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

.captcha-wrapper {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 12px;
}

.captcha-box {
    flex: 1;
    background: linear-gradient(135deg, #f3f3f3, #e4e4e4);
    border: 1px solid #ddd;
    border-radius: 10px;
    padding: 2px;
    text-align: center;
    font-size: 24px;
    font-weight: 700;
    letter-spacing: 5px;
    color: #222;
    user-select: none;
    font-family: monospace;
}

.captcha-refresh {
    width: 50px;
    height: 50px;
    border: none;
    border-radius: 10px;
    background: #111;
    color: #fff;
    font-size: 22px;
    cursor: pointer;
    transition: 0.3s;
}

.captcha-refresh:hover {
    transform: rotate(180deg);
    background: #333;
}

#captchaInput {
    width: 100%;
}