/* Global Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f4f4f4;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

button {
    padding: 10px 20px;
    background-color: #667eea;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 16px;
    transition: background-color 0.3s;
}

button:hover {
    background-color: #5568d3;
}

button:disabled {
    background-color: #ccc;
    cursor: not-allowed;
}

#response {
    margin-top: 20px;
    padding: 15px;
    border-radius: 5px;
    display: none;
}

#response.success {
    background-color: #d4edda;
    border: 1px solid #c3e6cb;
    color: #155724;
    display: block;
}

#response.error {
    background-color: #f8d7da;
    border: 1px solid #f5c6cb;
    color: #721c24;
    display: block;
}