.container-custom-player {
    display: flex;
    gap: 55px;
  }

  hr.separador {
    border: 0;
    height: 1px;
    background-color: #e9e9e9;
    margin: 5px 0;
  }

/* Sidebar */
  .sidebar-player {
    width: 320px;
    background: #fff;
    padding: 20px;
    box-sizing: border-box;
    overflow-y: auto;
    box-shadow: 0 4px 4px 0 rgba(0, 0, 0, 0.25);
  }

  .sidebar-player h2 {
    margin-bottom: 20px;
    font-size: 20px;
    margin-bottom: 20px;
    font-weight: 100;
  }

  .sidebar-player summary:hover {
        background-color: #fff !important;
        color: rgb(163, 163, 163) !important;
}

  /* Estilos del Acordeón */
  .unit {
    margin-bottom: 10px;
    border-bottom: 1px solid #ddd;
    /* padding-bottom: 10px; */
    padding-left: 40px;
  }

  .unit-title {
    font-weight: bold;
    cursor: pointer;
    list-style: none; /* Quita la flecha por defecto */
    display: flex;
    justify-content: space-between;
    padding: 5px 0;
  }

  /* Flecha personalizada */
  .unit-title::-webkit-details-marker {
    display: none;
  }
  
 .unit-title::after {
  content: url("data:image/svg+xml;charset=UTF-8,<svg width='24' height='24' viewBox='0 0 24 24' fill='none' xmlns='http://www.w3.org/2000/svg'><g clip-path='url(%23clip0_6_9873)'><path d='M7.41 8.58997L12 13.17L16.59 8.58997L18 9.99997L12 16L6 9.99997L7.41 8.58997Z' fill='%23323232'/></g><defs><clipPath id='clip0_6_9873'><rect width='24' height='24' fill='white'/></clipPath></defs></svg>");
  display: inline-block;
  vertical-align: middle;
  transition: transform 0.3s;
}

  details[open] .unit-title::after {
    transform: rotate(180deg);
  }

  .lesson-list {
    margin-top: 8px;
  }

  .lesson {
    padding: 10px;
    border-radius: 4px;
    cursor: pointer;
    margin-bottom: 5px;
    font-size: 14px;
    border-bottom: 1px solid #ddd;
    padding-left: 30px;
  }

  .lesson:hover {
    background: #ddd;
  }

  .lesson.active {
    background: #f44336;
    color: white;
  }

  /* Player */
  .custome-player {
    /* flex: 1; */
    padding: 20px;
    text-align: center;
    background: #FFF;
    box-shadow: 0 4px 4px 0 rgba(0, 0, 0, 0.25);
    width: 550px;
    min-height: 700px;
  }

  .custome-player h3 {
    text-align: left;
    font-size: 20px;
    font-weight: 100;
  }

  .cover {
    width: 180px;
    margin: 20px auto;
  }

  .cover img {
    width: 100%;
    border-radius: 8px;
    box-shadow: 0 4px 4px 0 rgba(0, 0, 0, 0.25);
  }

  /* Progress */
  .progress-container {
    width: 60%;
    margin: 20px auto;
  }

  .lbl-time {
    display: flex;
    justify-content: space-between;
    font-size: 14px;
    font-weight: bold;
    padding-top: 6px
  }

  input[type="range"] {
    width: 100%;
    appearance: none;
    height: 6px;
    border-radius: 5px;
    background: #ddd;
    outline: none;
  }

  input[type="range"]::-webkit-slider-thumb {
    appearance: none;
    width: 16px;
    height: 16px;
    background: #f44336;
    border-radius: 50%;
    cursor: pointer;
  }

  /* Controls */
  .controls-cp {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 25px;
    margin-top: 20px;
  }

  .btn {
    cursor: pointer;
    font-size: 20px;
  }

  .btn-ctrl img{
    width: 35px;
    height: 35px;
  }

  .play-btn {
    /* background: black; */
    /* color: white; */
    width: 50px;
    height: 50px;
    /* border-radius: 50%; */
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
  }

  .play-btn img {
    width: 60px;
    height: 60px;
  }

  /* Transcription */
  .transcription {
    margin-top: 40px;
    text-align: left;
    width: 85%;
    margin-left: auto;
    margin-right: auto;
  }

  .transcription-header {
    display: flex;
    justify-content: space-between;
    cursor: pointer;
    border-bottom: 1px solid #ccc;
    padding-bottom: 5px;
  }

  .transcription-content {
    display: none;
    margin-top: 10px;
    font-size: 14px;
  }