.c-button::before{
    content: " ";
    display: block;
    position: absolute;
    top: -8px;
    bottom: -8px;
    left: -8px;
    right: -8px;

    border: 2px solid var(--deco-bleu-clair);

    border-radius: calc(12px + 3px);
    z-index: -1;

    transition: all 0.3s;
}
.c-button:hover::before{
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
    border-radius: 12px;
    
    border: 0 solid var(--deco-bleu-clair);
}
lyrics-app {
    --header-transition-duration: 0.45s;
    position: relative;
    isolation: isolate;
    display: block;
    width: 100%;
    height: 100%;
    padding: 12px calc(12px + 5%) 12px;
    box-sizing: border-box;

    overflow: hidden;
    border-radius: 20px;

    color: #fff;
    font-family: "Gilroy-Medium", sans-serif;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;

    box-shadow: 0 0 20px rgba(0, 0, 0, 0.1);
    border: #ffffff36 solid 5px;
}

lyrics-app::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 20%;
    background: linear-gradient(
        0deg,
        #00007C00 0%,
        #00007C 50%
    );
    z-index: 9;
    opacity: 0;
    transition: opacity 0.25s ease-in;

    pointer-events: none;
}

lyrics-app.sticky::before {
    opacity: 1;
    transition: opacity 0.25s ease-out;
}

lyrics-app::after {
    content: "";
    position: absolute;
    width: 100%;
    height: 25%;
    bottom: 0;
    left: 0;
    background: linear-gradient(
        180deg,
        #00007C00 0%,
        #00007C 50%
    );
    z-index: 100;
    pointer-events: none;
}

lyrics-app .c-player {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    bottom: 0;
    width: 75%;
    padding: 0 12px;
    z-index: 500;
}

lyrics-app.scrolled .c-header.sticky {
    opacity: 1;
    transform: translateY(0);
}

lyrics-app.scrolled::before {
    opacity: 1;
    transition: opacity 0.25s ease-in;
}

.c-app__bar {

    position: absolute;
    bottom: 10px;
    left: 50%;
    transform: translateX(-50%);
    border-radius: 12px;
    width: 30%;
    max-width: 150px;
    height: 3px;
    background-color: #fff;
    z-index: 10;
}

.c-app__bg {
    --blur-size: calc(25px + 1vw);

    position: absolute;
    inset: calc(-1 * var(--blur-size));

    background-color: #00007CEE;

    z-index: -1;
}

.c-app__bg img {
    filter: blur(var(--blur-size));
    opacity: 0.2;
}

lyrics-app.sticky .c-app__bg {
    --blur-size: calc(35px + 1vw);
    opacity: 0.3;
    transition: all 0.5s ease-out;
}

.c-app__img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.c-content {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;

    width: 100%;
    height: 100%;
    padding-bottom: 20vh;
    box-sizing: border-box;
    overflow-y: scroll;
    scrollbar-width: none;

    scroll-behavior: smooth;
}

.c-header {
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 24px;
    margin-top: 7.5vh;

    max-width: 440px;
    box-sizing: border-box;
    pointer-events: none;
    z-index: 5;
}

.c-header__icon {
    width: 100%;
    max-width: 250px;
    aspect-ratio: 1/1;

    overflow: hidden;
    border-radius: 12%;
    pointer-events: all;
}

@media screen and (max-width: 768px) {
    .c-header__icon {
        max-width: 200px;
    }
}

.c-header__img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    pointer-events: all;
}

.c-header__text {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 6px;

    width: 100%;
    pointer-events: all;
}

.c-header__title {
    font-size: clamp(18px, 4vw, 24px);
    line-height: 120%;
    
    margin: 0;
    width: fit-content;
    text-align: center;
}

.c-header__subtitle {
    font-size: clamp(14px, 3vw, 18px);
    width: fit-content;
    margin: 0;
}

.c-header__function {
    font-size: 14px;
    opacity: .5;
    text-align: center;
    margin: 0;
    margin-bottom: 2em;
}


.c-top-bar {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    padding: 24px;
    box-sizing: border-box;

    display: flex;
    flex-direction: row;
    justify-content: space-between;
    align-items: center;

    width: 100%;
}

.c-header.sticky {
    width: 100%;
    flex-direction: row;
    max-width: 720px;
    margin-top: 0;

    z-index: 999;
    opacity: 0;
    transform: translateY(-100%);
    transition: opacity 0.3s ease-in-out, transform 0.3s ease-in-out;
}

@media screen and (max-width: 768px) {
    .c-header.sticky {
        opacity: 0 !important;
        height: 0;
    }
}

.c-header.sticky .c-header__icon {
    max-width: 75px;
}

.c-header.sticky .c-header__text {
    align-items: flex-start;
}

.c-header.sticky .c-header__title {
    font-size: calc(16/16*1rem);
    text-align: left;
    max-width: 70%;
}


.c-header.sticky .c-header__subtitle {
    font-size: calc(14/16*1rem);
    text-align: left;
}

.c-lyrics {
    position: relative;
    text-align: center;
    transition: all var(--header-transition-duration) ease-in-out;

    display: flex;
    flex-direction: column;

    gap: 12px;
}

.c-lyrics__line {
    position: relative;
    margin: 0;

    font-size: 1.4rem;
    text-align: left;
    cursor: pointer;
    opacity: 0.5;
    transition: all var(--header-transition-duration) ease-in-out;
}


@media screen and (max-width: 768px) {
    .c-lyrics__line {
        font-size: 1.2rem;
    }
}


.c-lyrics__line.highlighted {
    opacity: 1;
    margin-bottom: .5em;
}

.c-past-lyrics {
    opacity: 1;
}

.c-reset-button {
    position: absolute;
   
    opacity: 0;
    pointer-events: none;
    
    bottom: 100px;
    left: 50%;
    transform: translate3d(-50%, 24px, 0);
    border: none;
    outline: none;
    background-color: rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    padding: 12px;
    box-sizing: border-box;

    backdrop-filter: blur(4px);

    width: 50px;
    height: 50px;
    cursor: pointer;
    z-index: 9999;

    transition: opacity 0.25s ease-in-out, transform 0.25s ease-in-out, background-color 0.25s ease-in-out;
}

.c-reset-button:hover {
    background-color: rgba(255, 255, 255, 0.5);
}

.c-reset-button:hover svg {
    transform: translateY(-2px);
}

.c-reset-button svg {
    width: 100%;
    height: 100%;
    transition: transform 0.25s ease-in-out;
}

.c-reset-button.active {
    opacity: 1;
    transform: translate3d(-50%, 0, 0);
    pointer-events: all;
}    

.c-download-button{
    transition: all var(--header-transition-duration) ease-in;
    border: none;
    outline: none;
    background-color: rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    padding: 12px;
    aspect-ratio: 1;
    box-sizing: border-box;

    backdrop-filter: blur(4px);

    width: 50px;
    height: 50px;
    cursor: pointer;
    z-index: 9999;

    transition: opacity 0.25s ease-in-out, right var(--header-transition-duration) ease-out, transform var(--header-transition-duration) ease-out, background-color 0.25s ease-in-out;
}

.c-download-button:hover {
    background-color: rgba(255, 255, 255, 0.5);
}

.c-download-button:hover svg {
    transform: translateY(-2px);
}

.c-download-button svg {
    width: 100%;
    height: 100%;
    transition: transform 0.25s ease-in-out;
}
.c-player {
    display: flex;
    justify-content: center;
    gap: 18px;

    z-index: 10;
    
    width: 100%;
    max-width: 400px;
    margin: 0 auto;
    margin-bottom: 36px;
}

.c-player video{
    position: absolute;
    pointer-events: none;
}

.c-player__play{
    width: 60px;
    aspect-ratio: 1;

    display: flex;
    justify-content: center;
    align-items: center;
    padding: 0;
    border: none;
    outline: none;
    background-color: transparent;

    cursor: pointer;
    transition: transform 0.25s ease-in-out;
}

.c-player__play:hover{
    transform: scale(1.05);
}

.c-player__play img{
    width: 100%;
    height: 100%;
    pointer-events: none;
    transition: transform 0.25s ease-in-out;
}

.c-player__wave{
    position: relative;
    cursor: pointer;
    width: 100%;
}

.c-player__wave-svg{
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0.3;

}

.c-player__wave-svg--clipped{
    opacity: 1;
    clip-path: inset(0 100% 0 0);
}

.c-player__wave-svg--hover{
    clip-path: inset(0 100% 0 0);
}
html,
body {
    overflow-x: hidden;
}

.c-loading-screen {
    position: fixed;
    inset: 0;
    z-index: 999999999;

    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;

    background-color: #00007C;
    background-image: linear-gradient(90deg, var(--bleu-profond), #0050ff54 50%, var(--bleu-profond));
}

.c-loading-screen p {
    color: #fff;
    font-size: 1.25rem;
    text-align: center;
    padding: 0 12px;
    text-wrap: balance;
}

.c-loading__images {
    position: relative;
    width: 80%;;
    max-width: 750px;
    max-height: 50%;
    aspect-ratio: 16/9;
    margin: 10%;
    padding: 10%;
    box-sizing: border-box;

    animation: scale 7s cubic-bezier(0.06, 0.64, 0.28, 1);
}

@keyframes scale {
    0% {
        transform: scale(.5);
    }

    100% {
        transform: scale(1);
    }
}

.c-loading__img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.c-loading__footer{
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 30px;
}
.c-loading__button {
    z-index: 999999;
    pointer-events: none;
    opacity: 0;
    scale: 0;
    transform-origin: center center;
    transition: all .8s;
    background-color: var(--bleu-profond);
}

.c-loading__button.visble {
    opacity: 1;
    pointer-events: all;
    cursor: pointer;
    scale: 1;
}