.interactive-video-container{position:relative;width:100%;max-width:100%}.video-wrapper{position:relative;width:100%;border-radius:8px;overflow:hidden}.interaction-overlay{position:absolute;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,.6);display:flex;align-items:center;justify-content:center;z-index:1000;backdrop-filter:blur(8px)}@media (max-width:768px){.quiz-container{padding:16px}}