:root {
    --ubol-overlay-fill: rgba(255,255,255,0.2);
    --ubol-overlay-border: #FFF;
    --ubol-overlay-canvas: rgba(128,128,128,0.3);
}
:root.dark aside {
    color-scheme: dark;
}

:root,
:root > body {
    background: transparent;
    height: 100vh;
        height: 100svh;
    margin: 0;
    overflow: hidden;
    width: 100vw;
}
:root > body.loading {
    visibility: hidden;
}

:root :focus {
    outline: none;
}

svg#overlay {
    cursor: crosshair;
    box-sizing: border-box;
    height: 100%;
    left: 0;
    position: absolute;
    top: 0;
    width: 100%;
}
svg#overlay > path:first-child {
    fill: var(--ubol-overlay-canvas);
    fill-rule: evenodd;
}
svg#overlay > path + path {
    stroke: var(--ubol-overlay-border);
    stroke-width: 1.5px;
    fill: var(--ubol-overlay-fill);
}

:root aside {
    box-sizing: border-box;
    cursor: default;
    display: flex;
    flex-direction: column;
    position: fixed;
    z-index: 100;
}
:root body[dir="rtl"] aside {
    left: 2px;
    right: unset;
}

:root.minimized aside > section:not(#windowbar) {
    display: none !important;
}
:root.minimized aside {
    min-width: min(12em, 100vw - 4px);
    width: min(12em, 100vw - 4px);
}

:root aside #windowbar {
    border-bottom: 1px solid var(--border-1);
    display: flex;
}
:root aside #windowbar > div {
    fill: none;
    height: 2em;
    stroke: var(--ink-1);
    stroke-width: 2px;
    width: 2em;
}
:root.minimized aside #windowbar > div {
    height: 3em;
    width: 3em;
}
:root.minimized aside #windowbar > #minimize svg > path,
#windowbar #minimize svg > rect {
    display: none;
}
:root.minimized aside #windowbar > #minimize svg > rect {
    display: initial;
}
:root #windowbar > #move {
    align-items: center;
    background-image: url('data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAYAAAAECAYAAACtBE5DAAAAFElEQVQI12NgwAfKy8v/M5ANYLoBshgEyQo6H9UAAAAASUVORK5CYII=');
    cursor: grab;
    display: flex;
    justify-content: center;
    flex-grow: 1;
}
:root #windowbar > div:hover {
    background-color: var(--surface-2)
}