.quiz-modal {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 120;
  background: rgba(20, 19, 34, 0.65);
  backdrop-filter: blur(4px);
  align-items: center;
  justify-content: center;
  padding: 16px;
}

.quiz-modal.active {
  display: flex;
}

.quiz-card {
  background: #fff;
  width: 100%;
  max-width: 760px;
  border-radius: 24px;
  overflow: hidden;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.25);
}