.scaler-control {
  position: fixed;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 12px;
  background: transparent;
  padding: 12px 18px;
  border-radius: 20px;
  box-shadow: 0 8px 20px rgba(0,0,0,0.4);
  color: #fff;
  font-family: 'Inter', sans-serif;
  z-index: 9999999;
  transition: all 0.3s ease;
}

.scaler-control span {
  font-weight: 600;
  font-size: 0.95rem;
}

.scaler-control input[type="range"] {
  -webkit-appearance: none;
  width: 160px;
  height: 8px;
  border-radius: 6px;
  background: linear-gradient(90deg, #6366f1, #22c55e);
  box-shadow: inset 0 1px 3px rgba(0,0,0,0.3);
  cursor: pointer;
  transition: background 0.3s ease, box-shadow 0.3s ease;
}

/* Track - Firefox */
.scaler-control input[type="range"]::-moz-range-track {
  height: 8px;
  border-radius: 6px;
  background: linear-gradient(90deg, #6366f1, #22c55e);
}

/* Thumb - Chrome, Safari */
.scaler-control input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: #fff;
  border: 3px solid #6366f1;
  box-shadow: 0 4px 10px rgba(0,0,0,0.3), 0 0 6px #6366f1aa;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.scaler-control input[type="range"]::-webkit-slider-thumb:hover {
  transform: scale(1.2);
  box-shadow: 0 6px 14px rgba(0,0,0,0.4), 0 0 10px #6366f1cc;
}

/* Thumb - Firefox */
.scaler-control input[type="range"]::-moz-range-thumb {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: #fff;
  border: 3px solid #6366f1;
  box-shadow: 0 4px 10px rgba(0,0,0,0.3), 0 0 6px #6366f1aa;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.scaler-control input[type="range"]::-moz-range-thumb:hover {
  transform: scale(1.2);
  box-shadow: 0 6px 14px rgba(0,0,0,0.4), 0 0 10px #6366f1cc;
}

/* Value bubble */
.scaler-control .value {
  min-width: 36px;
  text-align: center;
  font-weight: bold;
  color: #fff;
}