:root {
    --font-regular: "sfpro regular", Arial, Helvetica, sans-serif;
    --font-semibold: "sfpro semibold", Arial, Helvetica, sans-serif;
    --font-logo: "hotel";

    --bg-color: #111111;
    --app-color: #FFFFFF;
    --gray-bg-color: #424242;
}

html {
    box-sizing: border-box;
    font-size: 62.5%;
    scroll-behavior: smooth;
}

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

body {
    line-height: 1.6;
    font-size: 1.6rem;
    font-family: var(--font-semibold);
    background-color: var(--bg-color);
    color: var(--app-color);
}

/*

reset

*/

a {
    text-decoration: none;
    color: var(--app-color);
    cursor: pointer;

}

/*

======================

        menu

======================
*/

.menu {
    display: block;
    position: fixed;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    margin-bottom: 2rem;
    display: flex;
    gap: 2rem;
    z-index: 100;
}

.menu-items {
    width: 22rem;
    height: 6rem;
    backdrop-filter: blur(3px);
    border-radius: 100rem;
    display: flex;
    align-items: center;
    justify-content: space-evenly;
}

.menu-search {
    width: 6rem;
    height: 6rem;
    backdrop-filter: blur(3px);
    border-radius: 100rem;
    display: flex;
    align-items: center;
    justify-content: space-evenly;
}


.menu-items::before,
.menu-search::before {
    content: '';
    position: absolute;
    inset: 0;
    z-index: 0;
    overflow: hidden;
    border-radius: 9999px;
    -webkit-box-shadow: inset 2px 2px 0px -2px rgba(255, 255, 255, 0.7), inset 0 0 3px 1px rgba(255, 255, 255, 0.7);
    box-shadow: inset 2px 2px 0px -2px rgba(255, 255, 255, 0.7), inset 0 0 3px 1px rgba(255, 255, 255, 0.7);
    background-color: rgba(15, 15, 15, 0.1);
    pointer-events: none;
}

.menu-items::after,
.menu-search::after {
    content: '';
    position: absolute;
    z-index: -1;
    inset: 0;
    border-radius: 9999px;
    -webkit-backdrop-filter: blur(0px);
    backdrop-filter: blur(0px);
    -webkit-filter: url(#btn-glass);
    filter: url(#btn-glass);
    overflow: hidden;
    isolation: isolate;
    pointer-events: none;
}

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


.menu-item-img {
    display: block;
    width: 2rem;
    height: 2rem;
    cursor: pointer;
}

/*

======================

        line

======================
*/

.time-line {
    display: block;
    position: fixed;
    bottom: 0;
    left: 50%;
    width: 30rem;
    height: 1rem;
    margin-bottom: 10rem;
    border-radius: 100rem;
    transform: translateX(-50%);
    background-color: #424242;
}

.time-line::before {
    content: '';
    position: absolute;
    inset: 0;
    z-index: 0;
    overflow: hidden;
    border-radius: 9999px;
    -webkit-box-shadow: inset 2px 2px 0px -2px rgba(255, 255, 255, 0.7), inset 0 0 3px 1px rgba(255, 255, 255, 0.7);
    box-shadow: inset 2px 2px 0px -2px rgba(255, 255, 255, 0.7), inset 0 0 3px 1px rgba(255, 255, 255, 0.7);
    background-color: rgba(15, 15, 15, 0.1);
    pointer-events: none;
}

.time-line::after {
    content: '';
    position: absolute;
    z-index: -1;
    inset: 0;
    border-radius: 9999px;
    -webkit-backdrop-filter: blur(0px);
    backdrop-filter: blur(0px);
    -webkit-filter: url(#btn-glass);
    filter: url(#btn-glass);
    overflow: hidden;
    isolation: isolate;
    pointer-events: none;
}

.time-line_fill {
    background-color: #34A853;
    width: 0;
    height: 100%;
    transition: width 0.1 linear;
    border-radius: 9999px;
}


/*

======================

        player

======================
*/


.player {
    display: block;
    position: fixed;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    margin-bottom: 13rem;
    display: flex;
    gap: 2rem;
    z-index: 100;
}

.player-items {
    width: 30rem;
    height: 8rem;
    backdrop-filter: blur(3px);
    border-radius: 100rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-left: 1rem;
    padding-right: 2rem;
}

.player-items::before {
    content: '';
    position: absolute;
    inset: 0;
    z-index: 0;
    overflow: hidden;
    border-radius: 9999px;
    -webkit-box-shadow: inset 2px 2px 0px -2px rgba(255, 255, 255, 0.7), inset 0 0 3px 1px rgba(255, 255, 255, 0.7);
    box-shadow: inset 2px 2px 0px -2px rgba(255, 255, 255, 0.7), inset 0 0 3px 1px rgba(255, 255, 255, 0.7);
    background-color: rgba(15, 15, 15, 0.1);
    pointer-events: none;
}

.player-items::after {
    content: '';
    position: absolute;
    z-index: -1;
    inset: 0;
    border-radius: 9999px;
    -webkit-backdrop-filter: blur(0px);
    backdrop-filter: blur(0px);
    -webkit-filter: url(#btn-glass);
    filter: url(#btn-glass);
    overflow: hidden;
    isolation: isolate;
    pointer-events: none;
}

.player-item {
    font-family: var(--font-regular);
}

.player-item-container {
    display: flex;
    align-items: center;
    gap: 3rem;
}

.player-item-img {
    display: block;
    width: 1.6rem;
    height: 1.6rem;
    cursor: pointer;
}

.prev-img {
    transform: rotate(180deg);
}

.play-img {

    width: 3rem;
    height: 3rem;
}

.player-select {
    display: block;
    width: 6rem;
    height: 6rem;
    border-radius: 100rem;
}

.player-item-title {
    font-size: 1.2rem;
    padding-right: 1rem;
    padding-left: .5rem;
    text-overflow: ellipsis;
    overflow: hidden;
    white-space: nowrap;
    width: 8.5rem;
}

.player-item-caption {
    font-size: 1rem;
    padding-right: 1rem;
    padding-left: .5rem;
    color: var(--gray-bg-color);
    text-overflow: ellipsis;
    overflow: hidden;
    white-space: nowrap;
    width: 8.5rem;
}

/*

======================

        header

======================

*/

.header {
    width: 80%;
    margin-top: 10rem;
    margin-left: auto;
    margin-right: auto;
}

.header-icon {
    width: 2rem;
    height: 2rem;
    transform: rotate(180deg);
    margin-bottom: 5rem;
}

.heder-section {
    width: 100%;
    background: linear-gradient(0deg,
            #111111 00%,
            #424242 100%);

    border-radius: 3rem;
    display: flex;
    align-items: center;
    flex-wrap: wrap;
}

.header_img {
    width: 100%;
    border-radius: 3rem;
}

.header-text {
    margin: 0 auto;
    margin-top: 5rem;
    text-align: center;
}

.header-title {
    font-size: 2.5rem;
}

.header-caption {
    color: #34A853;
    font-size: 1.4rem;
    margin-top: 2rem;
}

/*

======================

        main

======================

*/

.main-navar {
    width: 80%;
    margin-top: 10rem;
    margin-left: auto;
    margin-right: auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.main-navar-left {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.main-navar_img {
    display: block;
    width: 2rem;
    cursor: pointer;
}

.main-navar-right {
    display: flex;
    align-items: center;
}

.main-items {
    width: 80%;
    margin-top: 10rem;
    margin-left: auto;
    margin-right: auto;
    margin-bottom: 30rem;
}

.main-item {
    width: 100%;
    height: 8rem;
    background-color: #161616;
    border-radius: 2rem;
    padding: 2rem 3rem;
    font-family: var(--font-regular);
    display: flex;
    flex-direction: column;
    justify-content: center;
    margin-bottom: 2rem;
}

.main-item_audio {
    display: none;
}

.main-item_title {
    font-size: 1.4rem;
}

.main-item_section {
    font-size: 1.2rem;
    color: var(--gray-bg-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.main-item_caption {
    font-size: 1.2rem;
}

.main-item_duration {
    font-size: 1.2rem;
}

/*

=========================

        responsive

=========================

*/

@media (min-width: 380px) {}

@media (min-width: 520px) {}

@media (min-width: 576px) {}

@media (min-width: 768px) {
    .header_img {
        width: 30rem;
    }

    .header-text {
        margin-top: 0rem;
    }
}

@media (min-width: 992px) {}

@media (min-width: 1200px) {}

@media (min-width: 1400px) {}