* { margin: 0; padding: 0; box-sizing: border-box; }
    html, body {
      height: 100%;
      background: black;
      font-family: sans-serif;
      overflow: hidden;
      color: white;
    }
    .rotating-bg {
      position: fixed;
      top: 50%;
      left: 50%;
      width: 100vw;
      height: 100vh;
      background: url('https://media.istockphoto.com/id/1318740898/video/animated-colorful-equalizer.mp4') no-repeat center center/cover;
      transform: translate(-50%, -50%);
      animation: rotateBG 20s linear infinite;
      opacity: 0.1;
      z-index: 0;
    }
    @keyframes rotateBG {
      from { transform: translate(-50%, -50%) rotate(0deg); }
      to { transform: translate(-50%, -50%) rotate(360deg); }
    }
    .container {
      display: flex;
      align-items: center;
      justify-content: center;
      height: 100vh;
      position: relative;
      z-index: 1;
    }
    .player {
      backdrop-filter: blur(10px);
      background-color: rgba(0, 0, 0, 0.6);
      width: 90%;
      max-width: 800px;
      padding: 30px;
      border-radius: 20px;
      box-shadow: 0 0 25px black;
      display: flex;
      flex-direction: column;
      align-items: center;
      position: relative;
      z-index: 2;
    }
    canvas#visualizer {
      position: absolute;
      left: 0;
      top: 0;
      width: 100vw;
      height: 100vh;
      z-index: 1;
      pointer-events: none;
    }
    canvas#spectrum {
      position: absolute;
      top: 0;
      left: 0;
      width: 250px;
      height: 250px;
      pointer-events: none;
      z-index: 3;
    }
    .details {
      text-align: center;
      display: flex;
      flex-direction: column;
      align-items: center;
      position: relative;
    }
    .track-art {
      height: 250px;
      width: 250px;
      background-image: url("https://images.pexels.com/photos/262034/pexels-photo-262034.jpeg");
      /* background-image: url("ms.jpg"); */
      /* background-image: url("music.jpg"); */
      background-size: cover;
      background-position: center;
      border-radius: 50%;
      animation: rotateAlbum 10s linear infinite;
      box-shadow: 0 0 20px white;
      margin: 20px auto;
      display: flex;
      align-items: center;
      justify-content: center;
    }
    @keyframes rotateAlbum {
      from { transform: rotate(0deg); }
      to { transform: rotate(360deg); }
    }
    .now-playing { font-size: 1.2rem; }
    .track-name { font-size: 2rem; font-weight: bold; }
    .track-artist { font-size: 1rem; opacity: 0.8; }
    .buttons {
      display: flex;
      align-items: center;
      gap: 20px;
      margin: 20px 0;
    }
    .buttons div {
      opacity: 0.8;
      cursor: pointer;
      transition: 0.3s;
    }
    .buttons div:hover {
      opacity: 1;
    }
    .slider_container {
      width: 80%;
      max-width: 500px;
      display: flex;
      align-items: center;
      justify-content: center;
      margin-top: 10px;
    }
    .seek_slider, .volume_slider {
      appearance: none;
      height: 5px;
      background: white;
      opacity: 0.7;
    }
    .seek_slider::-webkit-slider-thumb,
    .volume_slider::-webkit-slider-thumb {
      appearance: none;
      width: 15px;
      height: 15px;
      background: white;
      border-radius: 50%;
      cursor: pointer;
    }
    .seek_slider { width: 60%; }
    .volume_slider { width: 30%; }
    .current-time, .total-duration { padding: 10px; }
    i.fa-volume-down, i.fa-volume-up { padding: 10px; }
    input[type="file"] {
      margin-bottom: 10px;
      color: white;
    }
    select, input[type="range"] {
      margin: 5px;
    }