body {
  font-family: 'Segoe UI', sans-serif;
  background: #f0f2f5;
  margin: 0;
  padding: 30px;
  text-align: center;
}

.tool-wrapper {
  max-width: 600px;
  margin: auto;
  background: white;
  padding: 30px;
  border-radius: 16px;
  box-shadow: 0 5px 25px rgba(0, 0, 0, 0.1);
}

h1 {
  color: #333;
  margin-bottom: 10px;
}

.upload-area {
  border: 2px dashed #007bff;
  padding: 30px;
  border-radius: 10px;
  background: #eaf4ff;
  cursor: pointer;
  position: relative;
  margin-bottom: 20px;
}

.upload-area p {
  font-size: 16px;
  color: #007bff;
}

#uploadInput {
  opacity: 0;
  position: absolute;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  cursor: pointer;
}

.control-area {
  margin-bottom: 20px;
}

select, button {
  padding: 10px 15px;
  margin: 5px;
  font-size: 16px;
  border-radius: 8px;
  border: 1px solid #ccc;
}

button {
  background-color: #28a745;
  color: white;
  border: none;
  cursor: pointer;
}

button:hover {
  background-color: #218838;
}

#previewArea {
  margin-top: 20px;
}

#previewImg {
  max-width: 100%;
  border: 1px solid #ddd;
  border-radius: 10px;
  margin-top: 10px;
}

#svgPreview svg {
  width: 100%;
  height: auto;
  margin-top: 10px;
}

#downloadLink {
  display: inline-block;
  margin-top: 20px;
  background: #007bff;
  color: white;
  padding: 12px 20px;
  text-decoration: none;
  border-radius: 8px;
}