/*
 * Layout modified from the Pure.css Responsive Side Menu Example
 */


/*
 * Variables
 */
:root {
  --menuWidth: 220px;
  --menuSelectedColor: var(--primaryColor);
  --menuBgColor: var(--secondaryColor);
}

/*
 * Add transition to containers so they can push in and out.
 */
#layout,
#menu,
.menu-link {
  transition: all 0.2s ease-out;
}

/*
 * This is the parent `<div>` that contains the menu and the content area.
 */
#layout {
  position: relative;
  padding-left: 0;

  &.active {
    #menu {
      left: var(--menuWidth);
      width: var(--menuWidth);
    }

    .menu-link {
      left: var(--menuWidth);
    }
  }
}

/*
 * Main area of the page containing the header, content, and footer.
 */
#main {
  background-color: var(--globalBgColor);

  /* Main Header of the page with title and subtitle */
  #mainHeader {
    margin: 0;
    color: color(var(--globalBgColor) contrast(60%));
    text-align: center;
    padding: 2.5em 2em 0;
    border-bottom: 1px solid #eee;

    h1 {
      margin: 0.2em 0;
      font-size: 3em;
      font-weight: 300;
    }

    h2, h3 {
      font-weight: 300;
      color: color(var(--globalBgColor) contrast(0%) l(+30%));
      padding: 0;
      margin-top: 0;
    }
  }

  /* Main content area of the page */
  #mainContent {
    position: relative;
    margin: 0 auto;
    padding: 0 2em;
    max-width: 800px;
    margin-bottom: 50px;
    line-height: 1.6em;

    .content-subhead {
      margin: 50px 0 20px 0;
      font-weight: 300;
      color: color(var(--globalBgColor) contrast(0%));
    }
  }
}

/*
The `#menu` `<div>` is the parent `<div>` that contains the `.pure-menu` that
appears on the left side of the page.
*/

#menu {
  margin-left: -var(--menuWidth); /* "#menu" width */
  width: var(--menuWidth);
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  z-index: 1000; /* so the menu or its navicon stays above all content */
  background: var(--menuBgColor);
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;

  /*
   * All anchors inside the menu should be styled like this.
   */
  a {
    color: color(var(--menuBgColor) contrast(40%));
    border: none;
    padding: 0.6em 0 0.6em 0.6em;
  }

  /*
   *Remove all background/borders, since we are applying them to #menu.
   */
  .pure-menu {
    /* Header item */
    .pure-menu-heading {
      background: var(--menuSelectedColor);
      font-size: 110%;
      color: color(var(--menuSelectedColor) contrast(100%));
      margin: 0;
      text-transform: uppercase;
    }

    ul {
      border: none;
      background: transparent;
      border-top: 1px solid color(var(--menuBgColor) l(-15%));
    }

    li {
      /* Hover and focus background */
      a:hover, a:focus {
        background: color(var(--menuBgColor) l(+5%));
      }

    }

    /* Border to divide groups */
    .menu-item-divided {
      border-top: 1px solid color(var(--menuBgColor) l(-15%));
    }

    /* Selected item */
    .pure-menu-selected {
      background: var(--menuSelectedColor);

      a {
        color: color(var(--menuSelectedColor) contrast(75%) s(0%));

        &:hover, &:focus {
          background-color: color(var(--menuSelectedColor) l(+5%));
        }
      }
    }

  }
}

/* -- Dynamic Button For Responsive Menu -------------------------------------*/

/*
The button to open/close the Menu is custom-made and not part of Pure. Here's
how it works:
*/

/*
`.menu-link` represents the responsive menu toggle that shows/hides on
small screens.
*/
.menu-link {
  position: fixed;
  display: block; /* show this only on small screens */
  top: 0;
  left: 0; /* "#menu width" */
  background: color(var(--globalBgColor) contrast(100%));
  font-size: 10px; /* change this value to increase/decrease button size */
  z-index: 10;
  width: 2em;
  height: auto;
  padding: 2.1em 1.6em;

  &:hover, &:focus {
    background: color(var(--globalBgColor) contrast(100%));
  }

  span {
    position: relative;
    display: block;
  }

  span, span:before, span:after {
    background-color: color(var(--globalBgColor) s(0%));
    width: 100%;
    height: 0.2em;
  }

  span:before, span:after {
    position: absolute;
    margin-top: -0.6em;
    content: " ";
  }

  span:after {
    margin-top: 0.6em;
  }
}

/* -- Responsive Styles (Media Queries) ------------------------------------- */

/*
Hides the menu at `48em`, but modify this based on your app's needs.
*/
@media (min-width: 48em) {

    .header {
        padding-left: 2em;
        padding-right: 2em;
    }

    #layout {
        padding-left: var(--menuWidth); /* left col width "#menu" */
        left: 0;
    }
    #menu {
        left: var(--menuWidth);
    }

    .menu-link {
        position: fixed;
        left: var(--menuWidth);
        display: none;
    }

    #layout.active .menu-link {
        left: var(--menuWidth);
    }
}

@media (max-width: 48em) {
    /* Only apply this when the window is small. Otherwise, the following
    case results in extra padding on the left:
        * Make the window small.
        * Tap the menu to trigger the active state.
        * Make the window large again.
    */
    #layout.active {
        position: relative;
        left:  0; /* var(--menuWidth); */
    }
}