* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: Arial, sans-serif;
}

body {
  background: #121212;
  color: #ffffff;
  display: flex;
  justify-content: center;
  padding: 20px;
}

.container {
  max-width: 500px;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
}

header {
  text-align: center;
  margin-bottom: 20px;
}

#logo {
  width: 150px;
  height: auto;
  margin-bottom: 10px;
}

h1 {
  font-size: 1.8rem;
}

.current-track-section, .history-section {
  width: 100%;
  text-align: center;
  margin-bottom: 20px;
}

audio {
  width: 100%;
  margin-top: 10px;
}

#current-track {
  margin-top: 10px;
  font-weight: bold;
  font-size: 1.2rem;
}

#history {
  list-style: none;
  margin-top: 10px;
}

#history li {
  margin-bottom: 5px;
  font-size: 1rem;
}

@media (max-width: 768px) {
  h1 {
    font-size: 1.5rem;
  }

  #current-track {
    font-size: 1.1rem;
  }

  #history li {
    font-size: 0.95rem;
  }

  #logo {
    width: 120px;
  }
}