.quiz-option.selected{background:linear-gradient(135deg,#6c5ce7,#a29bfe);color:white;border-color:#5f3dc4}.pulse-animation{animation:pulse 2s infinite}.typing-effect{overflow:hidden;border-right:3px solid #6c5ce7;white-space:nowrap;animation:typing 3s steps(40) 1s forwards,blink .8s infinite;width:0}