/**
 * Stylesheet
 *
 * @namespace Lungo.Layout
 * @class Nav
 *
 * @author Javier Jimenez Villar <javi@tapquo.com> || @soyjavi
 */

nav
  /* ========================================================================= */
  /* ================================= HEADER ================================ */
  /* ========================================================================= */
  header &
    & a, button
      position: relative
      text-align: center
      float: left
      height: HEADER_HEIGHT
      min-width: HEADER_HEIGHT
      & > .icon
        font-size: 1.5em

    & .tag
      position: absolute
      top: 0.5em
      right: 0.25em
      height: FONT_SIZE_LARGE
      line-height: FONT_SIZE_LARGE

    & .loading
      font-size: 1.5em
      & + .icon
        display: none

  &[data-control=groupbar], footer &
    display-box()
    box-pack(justify)
    width: 100%
    & > a
      box-flex(1)
      text-decoration: none


  /* ========================================================================= */
  /* =============================== GROUPBAR ================================ */
  /* ========================================================================= */
  &[data-control=groupbar]
    z-index: 2
    height: HEADER_GROUPBAR_HEIGHT
    width: 100%
    font-size: FONT_SIZE_SMALL
    line-height: HEADER_GROUPBAR_HEIGHT
    & > a
      padding:0
      margin:0
      height: HEADER_GROUPBAR_HEIGHT !important
      display: block
      text-align: center
      & .icon, .tag
        margin: 0 0.2em
        line-height: inherit

  /* ========================================================================= */
  /* ================================= MENU ================================== */
  /* ========================================================================= */
  &[data-control=menu]
    position: absolute
    left: 0
    top: 0
    top: HEADER_HEIGHT
    visibility: hidden
    z-index: 2
    width: 100%
    text-align: center

    transform translateY(-120%)
    transition-property transform
    transition-duration TRANSITION_TIME
    transition-timing-function DEFAULT_TRANSITION
    backface-visibility hidden

    &.show
      visibility: visible
      transform translateY(0%)

    &.icons
      font-size: FONT_SIZE_TINY
      & > a
        width: 25%
        float: left
        padding: 10px 0
        & > .icon
          font-size: S = 32px
          line-height: S
          display: block

    &:not(.icons)
      font-size: FONT_SIZE_BIG
      & > a
        display: block
        position: relative
        padding: INDENT
        & > .icon
          position: absolute
          left: 0.5em
          top: 0.5em
          font-size: FONT_SIZE_LARGE
          line-height: 1.0em


  /* ========================================================================= */
  /* ================================ FOOTER ================================= */
  /* ========================================================================= */
  footer &
    & a
      display: block
      padding: 0
      height:  HEADER_HEIGHT
      text-align: center

    & .icon
      font-size: 2.0em
      line-height: inherit
      width: HEADER_HEIGHT
      display: inline-block

    & .tag
      position: relative
      top:  SIZE = -12px
      left: SIZE
      margin-right: -24px
      & .loading
        top: 0
        font-size: 1.4em

    abbr
      display: none

    &.with-labels
      & .icon
        font-size: 1.8em
        line-height: 1.0em
      & abbr
        z-index: 1
        display: block !important
        margin-top: -1.3em

        font-size: FONT_SIZE_TINY
        line-height: FONT_SIZE_TINY

        overflow: hidden
        white-space: nowrap
        text-overflow: ellipsis

  /* ========================================================================= */
  /* =========================== MENU KEYFRAMES ============================== */
  /* ========================================================================= */

@keyframes menuShow
  0%   {transform translateY(-120%)}
  75%  {transform translateY(8px)}
  100% {transform translateY(0)}
@keyframes menuHide
  0%   {transform translateY(0)}
  25%  {transform translateY(8px)}
  100% {transform translateY(-120%)}