body {
    font-family: "Montserrat", sans-serif;
    /* font-optical-sizing: auto;
    font-weight: 400;
    font-style: normal; */
    margin: 0;
    background-color: #000;
    color: #fff;
    overflow: hidden;
  }

  .main {
    display: flex;
    height: 100vh;
    padding: 0.5rem;
  }

  .sidebar {
    background-color: #000;
    width: 340px;
    border-radius: 1rem;   /* 1rem = 16px */
    margin-right: 0.5rem;
  }

  .main-content {
    background-color: #121212;
    flex: 1;
    border-radius: 1rem;
    overflow: auto;
    padding: 0 1.5rem 0 1.5rem;
  }

  .music-player {
    background-color: black;
    position: fixed;
    bottom: 0;
    width: 100%;
    height: 72px;
  }

  a {
    text-decoration: none;
    color: #fff;
  }

  .nav {
    background-color: #121212;
    border-radius: 1rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
    height: 100px;
    padding: 0.5rem 0.75rem;

  }


  .nav-option {
    line-height: 2.5rem;
    opacity: 0.7;
    padding: 0.5rem 0.75rem;
  }

  .nav-option:hover {
    opacity: 1;
  }

  .nav-option i {
    font-size: 1.25rem;
  }

  .nav-option a {
    font-size: 1rem;
    margin-left: 1rem;
  }

  .library {
    background-color: #121212;
    border-radius: 1rem;
    height: 100%;
    margin-top: 0.5rem;
    padding: 0.5rem 0.75rem;

  }

  .options {
    display: flex;
    justify-content: space-between;
    align-items: center;
  }

  .lib-option img {
    height: 1.25rem;
    width: 1.25rem;
  }

  .icons {
    font-size: 1.25rem;
    display: flex;
  }

  .icons i {
    opacity: 0.7;
    margin-right: 1rem;
  }

  .icons i:hover {
    opacity: 1;
  }

  .box {
    background-color: #232323;
    height: 8rem;
    border-radius: 0.75rem;
    margin: 0.75rem 0 1.75rem 0;
    padding: 0.75rem 1rem;
  }

  .box-p1 {
    font-size: 1rem;
    font-weight: 500;

  }

  .box-p2 {
    font-size: 0.85rem;
    opacity: 0.9;
  }

  .badge {
    background-color: #fff;
    border: none;
    border-radius: 100px;
    padding: 0.25rem 1rem;
    font-weight: 700;
    margin: 0.5rem;
    height: 2rem;
    width: fit-content;
  }

  .dark-badge {
    background-color: #000;
    color: #fff;
  }

  .sticky-nav {
    position: sticky;
    top: 0;
    background-color: #121212;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0 1rem 0;
    z-index: 10;
  }

  .sticky-nav-icons img {
    margin-left: 0.75rem;
  }

  .sticky-nav-options {
    display: flex;
    justify-content: center;
    align-items: center;
  }

.nav-item {
    margin-right: 1rem;
  }

  @media (max-width:1000px) {
    .hide {
      display: none;
    }
  }

  .card {
    background-color: #232323;
    width: 150px;
    border-radius: 0.5rem;
    padding: 1rem;
    margin-left: 1.5rem;
    margin-top: 1rem;
  }

  .cards-container {
    display: flex;
    flex-wrap: wrap;
  }

  .card-img {
    width: 100%;
    border-radius: 0.5rem;
  }

  .card-title {
    font-weight: 600;
  }

  .card-info {
    font-size: 0.85rem;
    opacity: 0.8;
  }

  .footer {
    height: 300px;
    display: flex;
    align-items: center;
    justify-content: center;

  }

  .line {
    width: 90%;
    height: 50%;
    border-top: 1px solid white;
    opacity: 0.4;
  }

  .music-player {
    display: flex;
    justify-content: space-between;
    align-items: center;
  }

  .album {
    width: 25%;
    /* background-color: pink; */
  }

  .player {
    width: 50%;
    /* background-color: orange; */
  }

  .controls {
    width: 25%;
    /* background-color: green; */
  }

  .player-controls {
    display: flex;
    justify-content: center;
    align-items: center;
  }
  
  .player-control-icon {
    height: 1rem;
    margin-right: 1.75rem;
    opacity: 0.7;
  }

  .player-control-icon:hover {
    opacity: 1;
  }

  .playback-bar {
    display: flex;
    justify-content: center;
    align-items: center;
  }

  .progress-bar {
    width: 70%;
    appearance: none;
    background-color: transparent;
    cursor: pointer;

  }

.progress-bar::-webkit-slider-runnable-track {
  background-color: #ddd;
  border-radius: 100px;
  height: 0.2rem;
}

.progress-bar::-webkit-slider-thumb {
  appearance: none;
  /* height: 16px;
  width: 16px; */
  height: 1rem;
  width: 1rem;
  background-color: #1bd760;
  border-radius: 50%;
  margin-top: -6px;
}

.album {
  display: flex;
  width: 25%;
  justify-content: space-evenly;
  align-items: center;
}

.album img {
  height: 3rem;
  width: 3rem;

}

.song {
  font-weight: 500;
  font-size: 1rem;
  margin: 0 0;
}

.singer {
  font-weight: 300;
  opacity: 0.7;
  font-size: 0.75rem;
  margin: 0 0;
}

.controls {
  display: flex;
  width: 25%;
  justify-content: space-evenly;
  align-items: center;
}