/* apple fonts */
@font-face {
    font-family: SF-Pro-Display-Bold;
    src: url(../assets/fonts/SF-Pro-Display-Bold.ttf);
}
@font-face {
    font-family: SF-Pro-Display-Regular;
    src: url(../assets/fonts/SF-Pro-Display-Regular.ttf);
}
@font-face {
    font-family: SF-Pro-Display-Medium-Italic;
    src: url(../assets/fonts/SF-Pro-Display-Medium-Italic.ttf);
}
@font-face {
    font-family: SF-Pro-Display-Semibold;
    src: url(../assets/fonts/SF-Pro-Display-Semibold.ttf);
}
@font-face {
    font-family: SF-Pro-Display-Thin;
    src: url(../assets/fonts/SF-Pro-Display-Thin.ttf);
}
@font-face {
    font-family: SF-Pro-Display-Light;
    src: url(../assets/fonts/SF-Pro-Display-Light.ttf);
}
@font-face {
    font-family: SF-Pro-Display-Medium;
    src: url(../assets/fonts/SF-Pro-Display-Medium.ttf);
}
  
/* variables */
:root{
      
}
  
* {
    margin: 0;
    padding: 0;
}

html, body{
    width: 100%;
    height: 100%;
    scroll-behavior: smooth;
    font-family: SF-Pro-Display-Regular;
    background-color: #ffffff;
    -webkit-tap-highlight-color: transparent;
}

body{
    min-height: 660px;
}

input[type=range]{
    -webkit-appearance: none;
    appearance: none;
}
progress{
    -webkit-appearance: none;
    appearance: none;
}

/* svg fill */

.logo-svg-path-fill{
    fill: #303030;
    transition: .3s;
}
.logo-svg-path-fill-with-stoke{
    fill: #303030;
    stroke: #303030;
    transition: .3s;
}
.logo-svg-path-fill-only-stoke{
    stroke: #303030;
    transition: .3s;
}
.list-marker-path-fill{
    fill: #32d74b;
    transition: .3s;
}
.start-btn-path-fill, .play-again-btn-path-fill, .library-btn-path-fill{
    fill: #ffffff;
}
.player-btn-path-fill{
    fill: #1d1d1f;
}
.volume-svg-path-fill{
    fill: #1d1d1f;
}
.correcct-answer-path-fill{
    fill: #32d74b;
}
.wrong-answer-path-fill{
    fill: #e11c2a;
}
.default-answer-path-fill{
    fill: none;
    stroke: #c0c0c0;
    stroke-miterlimit: 10;
    stroke-width: .75px;
}
.default-song-cover-svg-path-fill{
    fill: rgba(255, 255, 255, 0.7);
}

/* header */

@media (max-width: 768px) {
    .header .nav-list{
        display: none;
    }
    .header .menu-btn-block{
        display: block;
    }
    .header .game-settings-btn {
        width: 30px;
    }
    .header .header-mobile-bg{
        display: block;
    }
    .header .nav-list-item{
        opacity: 0;
    }
    
}

.header{
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 100%;
    height: 44px;
    background-color: #f3f3f3;
}
.header-nav{
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: calc(100% - 40px);
    height: 44px;
}
.nav-logo-link{
    display: flex;
    align-items: center;
    cursor: pointer;
    height: 44px;
    text-decoration: none;
}
.header-nav-logo-img{
    width: 16px;
    height: 20px;
    margin-right: 7px;
}
.header-nav-logo-text{
    font-family: SF-Pro-Display-Medium;
    font-size: 1.25em;
    user-select: none;
    color: #303030;
}
.nav-list{
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 45%;
    height: 100%;
    list-style: none;
    font-size: 16px;
    user-select: none;
}
.nav-list-item{
    display: flex;
    align-items: center;
    height: 100%;
}
.nav-list-item-text{
    color: #303030;
    opacity: .55;
    transition: opacity 1s cubic-bezier(0.645, 0.045, 0.355, 1);
}
.nav-list-item-active{
    opacity: 1;
}
.game-settings-btn{
    display: flex;
    justify-content: flex-end;
    width: 118.77px;
    height: 100%;
    opacity: 1;
    transition: transform 0.44s 0.2s cubic-bezier(0.04, 0.04, 0.12, 0.96),
    opacity 0.28s 0.36s cubic-bezier(0.52, 0.16, 0.24, 1)
}
.game-settings-btn-wrapper{
    display: flex;
    align-items: center;
    cursor: pointer;
    opacity: 1;
    transition: opacity 0.3s cubic-bezier(0.25, 0.1, 0.25, 1)
}
.game-settings-btn-img{
    width: 30px;
    height: 30px;
}

/* menu btn */
.menu-btn-block{
    display: none;
    height: 44px;
    width: 30px;
}
.menu-btn-block-wrapper{
    display: flex;
    justify-content: center;
    align-items: center;
    height: 44px;
    width: 44px;
    cursor: pointer;
    margin-left: -14.5px;
    z-index: 10;
}
.menu-btn-wrapper{
    position: absolute;
    width: 30px;
    height: 30px;
    transform: none;
    transition: transform .1806s cubic-bezier(0.04, 0.04, 0.12, 0.96);
}
.menu-btn{
    position: absolute;
    display: block;
    min-width: 17px;
    height: 1px;
    left: 7px;
    border-radius: 0.5px;
    background-color: #1d1d1f;
    transition: transform .1596s cubic-bezier(0.52, 0.16, 0.52, 0.84) .1008s;
}
.menu-btn-top{
    top: 14px;
    transform: translateY(-3px) scaleX(.88235);
}
.menu-btn-bottom{
    bottom: 14px;
    transform: translateY(3px) scaleX(.88235);
}
.menu-btn-block-wrapper:hover .menu-btn{
    background-color: #000000;
}
.menu-btn-block-wrapper.mobile-menu-open .menu-btn-top{
    transition: transform .1806s cubic-bezier(0.04, 0.04, 0.12, 0.96);
    background-color: #000000;
    
    transform: none;
}
.menu-btn-block-wrapper.mobile-menu-open .menu-btn-bottom{
    transition: transform .1806s cubic-bezier(0.04, 0.04, 0.12, 0.96);
    background-color: #000000;
    transform: none;
}
.menu-btn-block-wrapper.mobile-menu-open .menu-btn-top-wrapper{
    transition: transform .3192s cubic-bezier(0.04, 0.04, 0.12, 0.96) .1008s;
    transform: rotate(45deg);
}
.menu-btn-block-wrapper.mobile-menu-open .menu-btn-bottom-wrapper{
    transition: transform .3192s cubic-bezier(0.04, 0.04, 0.12, 0.96) .1008s;
    transform: rotate(-45deg);
}

/* main menu bg on open */
.header-mobile-bg{
    display: none;
    position: absolute;
    width: 100%;
    height: 0px;
    background-color: #f3f3f3;
    z-index: 20;
    top: 44px;
    transition: height .56s cubic-bezier(0.52, 0.16, 0.24, 1);
}
.header-mobile-bg.mobile-bg-active{
    height: calc(100vh - 44px);
}
.body-fixed{
    position: fixed;
    overflow-y: scroll;
}
.game-settings-btn-hidden{
    visibility: hidden;
    opacity: 0;
    transform: translateY(8px);
    transition: transform 0.36s cubic-bezier(0.54, 0.12, 0.88, 0.64),
    opacity 0.3s cubic-bezier(0.32, 0.08, 0.24, 1),
    visibility 0s linear .64s;
}
.game-settings-btn.game-settings-btn-hidden .game-settings-wrapper{
    opacity: 0;
}
.nav-list.nav-list-mobile-visible{
    position: absolute;
    display: flex;
    flex-direction: column;
    justify-content: center;
    min-height: calc(100vh - 44px);
    top: 44px;
    left: 0;
    right: 0;
    margin-left: auto;
    margin-right: auto;
    bottom: 0;
    z-index: 22;
    height: 300px;
}
.nav-list.nav-list-mobile-visible .nav-list-item{
    height: 120px;
    margin-top: -30px;
}
.header .nav-list.nav-list-mobile-visible .nav-list-item:nth-of-type(1){
    opacity: 0;
    animation: reveal .3s forwards ease-in-out .15s;
}
.header .nav-list.nav-list-mobile-visible .nav-list-item:nth-of-type(2){
    opacity: 0;
    animation: reveal .3s forwards ease-in-out .3s;
}
.header .nav-list.nav-list-mobile-visible .nav-list-item:nth-of-type(3){
    opacity: 0;
    animation: reveal .3s forwards ease-in-out .35s;
}
.header .nav-list.nav-list-mobile-visible .nav-list-item:nth-of-type(4){
    opacity: 0;
    animation: reveal .3s forwards ease-in-out .4s;
}
@keyframes reveal {
    100% {
        opacity: 1;
        transform: translateY(17px);
    }
}

/* game-settings */
.game-settings{
    position: absolute;
    visibility: hidden;
    opacity: 0;
    width: 220px;
    height: 130px;
    right: 20px;
    top: 42px;
    background-color: #f3f3f3;
    border-radius: 16px;
    z-index: 20;
    box-shadow: 0 0 15px rgb(0 0 0 / 15%), 0 0 0 1px rgb(0 0 0 / 10%);
}
.game-settings.active{
    visibility: visible;
    opacity: 1;
}

.game-settings-title{
    display: flex;
    align-items: center;
    width: calc(100% - 20px);
    background-color: #e7e7e7;
    border-top-left-radius: 16px;
    border-top-right-radius: 16px;
    height: 25px;
    font-family: SF-Pro-Display-Medium;
    font-size: 17px;
    padding: 10px;
    border-bottom: 1px solid rgba(170,170,174,.3);
}
.game-settings-list{
    display: flex;
    flex-direction: column;
    row-gap: 10px;
    padding: 10px;
}
.game-settings-item{
    display: flex;
    justify-content: space-between;
    height: 22px;
}
.game-settings-divider{
    width: 100%;
    height: 1px;
    background-color: rgba(170,170,174,.3);
}
.languages{
    font-family: SF-Pro-Display-Regular;
    height: 22px;
    font-size: 16px;
    border-radius: 7px;
    outline: none;
    border: 1px solid #d3d3d3
}
.languages > option{
    font-family: SF-Pro-Display-Regular;
}
.form-switch {
    display: inline-block;
    cursor: pointer;
    -webkit-tap-highlight-color: transparent;
}
.form-switch i {
    position: relative;
    display: inline-block;
    width: 37px;
    height: 22px;
    background-color: #d3d3d3;
    border-radius: 23px;
    vertical-align: text-bottom;
    transition: all 0.3s linear;
}
.form-switch i::after {
    content: "";
    position: absolute;
    left: 0;
    width: 20px;
    height: 20px;
    background-color: #f5f5f7;
    border-radius: 13px;
    box-shadow: 1px 0px 3px rgba(0, 0, 0, 0.1);
    transform: translate3d(1px, 1px, 0);
    transition: all 0.2s ease-in-out;
}
.form-switch input { 
    display: none; 
}
.form-switch input:checked + i { 
    background-color: #68cd67; 
}
.form-switch input:checked + i::after { 
    transform: translate3d(15.7px, 1px, 0); 
    box-shadow: -1px 0px 3px rgba(0, 0, 0, 0.1);
}

/* main */
@media (max-width: 768px) {
    html body{
        min-height: 940px;
    }
    body .main{
        min-height: 940px;
    }
    .main .main-wrapper{
        min-height: 940px;
    }
    .main .main-bg {
        width: 768px;
        height: 100%;
        filter: invert(15%);
        /* filter: invert(80%); */
    }
}
@media (max-width: 525.5px) {
    html body{
        min-height: 1187px;
    }
    body .main{
        min-height: 1187px;
    }
    .main .main-wrapper{
        min-height: 1187px;
    }
}

.main{
    display: flex;
    flex-direction: column;
    height: 100%;
    width: 100%; 
    min-height: 660px;
    z-index: 1;
}
.main-bg-wrapper{
    width: 100%;
    height: 100%;
    display: flex;
    align-content: center;
    overflow: hidden;
}
.main-bg {
    width: 100%;
    height: 100%;
    filter: invert(15%);
    /* filter: invert(80%); */
}
.main-wrapper{
    position: absolute;
    top: 44px;
    width: 100%;
    height: 100%;
    min-height: 660px;
    overflow: hidden;
}
.main-sections{
    height: 100%;
    width: 400%;
    display: flex;
    transition: transform 1s cubic-bezier(0.645, 0.045, 0.355, 1);
}
.section{
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100%;
    width: 100%;
    min-width: 10%;
}

@media (max-width: 640px) {
    .start-page-section .start-page-wrapper, .results-section .results-page-wrapper{
        width: calc(100% - 40px);
    }
}
@media (max-width: 500px) {
    .start-page-section .start-page-content {
        width: 300px;
    } 
    .start-page-section .start-page-rules-heading{
        margin-top: 20px;
    }
    .start-page-section .start-game-btn{
        margin-top: 20px;
    }
}
@media (max-width: 425px) {
    .start-page-section .start-page-wrapper{
        height: 440px;
    }
    .start-page-section .start-page-content {
        width: 250px;
    }
   
}
@media (max-width: 375px) {
    .start-page-section .start-page-wrapper{
        height: 470px;
    }
    .start-page-section .start-page-content {
        width: 240px;
    }
}

/* start page */
.start-page-wrapper, .results-page-wrapper{
    width: 600px;
    height: 400px;
    display: flex;
    justify-content: center;
    align-items: center;
    color: #1d1d1f;
    background-color: rgba(255, 255, 255, 0.7);
    border-radius: 16px;
}

.start-page-content, .results-page-content{
    display: flex;
    flex-direction: column;
    width: 390px;
}
.start-page-heading, .results-page-heading{
    text-align: center;
    font-family: SF-Pro-Display-Semibold;
    font-size: 32px;
}
.start-page-rules-heading{
    font-size: 17px;
    line-height: 22px;
    margin-top: 30px;
    font-family: SF-Pro-Display-Medium;
}
.start-page-rules-list{
    list-style: none;
}
.list-marker-img{
    min-width: 15px;
    height: 15px;
    margin-right: 7px;
    margin-top: 3px;
}
.start-page-rule-item{
    font-size: 17px;
    line-height: 22px;
    padding-top: 3px;
    padding-bottom: 3px;
    display: flex;
}
.game-btn{
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    align-self: center;
    column-gap: 7px;
    background-color: #0071e3;
    color: #ffffff;
    border-radius: 16px;
    height: 45px;
    min-height: 45px;
    font-family: SF-Pro-Display-Light;
    font-size: 19px;
    cursor: pointer;
    user-select: none;
}
.start-game-btn, .play-again-btn, .library-btn{
    width: 150px;
    margin-top: 30px;
}
.btn-img{
    width: 25px;
    height: 25px;
}

@media (max-width: 1040px) {
    .quiz-stages-menu .stages-menu-content{
        width: 100%;
        padding-left: 20px;
        padding-right: 20px;
    }
}
@media (max-width: 768px) {
    .quiz-stages-menu .stages-menu-list{
        display: none;
    }
    .quiz-stages-menu .quiz-stages-menu-btn{
        display: block;
    }
}

/* quiz-menu */
.quiz-stages-menu{
    position: sticky;
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    height: 0px;
    top: 0;
    z-index: 15;
    visibility: hidden;
    transition: 1s cubic-bezier(0.52, 0.16, 0.24, 1) .2s;
    border-bottom: 0px solid #00000000;
}
.quiz-stages-menu.active{
    height: 52px;
    visibility: visible;
    transition: 1s cubic-bezier(0.52, 0.16, 0.24, 1) 0s;
}
.quiz-stages-menu.active.stages-menu-mobile-open .stages-menu-bg{
    height: 320px;
}
.quiz-stages-menu.active.stages-menu-mobile-open .stages-menu-list{
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 52px;
    right: 0;
    left: 0;
    margin-left: auto;
    margin-right: auto;
    width: 100px;
    height: 210px;
    text-align: center;
}
.quiz-stages-menu.active.stages-menu-mobile-open .stages-menu-list .stages-menu-list-item:nth-of-type(1){
    opacity: 0;
    animation: reveal .3s forwards ease-in-out .1s;
}
.quiz-stages-menu.active.stages-menu-mobile-open .stages-menu-list .stages-menu-list-item:nth-of-type(2){
    opacity: 0;
    animation: reveal .3s forwards ease-in-out .15s;
}
.quiz-stages-menu.active.stages-menu-mobile-open .stages-menu-list .stages-menu-list-item:nth-of-type(3){
    opacity: 0;
    animation: reveal .3s forwards ease-in-out .2s;
}
.quiz-stages-menu.active.stages-menu-mobile-open .stages-menu-list .stages-menu-list-item:nth-of-type(4){
    opacity: 0;
    animation: reveal .3s forwards ease-in-out .25s;
}
.quiz-stages-menu.active.stages-menu-mobile-open .stages-menu-list .stages-menu-list-item:nth-of-type(5){
    opacity: 0;
    animation: reveal .3s forwards ease-in-out .3s;
}
.quiz-stages-menu.active.stages-menu-mobile-open .stages-menu-list .stages-menu-list-item:nth-of-type(6){
    opacity: 0;
    animation: reveal .3s forwards ease-in-out .35s;
}
.stages-menu-bg{
    position: absolute;
    width: 100%;
    height: 0px;
    top: 0;
    background-color: rgba(255, 255, 255, 0.72);
    backdrop-filter: saturate(180%) blur(20px) ;
    -webkit-backdrop-filter: saturate(180%) blur(20px);
    transition: .5s cubic-bezier(0.52, 0.16, 0.24, 1) .5s;
    border-bottom: 0px solid #00000000;
}
.quiz-stages-menu.active .stages-menu-bg{
    height: 52px;
    border-bottom: 1.5px solid #d6d6d6;
    transition: .5s cubic-bezier(0.52, 0.16, 0.24, 1) 0s;
}
.stages-menu-content{
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 1000px;
    opacity: 0;
    color: #303030;
    z-index: 5;
    transition: opacity .5s cubic-bezier(0.52, 0.16, 0.24, 1) 0s;
}
.quiz-stages-menu.active .stages-menu-content{
    opacity: 1;
    transition: opacity .5s cubic-bezier(0.52, 0.16, 0.24, 1) .3s;
}
.game-score{
    display: flex;
}
.stages-menu-list{
    display: flex;
    justify-content: space-between;
    width: 600px;
    list-style: none;
    font-size: 15px;
    user-select: none;
}
.stages-menu-list-item{
    color: #1d1d1f8c;
    transition: color 1s cubic-bezier(0.645, 0.045, 0.355, 1);
}
.stages-menu-list-item-active{
    color: #1d1d1f;
}
.quiz-stages-menu-btn{
    display: none;
    width: 40px;
    height: 30px;
    cursor: pointer;
    margin-top: 13px;
    transform: translateX(11px);
}
.quiz-stages-menu-btn-icon{
    display: block;
    position: relative;
    width: 100%;
    height: 100%;
    z-index: 1;
    transform: translateY(0px);
    transition: transform .5s cubic-bezier(0.86, 0, 0.07, 1) 0s, 
    transform-origin .5s cubic-bezier(0.86, 0, 0.07, 1) 0s;
}
.quiz-stages-menu-btn-icon::before, .quiz-stages-menu-btn-icon::after {
    content: "";
    display: block;
    position: absolute;
    top: 13px;
    width: 11px;
    height: 1px;
    z-index: 1;
    background-color: #1d1d1f;
    transition: transform .5s cubic-bezier(0.86, 0, 0.07, 1) 0s, 
    transform-origin .5s cubic-bezier(0.86, 0, 0.07, 1) 0s;
}
.quiz-stages-menu-btn-icon::before {
    transform-origin: 100% 100%;
    transform: rotate(40deg) scaleY(1.1);
    right: 50%;
    border-radius: 0.5px 0px 0px 0.5px;
}
.quiz-stages-menu-btn-icon::after {
    transform-origin: 0% 100%;
    transform: rotate(-40deg) scaleY(1.1);
    left: 50%;
    border-radius: 0px 0.5px 0.5px 0px;
}
.quiz-stages-menu-btn-icon.quiz-stages-menu-btn-active{
    transform: translateY(-8px);
}
.quiz-stages-menu-btn-icon.quiz-stages-menu-btn-active::before{
    transform-origin: 100% 0%;
    transform: rotate(-40deg) scaleY(1.1);
}
.quiz-stages-menu-btn-icon.quiz-stages-menu-btn-active::after{
    transform-origin: 0% 0%;
    transform: rotate(40deg) scaleY(1.1);
}


@media (max-width: 1040px) {
    .quiz-section .quiz-pages{
        width: calc(100% - 40px);
        height: 555px;
    }
    .quiz-section .quiz-pages-wrapper{
        height: 555px;
        width: 200%;
        column-gap: 15px;
    }
    .quiz-section .quiz-page{
        width: calc(50%);
        min-width: 50%;
    }
    .quiz-section .quiz-answer-options{
        width: 30%;
    }
    .quiz-section .quiz-option-info{
        width: calc(70% - 30px);
    }
}
@media (max-width: 768px) {
    .quiz-section .quiz-pages{
        height: 835px;
    }
    .quiz-section .quiz-pages-wrapper{
        height: 835px;
    }
    .quiz-section .quiz-page{
        row-gap: 20px;
    }
    .quiz-section .quiz-options-wrapper{
        display: flex;
        flex-direction: column;
        column-gap: 0px;
        row-gap: 20px;
    }
    .quiz-section .quiz-answer-options{
        width: 100%;
    }
    .quiz-section .quiz-option-info{
        width: calc(100% - 30px);
    }
    .quiz-section .quiz-answer-option:hover{
        background-color: rgba(167, 167, 167, 0);
    }
}
@media (max-width: 525.5px) {
    .quiz-section .quiz-pages{
        height: 1083px;
    }
    .quiz-section .quiz-pages-wrapper{
        height: 1083px;
    }
    .quiz-page .quiz-current-question{
        min-height: 250px;
        flex-direction: column;
        padding-top: 15px;
        padding-bottom: 15px;
        row-gap: 15px;
    }
    .quiz-page .question-song-cover{
        min-width: 100px;
        height: 100px;
    }
    .quiz-page .song-info{
        display: flex;
        flex-direction: column;
        align-items: center;
    }
    .quiz-page .song-title, .quiz-page .song-artist{
        text-align: center;
    }
    .quiz-page .question-song-player, .quiz-page .option-song-player{
        row-gap: 0px;
    }
    .quiz-page .song-controls {
        width: 100%;
        position: relative;
        margin-top: 10px;
    }
    .quiz-page .song-start-btn, .quiz-page .song-stop-btn{
        position: absolute;
        right: 0;
        left: 0;
        margin-left: auto;
        margin-right: auto;
        top: 35px;
    }
    .quiz-page .volume-control{
        margin-top: 53px;
        width: 70%;
    }
    .quiz-section .quiz-option-info{
        min-height: 388px;
    }
    .quiz-section .quiz-option-info-wrapper{
        flex-direction: column;
        row-gap: 15px;
    }
    .quiz-section .option-info-text-wrapper{
        margin-top: 35px;
    }
}

/* quiz section */
.quiz-section{
    overflow: hidden;
    margin-top: 52px;
}
.quiz-pages{
    width: 1000px;
    height: 555px;
    border-radius: 16px;
    overflow: hidden;
}
.quiz-pages-wrapper{
    display: flex;
    height: 555px;
    width: calc(200% + 30px);
    column-gap: 30px;
    transition: transform 1s cubic-bezier(0.645, 0.045, 0.355, 1);
}
.quiz-page{
    display: flex;
    flex-direction: column;
    row-gap: 30px;
    width: 1000px;
}
.quiz-current-question{
    width: calc(100% - 30px);
    height: 170px;
    min-height: 170px;
    display: flex;
    align-items: center;
    column-gap: 15px;
    padding: 0 15px 0 15px;
    color: #1d1d1f;
    background-color: rgba(255, 255, 255, .7);
    border-radius: 16px;
}
.song-cover{
    min-width: 140px;
    height: 140px;
    border-radius: 9px;
    box-shadow: 0 10px 15px rgb(0 0 0 / 15%);
}
.question-song-cover{
    background-color: rgba(29, 29, 31, 0.3);
    box-shadow: 0 10px 15px rgb(0 0 0 / 20%);
    display: flex;
    align-items: center;
    justify-content: center;
    background-size: contain;
}
.default-song-cover-img{
    width: 65px;
    height: 85px;
    margin-left: -10px;
}
.default-cover-img-hidden{
    display: none;
}
.question-song-player{
    width: 100%;
    display: flex;
    flex-direction: column;
    row-gap: 17px;
}
.song-info{
    font-size: 16px;
}
.song-title{
    line-height: 19.33px;
    font-family: SF-Pro-Display-Semibold;
    width: 300px;
    overflow: hidden; 
    white-space: nowrap; 
    text-overflow: ellipsis;
}
.song-artist{
    line-height: 19.33px;
    color: rgba(29, 29, 31, 0.5);
    font-family: SF-Pro-Display-Medium;
    width: 300px;
    overflow: hidden; 
    white-space: nowrap; 
    text-overflow: ellipsis;
}
.song-controls{
    display: flex;
    align-items: center;
    column-gap: 10px;
    height: 20px;
}
.song-start-btn, .song-stop-btn{
    background-color: transparent;
    border: none;
    cursor: pointer;
    display: none;
    align-items: center;
    height: 20px;
    width: 20px;
}
.song-control-btn-active{
    display: flex;
}
.song-btn-img{
    width: 20px;
    height: 20px;
}
.option-song-btn-img{
    width: 17px;
    height: 17px;
}
.controls-progress{
    width: 100%;
    height: 10px;
    position: relative;
    border-radius: 5px;
    z-index: 5;
}
.progressbar-range{
    position: absolute;
    -webkit-appearance: none;
    background-color: transparent;
    width: 100%;
    z-index: 2;
    cursor: pointer;
}
.progressbar-range::-webkit-slider-thumb{
    -webkit-appearance: none;
    height: 10px;
    width: 1px;
}
@media (pointer: fine) {
    .progressbar-range:hover ~ .progressbar-progress::-webkit-progress-bar{
        margin-top: -2.5px;
        height: 10px;
    }
}

.progressbar-progress{
    position: absolute;
    height: 5px;
    width: 100%;
    accent-color: #1d1d1f;
    border-radius: 5px;
    margin-top: 2.5px;
}
.progressbar-progress::-webkit-progress-bar{
    -webkit-appearance: none;
    background-color: rgba(29, 29, 31, 0.3);
    transition: height, margin .1s linear, .1s linear;
    border-radius: 5px;
    overflow: hidden;
}
.progressbar-progress::-webkit-progress-value{
    -webkit-appearance: none;
    background-color: hsl(240, 3%, 12%);
}
.song-duration{
    color: rgba(29, 29, 31, 0.5);
    font-size: 14px;
    font-family: SF-Pro-Display-Medium;
    display: flex;
    user-select: none;
}
.song-duration-start{
    min-width: 30px;
    justify-content: flex-end;
}
.song-duration-end{
    min-width: 36px;
    justify-content: flex-start;
}
.duration-num{
    display: flex;
    justify-content: center;
    min-width: 8.75px;
}
.volume-control, .library-volume-control{
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 50%;
    align-self: center;
    column-gap: 10px;
}
.volume-img{
    min-width: 22px;
    height: 13px;
}

.quiz-options-wrapper{
    display: flex;
    column-gap: 30px;
}
.quiz-answer-options{
    width: 50%;
    height: 280px;
    background-color: rgba(255, 255, 255, 0.7);
    border-radius: 16px;
    overflow: hidden;
}
.quiz-answer-options-wrapper{
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    color: #1d1d1f;
}
.quiz-answer-option{
    display: flex;
    align-items: center;
    flex: 1;
    column-gap: 12px;
    cursor: pointer;
    padding: 1px 15px 0px 15px;
}
.quiz-answer-option:hover{
    background-color: rgba(167, 167, 167, 0.1);
}
.answer-img{
    min-width: 18px;
    height: 17px;
}
.quiz-answer-option > .answer-text-wrapper{
    display: flex;
    align-items: center;
    max-width: calc(100% - 30px);
    width: 100%;
    height: 100%;
    border-bottom: 1px solid #c0c0c0;
}
.answer-text{
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.quiz-answer-options-wrapper .quiz-answer-option:nth-child(6) .answer-text-wrapper{
    border-bottom: none;
}
.quiz-option-info{
    width: calc(50% - 30px);
    height: 250px;
    display: flex;
    flex-direction: column;
    color: #1d1d1f;
    background-color: rgba(255, 255, 255, 0.7);
    border-radius: 16px;
    padding: 15px;
    row-gap: 15px;
}
.quiz-option-info-wrapper{
    display: flex;
    align-items: center;
    column-gap: 15px;
    width: 100%;
}
.default-info-msg{
    height: 100%;
    display: flex;
    align-self: center;
    align-items: center;
    font-size: 19px;
}

.option-song-cover{
    min-width: 100px;
    height: 100px;
}
.option-song-player{
    width: 100%;
    display: flex;
    flex-direction: column;
    row-gap: 17px;
}
.option-info-text-wrapper{
    overflow-y: auto;
}
.option-info-text-wrapper::-webkit-scrollbar{
    display: none;
}

.next-question-btn, .results-btn, .library-back-btn{
    background-color: rgba(255, 255, 255, 0.7);
    color: #1d1d1f;
    width: 150px;
}

.game-btn:disabled{
    opacity: .65;
    cursor: default;
}

@media (max-width: 525.5px) {
    .results-section .results-buttons{
        flex-direction: column;
    }
}

.results-score-text, .results-question-text{
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 20px;
    margin-top: 20px;
}
.results-buttons{
    width: 90%;
    display: flex;
    justify-content: space-around;
    align-self: center;
    margin-top: 30px;
}

@media (max-width: 1040px) {
    .library-section .library-section-wrapper {
        width: calc(100% - 40px);
        height: calc(100% - 104px);
        display: flex;
        flex-direction: column;
        row-gap: 30px;
    }
    .library-section .library-header-wrapper{
        width: 50%;
    }
    .library-section .library-song-description{
        width: 50%;
    }
}
@media (max-width: 768px) {
    .library-section .library-section-wrapper {
        row-gap: 20px;
    }
    .library-section .library-header{
        flex-direction: column;
        min-height: 351px;
        height: 351px;
        row-gap: 20px;
        column-gap: 0px;
    }
    .library-section .library-header-wrapper {
        width: calc(100% - 30px);
    }
    .library-section .library-song-description{
        height: 165.5px;
        min-height: 135.5px;
        width: calc(100% - 30px);
    }
    .library-section .library-song:hover {
        transform: none;
    }
}
@media (max-width: 525.5px) {
    .library-section .library-header {
        min-height: 466.5px;
        height: 466.5px;
    }
    .library-section .library-header-wrapper {
        
    }
    .library-section .library-player-wrapper {
        display: flex;
        flex-direction: column;
        align-items: center;
    }
    .library-section .song-title, .library-section .song-artist{
        text-align: center;
    }
    .library-section .library-song-player{
        row-gap: 0px;
        justify-content: flex-start;
        margin-top: 15px;
    }
    .library-section .song-controls {
        width: 100%;
        position: relative;
        margin-top: 10px;
    }
    .library-section .song-start-btn, .library-section .song-stop-btn{
        position: absolute;
        right: 0;
        left: 0;
        margin-left: auto;
        margin-right: auto;
        top: 35px;
    }
    .library-section .library-volume-control{
        margin-top: 53px;
        width: 70%;
    }
    .library-section .library-song-description-wrapper {
        height: 135px;
    }
}

.library-btn-img{
    height: 17px;
    width: 13px;
}
.play-again-btn-img{
    height: 19px;
    width: 19px;
}

.library-section-wrapper {
    width: 1000px;
    height: calc(100% - 104px);
    display: flex;
    flex-direction: column;
    row-gap: 30px;
}

.library-header{
    display: flex;
    width: 100%;
    height: 165.5px;
    min-height: 165.5px;
    column-gap: 30px;
}

.library-song-description-wrapper{
    overflow: auto;
}

.library-song-description-wrapper::-webkit-scrollbar{
    display: none;
}

.library-header-wrapper, .library-song-description{
    display: flex;
    flex-direction: column;
    width: calc(50% - 30px);
    background-color: rgba(255, 255, 255, 0.7);
    border-radius: 16px;
    padding: 15px;
    column-gap: 15px;
}

.library-song-player-cover{
    min-width: 100px;
    height: 100px;
}

.library-player-wrapper{
    display: flex;
    align-items: center;
    column-gap: 15px;
}

.library-song-player{
    width: 100%;
    height: 70px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}
.library-song-player-info{
    width: 100%;
    max-width: 100%;
}
.library-song-player-artist, .library-song-player-title{
    width: 100%;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.library-volume-control{
    margin-top: 22.5px;
    width: 70%;
}

.library-songs-list{
    width: calc(100% - 30px);
    height: 100%;
    background-color: rgba(255, 255, 255, 0.7);
    border-radius: 16px;
    padding: 15px 15px 15px 15px;
    column-gap: 15px;
    overflow: auto;
}

.library-songs-list::-webkit-scrollbar-track {
    border-radius: 0.5rem;
    background-color: transparent;
    margin-bottom: 8px;
    margin-top: 8px;
}
.library-songs-list::-webkit-scrollbar {
    width: 14px;
}
.library-songs-list::-webkit-scrollbar-thumb{
    border: 4px solid rgba(0, 0, 0, 0);
    background-clip: padding-box;
    border-radius: 9999px;
    background-color: rgb(62, 62, 62);
}

.library-songs-list-wrapper{
    display: flex;
    flex-wrap: wrap;
    column-gap: 15px;
    row-gap: 15px;
}

.library-song{
    display: flex;
    flex-direction: column;
    align-items: center;
    flex: 1;
    width: 150px;
    transition: .3s;
    row-gap: 3px;
}
.library-song:hover {
    transform: scale(1.05);
    cursor: pointer;
}
.library-song-artist, .library-song-title{
    width: 150px;
    text-align: center;
}
.library-song-cover{
    width: 150px;
    height: 150px;
}

@media (max-width: 362px) {
    body .footer{
        display: flex;
        justify-content: center;
        width: 100%;
        height: 100px;
        background-color: #f3f3f3;
    }
}

/* footer */
.footer{
    display: flex;
    justify-content: center;
    width: 100%;
    height: 70px;
    background-color: #f3f3f3;
}
.footer-legal{
    width: calc(100% - 40px);
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: #86868b;
    column-gap: 20px;
}
.footer-legal-text-title{
    color: #000000;
    opacity: .8;
}
.footer-legal-links{
    display: flex;
    align-items: center;
    height: 100%;
}
.footer-github{
    margin-right: 12px;
    padding-right: 10px;
    border-right: 1px solid #d2d2d7;
}
.footer-github:hover .logo-svg-path-fill{
    fill: #000000;
}
.footer-github-img{
    width: 30px;
    height: 30px;
}
.footer-rs-school:hover .logo-svg-path-fill{
    fill: #000000;
}
.footer-rs-school:hover .logo-svg-path-fill-with-stoke{
    fill: #000000;
    stroke: #000000;
}
.footer-rs-school:hover .logo-svg-path-fill-only-stoke{
    stroke: #000000;
}
.footer-rs-school-img{
    width: 83px;
    height: 30px;
}