body {
  font-family: Arial, sans-serif;
  background-color: #f8f8f8;
  margin: 0;
  padding: 0;
}

.container {
  max-width: 600px;
  margin: 2em auto;
  background-color: #fff;
  padding: 2em;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  position: relative;
}

/* Top-links for navigation (both switching and back links) */
.top-links {
  display: flex;
  justify-content: flex-end;
  margin-bottom: 1em;
}

.top-links a {
  text-decoration: none;
  color: #007bff;
  font-weight: bold;
}

h1,
h2 {
  text-align: center;
  color: #333;
}

.form-group {
  margin-bottom: 1em;
}

.form-group label {
  display: block;
  margin-bottom: 0.5em;
  color: #555;
}

.form-group input {
  width: 100%;
  padding: 0.5em;
  font-size: 1em;
}

button[type="submit"],
button[type="button"] {
  width: 100%;
  padding: 0.75em;
  font-size: 1em;
  background-color: #007bff;
  border: none;
  color: #fff;
  cursor: pointer;
  border-radius: 4px;
  margin-top: 0.5em;
}

button[type="submit"]:hover,
button[type="button"]:hover {
  background-color: #0056b3;
}

.download-link {
  text-align: center;
  margin-top: 1em;
}

.download-link a {
  text-decoration: none;
  color: #007bff;
  font-weight: bold;
}

/* Styles for custom lines in Advanced Version */
.custom-line {
  margin-bottom: 0.5em;
}

.custom-inputs {
  display: flex;
  gap: 0.5em;
}

.custom-inputs input {
  flex: 1;
  padding: 0.5em;
  font-size: 1em;
}

/* Remove button displayed on its own line below the custom inputs */
.custom-line button.removeCustomLine {
  display: block;
  margin-top: 0.5em;
}

/* Additional styling for bottom links if needed */
.back-link,
.advanced-link {
  text-align: center;
  margin-top: 1em;
}

.back-link a,
.advanced-link a {
  text-decoration: none;
  color: #007bff;
  font-weight: bold;
}