body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 20px;
    background-color: #f5f5f5;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    background-color: white;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

h1 {
    text-align: center;
    color: #333;
    margin-bottom: 30px;
}

p {
    text-align: center;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin: 0 auto;
}

th, td {
    padding: 12px 15px;
    text-align: left;
    border-bottom: 1px solid #ddd;
}

th {
    background-color: #4CAF50;
    color: white;
    font-weight: bold;
}

tr:hover {
    background-color: #f5f5f5;
}

tr:nth-child(even) {
    background-color: #f9f9f9;
}

.error {
    color: #d32f2f;
    text-align: center;
    padding: 20px;
    background-color: #ffebee;
    border-radius: 5px;
    margin: 20px 0;
}

.no-data {
    text-align: center;
    padding: 20px;
    color: #666;
    font-style: italic;
}