/* styles.css - bem simples */
:root{
  font-family: Arial, sans-serif;
  color: #222;
}

body{
  margin: 20px;
  background: #f7f7f7;
}

main{
  max-width: 640px;
  margin: 0 auto;
  background: #fff;
  padding: 18px;
  border-radius: 6px;
  box-shadow: 0 2px 6px rgba(0,0,0,0.06);
}

h1{
  margin-top: 0;
  font-size: 1.2rem;
}

.controls{
  margin: 12px 0;
}

button{
  padding: 8px 12px;
  margin-right: 8px;
  border: 1px solid #cfcfcf;
  background: #fff;
  cursor: pointer;
  border-radius: 4px;
}

button:hover{
  box-shadow: 0 1px 3px rgba(0,0,0,0.08);
}

pre{
  background: #f1f1f1;
  padding: 10px;
  border-radius: 4px;
  overflow-x: auto;
}

.output{
  margin-top: 12px;
  white-space: pre-wrap;
  background: #fafafa;
  padding: 12px;
  border-radius: 4px;
  border: 1px dashed #e6e6e6;
}