:root{--paper: #f7f5f0;--ink: #111111;--muted: #8a8478}*{margin:0;padding:0;box-sizing:border-box}html,body{width:100%;height:100%;overflow:hidden;background:var(--paper);color:var(--ink);font-family:system-ui,-apple-system,Segoe UI,sans-serif;cursor:none}body.melody,body.melody *,body.remote,body.remote *{cursor:auto}#app{position:absolute;inset:2.5%;display:flex;align-items:center;justify-content:center}body.melody #app{top:8.5%}#stage{width:100%;height:100%;display:flex;align-items:center;justify-content:center}#stage svg{width:100%;height:100%}body.student #app{inset:0;padding:0 env(safe-area-inset-right) 0 env(safe-area-inset-left)}body.student 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1.8em;text-align:center;font-size:clamp(18px,2.2vw,48px);line-height:1.4;color:var(--ink);background:var(--paper);border:2px solid var(--ink);border-radius:8px}#calibration[hidden]{display:none}#calibration p+p{margin-top:.7em}#calibration .hint{font-size:.5em;color:var(--muted)}#melodyBar{position:absolute;top:1.2%;left:50%;transform:translate(-50%);display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:.3em .9em;font-size:clamp(10px,.95vw,18px);-webkit-user-select:none;user-select:none;z-index:2}#melodyBar[hidden]{display:none}#melodyBar .group{display:flex;gap:.3em}#melodyBar button{font:inherit;color:var(--muted);background:transparent;border:1px solid transparent;border-radius:5px;padding:.25em .7em;cursor:pointer}#melodyBar button:hover:not(:disabled){border-color:var(--muted);color:var(--ink)}#melodyBar button.active{color:var(--paper);background:var(--ink);border-color:var(--ink)}#melodyBar button:disabled{opacity:.35;cursor:default}#melodyBar 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button:hover{border-color:var(--muted);color:var(--ink)}#imageBar #imageStatus{color:var(--muted)}#overlay button.primary{color:var(--paper);background:var(--ink);border-color:var(--ink)}#overlay button.link{border-color:transparent;padding:.2em .3em}#overlay button.link:hover{text-decoration:underline}#overlay button.link.muted{color:var(--muted);font-size:.75em}#overlay .melodies{list-style:none;margin-top:.6em}#overlay .melodies li{display:flex;align-items:baseline;justify-content:space-between;gap:1em;border-top:1px solid rgb(138 132 120 / .35)}#overlay .melodies li:first-child{border-top:none}