html {
    box-sizing: border-box;
    --parent-height : 20em;
    --duration: 1s;
    --duration-text-wrap: 12s 1.5s cubic-bezier(0.82, 0.82, 1, 1.01);
    --cubic-header: var(--duration) cubic-bezier(0.71, 0.21, 0.3, 0.95);
    --cubic-slider : var(--duration) cubic-bezier(0.4, 0, 0.2, 1);
    --cubic-play-list : .35s var(--duration) cubic-bezier(0, 0.85, 0.11, 1.64);
    --cubic-slider-context : cubic-bezier(1, -0.01, 1, 1.01);
}

html *,
html *::before,
html *::after{
    box-sizing: inherit;
}

@font-face {
    font-family: "avenir";
    src: url(font/AvenirNextRoundedProMedium.TTF);
}

body {
    margin: 0;
    height: 100vh;
    display: flex;
    user-select: none;
    align-items: center;
    justify-content: center;
    background-color: #e5e7e9;
    font-family: 'Quicksand', sans-serif;
    -webkit-tap-highlight-color: transparent;
    transition: background-color var(--cubic-slider);
}

.img {
    width: 100%;
    display: block;
    object-fit: cover;
}

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

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

.uppercase {
    text-transform: uppercase;
}

.player {
    width: 17.15em;
    display: flex;
    overflow: hidden;
    border-radius: 1.35em;
    flex-direction: column;
    background-color: white;
    height: var(--parent-height);
}

.player__header {
    z-index: 1;
    gap: 0 .4em;
    width: 100%;
    display: flex;
    height: 5.85em;
    flex-shrink: 0;
    position: relative;
    align-items: flex-start;
    border-radius: inherit;
    justify-content: flex-end;
    background-color: white;
    padding: .95em 0.6em 0 1.2em;
    box-shadow: 0 2px 6px 1px #0000001f;
    transition: height var(--cubic-header), box-shadow var(--duration), padding var(--duration) ease-in-out;
}

.player__header .open-header {
    height: 100%;
    padding-left: 0;
    padding-right: 0;
    box-shadow: unset;
}

.player__img {
    width: 3.2em;
    height: 3.2em;
    border-radius: 1.32em;
}

.player__img--absolute {
    top: 1.4em;
    left: 1.3em;
    position: absolute;
}

.slider {
    flex-shrink: 0;
    overflow: hidden;
    transition: width var(--cubic-header), height var(--cubic-header), top var(--cubic-header), left var(--cubic-header);
}

.slider.open-slider {
    top: 0;
    left: 0;
    width: 100%;
    height: 14.6em;
}

.slider__content {
    display: flex;
    height: 100%;
    transition: transform var(--cubic-slider);
}

.slider__img {
    filter: brightness(75%);
}

.slider__name, 
.slider__title {
    overflow: hidden;
    white-space: nowrap;
}

.text-wrap {
    display: block;
    white-space: pre;
    width: fit-content;
    animation: text-wrap var(--duration-text-wrap) infinite;
}

@keyframes text-wrap {

    75%{
        transform: translate3d(-51.5%, 0, 0);
    }

    100%{
        transform: translate3d(-51.5%, 0, 0);

    }
    
}

.player__button {

    all: unset ;
    z-index: 100 ;
    width: 2.5em ;
    height: 2.5em ;
    cursor: pointer ;

}

.playlist {

    transform: scale(0) ;
    transition: transform calc(var(--duration) / 2) ;
    
}

.slider.open-slider .playlist {

    transform: scale(1) ;
    transition: transform var(--cubic-play-list) ;


}

.player__button--absolute--nw {

    top: 5.5% ;
    left: 5.5% ;
    position: absolute ;
    
}

.player__button--absolute--center {
    
    top: 0 ;
    left: 0 ;
    right: 0 ;
    bottom: 0 ;
    margin: auto ;
    position: absolute ;

}

img[alt ="pause-icon"] {

    display: none ;
    
}

.player__controls {

    width: 77% ;
    gap: .5em 0 ;
    display: flex ;
    flex-wrap: wrap ;
    align-items: center ;
    will-change: contents ;
    align-content: center ;
    justify-content: center ;
    transition: transform var(--cubic-header) , width var(--cubic-header) ;

}

.player__controls.move {

    width: 88% ;
    transform: translate3d(-1.1em , calc(var(--parent-height) - 153%) , 0) ;
    
}

.player__context {

    margin: 0 ;
    width: 100% ;
    display: flex ;
    line-height: 1.8 ;
    flex-direction: column ;
    justify-content: center ;
    text-transform: capitalize ;

}

.slider__context {

    width: 56.28% ;
    cursor: pointer ;
    text-align: center ;
    padding-bottom: .2em ;
    will-change: contents ;
    transition: width var(--cubic-header) ;
    animation: calc(var(--duration) / 2) var(--cubic-slider-context) ;

}

@keyframes opacity {
   

    0% {

        opacity: 0 ;

    }

    90%{

        opacity: 1 ;

    }

}

.player__controls.move .slider__context{
    
    width: 49.48% ;

}

.player__title {

    font-size: .7em ;
    font-weight: bold ;
    color: #00000086 ;

}

.progres {

    width: 90% ;
    height: .25em ;
    cursor: pointer ;
    border-radius: 1em ;
    background-color: #e5e7ea ;
    transition: width var(--cubic-header) ;

}

.player__controls.move .progres{

    width: 98%;
    
}

.progres__filled {

    width: 0% ;
    height: 100% ;
    display: flex ;
    position: relative ;
    align-items: center ;
    border-radius: inherit ;
    background-color: #78adfe ;
    
}

.progres__filled::before {

    right: 0 ;
    width: .35em ;
    height: .35em ;
    content: " " ;
    border-radius: 50% ;
    position: absolute ;
    background-color: #5781bd ;
    
}

.player__playlist {

    height: 100% ;
    overflow: auto ;   
    padding: 1.05em .9em 0 1.2em ; 

}

.player__playlist::-webkit-scrollbar {
    
    width: 0 ;

}

.player__song {

    gap: 0 .65em ;
    display: flex ;
    cursor: pointer ;
    margin-bottom: .5em ;
    padding-bottom: .7em ;
    border-bottom: .1em solid #d8d8d859 ;

}

.player__song .player__context {

    line-height: 1.5 ;

}

.player__song-name {

    font-size: .88em ;

}

.player__song-time {

    font-size: .65em ;
    font-weight: bold ;
    color: #00000079 ; 
    height: fit-content ;
    align-self: flex-end ;

}

.audio {

    display: block !important ;

}

@media screen and (max-width: 36em) {
    .player {
        font-size: 2.5em;

    }

}