.custom-order-form {
    max-width: 420px;
    margin: auto;
    padding: 20px;
    border: 2px solid #ddd;
    border-radius: 12px;
    font-family: Arial, sans-serif;
    background: #fff;
}

.custom-order-form h3 {
    text-align: center;
    margin-bottom: 15px;
}

.custom-order-form input,
.custom-order-form select,
.custom-order-form button {
    width: 100%;
    padding: 10px;
    margin-top: 8px;
}

.sizes label,
.offers label {
    display: inline-block;
    margin-right: 10px;
}

.offers label {
    display: block;
    background: #f3f3f3;
    padding: 8px;
    border-radius: 6px;
    margin-top: 5px;
}

.custom-order-form button {
    background: #18a999;
    color: white;
    border: none;
    font-size: 16px;
    margin-top: 15px;
    cursor: pointer;
    border-radius: 6px;
}

.custom-order-form button:hover {
    background: #138f82;
}

.success {
    color: green;
    text-align: center;
    margin-top: 10px;
    font-weight: bold;
}