.wc-math-captcha-field {
    margin: 15px 0;
    padding: 15px;
    background: #f8f8f8;
    border: 1px solid #e0e0e0;
    border-radius: 5px;
    text-align: center;
    direction: rtl;
}

.wc-math-captcha-field .form-row {
    margin-bottom: 0;
    text-align: center;
}

.math-captcha-label {
    display: block;
    text-align: center;
    margin-bottom: 15px;
    font-weight: 600;
    direction: rtl;
}

.math-problem {
    display: inline-block;
    direction: ltr;
    text-align: center;
    font-size: 1.4em;
    font-weight: bold;
    color: #007cba;
    font-family: 'Courier New', monospace;
    background: #fff;
    padding: 12px 20px;
    border-radius: 8px;
    border: 2px solid #007cba;
    margin: 0 10px;
    min-width: 140px;
    unicode-bidi: embed;
}

.math-captcha-label .required {
    color: #e2401c;
    margin-right: 8px;
    font-size: 1.3em;
    vertical-align: middle;
}

.wc-math-captcha-field input[type="number"] {
    border: 2px solid #ddd;
    padding: 12px;
    border-radius: 4px;
    width: 200px;
    font-size: 18px;
    font-weight: bold;
    text-align: center;
    transition: border-color 0.3s ease;
    margin: 0 auto;
    display: block;
    direction: ltr;
    unicode-bidi: embed;
}

.wc-math-captcha-field input[type="number"]:focus {
    border-color: #007cba;
    outline: none;
    box-shadow: 0 0 8px rgba(0, 124, 186, 0.3);
}

/* برای نمایش بهتر در موبایل */
@media (max-width: 768px) {
    .math-problem {
        font-size: 1.2em;
        padding: 10px 16px;
        min-width: 120px;
    }
    
    .wc-math-captcha-field input[type="number"] {
        width: 150px;
        font-size: 16px;
        padding: 10px;
    }
}

@media (max-width: 480px) {
    .math-problem {
        font-size: 1.1em;
        padding: 8px 12px;
        min-width: 100px;
    }
    
    .wc-math-captcha-field input[type="number"] {
        width: 120px;
        font-size: 16px;
    }
}