/* Estilos para el CAPTCHA */
.captcha-container {
    margin-bottom: 1.5rem;
}

.captcha-box {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 0.5rem;
}

#captchaCanvas {
    background: #1B3B6F;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.btn-refresh {
    background: #4B9CD3;
    color: white;
    border: none;
    border-radius: 50%;
    width: 32px;
    height: 32px;
    font-size: 18px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.btn-refresh:hover {
    background: #7CB9E8;
    transform: rotate(180deg);
}

#captchaInput {
    font-size: 1.1rem;
    letter-spacing: 2px;
}