/**
 * Tour step must sit above all other UI components.
 * The backdrop is the lowest point in the tour.
 * Everything else is in the container, and the target background should be at the same z-index.
 * ----- moodle
 *  ---- step backdrop
 *   --- step container
 *   --- step target background
 */
$flexitour-base-zindex: 1040;

// The backdrop is the backdrop used in 'modal' step display.
div[data-flexitour="backdrop"] {
    background-color: #{$modal-backdrop-bg};
    opacity: #{$modal-backdrop-opacity};

    // The backdrop needs to have a lower z-index than everything else in the tour, but higher than everything else in Moodle.
    z-index: #{$flexitour-base-zindex};
}

// The step-background is used to highlight the region targetted in the step.
div[data-flexitour="step-background-fader"],
div[data-flexitour="step-background"] {
    @include border-radius($border-radius-lg);

    // The step container, and the target background should be at the same z-index.
    z-index: ($flexitour-base-zindex + 1);
}

span[data-flexitour="container"],
div[data-flexitour="step-background-fader"],
[data-flexitour="step-backdrop"] > td,
[data-flexitour="step-backdrop"] {
    // The step container, and the target background should be at the same z-index.
    z-index: ($flexitour-base-zindex + 2);
}

span[data-flexitour="container"] {
    .modal-dialog {
        /**
         * Remove all margins to:
         * 1) ensure that the arrow touches the target; and
         * 2) ensure that the focus border touches the modal.
         */
        margin: 0;
    }

    div[data-role="arrow"] {
        border-width: #{$popover-arrow-outer-width};
    }

    div[data-role="arrow"],
    div[data-role="arrow"]:after {
        position: absolute;
        display: block;
        width: 0;
        height: 0;
        border-color: transparent;
        border-style: solid;
        border-width: #{$popover-arrow-width};
    }

    // We need to know the opposite sides for arrow placement.
    $opposites:
        (
            top: bottom,
            bottom: top,
            left: right,
            right: left,
        );

    // These are the next leading side and allow for placement half-way along the step dialogue.
    $sides:
        (
            top: left,
            bottom: left,
            left: top,
            right: top,
        );

    @each $direction in map-keys($opposites) {
        $opposite: map_get($opposites, $direction);
        $side: map_get($sides, $direction);
        $oppositeside: map_get($opposites, $side);

        &[x-placement="#{$direction}"],
        &[x-placement="#{$direction}-start"] {
            margin-#{$opposite}: #{$popover-arrow-width};
            div[data-role="arrow"] {
                #{$opposite}: -#{$popover-arrow-outer-width};
                #{$side}: 50%;
                margin-#{$side}: -#{$popover-arrow-outer-width};
                border-#{$opposite}-width: 0;
                border-#{$direction}-color: #{$popover-arrow-outer-color};
            }
            div[data-role="arrow"]:after {
                #{$opposite}: 1px;
                margin-#{$side}: -#{$popover-arrow-width};
                content: " ";
                border-#{$opposite}-width: 0;
                border-#{$direction}-color: #{$popover-arrow-color};
            }
        }
    }
}

// Hack the bone! Hack the bone!
[data-region="drawer"] [data-flexitour="container"] {
    /*rtl:ignore*/
    margin-left: -15px;
    width: $drawer-width - 10px;
}