#offline-game-content {
    --baloon-r: 40px;

    --screen-bg-day: #c5f0fa;
    --text-color-day: darkblue;
    --text-bg-day: rgb(170, 170, 200);

    --screen-bg-night: #110b6a;
    --text-color-night: rgb(214, 214, 226);
    --text-bg-night: rgb(30, 30, 94);

    width: 100%;
    height: 100%;
    overflow: hidden;
    margin: 0;
    padding: 0;
    top: 0;
    display: grid;
    grid-template-columns: 1fr;
    grid-template-rows: auto 1fr;
    gap: 0;
    background-color: var(--bg-color);
    position: relative;
}
    #offline-game-content.day {
        --text-color: var(--text-color-day);
        --bg-color: var(--screen-bg-day);
        --text-bg: var(--text-bg-day);
    }

        #offline-game-content.day :is(#moon, .star) {
            opacity: 0;
        }

    #offline-game-content.night {
        --text-color: var(--text-color-night);
        --bg-color: var(--screen-bg-night);
        --text-bg: var(--text-bg-night);
    }

        #offline-game-content.night #sun {
            opacity: 0;
        }

#game {
    border-top: 1px solid var(--text-color);
    width: 100%;
    height: 90vh;
    overflow: hidden;
    position: relative;
    margin: 0;
    padding: 0;
}


@media screen and (max-width: 640px) {
    #game {
        --baloon-r: 8vw;
    }
}

#sun {
    position: absolute;
    z-index: 25;
    left: 10vw;
    aspect-ratio: 1;
    top: 8vh;
    width: auto;
    max-width: 150px;
    opacity: 1;
    transition: opacity 1s ease-in-out;
}

.cloud {
    position: absolute;
    z-index: 35;
    width: auto;
    max-width: 100px;
    opacity: .9;
    animation: animate-clouds 80s linear alternate-reverse infinite;
}

@keyframes animate-clouds {
    from { transform: translateX(0); }
    to { transform: translateX(150vw); }
}

@-webkit-keyframes animate-clouds {
    from { transform: translateX(0); }
    to { transform: translateX(150vw); }
}


#moon, .star {
    position: absolute;
    aspect-ratio: 1;
    width: auto;
    opacity: 1;
    transition: opacity 1s ease-in-out;
}

#moon {
    right: 10vw;
    top: 19vh;
    max-width: 120px;
    z-index: 30;
}

.star {
    max-width: 10px;
    z-index: 20;
}

.errors {
    width: 100%;
    height: 1em;
    margin: 0;
    padding: 0;
    display: grid;
    grid-template-rows: 1fr;
    grid-template-columns: repeat(10, 1fr);
}

    .errors > div {
        height: 100%;
        max-height: 1em;
        width: 100%;
        display: flex;
        justify-content: center;
        align-items: center;
    }

        .errors > div > :is(img, svg) {
            height: 100%;
            max-height: 1em;
            aspect-ratio: 1;
        }

#restart-button {
    position: absolute;
    width: 80%;
    height: auto;
    aspect-ratio: 1;
    bottom: 2%;
    left: 10%;
    border-radius: 6vw;
    font-size: xx-large;
    color: var(--text-color);
    background-color: var(--text-bg);
    border: none;
    cursor: pointer;
    z-index: 1000;
    display: none;
}

    #restart-button > svg {
        width: 6em;
        max-width: 80%;
        aspect-ratio: 1;
        display: inline-block;
    }

        #restart-button > svg path {
            stroke: var(--text-color);
        }

.counter {
    width: 100%;
    height: 1.5em;
    margin: 0;
    padding: 0;
    padding-bottom: .5em;
    text-align: center;
    color: var(--text-color);
    font-weight: bold;
}

.baloon {
    position: absolute;
    display: grid;
    grid-template-columns: 1fr;
    width: calc(2 * var(--baloon-r) + 4px);
    z-index: 50;
}

    .baloon > .circle {
        cursor: crosshair;
        width: calc(2 * var(--baloon-r));
        height: calc(2 * var(--baloon-r));
        border-radius: var(--baloon-r);
        border: 2px solid;
        overflow: hidden;
        padding: 0;
        margin: 0;
        position: relative;
        box-sizing: border-box;
    }

        .baloon > .circle > img {
            padding: 0;
            margin: 0;
            position: absolute;
            --dist: 2;
            --img-w: calc(var(--baloon-r) * var(--dist));
            width: var(--img-w);
            height: var(--img-w);
            left: calc(var(--baloon-r) - var(--img-w) / 2);
            top: calc(var(--baloon-r) - var(--img-w) / 2);
        }

    .baloon > .line {
        width: 1px;
        background-color: var(--text-color);
        height: calc(var(--baloon-r) / 2);
        margin: 0 auto 0 auto;
    }

    .baloon > .line.longer {
        height: calc(var(--baloon-r) * 1.1);
    }

    .baloon > span {
        width: calc(2 * var(--baloon-r));
        text-align: center;
        font-size: x-small;
        word-break: normal;
        word-wrap: normal;
        color: var(--text-color);
        background-color: var(--text-bg);
        overflow: hidden;
        text-overflow: ellipsis;
    }

        .baloon > span:empty {
            display: none;
        }

    .baloon.falling > .circle {
        transform: scaleX(.45);
        transition: transform .2s ease-in;
    }