.wrap-visualizer {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
}
.wrap-visualizer img {
  width: 100%;
  display: block;
}
.color-overlay {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background-color: #000;
  mix-blend-mode: multiply;
  opacity: 0.75;
  transition: background-color 0.3s;
  pointer-events: none;
}
.swatch-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  margin-top: 20px;
  gap: 10px;
}
.swatch {
  width: 40px;
  height: 40px;
  border-radius: 4px;
  cursor: pointer;
  border: 2px solid #fff;
  box-shadow: 0 0 4px rgba(0,0,0,0.3);
}