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

.container {
    max-width: 1200px;
    margin: 0 auto;
    background-color: white;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
}

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

.search-container {
    margin-bottom: 20px;
    text-align: center;
}

input[type="text"] {
    padding: 8px;
    width: 200px;
    border: 1px solid #ddd;
    border-radius: 4px;
    margin-right: 10px;
}

button {
    padding: 8px 15px;
    background-color: #4CAF50;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
}

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

.table-container {
    margin-top: 20px;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 10px;
}

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

th {
    background-color: #f2f2f2;
}

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

.error {
    color: red;
    margin: 10px 0;
    padding: 10px;
    background-color: #ffe6e6;
    border-radius: 4px;
}

.ppu-info {
    background-color: #f8f9fa;
    padding: 15px;
    border-radius: 4px;
    margin: 10px 0;
}