a {
    color: #007bff;
    text-decoration: none;
    background-color: transparent;
}

.img-circle {
    border-radius: 50%;
}

.login-bg, .register-bg{
    width: 100%;
    height: 95vh;
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
    background-image: url('../img/login-bg.jpg');
    border-radius: 32px;
}

.bg-body-login, .bg-body-register{
    background-color: #E3F7F7;
}

.login-box .card-header, .register-box .card-header{
    background-color: transparent;
    border: none;
    margin-bottom: 4rem;
}

.login-box .card, 
.register-box .card{
    background-color: transparent;
    border: none;
    box-shadow: none;
}

.login-box a, .register-box a{
    text-decoration: none;
}

.form-control::placeholder{
    color: #939BA2;
}

.form-control:disabled, .form-control[readonly] {
    background-color: #e9ecef;
    opacity: 1;
}

.user-panel {
    border-bottom: 1px solid #4f5962;
}

.user-panel .user-img {
    width: 34px;
    height: 34px;
    border-radius: 50%;
    background-position: center;
    background-size: cover;
    background-repeat: no-repeat;
}

.elevation-2 {
    box-shadow: 0 3px 6px rgba(0, 0, 0, .16), 0 3px 6px rgba(0, 0, 0, .23) !important;
}

.user-panel, .user-panel .info {
    overflow: hidden;
    white-space: nowrap;
}

.user-panel {
    position: relative;
}

.user-panel .image {
    display: inline-block;
    padding-left: .8rem;
}

.user-panel .info {
    display: inline-block;
    padding: 5px 5px 5px 10px;
}

.user-panel .info .username{
    text-overflow: ellipsis;
    overflow: hidden;
}

table.table.dataTable > tbody > tr{
    vertical-align: middle;
}

.main-title-form{
    color: #212529;
    font-size: 17.6px;
    font-style: normal;
    font-weight: 400;
    line-height: 21.12px;
}

.title-section-form{
    color: #212529;
    font-size: 20px;
    font-style: normal;
    font-weight: 700;
    line-height: 24px;
}

.form-label{
    color: #212529;
    font-size: 16px;
    font-style: normal;
    font-weight: 700;
    line-height: 24px;
}

#change-event-active{
    background-color: #343a40;
    border-color: transparent;
    box-shadow: none;
    padding-right: 25px;
}

.sidebar-brand .brand-image{
    float: left;
    width: auto;
    max-height: 33px;
    line-height: 0.8;
}

form .card-footer{
    display: flex;
    justify-content: space-between;
}

form .card-footer::after{
    display: none;
}

.card-header.header-tabs{
    display: flex;
    justify-content: space-between;
    align-items: center;
}

@media screen and (max-width: 1024px){
    .card-header.header-tabs{
        align-items: flex-start;
        flex-direction: column;
        gap: 1rem;
    }
}

.card-header.header-tabs::after{
    display: none;
}

#articleTabs, #eventTabs{
    gap: 8px;
}

#articleTabs .nav-link,
#eventTabs .nav-link{
    background: transparent;
    border: 1px solid transparent;
    border-radius: 4px;

    color: #7E7E7F;
    text-align: center;
    font-size: 17.6px;
    font-style: normal;
    font-weight: 600;
    line-height: 21.12px;
}

#articleTabs .nav-link.active,
#eventTabs .nav-link.active{
    color: #ffffff;
    font-weight: 400;
    border-color: #007BFF;
    background: #007BFF;
}

#articleTabs .nav-link.active.has-error,
#eventTabs .nav-link.active.has-error{
    border-color: #DC3545;
    background: #DC3545;
}

#articleTabs .nav-link.active.all-right,
#eventTabs .nav-link.active.all-right{
    color: #ffffff;
}

#articleTabs .nav-link.all-right,
#eventTabs .nav-link.all-right{
    border-color: #007BFF;
    color: #007BFF;
}

.author-group {
    position: relative;
    border-radius: 5px;
}

.remove-author-btn {
    margin-top: 32px;
}

#loader{
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    z-index: 1035;
    background-color: rgba(0, 0, 0, 0.8);

    display: flex;
    align-items: center;
    justify-content: center;
}

#loader .spinner-border{
    width: 3rem; 
    height: 3rem;
}

.was-validated .form-check-inline .invalid-feedback{
    display: inline;
}

.grid-button-add-coauthor{
    position: relative;
}

.was-validated .dt-container .form-control:valid, 
.dt-container .form-control.is-valid{
    border-color: var(--bs-border-color);
    background: none;
    padding: 0.25rem 0.5rem;
}