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

// Dropdown arrow/caret .caret {

display: inline-block;
width: 0;
height: 0;
margin-left: 2px;
vertical-align: middle;
border-top:   @caret-width-base dashed;
border-top:   @caret-width-base solid ~"\9"; // IE8
border-right: @caret-width-base solid transparent;
border-left:  @caret-width-base solid transparent;

}

// The dropdown wrapper (div) .dropup, .dropdown {

position: relative;

}

// Prevent the focus on the dropdown toggle when closing dropdowns .dropdown-toggle:focus {

outline: 0;

}

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

position: absolute;
top: 100%;
left: 0;
z-index: @zindex-dropdown;
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;
font-size: @font-size-base;
text-align: left; // Ensures proper alignment if parent has it changed (e.g., modal footer)
background-color: @dropdown-bg;
border: 1px solid @dropdown-fallback-border; // IE8 fallback
border: 1px solid @dropdown-border;
border-radius: @border-radius-base;
.box-shadow(0 6px 12px rgba(0,0,0,.175));
background-clip: padding-box;

// Aligns the dropdown menu to right
//
// Deprecated as of 3.1.0 in favor of `.dropdown-menu-[dir]`
&.pull-right {
  right: 0;
  left: auto;
}

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

// Links within the dropdown menu
> li > a {
  display: block;
  padding: 3px 20px;
  clear: both;
  font-weight: normal;
  line-height: @line-height-base;
  color: @dropdown-link-color;
  white-space: nowrap; // prevent links from randomly breaking onto new lines
}

}

// Hover/Focus state .dropdown-menu > li > a {

&:hover,
&:focus {
  text-decoration: none;
  color: @dropdown-link-hover-color;
  background-color: @dropdown-link-hover-bg;
}

}

// Active state .dropdown-menu > .active > a {

&,
&:hover,
&:focus {
  color: @dropdown-link-active-color;
  text-decoration: none;
  outline: 0;
  background-color: @dropdown-link-active-bg;
}

}

// Disabled state // // Gray out text and ensure the hover/focus state remains gray

.dropdown-menu > .disabled > a {

&,
&:hover,
&:focus {
  color: @dropdown-link-disabled-color;
}

// Nuke hover/focus effects
&:hover,
&:focus {
  text-decoration: none;
  background-color: transparent;
  background-image: none; // Remove CSS gradient
  .reset-filter();
  cursor: @cursor-disabled;
}

}

// Open state for the dropdown .open {

// Show the menu
> .dropdown-menu {
  display: block;
}

// Remove the outline when :focus is triggered
> a {
  outline: 0;
}

}

// Menu positioning // // Add extra class to `.dropdown-menu` to flip the alignment of the dropdown // menu with the parent. .dropdown-menu-right {

left: auto; // Reset the default from `.dropdown-menu`
right: 0;

} // With v3, we enabled auto-flipping if you have a dropdown within a right // aligned nav component. To enable the undoing of that, we provide an override // to restore the default dropdown menu alignment. // // This is only for left-aligning a dropdown menu within a `.navbar-right` or // `.pull-right` nav component. .dropdown-menu-left {

left: 0;
right: auto;

}

// Dropdown section headers .dropdown-header {

display: block;
padding: 3px 20px;
font-size: @font-size-small;
line-height: @line-height-base;
color: @dropdown-header-color;
white-space: nowrap; // as with > li > a

}

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

position: fixed;
left: 0;
right: 0;
bottom: 0;
top: 0;
z-index: (@zindex-dropdown - 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: @caret-width-base dashed;
  border-bottom: @caret-width-base solid ~"\9"; // IE8
  content: "";
}
// Different positioning for bottom up menu
.dropdown-menu {
  top: auto;
  bottom: 100%;
  margin-bottom: 2px;
}

}

// Component alignment // // Reiterate per navbar.less and the modified component alignment there.

@media (min-width: @grid-float-breakpoint) {

.navbar-right {
  .dropdown-menu {
    .dropdown-menu-right();
  }
  // Necessary for overrides of the default right aligned menu.
  // Will remove come v4 in all likelihood.
  .dropdown-menu-left {
    .dropdown-menu-left();
  }
}

}