body {
    font-family: Arial, sans-serif;
    max-width: 900px;
    margin: 50px auto;
    padding: 20px;
    background-color: #f5f5f5;
}

h1 {
    color: #333;
    text-align: center;
}

.container {
    background: white;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

button {
    background-color: #4CAF50;
    color: white;
    padding: 12px 24px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 16px;
    margin: 10px 5px;
}

button:hover {
    background-color: #45a049;
}

textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-family: monospace;
    font-size: 14px;
    box-sizing: border-box;
}

.section {
    margin: 30px 0;
    padding: 20px;
    background-color: #f9f9f9;
    border-radius: 4px;
}

.section h2 {
    color: #555;
    margin-top: 0;
}

#response {
    margin-top: 20px;
    padding: 15px;
    background-color: #e8f5e9;
    border-left: 4px solid #4CAF50;
    border-radius: 4px;
    white-space: pre-wrap;
    font-family: monospace;
    display: block;
    min-height: 50px;
    border: 1px solid #ddd;
}

.error {
    background-color: #ffebee;
    border-left-color: #f44336;
}

.attribution {
    text-align: center;
    font-size: 12px;
    color: #666;
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid #ddd;
}