body {
  font-family: Arial, sans-serif;
  margin: 20px;
  background-color: #f5f5f5;
}

h1 {
    margin-top: 10px;
    margin-bottom: 10px;
}

.container {
  max-width: 800px;
  margin: auto;
  background: white;
  padding: 20px;
  border-radius: 10px;
  box-shadow: 0 0 10px rgba(0,0,0,0.1);
}

form div {
    margin: 0px;
    gap: 10px;
}

input[type="text"], input[type="number"] {
    flex: 1;
    padding: 5px;
}

button {
    padding: 5px 10px;
    margin-top: 10px;
    cursor: pointer;
}

pre {
    background: #efefef;
    padding: 10px;
    overflow-x: auto;
    white-space: pre-wrap;
    word-break: break-word;
}

.row {
    display: flex;
    gap: 10px;
    margin-bottom: 8px;
    align-items: center;
}
.row input {
    padding: 5px;
}