body {
  font-family: Arial, sans-serif;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  margin: 0;
  background-color: #f4f4f4;
  color: #333;
}

#app {
  background-color: #fff;
  padding: 30px;
  border-radius: 10px;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
  text-align: center;
  width: 90%;
  max-width: 600px;
}

h1 {
  color: #555;
  margin-bottom: 30px;
  font-size: 1.8em;
}

/* Landing Page Styles */
#landing-page-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%; /* Take full height of app container */
}

#landing-page-container h1 {
  font-size: 2.2em;
  color: #333;
  margin-bottom: 40px;
}

.action-button {
  background-color: #007bff;
  color: white;
  border: none;
  padding: 15px 30px;
  border-radius: 8px;
  font-size: 1.2em;
  cursor: pointer;
  transition: background-color 0.3s ease, transform 0.2s ease;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.action-button:hover {
  background-color: #0056b3;
  transform: translateY(-2px);
}


#options-container {
  display: flex;
  flex-direction: column;
  gap: 15px;
  margin-bottom: 30px;
}

.option-button {
  background-color: #e0e0e0;
  border: none;
  padding: 15px 20px;
  border-radius: 8px;
  font-size: 1.1em;
  cursor: pointer;
  transition: background-color 0.3s ease, transform 0.2s ease;
  width: 100%;
  box-sizing: border-box;
}

.option-button:hover {
  background-color: #d0d0d0;
  transform: translateY(-2px);
}

.option-button.selected {
  background-color: #8bc34a; /* A pleasant green */
  color: white;
  font-weight: bold;
}

.text-input {
  width: calc(100% - 20px); /* Adjust for padding */
  padding: 15px 10px;
  border: 1px solid #ccc;
  border-radius: 8px;
  font-size: 1.1em;
  box-sizing: border-box;
  margin-bottom: 15px;
}

.text-input:focus {
  outline: none;
  border-color: #007bff;
  box-shadow: 0 0 5px rgba(0, 123, 255, 0.5);
}

#navigation-buttons {
  display: flex;
  justify-content: space-between;
  margin-top: 30px;
}

#navigation-buttons button, #restart-button {
  background-color: #007bff;
  color: white;
  border: none;
  padding: 12px 25px;
  border-radius: 8px;
  font-size: 1.05em;
  cursor: pointer;
  transition: background-color 0.3s ease;
}

#navigation-buttons button:disabled {
  background-color: #cccccc;
  cursor: not-allowed;
}

#navigation-buttons button:hover:not(:disabled), #restart-button:hover {
  background-color: #0056b3;
}

#results-container {
  margin-top: 20px;
}

#results-container h2 {
  color: #4CAF50;
  margin-bottom: 20px;
}

#recommendation-display {
  background-color: #e8f5e9;
  border: 1px solid #c8e6c9;
  padding: 20px;
  border-radius: 8px;
  white-space: pre-wrap;
  text-align: left;
  font-size: 0.95em;
  color: #388e3c;
  margin-bottom: 20px;
}

#restart-button {
  background-color: #6c757d;
}

#restart-button:hover {
  background-color: #5a6268;
}