body {
  font-family: system-ui, sans-serif;
  margin: 0;
}
#app {
  display: flex;
  flex-direction: column;
  height: 100vh;
}
.toolbar {
  padding: 12px 16px;
  background: #1e1e1e;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: end;
  gap: 12px;
}
#shareBtn {
  padding: 8px 16px;
  background: #007bff;
  color: #fff;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  font-size: 14px;
}
#shareBtn:hover {
  background: #0056b3;
}
#shareStatus {
  font-size: 13px;
  color: #9cdcfe;
}
#playground {
  flex: 1;
}