* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
  }
  
  body {
    
    font-family: Arial, Helvetica, sans-serif;
    background-color: rgb(48, 26, 77);
  }

  
  main {
    position: relative;
    background-image: url(../images/pic06.jpg);
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    width: 100%;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 0;
  }
  main::before {
    content: "";
    position: absolute;
    inset: 0;
    background-color: rgba(0, 0, 0, 0.6); /* ← Aquí ajustas el oscurecimiento */
    z-index: 1;
  }
  
  .container-player {
    position: relative;
    z-index: 2; 
    width: 370px;
    height: 580px;
    background-color: rgba(72, 76, 79, 0.192);
    border-radius: 20px;
    padding: 25px;
    backdrop-filter: blur(15px);
    box-shadow: 0 0 25px rgba(0,0,0,0.4);
    transition: all 0.3s ease-in-out;
    
  }
  
  .image img {
    width: 100%;
    height: 330px;
    border-radius: 10px;
    object-fit: cover;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.4); 
  }
  
  .name {
    text-align: center;
    color: rgb(227, 227, 227);
    margin: 10px 0;
  }
  
  .time {
    display: flex;
    justify-content: space-between;
    color: rgb(107, 108, 109);
    font-size: 14px;
    margin-top: 10px;
  }
  
  progress {
    width: 100%;
    height: 8px;
    appearance: none;
    transition: width 0.3s ease-in-out;
}

  
  progress::-webkit-progress-bar {
    background-color: rgb(200, 200, 255);
    border-radius: 5px;
  }
  
  progress::-webkit-progress-value {
    background-color: #ff66b2;
    border-radius: 5px;
  }
  
  .play-music {
    display: flex;
    justify-content: center;
    align-items: end;
    height: 90px;
    gap: 20px;
  }
  
  .button {
    color: white;
    font-size: 30px;
    cursor: pointer;
    transition: transform 0.3s ease, color 0.3s ease;
  }
  
  .button:hover {
    transform: scale(1.2);
    color: #ff66b2;
  }
  
  .play {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 50px;
    height: 50px;
    color: aliceblue;
    font-size: 23px;
    background-color: #ff66b2;
    border-radius: 50%;
    box-shadow: 0 0 10px #ff66b2; /* Sombra resaltada */
    transition: all 0.3s ease-in-out;

  }
  
  .play:hover {
    background-color: #ff3385;
    box-shadow: 0 0 15px #ff3385; /* Animación al hover */

  }

  ¡Claro! Aquí está el archivo CSS mejorado con las sugerencias que mencioné:
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: Arial, Helvetica, sans-serif;
  background-color: rgb(48, 26, 77);
}

/* Ajuste en el diseño principal */
main {
  position: relative;
  background-image: url(../images/header.jpg);
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  width: 100%;
  height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 0;
}
main::before {
  content: "";
  position: absolute;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.6); /* Oscurecimiento ajustado */
  z-index: 1;
}

.container-player {
  position: relative;
  z-index: 2;
  width: 370px;
  height: 580px;
  background-color: rgba(72, 76, 79, 0.192);
  border-radius: 20px;
  padding: 25px;
  backdrop-filter: blur(15px); /* Intensificación del desenfoque */
  box-shadow: 0 0 25px rgba(0, 0, 0, 0.4);
  transition: all 0.3s ease-in-out; /* Transición en todos los cambios */
}

.image img {
  width: 100%;
  height: 330px;
  border-radius: 10px;
  object-fit: cover;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.4); /* Sombra para resaltar la imagen */
}

.name {
  text-align: center;
  color: rgb(227, 227, 227);
  margin: 15px 0;
}

.time {
  display: flex;
  justify-content: space-between;
  color: rgb(107, 108, 109);
  font-size: 14px;
  margin-top: 10px;
}

progress {
  width: 100%;
  height: 8px;
  appearance: none;
  transition: width 0.3s ease-in-out; /* Suavidad al actualizar progreso */
}

progress::-webkit-progress-bar {
  background-color: rgb(200, 200, 255); /* Mejora en contraste */
  border-radius: 5px;
}

progress::-webkit-progress-value {
  background-color: #ff66b2;
  border-radius: 5px;
}

.play-music {
  display: flex;
  justify-content: center;
  align-items: end;
  height: 90px;
  gap: 20px;
}

.button {
  color: white;
  font-size: 30px;
  cursor: pointer;
  transition: transform 0.3s ease, color 0.3s ease; /* Transiciones refinadas */
}
.button:hover {
  transform: scale(1.2);
  color: #ff66b2;
}

.play {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 50px; /* Ajuste de tamaño para más visibilidad */
  height: 50px;
  color: aliceblue;
  font-size: 25px;
  background-color: #ff66b2;
  border-radius: 50%;
  box-shadow: 0 0 10px #ff66b2; /* Sombra resaltada */
  transition: all 0.3s ease-in-out;
}
.play:hover {
  background-color: #ff3385;
  box-shadow: 0 0 15px #ff3385; /* Animación al hover */
}

/* Responsive design */
@media (max-width: 768px) {
  .container-player {
    width: 90%;
    height: auto;
    padding: 15px;
  }

  .image img {
    height: 250px;
  }

  .play {
    width: 40px;
    height: 40px;
    font-size: 20px;
  }
}