*{margin:0;padding:0;box-sizing:border-box}body{font-family:Arial,sans-serif;background-color:#121212;color:#fff}.spotify-container{display:flex;height:100vh}.spotify-sidebar{width:250px;background-color:#000;padding:20px;display:flex;flex-direction:column;align-items:flex-start}.spotify-logo{color:#1db954;font-size:24px;margin-bottom:40px}.spotify-playlist{list-style:none;width:100%}.spotify-playlist li{padding:15px;cursor:pointer;transition:background .2s;border-radius:5px}.spotify-playlist li:hover{background-color:#333}.spotify-playlist li.active{background-color:#1db954}.spotify-playlist .artist{font-size:12px;color:#b3b3b3}.spotify-main{flex-grow:1;background-color:#181818;padding:40px;display:flex;justify-content:center;align-items:center}.now-playing-section{display:flex;flex-direction:row;justify-content:center;align-items:center;width:100%;max-width:800px;background-color:#282828;border-radius:20px;padding:20px}.album-artwork img{width:200px;height:200px;border-radius:10px;margin-right:30px;box-shadow:0 4px 10px #00000080}.song-info{display:flex;flex-direction:column;justify-content:center}.now-playing{font-size:14px;color:#b3b3b3;margin-bottom:10px}.song-title{font-size:28px;color:#fff;margin:10px 0}.artist-name{font-size:18px;color:#b3b3b3;margin-bottom:20px}.audio-controls{display:flex;flex-direction:column;justify-content:space-between;align-items:center}.play-btn{background-color:#1db954;color:#fff;font-size:18px;padding:10px 20px;border:none;border-radius:50px;cursor:pointer;margin-bottom:20px}.play-btn:hover{background-color:#1aa34a}.progress-container{width:100%;background-color:#404040;height:8px;border-radius:5px;overflow:hidden;margin-bottom:20px}.progress-bar{background-color:#1db954;height:100%;width:0%;transition:width .3s}.volume-bar{width:100%;margin-top:10px}@media (max-width: 768px){.spotify-container{flex-direction:column}.spotify-sidebar{width:100%;flex-direction:row;overflow-x:auto;align-items:center;justify-content:space-around}.spotify-main{padding:20px}.now-playing-section{flex-direction:column}.album-artwork img{width:150px;height:150px;margin-bottom:20px;margin-right:0}}