.wcw-checker-box {
    max-width: 600px;
    margin: 30px auto;
    padding: 25px;
    border: 1px solid #ddd;
    border-radius: 12px;
    background: #fff;
    box-shadow: 0 5px 20px rgba(0,0,0,0.05);
}

.wcw-checker-box h2 {
    text-align: center;
    margin-bottom: 20px;
}

.wcw-checker-box input[type="text"] {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #ccc;
    border-radius: 8px;
    margin-bottom: 15px;
    box-sizing: border-box;
}

.wcw-checker-box button {
    width: 100%;
    padding: 12px 15px;
    background: #0073aa;
    color: #fff;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    cursor: pointer;
}

.wcw-checker-box button:hover {
    background: #005f8d;
}

.wcw-result {
    margin-top: 25px;
    padding-top: 15px;
    border-top: 1px solid #eee;
}

.wcw-active {
    color: green;
    font-weight: bold;
}

.wcw-expired {
    color: red;
    font-weight: bold;
}

.wcw-not-found {
    color: red;
    font-weight: bold;
}