html {
    scroll-behavior: smooth;
}
:root {
    --opaciter: 1.0;
    --cover-color: rgba(0, 0, 0, .5);
    --cover-box-color: white;
    
    --border-box-color: rgb(254, 170, 110);
    --background-titre-color : rgb(254, 170, 110);
    --color-titre : white;
    
    --backgound-button-color : white;
    --border-button-color: rgb(254, 170, 110);
    --color-button: rgb(254, 170, 110);
    
    --backgound-button-color-hover : rgb(254, 170, 110);
    --border-button-color-hover: rgb(254, 170, 110);
    --color-button-hover: white;
    
    --color-border-tournesole : rgb(254, 170, 110);
}
* {
    margin: 0;
    padding: 0;
    list-style: none;
    text-decoration: none;
}

@keyframes anim-show {
    0% {
        opacity: 0.0;
        width: 2px;
        height: 2px;
        --opaciter: 0.0;
    }

    50% {
        width: 100px;
        height: 50px;
        --opaciter: 0.0;
    }

    75% {
        width: 200px;
        height: 100px;
        --opaciter: 0.0;
    }

    100% {
        opacity: 1;
        width: 300px;
        height: 150px;
        --opaciter: 0.0;
    }
}

@keyframes anim-hidden {
    0% {
        opacity: 1;
        width: 300px;
        height: 150px;
        --opaciter: 0.0;
    }

    50% {
        width: 200px;
        height: 100px;
        --opaciter: 0.0;
    }

    75% {
        width: 100px;
        height: 50px;
        --opaciter: 0.0;
    }

    100% {
        opacity: 0.0;
        width: 2px;
        height: 2px;
        --opaciter: 0.0;
    }
}

.bg-alert {

    background-color: var(--cover-color);
    backdrop-filter: blur(2px);
    --webkit-backdrop-filter: blur(2px);
    position: fixed;
    justify-items: center;
    width: 100%;
    height: 160%;
    display: none;
    z-index: 9999;
}

.box-msg {

    background-color: var(--cover-box-color);
    border: 1px solid var(--border-box-color);
    filter: drop-shadow(0 0 5px var(--border-box-color));
    width: 350px;
    height: 200px;
    border-radius: 10px;
    position: relative;
}

.show {
    animation: anim-show .3s linear;
}

.hidden {
    animation: anim-hidden .3s linear;
    opacity: 0.0;
}

.msg-titre {

    opacity: var(--opaciter);
    border: 1px solid var(--blancko);
    background-color: var(--background-titre-color);
    height: 140px;
    width: 352px;
    border-top-right-radius: 10px;
    border-top-left-radius: 10px;
    position: relative;
    top: -20px;
    right: 2px;
}
.alerte-footer{
    position: relative;
    top: -20px;
    height: 80px;
}
.titre-message {
    color: var(--color-titre);
    font-size: 18px;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    /* border-top-left-radius: 10px; */
    padding-inline-start: 1em;
    padding-block-start: 2em;
    /* margin-block-end: 0px; */
    margin-block-start: 0px;
    width: 330px;
    height: 30px;
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
    display: flex;
    justify-content: flex-start;
    align-items: flex-end;
}

.messages {
    color: var(--color-titre);
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    margin-block-start: 0px;
    padding-inline-start: 2em;
    width: 300px;
    height: 70px;
    overflow: auto;
    text-overflow: ellipsis;
}

.msg-button {
    background-color: var(--backgound-button-color);
    border: 1px solid var(--border-button-color);
    color: var(--color-button);
    opacity: var(--opaciter);
    position: absolute;
    right: 10px;
    bottom: 10px;
    font-size: 16px;
    padding: 5px 60px;
    /* padding-left: 60px; */
    border-radius: 5px;
    width: 50px;
    justify-content: center;
    align-items: center;
}
@keyframes anim-rotation-alert-iconne {
    0%{
        rotate: 40deg;
    }
    100%{
        rotate: 0deg;
    }
}
.alert-iconne{
    width: 75px;
    height: 75px;
    border-radius: 70px;
    position: absolute;
    top: 2px;
    left: 35px;
    rotate: 0deg;
    animation: anim-rotation-alert-iconne .7s linear;
    z-index: 5;
}
.msg-button:hover {
    background-color: var(--backgound-button-color-hover);
    border-inline: 1px solid var(--border-button-color-hover);
    color: var(--color-button-hover);
    transition: .2s;
}

/* --- chargement --- */
@keyframes anim-interface-chargement {
    0% {
        opacity: 0.0;
    }

    100% {
        opacity: 1.0;
    }
}

@keyframes anim-tournesole {
    0% {
        transform: rotate(0deg);
    }

    100% {
        transform: rotate(360deg);
    }
}

.bg-alert-ch {
    background-color: var(--cover-color);
    backdrop-filter: blur(2px);
    --webkit-backdrop-filter: blur(2px);
    position: fixed;
    width: 100%;
    height: 160%;
    display: none;
    z-index: 9999;
    animation: anim-interface-chargement 0.5s linear;
}

.box-msg-ch {
    height: 200px;
    width: 350px;
    margin: 50px auto;
    background-color: var(--cover-box-color);
    border-radius: 5px;
    filter: drop-shadow(0 0 5px var(--border-box-color));
    border: 1px solid var(--cover-box-color);
    color: var(--color-titre);
}

.tournesole {
    width: 40px;
    height: 40px;
    border: 5px solid transparent;
    border-bottom-color: var(--color-border-tournesole);
    border-left-color: var(--color-border-tournesole);
    border-top-color: var(--color-border-tournesole);
    border-radius: 100px;
    margin-top: 20px;
    animation: anim-tournesole 0.5s linear infinite;
    position: absolute;
    bottom: 5px;
    left: 20px;
}