.devvn_otp_login, .devvn_otp_login * {
    box-sizing: border-box;
    -moz-box-sizing: border-box;
    -webkit-box-sizing: border-box;
}
.devvn_otp_login {
    background: #fff;
    max-width: 500px;
    margin: 0 auto;
    padding: 36px 40px;
    width: 100%;
    position: relative;
    border-radius: 5px;
    text-align: center;
    font-size: 14px;
    color: #000;
}
.devvn_verification_box:after {
    content: "";
    display: table;
    clear: both;
}
.devvn_login_header > strong {
    font-size: 20px;
    display: block;
    margin-bottom: 5px;
}
.devvn_login_header_mess {
    color: #0cab00;
    display: flex;
    justify-content: center;
    align-items: center;
    line-height: 18px;
}
.devvn_login_header_mess svg {
    margin-right: 4px;
}
.devvn_login_header {
    margin-bottom: 30px;
}
div#devvn-otp-login input.zalo_phone_number {
    border: 1px solid #ddd;
    height: 45px;
    border-radius: 5px;
    width: 100%;
    padding: 0 10px;
    outline: none;
    box-shadow: none;
    font-size: 16px;
    margin: 0;
}

.devvn_login_body form label {
    display: block;
    text-align: left;
    font-weight: 700;
    margin-bottom: 5px;
    font-size: 100%;
}
form#form_get_otp {
    margin: 0;
}
button.login-box-btn,
button.otp_login_btn{
    background: var(--primary-color, #fb7701);
    border: 0;
    border-radius: 26px;
    color: #fff;
    width: 100%;
    height: 48px;
    font-size: 16px;
    line-height: 20px;
    font-weight: 700;
    cursor: pointer;
    margin: 0;
}
button.otp_login_btn {
    background: var(--zalo-color, #0068ff);
    width: auto;
    padding: 0 20px;
}
.devvn_login_form_row {
    margin-bottom: 15px;
}
.loading {
    position: relative;
    pointer-events: unset;
}
.loading:before {
    position: absolute;
    content: '';
    top: 0;
    left: 0;
    background: rgb(255 255 255 / 50%);
    width: 100%;
    height: 100%;
    z-index: 999;
}
.loading:after {
    position: fixed;
    content: '';
    top: 50%;
    margin-top: -25px;
    left: 50%;
    margin-left: -25px;
    width: 50px;
    height: 50px;
    -webkit-animation: devvn_loading .6s linear;
    animation: devvn_loading .6s linear;
    -webkit-animation-iteration-count: infinite;
    animation-iteration-count: infinite;
    border-radius: 50%;
    border-color: var(--primary-color, #fb7701) transparent transparent;
    border-style: solid;
    border-width: .3em;
    box-shadow: 0 0 0 1px transparent;
    z-index: 9999;
}
@-webkit-keyframes devvn_loading {
    from {
        -webkit-transform: rotate(0);
        transform: rotate(0)
    }

    to {
        -webkit-transform: rotate(360deg);
        transform: rotate(360deg)
    }
}

@keyframes devvn_loading {
    from {
        -webkit-transform: rotate(0);
        transform: rotate(0)
    }

    to {
        -webkit-transform: rotate(360deg);
        transform: rotate(360deg)
    }
}

.step-otp{
    transform: scale(0);
    transition: transform 0.5s ease;
    pointer-events: none;
    opacity: 0;
    visibility: hidden;
    position: absolute;
    top: 0;
}

.step-otp.show{
    pointer-events: unset;
    opacity: 1;
    visibility: visible;
    transform: scale(1);
    position: relative;
}
.devvn_otp_login_box{
    position: relative;
}
.otp-container {
    display: flex;
    gap: 8px;
    justify-content: center;
    align-items: center;
    margin-bottom: 10px;
}

.devvn_otp_login .otp-input {
    width: 64px;
    height: 64px;
    font-size: 24px;
    text-align: center;
    border: 1px solid #ddd;
    border-radius: 5px;
    outline: none;
    margin: 0;
    padding: 0;
}

div#devvn-otp-login button.mfp-close {
    mix-blend-mode: unset;
    position: absolute;
    background-color: transparent !important;
    font-size: 2em;
}

span#resend-countdown {
    color: #9d9d9d;
    float: right;
}

span#resend-countdown.resend_otp{
    cursor: pointer;
    color: var(--primary-color, #fb7701);
}

span.valid_mess {
    display: flex;
    display: -webkit-flex;
    justify-content: flex-start;
    -webkit-justify-content: flex-start;
    align-items: center;
    -webkit-align-items: center;
    flex-direction: row;
    line-height: 17px;
    color: green;
    text-align: left;
}

span.valid_mess svg {
    width: 12px;
    height: 12px;
    margin-right: 4px;
    flex-shrink: 0;
    margin-top: 2px;
}
span.valid_mess.has-error{
    color: #fc3310;
}

span.btn-back {
    z-index: 11;
    display: flex;
    display: -webkit-flex;
    justify-content: center;
    -webkit-justify-content: center;
    align-items: center;
    -webkit-align-items: center;
    flex-direction: row;
    position: absolute;
    cursor: pointer;
    top: -28px;
    left: -32px;
}

@keyframes shake {
    0% { transform: translateX(0); }
    25% { transform: translateX(-5px); }
    50% { transform: translateX(5px); }
    75% { transform: translateX(-5px); }
    100% { transform: translateX(0); }
}

.shake {
    animation: shake 0.4s ease-in-out 1;
}

.grecaptcha-badge {
    opacity: 0.1;
    pointer-events: none;
}

@media (max-width: 549px) {
    .devvn_otp_login {
        padding: 36px 10px;
    }
    .devvn_otp_login .otp-input {
        width: 16.6666%;
        height: 35px;
    }
    span.btn-back{
        top: -29px;
        left: 0;
    }
    .go_step1 .devvn_login_box{
        position: absolute;
        width: calc(100% - 20px);
    }
}