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#4264d647}.tap-button:disabled{cursor:default;opacity:.7}.puzzle-board{position:relative;min-height:min(66vh,620px);width:100%;padding:0;border-radius:32px;overflow:hidden;background-position:center;background-size:cover;background-repeat:no-repeat;box-shadow:var(--shadow);isolation:isolate}.puzzle-board:before{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background:radial-gradient(circle at top,rgba(255,255,255,.18),transparent 32%),linear-gradient(180deg,#0b15380f,#0b15382e);z-index:0}.puzzle-grid{position:absolute;top:0;right:0;bottom:0;left:0;display:grid;z-index:1}.discovery-screen .puzzle-board{min-height:100vh;border-radius:0;box-shadow:none}.play-progress-overlay{position:absolute;top:18px;left:18px;right:18px;z-index:3;padding:16px 18px;border-radius:24px;background:#ffffffc7;border:1px solid rgba(255,255,255,.46);box-shadow:0 16px 36px 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12px;font-size:.9rem}.meta-line{color:#6c81a8;font-size:.82rem;margin-bottom:10px}.learning-text{font-size:.95rem;color:#314262;margin:0}.tap-anywhere-hint{margin:10px 0 0;font-size:.82rem;font-weight:800;color:#5a74b0}.reveal-actions,.complete-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px}@media (max-width: 980px){.screen{align-items:flex-start}.shell{width:min(100% - 24px,980px);padding-top:18px;padding-bottom:28px}.age-grid,.theme-grid,.play-layout,.setup-summary{grid-template-columns:1fr}.puzzle-board{min-height:430px}.discovery-screen .puzzle-board{min-height:100vh}.tap-button{min-height:104px}.page-intro{margin-top:64px;margin-bottom:28px}.language-menu{top:12px}}@media (max-width: 640px){.hero-card{border-radius:28px}.reveal-overlay-shell{left:max(10px,env(safe-area-inset-left));right:max(10px,env(safe-area-inset-right));bottom:max(10px,env(safe-area-inset-bottom))}.reveal-overlay-card{width:auto;padding:16px;border-radius:24px}.theme-surface{padding:20px}.age-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.progress-row{grid-template-columns:1fr}.section-header{flex-direction:column}.puzzle-board{min-height:320px;border-radius:24px}.play-progress-overlay{top:12px;left:12px;right:12px;padding:14px 16px;border-radius:20px}.theme-back-button{top:12px;left:0}.home-icon-button{width:52px;height:52px}}