// app styling: base
// ====================
// NOTE: used for any basic styling or overriding that isn't covered by Bootstrap + theming

// + basics
// + extends
// + nav + header
// + ui: sections
// + ui: data-summary
// + ui: data-table
// + view: dashboard
// + view: system

@import "mixins";

// basics
// --------------------
html {
  height: 100%;
  // Note: This scales down the pattern-library default font-size from 16px to 14px. Since the PL uses rem units, this
  // also affects other sizing, like making the width of the grid narrower.
  // When we import the PL via sass, we should reconsider setting the global font size like this in favor of setting the
  // grid width directly by setting a config variable.
  font-size: 14px;
}

// Fix bug in Safari: remove outline around main element with tabindex="-1".
main {
  outline: none;
}

a {
  @include transition(color ease-in-out .25s);
}


// removes the outline around links when hovering
a {
  &:active, &:hover {
    outline: none;
  }
}

// removes the outline around nav links when hovering
.nav > li > a {
  @extend a;
}

hr {
  margin-top: 20px;
  margin-bottom: 20px;
  border-top: 1px solid $gray-l2;
  border-bottom: 0;
}

hr.has-emphasis {
  margin-top: $padding-base-vertical;
  border-color: $gray-dark;
}

dl {
  margin: 0;
}

// extends
// --------------------
%hd-titlecased {  // titlecased heading
  font-family: $f-sans-serif-alt;
  text-transform: uppercase;
  letter-spacing: 0.2rem;
}

%ui-box { // visual emphasis/grouping box
  border-radius: 3px;
  box-shadow: 0 1px 1px $shadow-l1;
  padding: $padding-large-vertical $padding-large-horizontal;
  border: 1px solid $gray-l2;
  background: $white-t;
}

%brand-app {
  @extend %hd-titlecased;
  display: inline-block;
  vertical-align: middle;
  color: $palette-primary-accent;
  font-weight: 600;
  font-family: 'Avenir Next', Helvetica, Arial, sans-serif;
}

// nav + header
// --------------------
.navbar {
  margin-bottom: 0; // Get rid of Bootstrap's default margin. Many of our pages have a secondary navbar that needs to sit right below the main navbar.
}

.navbar-brand {
  padding: 25px 50px; // needed for logo to render properly
  height: inherit;

  // STATE: hover
  &:hover, &:active {
    .navbar-brand-app {
      color: $palette-primary-base;
    }
  }

  .navbar-brand-app {
    @include transition(color ease-in-out .25s);
    @extend %hd-titlecased;
    @extend %brand-app;

  }
}

.navbar-link,
.dropdown-menu .link-label {
  font-weight: 600;
  font-size: 16px;
  font-family: $f-sans-serif;
}

.navbar-link {
  .fa-caret-down {
    margin-left: 5px;
  }

  .ico-user {
    margin-right: 5px;
  }
}

// OVERRIDE: dropdown positioning
.navbar .dropdown .dropdown-menu {
  top: 80%;
  width: 100%;

  a {
    padding: 10px 15px;
  }
}

// OVERRIDE: adding animations to open dropdowns
.dropdown, .btn-group {

  .ico-indicator {
    @include transition(all ease-in-out 0.25s);
    vertical-align: middle;
  }

  &.open {

    .ico-indicator {
      @include rotate(-180deg);
      transform-origin: 50% 50%;
    }
  }
}

.skip-link {
  &:active, &:focus, &:hover {
      position: relative;
      top: auto;
      width: auto; 
      height: auto; 
      margin: 0;
  }
  position: absolute;
  top: -1000px;
  height: 1px;
  width: 1px;
  text-align: left;
  overflow: hidden;
}
    

// ui: views
// --------------------
.view-head {
  margin-bottom: ($padding-large-vertical*2);
}

// ui: sections
// --------------------
.view-section {
  margin-bottom: ($padding-large-vertical*4);

  // CASE: last child
  &:last-child {
    margin-bottom: 0;
  }

  .section-heading {
    margin-top: $padding-large-vertical;
    margin-bottom: $padding-base-vertical;

    &.bordered {
      border-bottom: $gray-l1 1px solid;
      padding-bottom: $padding-base-vertical;
      margin-bottom: $padding-large-vertical;
    }
  }

  .section-heading-note {
    color: $edx-gray-d2;
  }

  // CASE: larger than small screen breakpoint
  @media (min-width: $screen-sm-min) {

    .section-heading {
      @include clearfix();

      .section-title {
        float: left;
      }

      .section-heading-note, .section-actions {
        float: right;
      }

      .section-title, .section-heading-note {
        margin-bottom: 0;
        margin-top: $font-size-base;
      }

    }

  }

  .section-nav {
    margin-bottom: ($padding-large-vertical*2);
  }

  .section-content {
    margin-bottom: $padding-large-vertical*2;
  }
}

// ui: tooltips
// --------------------
.tooltip {
  border-radius: 2px;
}

.tooltip-inner {
  min-width: ($tooltip-max-width/2);
  padding: $padding-base-horizontal;
}

.ico-tooltip {
  @include transition(color ease-in-out .50s);
  color: $gray-lighter;
  font-size: $font-size-large;

  // STATE: hover
  &:hover {
    cursor: pointer;
    color: $brand-primary;
  }
}

// ui: filter nav
// --------------------
.nav-filters {

  .filter {

    .ico {
      margin-left: $padding-small-horizontal;
    }
  }
}

// ui: data-summary
// --------------------
.summary-point {
  @extend %ui-box;
  @include scale(0.95);
  @include transition(all ease-in-out .50s);
  width: 100%;
  margin-bottom: $padding-large-vertical;

  .summary-point-wrapper {
    text-align: center;
    vertical-align: inherit;
    position: relative;
    padding-top: $padding-large-vertical * 2;
    padding-bottom: $padding-large-vertical * 2;
  }

  .summary-point-note {
    display: inline-block;
    vertical-align: bottom;
    width: 100%;
  }

  // STATE: hover + active
  &:hover, &:active {
    box-shadow: 0 1px 1px $edx-blue-t2;
    @include scale(1.0);

    .summary-point-number {
      color: $brand-primary;
    }
  }

  .summary-point-help {
    position: absolute;
    top: 0;
    right: 0;
  }

  .summary-point-number {
    @include transition(color ease-in-out .50s);
    @extend h2;
    margin-top: 0;
  }

  .summary-point-addtional-value {
    color: $gray;
  }

  .summary-point-label {
    @extend h4;
  }
}

// ui: data-viz
// --------------------
.section-data-viz {

  .viz-filter {
    margin-bottom: $padding-large-vertical;

    .viz-filter-label {
      display: inline-block;
      vertical-align: middle;
      margin-right: $padding-small-horizontal;
    }

    .filter {
      display: inline-block;
      vertical-align: middle;

      .ico {
        margin-left: $padding-small-horizontal;
      }
    }
  }
}

// ui: data-table
// --------------------
.section-data-table {
  @extend %ui-box;

  tbody tr {
    @include transition(background ease-in-out .25s);

    // STATE: hover
    &:hover, &:active {
      background: $edx-blue-t0;
    }
  }
}

// Footer
// --------
.footer {
  @include dark-background;

  padding-bottom: ($padding-large-vertical);
  font-size: $font-size-small;

  .legal {
    padding-top: ($padding-large-vertical*2);
    margin-left: $padding-small-horizontal;
    margin-right: $padding-small-horizontal;
    a {
      color: $palette-primary-accent;
    }
  }

  .feedback {
    border-top: solid 2px $edx-blue;
    background-color: white;
    text-align: center;
    padding: ($padding-large-vertical*2) $padding-small-horizontal;
  }
}

// view: dashboard
// --------------------
.view-dashboard, .view-course-list {
  .main {
    padding: ($padding-large-vertical*2) ($padding-large-horizontal*3);
  }

  // CASE: larger than small screen breakpoint
  @media (min-width: $screen-sm-min) {

    .sidebar {
      position: fixed;
      top: ($navbar-height+1);
      bottom: 0;
      left: 0;
      z-index: 1000;
      display: block;
      overflow-x: hidden;
      overflow-y: auto; // scrollable contents if viewport is shorter than content.
      border-right: 2px solid $black-t0;
      padding: 0;
    }
  }
}

// view: system
// (heavily relies upon Bootstrap cover - http://getbootstrap.com/examples/cover/)
// --------------------
.view-system {
  height: 100%;
  background-color: $gray-darker;
  color: $white;
  text-align: center;

  // overriding element contained in base template
  .container-fluid {
    height: 100%;
  }

  // Extra markup and styles for table-esque vertical and horizontal centering
  .site-wrapper {
    display: table;
    width: 100%;
    height: 100%; /* For at least Firefox */
    min-height: 100%;
  }
  .site-wrapper-inner {
    display: table-cell;
    vertical-align: top;
  }
  .cover-container {
    margin-right: auto;
    margin-left: auto;
  }

  // padding
  .inner {
    padding: $padding-large-vertical $padding-large-horizontal;
  }

  // header
  .masthead {
    margin-top: ($padding-large-vertical*4);
  }

  .masthead-brand {
    margin-top: $padding-large-vertical;
    margin-bottom: $padding-large-vertical;
  }

  .masthead-brand-app {
    @extend %hd-titlecased;
    @extend %brand-app;
    font-size: $font-size-large;
  }

  // cover
  .cover {
    padding: 0 $padding-large-horizontal;
  }
  .cover .btn-lg {
    padding: $padding-base-vertical $padding-large-horizontal;
    font-weight: 600;
  }

  .error-code {
    display: block;
    margin-bottom: $padding-large-vertical;
  }

  .error-title {
    display: block;
  }

  .error-copy {
    color: $gray;
  }

  // affix and center
  @media (min-width: 768px) {
    .mastfoot {
      position: fixed;
      bottom: 0;
    }

    .site-wrapper-inner {
      vertical-align: middle;
    }

    .masthead,
    .mastfoot,
    .cover-container {
      width: 100%; // Must be percentage or pixels for horizontal alignment
    }
  }

  @media (min-width: 992px) {
    .masthead,
    .mastfoot,
    .cover-container {
      width: 700px;
    }
  }
}

// pattern-library override hack. FIXME when PL is imported via sass and $grid-max-width can be configured
.grid-container {
  max-width: 1170px;
}
