/* CAPTCHA */

.btn-block {
    display: block;
    width: 100%;
    box-sizing: border-box;
    text-align: center;
}

.btn-register {
    margin-top: 10px;

    background: #fff;
    color: #008cff;

    border: 1px solid #008cff;
    border-radius: 8px;

    padding: 11px 15px;

    font-weight: 700;
    cursor: pointer;

    transition: all 0.2s ease;
}

.btn-register:hover {
    background: #008cff;
    color: #fff;
}

.captcha-display {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 5px;

    min-height: 65px;
    margin-bottom: 10px;

    background: #f5f7fa;
    border: 1px solid #ddd;
    border-radius: 10px;

    font-size: 32px;
    font-weight: 800;
    letter-spacing: 4px;

    user-select: none;
}


/* CAPTCHA lỗi */

.captcha-error {
    margin-top: 6px;

    color: #e53935;

    font-size: 13px;
    font-weight: 600;
}