#fff-pendulum-wave.fff-pw {
    --pw-panel: rgba(11, 25, 23, .92);
    --pw-text: #f4f3ed;
    --pw-muted: rgba(244, 243, 237, .64);
    --pw-line: rgba(255,255,255,.13);
    width: min(100%, 920px);
    margin: 0 auto;
    color: var(--pw-text);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  }

  #fff-pendulum-wave * { box-sizing: border-box; }

  #fff-pendulum-wave .fff-pw__stage {
    position: relative;
    overflow: hidden;
    aspect-ratio: 4 / 5;
    min-height: 420px;
    max-height: 78vh;
    border-radius: 24px 24px 0 0;
    background:
      radial-gradient(circle at 52% 38%, rgba(66, 108, 91, .24), transparent 38%),
      radial-gradient(circle at 18% 18%, rgba(150, 118, 82, .12), transparent 32%),
      linear-gradient(160deg, #18352f 0%, #102923 47%, #081a17 100%);
    box-shadow: 0 26px 70px rgba(0,0,0,.26);
  }

  #fff-pendulum-wave .fff-pw__canvas {
    display: block;
    width: 100%;
    height: 100%;
    touch-action: none;
  }

  #fff-pendulum-wave .fff-pw__topbar {
    position: absolute;
    inset: 0 0 auto 0;
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 16px;
    padding: 18px 20px;
    pointer-events: none;
  }

  #fff-pendulum-wave .fff-pw__title,
  #fff-pendulum-wave .fff-pw__subtitle { display: block; }
  #fff-pendulum-wave .fff-pw__title { font-size: 15px; letter-spacing: .03em; }
  #fff-pendulum-wave .fff-pw__subtitle,
  #fff-pendulum-wave .fff-pw__status { color: var(--pw-muted); font-size: 12px; }
  #fff-pendulum-wave .fff-pw__status {
    padding: 7px 10px;
    border: 1px solid rgba(255,255,255,.12);
    border-radius: 999px;
    background: rgba(0,0,0,.14);
    backdrop-filter: blur(8px);
  }

  #fff-pendulum-wave .fff-pw__controls {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
    padding: 20px;
    border-top: 1px solid var(--pw-line);
    border-radius: 0 0 24px 24px;
    background: var(--pw-panel);
    box-shadow: 0 26px 70px rgba(0,0,0,.18);
    backdrop-filter: blur(16px);
  }

  #fff-pendulum-wave .fff-pw__actions {
    display: flex;
    flex-direction: column;
    gap: 9px;
    justify-content: center;
  }

  #fff-pendulum-wave .fff-pw__button {
    appearance: none;
    width: 100%;
    min-height: 44px;
    border: 1px solid rgba(255,255,255,.15);
    border-radius: 12px;
    padding: 10px 12px;
    color: var(--pw-text);
    background: rgba(255,255,255,.07);
    font: inherit;
    font-size: 13px;
    font-weight: 650;
    cursor: pointer;
    transition: transform .15s ease, background .15s ease;
  }
  #fff-pendulum-wave .fff-pw__button:hover { background: rgba(255,255,255,.12); }
  #fff-pendulum-wave .fff-pw__button:active { transform: scale(.98); }
  #fff-pendulum-wave .fff-pw__play { background: rgba(255,255,255,.13); }

  #fff-pendulum-wave .fff-pw__control { display: block; min-width: 0; }
  #fff-pendulum-wave .fff-pw__control-head {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    gap: 10px;
    margin-bottom: 12px;
    font-size: 13px;
  }
  #fff-pendulum-wave output { color: var(--pw-muted); font-variant-numeric: tabular-nums; }
  #fff-pendulum-wave .fff-pw__hint {
    display: block;
    margin-top: 8px;
    color: var(--pw-muted);
    font-size: 11px;
    line-height: 1.35;
  }

  #fff-pendulum-wave input[type="range"] {
    width: 100%;
    margin: 5px 0 0;
    accent-color: #f4f3ed;
    cursor: pointer;
  }

  #fff-pendulum-wave .fff-pw__ticks {
    display: flex;
    justify-content: space-between;
    padding: 0 3px;
    margin-top: 2px;
  }
  #fff-pendulum-wave .fff-pw__ticks i {
    width: 1px;
    height: 4px;
    background: rgba(255,255,255,.22);
  }

  #fff-pendulum-wave .fff-pw__sound-labels {
    display: flex;
    justify-content: space-between;
    gap: 8px;
    margin-top: 5px;
    color: var(--pw-muted);
    font-size: 10px;
    line-height: 1.2;
  }

  #fff-pendulum-wave .fff-pw__sound-labels span:nth-child(2) {
    text-align: center;
  }

  #fff-pendulum-wave .fff-pw__sound-labels span:last-child {
    text-align: right;
  }

  @media (max-width: 760px) {
    #fff-pendulum-wave .fff-pw__stage {
      min-height: 0;
      aspect-ratio: 4 / 5;
      border-radius: 18px 18px 0 0;
    }
    #fff-pendulum-wave .fff-pw__controls {
      grid-template-columns: 1fr;
      gap: 16px;
      padding: 17px;
      border-radius: 0 0 18px 18px;
    }
    #fff-pendulum-wave .fff-pw__actions {
      display: grid;
      grid-template-columns: 1fr 1fr;
    }
    #fff-pendulum-wave .fff-pw__topbar { padding: 15px; }
  }

  @media (prefers-reduced-motion: reduce) {
    #fff-pendulum-wave .fff-pw__button { transition: none; }
  }

/* FFF LAB INTEGRATION LAYER — visual only; core simulation stays unchanged */
#fff-pendulum-wave.fff-pw{
  --fff-surface:#ffffff;
  --fff-soft:#f6f4ee;
  --fff-ink:#171b18;
  --fff-muted:#6b726d;
  --fff-border:rgba(23,27,24,.12);
  --fff-accent:#1d4b3e;
  --fff-accent-soft:#dfeae5;
  --pw-text:var(--fff-ink);
  --pw-muted:var(--fff-muted);
  --pw-line:var(--fff-border);
  width:min(100%,1040px);
  color:var(--fff-ink);
  font-family:inherit;
  background:var(--fff-surface);
  border:1px solid var(--fff-border);
  border-radius:22px;
  overflow:hidden;
  box-shadow:0 10px 28px rgba(18,31,26,.07);
}
#fff-pendulum-wave .fff-pw__lab-intro{
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap:24px;
  padding:18px 20px 17px;
  background:var(--fff-surface);
  border-bottom:1px solid var(--fff-border);
}
#fff-pendulum-wave .fff-pw__eyebrow{
  flex:0 0 auto;
  color:var(--fff-accent);
  font-size:11px;
  line-height:1.35;
  font-weight:700;
  letter-spacing:.085em;
}
#fff-pendulum-wave .fff-pw__lab-intro p{
  width:min(100%,620px);
  margin:0;
  color:var(--fff-muted);
  font-size:13px;
  line-height:1.5;
}
#fff-pendulum-wave .fff-pw__stage{
  border-radius:0;
  box-shadow:none;
  max-height:72vh;
}
#fff-pendulum-wave .fff-pw__topbar{color:#f6f4ee;text-shadow:0 1px 14px rgba(0,0,0,.35)}
#fff-pendulum-wave .fff-pw__subtitle,
#fff-pendulum-wave .fff-pw__status{color:rgba(246,244,238,.68)}
#fff-pendulum-wave .fff-pw__status{
  border-color:rgba(255,255,255,.14);
  background:rgba(4,14,12,.28);
}
#fff-pendulum-wave .fff-pw__controls{
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:17px;
  padding:20px;
  color:var(--fff-ink);
  background:var(--fff-soft);
  border-top:1px solid var(--fff-border);
  border-radius:0;
  box-shadow:none;
  backdrop-filter:none;
}
#fff-pendulum-wave .fff-pw__button{
  color:var(--fff-ink);
  background:#fff;
  border-color:var(--fff-border);
  border-radius:11px;
}
#fff-pendulum-wave .fff-pw__button:hover{background:#fbfaf7}
#fff-pendulum-wave .fff-pw__play{
  color:#fff;
  background:var(--fff-accent);
  border-color:var(--fff-accent);
}
#fff-pendulum-wave .fff-pw__play:hover{background:#163d32}
#fff-pendulum-wave output,
#fff-pendulum-wave .fff-pw__hint,
#fff-pendulum-wave .fff-pw__sound-labels{color:var(--fff-muted)}
#fff-pendulum-wave input[type="range"]{accent-color:var(--fff-accent)}
#fff-pendulum-wave .fff-pw__ticks i{background:rgba(23,27,24,.22)}
#fff-pendulum-wave .fff-pw__control-head>span:first-child{font-weight:650}
@media(max-width:760px){
  #fff-pendulum-wave.fff-pw{border-radius:18px}
  #fff-pendulum-wave .fff-pw__lab-intro{display:block;padding:15px 16px 14px}
  #fff-pendulum-wave .fff-pw__lab-intro p{margin-top:7px;font-size:12px}
  #fff-pendulum-wave .fff-pw__stage{border-radius:0;aspect-ratio:4/5}
  #fff-pendulum-wave .fff-pw__controls{grid-template-columns:1fr;padding:16px;border-radius:0}
}