body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  margin: 0;
  padding: 20px;
  background-color: #f4f7f9;
  color: #333;
}

.container {
  max-width: 800px;
  margin: 0 auto;
  background-color: #fff;
  padding: 30px;
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

h1, h2 {
  color: #1a253c;
  border-bottom: 2px solid #eef2f5;
  padding-bottom: 10px;
  margin-bottom: 20px;
}

#migration-form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  margin-bottom: 30px;
}

.server-config label {
  display: block;
  margin-bottom: 5px;
  font-weight: 600;
  color: #555;
}

.server-config input {
  width: 100%;
  padding: 10px;
  margin-bottom: 15px;
  border: 1px solid #ccc;
  border-radius: 4px;
  box-sizing: border-box;
}

button#start-button {
  grid-column: 1 / -1;
  padding: 12px 20px;
  background-color: #007bff;
  color: white;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  font-size: 16px;
  font-weight: 600;
  transition: background-color 0.3s;
}

button#start-button:disabled {
    background-color: #a0cfff;
    cursor: not-allowed;
}

button#start-button:hover:enabled {
  background-color: #0056b3;
}

.progress-log {
  margin-top: 20px;
}

#log {
  background-color: #282c34;
  color: #abb2bf;
  padding: 20px;
  border-radius: 4px;
  height: 300px;
  overflow-y: auto;
  white-space: pre-wrap;
  word-wrap: break-word;
  font-family: 'Courier New', Courier, monospace;
}