/* Shared chrome for the course's Web Audio demos.
   Same palette as the slide decks (Ora / Accrete), so a demo embedded in a slide
   reads as part of it. Add ?compact=1 for the slide-sized layout. */
:root{
  --bg:#171b21; --fg:#ffffff; --accent:#78a5d2; --muted:#9aa4b5;
  --mint:#8ce1b4; --gold:#d2b95f; --rose:#d27878; --rule:rgba(255,255,255,.18);
  --serif:"Palatino","Palatino Linotype","Book Antiqua",Georgia,serif;
  --sans:"Avenir Next","Avenir","Helvetica Neue",Helvetica,Arial,sans-serif;
}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--fg);font-family:var(--sans);
     -webkit-font-smoothing:antialiased;padding:1.6rem 2rem 3rem;line-height:1.5}
h1{font-family:var(--serif);font-weight:700;font-size:1.5rem;margin:0 0 .2rem}
.sub{color:var(--muted);font-size:.85rem;margin:0 0 1.2rem}
.warn{color:var(--gold);font-size:.8rem;margin:.4rem 0 1.2rem}
canvas{width:100%;height:260px;display:block;background:rgba(255,255,255,.03);
       border:1px solid var(--rule);border-radius:4px}
.legend{display:flex;gap:1.2rem;flex-wrap:wrap;font-size:.72rem;color:var(--muted);margin:.45rem 0 1.2rem}
.legend i{display:inline-block;width:10px;height:2px;vertical-align:middle;margin-right:.35rem}
.row{display:flex;gap:.7rem;align-items:center;flex-wrap:wrap;margin-bottom:1.1rem}
button{font-family:var(--sans);font-size:.85rem;padding:.5rem 1.1rem;border-radius:4px;
       border:1px solid var(--accent);background:transparent;color:var(--accent);cursor:pointer}
button:hover{background:rgba(120,165,210,.12)}
button.on{background:var(--accent);color:var(--bg);font-weight:600}
button.preset{border-color:var(--rule);color:var(--muted);font-size:.75rem;padding:.35rem .7rem}
button.preset:hover{border-color:var(--accent);color:var(--accent);background:transparent}
button.dice{border-color:var(--rule);color:var(--muted);font-size:.75rem;padding:.35rem .7rem}
button.dice:hover{border-color:var(--amber,#e3b341);color:var(--amber,#e3b341);background:transparent}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:.5rem 1.6rem}
label{display:grid;grid-template-columns:7.2rem minmax(0,1fr) 3.4rem;align-items:center;
      gap:.6rem;font-size:.8rem;padding:.18rem 0}
label span:first-child{color:var(--muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
label output{font-variant-numeric:tabular-nums;color:var(--accent);font-size:.75rem;text-align:right}
input[type=range]{width:100%;min-width:0;accent-color:var(--accent)}
input[type=range]:disabled{opacity:.35}
select{background:var(--bg);color:var(--fg);border:1px solid var(--rule);width:100%;min-width:0;
       border-radius:3px;padding:.2rem .3rem;font-family:var(--sans);font-size:.78rem}
fieldset{border:1px solid var(--rule);border-radius:4px;padding:.7rem 1rem 1rem;margin:0 0 1rem}
legend{font-family:var(--serif);font-style:italic;color:var(--muted);font-size:.85rem;padding:0 .4rem}
code{font-family:"Fira Code",Menlo,monospace;font-size:.78rem;color:var(--mint)}
.note{color:var(--muted);font-size:.75rem;margin-top:1.4rem;max-width:52rem}
.hint{color:var(--gold);font-size:.72rem;min-height:1.1em;margin:.2rem 0 0}

/* ?compact=1 — embedded in a slide: drop the prose, tighten everything */
body.compact{padding:.5rem .7rem 0}
body.compact h1,
body.compact .sub,
body.compact .warn,
body.compact .note,
body.compact .legend{display:none}
body.compact canvas{height:min(34vh,190px)}
body.compact fieldset{padding:.3rem .6rem .45rem;margin:0}
body.compact legend{font-size:.72rem}
body.compact .row{margin:.45rem 0 .5rem;gap:.4rem}
body.compact button{padding:.3rem .6rem;font-size:.72rem}
body.compact button.preset,body.compact button.dice{padding:.22rem .45rem;font-size:.68rem}
body.compact label{padding:.04rem 0;font-size:.7rem;
                   grid-template-columns:5.6rem minmax(0,1fr) 2.8rem}
body.compact .grid{gap:.35rem 1rem;grid-template-columns:repeat(auto-fit,minmax(250px,1fr))}
body.compact select{font-size:.7rem;padding:.1rem .2rem}