body {
        font-family: Arial;
        margin: 40px;
        background: #f6f7fb;
    }

    .card {
        background: white;
        padding: 20px;
        border-radius: 12px;
        max-width: 900px;
        margin: auto;
        box-shadow: 0 4px 12px rgba(0,0,0,0.08);
    }

    select {
        padding: 8px;
        margin-bottom: 20px;
    }