// // Dropdown menus // ————————————————–

// Use the .menu class on any <li> element within the topbar or ul.tabs and you'll get some superfancy dropdowns .dropup, .dropdown {

position: relative;

} .dropdown-toggle {

// The caret makes the toggle a bit too tall in IE7
*margin-bottom: -3px;

} .dropdown-toggle:active, .open .dropdown-toggle {

outline: 0;

}

// Dropdown arrow/caret // ——————– .caret {

display: inline-block;
width: 0;
height: 0;
vertical-align: top;
border-top:   4px solid @black;
border-right: 4px solid transparent;
border-left:  4px solid transparent;
content: "";

}

// Place the caret .dropdown .caret {

margin-top: 8px;
margin-left: 2px;

}

// The dropdown menu (ul) // ———————- .dropdown-menu {

position: absolute;
top: 100%;
left: 0;
z-index: @zindexDropdown;
display: none; // none by default, but block on "open" of the menu
float: left;
min-width: 160px;
padding: 5px 0;
margin: 2px 0 0; // override default ul
list-style: none;
background-color: @dropdownBackground;
border: 1px solid #ccc; // Fallback for IE7-8
border: 1px solid @dropdownBorder;
*border-right-width: 2px;
*border-bottom-width: 2px;
.border-radius(6px);
.box-shadow(0 5px 10px rgba(0,0,0,.2));
-webkit-background-clip: padding-box;
   -moz-background-clip: padding;
        background-clip: padding-box;

// Aligns the dropdown menu to right
&.pull-right {
  right: 0;
  left: auto;
}

// Dividers (basically an hr) within the dropdown
.divider {
  .nav-divider(@dropdownDividerTop, @dropdownDividerBottom);
}

// Links within the dropdown menu
> li > a {
  display: block;
  padding: 3px 20px;
  clear: both;
  font-weight: normal;
  line-height: @baseLineHeight;
  color: @dropdownLinkColor;
  white-space: nowrap;
}

}

// Hover/Focus state // ———– .dropdown-menu > li > a:hover, .dropdown-menu > li > a:focus, .dropdown-submenu:hover > a, .dropdown-submenu:focus > a {

text-decoration: none;
color: @dropdownLinkColorHover;
#gradient > .vertical(@dropdownLinkBackgroundHover, darken(@dropdownLinkBackgroundHover, 5%));

}

// Active state // ———— .dropdown-menu > .active > a, .dropdown-menu > .active > a:hover, .dropdown-menu > .active > a:focus {

color: @dropdownLinkColorActive;
text-decoration: none;
outline: 0;
#gradient > .vertical(@dropdownLinkBackgroundActive, darken(@dropdownLinkBackgroundActive, 5%));

}

// Disabled state // ————– // Gray out text and ensure the hover/focus state remains gray .dropdown-menu > .disabled > a, .dropdown-menu > .disabled > a:hover, .dropdown-menu > .disabled > a:focus {

color: @grayLight;

} // Nuke hover/focus effects .dropdown-menu > .disabled > a:hover, .dropdown-menu > .disabled > a:focus {

text-decoration: none;
background-color: transparent;
background-image: none; // Remove CSS gradient
.reset-filter();
cursor: default;

}

// Open state for the dropdown // ————————— .open {

// IE7's z-index only goes to the nearest positioned ancestor, which would
// make the menu appear below buttons that appeared later on the page
*z-index: @zindexDropdown;

& > .dropdown-menu {
  display: block;
}

}

// Backdrop to catch body clicks on mobile, etc. // ————————— .dropdown-backdrop {

position: fixed;
left: 0;
right: 0;
bottom: 0;
top: 0;
z-index: @zindexDropdown - 10;

}

// Right aligned dropdowns // ————————— .pull-right > .dropdown-menu {

right: 0;
left: auto;

}

// Allow for dropdowns to go bottom up (aka, dropup-menu) // —————————————————— // Just add .dropup after the standard .dropdown class and you're set, bro. // TODO: abstract this so that the navbar fixed styles are not placed here? .dropup, .navbar-fixed-bottom .dropdown {

// Reverse the caret
.caret {
  border-top: 0;
  border-bottom: 4px solid @black;
  content: "";
}
// Different positioning for bottom up menu
.dropdown-menu {
  top: auto;
  bottom: 100%;
  margin-bottom: 1px;
}

}

// Sub menus // ————————— .dropdown-submenu {

position: relative;

} // Default dropdowns .dropdown-submenu > .dropdown-menu {

top: 0;
left: 100%;
margin-top: -6px;
margin-left: -1px;
.border-radius(0 6px 6px 6px);

} .dropdown-submenu:hover > .dropdown-menu {

display: block;

}

// Dropups .dropup .dropdown-submenu > .dropdown-menu {

top: auto;
bottom: 0;
margin-top: 0;
margin-bottom: -2px;
.border-radius(5px 5px 5px 0);

}

// Caret to indicate there is a submenu .dropdown-submenu > a:after {

display: block;
content: " ";
float: right;
width: 0;
height: 0;
border-color: transparent;
border-style: solid;
border-width: 5px 0 5px 5px;
border-left-color: darken(@dropdownBackground, 20%);
margin-top: 5px;
margin-right: -10px;

} .dropdown-submenu:hover > a:after {

border-left-color: @dropdownLinkColorHover;

}

// Left aligned submenus .dropdown-submenu.pull-left {

// Undo the float
// Yes, this is awkward since .pull-left adds a float, but it sticks to our conventions elsewhere.
float: none;

// Positioning the submenu
> .dropdown-menu {
  left: -100%;
  margin-left: 10px;
  .border-radius(6px 0 6px 6px);
}

}

// Tweak nav headers // —————– // Increase padding from 15px to 20px on sides .dropdown .dropdown-menu .nav-header {

padding-left: 20px;
padding-right: 20px;

}

// Typeahead // ——— .typeahead {

z-index: 1051;
margin-top: 2px; // give it some space to breathe
.border-radius(@baseBorderRadius);

}