.cof-form-container {
    max-width: 600px;
    margin: 0 auto;
    padding: 20px;
    font-family: Arial, sans-serif;
}

.cof-optin-form {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.cof-form-group {
    margin-bottom: 15px;
}

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

.cof-form-group input[type="text"],
.cof-form-group input[type="url"],
.cof-form-group input[type="email"],
.cof-form-group input[type="tel"] {
    width: 100%;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
    box-sizing: border-box;
}

.cof-options-group {
    display: flex;
    flex-wrap: wrap;
    gap: 15px 25px;
    margin-top: 5px;
}

.cof-option {
    display: flex;
    align-items: center;
    gap: 5px;
    white-space: nowrap;
}

.cof-submit-btn {
    padding: 12px 25px;
    background-color: #0073aa;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 16px;
    transition: background-color 0.3s;
}

.cof-submit-btn:hover {
    background-color: #005177;
}

/* Popup styles */
.cof-popup {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    justify-content: center;
    align-items: center;
}

.cof-popup-content {
    background-color: white;
    padding: 30px;
    border-radius: 8px;
    max-width: 400px;
    text-align: center;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.cof-popup-message {
    display: block;
    margin-bottom: 20px;
    font-size: 16px;
}

.cof-popup-close {
    padding: 8px 20px;
    background-color: #0073aa;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
}

/* Responsive adjustments */
@media (max-width: 600px) {
    .cof-options-group {
        gap: 10px 15px;
    }
    
    .cof-option {
        white-space: normal;
    }
}