:root {
  --primary: #1db954;
  --primary-dark: #1aa34a;
  --dark-bg: #121212;
  --dark-secondary: #181818;
  --dark-tertiary: #282828;
  --text-primary: #ffffff;
  --text-secondary: #b3b3b3;
}

body {
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  background-color: var(--dark-bg);
  color: var(--text-primary);
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 20px;
}

.music-player {
  background: var(--dark-secondary);
  border-radius: 15px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
  padding: 30px;
  width: 100%;
  max-width: 450px;
}

h1 {
  text-align: center;
  margin-bottom: 25px;
  font-size: 28px;
  color: var(--primary);
}

.playlist {
  margin-bottom: 30px;
  max-height: 250px;
  overflow-y: auto;
}

#playlist-songs {
  list-style: none;
}

#playlist-songs li {
  padding: 12px 15px;
  border-radius: 8px;
  margin-bottom: 8px;
  background: var(--dark-tertiary);
  cursor: pointer;
  transition: all 0.2s ease;
}

#playlist-songs li:hover {
  background: #333;
}

#playlist-songs li.playing {
  background: var(--primary-dark);
}

.now-playing {
  background: var(--dark-tertiary);
  border-radius: 12px;
  padding: 20px;
  margin-bottom: 25px;
  text-align: center;
}

#album-art {
  width: 180px;
  height: 180px;
  border-radius: 10px;
  object-fit: cover;
  margin-bottom: 15px;
}

.controls {
  display: flex;
  justify-content: center;
  gap: 15px;
  margin-top: 20px;
}

button {
  padding: 10px 20px;
  background: var(--primary);
  color: white;
  border: none;
  border-radius: 50px;
  cursor: pointer;
  font-weight: 600;
}

#audio-player {
  width: 100%;
  margin-top: 15px;
}