body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background: #f2f2f2;
  margin: 0;
  padding: 20px;
}
.container {
  max-width: 800px;
  margin: auto;
  background: white;
  padding: 30px;
  border-radius: 12px;
  box-shadow: 0 2px 15px rgba(0,0,0,0.1);
}
h1 {
  text-align: center;
  margin-bottom: 30px;
}
form label {
  display: block;
  margin-top: 15px;
}
input, textarea, select, button {
  width: 100%;
  padding: 10px;
  margin-top: 5px;
  font-size: 1em;
  border-radius: 6px;
  border: 1px solid #ccc;
}
button {
  background-color: #007BFF;
  color: white;
  margin-top: 20px;
  cursor: pointer;
  border: none;
}
button:hover {
  background-color: #0056b3;
}
.resultado textarea {
  background-color: #e9ecef;
}