body {
    font-family: system-ui, sans-serif;
    background-color: #f5f5f5;
    color: #222;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    margin: 0;
    padding: 2rem 0;
    box-sizing: border-box;
}

main {
    text-align: center;
}

main img {
    max-width: 90%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
    margin: 1rem 0;
}

table {
    border-collapse: collapse;
    margin: 1rem auto;
    background: #fff;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

th, td {
    border: 1px solid #ddd;
    padding: 0.5rem 1rem;
}

th {
    background-color: #eee;
}

.error {
    color: #b00020;
}