@media (max-width: 600px) {
      .wrap { max-width: 100vw; width: 100vw; padding: 0; margin: 0; }
      .stage-wrap { padding: 0; width: 100vw; max-width: 100vw; }
  .stage-wrap { display: none !important; }
  canvas#stage { width: 100vw !important; height: auto !important; min-width: 0; display: block; margin: 0 auto; border-radius: 0; border: none !important; }
      .panel { display: none; }
    }
    @media (max-width: 600px) {
      html, body { font-size: 15px; overflow: hidden; }
      .wrap { grid-template-columns: 1fr; max-width: 100vw; width: 100vw; padding: 0; margin: 0; gap: 12px; }
      .panel, .stage-wrap { border-radius: 0; padding: 0; box-shadow: none; border: none !important; }
  .stage-header { display: none; }
      canvas#stage { min-width: 0; max-width: 100vw; height: auto; border-radius: 0; border: none !important; }
      .mini-wrap { grid-template-columns: 1fr; gap: 8px; }
      .controls { padding: 8px; font-size: 14px; }
      .keys { grid-template-columns: 1fr; gap: 8px; font-size: 15px; }
      .btn, .btn.secondary { font-size: 15px; padding: 10px 12px; border-radius: 10px; }
      .stat .value { font-size: 18px; }
      .stat .label { font-size: 10px; }
      .overlay .big { font-size: 24px; }
      .overlay .sub { font-size: 12px; }
    }
    :root{
      --bg1:#0f0c29; --bg2:#302b63; --bg3:#24243e; --glass: rgba(255,255,255,0.08);
      --glass-strong: rgba(255,255,255,0.14); --text:#f8fbff; --muted:#a6b1c2; --accent:#38fbd3; --danger:#ff5ea8;
      --shadow: 0 10px 30px rgba(0,0,0,0.45), inset 0 0 30px rgba(255,255,255,0.02);
    }
    * { box-sizing: border-box; }
  html, body { height: 100%; min-height: 100svh; margin: 0; color: var(--text);
      font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, "Helvetica Neue", Arial, "Noto Sans", "Liberation Sans", sans-serif;
      background: radial-gradient(circle at 20% 10%, #1a1356, transparent 40%),
                  radial-gradient(circle at 80% 90%, #1b3652, transparent 35%),
                  linear-gradient(135deg, var(--bg1), var(--bg2) 50%, var(--bg3));
      overflow: hidden; }
    body::before, body::after { content:""; position: fixed; inset: -30vmax; pointer-events: none;
      background: radial-gradient(ellipse at 30% 30%, rgba(56,251,211,0.12), transparent 40%),
                  radial-gradient(ellipse at 70% 70%, rgba(255,94,168,0.10), transparent 40%);
      filter: blur(40px); animation: drift 22s ease-in-out infinite alternate; z-index: 0; }
    body::after { animation-duration: 28s; animation-direction: alternate-reverse; opacity: .8; }
    @keyframes drift { 0%{ transform: translate3d(-2%, -2%, 0) rotate(0.3deg)} 100%{ transform: translate3d(2%, 2%, 0) rotate(-0.3deg)} }

    .wrap { position: relative; z-index: 1; display: grid; grid-template-columns: minmax(280px, 520px) minmax(240px, 360px);
      gap: 22px; max-width: 980px; margin: clamp(8px, 4vh, 22px) auto; padding: clamp(6px, 2vh, 14px); }
    .panel, .stage-wrap { background: linear-gradient(180deg, rgba(255,255,255,0.10), rgba(255,255,255,0.04));
      border: 1px solid rgba(255,255,255,0.14); border-radius: 16px; box-shadow: var(--shadow);
      backdrop-filter: blur(8px) saturate(118%); -webkit-backdrop-filter: blur(8px) saturate(118%); }
    .stage-header { display: flex; align-items: center; justify-content: space-between; padding-bottom: 10px; border-bottom: 1px dashed rgba(255,255,255,0.16); }
    .title { font-weight: 800; letter-spacing: .6px; text-transform: uppercase; display: inline-flex; gap: 8px; align-items: center; }
    .title .dot { width: 10px; height: 10px; border-radius: 50%; background: radial-gradient(circle at 35% 35%, #fff, #87ffe8 40%, rgba(0,0,0,0) 70%);
      box-shadow: 0 0 12px #38fbd3, 0 0 26px rgba(56,251,211,0.5); animation: pulse 1.8s ease-in-out infinite; }
    @keyframes pulse { 50% { transform: scale(0.9); filter: brightness(1.4)} }
  canvas#stage { display: block; width: 100%; height: auto; border-radius: 12px;
      background: linear-gradient(180deg, rgba(5,8,18,0.7), rgba(12,15,28,0.8)); border: 1px solid rgba(255,255,255,0.08);
      box-shadow: inset 0 0 40px rgba(0,0,0,0.45), 0 8px 22px rgba(0,0,0,0.35); }
    .overlay { position: absolute; inset: 16px 16px 12px; border-radius: 12px; display: grid; place-items: center;
      background: linear-gradient(180deg, rgba(8,12,24,0.72), rgba(8,12,24,0.78)); border: 1px solid rgba(255,255,255,0.08);
      visibility: hidden; opacity: 0; transition: .25s ease; }
    .overlay.show { visibility: visible; opacity: 1; }
    .overlay .msg { text-align: center; line-height: 1.1; font-weight: 800; letter-spacing: .5px; text-transform: uppercase; text-shadow: 0 2px 18px rgba(0,0,0,0.7); }
    .overlay .big { font-size: clamp(28px, 4vw, 46px); margin-bottom: 8px; background: linear-gradient(90deg, #38fbd3, #7ce7ff, #ff5ea8);
      -webkit-background-clip: text; background-clip: text; color: transparent; }
    .overlay .sub { font-size: 14px; color: var(--muted); margin-bottom: 14px; }
    .overlay .btns { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; }
    .btn { appearance: none; border: none; padding: 10px 14px; border-radius: 10px; cursor: pointer; font-weight: 700; letter-spacing: .4px;
      color: #071217; background: linear-gradient(90deg, #38fbd3, #7ce7ff); box-shadow: 0 8px 20px rgba(56,251,211,0.28); touch-action: manipulation; }
    .btn.secondary { background: linear-gradient(90deg, #ff93c9, #ff5ea8); color: #210414; box-shadow: 0 8px 20px rgba(255,94,168,0.28); }

    .panel { padding: 16px; display: grid; grid-template-rows: auto auto auto 1fr; gap: 14px; }
    .stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; }
    .stat { background: var(--glass); border: 1px solid rgba(255,255,255,0.12); border-radius: 12px; padding: 10px; text-align: center; box-shadow: var(--shadow); }
    .stat .label { font-size: 11px; color: var(--muted); text-transform: uppercase; letter-spacing: .8px; }
    .stat .value { font-size: clamp(16px, 2.8vw, 22px); font-weight: 800; }
    .mini-wrap { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
    .mini { background: var(--glass); border: 1px solid rgba(255,255,255,0.12); border-radius: 12px; padding: 10px; box-shadow: var(--shadow); }
    .mini h4 { margin: 0 0 6px 0; font-size: 12px; font-weight: 800; text-transform: uppercase; letter-spacing: .7px; color: var(--muted); }
    canvas.mini-canvas { width: 100%; aspect-ratio: 1 / 1; display: block; border-radius: 8px; background: linear-gradient(180deg, rgba(5,8,18,0.35), rgba(12,15,28,0.45)); border: 1px solid rgba(255,255,255,0.08); }
    .controls { background: var(--glass); border: 1px solid rgba(255,255,255,0.12); border-radius: 12px; padding: 12px; box-shadow: var(--shadow); }
    .controls h4 { margin: 0 0 8px; font-size: 12px; font-weight: 800; text-transform: uppercase; letter-spacing: .7px; color: var(--muted); }
    .keys { display: grid; grid-template-columns: repeat(2, 1fr); gap: 6px 10px; font-size: 13px; }
    .key { color: #dce6ff; }
    .key kbd { display: inline-block; min-width: 24px; padding: 2px 6px; margin-right: 6px; border-radius: 6px; border: 1px solid rgba(255,255,255,0.18);
      background: linear-gradient(180deg, rgba(255,255,255,0.22), rgba(255,255,255,0.06)); color: #091019; font-weight: 800; font-size: 12px;
      box-shadow: inset 0 -1px 0 rgba(0,0,0,0.25), 0 2px 10px rgba(0,0,0,0.25); }
    footer { grid-column: 1 / -1; text-align: center; font-size: 12px; color: var(--muted); opacity: .9; }
    @media (max-width: 900px) { .wrap { grid-template-columns: 1fr; max-width: min(96vw, 540px); } }

    /* Touch controls bar for mobile */
    /* no on-screen button bar on mobile */