html,
body {
    font-family: 'Open Sans', sans-serif;
    background: #f6f6f6;
}

ul {
    list-style: none;
}

header {
    background: #F2F2F2;
    box-sizing: border-box;
    position: fixed;
    width: 100%;
    height: 85px;
    left: 0;
    top: 0;
    z-index: 1000;
}

@media screen and (max-width: 768px) {
    header {
        background: #ffffff;
    }

    .header-block__logo img {
        max-width: 50px;
    }
}

.main-section {
    padding-top: 85px !important;
    padding-left: 3rem;
}

.footer {
    padding-left: 3rem;
}

/**/

#left-panel {
    position: fixed;
    background: #fff;
    left: 0;
    top: 185px;
    height: calc(100vh - 185px);
    width: 75px;
    z-index: 10;
    transition: all .25s ease;
}

#left-panel.menu-sidebar__active {
    width: 225px;
}

.menu-sidebar__active .left-sidebar__name {
    opacity: 1;
    display: block;
}

.menu-panel__link {
    text-decoration: none;
}

#left-panel:before {
    content: '';
    position: absolute;
    left: 0;
    top: -60px;
    width: 100%;
    height: 60px;
    border-top-right-radius: 75px;
    background: #fff;
    z-index: 3;
}

.user-name {

}

.user-icon img {
    max-width: 50px;
    max-height: 50px;
    border-radius: 50%;
}

.user-info-mobile {
    display: none;
    position: absolute;
    top: 0;
    bottom: 0;
    right: -10000px;
    background: #fff;
    color: #ACACAC;
    width: 200px;
    height: 100vh;
    transition: all .25s ease;
}

.user-info-mobile.active {
    display: block;
    right: 0;
}

.show-user-info {
    font-size: 24px;
    color: #ACACAC;
}

.header-mobile-menu {
    position: absolute;
    top: 0;
    bottom: 0;
    left: -10000px;
    width: 200px;
    transition: all .25s ease;
    height: 100vh;
    background: #fff;
}

.header-mobile-menu i {
    color: #ACACAC;
}

.header-mobile-menu.active {
    left: 0;
}

.user-name:after {
    content: "\f107";
    display: inline-block;
    font: normal normal normal 14px/1 "Font Awesome 5 Free";
    font-weight: 900;
    font-size: inherit;
    text-rendering: auto;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    margin: 0 7px;
}

.burger-menu {
    display: flex;
    justify-content: flex-start;
    align-items: center;
}

.burger-menu span {
    position: relative;
    display: block;
    width: 25px;
    height: 3px;
    border-radius: 3px;
    background: #b8b8b8 !important;
}

.burger-menu span:before {
    position: absolute;
    content: '';
    width: 100%;
    height: 3px;
    left: 0;
    right: 0;
    top: -8px;
    border-radius: 3px;
    background: #b8b8b8;
}

.burger-menu span:after {
    position: absolute;
    content: '';
    width: 100%;
    height: 3px;
    left: 0;
    right: 0;
    bottom: -8px;
    border-radius: 3px;
    background: #b8b8b8;
}

.left-sidebar__name {
    display: none;
    opacity: 0;
    padding-left: 25px;
}

#left-panel a {
    color: #b8b8b8 !important;
}

@media screen and (max-width: 768px) {
    .main-section,
    .footer {
        padding-right: var(--bs-gutter-x, .75rem);
        padding-left: var(--bs-gutter-x, .75rem);
    }

    #left-panel {
        display: none;
    }
}


/* modules start */


.container-fluid {
    max-width: 1600px;
}

.modules-list {
    justify-content: flex-start;
    align-content: stretch;
}

.modules-card__disabled {
    position: relative;
}

.modules-card__disabled:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0, .5);
    z-index: 100;
    border-radius: .25rem!important;
}

.modules-card__disabled-description {
    z-index: 101;
    top: 35%;
    padding: 0 15px;
    font-size: 1rem;
    position: absolute;
    text-align: center;
}

.modules-card__range,
.modules-card__range-0,
.modules-card__range-25,
.modules-card__range-50,
.modules-card__range-75,
.modules-card__range-100 {
    position: relative;
    width: 100%;
    height: 10px;
    border: 1px solid rgba(0,0,0, .15);
    border-radius: 5px;
    background: #ffffff;
}

.modules-card__range:before,
.modules-card__range-25:before,
.modules-card__range-50:before,
.modules-card__range-75:before,
.modules-card__range-100:before {
    content: '';
    position: absolute;
    height: 100%;
    top: 0;
    left: 0;
    background: #9DD103;
}

.modules-card__range-25:before {
    width: 25%;
}

.modules-card__range-50:before {
    width: 50%;
}

.modules-card__range-75:before {
    width: 75%;
}

.modules-card__range-100:before {
    width: 100%;
}

.modules-card__img {
    width: 100%;
    object-fit: contain;
}

.modules-card__name span {
    font-size: .75rem;
}

.modules-card__btn {
    background: #9DD103;
    padding: 10px 20px;
    font-size: 18px;
    border-radius: 10px;
    font-weight: 300;
    height: 100%;
    border: none;
    color: #FFFFFF;
    letter-spacing: 1px;
    line-height: 23px !important;
    text-decoration: none;
    transition: all .5s ease;
}

.modules-card__btn:hover {
    opacity: .8;
    color: black;
}

.modules-navigation {
    font-size: 20px;
    line-height: 22px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
    text-decoration: none;
    color: #9DD103;
    border: 2px solid #9DD103 !important;
    border-radius: 5px;
    width: auto;
    padding: 6px 13px;
    transition: all .5s ease;
}

.modules-navigation:hover {
    background: #9DD103;
    color: #fff;
}

.menu-panel__link {
    font-size: 22px;
}


@media screen and (min-width: 1400px) {
    .col-five {
        width: 20%;
    }
}


/* modules end */



/* module */

.module-header {
    border-radius: 25px 25px 0 0 ;
    background: url(../images/lesson-bg.png) center no-repeat;
    background-size: cover;
    height: 500px;
    -webkit-box-sizing: border-box;
    box-sizing: border-box;
}

.module-header__image img {
    width: auto;
    height: 100%;
}

.module-header__progressbar {
    width: 100%;
    height: 10px;
    background: #fff;
    border: 1px solid rgba(0,0,0,.15);
}

.module-homework__links {
    list-style: none;
    margin: 0;
    padding: 0;
}

.module-test__link,
.module-homework__link {
    position: relative;
    border-radius: 15px;
}

.module-test__link:before,
.module-homework__link:before {
    position: absolute;
    content: '';
    width: 30px;
    height: 30px;
    top: 50%;
    left: 25px;
    border-radius: 50%;
    transform: translateY(-50%);
    border: 2px solid black;
}

.successful.module-test__link:before,
.successful.module-homework__link:before {
    content: ' \2713';
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 24px;
    color: #fff;
    background: #9DD103;
    border: 2px solid #9DD103;
}

.module-test__link a,
.module-homework__link a {
    color: #656565;
    text-decoration: none;
    font-style: normal;
    font-weight: 400;
    font-size: 20px;
    line-height: 26px;
    padding-left: 2rem;
}

.successful.module-test__link a,
.successful.module-homework__link a {
    color: #9DD103;
}

.module-navigation {
    font-size: 20px;
    line-height: 22px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
    text-decoration: none;
    color: #9DD103;
    border: 2px solid #9DD103 !important;
    border-radius: 5px;
    width: auto;
    padding: 6px 13px;
    transition: all .5s ease;
}

.module-navigation:hover {
    background: #9DD103;
    color: #fff;
}


/* module end */

/* lesson */


.lesson-wrapper {
    position: relative;
    border-radius: 50px;
    box-shadow: 0px 0px 10px rgb(0 0 0 / 25%);
}

.lesson-navigations {

}

.lesson-navigations > div {
    background: #9DD103;
    color: #ffffff;
    position: absolute;
    padding: 15px 25px;
}

.lesson-navigations > div a {
    text-decoration: none;
    color: #fff;
}

.lesson-navigations .prev {
    top: 0;
    left: 0;
    border-radius: 50px 0 0 0;
}

.lesson-navigations .next {
    top: 0;
    right: 0;
    border-radius: 0 50px 0 0;
}

.lesson-homework__links {
    list-style: none;
    margin: 0;
    padding: 0;
}

.lesson-homework__link {
    position: relative;
    border-radius: 15px;
}

.lesson-homework__link:before {
    position: absolute;
    content: '';
    width: 30px;
    height: 30px;
    top: 50%;
    left: 25px;
    border-radius: 50%;
    transform: translateY(-50%);
    border: 2px solid black;
}

.successful .lesson-homework__link:before {
    content: ' \2713';
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 24px;
    color: #fff;
    background: #9DD103;
    border: 2px solid #9DD103;
}

.lesson-homework__link a {
    color: #656565;
    text-decoration: none;
    font-style: normal;
    font-weight: 400;
    font-size: 20px;
    line-height: 26px;
    padding-left: 2rem;
}

.successful .lesson-homework__link a {
    color: #9DD103;
}

.lesson-navigation {
    font-size: 20px;
    line-height: 22px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
    text-decoration: none;
    color: #9DD103;
    border: 2px solid #9DD103 !important;
    border-radius: 5px;
    width: auto;
    padding: 6px 13px;
    transition: all .5s ease;
}

.lesson-navigation:hover {
    background: #9DD103;
    color: #fff;
}

@media screen and (max-width: 576px) {
    .lesson-navigations > div a {
        font-size: 14px;
        padding: 10px 15px;
    }

}

/* lesson end */

/* test start */


.test-start-wrapper {
    border-radius: 25px;
    box-shadow: 0px 0px 10px rgb(0 0 0 / 25%);
}

.test-start-navigation {
    font-size: 20px;
    line-height: 22px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
    text-decoration: none;
    color: #9DD103;
    border: 2px solid #9DD103 !important;
    border-radius: 5px;
    width: auto;
    padding: 6px 13px;
    transition: all .5s ease;
}

.test-start-navigation:hover {
    background: #9DD103;
    color: #fff;
}

/* test end */

/**/

.test-wrapper {
    border-radius: 25px;
    box-shadow: 0px 0px 10px rgb(0 0 0 / 25%);
}

.test-list__question {
    font-size: 20px;
    color: #656565;
    line-height: 26px;
}

.test-list__variables {
    font-style: normal;
    font-weight: 400;
    font-size: 20px;
    line-height: 26px;
    color: #656565;
}

.test-list__answer {
    font-weight: 400;
    font-size: 20px;
    line-height: 34px;
    color: #656565;
}

.test-navigation {
    font-size: 20px;
    line-height: 22px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
    text-decoration: none;
    color: #9DD103;
    border: 2px solid #9DD103 !important;
    border-radius: 5px;
    width: auto;
    padding: 6px 13px;
    transition: all .5s ease;
}

.test-navigation:hover {
    background: #9DD103;
    color: #fff;
}

.test-list__answer input {
    border: none;
    background: none;
    outline: none;
    border-bottom: 1px solid rgba(0, 0, 0, .5);
    max-width: 50px;
}

.test ul {
    padding: 0;
}

/**/

/**/

.test-wrapper {
    border-radius: 25px;
    box-shadow: 0px 0px 10px rgb(0 0 0 / 25%);
}

.test-list__question {
    font-size: 20px;
    color: #656565;
    line-height: 26px;
}

.test-list__variables {
    font-style: normal;
    font-weight: 400;
    font-size: 20px;
    line-height: 26px;
    color: #656565;
}

.test-list__answer {
    font-weight: 400;
    font-size: 20px;
    line-height: 34px;
    color: #656565;
}

.test-navigation {
    font-size: 20px;
    line-height: 22px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
    text-decoration: none;
    color: #9DD103;
    border: 2px solid #9DD103 !important;
    border-radius: 5px;
    width: auto;
    padding: 6px 13px;
    transition: all .5s ease;
}

.test-navigation:hover {
    background: #9DD103;
    color: #fff;
}

.test-list__answer input.short-answer {
    max-width: 225px;
    border: none;
    border-bottom: 1px solid rgba(0,0,0,.5);
    background: none;
    outline: none;
}

/**/

/**/


.test-wrapper {
    border-radius: 25px;
    box-shadow: 0px 0px 10px rgb(0 0 0 / 25%);
}

.test-list__question {
    font-size: 20px;
    color: #656565;
    line-height: 26px;
}

.test-list__variables {
    font-style: normal;
    font-weight: 400;
    font-size: 20px;
    line-height: 26px;
    color: #656565;
}

.test-list__answer {
    font-weight: 400;
    font-size: 20px;
    line-height: 34px;
    color: #656565;
}

.test-navigation {
    font-size: 20px;
    line-height: 22px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
    text-decoration: none;
    color: #9DD103;
    border: 2px solid #9DD103 !important;
    border-radius: 5px;
    width: auto;
    padding: 6px 13px;
    transition: all .5s ease;
    min-height: 43px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.test-navigation:hover {
    background: #9DD103;
    color: #fff;
}

.test-list__answer input.short-answer {
    max-width: 225px;
    border: none;
    border-bottom: 1px solid rgba(0,0,0,.5);
    background: none;
    outline: none;
}

/**/


.test-list__question {
    font-size: 20px;
    color: #656565;
    line-height: 26px;
}

.test-list__variables {
    font-style: normal;
    font-weight: 400;
    font-size: 20px;
    line-height: 26px;
    color: #656565;
}

.test-list__answer {
    font-weight: 400;
    font-size: 20px;
    line-height: 34px;
    color: #656565;
}

/**/

.test-draggable-quest {
    min-width: 315px;
    padding-left: 0 !important;
}

.test-draggable-quest img {
    width: 100%;
}

.drag-hover {
    background: rgba(0,0,0,.1);
}

.draggable-zone {
    max-height: 120px;
}

.test-list__answers {
    max-height: 400px;
    overflow-y: auto;
}

.test-list__answers img {
    max-height: 90px;
    object-fit: contain;
    background: #cdcbdc;
}

.test-list__answer-draggable {
    min-height: 60px;
}

/**/

/*login page*/

.login-page {
    min-height: 100vh;
    background: url("../images/bg-login.jpg") no-repeat center center / cover;
}

.login-form-wrapper {
    border-radius: 50%;
    min-width: 500px;
    min-height: 500px;
}

.login-page-logo {
    position: absolute;
    bottom: 0px;
    right: 35px;
}

#password-input + label {
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
}

@media screen and (max-width: 576px) {
    .login-form-wrapper {
        min-height: unset;
        min-width: unset;
        width: 100%;
        border-radius: 0;
    }
    .login-page-logo {
        display: none;
    }
}

/*login-page end*/

/* profile page */

.profile-header {
    border-radius: 45px 45px 0 0;
    width: 100px;
    background: #19191d;
}

.profile-header__user figure {
    border-radius: 50%;
    width: 75px;
    height: 75px;
    overflow: hidden;
}

.profile-header__user figure img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

#profile-info-tab .nav-link {
    background: none;
}

#profile-info-tab .nav-link.active {
    color: #9DD103;
    border-bottom: 2px solid #9DD103;
}

.agree-new-password {
    background: #9DD103;
}

@media screen and (max-width: 768px) {
    .profile-header__user figure {
        width: 60px;
        height: 50px;
        overflow: hidden;
    }
}

@media screen and (max-width: 576px) {
    .profile-header__user figure {
        width: 75px;
        height: 75px;
    }
}

/* profile page */

/*404 */

.error-content__text h1 {
    font-size: 7rem;
    font-weight: 700;
}

.error-form-search {
    position: relative;
}

.error-form-search + label {
    position: absolute;
    right: 10px;
    top: 50%;
    transform: translateY(-50%);
}

.error-form-search + label svg,
.error-form-search + label path {
    fill: rgba(0,0,0, .5);
}

#password-input {
    position: relative;
}

#password-input + label {
    position: absolute;
    content: '';
    right: 5px;
    top: 50%;
    transform: translateY(-50%);
}

/*404 end*/

/* Регистрация */
.register-page > .container-wrapper {
    border-radius: 45px;
}

#registerForm button.submit-disabled {
    background: #6e6e6e;
}

#registerForm button.submit-active {
    background: #9DD103;
}
/* Регистрация end*/