.quiz-answer.correct{background:rgba(16,185,129,.1);border-color:var(--color-success);color:var(--color-success)}.quiz-answer.incorrect{background:rgba(239,68,68,.1);border-color:#ef4444;color:#ef4444}.checklist-item.checked .checklist-checkbox{background:var(--color-primary)}.fade-in{opacity:0;transform:translateY(20px);transition:opacity .6s ease,transform .6s ease}.fade-in.visible{opacity:1;transform:translateY(0)}