/* Mega menu CSS for Purdue Engineering */

#top-bar #main-navigation {
  position: relative;
  margin-top: 0;
  margin-left: -15px;
  margin-right: -15px;
}

/* Position the main menu toggle hamburger icon and label */
#top-bar #mobile-menu-toggle {
  padding: 0;
  margin: 0;
  z-index: 2000;
}

#top-bar #mobile-menu-toggle #toggle-menu {
  display: inline-block;
  white-space: nowrap;
}

#top-bar #mobile-menu-toggle #toggle-menu:hover,
#top-bar #mobile-menu-toggle #toggle-menu:active,
#top-bar #mobile-menu-toggle #toggle-menu.open, {
  background-color: #ebd99F !important;
}

#top-bar #main-menus {
  color: #000;
  background-color: #cfb991;
  padding: 0;
  margin: 0;
}

#top-bar #main-menus .nav-menu {
  display: block;
  width: 100%;
  padding: 0;
  margin: 0;
}

/* A top level navigation item in the mega menu */
#top-bar .nav-item,
#top-bar .nav-item > h2 {
  font-size: 16px;
  font-weight: 400;
  list-style: none;
  padding: 0;
  position: unset;
  margin: 0;
}

/* Position the search at the upper right */
#top-bar .nav-item.search > a {
  position: absolute; 
  top: 0;
  right: 0;
  float: right;
}

#top-bar .nav-item.search #search-form {
  width: 100%;
}

#top-bar .nav-item.search #search-form .form-group {
  margin-bottom: 0;
}

#top-bar .nav-item.search #search-form .gsc-search-button-v2 {
  padding: 5px 10px 0;
}

/* First descendant link within a top level navigation item */
#top-bar .nav-item > a,
#top-bar .nav-item > h2 > a {
  display: block;
  height: 35px;
  padding: 5px 15px;
  margin: 0;
  font-weight: 400;
  text-decoration: none;
  color: #000 !important;
  border: 1px solid transparent;
}

/* focus/open states of first descendant link within a top-level navigation item */
#top-bar .nav-item > a:hover,
#top-bar .nav-item > a:focus,
#top-bar .nav-item > a.open,
#top-bar .nav-item > h2 > a:hover,
#top-bar .nav-item > h2 > a:focus,
#top-bar .nav-item > h2 > a.open {
  text-decoration: none;
  background-color: #ebd99F;
  width: 100%;
}

#top-bar .nav-item.spacer {
  display: none;
}

#top-bar .nav-item.social {
  display: flex;
  margin-bottom: 10px;
  float: left;
}

#top-bar .nav-item .row .row {
  padding: 0;
}

#top-bar .nav-item .row .row div {
  padding-left: 0;
}

/* sub-navigation panel */
#top-bar div.sub-nav {
  display: none;
  height: 0px;
  width: 100%;
  position: relative;
  margin-top: 0;
  padding: 15px;
  background: linear-gradient( #ddd, #efefef 25px, #fff 90%);
  color: #000;
  border-bottom: 1px solid #ccc;
  box-shadow: inset 0px 5px 10px rgba(0,0,0,20%), 0px 10px 10px rgba(0,0,0,20%);
}

/* sub-navigation panel open state */
#top-bar .sub-nav.open {
  display: flex;
  height: auto;
}

/* list of items within sub-navigation panel */
#top-bar div.sub-nav ul {
  display: inline-block;
  width: 100%;
  margin: 0;
  padding: 0;
}

#top-bar div.sub-nav > ul {
  width: 100%;
}

#top-bar div.sub-nav ul li.sub-nav-group {
  width: 100%;
  margin: 0 0 1.5rem 0;
}

/* list of items within sub-navigation panel */
#top-bar div.sub-nav .sub-nav-group ul {
  width: 100%;
  padding: 0;
  margin: 0;
}

/* list item within sub-navigation panel */
#top-bar div.sub-nav li {
  display: block;
  width: 100%;
  list-style-type: none;
  line-height: 1rem;
  margin: .25rem .25rem .25rem 0;
  padding: 0;
} 

#top-bar div.sub-nav h3 {
  font-family: Arial, "Helvetica Neue", Helvetica, sans-serif;
  font-size: 16px;
  font-weight: bold;
  text-transform: uppercase;
  margin-bottom: .25rem;
  position: relative;
} 

#top-bar div.sub-nav h3, 
#top-bar div.sub-nav h3 a {
  font-weight: bold;
  color: #555960;
}

#top-bar div.sub-nav h3 a {
  padding: .15rem;
  position: relative;
  top: -.15rem;
  left: -.15rem;
  margin-bottom: -.15rem;
}

#top-bar div.sub-nav .sub-nav-group li {
  padding: .15rem;
}

#top-bar div.sub-nav .sub-nav-group li a {
  color: #333;
  font-size: 14px;
  text-decoration: none;
}

#top-bar div.sub-nav .sub-nav-group ul li:hover,
#top-bar div.sub-nav .sub-nav-group ul li:focus,
#top-bar div.sub-nav h3 a:hover,
#top-bar div.sub-nav h3 a:focus {
  text-decoration: none;
  background-color: #ebd99F;
}

/* The megamenu script puts a .subnav class on .nav-item>a links if 
   there's no block element following them, and it screws up mobile display.
   This is intended to allow an empty .sub-nav div that won't display. */
#top-bar .sub-nav.hidden {
  display: none !important;
}



/* Hide main menus in mobile views */
@media (max-width: 1199.875px) {

  #top-bar #main-menus .custom-collapse {
    display: none;
  }
  
}



/* Small devices (landscape phones, 576px and up) */
@media (min-width: 576px) {
  
  /* list of items within sub-navigation panel */
  #top-bar div.sub-nav ul {
    margin: 0;
    padding: 0;
  }
  
  /* list item within sub-navigation panel */
  #top-bar div.sub-nav .sub-nav-group {
    border-left: 2px solid #8E6F3E;
    padding-left: .75rem;
  }
  
}



/* Minimum point where all the menu items can fit across the screen */
@media (min-width: 1200px) {

  #top-bar #main-menus .custom-collapse {
    display: inline-block;
  }

  #top-bar #mobile-menu-toggle {
    display: none;
  }

  #top-bar #main-menus {
    display: block;
  }
  
  /* mega menu list */

  #top-bar #main-menus .nav-menu {
    display: flex;
    justify-content: flex-start;
    align-content: center;
    align-items: stretch;
    position: relative;
    z-index: 15;
    height: 35px;
    padding: 0;
    margin: 0;
  }
  
  #top-bar #main-menus #main-nav-menu > .engr-purdue h2 a,
  #top-bar #main-menus #main-nav-menu > .engr-college h2 a {
    padding-left: 2.5em;
    padding-right: 2.5em;
    border-right: 1px solid #fff;
  }
  
  #top-bar #main-menus #main-nav-menu > .engr-purdue h2 a {
    padding-left: 1;
  }
  
  /* a top level navigation item in the mega menu */
  #top-bar .nav-item,
  #top-bar .nav-item > h2 {
    font-family: Arial, "Helvetica Neue", Helvetica, sans-serif;
    font-size: 14px;
    list-style: none;
    flex: 0 0 auto;
    position: unset;
    padding: 0;
    margin: 0;
  }
  
  /* first descendant link within a top level navigation item */
  #top-bar .nav-item > a,
  #top-bar .nav-item > h2 > a {
    color: #000;
    position: relative;
    display: inline-block;
    white-space: nowrap;
    height: 35px;
    padding: 9px 1em;
    margin: 0 0 0 0;
    border: 1px solid transparent;
  }
  
  /* focus/open states of first descendant link within a top-level navigation item */
  #top-bar .nav-item > a:focus,
  #top-bar .nav-item > a:hover,
  #top-bar .nav-item > a.open,
  #top-bar .nav-item > h2 > a:focus,
  #top-bar .nav-item > h2 > a:hover,
  #top-bar .nav-item > h2 > a.open {
    text-decoration: none;
    background-color: #ebd99F;
    width: unset;
  }
  
  #top-bar .nav-item.icon {
    font-size: 1em;
    line-height: .9em;
  }
  
  #top-bar .nav-item.icon > a {
    padding: 9px 10px;
  }

  #top-bar .nav-item.spacer {
    display: block;
    flex: 1 1 auto;
  }
  
  #top-bar .nav-item.social {
    float: none;
  }
  
  #top-bar .nav-item.search {
    position: relative;
    order: 20;
  }
  
  #top-bar .nav-item.search > a {
    position: relative;
    padding-right: 15px;
  }
  
  #top-bar .nav-item.search div.sub-nav {
    min-width: 25em;
  }
  
  /* open state of first descendant link within a top-level navigation item */
  #top-bar .nav-item > a.open {
    z-index: 1;
  }
  
  /* sub-navigation panel */
  #top-bar div.sub-nav {
    position: absolute;
    display: none;
    width: unset;
    top: 35px;
    margin-top: 0;
    padding:  1em 1em 0.5em 1em;
  }
  
  #top-bar .nav-item.search div.sub-nav {
    top: 35px;
    right: 0;
    left: auto !important;
  }

  /* sub-navigation panel open state */
  #top-bar .sub-nav.open {
    display: flex;
    height: auto;
    /* position: absolute; */
    width: 100%;
    left: 0;
  }

  #top-bar div.sub-nav h3 {
    font-size: 14px; 
  }

  #top-bar .sub-nav-group li a {
    font-size: 12px; 
  }
  
}