html, body {
    font-family: Arial, Helvetica, sans-serif;
    width: 100vw;
    height: 100vh;
    overflow: hidden;
}
body {
    background-color: var(--bg);
    accent-color: var(--acc);

    transition:
        background-color .25s ease-out,
        accent-color .25s ease-out;
}
body a[href] {
    transition: color .25s ease-out;
}

/* themes */
body.dark {
    --bg: #080010;
    --fg: #fff;
    --acc: #00ff80; /* accent color */
    color: #fff;
}
body, body.light {
    --bg: #eee;
    --fg: #000;
    --acc: #ff0080; /* accent color */
    color: #000;
}
body.light a[href] {
    color: #22f;
}
body.light a[href]:visited {
    color: #4828ff;
}
body.dark a[href] {
    color: #aaf;
}
body.dark a[href]:visited {
    color: #c8f;
}


.top-bar {
    background-color: #fff2;
    backdrop-filter: blur(8px);

    position: fixed;
    top: 0;
    left: 0;

    width: 100%;
    height: 64px;

    display: flex;
    justify-content: center;
    align-items: center;
    gap: 15px;
    font-size: 18px;

    border-bottom: solid 2px var(--fg);

    z-index: calc(infinity);
}

.content {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
}
.content span {
    width: 100%;
    max-height: calc(100% - 64px);
    height: fit-content;
    position: fixed;
    top: 64px;
    left: 0;
    opacity: 0%;
    pointer-events: none;
    transition: opacity .25s ease,
    transform .65s ease-in;
    text-align: center;
    overflow: scroll;
}
.content span:not(.active) {
    transform: translateY(-20%);
}
.content span:not(.active).reduce-movement {
    transform: translateY(-5%);
}
.content span.active {
    width: 100%;
    max-height: calc(100% - 64px);
    height: fit-content;
    position: fixed;
    transform: translateY(0%);
    top: 64px;
    left: 0;
    opacity: 100%;
    pointer-events: auto;
    transition:
        opacity .25s ease,
        transform .5s ease;
    text-align: center;
    overflow: scroll;
}

.logo {
    height: 24px;
    position: fixed;
    left: 0;
    padding: 12px;
}