// Base class
//
// Easily usable on <ul>, <ol>, or <div>.

.list-group {
    // scss-docs-start list-group-css-vars
    --#{$prefix}list-group-color: #{$list-group-color};
    --#{$prefix}list-group-bg: #{$list-group-bg};
    --#{$prefix}list-group-border-color: #{$list-group-border-color};
    --#{$prefix}list-group-border-width: #{$list-group-border-width};
    --#{$prefix}list-group-border-radius: #{$list-group-border-radius};
    --#{$prefix}list-group-item-padding-x: #{$list-group-item-padding-x};
    --#{$prefix}list-group-item-padding-y: #{$list-group-item-padding-y};
    --#{$prefix}list-group-action-color: #{$list-group-action-color};
    --#{$prefix}list-group-action-hover-color: #{$list-group-action-hover-color};
    --#{$prefix}list-group-action-hover-bg: #{$list-group-hover-bg};
    --#{$prefix}list-group-action-active-color: #{$list-group-action-active-color};
    --#{$prefix}list-group-action-active-bg: #{$list-group-action-active-bg};
    --#{$prefix}list-group-disabled-color: #{$list-group-disabled-color};
    --#{$prefix}list-group-disabled-bg: #{$list-group-disabled-bg};
    --#{$prefix}list-group-active-color: #{$list-group-active-color};
    --#{$prefix}list-group-active-bg: #{$list-group-active-bg};
    --#{$prefix}list-group-active-border-color: #{$list-group-active-border-color};
    // scss-docs-end list-group-css-vars

    display: flex;
    flex-direction: column;

    // No need to set list-style: none; since .list-group-item is block level
    padding-left: 0; // reset padding because ul and ol
    margin-bottom: 0;
    @include border-radius(var(--#{$prefix}list-group-border-radius));
}

.list-group-numbered {
    list-style-type: none;
    counter-reset: section;

    > .list-group-item::before {
        // Increments only this instance of the section counter
        content: counters(section, ".") ". ";
        counter-increment: section;
    }
}

// Interactive list items
//
// Use anchor or button elements instead of `li`s or `div`s to create interactive
// list items. Includes an extra `.active` modifier class for selected items.

.list-group-item-action {
    width: 100%; // For `<button>`s (anchors become 100% by default though)
    color: var(--#{$prefix}list-group-action-color);
    text-align: inherit; // For `<button>`s (anchors inherit)

    // Hover state
    &:hover,
    &:focus {
        z-index: 1; // Place hover/focus items above their siblings for proper border styling
        color: var(--#{$prefix}list-group-action-hover-color);
        text-decoration: none;
        background-color: var(--#{$prefix}list-group-action-hover-bg);
    }

    &:active {
        color: var(--#{$prefix}list-group-action-active-color);
        background-color: var(--#{$prefix}list-group-action-active-bg);
    }
}

// Individual list items
//
// Use on `li`s or `div`s within the `.list-group` parent.

.list-group-item {
    position: relative;
    display: block;
    padding: var(--#{$prefix}list-group-item-padding-y) var(--#{$prefix}list-group-item-padding-x);
    color: var(--#{$prefix}list-group-color);
    text-decoration: if($link-decoration == none, null, none);
    background-color: var(--#{$prefix}list-group-bg);
    border: var(--#{$prefix}list-group-border-width) solid var(--#{$prefix}list-group-border-color);

    &:first-child {
        @include border-top-radius(inherit);
    }

    &:last-child {
        @include border-bottom-radius(inherit);
    }

    &.disabled,
    &:disabled {
        color: var(--#{$prefix}list-group-disabled-color);
        pointer-events: none;
        background-color: var(--#{$prefix}list-group-disabled-bg);
    }

    // Include both here for `<a>`s and `<button>`s
    &.active {
        z-index: 2; // Place active items above their siblings for proper border styling
        color: var(--#{$prefix}list-group-active-color);
        background-color: var(--#{$prefix}list-group-active-bg);
        border-color: var(--#{$prefix}list-group-active-border-color);
    }

    // stylelint-disable-next-line scss/selector-no-redundant-nesting-selector
    & + .list-group-item {
        border-top-width: 0;

        &.active {
            margin-top: calc(-1 * var(--#{$prefix}list-group-border-width)); // stylelint-disable-line function-disallowed-list
            border-top-width: var(--#{$prefix}list-group-border-width);
        }
    }
}

// Horizontal
//
// Change the layout of list group items from vertical (default) to horizontal.

@each $breakpoint in map-keys($grid-breakpoints) {
    @include media-breakpoint-up($breakpoint) {
        $infix: breakpoint-infix($breakpoint, $grid-breakpoints);

        .list-group-horizontal#{$infix} {
            flex-direction: row;

            > .list-group-item {
                &:first-child:not(:last-child) {
                    @include border-bottom-start-radius(var(--#{$prefix}list-group-border-radius));
                    @include border-top-end-radius(0);
                }

                &:last-child:not(:first-child) {
                    @include border-top-end-radius(var(--#{$prefix}list-group-border-radius));
                    @include border-bottom-start-radius(0);
                }

                &.active {
                    margin-top: 0;
                }

                + .list-group-item {
                    border-top-width: var(--#{$prefix}list-group-border-width);
                    border-left-width: 0;

                    &.active {
                        margin-left: calc(-1 * var(--#{$prefix}list-group-border-width)); // stylelint-disable-line function-disallowed-list
                        border-left-width: var(--#{$prefix}list-group-border-width);
                    }
                }
            }
        }
    }
}


// Flush list items
//
// Remove borders and border-radius to keep list group items edge-to-edge. Most
// useful within other components (e.g., cards).

.list-group-flush {
    @include border-radius(0);

    > .list-group-item {
        border-width: 0 0 var(--#{$prefix}list-group-border-width);

        &:last-child {
            border-bottom-width: 0;
        }
    }
}

// scss-docs-start list-group-modifiers
// List group contextual variants
//
// Add modifier classes to change text and background color on individual items.
// Organizationally, this must come after the `:hover` states.

@each $state, $value in $theme-colors {
    $list-group-variant-bg: shift-color($value, $list-group-item-bg-scale);
    $list-group-variant-color: shift-color($value, $list-group-item-color-scale);
    @if (contrast-ratio($list-group-variant-bg, $list-group-variant-color) < $min-contrast-ratio) {
        $list-group-variant-color: mix($value, color-contrast($list-group-variant-bg), abs($list-group-item-color-scale));
    }
    @include list-group-item-variant($state, $list-group-variant-bg, $list-group-variant-color);
}

// scss-docs-end list-group-modifiers