/* Changes: style the small copyright footer to match existing footer text. */
:root{font-family:ui-rounded,"Avenir Next",Avenir,"Trebuchet MS",sans-serif;color:#203356;background:#eaf3ff;font-synthesis:none}*{box-sizing:border-box}body{margin:0}a,button{-webkit-tap-highlight-color:transparent;touch-action:manipulation}a:focus-visible,button:focus-visible{outline:4px solid #e4a41d;outline-offset:6px}body.home{min-height:100svh;background:radial-gradient(ellipse at 95% 5%,#d0e7ff 0,transparent 50%),radial-gradient(ellipse at 0% 100%,#dde2ff 0,transparent 55%),#edf5ff}.launcher{max-width:1040px;margin:auto;padding:clamp(36px,8vh,90px) 32px 32px}.small-label{font-size:14px;letter-spacing:2px;font-weight:800;color:#4462a0}.launcher-heading h1{font-size:clamp(44px,7vw,72px);line-height:1.06;letter-spacing:-2px;margin:20px 0}.launcher-heading h1 span{color:#355aca}.launcher-heading p{font-size:20px;color:#5a6c8c;margin:0}.app-grid{display:flex;flex-wrap:wrap;justify-content:center;gap:48px;margin-top:48px}.app-tile{width:calc((100% - 96px)/3);max-width:220px;display:flex;align-items:center;flex-direction:column;text-decoration:none;color:inherit;border-radius:36px;transition:transform .18s}.app-tile:hover{transform:translateY(-5px)}.app-tile:active{transform:scale(.97)}.app-icon{aspect-ratio:1;width:100%;border-radius:26%;overflow:hidden;box-shadow:0 12px 25px #304f9620,0 2px 1px #fff9 inset}.words-icon{display:flex;flex-direction:column;align-items:center;justify-content:center;color:white;background:linear-gradient(145deg,#567bea,#304bbb)}.words-icon>span:first-child{font-size:clamp(58px,10vw,94px);font-weight:700;letter-spacing:-5px;line-height:1.2}.icon-caption{font-size:14px;font-weight:600;margin-top:6px}.book-icon{background:white;display:block;border:1px solid #d7e1ef}.book-icon img{width:100%;height:100%;display:block;object-fit:cover}.app-name{font-size:22px;font-weight:800;margin-top:18px}.app-detail{font-size:14px;color:#5a6c8c;margin-top:6px;text-align:center}.launcher-footer{margin:64px 0 0;font-size:16px;color:#607598}.reader{max-width:1040px;margin:auto;padding:22px 24px 28px}.reader-header{display:flex;justify-content:space-between;align-items:center;gap:16px;margin-bottom:18px}.home-link{font-size:16px;font-weight:700;color:#355aca;background:white;text-decoration:none;padding:14px 18px;border-radius:16px}.reader-header h1{font-size:22px;margin:0}.book-stage{width:min(100%,calc(100svh - 205px));min-width:240px;margin:auto}.page-button{display:block;width:100%;padding:0;border:0;background:white;cursor:pointer;box-shadow:0 12px 40px #20335618;border-radius:10px;overflow:hidden}.page-button img{display:block;width:100%;height:auto;aspect-ratio:1}.reader-controls{max-width:650px;margin:20px auto 0;display:grid;grid-template-columns:1fr auto 1fr;gap:18px;align-items:center}.reader-controls button{font:inherit;font-weight:800;font-size:18px;min-height:58px;padding:12px 18px;border:2px solid #d4dfef;border-radius:17px;background:white;color:#304b7c;cursor:pointer}.reader-controls button:last-child{background:#355aca;border-color:#355aca;color:white}.reader-controls button:disabled{opacity:.4;cursor:default}#page-count{font-size:16px;color:#506580;white-space:nowrap}.reader-hint{text-align:center;font-size:14px;color:#607598;margin:16px 0 0}@media(min-width:800px){.launcher-heading h1 br{display:none}.launcher-heading h1 span:before{content:" "}}@media(max-width:500px){.launcher{padding:40px 24px 24px}.app-grid{gap:24px;margin-top:38px}.app-name{font-size:20px}.app-detail{font-size:14px}.launcher-footer{margin-top:48px}.reader{padding:16px 14px}.reader-header h1{font-size:20px}.reader-controls{gap:10px}.reader-controls button{padding:12px 10px;font-size:16px}.book-stage{min-width:0;width:100%}}@media(prefers-reduced-motion:reduce){*{transition:none!important}}
.math-icon{display:flex;flex-direction:column;align-items:center;justify-content:center;color:white;background:linear-gradient(145deg,#29a37b,#146b51)}.math-icon>span:first-child{font-size:clamp(36px,6vw,62px);font-weight:800;line-height:1.2;white-space:nowrap}.app-name{text-align:center}@media(max-width:700px){.app-tile{width:calc((100% - 48px)/2)}}@media(max-width:500px){.app-tile{width:calc((100% - 24px)/2)}}

.arithmetic-icon{display:flex;flex-direction:column;align-items:center;justify-content:center;color:white}.arithmetic-icon>span:first-child{font-size:clamp(64px,10vw,100px);font-weight:800;line-height:1}.addition-icon{background:linear-gradient(145deg,#dc8034,#a54b13)}.subtraction-icon{background:linear-gradient(145deg,#9469d2,#6840a3)}

.drawing-icon{display:flex;flex-direction:column;align-items:center;justify-content:center;color:white;background:linear-gradient(135deg,#ed5080,#a536a9 55%,#514ac7)}.drawing-icon>span:first-child{font-size:clamp(64px,10vw,100px);font-weight:800;line-height:1}

.reader-header{flex-wrap:wrap}.app-tile{min-width:0}.icon-caption{max-width:100%;text-align:center;padding:0 5px}.app-name{overflow-wrap:anywhere}
@media(max-width:360px){.launcher{padding-left:16px;padding-right:16px}.icon-caption{font-size:12px}.reader-controls{gap:6px}}

.copyright{display:block;margin:0;padding:12px 16px;text-align:center;font-size:12px;color:#607598}

.launcher-heading .logo-heading{margin:16px 0;line-height:1}.playground-logo{display:block;width:clamp(220px,32vw,320px);max-width:100%;height:auto}