body {
  font-family: sans-serif;
  margin: 20px;
  background-color: #f4f4f4;
}

h1, h2 {
  color: #333;
}

#editorContainer {
  display: flex;
  margin-top: 20px;
}

#spectrogramCanvas {
  border: 1px solid #ccc;
  background-color: #fff;
  margin-right: 20px;
}

#controls {
  border: 1px solid #ccc;
  padding: 15px;
  background-color: #eee;
  min-width: 200px;
}

#controls button {
  display: block;
  width: 100%;
  margin-bottom: 10px;
  padding: 10px;
  cursor: pointer;
}

#undoButton {
  background-color: #d9534f;
  color: white;
  border: none;
  border-radius: 4px;
}

#undoButton:hover {
  background-color: #c9302c;
}

#redoButton {
  background-color: #5cb85c;
  color: white;
  border: none;
  border-radius: 4px;
}

#redoButton:hover {
  background-color: #4cae4c;
}

/* New styles for playback buttons */
#listenOriginalButton,
#listenGeneratedButton {
  background-color: #5bc0de;
  color: white;
  border: none;
  border-radius: 4px;
  margin-top: 5px;
}

#listenOriginalButton:hover,
#listenGeneratedButton:hover {
  background-color: #31b0d5;
}

hr {
  border: 0;
  height: 1px;
  background-color: #ccc;
  margin: 20px 0;
}