body {
        font-family: Arial, sans-serif;
        background: #f7f7f7;
        margin: 0;
        padding: 0;
    }
    h2 {
        text-align: center;
        margin-top: 40px;
        color: #333;
    }
    form {
        background: #fff;
        max-width: 400px;
        margin: 40px auto;
        padding: 30px 25px 20px 25px;
        border-radius: 8px;
        box-shadow: 0 2px 12px rgba(0,0,0,0.08);
        display: flex;
        flex-direction: column;
        gap: 10px;
    }
    label {
        font-weight: 500;
        margin-bottom: 6px;
        color: #444;
    }
    input[type="file"] {
        padding: 8px 0;
        border: none;
        background: none;
        font-size: 15px;
    }
    button[type="submit"] {
        background: #0078d4;
        color: #fff;
        border: none;
        padding: 12px 0;
        border-radius: 5px;
        font-size: 16px;
        font-weight: 600;
        cursor: pointer;
        transition: background 0.2s;
        margin-top: 10px;
    }
    button[type="submit"]:hover {
        background: #005fa3;
    }