body{margin:0;font-family:Arial,sans-serif;background-color:#000;color:#fff}.container{padding:10px}.card{background:linear-gradient(145deg,#1e1e1e,#2a2a2a);border-radius:12px;padding:12px;margin-bottom:20px}h2{margin-top:0;color:#0097fe}button,.video-item{background-color:#333;border:none;color:#fff;padding:10px;margin-top:5px;border-radius:8px;cursor:pointer;width:100%;text-align:left}button:hover,.video-item:hover{background-color:#444}.download-btn{background-color:#0097fe;color:#000;font-weight:700}.download-btn:hover{background-color:#0097fe}.video-item{background-color:#333;padding:10px;margin-top:8px;border-radius:8px;cursor:pointer}.video-item:hover{background-color:#444}.video-item.active{background-color:#0097fe;color:#000;font-weight:700}