.qw-wrapper {
  max-width: 700px;
  margin: 40px auto;
  background: white;
  padding: 30px;
  border-radius: 16px;
  box-shadow: 0 10px 25px rgba(0,0,0,0.08);
  font-family: Arial, sans-serif;
}

.qw-progress-bar {
  height: 8px;
  background: #e5e7eb;
  border-radius: 10px;
  overflow: hidden;
  margin-bottom: 20px;
}

.qw-progress-fill {
  height: 100%;
  width: 0%;
  background: #4f46e5;
  transition: width 0.3s ease;
}

.qw-option {
  margin: 12px 0;
  padding: 12px 16px;
  background: #f9fafb;
  border-radius: 10px;
  border: 2px solid transparent;
  cursor: pointer;
  transition: 0.2s;
}

.qw-option:hover {
  background: #eef2ff;
}

.qw-correct {
  border-color: #16a34a;
  background: #dcfce7;
}

.qw-incorrect {
  border-color: #dc2626;
  background: #fee2e2;
}

.qw-result-correct {
  color: #16a34a;
}

.qw-result-incorrect {
  color: #dc2626;
}

.qw-button {
  padding: 8px 14px;
  border-radius: 8px;
  border: none;
  background: #4f46e5;
  color: white;
  cursor: pointer;
  margin-top: 15px;
  margin-right: 10px;
}

.qw-button:hover {
  background: #4338ca;
}

.qw-review {
  margin-top: 20px;
  padding: 15px;
  background: #f9fafb;
  border-radius: 10px;
}

.qw-review h4 {
  margin-bottom: 5px;
}