//
// Navbars
// --------------------------------------------------


// Wrapper and base class
//
// Provide a static navbar from which we expand to create full-width, fixed, and
// other navbar variations.

.navbar {
    position: relative;
    z-index: @zindex-navbar;
    min-height: @navbar-height; // Ensure a navbar always shows (e.g., without a .navbar-brand in collapsed mode)
    margin-bottom: 0;
    // Prevent floats from breaking the navbar
    &:extend(.cms-bootstrap .clearfix all);

    @media screen and (min-width: @grid-float-breakpoint) {
        border-radius: @navbar-border-radius;
    }
}


// Navbar collapse (body)
//
// Group your navbar content into this for easy collapsing and expanding across
// various device sizes. By default, this content is collapsed when <768px, but
// will expand past that for a horizontal display.
//
// To start (on mobile devices) the navbar links, forms, and buttons are stacked
// vertically and include a `max-height` to overflow in case you have too much
// content for the user's viewport.

.navbar-collapse {
    max-height: 340px;
    overflow-x: visible;
    padding-right: @navbar-padding-horizontal;
    padding-left: @navbar-padding-horizontal;
    border-top: 1px solid transparent;
    box-shadow: inset 0 1px 0 rgba(255,255,255,.1);
    &:extend(.cms-bootstrap .clearfix all);
    -webkit-overflow-scrolling: touch;

    &.in {
        overflow-y: auto; 
    }

    @media screen and (min-width: @grid-float-breakpoint) {
        width: auto; 
        border-top: 0; 
        box-shadow: none; 
        
        &.collapse {
            display: block !important;
            height: auto !important;
            padding-bottom: 0; // Override default setting
            overflow: visible !important;
        }

        &.in {
            overflow-y: visible;
        }
    }
}


// Both navbar header and collapse
//
// When a container is present, change the behavior of the header and collapse.

.container > .navbar-collapse {
    margin-right: -@navbar-padding-horizontal;
    margin-left: -@navbar-padding-horizontal;

    @media screen and (min-width: @grid-float-breakpoint) {
        margin-right: 0; margin-left: 0;
    }
}


//
// Navbar alignment options
//
// Display the navbar across the entirety of the page or fixed it to the top or
// bottom of the page.

// Static top (unfixed, but 100% wide) navbar
.navbar-static-top {
    border-width: 0 0 1px;

    @media screen and (min-width: @grid-float-breakpoint) {
        border-radius: 0;
    }
}

// Fix the top/bottom navbars when screen real estate supports it
.navbar-fixed-top,
.navbar-fixed-bottom {
    position: fixed;
    right: 0;
    left: 0;
    border-width: 0 0 1px;
    // Undo the rounded corners
    @media screen and (min-width: @grid-float-breakpoint) {
        border-radius: 0;
    }
}

.navbar-fixed-top {
    z-index: @zindex-navbar-fixed;
    top: 0;
}

.navbar-fixed-bottom {
    bottom: 0;
    margin-bottom: 0; // override .navbar defaults
}


// Navbar toggle
//
// Custom button for toggling the `.navbar-collapse`, powered by the collapse
// JavaScript plugin.

.navbar-toggle {
    position: relative;
    float: right;
    margin-right: @navbar-padding-horizontal;
    padding: 9px 10px;
    .navbar-vertical-align(34px);
    background-color: transparent;
    border: 1px solid transparent;
    border-radius: @border-radius-base;

    @media screen and (min-width: @grid-float-breakpoint) {
        display: none;
    }
}

// Navbar nav links
//
// Builds on top of the `.nav` components with it's own modifier class to make
// the nav the full height of the horizontal nav (above 768px).

.navbar-nav {
    // margin: (@navbar-padding-vertical / 2) -@navbar-padding-horizontal; caused unwanted move
    > li > a {
        padding-top: 10px;
        padding-bottom: 10px;
        line-height: @line-height-300;
        height: @line-height-300;
    }

    @media screen and (max-width: @screen-xs-max) {
        // Dropdowns get custom display when collapsed
        .open .dropdown-menu {
            position: static;
            float: none;
            width: auto;
            margin-top: 0;
            background-color: transparent;
            border: 0;
            box-shadow: none;

            > li > a,
            .dropdown-header {
                padding: 5px 15px 5px 25px;
            }

            > li > a {
                line-height: @line-height-100;

                &:hover,
                &:focus {
                    background-image: none;
                }
            }
        }
    }

    margin: 0;

    > li {
        float: left;

        > a {
            padding-top: ((@navbar-height - @line-height-100) / 2);
            padding-bottom: ((@navbar-height - @line-height-100) / 2);
        }
    }
}


// Navbar alignment
//
// Repurpose the pull utilities as their own navbar utilities to avoid specificity
// issues with parents and chaining.

.navbar-left {
    .pull-left();
}

.navbar-right {
    .pull-right();
}


// Navbar text shortening
//
// Provides funcionality to shorten string and replace it's ending with ellipsis
// when string is longer then set width of container.
.navbar-menu-text-shortening {
        display: inline-block;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
}


// Dropdown menus

// Menu position and menu carets
.navbar-nav > li > .dropdown-menu {
    margin-top: 0;
    .border-top-radius(0);
}
// Menu position and menu caret support for dropups via extra dropup class
.navbar-fixed-bottom .navbar-nav > li > .dropdown-menu {
    .border-bottom-radius(0);
}

// Right aligned menus need alt position
.navbar-nav.pull-right > li > .dropdown-menu,
.navbar-nav > li > .dropdown-menu.pull-right {
    left: auto;
    right: 0;
}


// Text in navbars
//
// Add a class to make any element properly align itself vertically within the navbars.

.navbar-text {
    float: left;
    line-height: @navbar-text-line-height;
    padding: 0 @base-unit;
}

// Alternate navbars
// --------------------------------------------------

// Inverse navbar

.navbar-inverse {
    background-color: @navbar-inverse-bg;
    border-color: @navbar-inverse-border;
    // Remove the extra space in header
    li {
        display: inline-block;
    }

    .navbar-text {
        color: @navbar-inverse-color;
    }

    .navbar-nav {
        > li > a {
            color: @navbar-inverse-link-color;

            &:hover,
            &:focus {
                color: @navbar-inverse-link-hover-color;
                background-color: @navbar-inverse-link-hover-bg;
            }

            > i {
                color: @navbar-inverse-icon-color;
                text-decoration: none;
                display: inline-block;
            }
        }

        > .active > a {
            &,
            &:hover,
            &:focus {
                color: @navbar-inverse-link-active-color;
                background-color: @navbar-inverse-link-active-bg;
            }
        }

        > .disabled > a {
            &,
            &:hover,
            &:focus {
                color: @navbar-inverse-link-disabled-color;
                background-color: @navbar-inverse-link-disabled-bg;
            }
        }
    }
    // Darken the responsive nav toggle
    .navbar-toggle {
        border-color: @navbar-inverse-toggle-border-color;

        &:hover,
        &:focus {
            background-color: @navbar-inverse-toggle-hover-bg;
        }

        .icon-bar {
            background-color: @navbar-inverse-toggle-icon-bar-bg;
        }
    }

    .navbar-collapse {
        border-color: darken(@navbar-inverse-bg, 7%);
    }
    // Dropdowns
    .navbar-nav {
        > .open > a {
            &,
            &:hover,
            &:focus {
                background-color: @navbar-inverse-link-active-bg;
                color: @navbar-inverse-link-active-color;
            }
        }

        > .dropdown > a:hover .caret {
            border-top-color: @navbar-inverse-link-hover-color;
            border-bottom-color: @navbar-inverse-link-hover-color;
        }

        > .dropdown > a .caret {
            border-top-color: @navbar-inverse-link-color;
            border-bottom-color: @navbar-inverse-link-color;
        }

        > .open > a {
            &,
            &:hover,
            &:focus {
                .caret {
                    border-top-color: @navbar-inverse-link-active-color;
                    border-bottom-color: @navbar-inverse-link-active-color;
                }
            }
        }

        @media screen and (max-width: @screen-xs-max) {
            // Dropdowns get custom display
            .open .dropdown-menu {
                > .dropdown-header {
                    border-color: @navbar-inverse-border;
                }

                > li > a {
                    color: @navbar-inverse-link-color;
                    background-color: @navbar-menu-bg;

                    &:hover,
                    &:focus {
                        color: @navbar-inverse-link-hover-color;
                        background-color: @navbar-inverse-link-hover-bg;
                    }
                }

                > .active > a {
                    &,
                    &:hover,
                    &:focus {
                        color: @navbar-inverse-link-active-color;
                        background-color: @navbar-inverse-link-active-bg;
                    }
                }

                > .disabled > a {
                    &,
                    &:hover,
                    &:focus {
                        color: @navbar-inverse-link-disabled-color;
                        background-color: @navbar-inverse-link-disabled-bg;
                    }
                }
            }
        }
    }
}


// Width of text in menu title
@cms-nav-menu-text-max-width: @base-unit * 10;


// Text in navigation dropdown title
.cms-nav-text {
    color: @color-white;
    text-decoration: none;
    padding-right: @base-unit;
    float: right;
    max-width: @cms-nav-menu-text-max-width;
    .navbar-menu-text-shortening;
}


// Main CMS navbar
.cms-navbar {
    min-height: 0;
    margin-bottom: 0;
    border: none;
    z-index: @zindex-navbar;
    height: @cms-navbar-height; // ~48px
    > .navbar-nav > li > a {
        padding: 0;
    }

    li {
        display: block;
    }

    .accordion-toggle, .chat-toggle {
        &.collapsed {
            background-color: transparent;
        }
    }

    .dropdown-menu {
        background-color: @context-menu-bg;
        border-color: @context-menu-bg;

        > li, > li > span {
            > a:hover, > a:focus {
                background-color: @navbar-inverse-hover-color;
            }
        }
    }

    .dropdown-menu-item-label {
        margin-bottom: @base-unit / 2;
        font-weight: 600;
    }
    
    .dropdown-menu-item-link {
        text-decoration: underline;
        padding: 0;
        margin-top: @base-unit / 2;
        font-weight: 400;
        .navbar-menu-text-shortening;
        &:hover {
            background: none !important;
        }
    }

    // Context menu item
    .dropdown-menu-item {
        color: @color-white;
        clear: both;
        width: @cms-nav-menu-text-max-width + 100;
        background: transparent;
        box-shadow: none;
        display: block;
        padding: @base-unit / 2 @base-unit;
        box-sizing: border-box;
        line-height: @line-height-100;
    }


    .dropdown-menu-item-message {
        margin-top: @base-unit / 4;
        margin-bottom: @base-unit / 2;
    }
    
    .dropdown-menu-item-info-message {
        .dropdown-menu-item-message;
        color: @color-gray-100;
    }
    
    
    .dropdown-menu-item-error-message {
        .dropdown-menu-item-message;
        color: @color-red-100;
    }
    
    .navbar-inverse {
        > li > a.accordion-toggle {
            &:hover {
                background-color: @navbar-inverse-hover-color;
            }

            &:not(.collapsed) {
                background-color: @cms-navbar-help-bg;

                i {
                    color: @color-blue-120;
                }
            }
        }

        a.dropdown-toggle, > .open > a.dropdown-toggle {
            &:hover {
                background-color: @context-menu-bg;
            }
        }

        > .open > a.dropdown-toggle {
            background-color: @context-menu-bg;
        }
    }
}

// Reserved for Kentico logo
.cms-nav-icon-large {
    .cms-icon-130;
    color: @navbar-inverse-icon-color;
}

// All other icons in the main navigation
.cms-nav-icon-medium {
    .cms-icon-100;
    color: @navbar-inverse-icon-color;
    padding: @base-unit * 0.75;
}


// Search in the main navigation
.nav-search-container {
    padding: @base-unit;
    // The icon overflows thus it needs this
    overflow: hidden;
    white-space: nowrap;
    width: @nav-search-width;

    input[type="search"] {
        display: inline-block;
        height: @input-height-small; // ~28px
        width: 100%;
        padding: 0px 4px;
        color: @input-color;
        vertical-align: baseline;
        background-color: @input-bg;
        padding-right: @base-unit * 1.5;
        border: none;
        border-radius: @input-border-radius;
        box-sizing: border-box;
        transition: ~"border-color ease-in-out .15s, box-shadow ease-in-out .15s";
        .placeholder();
        vertical-align: middle;
    }

    i {
        .cms-icon-80;
        position: relative;
        left: -(@base-unit * 2);
        color: @navbar-inverse-icon-color;
        padding: @base-unit * 0.375px;
        vertical-align: middle;
        box-sizing: content-box;
    }
}

// Help toolbar in the main CMS navbar
.cms-navbar-help {
    min-height: 0;
    line-height: @cms-navbar-height;
    color: @dropdown-link-color;

    &, .nav > li > a:focus {
        background-color: @cms-navbar-help-bg;
    }

    z-index: @zindex-navbar-help;

    .nav > li > a {
        color: @dropdown-link-color;
        padding: 0 @padding-base-horizontal;
        line-height: @cms-navbar-height;
        height: @cms-navbar-height;
        text-decoration: underline;

        &:hover {
            text-decoration: none;
        }
    }

    ul {
        border: none;
        background-color: @cms-navbar-help-bg;
    }

    .nav .caret, .nav:hover .caret {
        border-top-color: @dropdown-link-color;
    }

    .nav > li > .dropdown-toggle {
        z-index: @zindex-navbar-help;
    }

    .nav > li > a:hover, .nav li.open > a {
        background-color: @cms-navbar-help-hover-bg;
    }

    .dropdown-menu {
        background-color: @cms-navbar-help-hover-bg;
        z-index: (@zindex-navbar-help - 1); // Makes the box-shadow not visible between the menu and dropdown toggle
        > li {
            > a, > span > a {
                background-color: @cms-navbar-help-hover-bg;

                &:hover {
                    background-color: @cms-navbar-help-bg;
                }
            }
        }
    }

    .nav-search-container {
        padding: 0 (@base-unit * 0.625);

        input[type="search"] {
            vertical-align: baseline;
        }

        i {
            vertical-align: baseline;
            line-height: @font-size-base;
        }
    }
}