.test-container {
  width: 80%;
  max-width: 700px;
  margin: 60px auto;
  padding: 30px;
  background: #fff;
  border-radius: 20px;
  box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}

.test-container h1 {
  text-align: center;
  color: #1a73e8;
}

#progress-bar {
  width: 100%;
  background: #eee;
  border-radius: 20px;
  margin: 20px 0;
  height: 12px;
}

#progress {
  height: 12px;
  width: 0%;
  background: linear-gradient(90deg, #1a73e8, #4dd0e1);
  border-radius: 20px;
  transition: width 0.3s ease;
}

.question {
  margin: 25px 0;
}

.question h3 {
  color: #333;
}

label {
  display: block;
  margin: 8px 0;
  cursor: pointer;
}

.submit-btn {
  background: #1a73e8;
  color: #fff;
  border: none;
  padding: 12px 20px;
  border-radius: 10px;
  font-size: 16px;
  cursor: pointer;
  transition: background 0.3s;
}

.submit-btn:hover {
  background: #155ab6;
}

.result-container {
  text-align: center;
  margin: 80px auto;
  max-width: 600px;
  background: #fff;
  padding: 40px;
  border-radius: 20px;
  box-shadow: 0 3px 12px rgba(0,0,0,0.1);
}

.niveau {
  color: #1a73e8;
  font-weight: bold;
  font-size: 18px;
}

.retour-btn {
  display: inline-block;
  margin-top: 20px;
  padding: 10px 18px;
  background: #4dd0e1;
  color: #fff;
  border-radius: 10px;
  text-decoration: none;
}