@import (reference) './imports/global';
@import (reference) './imports/mixins/focus';

/*! AUI Navigation */

/* Nav defaults - put very little here!
-------------------- */
.aui-nav,
.aui-nav > li {
    list-style: none;
    margin: 0;
    padding: 0;
}

/* Horizontal, breadcrumbs and pagination are all horizontal */
.aui-nav-breadcrumbs:after,
.aui-nav-pagination:after,
.aui-nav-horizontal:after,
.aui-navgroup-horizontal .aui-nav:after,
.aui-navgroup-horizontal .aui-navgroup-inner:after {
    clear: both;
    content: " ";
    display: table;
}
.aui-nav-breadcrumbs > li,
.aui-nav-pagination > li {
    float: left;
    & > a:focus {
        #aui.with-focus-ring();
        border-radius: 2px;
    }
}

/* Navigation headings
-------------------- */
.aui-nav-heading {
    #aui.typography.h100(@aui-nav-heading-text-color);
    line-height: unit(20 / @aui-nav-heading-text-font-size);
    padding: 0 @aui-nav-link-spacing-horizontal; // to match the nav-item layout.

    & > strong {
        font-size: inherit;
        font-weight: inherit;
        line-height: inherit;
    }
}

/* Breadcrumb navigation
-------------------- */
.aui-nav-breadcrumbs > li {
    padding: 0 @aui-grid 0 0;
}

.aui-nav-breadcrumbs > li + li:before {
    color: var(--aui-border-strong);
    content: "/";
    padding-right: @aui-grid;
}

/* Pagination
-------------------- */
.aui-nav-pagination {
    margin: @aui-grid 0 0 0;
}
.aui-nav-pagination > li {
    padding: 0;
}
/* Need padding on the A elements for big click areas.
   Set equal left/right to help align the inline dialog on truncation. */
.aui-nav-pagination > li > a {
    padding: @aui-grid @aui-grid 0 @aui-grid;
}
/* Don't set top/bottom as that throws non-linked items out of whack. */
.aui-nav-pagination > li.aui-nav-selected,
.aui-nav-pagination > li.aui-nav-truncation {
    padding-left: @aui-grid;
    padding-right: @aui-grid;
}
.aui-nav-pagination .aui-nav-truncation > a {
    padding-left: 0;
    padding-right: 0;
}
/* Remove whitespace from first and last child */
.aui-nav-pagination > li:first-child > a,
.aui-nav-pagination > li.aui-nav-truncation:first-child,
.aui-nav-pagination > li.aui-nav-selected:first-child {
    padding-left: 0;
}
.aui-nav-pagination > li:last-child > a,
.aui-nav-pagination > li.aui-nav-truncation:last-child,
.aui-nav-pagination > li.aui-nav-selected:last-child {
    padding-right: 0;
}

.aui-nav-pagination a[aria-disabled="true"],
.aui-nav-pagination a[aria-disabled="true"]:link,
.aui-nav-pagination a[aria-disabled="true"]:visited,
.aui-nav-pagination a[aria-disabled="true"]:focus,
.aui-nav-pagination a[aria-disabled="true"]:hover,
.aui-nav-pagination a[aria-disabled="true"]:active {
    color: @aui-nav-pagination-active-text-color;
    text-decoration: none;
}

.aui-nav-pagination > li.aui-nav-selected {
    color: @aui-nav-pagination-text-color;
    font-weight: @aui-font-weight-semibold;
}

/* Vertical Navigation
-------------------- */

/** by AUI-5164:
 * The following CSS has been adjusted to allow generic content as a direct ancestor of the nav list
 * basic styling (default and active state) is applied to the list element itself
 * interactive styling (hover, active, focus) is applied to the assumed interactive element (<a>)
 * thanks to this - we can fill in the nav list with non-interactive elements without generating visual glitches.
 */
.aui-navgroup-vertical .aui-nav > li,
.aui-nav-vertical > li {
    #aui-nav.item-base();
    overflow-wrap: break-word;
    #aui-nav.item-style(normal, true);

    & > a {
        #aui-nav.item-base();
        #aui-nav.item-base-inner-link();
        #aui-nav.item-style(normal);

        &:hover {
            #aui-nav.item-style(hover);
        }

        &:active {
            #aui-nav.item-style(active);
        }

        &:focus {
            #aui.with-focus-ring();
            text-decoration: none;
        }
    }
}

.aui-navgroup-vertical .aui-nav .aui-nav-selected,
.aui-nav-vertical .aui-nav .aui-nav-selected {
    #aui-nav.item-style(selected);
}

.aui-navgroup-vertical .aui-nav,
.aui-navgroup-vertical .aui-nav-heading {
    margin: 0;
}

.aui-navgroup-vertical .aui-nav + .aui-nav {
    // If a sequential group does not have a heading, add a divider between them.
    margin-top: @aui-grid;
    padding-top: @aui-grid;
    border-top: 1px solid @aui-nav-group-divider-color;
}

.aui-navgroup-vertical .aui-nav + .aui-nav-heading {
    // If a sequential group *does* have a heading, don't add a divider, but space it out a little bit more.
    margin-top: @aui-grid * 2;
}

.aui-navgroup-vertical .aui-nav:first-child,
.aui-navgroup-vertical .aui-navgroup-inner > .aui-nav-heading:first-child,
.aui-navgroup-vertical .aui-navgroup-primary > .aui-nav-heading:first-child {
    margin-top: 0;
    padding-top: 0;
}

/* nested vertical navigation menus
----------------------------------- */
.aui-navgroup-vertical .aui-nav {

    // the sub-menu styles
    .aui-nav {
        margin-top: 0;
        padding: 0 0 0 @aui-nav-subtree-toggle-icon-size;

        > li {
            position: relative;
        }
    }

    // the twixi and submenu expansion/collapsing styles
    > li[aria-expanded] {
        position: relative;

        .aui-nav-heading {
            padding-left: 0;
        }

        .aui-nav-subtree-toggle {
            // All of these calculations exist because of two problems with the markup pattern:
            // (1) the subtree toggle sits outside and to the left of the aui-nav-item
            // (2) the nested list sits inside the <li> adjacent to the sutree toggle and nav item.
            // these both mean that using flexbox is... inadvisable.
            @box-size: (@aui-nav-link-effective-height); // note: it is assumed, but not guaranteed, that the .aui-nav-item will be the same height.
            -webkit-appearance: none;
            background: transparent;
            border: 0;
            border-radius: @aui-border-radius-smallish;
            box-sizing: border-box;
            color: @aui-nav-subtree-toggle-icon-color;
            left: 0;
            margin: 0;
            position: absolute;
            padding: ((@aui-nav-subtree-toggle-icon-size - @aui-icon-size-small) / 2);
            top: ((@box-size - @aui-nav-subtree-toggle-icon-size) / 2);
            width: @aui-nav-subtree-toggle-icon-size;
            outline-radius: @aui-border-radius-smallish;
            z-index: 1; // because it needs to sit "above" the link it's for.

            > .aui-icon {
                display: block;
                margin: 0 auto;
            }

            + .aui-nav-item {
                padding-left: @aui-nav-subtree-toggle-icon-size + @aui-nav-link-spacing-horizontal;
            }
        }

        li {
            position: relative;
        }

        &[aria-expanded="false"] {
            > * {
                display: none;
            }

            > .aui-nav-subtree-toggle,
            > .aui-nav-item {
                display: inherit;
            }
        }
    }
}

/* RHS actions dropdown
------------------------ */

.aui-navgroup-vertical .aui-nav .aui-nav-item-actions {
    @actions-glyph-size: unit(@aui-icon-size-small * 0.75, px);
    @actions-button-size: @aui-icon-size-small;
    @aui-nav-item-actions-top-offset: ((@aui-nav-link-effective-height - @actions-button-size) / 2);
    @aui-nav-item-actions-left-offset: 4px;
    @aui-nav-item-actions-border-radius: 2px; // because it's a tiny button. 3px would probably work, though.

    #aui-buttons.aui-subtle-button-style(normal);
    border-radius: @aui-nav-item-actions-border-radius;
    display: block;
    height: @actions-button-size;
    margin: 0;
    overflow: hidden;
    padding: 0;
    position: absolute;
    right: (@aui-grid / 2);
    text-indent: -999em;
    top: @aui-nav-item-actions-top-offset;
    width: @actions-button-size;

    &::after {
        #aui.aui-dropdown2-trigger-chevron-icon(@actions-glyph-size, @actions-button-size);
        content: @aui-glyph-more-actions;
    }

    &:hover,
    &:focus {
        #aui-buttons.aui-button-style(hover);
    }

    &:active {
        #aui-buttons.aui-button-style(active);

        &:after {
            border-top-color: @aui-text-color;
        }
    }

    &.active {
        #aui-buttons.aui-button-style(selected);
    }

    ~ .aui-nav-item-label {
        margin-right: (@aui-grid * 1.5);
    }
}


/* Horizontal Navigation
-------------------- */
.aui-nav-horizontal,
.aui-navgroup-horizontal .aui-nav {
    display: flex;
    flex-direction: row;

    > li a {
        padding-right: @aui-grid;
    }
}

/* Horizontal Navgroup
-------------------- */
.aui-navgroup-horizontal {
    #aui.horizontal-tab-indicator(@aui-tabs-tab-border-color, auto, 0);

    // The base styles
    margin: 0;
    padding: 0;

    .aui-navgroup-inner {
        padding: 0 @aui-grid;
    }

    // Use flexbox to arrange all the innards of horizontal nav.
    // The wrapping is a bit different to floated items, but hopefully in a good way.
    .aui-navgroup-inner,
    .aui-navgroup-primary,
    .aui-navgroup-secondary,
    .aui-nav {
        display: flex;
        flex-wrap: wrap;
    }

    .aui-navgroup-inner {
        justify-content: space-between;
    }

    .aui-navgroup-primary {
        flex-grow: 1;
        order: 0;
    }

    .aui-navgroup-secondary {
        order: 1;
    }

    /* Nav in a Navbar */
    .aui-nav {
        > li > a,
        > li > span:not(.assistive) {
            display: block;
            margin: 0;
            padding: (@aui-grid - 1) @aui-grid;
            position: relative;

            &,
            &:link,
            &:visited {
                color: @aui-tabs-tab-text-color;
                text-decoration: none;
            }

            &:focus,
            &:hover {
                color: @aui-tabs-tab-hover-text-color;
            }

            &:focus {
                #aui.with-focus-ring();
                border-radius: 2px;
                z-index: 1;
            }
        }

        > .aui-nav-selected > a,
        > .aui-nav-selected > span:not(.assistive) {
            #aui.horizontal-tab-indicator(@aui-tabs-tab-active-border-color, 1);
            font-weight: @aui-font-weight-medium;

            &,
            &:link,
            &:visited,
            &.active {
                color: @aui-tabs-tab-active-text-color;
            }
        }
    }

    /* Horizontal navgroup + Dropdown2 integration. Note: ADG prohibits dropdowns in vertical nav. */
    .aui-dropdown2-trigger::after {
        #aui.aui-dropdown2-trigger-chevron-icon();
    }

    /* Breadcrumbs in navbar */
    .aui-nav-breadcrumbs > li,
    .aui-nav-breadcrumbs > li:before {
        padding: 0;
    }

    .aui-nav-breadcrumbs > li a {
        display: inline-block;
    }

    /* Bulletproofing - headings shouldn't be here but will at least not look heinously broken. */
    .aui-nav-heading {
        padding: @aui-grid @aui-grid 0 @aui-grid; /* 0 bottom required to unfuck IE9 */
    }
}

.aui-nav-actions-list {
    font-size: 0;
    list-style: none;
    margin: @aui-nav-actions-list-margin-top 0 0 0;
    padding: 0;

    &:first-child {
        margin-top: 0;
    }

    > li {
        display: inline-block;
        font-size: @aui-nav-actions-list-item-font-size;
        margin-bottom: @aui-nav-actions-list-item-margin-bottom;

        + li::before {
            content: "";
            border-radius: @aui-nav-actions-list-divider-size;
            width: @aui-nav-actions-list-divider-size;
            height: @aui-nav-actions-list-divider-size;
            background-color: @aui-nav-actions-list-divider-color;
            display: inline-block;
            vertical-align: middle;
            margin-left: @aui-nav-actions-list-divider-spacing;
            margin-right: @aui-nav-actions-list-divider-spacing;
        }
    }
}