body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f4f7fa;
    color: #333;
}
.wbp-hero {
    background-color: #007bff;
    color: white;
    text-align: center;
    padding: 50px 20px;
}
.wbp-hero h1 {
    margin: 0;
    font-size: 2.5em;
}
.wbp-container {
    max-width: 600px;
    margin: 20px auto;
    padding: 20px;
    background-color: white;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}
.wbp-input-group {
    margin-bottom: 20px;
}
.wbp-input-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: bold;
}
.wbp-input-group input {
    width: 100%;
    padding: 10px;
    font-size: 1em;
    border: 1px solid #ccc;
    border-radius: 4px;
}
.wbp-btn {
    background-color: #007bff;
    color: white;
    padding: 10px 20px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 1em;
}
.wbp-btn:hover {
    background-color: #0056b3;
}
#wbp-bill-details {
    margin-top: 20px;
    padding: 20px;
    border: 1px solid #ccc;
    border-radius: 4px;
    display: none;
}
#wbp-bill-details h2 {
    margin-top: 0;
}
/* Admin styles */
.wbp-admin-form {
    max-width: 600px;
    margin: 20px;
}
.wbp-admin-form label {
    display: block;
    margin: 10px 0 5px;
}
.wbp-admin-form input,
.wbp-admin-form select {
    width: 100%;
    padding: 8px;
    margin-bottom: 10px;
}
.wbp-admin-table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
}
.wbp-admin-table th,
.wbp-admin-table td {
    border: 1px solid #ccc;
    padding: 8px;
    text-align: left;
}
.wbp-admin-table th {
    background-color: #007bff;
    color: white;
}