style.css

*, *::after, *::before{
    box-sizing: border-box;
    font-family: Arial, Helvetica, sans-serif;

}

body{
    background-color: hsl(240, 3%, 7%);
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    margin: 0;
    padding: 0em;
    font-size: clamp(.5rem, 2.5vmin, 1.5rem);
}
.keyboard{
    display: grid;
    grid-template-columns: repeat(20, minmax(auto, 1.25em));
    grid-auto-rows: 3em;
    gap: .25em;
    justify-content: center;
}
.key{
    font-size: inherit;
    grid-column: span 2; 
    /* background-color: hsl(
        var(--hue, 200),
        var(--saturation, 1%),
        calc(var(--lightness-offset, 0%)+var(--lightness, 51%))
        ); */
        background-color: grey;
    color: #FFF;
    fill: #FFF;
    text-transform: uppercase;
    border-radius: .25em;
    cursor: pointer;
    user-select: none;
}

.key.large{
    grid-column: span 3;
}
.key > svg{
    width: 1.75em;
    height: 1.75em;
}
.key:hover, .key:focus{
     /* --lightness-offset: 10%; */
     opacity: 75%;
}
.key.wrong{
    /* --lightness: 23%; */
    opacity: 50%;
}
.key.wrong-location{
    /* --hue: 49;
    --saturation: 51%;
    --lightness: 47%; */
    background-color: hsl(49, 51%, 47%);
}
.key.correct{
    /* --hue: 115;
    --saturation: 29%;
    --lightness: 43%; */
    background-color: hsl(115, 29%, 43%);
}

.guess-grid{
    display: grid;
    justify-content: center;
    align-content: center;
    flex-grow: 1;
    grid-template-columns: repeat(5, 4em);;
    grid-template-rows: repeat(6, 4em);
    gap: .25em;
    margin-bottom: 1em;
}
.tile{
    
    color: #FFF;
    border: 0.05em solid hsl(240, 2%, 23%);
    text-transform: capitalize;
    font-size: bold;
    display: flex; 
    align-items: center;
    justify-content: center;
    user-select: none;
    transition: transform 250ms linear;
}

.tile[data-state = 'active']{
    background-color: hsl(200, 1%, 34%);
}
.tile[data-state = 'wrong']{
    border: none;
    background-color: hsl(240, 2%, 23%);
}
.tile[data-state = 'wrong-location']{
    border: none;
    background-color: hsl(49, 51%, 47%);
}
.tile[data-state = 'correct']{
    border: none;
    background-color: hsl(115, 29%, 43%);
}
.tile.shake{
    animation: shake 250ms ease-in-out;
}
.tile.dance{
    animation: dance 250ms ease-in-out;
}
.tile.flip{
    transform: rotateX(90deg);
}
@keyframes dance {
    20%{
        transform: translateY(-50%);
    }
    40%{
        transform: translateY(5%);
    }
    60%{
        transform: translateY(-25%);
    }
    80%{
        transform: translateY(2.5%);
    }
    90%{
        transform: translateY(-5%);
    }
    100%{
        transform: translateY(0);
    }
}
@keyframes shake{
    10%{
        transform: translateX(-5%);
    }
    30%{
        transform: translateX(-7.5%);
    }
    50%{
        transform: translateX(7.5%);
    }
    90%{
        transform: translateX(-5%);
    }
    100%{
        transform: translateX(0%);
    }
}

.alert-container{
    position: fixed;
    top: 10vh;
    left: 50vw;
    transform: translateX(-50%);
    z-index: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
}
.alert{
    pointer-events: none;
    background-color: hsl(204, 7%, 85%);
    padding: .75em;
    border-radius: .25em;
    opacity: 1;
    transition: opacity 500ms ease-in-out;
}
.alert.hide{
    opacity: 0; 
}
.alert:last-child{
    margin-bottom: 0;
}