body {
  font-family: 'Segoe UI', sans-serif;
  background: #1e1e1e;
  color: #fff;
  text-align: center;
  padding: 20px;
}

h1, h2 {
  margin-bottom: 10px;
}

#controls button {
  margin: 5px;
  padding: 10px 15px;
  font-size: 1rem;
  border: none;
  border-radius: 8px;
  background-color: #3498db;
  color: white;
  cursor: pointer;
  transition: background 0.3s ease;
}

#controls button:hover {
  background-color: #2980b9;
}

#palette-container {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 15px;
  margin: 20px 0;
}

.color-box {
  width: 100px;
  height: 100px;
  border-radius: 10px;
  position: relative;
  cursor: grab;
  box-shadow: 0 0 10px rgba(0,0,0,0.3);
  transition: transform 0.2s ease;
}

.color-box:hover {
  transform: scale(1.05);
}

.color-code {
  position: absolute;
  bottom: 8px;
  left: 0;
  right: 0;
  font-size: 0.9rem;
  color: #fff;
  background: rgba(0,0,0,0.5);
  padding: 4px;
  border-radius: 0 0 10px 10px;
}

#gradient-preview {
  margin: 20px auto;
  width: 80%;
  height: 40px;
  border-radius: 20px;
  background: linear-gradient(to right, #000, #fff);
  box-shadow: 0 0 10px rgba(0,0,0,0.3);
}

#preview-box {
  margin: 20px auto;
  padding: 20px;
  width: 300px;
  border-radius: 10px;
  background-color: #ffffff;
  color: #000000;
  box-shadow: 0 0 10px rgba(0,0,0,0.2);
}