body {
    font-family: sans-serif;
    background-color: #f0f0f0;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    margin: 0;
}

.container {
    background-color: white;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
    width: 80%;
    max-width: 800px;
}

h1 {
    text-align: center;
    margin-bottom: 1.5rem;
}

#json-input {
    width: 100%;
    height: 200px;
    border: 1px solid #ccc;
    border-radius: 4px;
    padding: 0.5rem;
    font-family: monospace;
    resize: vertical;
}

.controls {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin: 1rem 0;
}

button {
    background-color: #007bff;
    color: white;
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: 4px;
    cursor: pointer;
    font-size: 1rem;
}

button:hover {
    background-color: #0056b3;
}

#json-output {
    background-color: #eee;
    padding: 1rem;
    border-radius: 4px;
    white-space: pre-wrap;
    word-wrap: break-word;
    min-height: 100px;
    border: 1px solid #ccc;
}