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:root{--font-voice-heading:"Unbounded Variable";--font-voice-body:"Onest Variable";--font-voice-hand:"Marck Script"}.age-scope,.entry-site,.parent-dashboard-page,.parent-child-shell,.val-account{--color-text-secondary:#1b2b23;--color-muted:#1b2b23}.age-scope .caption,.entry-site .entry-note,.entry-site .trial-count,.parent-dashboard-page .caption{color:inherit}.caption{font-size:max(.95rem,16px)}.age-scope{--heading-family:var(--font-voice-heading), sans-serif;font-family:var(--font-voice-body), system-ui, sans-serif}.age-scope h1,.age-scope h2,.age-scope h3{font-family:var(--heading-family)}.entry-site .trial-title{font-size:26px;line-height:1.2}.entry-site .trial-instruction{font-size:20px!important}.guide-hero{grid-template-columns:112px minmax(0,1fr);align-items:start;gap:14px;margin:0;display:grid}.hero-avatar{background:#ede6d7;border-radius:50%;flex:none;display:block;overflow:hidden;box-shadow:0 0 0 4px #fff,0 10px 24px -12px #1b2b238c}.hero-avatar 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0;align-self:end;display:block}@media (min-width:1100px){.age-focused{max-width:1240px}.lesson-player{max-width:1200px}.lesson-block:has(>.chess-widget){grid-template-columns:minmax(230px,1fr) minmax(420px,min(58svh,580px)) minmax(230px,1fr);align-items:start;column-gap:28px;display:grid}.lesson-block:has(>.chess-widget)>*{grid-column:1}.lesson-block:has(>.chess-widget)>.chess-widget{grid-area:1/2/span 12;min-width:0}.lesson-block:has(>.chess-widget)>.lesson-controls{grid-column:3}.lesson-block:has(>.chess-widget)>.lesson-feedback{grid-column:3}.lesson-block:has(>.chess-widget)>.lesson-navigation{grid-column:3}.lesson-block:has(>.chess-widget)>button{grid-column:3}.lesson-block:has(>.chess-widget)>.lesson-actions{grid-column:3}.lesson-block:has(>.chess-widget)>.lesson-controls{flex-direction:column;align-items:stretch;margin-top:0}.age-focused .lesson-heading h1{font-size:clamp(24px,2.4vw,34px);line-height:1.15}.lesson-player{padding-block:1rem 3rem}}.island-map{margin-block:12px 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h3{scroll-margin-top:16px}:root[data-coords=off] .chess-coordinate{display:none}.lesson-support{font-size:16px}.lesson-support summary{cursor:pointer;align-items:center;min-height:44px;display:flex}.lesson-support>label,.lesson-support>div{margin-block:6px}.lesson-video{background:#fff;border-radius:12px;margin-block:12px 20px;padding:10px 14px 14px;box-shadow:0 8px 22px -16px #1b2b2380}.lesson-video summary{cursor:pointer;align-items:center;min-height:44px;font-size:18px;font-weight:700;display:flex}.lesson-video iframe,.lesson-video video{aspect-ratio:16/9;background:#1b2b23;border:0;border-radius:8px;width:100%;max-width:900px;height:auto;display:block}.how-to-study{background:#fff;border-radius:12px;margin-block:20px;padding:18px 20px}.how-to-study h2{margin:0 0 10px;font-size:24px}.how-to-study ol{gap:8px;margin:10px 0;padding-inline-start:22px;font-size:19px;display:grid}.how-to-study p{margin:0;font-size:17px}