tod-ink)}[data-time-of-day=night] .ui-scene__ghost{color:var(--tod-link)!important}[data-time-of-day=night] .ui-scene__eyebrow{background:var(--tod-chip)!important;color:var(--tod-link)!important}[data-time-of-day=night] .ui-scene .chip-s{background:var(--tod-chip);color:var(--tod-chip-ink)}[data-time-of-day=night] .ui-scene__tag{background:var(--tod-chip)!important;color:var(--tod-chip-ink)!important}[data-time-of-day=night] .ui-scene__bubble{background:var(--tod-chip)!important;color:var(--tod-chip-ink)}[data-time-of-day=night] .ui-ring:after{background:var(--tod-moon-shade)}[data-time-of-day=night] .ui-ring b{color:var(--tod-ink)}[data-time-of-day=night] .ui-ring span{color:var(--tod-ink-soft)}[data-ui-theme^=learner-adult-] h1,[data-ui-theme^=learner-adult-] h2,[data-ui-theme^=learner-adult-] h3{letter-spacing:-.015em}[data-ui-theme^=learner-adult-] .ui-scene__title{letter-spacing:-.02em;text-wrap:balance}[data-ui-theme^=learner-adult-] .ui-scene__copy{padding-right:0}@media(max-width:1439px){[data-ui-theme^=learner-adult-] .ui-scene__title{font-size:34px}}[data-ui-theme^=learner-adult-] .ui-scene__lead{font-size:18px;line-height:27px}[data-ui-theme^=learner-adult-] .ui-ticket:hover{transform:translateY(-3px)}[data-ui-theme^=learner-adult-] .ui-scene__plant{animation:none}[data-ui-theme^=learner-adult-] .ui-scene__mascot{width:140px;height:140px}[data-ui-theme^=learner-adult-] .ui-scene__bubble{right:160px;bottom:120px;font-size:15px}[data-ui-theme^=learner-adult-] .ui-scene__plants{gap:8px}[data-ui-theme^=learner-adult-] .ui-scene__plant{min-width:0}[data-ui-theme^=learner-adult-] .ui-scene__plant svg{width:72px;height:92px}[data-ui-theme^=learner-adult-] .ui-scene__can{display:none}[data-ui-theme^=learner-adult-] .subjects{gap:4px}[data-ui-theme^=learner-adult-] .subjects button{flex:1 1 auto!important;padding:0 8px;white-space:nowrap}[data-ui-theme^=learner-adult-] .seg button{white-space:nowrap}.learner-shell .learner-sidebar{overflow:hidden}.learner-sidebar .brand{padding-bottom:6px}[data-ui-sidebar=flat] .learner-sidebar .brand{padding-bottom:8px}.learner-sidebar__scroll{flex:1;min-height:0;overflow-y:auto;overscroll-behavior:contain;margin:0 -8px;padding:8px 8px 6px;scrollbar-width:thin;scrollbar-color:transparent transparent;scrollbar-gutter:stable;-webkit-mask-image:linear-gradient(180deg,transparent 0,#000 8px,#000 calc(100% - 16px),transparent 100%);mask-image:linear-gradient(180deg,transparent 0,#000 8px,#000 calc(100% - 16px),transparent 100%)}.learner-sidebar__scroll:hover,.learner-sidebar__scroll:focus-within{scrollbar-color:var(--control) transparent}.learner-sidebar__scroll::-webkit-scrollbar{width:6px}.learner-sidebar__scroll::-webkit-scrollbar-thumb{border-radius:999px;background:transparent}.learner-sidebar__scroll:hover::-webkit-scrollbar-thumb,.learner-sidebar__scroll:focus-within::-webkit-scrollbar-thumb{background:var(--control)}[data-ui-content~=child-playful] .mcq-player-question .text-element{font-family:var(--ui-font-display, inherit);font-size:20px;line-height:28px;font-weight:800;color:var(--ui-color-text, var(--ct-fg))}[data-ui-content~=child-playful] .mcq-player-child-label,[data-ui-content~=child-playful] .mcq-set-player-question-inner .ach-question-counter-label{font-family:var(--ui-font-display, inherit);font-weight:800;border-radius:9999px;background-color:var(--ui-color-fill, var(--ct-muted));color:var(--ui-color-text-secondary, var(--ct-muted-fg))}[data-ui-content~=child-playful] .mcq-set-player-results{border-width:var(--ui-choice-option-border-width, 1px);border-radius:var(--ui-choice-option-radius, var(--ui-radius-control, 16px))}[data-ui-content~=child-playful] .mcq-set-player-results-title{font-family:var(--ui-font-display, inherit);font-weight:800}[data-ui-content~=child-playful] .mcq-player-choices{gap:10px;padding-left:0;padding-right:0}[data-ui-content~=child-playful] .mcq-player-choice.content-option{justify-content:center;min-height:var(--ui-choice-option-min-height, 56px);border-width:var(--ui-choice-option-border-width, 1px);border-color:var(--ui-color-border, var(--ct-border));border-radius:var(--ui-choice-option-radius, var(--ui-radius-control, 16px));background-color:var(--ui-color-surface, var(--ct-card));color:var(--ui-color-text, var(--ct-fg));font-size:16px;font-weight:600;transition:transform .14s cubic-bezier(.34,1.56,.64,1),box-shadow .16s ease,background-color .16s ease,border-color .16s ease}[data-ui-content~=child-playful] .mcq-player-choice.content-option .text-element{font-size:16px}[data-ui-content~=child-playful] .mcq-player-choice.content-option:not(.content-option--static):hover{border-color:var(--ui-color-accent-medium, var(--ct-border));background-color:var(--ui-color-surface, var(--ct-card));box-shadow:0 4px 12px -8px color-mix(in srgb,var(--ui-color-text, var(--ct-fg)) 30%,transparent)}[data-ui-content~=child-playful] .mcq-player-choice.content-option:not(.content-option--static):active{transform:scale(.98)}[data-ui-content~=child-playful] .mcq-player-choice.content-option--selected,[data-ui-content~=child-playful] .mcq-player-choice.content-option--selected:not(.content-option--static):hover{border-color:var(--ui-color-cta, var(--ct-primary));background-color:var(--ui-learner-accent-soft, color-mix(in srgb, var(--ct-primary) 15%, transparent));box-shadow:0 0 0 1px var(--ui-color-cta, var(--ct-primary))}[data-ui-content~=child-playful] .mcq-player-choice.content-feedback--correct,[data-ui-content~=child-playful] .mcq-player-choice.content-feedback--missed{border-color:var(--ui-learner-mint-deep, var(--ct-success));background-color:var(--ui-learner-mint, color-mix(in srgb, var(--ct-success) 15%, transparent));color:var(--ui-learner-mint-ink, var(--ct-success));box-shadow:0 0 0 1px var(--ui-learner-mint-deep, var(--ct-success))}[data-ui-content~=child-playful] .mcq-player-choice.content-feedback--incorrect{border-color:color-mix(in srgb,var(--ui-color-error, var(--ct-destructive)) 50%,transparent);background-color:var(--ui-color-error-bg, color-mix(in srgb, var(--ct-destructive) 12%, transparent));color:var(--ui-color-error-text, var(--ct-destructive));box-shadow:0 0 0 1px color-mix(in srgb,var(--ui-color-error, var(--ct-destructive)) 50%,transparent)}[data-ui-content~=child-playful] .mcq-player-choice-correct-hint{top:50%;transform:translateY(-50%);color:var(--ui-learner-mint-ink, var(--ct-success));font-size:12.5px;font-weight:700}[data-ui-content~=child-playful] .mcq-player-choice-key{width:28px;height:28px;background-color:var(--ui-color-fill, var(--ct-muted));color:var(--ui-color-text-secondary, var(--ct-muted-fg));font-family:var(--ui-font-display, inherit);font-size:13px;font-weight:800}[data-ui-content~=child-playful] .content-option--selected .mcq-player-choice-key{background-color:var(--ui-color-cta, var(--ct-primary));color:var(--ui-color-text-on-cta, var(--ct-primary-fg))}[data-ui-content~=child-playful] .content-feedback--correct .mcq-player-choice-key{background-color:var(--ui-learner-mint-deep, var(--ct-success));color:var(--ui-color-text-on-cta, var(--ct-success-fg))}[data-ui-content~=child-playful] .content-feedback--incorrect .mcq-player-choice-key{background-color:var(--ui-color-surface, var(--ct-card));color:var(--ui-color-error-text, var(--ct-destructive))}[data-ui-content~=child-playful] .mcq-player-choice-indicator [data-slot=checkbox]{width:22px;height:22px;border-radius:7px;border-color:var(--ui-color-accent-medium, var(--ct-border))}[data-ui-content~=child-playful] .mcq-player-choice-indicator [data-slot=checkbox][data-state=checked]{border-color:var(--ui-color-cta, var(--ct-primary));background-color:var(--ui-color-cta, var(--ct-primary))}[data-ui-content~=child-playful] .mcq-player-choice-indicator [data-slot=checkbox][data-disabled]{opacity:1}[data-ui-content~=child-playful] .content-feedback--correct [data-slot=checkbox][data-state=checked]{border-color:var(--ui-learner-mint-deep, var(--ct-success));background-color:var(--ui-learner-mint-deep, var(--ct-success))}[data-ui-content~=child-playful] .content-feedback--incorrect [data-slot=checkbox][data-state=checked]{border-color:var(--ui-color-error, var(--ct-destructive));background-color:var(--ui-color-error, var(--ct-destructive))}[data-ui-content~=child-playful] .mcq-player-choice-feedback{margin-left:0;padding:8px 14px;border-radius:var(--ui-choice-option-radius, var(--ui-radius-control, 16px));font-size:14px}[data-ui-content~=child-playful] .mcq-player-explanation{padding:16px 18px;border-radius:var(--ui-choice-option-radius, var(--ui-radius-control, 16px));background-color:var(--ui-color-fill, var(--ct-muted))}[data-ui-content~=child-playful] .mcq-player-explanation-title{font-family:var(--ui-font-display, inherit);font-weight:800}[data-ui-content~=child-playful] .mcq-player-explanation-body{font-size:15px;line-height:1.6;color:var(--ui-color-text, var(--ct-fg))}[data-ui-content~=child-playful] .match-columns-player-items,[data-ui-content~=child-playful] .match-columns-player-options{gap:10px}[data-ui-content~=child-playful] .content-option.match-columns-player-item,[data-ui-content~=child-playful] .content-option.match-columns-player-option{gap:12px;min-height:var(--ui-choice-option-min-height, 56px);padding:12px 14px;border-width:var(--ui-choice-option-border-width, 1px);border-color:var(--ui-color-border, var(--ct-border));border-radius:var(--ui-choice-option-radius, var(--ui-radius-control, 16px));background-color:var(--ui-color-surface, var(--ct-card));color:var(--ui-color-text, var(--ct-fg));font-size:16px;font-weight:600;transition:transform .14s cubic-bezier(.34,1.56,.64,1),box-shadow .16s ease,background-color .16s ease,border-color .16s ease}[data-ui-content~=child-playful] .content-option.match-columns-player-item .text-element,[data-ui-content~=child-playful] .content-option.match-columns-player-option .text-element{font-size:16px}[data-ui-content~=child-playful] .content-option.match-columns-player-item:not(:disabled):hover,[data-ui-content~=child-playful] .content-option.match-columns-player-option:not(:disabled):hover{border-color:var(--ui-color-accent-medium, var(--ct-border));background-color:var(--ui-color-surface, var(--ct-card));box-shadow:0 4px 12px -8px color-mix(in srgb,var(--ui-color-text, var(--ct-fg)) 30%,transparent)}[data-ui-content~=child-playful] .content-option.match-columns-player-item:not(:disabled):active,[data-ui-content~=child-playful] .content-option.match-columns-player-option:not(:disabled):active{transform:scale(.98)}[data-ui-content~=child-playful] .content-option.match-columns-player-item[data-state=selected],[data-ui-content~=child-playful] .content-option.match-columns-player-item[data-state=paired],[data-ui-content~=child-playful] .content-option.match-columns-player-option[data-state=paired],[data-ui-content~=child-playful] .content-option.match-columns-player-item[data-state=selected]:not(:disabled):hover,[data-ui-content~=child-playful] .content-option.match-columns-player-item[data-state=paired]:not(:disabled):hover,[data-ui-content~=child-playful] .content-option.match-columns-player-option[data-state=paired]:not(:disabled):hover{border-color:var(--ui-color-cta, var(--ct-primary));background-color:var(--ui-learner-accent-soft, color-mix(in srgb, var(--ct-primary) 15%, transparent));box-shadow:0 0 0 1px var(--ui-color-cta, var(--ct-primary))}[data-ui-content~=child-playful] .content-option.match-columns-player-item[data-state=selected]{box-shadow:0 0 0 2px var(--ui-color-cta, var(--ct-primary))}[data-ui-content~=child-playful] .content-option.match-columns-player-item[data-state=correct],[data-ui-content~=child-playful] .content-option.match-columns-player-option[data-state=correct]{border-color:var(--ui-learner-mint-deep, var(--ct-success));background-color:var(--ui-learner-mint, color-mix(in srgb, var(--ct-success) 15%, transparent));color:var(--ui-learner-mint-ink, var(--ct-success));box-shadow:0 0 0 1px var(--ui-learner-mint-deep, var(--ct-success))}[data-ui-content~=child-playful] .content-option.match-columns-player-item[data-state=incorrect],[data-ui-content~=child-playful] .content-option.match-columns-player-option[data-state=incorrect]{border-color:color-mix(in srgb,var(--ui-color-error, var(--ct-destructive)) 50%,transparent);background-color:var(--ui-color-error-bg, color-mix(in srgb, var(--ct-destructive) 12%, transparent));color:var(--ui-color-error-text, var(--ct-destructive));box-shadow:0 0 0 1px color-mix(in srgb,var(--ui-color-error, var(--ct-destructive)) 50%,transparent)}[data-ui-content~=child-playful] .match-columns-player-paired{font-size:13px;font-weight:500;color:var(--ui-color-text-secondary, var(--ct-muted-fg))}[data-ui-content~=child-playful] .match-player-explanation{padding:16px 18px;border-radius:var(--ui-choice-option-radius, var(--ui-radius-control, 16px));background-color:var(--ui-color-fill, var(--ct-muted))}[data-ui-content~=child-playful] .ordering-player-prompt{font-family:var(--ui-font-display, inherit);font-size:20px;line-height:28px;font-weight:800;color:var(--ui-color-text, var(--ct-fg))}[data-ui-content~=child-playful] .ordering-player-slot{min-height:58px;gap:8px;padding:9px;border-style:var(--ui-drop-zone-border-style, solid);border-color:transparent;border-radius:var(--ui-drop-zone-radius, var(--ui-radius-control, 16px));background-color:var(--ui-color-fill, var(--ct-muted));box-shadow:inset 0 2px 4px color-mix(in srgb,var(--ui-color-text, var(--ct-fg)) 6%,transparent)}[data-ui-content~=child-playful] .ordering-player-slot-empty{display:none}[data-ui-content~=child-playful] .ordering-player-slot[data-state=correct]{border-color:var(--ui-learner-mint-deep, var(--ct-success));background-color:var(--ui-color-fill, var(--ct-muted))}[data-ui-content~=child-playful] .ordering-player-slot[data-state=incorrect]{border-color:color-mix(in srgb,var(--ui-color-error, var(--ct-destructive)) 50%,transparent);background-color:var(--ui-color-fill, var(--ct-muted))}[data-ui-content~=child-playful] .ordering-player-bank{justify-content:center;gap:8px}[data-ui-content~=child-playful] .ordering-player-chip.content-chip,[data-ui-content~=child-playful] .fitb-player-drag-chip.content-chip,[data-ui-content~=child-playful] .fitb-player-drag-overlay{box-sizing:border-box;justify-content:center;gap:6px;height:var(--ui-word-chip-height, 40px);min-height:var(--ui-word-chip-height, 40px);padding:0 16px;border:1px solid var(--ui-color-border, var(--ct-border));border-radius:var(--ui-word-chip-radius, 999px);background-color:var(--ui-color-surface, var(--ct-card));color:var(--ui-color-text, var(--ct-fg));font-family:var(--ui-font-display, inherit);font-size:16px;line-height:1;font-weight:700;transition:transform .12s cubic-bezier(.34,1.56,.64,1),border-color .12s ease,background-color .16s ease}[data-ui-content~=child-playful] .ordering-player-chip.content-chip:not(.content-chip--static):hover,[data-ui-content~=child-playful] .fitb-player-drag-chip.content-chip:not(.content-chip--static):hover{border-color:var(--ui-color-accent-medium, var(--ct-border));box-shadow:none}[data-ui-content~=child-playful] .ordering-player-chip.content-chip:not(.content-chip--static):active{transform:scale(.95)}[data-ui-content~=child-playful] .ordering-player-chip--placed[data-state=placed]{border-color:var(--ui-color-border, var(--ct-border));background-color:var(--ui-color-surface, var(--ct-card))}[data-ui-content~=child-playful] .ordering-player-chip.content-feedback--correct{border-color:var(--ui-learner-mint-deep, var(--ct-success));background-color:var(--ui-learner-mint, color-mix(in srgb, var(--ct-success) 15%, transparent));color:var(--ui-learner-mint-ink, var(--ct-success))}[data-ui-content~=child-playful] .ordering-player-chip.content-feedback--incorrect{border-color:color-mix(in srgb,var(--ui-color-error, var(--ct-destructive)) 50%,transparent);background-color:var(--ui-color-error-bg, color-mix(in srgb, var(--ct-destructive) 12%, transparent));color:var(--ui-color-error-text, var(--ct-destructive))}[data-ui-content~=child-playful] .ordering-player-correct-answer,[data-ui-content~=child-playful] .fitb-player-drag-instructions{font-size:15px;line-height:22px;color:var(--ui-color-text-secondary, var(--ct-muted-fg))}[data-ui-content~=child-playful] .fitb-player-drag-bank{justify-content:center;gap:8px}[data-ui-content~=child-playful] .fitb-player-drag-grip{display:none}[data-ui-content~=child-playful] .fitb-player-drag-chip--used{visibility:hidden}[data-ui-content~=child-playful] .content-chip--dragging.fitb-player-drag-chip,[data-ui-content~=child-playful] .fitb-player-drag-overlay{border-color:var(--ui-color-cta, var(--ct-primary));box-shadow:0 8px 24px -16px color-mix(in srgb,var(--ui-color-text, var(--ct-fg)) 40%,transparent)}[data-ui-content~=child-playful] .fitb-player-drag-passage-text{padding-top:0;border-top:0}[data-ui-content~=child-playful] .fitb-player-drag-slot.content-chip{box-sizing:border-box;min-width:calc(var(--ui-blank-min-width-ch, 6) * 1ch);height:calc(var(--ui-word-chip-height, 40px) + 8px);min-height:calc(var(--ui-word-chip-height, 40px) + 8px);margin:0 4px;padding:0 4px;border:1px solid transparent;border-radius:var(--ui-drop-zone-radius, var(--ui-radius-control, 16px));background-color:var(--ui-color-fill, var(--ct-muted));box-shadow:inset 0 2px 4px color-mix(in srgb,var(--ui-color-text, var(--ct-fg)) 6%,transparent);vertical-align:middle}[data-ui-content~=child-playful] .fitb-player-drag-slot.content-chip--drop-hint{border-style:dashed;border-color:var(--ui-color-accent-medium, var(--ct-border))}[data-ui-content~=child-playful] .fitb-player-drag-slot.content-chip.content-chip--over,[data-ui-content~=child-playful] .fitb-player-drag-slot.content-chip.content-chip--over:not(:has(>.fitb-player-drag-slot-inner:empty)){border-style:solid;border-color:var(--ui-color-cta, var(--ct-primary));background-color:var(--ui-learner-accent-soft, color-mix(in srgb, var(--ct-primary) 15%, transparent));box-shadow:0 0 0 1px var(--ui-color-cta, var(--ct-primary))}[data-ui-content~=child-playful] .fitb-player-drag-slot.content-chip:not(:has(>.fitb-player-drag-slot-inner:empty)){padding:0 6px 0 16px;border-color:var(--ui-color-border, var(--ct-border));border-radius:var(--ui-word-chip-radius, 999px);background-color:var(--ui-color-surface, var(--ct-card));box-shadow:none;font-family:var(--ui-font-display, inherit);font-weight:700}[data-ui-content~=child-playful] .fitb-player-drag-slot .fitb-player-drag-slot-label{font-size:16px}[data-ui-content~=child-playful] .fitb-player-drag-slot.content-chip.content-feedback--correct:not(:has(>.fitb-player-drag-slot-inner:empty)){padding-right:16px;border-color:var(--ui-learner-mint-deep, var(--ct-success));background-color:var(--ui-learner-mint, color-mix(in srgb, var(--ct-success) 15%, transparent));color:var(--ui-learner-mint-ink, var(--ct-success))}[data-ui-content~=child-playful] .fitb-player-drag-slot.content-chip.content-feedback--incorrect,[data-ui-content~=child-playful] .fitb-player-drag-slot.content-chip.content-feedback--incorrect:not(:has(>.fitb-player-drag-slot-inner:empty)){padding-right:16px;border-color:color-mix(in srgb,var(--ui-color-error, var(--ct-destructive)) 50%,transparent);background-color:var(--ui-color-error-bg, color-mix(in srgb, var(--ct-destructive) 12%, transparent));color:var(--ui-color-error-text, var(--ct-destructive))}[data-ui-content~=child-playful] .fitb-player--frameless .fitb-passage-root{color:var(--ui-color-text, var(--ct-fg));font-size:20px;line-height:2}[data-ui-content~=child-playful] .fitb-player-type-blank{margin:0 4px;vertical-align:baseline}[data-ui-content~=child-playful] .fitb-player-type-blank-input{position:relative;vertical-align:baseline}[data-ui-content~=child-playful] .fitb-player-type-input{height:auto;min-width:calc(var(--ui-blank-min-width-ch, 6) * 1ch);padding:8.8px 12px;border-radius:var(--ui-blank-radius, 10px);font-size:var(--ui-blank-font-size, 18px);line-height:1.5;text-align:center;vertical-align:baseline;box-shadow:none}[data-ui-content~=child-playful] .fitb-player-type-input:focus{border-color:var(--ui-color-cta, var(--ct-ring));box-shadow:0 0 0 3px color-mix(in srgb,var(--ui-color-cta, var(--ct-ring)) 20%,transparent)}[data-ui-content~=child-playful] .fitb-player-dropdown-trigger{width:auto;min-width:calc(var(--ui-blank-min-width-ch, 6) * 1ch + 2.5rem);height:auto;min-height:0;margin:0 4px;padding:8.8px 12px;border-radius:var(--ui-blank-radius, 10px);background-color:var(--ui-color-surface, var(--ct-bg));font-size:var(--ui-blank-font-size, 18px);line-height:1.5;vertical-align:baseline;box-shadow:none}[data-ui-content~=child-playful] .fitb-player-dropdown-trigger:focus-within{border-color:var(--ui-color-cta, var(--ct-ring));box-shadow:0 0 0 3px color-mix(in srgb,var(--ui-color-cta, var(--ct-ring)) 20%,transparent)}[data-ui-content~=child-playful] .fitb-player-type-input[data-state=correct],[data-ui-content~=child-playful] .fitb-player-dropdown-trigger[data-state=correct]{border-color:var(--ui-learner-mint-deep, var(--ct-success));background-color:var(--ui-learner-mint, color-mix(in srgb, var(--ct-success) 15%, transparent));color:var(--ui-learner-mint-ink, var(--ct-success));box-shadow:none}[data-ui-content~=child-playful] .fitb-player-type-input[data-state=incorrect],[data-ui-content~=child-playful] .fitb-player-dropdown-trigger[data-state=incorrect]{border-color:color-mix(in srgb,var(--ui-color-error, var(--ct-destructive)) 50%,transparent);background-color:var(--ui-color-error-bg, color-mix(in srgb, var(--ct-destructive) 12%, transparent));color:var(--ui-color-error-text, var(--ct-destructive));box-shadow:none}[data-ui-content~=child-playful] .fitb-player-blank-with-hint{position:relative;vertical-align:baseline}[data-ui-content~=child-playful] .fitb-player-type-blank-input:has(>.fitb-player-blank-hint),[data-ui-content~=child-playful] .fitb-player-type-blank-input:has(>.fitb-player-type-hint),[data-ui-content~=child-playful] .fitb-player-blank-with-hint{margin-bottom:26px}[data-ui-content~=child-playful] .fitb-player-blank-hint,[data-ui-content~=child-playful] .fitb-player-type-hint{position:absolute;top:100%;left:0;width:max-content;min-width:0;max-width:28em;margin-top:2px;color:var(--ui-color-text-secondary, var(--ct-muted-fg));font-size:15px;line-height:22px;font-weight:400;white-space:nowrap}[data-ui-content~=child-playful] .fitb-player-type-hint{color:var(--ui-learner-mint-ink, var(--ct-success));font-weight:700}[data-ui-content~=child-playful] .fitb-player--frameless .fitb-player-type-explanation,[data-ui-content~=child-playful] .fitb-player--frameless .fitb-player-dropdown-explanation,[data-ui-content~=child-playful] .fitb-player--frameless .fitb-player-drag-explanation{font-size:15px;line-height:22px}[data-ui-content~=child-playful] .speaker-button .speaker-button-control{border:0;background:var(--ui-learner-sky);color:var(--ui-learner-char);box-shadow:var(--lift-sm),var(--gloss);transition:transform .12s var(--spring, ease)}[data-ui-content~=child-playful] .speaker-button .speaker-button-control:not(:disabled):hover,[data-ui-content~=child-playful] .speaker-button .speaker-button-control:not(:disabled):focus-visible{background:var(--ui-learner-sky);color:var(--ui-learner-char)}[data-ui-content~=child-playful] .speaker-button .speaker-button-control:not(:disabled):active{transform:scale(.94);box-shadow:var(--lift-sm),var(--gloss)}[data-ui-content~=child-playful] .speaker-button .speaker-button-control--playing{background:color-mix(in srgb,var(--ui-learner-sky) 70%,var(--ui-learner-sky-deep))}[data-ui-content~=child-playful] .speaker-button .speaker-button-control svg{width:calc(var(--ui-speaker-button-size, 2.75rem) * .42);height:calc(var(--ui-speaker-button-size, 2.75rem) * .42)}[data-ui-content~=child-playful] .tts-audio-player>.speaker-button:first-child .speaker-button-control{background:linear-gradient(180deg,color-mix(in srgb,var(--ui-learner-sky) 50%,var(--ui-learner-sky-deep)),var(--ui-learner-sky-deep));color:var(--ui-learner-white, var(--ui-color-text-on-cta));box-shadow:0 8px color-mix(in srgb,var(--ui-learner-sky-deep) 35%,var(--ui-learner-sky-ink)),var(--gloss)}[data-ui-content~=child-playful] .tts-audio-player>.speaker-button:first-child .speaker-button-control:not(:disabled):hover,[data-ui-content~=child-playful] .tts-audio-player>.speaker-button:first-child .speaker-button-control:not(:disabled):focus-visible{background:linear-gradient(180deg,color-mix(in srgb,var(--ui-learner-sky) 50%,var(--ui-learner-sky-deep)),var(--ui-learner-sky-deep));color:var(--ui-learner-white, var(--ui-color-text-on-cta))}[data-ui-content~=child-playful] .tts-audio-player>.speaker-button:first-child .speaker-button-control:not(:disabled):active{transform:translateY(6px);box-shadow:0 2px color-mix(in srgb,var(--ui-learner-sky-deep) 35%,var(--ui-learner-sky-ink)),var(--gloss)}[data-ui-content~=child-playful] .tts-audio-player>.speaker-button:first-child .speaker-button-control svg{width:calc(var(--ui-speaker-button-size-lg, 3.5rem) * .4);height:calc(var(--ui-speaker-button-size-lg, 3.5rem) * .4)}[data-ui-content~=child-playful] .speaker-button:has(>.speaker-button-caption){position:relative}[data-ui-content~=child-playful] .speaker-button:has(>.speaker-button-caption) .speaker-button-control svg{transform:translateY(-5px)}[data-ui-content~=child-playful] .speaker-button>.speaker-button-caption{position:absolute;left:0;right:0;bottom:5px;font-size:12.5px;line-height:13px;font-weight:600;text-align:center;text-transform:lowercase;color:var(--ui-learner-char);pointer-events:none}[data-ui-content~=child-playful] .page-player-block>.block-renderer>.text-element--body{box-sizing:border-box;padding:16px 18px;border-radius:var(--ui-radius-control, 18px);background:var(--ui-color-fill);font-size:16px;line-height:26px}[data-ui-content~=child-playful] .layout-container:has(>.page-player-block:first-child>.block-renderer>.text-element--body):has(>.page-player-block:first-child+.page-player-block>.block-renderer>.tts-audio-player){position:relative}[data-ui-content~=child-playful] .page-player-block:first-child:has(>.block-renderer>.text-element--body)+.page-player-block:has(>.block-renderer>.tts-audio-player){position:absolute;top:12px;right:14px;z-index:1}[data-ui-content~=child-playful] .page-player-block:first-child:has(>.block-renderer>.text-element--body)+.page-player-block .tts-audio-player{margin:0;gap:8px}[data-ui-content~=child-playful] .page-player-block:first-child:has(>.block-renderer>.text-element--body)+.page-player-block .speaker-button-control{width:var(--ui-speaker-button-size, 2.75rem);height:var(--ui-speaker-button-size, 2.75rem);min-width:var(--ui-speaker-button-size, 2.75rem)}[data-ui-content~=child-playful] .page-player-block:first-child:has(>.block-renderer>.text-element--body)+.page-player-block 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