body {
  font-family: Arial, sans-serif;
  background: #f4f7fb;
  margin: 0;
  padding: 0;
}

.form-container {
  max-width: 600px;
  margin: 40px auto;
  background: #fff;
  padding: 30px;
  border-radius: 12px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
}

h1 {
  text-align: center;
  margin-bottom: 25px;
  color: #222;
}

.form-group {
  margin-bottom: 18px;
}

label {
  display: block;
  margin-bottom: 6px;
  font-weight: bold;
  color: #333;
}

input[type="text"],
input[type="file"] {
  width: 100%;
  box-sizing: border-box;
  padding: 10px;
  border: 1px solid #ccc;
  border-radius: 8px;
  background: #fafafa;
}

button {
  width: 100%;
  padding: 12px;
  border: none;
  border-radius: 8px;
  background: #0077cc;
  color: white;
  font-size: 16px;
  cursor: pointer;
}

button:hover {
  background: #005fa3;
}

.btn-retour {
  display: inline-block;
  padding: 10px 16px;
  background: #0077cc;
  color: #fff;
  text-decoration: none;
  border-radius: 6px;
}

.btn-retour:hover {
  background: #005fa3;
}