.captcha-shield-container {
    position: relative;
    display: block;
    margin: 15px 0;
    padding: 15px;
    background-color: #f9f9f9;
    border: 1px solid #ddd;
    border-radius: 4px;
    box-sizing: border-box;
    max-width: 100%;
    overflow: hidden;
}

.captcha-shield-container captcha-widget {
    display: block;
    min-height: 50px;
}

.captcha-shield-container.loading {
    position: relative;
}

.captcha-shield-container.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid #f3f3f3;
    border-top: 2px solid #3498db;
    border-radius: 50%;
    animation: captcha-shield-spin 1s linear infinite;
}

@keyframes captcha-shield-spin {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
}

.captcha-shield-message {
    padding: 10px 15px;
    margin: 10px 0 0 0;
    border-radius: 4px;
    font-size: 14px;
    line-height: 1.5;
    animation: captcha-shield-fadein 0.3s ease-in;
}

@keyframes captcha-shield-fadein {
    from {
        opacity: 0;
        transform: translateY(-5px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.captcha-shield-success {
    background-color: #d4edda;
    border: 1px solid #c3e6cb;
    color: #155724;
}

.captcha-shield-error {
    background-color: #f8d7da;
    border: 1px solid #f5c6cb;
    color: #721c24;
}

.captcha-shield-container .captcha-shield-label {
    display: block;
    margin-bottom: 10px;
    font-weight: 600;
    color: #333;
    font-size: 14px;
}

.captcha-shield-container .captcha-shield-required {
    color: #dc3545;
    margin-left: 3px;
}

.captcha-shield-container[data-verified="true"] {
    border-color: #28a745;
    background-color: #f8fff8;
}

.captcha-shield-container[data-verified="false"] {
    border-color: #dc3545;
    background-color: #fff8f8;
}

@media screen and (max-width: 768px) {
    .captcha-shield-container {
        padding: 12px;
        margin: 12px 0;
    }

    .captcha-shield-message {
        padding: 8px 12px;
        font-size: 13px;
    }
}

@media screen and (max-width: 480px) {
    .captcha-shield-container {
        padding: 10px;
        margin: 10px 0;
    }

    .captcha-shield-message {
        padding: 6px 10px;
        font-size: 12px;
    }

    .captcha-shield-container .captcha-shield-label {
        font-size: 13px;
    }
}

.captcha-shield-hidden {
    display: none !important;
}

.captcha-shield-sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}