:root { --bg:#e9e6df; --panel:#f4f2ec; --ink:#1f1d1a; --muted:#6b675f; --rule:#cfcac0; --rule-soft:#e2ded5; --accent:#a4432a; --accent-ink:#fff; }
  * { box-sizing:border-box }
  html, body { margin:0; height:100%; background:var(--bg); color:var(--ink); font:14px/1.45 -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif; }
  #app { position:relative; width:100%; height:100%; display:flex; overflow:hidden; }
  #stage { position:relative; flex:1; min-width:0; overflow:hidden; }
  #gl { display:block; width:100%; height:100%; touch-action:none; }
  .chip { position:absolute; background:rgba(244,242,236,.92); border:1px solid var(--rule); padding:6px 10px; font-size:12px; letter-spacing:.06em; text-transform:uppercase; color:var(--muted); }
  #viewname { left:12px; top:12px; color:var(--ink); }
  #readout { right:12px; top:12px; font-variant-numeric:tabular-nums; }
  #hint { left:12px; bottom:12px; }
  #loading { position:absolute; inset:0; display:flex; align-items:center; justify-content:center; flex-direction:column; gap:10px; background:var(--bg); z-index:5; }
  #bar { width:220px; height:4px; background:var(--rule-soft); } #bar i { display:block; height:100%; width:0; background:var(--accent); }
  #side { width:300px; flex:none; background:var(--panel); border-left:1px solid var(--rule); overflow:auto; padding:14px 16px 24px; }
  #side h1 { font-size:18px; margin:0 0 2px; letter-spacing:.02em; }
  #side .sub { color:var(--muted); font-size:12px; margin-bottom:14px; }
  h2 { font-size:11px; letter-spacing:.12em; text-transform:uppercase; color:var(--accent); margin:18px 0 8px; }
  .btns { display:flex; flex-wrap:wrap; gap:6px; }
  .btns button { font:inherit; font-size:12px; padding:6px 9px; border:1px solid var(--rule); background:#fff; color:var(--ink); cursor:pointer; }
  .btns button[aria-pressed="true"] { background:var(--accent); color:var(--accent-ink); border-color:var(--accent); }
  input[type=range] { width:100%; accent-color:var(--accent); }
  .rows { display:flex; flex-direction:column; gap:1px; background:var(--rule-soft); border:1px solid var(--rule-soft); }
  .row { display:flex; align-items:center; gap:9px; padding:7px 8px; background:var(--panel); cursor:pointer; user-select:none; }
  .row input { accent-color:var(--accent); margin:0; width:14px; height:14px; }
  .row .sw { width:14px; height:14px; border:1px solid var(--rule); flex:none; }
  .row span { font-size:12.5px; }
  .note { color:var(--muted); font-size:12px; }
  #toggle { display:none; position:absolute; right:12px; bottom:12px; z-index:4; font:inherit; font-size:12px; padding:8px 12px; border:1px solid var(--rule); background:rgba(244,242,236,.95); cursor:pointer; }
  #explodeBtn { position:absolute; left:12px; top:50px; z-index:2; font:inherit; font-size:12px; letter-spacing:.06em; text-transform:uppercase; padding:6px 10px; border:1px solid var(--rule); background:rgba(244,242,236,.95); color:var(--ink); cursor:pointer; }
  #explodeBtn[aria-pressed="true"] { background:var(--accent); color:var(--accent-ink); border-color:var(--accent); }
  .blabel { left:0; top:0; display:none; padding:3px 7px; font-size:11px; color:var(--ink); white-space:nowrap; pointer-events:none; }
  .blabel b { font-weight:600; color:var(--accent); }
  .xrow { display:flex; align-items:center; gap:10px; margin-top:8px; }
  .xrow input { flex:1; min-width:0; }
  .xrow output { font-size:12px; color:var(--muted); min-width:3.2em; text-align:right; font-variant-numeric:tabular-nums; }
  .btns button.reset { background:transparent; color:var(--accent); }
  @media (max-width: 760px) {
    #side { position:absolute; right:0; top:0; bottom:0; width:min(300px, 86vw); transform:translateX(100%); transition:transform .2s; z-index:3; }
    #app.open #side { transform:none; }
    #toggle { display:block; }
    #readout { display:none; }
    #explodeBtn { left:auto; top:auto; right:12px; bottom:56px; padding:8px 12px; }
    #hint { max-width:calc(100% - 150px); }
    .blabel { font-size:10px; padding:2px 6px; }
  }
  body.embed #side h1, body.embed #side .sub { display:none; }