// Variables
// ========================================================================
@sidebar-width: 260px;
@sidebar-background: @global-secondary-background;
@sidebar-nested-background: darken(@sidebar-background, 5%);
@sidebar-over-background: rgba(0, 0, 0, 0.1);
@sidebar-aside-color-mode: light;
@sidebar-item-padding-vertical: 8px;
@sidebar-item-padding-horizontal: 20px;
@sidebar-item-border-width: 2px;
@sidebar-item-border-color: @global-theme-color;
@sidebar-item-first-padding-top: 20px;
@sidebar-header-padding-vertical: @sidebar-item-padding-vertical;
@sidebar-header-padding-horizontal: @sidebar-item-padding-horizontal;
@sidebar-nested-padding: 4px;
@sidebar-nested-padding-left: 24px;

/* ========================================================================
   Component: Sidebar
 ========================================================================== */
aside.uf-sidenav {
    --uk-inverse: @sidebar-aside-color-mode;
    position: fixed;
    left: 0;
    top: @navbar-nav-item-height;
    bottom: 0;
    overflow-x: hidden;
    overflow-y: auto;
    background-color: @sidebar-background;
    width: @sidebar-width;
    z-index: 2;
    transition: height 0.3s ease-out;

    /* Set main content beside sidebar */
    ~ .uf-main {
        margin-left: @sidebar-width;
    }

    // Darken background on hover, only on dark background
    .uk-nav-default > li > a:hover {
        background-color: @sidebar-over-background;
    }

    // Increment top padding for first item
    .uk-nav-default > li:first-child {
        padding-top: @sidebar-item-first-padding-top;
    }
}

// uk-visible\@m --> @breakpoint-small-max
// @media (max-width: @breakpoint-small-max) {}
/* Phone landscape and smaller */
@media (max-width: @breakpoint-small-max) {
    aside.uf-sidenav:not(.open) {
        display: none !important;
    }

    aside.uf-sidenav {
        ~ .uf-main {
            margin-left: inherit;
        }
    }
}

// Right side modifier
aside.uf-sidenav-right {
    left: auto;
    right: 0;
    ~ .uf-main {
        margin-right: @sidebar-width;
        margin-left: inherit;
    }
}

// Color Mode
aside.uf-sidenav:extend(.uk-light all) when (@sidebar-aside-color-mode = light) {
}
aside.uf-sidenav:extend(.uk-dark all) when (@sidebar-aside-color-mode = dark) {
}

// Sidebar items
.uf-sidenav {
    // Set padding for nav items.
    // Add transparent border to avoid the element moving on hover
    .uk-nav-default > li > a {
        padding: @sidebar-item-padding-vertical @sidebar-item-padding-horizontal;
        border-left: @sidebar-item-border-width solid transparent;
        transition: all 0.15s ease-out;
        font-size: @global-font-size;
    }

    // Add theme colored border on hover, open and active
    .uk-nav-default > li > a:hover,
    .uk-nav-default > li.uk-open > a,
    .uk-nav-default > li.uk-active > a {
        border-left: @sidebar-item-border-width solid @sidebar-item-border-color;
    }

    // Set nav header padding
    .uk-nav-header {
        padding: @sidebar-header-padding-vertical @sidebar-header-padding-horizontal;
        border-left: @sidebar-item-border-width solid transparent;
    }

    // Move each nested level to the right and set background color
    .uk-nav-default .uk-nav-sub {
        padding-left: @sidebar-nested-padding-left;
        background: @sidebar-nested-background;
    }

    // Set nested nav items sizing
    .uk-nav-default .uk-nav-sub a {
        font-size: @global-font-size;
        padding: @sidebar-nested-padding;
    }
}

// Rightside modifier
.uf-sidenav-right {
    .uk-nav-default > li > a {
        border-right: @sidebar-item-border-width solid transparent;
        border-left: 0px;
    }

    .uk-nav-default > li > a:hover,
    .uk-nav-default > li.uk-open > a,
    .uk-nav-default > li.uk-active > a {
        border-right: @sidebar-item-border-width solid @sidebar-item-border-color;
        border-left: 0px;
    }
}