*{box-sizing:border-box}body{margin:0;font-family:system-ui,Arial;background:linear-gradient(145deg,#dff7ff,#fff0d3);color:#17334c}header{text-align:center;padding:22px 12px}h1{font-size:clamp(46px,9vw,85px);margin:0;letter-spacing:3px}h2{margin:10px 0}main{max-width:850px;margin:auto;padding:12px}nav,.grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}button{font:inherit;font-weight:750;cursor:pointer;border:0;border-radius:19px;padding:18px;min-height:70px;background:#fff;box-shadow:0 5px 0 #b8d4e2;color:#183a56}button:active{transform:translateY(3px)}button:focus-visible{outline:4px solid #ff9900}.tile{font-size:20px;min-height:115px}.emoji{display:block;font-size:38px}.panel{background:#ffffffed;border-radius:25px;padding:20px;margin:14px 0;box-shadow:0 8px 28px #46648a24}.hidden{display:none!important}.bar{display:flex;gap:10px;flex-wrap:wrap;align-items:center}.bar button{flex:1}#status{font-size:23px;font-weight:700;min-height:40px}.small{font-size:14px}.big{font-size:26px}input[type=range]{width:100%}canvas{touch-action:none;border:3px dashed #91b8d8;border-radius:18px;background:white;width:100%;height:300px}footer{text-align:center;padding:24px;color:#466} @media(min-width:650px){nav,.grid{grid-template-columns:repeat(3,1fr)}}
.cover-frame{width:100%;max-width:950px;margin:0 auto 10px;border-radius:22px;overflow:hidden;aspect-ratio: 2.35/1;box-shadow:0 10px 25px #0002;background:#8bd8ff}.cover-art{width:100%;height:100%;object-fit:cover;object-position:center 18%;display:block}.cover-instruction{text-align:center;font-weight:800;font-size:1.05rem;margin:10px auto 18px}nav{position:relative;z-index:1}nav .tile{min-height:94px}@media(max-width:600px){.cover-frame{aspect-ratio:1.7/1}.cover-art{object-position:center 10%}}

/* v2: entire cover visible; picture buttons are interactive */
.cover-frame{position:relative;aspect-ratio:auto;max-width:900px;overflow:hidden;background:transparent}.cover-art{display:block;width:100%;height:auto;object-fit:contain}.cover-hotspot{position:absolute;z-index:2;display:block;min-height:0;padding:0;border:2px solid transparent;border-radius:18px;background:transparent;box-shadow:none;cursor:pointer;touch-action:manipulation}.cover-hotspot:hover{background:#ffffff20;border-color:#fff9}.cover-hotspot:focus-visible{outline:4px solid #ffeb3b;outline-offset:1px;background:#ffffff30}.cover-instruction{margin:12px auto;font-size:1rem}nav{margin:12px 0 20px}nav .tile{background:#fff;border:2px solid #d2e6fb;box-shadow:0 5px 0 #a4c9e3}section[id]{scroll-margin-top:15px}@media(max-width:600px){.cover-frame{aspect-ratio:auto}.cover-art{object-fit:contain}}