.wabot-sender-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
}

.wabot-sender-container h2 {
    color: #333;
    margin-bottom: 10px;
}

.wabot-sender-container hr {
    margin-bottom: 20px;
    border-top: 1px solid #ddd;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: 600;
}

.form-group input[type="text"],
.form-group textarea {
    width: 100%;
    padding: 8px 12px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 14px;
}

.form-group small {
    display: block;
    margin-top: 5px;
    color: #666;
    font-size: 12px;
}

.button-primary {
    background-color: #0073aa;
    border-color: #0073aa;
    color: white;
    text-decoration: none;
    text-shadow: none;
    padding: 8px 16px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 14px;
}

.button-primary:hover {
    background-color: #0082c3;
    border-color: #0082c3;
}

#wabot-response-message {
    padding: 10px;
    margin-bottom: 20px;
    border-radius: 4px;
    display: none;
}

#wabot-response-message.error {
    background-color: #f8d7da;
    border: 1px solid #f5c6cb;
    color: #721c24;
}

#wabot-response-message.success {
    background-color: #d4edda;
    border: 1px solid #c3e6cb;
    color: #155724;
}