$base-gap: 10px;
$menu-radius: 5px;
$nav-arrow-size: 6px;

body {
  background: #F4F4F4;
  font-family: Arial, sans-serif;
  font-size: 14px;
  font-weight: lighter;
}

.l-main {
  width: 530px;
  margin: 0 auto;
}

// --- MENU ---

.menu {
  width: 250px;
  margin: $base-gap*4;
  background: #fff;
  box-shadow: 0 1px 4px rgba(#000, .3);
  border-radius: $menu-radius;
  float: left;
}

.menu__header {
  background: #4B4F55;
  border-bottom: 1px solid #353A40;
  border-radius: $menu-radius $menu-radius 0 0;  
}

.menu__header-title {
  color: #fff;
  padding: $base-gap*1.5;
  text-shadow: 0 1px 0 rgba(#000, .4);
}

.menu__body {
  border-radius: 0 0 $menu-radius $menu-radius;    
}

// --- MENU: SMALL ---

.menu--small {
  width: 110px;
}

// --- NAV ---

.nav {
  list-style: none;
}

.nav__item {
  position: relative;
}

.nav__item-link {
  padding: $base-gap $base-gap*1.5;
  text-decoration: none;
  color: #8B8E93;
  display: block;
  border-bottom: 1px solid #F0F0F0;
  
  &:hover {
    background: #f0f0f0;   
  }
  
  &.is-active {
    background: #6E757F;
    color: #fff;
    border-bottom-color: #4B4F55;
    box-shadow: 0 1px 0 #7A828D inset;
    
    &:after {
      content: '';
      display: block;
      position: absolute;
      top: 50%;
      right: -$nav-arrow-size;
      margin-top: -$nav-arrow-size;      
      border-top: $nav-arrow-size solid transparent;
      border-bottom: $nav-arrow-size solid transparent;      
      border-left: $nav-arrow-size solid #6E757F;
    }
    
    .nav__item-icon {
      color: #fff;
    }
  }  
  
  .nav__item:last-child & {
    border-bottom: none;
  }
}

.nav__item-icon {
  color: #D2D5DA;
  width: 20px;
  text-align: center;
  font-size: 18px;
  margin-right: $base-gap;
}

// --- BADGE ---

.badge {
  font-size: 12px;
  padding: 2px 8px;
  border: 1px solid #D1D1D1;
  border-radius: 10px;
  position: absolute;
  top: 10px;
  right: 15px;
}

.badge--warning {
  background: #ED373F;
  border-color: #ED373F;
}