body {
  font-family: 'Segoe UI', sans-serif;
  background: #f8f9fa;
  margin: 0;
  padding: 20px;
}

.container {
  max-width: 750px;
  margin: auto;
  background: #fff;
  padding: 20px;
  border-radius: 12px;
  box-shadow: 0 0 12px rgba(0, 0, 0, 0.05);
}

textarea, select {
  width: 100%;
  margin-top: 10px;
  padding: 10px;
  border-radius: 8px;
  border: 1px solid #ccc;
  box-sizing: border-box;
}

button {
  margin-top: 15px;
  width: 100%;
  padding: 12px;
  background: #0077b6;
  color: white;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  font-size: 16px;
}

pre#logBox {
  margin-top: 20px;
  background: #f1f3f5;
  padding: 15px;
  border-radius: 8px;
  white-space: pre-line;
  font-size: 14px;
}

.checkboxes {
  margin-top: 15px;
}