.ukpc-postcode-checker-container {
    max-width: 600px;
    margin: 20px 0;
}

.ukpc-form {
    display: flex;
    margin-bottom: 15px;
}

.ukpc-postcode-input {
    flex: 1;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 4px 0 0 4px;
    font-size: 16px;
}

.ukpc-check-button {
    padding: 10px 15px;
    background-color: #0073aa;
    color: white;
    border: none;
    border-radius: 0 4px 4px 0;
    cursor: pointer;
    font-size: 16px;
}

.ukpc-check-button:hover {
    background-color: #005a87;
}

.ukpc-result {
    padding: 15px;
    border-radius: 4px;
    font-size: 16px;
    display: none;
}

.ukpc-result.success {
    background-color: #dff0d8;
    color: #3c763d;
    border: 1px solid #d6e9c6;
}

.ukpc-result.error {
    background-color: #f2dede;
    color: #a94442;
    border: 1px solid #ebccd1;
}

.ukpc-result.fail {
    background-color: #fcf8e3;
    color: #8a6d3b;
    border: 1px solid #faebcc;
}