/* Base layout */
body{
  font-family:system-ui,Segoe UI,Roboto,Arial;
  margin:20px;
  max-width:100%;
  padding:0 10px;
  box-sizing:border-box;
}
textarea{
  width:100%;
  font-family:monospace;
  padding:8px;
  box-sizing:border-box;
  resize:vertical;
}
button,select{
  padding:8px 12px;
  margin-top:8px;
  border-radius:6px;
  border:1px solid #ccc;
  background:#fff;
  cursor:pointer;
}
#status{
  margin-top:8px;
  font-size:.9rem;
  color:#444;
  white-space:pre-wrap;
}
.row{
  display:flex;
  gap:8px;
  align-items:center;
  flex-wrap:wrap;
  margin-bottom:12px;
}
.flex{
  flex:1;
  min-width:150px;
}
.center{
  display:flex;
  justify-content:center;
  margin-top:8px;
}
.direction{
  font-weight:600;
  margin-left:8px;
}
@media (max-width:600px){
  .row{
    flex-direction:column;
    align-items:stretch;
  }
  .flex{
    width:100%;
  }
  button,select{
    width:100%;
  }
}