.quiz-app {
  max-width: 560px;
  margin: 4rem auto 8rem;
  min-height: 360px;
  text-align: center;
  font-family: var(--bs-body-font-family, "Abhaya Libre", serif);
}

.quiz-app button,
.quiz-app input,
.quiz-app a {
  font-family: inherit;
}

.quiz-progress {
  width: 100%;
  height: 4px;
  background: #eee;
  margin-bottom: 3rem;
}

.quiz-progress-bar {
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, #FFE4C6, #FFD32C);
  transition: width 0.3s ease;
}

.quiz-step {
  display: none;
}

.quiz-step-active {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  animation: quiz-fade-in 0.3s ease;
}

@keyframes quiz-fade-in {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.quiz-question {
  font-size: 1.4rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 0.5rem;
}

.quiz-stone-description {
  color: #555;
  line-height: 1.6;
  max-width: 440px;
}

.quiz-options {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  width: 100%;
  max-width: 380px;
}

.quiz-options-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem;
  max-width: 420px;
}

.quiz-option {
  position: relative;
  padding: 0.9rem 1.25rem;
  background: #fff;
  border: 1px solid #ccc;
  color: #000;
  cursor: pointer;
  font-size: 0.95rem;
  transition: background 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}

.quiz-option:hover {
  border-color: #FFD32C;
  background: #FFF8E9;
}

.quiz-option-selected {
  background: #FFE4C6;
  color: #000;
  border-color: #FFD32C;
  padding-right: 2.5rem;
}

.quiz-option-selected::after {
  content: '\2713';
  position: absolute;
  right: 1rem;
  top: 50%;
  transform: translateY(-50%);
  color: #E49B0F;
  font-weight: 700;
}

.quiz-btn {
  display: inline-block;
  padding: 0.9rem 2.5rem;
  background: #FFE4C6;
  color: #000;
  border: 1px solid #FFE4C6;
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  font-size: 0.8rem;
  cursor: pointer;
  transition: background 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}

.quiz-btn:hover {
  background: #FFD32C;
  border-color: #FFD32C;
  color: #000;
}

.quiz-btn-outline {
  background: #fff;
  color: #000;
  border-color: #FFD32C;
}

.quiz-btn-outline:hover {
  background: #FFE4C6;
  border-color: #FFD32C;
  color: #000;
}

.quiz-spinner {
  width: 40px;
  height: 40px;
  border: 3px solid #eee;
  border-top-color: #000;
  border-radius: 50%;
  animation: quiz-spin 0.8s linear infinite;
}

@keyframes quiz-spin {
  to { transform: rotate(360deg); }
}

.quiz-loading-text {
  color: #555;
}

.quiz-error-text {
  color: #b00020;
  font-size: 0.9rem;
  min-height: 1.2em;
}

.quiz-product-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  border: 1px solid #eee;
  padding: 1.25rem;
  width: 100%;
  max-width: 340px;
  text-align: center;
}

.quiz-product-image {
  width: 100%;
  max-width: 280px;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  flex-shrink: 0;
}

.quiz-product-info {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
}

.quiz-product-name {
  font-weight: 600;
  margin: 0;
}

.quiz-product-price {
  color: #555;
  margin: 0;
}

.quiz-input {
  width: 100%;
  max-width: 380px;
  padding: 0.8rem 1rem;
  border: 1px solid #ccc;
  font-size: 0.95rem;
}

.quiz-consent-label {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  max-width: 380px;
  font-size: 0.85rem;
  color: #555;
  text-align: left;
}

.quiz-consent-label input {
  margin-top: 0.2rem;
  accent-color: #FFD32C;
}

.quiz-code-box {
  font-size: 1.8rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  border: 2px dashed #000;
  padding: 1rem 2rem;
}

@media (max-width: 575.98px) {
  .quiz-app {
    margin: 2rem auto 5rem;
    padding: 0 1rem;
  }
  .quiz-options-grid {
    grid-template-columns: 1fr;
  }
}