body {
  font-family: system-ui, sans-serif;
  background: #f5f7fa;
  display: flex;
  justify-content: center;
  margin-top: 60px;
}
.container {
  width: 600px;
  background: white;
  border-radius: 16px;
  padding: 30px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}
input {
  width: 100%;
  padding: 10px;
  margin-bottom: 10px;
}
button {
  background: #007bff;
  color: white;
  border: none;
  padding: 10px 20px;
  border-radius: 5px;
}
.fiche {
  background: #f0f0f0;
  padding: 15px;
  border-radius: 10px;
  white-space: pre-wrap;
  margin-top: 20px;
}