body {
  font-family: Arial, sans-serif;
  background-color: #f4f4f4;
  margin: 0;
  padding: 20px;
  color: #333;
}

.container {
  max-width: 800px;
  margin: auto;
  background: white;
  padding: 20px;
  border-radius: 8px;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

h1, h2, h3 {
  color: #2c3e50;
}

.upload-section {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 20px;
}

input[type="file"],
input[type="url"] {
  padding: 10px;
  font-size: 16px;
  width: 100%;
  box-sizing: border-box;
}

button {
  background-color: #3498db;
  color: white;
  border: none;
  padding: 10px 20px;
  font-size: 16px;
  cursor: pointer;
  border-radius: 5px;
  transition: background-color 0.3s;
}

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

.preview {
  margin-top: 20px;
}

.result {
  margin-top: 30px;
  background: #ecf0f1;
  padding: 15px;
  border-left: 4px solid #2ecc71;
  border-radius: 5px;
}

.result.hidden {
  display: none;
}

.log {
  margin-top: 40px;
}

ul#logList {
  list-style-type: disc;
  padding-left: 20px;
}