* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
  }
  body {
    font-family: Arial, Helvetica, sans-serif;
    width: 100%;
    background-color: #015aff;
  }
  #home .container {
    display: flex;
    justify-content: space-between;
    align-items: stretch;
    flex-direction: row;
    gap: 20px;
  }
  .container {
    max-width: 1200px;
    margin: auto;
    padding: 0 16px;
  }
  h4 {
    font-weight: 300;
    color:#e7e0e0;
    margin-bottom: 16px;
    margin-left: 5px;
    font-size: 14px;
    
  }
  h2{
    font-weight: 300;
    color:#e7e0e0;
    margin-bottom: 16px;
  }
  .collection {
    width: 50%;
    margin-top: 20px;
    background-color: #012554;
    padding: 10px;
    border-radius: 8px;
  }
  h1 {
    font-size: 32px;
    margin: 16px 40%;
    color: #e7e0e0;
  }
  .search-input {
    margin: 10px 20%;
    width: 300px;
    height: 35px;
    border-radius: 8px;
  }
  .musicbox {
    margin-top: 16px;
    max-height: 500px;
    overflow-y: auto;
    border: 1px solid rgba(199, 216, 252, 0.5);
    border-radius: 5px;
  }
  .musicbox ul {
    list-style-type: none;
  }
  .musicbox ul li {
    margin: 8px;
    padding: 8px;
    background-color: rgba(199, 216, 252, 0.55);
    border-radius: 5px;   
  }
  .musicbox ul li:hover {
    background-color: rgba(199, 216, 252, 0.8);
  }
  .track-info {
    display: flex;
    flex-direction: column; 
    justify-content: center; 
    margin-left: 10px; 
    flex-grow: 1;
  }
  .track-name {
    font-weight: bold; 
    color: #212020; 
    margin: 5px;
  }
  .track-author {
    font-weight: normal;
    color: #2f2e2e; 
    margin: 5px;
    font-size: 14px;
  }
  .track-item {
    display: flex;
    align-items: center;
  }
  .track-image {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    object-fit: cover;
    margin-right: 10px;
  }
  p.index{
    color: #e7e0e0;
  }
  .playbox {
    width: 50%;
    padding: 10px;
    margin-top: 20px;
    text-align: center;
    border-radius: 8px;
    background-color: #6f99f48c;
  }
  .controller {
    margin: 36px auto;
    width: 100%;
    max-width: 400px;
    min-height: 500px;
  }
  .circle {
    width: 250px;
    height: 250px;
    background-color: #222427;
    border-radius: 50%;
    margin: 32px auto;
    display: flex;
    border: 5px solid #012554;
  }
  .circle2 {
    width: 180px;
    height: 180px;
    background-color: #bebebe;
    border-radius: 50%;
    border: 5px solid #b8b4b9;
    align-self: center;
    display: flex;
    margin: auto;
  }
  .circle2 .fluid-img {
    width: 100%;
    max-width: 160px;
    height: auto;
    border-radius: 50%;
    align-self: center;
    margin: auto;
    object-fit: cover;
  }
  .song-name {
    color: #e7e0e0;
    font-weight: 400;
    margin-bottom: 10px;
  }
  .icon-container {
    display: flex;
    flex-direction: row;
    justify-content: end;
    align-items: center;
    gap: 10px;
    background-color: rgb(200, 200, 200);
    border-radius: 20px;
    padding: 5px;
    cursor: pointer;
    margin: 5px;
  }
  .upcoming-song {
    display: flex;
    flex-direction: row;
    justify-content: flex-end;
    align-items: center;
    margin-top: 20px;
  }
  .media-btn {
    width: 50px;
    height: auto;
    margin: 16px;
    cursor: pointer;
  }
  .progress-control {
    display: flex;
    align-items: center;
    flex-direction: row;
    gap: 10px;
  }
  .progress-control input {
    width: 80%;
  }
  .progress-control {
    position: relative; 
  }
  .tooltip {
    position: absolute;
    background-color: rgba(0, 0, 0, 0.7);
    color: #fff;
    padding: 5px 5px;
    border-radius: 5px;
    visibility: hidden;
    opacity: 0;
    transition: opacity 0.2s;
    white-space: nowrap; 
    z-index: 10; 
    font-size: 12px;
  }
  #current-time,
  #duration-time {
    font-size: 16px;
    color: #e7e0e0;
  }
  .volume-control {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin-top: 10px;
  }
  .volume-down,
  .volume-up {
    font-size: 20px;
    color: #e7e0e0;
  }
  .musicbox::-webkit-scrollbar {
    width: 10px;
  }
  .musicbox::-webkit-scrollbar-track {
    background: #dde4ee;
    border-radius: 5px
  }
  .musicbox::-webkit-scrollbar-thumb {
    background-color: #3498db;
    border-radius: 5px;
  }
  @media (max-width: 900px) {
    #home .container {
      flex-direction: column-reverse;
    }
    .collection {
      width: 100%;
      margin: 24px auto;
    }
    .search{
      margin: 10px 10%;
    }
    .playbox {
      width: 100%;
    }
  }