#app {
  font-family: monospace;
  margin: 0;
  padding: 0;
  display: flex;
  height: 100vh;
  background-color: #f9f9f9;
}
.sidebar {
  width: 100px;
  background-color: #fff;
  border-right: 1px solid #ddd;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding-top: 10px;
}
.sidebar button {
  background: none;
  border: none;
  color: black;
  cursor: pointer;
  margin: 10px 0;
}
.sidebar button:hover {
  color: white;
}
.content {
  flex: 1;
  display: flex;
  flex-direction: column;
  padding: 20px;
  font-family: monospace;
  word-break: break-all;
  white-space: pre-wrap;
}
.header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 10px;
  border-bottom: 1px solid #ddd;
}
.settings {
  display: flex;
  flex-direction: column;
  width: 300px;
  padding: 20px;
  border-right: 1px solid #ddd;
  background-color: #fff;
}
.playground {
  display: flex;
  flex: 1;
}
.output {
  flex: 1;
  padding: 20px;
  background-color: #fff;
  margin-left: 20px;
  border-radius: 4px;
  box-shadow: 0 0 10px rgba(0,0,0,0.1);
}
input, select, textarea {
  width: -webkit-fill-available;
  padding: 10px;
  margin-top: 10px;
  margin-bottom: 20px;
  border: 1px solid #ddd;
  border-radius: 4px;
  resize: vertical;
}
textarea {
  min-height: 40px;
}
button {
  padding: 10px 20px;
  background-color: #007BFF;
  color: #fff;
  border: none;
  border-radius: 4px;
  cursor: pointer;
}
button:hover {
  background-color: #0056b3;
}