.calc-btn.selected{background:#fff;color:#667eea;font-weight:700}.calculator-result.show{display:block;animation:slideIn .5s ease}.quiz-result.show{display:block;animation:slideIn .5s ease}.food-card.revealed .time{display:block;animation:fadeIn .5s ease}.temp-result.show{display:block;animation:slideIn .5s ease}.temp-result.safe{border:4px solid #27ae60}.temp-result.unsafe{border:4px solid #e74c3c}.personality-result.show{display:block;animation:slideIn .5s ease}.ingredient-btn.selected{background:#ff8c42;color:white;transform:scale(1.05)}.recipe-result.show{display:block;animation:slideIn .5s ease}