body {
    font-family: Arial, sans-serif;
    background-color: #f4f4f4;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    margin: 0;
}

h2 {
    color: #333;
    margin-bottom: 20px;
}

form {
    background-color: #fff;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 0 15px rgba(0, 0, 0, 0.1);
    width: 350px;
    margin-bottom: 30px;
}

input[type='text'],
input[type='submit'] {
    padding: 12px;
    margin: 12px 0;
    width: 100%;
    border: 1px solid #ccc;
    border-radius: 5px;
    box-sizing: border-box;
}

input[type='submit'] {
    background-color: #007BFF;
    color: #fff;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

input[type='submit']:hover {
    background-color: #0056b3;
}

#loading {
    display: none;
    margin-top: 20px;
    font-size: 18px;
    color: #666;
}

table {
    width: 80%;
    border-collapse: collapse;
    box-shadow: 0 0 15px rgba(0, 0, 0, 0.1);
    background-color: #fff;
}

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

th {
    background-color: #f2f2f2;
}