body {
  font-family: 'Segoe UI', sans-serif;
  background: #f0f2f5;
  margin: 0;
  padding: 40px;
  display: flex;
  justify-content: center;
}

.color-tool {
  background: white;
  padding: 30px;
  border-radius: 16px;
  box-shadow: 0 5px 25px rgba(0,0,0,0.1);
  max-width: 500px;
  width: 100%;
  text-align: center;
}

h1 {
  margin-bottom: 20px;
  color: #333;
}

.color-section {
  margin-bottom: 20px;
}

input[type="color"] {
  width: 100px;
  height: 50px;
  border: none;
  cursor: pointer;
}

.color-preview {
  width: 100%;
  height: 80px;
  margin: 20px 0;
  border-radius: 10px;
  border: 2px solid #ccc;
}

.input-section {
  display: flex;
  flex-direction: column;
  gap: 15px;
}

.input-group {
  display: flex;
  align-items: center;
  gap: 10px;
  justify-content: space-between;
}

.input-group input {
  flex: 1;
  padding: 10px;
  font-size: 16px;
  border-radius: 8px;
  border: 1px solid #ccc;
}

.input-group button {
  padding: 10px 15px;
  background: #007bff;
  color: white;
  border: none;
  border-radius: 8px;
  cursor: pointer;
}

.input-group button:hover {
  background: #0056b3;
}