.quiz-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  border: 1px solid rgba(26,36,32,0.1);
  box-shadow: 0 8px 32px rgba(26,36,32,0.08);
  max-width: 760px;
  margin-inline: auto;
}
.quiz-progress { margin-bottom: var(--space-md); }
.quiz-progress-bar {
  height: 6px;
  background: var(--color-sky);
  border-radius: 0;
  overflow: hidden;
  margin-bottom: 0.5rem;
}
.quiz-progress-fill {
  height: 100%;
  background: var(--color-rust);
  border-radius: 0;
  transition: width 0.5s var(--ease-out-expo);
}
.quiz-progress-label { font-size: 0.85rem; color: var(--color-charcoal-soft); }

.quiz-question { font-size: 1.4rem; margin-bottom: var(--space-md); }

.quiz-options { display: flex; flex-direction: column; gap: 0.75rem; margin-bottom: var(--space-md); }
.quiz-option {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  padding: 0.9rem 1.1rem;
  border: 1.5px solid rgba(26,36,32,0.12);
  border-radius: var(--radius-sm);
  text-align: left;
  font-size: 1rem;
  transition: border-color 0.25s, background 0.25s, transform 0.2s var(--ease-spring);
}
.quiz-option:not(:disabled):hover { border-color: var(--color-rust); transform: translateX(4px); }
.quiz-option-letter {
  width: 28px; height: 28px;
  border-radius: 50%;
  background: var(--color-cream);
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 0.85rem;
  flex-shrink: 0;
}
.quiz-option.is-correct { border-color: var(--color-forest); background: rgba(32,92,64,0.08); }
.quiz-option.is-correct .quiz-option-letter { background: var(--color-forest); color: var(--color-white); }
.quiz-option.is-incorrect { border-color: var(--color-rust-dark); background: rgba(205,121,37,0.08); }
.quiz-option.is-incorrect .quiz-option-letter { background: var(--color-rust-dark); color: var(--color-white); }
.quiz-option:disabled { cursor: default; }

.quiz-feedback {
  padding: 1rem 1.2rem;
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-md);
  font-size: 0.96rem;
  animation: feedback-in 0.4s var(--ease-out-expo);
}
@keyframes feedback-in { from { opacity: 0; transform: translateY(-8px); } to { opacity: 1; transform: translateY(0); } }
.quiz-feedback.is-correct { background: rgba(32,92,64,0.1); color: var(--color-forest-dark); }
.quiz-feedback.is-incorrect { background: rgba(205,121,37,0.1); color: var(--color-rust-dark); }

.quiz-begin { text-align: center; }
.quiz-begin-icon { color: var(--color-rust); display: flex; justify-content: center; margin-bottom: var(--space-sm); }
.quiz-begin h3 { font-size: 1.6rem; margin-bottom: 0.6rem; }
.quiz-begin p { color: var(--color-charcoal-soft); margin-bottom: var(--space-md); }
.quiz-begin-btn { justify-content: center; margin-inline: auto; }

.quiz-results { text-align: center; }
.quiz-results-icon { color: var(--color-rust); display: flex; justify-content: center; margin-bottom: var(--space-sm); }
.quiz-results h3 { font-size: 1.6rem; margin-bottom: 0.5rem; }
.quiz-score { font-size: 1.3rem; font-weight: 700; color: var(--color-forest); margin-bottom: 0.5rem; }
.quiz-results p:not(.quiz-score) { color: var(--color-charcoal-soft); margin-bottom: var(--space-md); }