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.sprite{width:160px;height:160px;transform:rotate(-8deg);filter:drop-shadow(0 12px 5px #1533531a);animation:float 4s ease-in-out infinite}.library-toolbar{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:14px}.library-toolbar h2{margin:0;font-size:30px}.library-toolbar p{margin:5px 0 0;color:var(--muted);font-size:17px}.search{border:2px solid var(--line);border-radius:16px;padding:15px 18px;max-width:330px;width:100%;font-family:Rubik,sans-serif;font-size:16px}.lesson-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));column-gap:42px}.lesson-row{display:flex;align-items:center;gap:17px;border-bottom:2px solid var(--line);padding:22px 3px;min-height:116px}.lesson-row:hover{background:#f7fbfd}.lesson-number{font-size:29px;font-weight:800;width:49px;flex-shrink:0;color:#087b78}.lesson-text{flex:1;min-width:0}.lesson-text h3{font-size:21px;line-height:1.25;margin:0 0 6px;font-weight:750}.lesson-text 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@media(min-width:1500px){main{max-width:1380px}.game-canvas{aspect-ratio:1000/500}}
@media(max-width:900px){h1{font-size:39px}.brand{font-size:28px}.site-header nav{gap:16px}.site-header nav a{font-size:19px}.game-heading h2{font-size:28px}.game-heading p{font-size:15px;max-width:440px}.score{font-size:22px;min-width:98px;padding:13px}.hud{gap:6px}.icon-button{width:46px;height:46px}.library-intro h1{font-size:44px}.lesson-list{column-gap:22px}}
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@media(prefers-reduced-motion:reduce){.library-art .sprite{animation:none}*{scroll-behavior:auto!important}}
[hidden]{display:none!important}
@media(min-width:651px) and (max-height:900px){.game-view .site-header{min-height:70px;padding-top:9px;padding-bottom:9px}.game-view .brand{font-size:28px}.game-view .brand>span{width:55px;height:44px;font-size:29px}.game-view main{padding-top:16px;padding-bottom:25px}.game-view .back{font-size:16px;margin-bottom:9px}.game-view .lesson-meta{font-size:14px;margin-bottom:4px}.game-view h1{font-size:35px;line-height:1.15;margin-bottom:3px}.game-view .subtitle{font-size:18px;margin-bottom:12px}.game-view .game-surface{max-width:min(100%,calc((100dvh - 310px)*1.8868));margin-inline:auto}.game-view .game-controls{max-width:min(100%,calc((100dvh - 310px)*1.8868));margin:17px auto 0}.game-view .game-heading h2{font-size:28px}.game-view .game-heading p{font-size:14px;max-width:520px}.game-view .game-heading{top:16px;left:18px;right:18px}.game-view .score{font-size:21px;min-width:95px;padding:12px}.game-view .icon-button{width:44px;height:44px}.game-view .controls-hint{max-width:330px;font-size:12px}.game-view .move-button{width:64px;min-height:52px}.game-view .secondary{min-height:52px;padding:12px 18px;font-size:16px}}