.quiz-option.correct,.calculator-option.selected,.skin-type-option.selected{background-color:#dcfce7;border-color:#4ade80}.quiz-option.incorrect{background-color:#fee2e2;border-color:#f87171}.quiz-feedback.success,.calculator-feedback.success{background-color:#dcfce7;color:#16a34a}.quiz-feedback.error,.calculator-feedback.error{background-color:#fee2e2;color:#dc2626}.ask-expert-loading{display:none;margin-top:1rem;color:#2563eb;font-weight:500}.loading-spinner{border:4px solid rgba(0,0,0,.1);border-left-color:#2563eb;border-radius:50%;width:24px;height:24px;animation:spin 1s linear infinite;display:inline-block;vertical-align:middle;margin-right:8px}.skin-type-card.flipped .card-inner{transform:rotateY(180deg)}.myth-accordion-content.active{max-height:500px;padding:1rem}