body {
  font-family: sans-serif;
  background: #f0f4f8;
  margin: 0;
  padding: 2rem;
}
.container {
  max-width: 600px;
  margin: auto;
  background: white;
  padding: 2rem;
  border-radius: 10px;
  box-shadow: 0 0 10px rgba(0,0,0,0.1);
}
label {
  display: block;
  margin-top: 1rem;
}
input, select {
  width: 100%;
  padding: 0.5rem;
  margin-top: 0.25rem;
}
button {
  margin-top: 1rem;
  padding: 0.75rem;
  width: 100%;
  background: #00796b;
  color: white;
  border: none;
  border-radius: 5px;
}
#advice, #history {
  margin-top: 2rem;
  background: #fff3e0;
  padding: 1rem;
  border-left: 5px solid #ff9800;
}