body {
  font-family: 'Segoe UI', sans-serif;
  background: linear-gradient(to right, #111, #1a1a1a);
  color: #eee;
  margin: 0;
  padding: 0;
}

.container {
  padding: 20px;
  max-width: 1400px;
  margin: auto;
}

h1 {
  text-align: center;
  color: #00ffaa;
}

#dropzone {
  border: 3px dashed #555;
  padding: 50px;
  margin: 20px 0;
  border-radius: 12px;
  background-color: #222;
  text-align: center;
  cursor: pointer;
  color: #ccc;
}

.controls {
  background: #1b1b1b;
  padding: 20px;
  border-radius: 12px;
  margin: 20px 0;
}

.slider-group label {
  display: block;
  margin: 10px 0;
}

input[type=range] {
  width: 300px;
}

#variants-container {
  display: flex;
  flex-wrap: wrap;
  gap: 15px;
  justify-content: center;
}

.variant-image {
  border: 2px solid #333;
  border-radius: 10px;
  max-width: 250px;
  transition: transform 0.3s ease;
}

.variant-image:hover {
  transform: scale(1.05);
}