#ktty-purchase-form {
    max-width: 400px;
    margin: 0 auto;
    background: #fff;
    padding: 20px;
    border-radius: 16px;
    box-shadow: 0 0 12px rgba(0,0,0,0.1);
    font-family: sans-serif;
}
#ktty-purchase-form input[type="text"],
#ktty-purchase-form input[type="number"],
#ktty-purchase-form input[type="submit"] {
    width: 100%;
    padding: 12px;
    margin-bottom: 12px;
    border-radius: 8px;
    border: 1px solid #ccc;
    box-sizing: border-box;
}
#ktty-purchase-form input[type="submit"] {
    background-color: #ff4081;
    color: white;
    border: none;
    cursor: pointer;
    transition: background 0.3s ease;
}
#ktty-purchase-form input[type="submit"]:hover {
    background-color: #e73370;
}