// capa - styling
// ====================

// Table of Contents
// * +Variables - Capa
// * +Extends - Capa
// * +Mixins - Status Icon - Capa
// * +Resets - Deprecate Please
// * +Problem - Base
// * +Problem - Choice Group
// * +Problem - Misc, Unclassified Mess
// * +Problem - Text Input, Numerical Input
// * +Problem - Option Input (Dropdown)
// * +Problem - CodeMirror
// * +Problem - Misc, Unclassified Mess Part 2
// * +Problem - Rubric
// * +Problem - Annotation
// * +Problem - Choice Text Group
// * +Problem - Image Input Overrides
// * +Problem - Annotation Problem Overrides
@import 'vendor/bi-app/bi-app-ltr';
@import 'bourbon/bourbon';
@import 'lms/theme/variables';
@import 'bootstrap/scss/variables';
@import 'lms/theme/variables-v1';

// +Variables - Capa
// ====================
$annotation-yellow: rgba(255, 255, 10, 0.3);
$color-copy-tip: rgb(100, 100, 100);

// FontAwesome Icon code
// ====================
$checkmark-icon: '\f00c'; // .fa-check
$cross-icon: '\f00d'; // .fa-close
$asterisk-icon: '\f069'; // .fa-asterisk


@import '../../../../../static/sass/edx-pattern-library-shims/base/variables';

// +Extends - Capa
// ====================
// Duplicated from _mixins.scss due to xmodule compilation, inheritance issues
%use-font-awesome {
  font-family: FontAwesome;
  -webkit-font-smoothing: antialiased;
  display: inline-block;
  speak: none;
}

// +Mixins - Status Icon - Capa
// ====================
@mixin status-icon($color: $gray, $fontAwesomeIcon: "\f00d") {
  .status-icon {
    &::after {
      @extend %use-font-awesome;

      color: $color;
      font-size: 1.2em;
      content: $fontAwesomeIcon;
    }
  }
}

// +Resets - Deprecate Please
// ====================
h2 {
  margin-top: 0;
  margin-bottom: ($baseline*0.75);

  &.problem-header {
    display: inline-block;

    section.staff {
      margin-top: ($baseline*1.5);
      font-size: 80%;
    }
  }

  @media print {
    display: block;
    width: auto;
    border-right: 0;
  }
}

.explanation-title {
  font-weight: bold;
}

%feedback-hint {
  margin-top: ($baseline / 4);

  .icon {
    @include margin-right($baseline / 4);
  }
}

.feedback-hint-incorrect {
  @extend %feedback-hint;

  .icon {
    color: $incorrect;
  }
}

.feedback-hint-partially-correct,
.feedback-hint-correct {
  @extend %feedback-hint;

  .icon {
    color: $correct;
  }
}

.feedback-hint-text {
  color: $color-copy-tip;
}

.problem-hint {
  margin-bottom: 20px;
  width: 100%;
}

.hint-label {
  display: inline-block;
  padding-right: 0.5em;
}

.hint-text {
  display: inline-block;
}

.feedback-hint-multi .hint-text {
  display: block;
}

iframe[seamless] {
  overflow: hidden;
  padding: 0;
  border: 0 none transparent;
  background-color: transparent;
}

.inline-error {
  color: darken($error-color, 11%);
}

div.problem-progress {
  display: inline-block;
  color: $gray-d1;
  font-size: em(14);
}

// +Problem - Base
// ====================
div.problem {
  padding-top: $baseline;

  @media print {
    display: block;
    padding: 0;
    width: auto;

    canvas,
    img {
      page-break-inside: avoid;
    }
  }

  input.math {
    direction: ltr; // Equations are always English
  }

  .inline {
    display: inline;

    + p {
      margin-top: $baseline;
    }
  }

  .question-description {
    color: $gray-d1;
    font-size: $small-font-size;
  }

  form > label, .problem-group-label {
    display: block;
    margin-bottom: $baseline;
    font: inherit;
    color: inherit;
    -webkit-font-smoothing: initial;
  }

  .problem-group-label + .question-description {
    margin-top: -$baseline;
  }

}

// CAPA gap spacing between problem parts
// can not use the & + & since .problem is nested deeply in .xmodule_display.xmodule_CapaModule
.wrapper-problem-response + .wrapper-problem-response,
.wrapper-problem-response + p {
  margin-top: ($baseline * 1.5);
}

// Choice Group - silent class
%choicegroup-base {
  @include clearfix();

  min-width: 100px;
  width: auto !important;
  width: 100px;

  label {
    box-sizing: border-box;

    display: inline-block;
    clear: both;
    margin-bottom: ($baseline/2);
    border: 2px solid $gray-l4;
    border-radius: 3px;
    padding: ($baseline/2);
    width: 100%;

    &::after {
      @include margin-left($baseline*0.75);
    }
  }

  .indicator-container {
    min-height: 1px;
    width: 25px;
    display: inline-block;
  }

  fieldset {
    box-sizing: border-box;
  }

  input[type="radio"],
  input[type="checkbox"] {
    @include margin($baseline/4);
    @include margin-right($baseline/2);
  }

  input {
    &:focus,
    &:hover {
      & + label {
        border: 2px solid $blue;
      }
    }

    &,
    &:focus,
    &:hover {
      & + label.choicegroup_correct {
        @include status-icon($correct, $checkmark-icon);

        border: 2px solid $correct;
      }

      & + label.choicegroup_partially-correct {
        @include status-icon($partially-correct, $asterisk-icon);

        border: 2px solid $partially-correct;
      }

      & + label.choicegroup_incorrect {
        @include status-icon($incorrect, $cross-icon);

        border: 2px solid $incorrect;
      }

      & + label.choicegroup_submitted {
        border: 2px solid $submitted;
      }
    }
  }
}

// +Problem - Choice Group
// ====================
div.problem {
  .choicegroup {
    @extend %choicegroup-base;

    .field {
      position: relative;
    }

    label {
      @include padding($baseline/2);
      @include padding-left($baseline*2.3);

      position: relative;
      font-size: $base-font-size;
      line-height: normal;
      cursor: pointer;
    }

    input[type="radio"],
    input[type="checkbox"] {
      @include left(em(9));

      position: absolute;
      top: 0.35em;
      width: $baseline*1.1;
      height: $baseline*1.1;
      z-index: 1;
    }

    legend {
      margin-bottom: $baseline;
      max-width: 100%;
      white-space: normal;
    }

    legend + .question-description {
      margin-top: -$baseline;
      max-width: 100%;
      white-space: normal;
    }
  }
}

// +Problem - Status Indicators
// ====================
// Summary status indicators shown after the input area
div.problem {
  .indicator-container {
    @include margin-left($baseline*0.75);

    .status {
      width: $baseline;

      // CASE: correct answer
      &.correct {
        @include status-icon($correct, $checkmark-icon);
      }

      // CASE: partially correct answer
      &.partially-correct {
        @include status-icon($partially-correct, $asterisk-icon);
      }

      // CASE: incorrect answer
      &.incorrect {
        @include status-icon($incorrect, $cross-icon);
      }

      &.submitted,
      &.unsubmitted,
      &.unanswered {
        .status-icon {
          content: '';
        }
      }
    }
  }
}

// +Problem - Misc, Unclassified Mess
// ====================
div.problem {
  ol.enumerate {
    li {
      &::before {
        display: block;
        visibility: hidden;
        height: 0;
        content: " ";
      }
    }
  }

  .solution-span {
    > span {
      margin: $baseline 0;
      display: block;
      position: relative;

      &:empty {
        display: none;
      }
    }
  }

  .targeted-feedback-span {
    > span {
      display: block;
      position: relative;

      &:empty {
        display: none;
      }
    }
  }

  // known classes using this div: .indicator-container, moved to section above
  div {

    // TO-DO: Styling used by advanced capa problem types. Should be synced up to use .status class
    p {
      &.answer {
        margin-top: -2px;
      }

      span.clarification i {
        font-style: normal;

        &:hover {
          color: $blue;
        }
      }
    }

    &.correct, &.ui-icon-check {
      input {
        border-color: $correct;
      }
    }

    &.partially-correct, &.ui-icon-check {
      input {
        border-color: $partially-correct;
      }
    }

    &.processing {
      input {
        border-color: #aaa;
      }
    }

    &.ui-icon-close {
      input {
        border-color: $incorrect;
      }
    }

    &.incorrect, &.incomplete {
      input {
        border-color: $incorrect;
      }
    }

    &.submitted, &.ui-icon-check {
      input {
        border-color: $submitted;
      }
    }

    p.answer {
      display: inline-block;
      margin-top: ($baseline / 2);
      margin-bottom: 0;

      &::before {
        @extend %t-strong;

        display: inline;
        content: "Answer: ";

      }

      &:empty {
        &::before {
          display: none;
        }
      }
    }

    div.equation {
      clear: both;
      margin-top: 3px;

      .MathJax_Display {
        width: auto;
      }

      img.loading {
        @include padding-left($baseline/2);

        display: inline-block;
      }

      span {
        margin-bottom: 0;
        display: inline-block;

        &.MathJax_CHTML, &.MathJax, &.MathJax_SVG {
          padding: 6px;
          min-width: 30px;
          border: 1px solid #e3e3e3;
          border-radius: 4px;
          background: #f1f1f1;
        }
      }
    }

    // Hides equation previews in symbolic response problems when printing
    [id^='display'].equation {
      @media print {
        display: none;
      }
    }

    //TO-DO: review and deprecate all these styles within span {}
    span {
      &.ui-icon-bullet {
        display: inline-block;
        position: relative;
        top: 4px;
        width: 14px;
        height: 14px;
        background: url('#{$static-path}/images/unanswered-icon.png') center center no-repeat;
      }

      &.processing, &.ui-icon-processing {
        display: inline-block;
        position: relative;
        top: 6px;
        width: 25px;
        height: 20px;
        background: url('#{$static-path}/images/spinner.gif') center center no-repeat;
      }

      &.ui-icon-check {
        display: inline-block;
        position: relative;
        top: 3px;
        width: 25px;
        height: 20px;
        background: url('#{$static-path}/images/correct-icon.png') center center no-repeat;
      }

      &.incomplete, &.ui-icon-close {
        display: inline-block;
        position: relative;
        top: 3px;
        width: 20px;
        height: 20px;
        background: url('#{$static-path}/images/incorrect-icon.png') center center no-repeat;
      }
    }

    .reload {
      @include float(right);

      margin: ($baseline/2);
    }


    .grader-status {
      @include clearfix();

      margin: $baseline/2 0;
      padding: $baseline/2;
      border-radius: 5px;
      background: $gray-l6;

      span {
        display: block;
        float: left;
        overflow: hidden;
        margin: -7px 7px 0 0;
        text-indent: -9999px;
      }

      .grading {
        margin: 0px 7px 0 0;
        padding-left: 25px;
        background: url('#{$static-path}/images/info-icon.png') left center no-repeat;
        text-indent: 0px;
      }

      p {
        float: left;
        margin-bottom: 0;
        text-transform: capitalize;
        line-height: 20px;
      }

      &.file {
        margin-top: $baseline;
        padding: $baseline 0 0 0;
        border: 0;
        border-top: 1px solid #eee;
        background: $white;

        p.debug {
          display: none;
        }

        input {
          float: left;
        }
      }

    }

    .evaluation {
      p {
        margin-bottom: ($baseline/5);
      }
    }


    .feedback-on-feedback {
      margin-right: $baseline;
      height: 100px;
    }

    .evaluation-response {
      header {
        text-align: right;

        a {
          font-size: .85em;
        }
      }
    }

    .evaluation-scoring {
      .scoring-list {
        margin-left: 3px;
        list-style-type: none;

        li {
          display:inline;
          margin-left: 50px;

          &:first-child {
            margin-left: 0;
          }

          label {
            font-size: .9em;
          }
        }
      }
    }

    .submit-message-container {
      margin: $baseline 0px ;
    }
  }

  div.inline {
    > span {
      display: inline;
    }
  }

  ul {
    margin-bottom: lh();
    margin-left: .75em;
    margin-left: .75rem;
    list-style: disc outside none;
  }

  ol {
    margin-bottom: lh();
    margin-left: .75em;
    margin-left: .75rem;
    list-style: decimal outside none;
  }

  dl {
    line-height: 1.4em;
  }

  dl dt {
    @extend %t-strong;

  }

  dl dd {
    margin-bottom: 0;
  }

  dd {
    margin-left: .5em;
    margin-left: .5rem;
  }

  li {
    margin-bottom: lh(0.5);
    line-height: 1.4em;

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

  p {
    margin-bottom: lh();
  }

  table {
    margin: lh() 0;
    border-collapse: collapse;
    table-layout: auto;

    td, th {
      &.cont-justified-left {
        text-align: left !important; // nasty, but needed to override the bad specificity of the xmodule css selectors
      }

      &.cont-justified-right {
        text-align: right !important; // nasty, but needed to override the bad specificity of the xmodule css selectors
      }

      &.cont-justified-center {
        text-align: center !important; // nasty, but needed to override the bad specificity of the xmodule css selectorsstyles
      }
    }

    th {
      @extend %t-strong;

      text-align: left;
    }

    td {
      text-align: left;
    }

    caption, th, td {
      padding: .25em .75em .25em 0;
      padding: .25rem .75rem .25rem 0;
    }

    caption {
      margin-bottom: .75em;
      margin-bottom: .75rem;
      padding: .75em 0;
      padding: .75rem 0;
      background: #f1f1f1;
    }

    tr, td, th {
      vertical-align: middle;
    }
  }

  code {
    margin: 0 2px;
    padding: 0px 5px;
    border: 1px solid #eaeaea;
    border-radius: 3px;
    background-color: $gray-l6;
    white-space: nowrap;
    font-size: .9em;
  }

  pre {
    overflow: auto;
    padding: 6px $baseline/2;
    border: 1px solid $gray-l3;
    border-radius: 3px;
    background-color: $gray-l6;
    font-size: .9em;
    line-height: 1.4;

    > code {
      margin: 0;
      padding: 0;
      border: none;
      background: transparent;
      white-space: pre;
    }
  }
}

// +Problem - Text Input, Numerical Input
// ====================
.problem {
  .capa_inputtype.textline, .inputtype.formulaequationinput {
    input {
      box-sizing: border-box;

      border: 2px solid $gray-l4;
      border-radius: 3px;
      min-width: 160px;
      height: 46px;
    }

    .status {
      display: inline-block;
      margin-top: ($baseline/2);
      background: none;
    }

    // CASE: incorrect answer
    > .incorrect {
      input {
        border: 2px solid $incorrect;
      }

      .status {
        @include status-icon($incorrect, $cross-icon);
      }
    }

    // CASE: partially correct answer
    > .partially-correct {
      input {
        border: 2px solid $partially-correct;
      }

      .status {
        @include status-icon($partially-correct, $asterisk-icon);
      }
    }

    // CASE: correct answer
    > .correct {
      input {
        border: 2px solid $correct;
      }

      .status {
        @include status-icon($correct, $checkmark-icon);
      }
    }

    // CASE: submitted, correctness withheld
    > .submitted {
      input {
        border: 2px solid $submitted;
      }

      .status {
        content: '';
      }
    }

    // CASE: unanswered and unsubmitted
    > .unanswered, > .unsubmitted {
      input {
        border: 2px solid $gray-l4;
      }

      .status {
        .status-icon {
          &::after {
            content: '';
            display: inline-block;
          }
        }
      }
    }

  }

  .inputtype.formulaequationinput {
    > div {
      input {
        direction: ltr;
        @include text-align(left);
      }
    }
  }

  .trailing_text {
    @include margin-right($baseline/2);

    display: inline-block;
  }
}


// +Problem - Option Input (Dropdown)
// ====================
.problem {
  .inputtype.option-input {
    margin: 0 0 0 0 !important;

    .indicator-container {
      display: inline-block;

      .status.correct::after,
      .status.partially-correct::after,
      .status.incorrect::after,
      .status.submitted::after,
      .status.unanswered::after {
        @include margin-left(0);
      }
    }
  }
}

// +Problem - CodeMirror
// ====================
div.problem {
  .CodeMirror {
    border: 1px solid black;
    font-size: 14px;
    line-height: 18px;
    resize: none;

    .cm-tab {
      background: url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAADAAAAAMCAYAAAAkuj5RAAAAAXNSR0IArs4c6QAAAGFJREFUSMft1LsRQFAQheHPowAKoACx3IgEKtaEHujDjORSgWTH/ZOdnZOcM/sgk/kFFWY0qV8foQwS4MKBCS3qR6ixBJvElOobYAtivseIE120FaowJPN75GMu8j/LfMwNjh4HUpwg4LUAAAAASUVORK5CYII=);
      background-position: right;
      background-repeat: no-repeat;
    }

    pre {
      overflow: hidden;
      margin: 0;
      padding: 0;
      border-width: 0;
      border-radius: 0;
      background: transparent;
      white-space: pre;
      word-wrap: normal;
      font-size: inherit;
      font-family: inherit;
      resize: none;

      &.CodeMirror-cursor {
        @extend %ui-depth1;

        position: absolute;
        visibility: hidden;
        width: 0;
        border-right: none;
        border-left: 1px solid $black;
      }
    }
  }

  .CodeMirror-focused pre.CodeMirror-cursor {
    visibility: visible;
  }

  .CodeMirror-code pre {
    width: -webkit-fit-content;
    width: -moz-fit-content;
    width: fit-content;
  }

  .CodeMirror-scroll {
    margin-right: 0px;
  }
}

.capa-message {
  display: inline-block;
  color: $gray-d1;
  -webkit-font-smoothing: antialiased;
}

// +Problem - Actions
// ====================
div.problem .action {
  min-height: $baseline;
  width: 100%;
  display: flex;
  display: -ms-flexbox;
  -ms-flex-align: start;
  flex-direction: row;
  align-items: center;
  flex-wrap: wrap;

  .problem-action-buttons-wrapper {
      display: inline-flex;
      justify-content: flex-end;
      width: 100%;
      padding-bottom: $baseline;
  }

  .problem-action-button-wrapper {
    @include border-right(1px solid $gray-300);
    @include padding(0, 13px); // to create a 26px gap, which is an a11y recommendation

    display: inline-block;

    &:last-child {
      border: none;
      padding-right: 0;
    }
  }

  .problem-action-btn {
    border: none;
    max-width: 110px;

    &:hover,
    &:focus,
    &:active {
      color: $primary !important;
    }

    .icon {
      margin-bottom: $baseline / 10;
      display: block;
    }

    @media print {
      display: none;
    }
  }

  .submit-attempt-container {
    padding-bottom: $baseline;
    flex-grow: 1;
    display: flex;
    align-items: center;

    @media (max-width: $bp-screen-lg) {
      max-width: 100%;
      padding-bottom: $baseline;
    }

    .submit {
      @include margin-right($baseline / 2);
      @include float(left);

      white-space: nowrap;
    }

    .submit-cta-description {
        color: $primary;
        font-size: small;
        padding-right: $baseline / 2;
    }
    .submit-cta-link-button {
        color: $primary;
        padding-right: $baseline / 4;
    }
  }

  .submission-feedback {
    @include margin-right($baseline / 2);

    margin-top: $baseline / 2;
    display: inline-block;
    color: $gray-d1;
    font-size: $medium-font-size;
    -webkit-font-smoothing: antialiased;
    vertical-align: middle;

    &.cta-enabled {
      margin-top: 0;
    }
  }
}


// +Problem - Misc, Unclassified Mess Part 2
// ====================
div.problem {
  hr {
    float: none;
    clear: both;
    margin: 0 0 .75rem;
    width: 100%;
    height: 1px;
    border: none;
    background: #ddd;
    color: #ddd;
  }

  .hidden {
    display: none;
    visibility: hidden;
  }

  #{$all-text-inputs} {
    display: inline;
    width: auto;
  }

  // this supports a deprecated element and should be removed once the center tag is removed
  center {
    display: block;
    margin: lh() 0;
    padding: lh();
    border: 1px solid $gray-l3;
  }

  .message {
    font-size: inherit;
  }

  .detailed-solution > p {
    margin: 0;

    &:first-child {
      @extend %t-strong;

      margin-bottom: 0;
    }

  }

  .detailed-targeted-feedback,
  .detailed-targeted-feedback-partially-correct,
  .detailed-targeted-feedback-correct {
    > p {
      margin: 0;
      font-weight: normal;

      &:first-child {
        @extend %t-strong;
      }
    }
  }

  div.capa_alert {
    margin-top: $baseline;
    padding: 8px 12px;
    border: 1px solid $warning-color;
    border-radius: 3px;
    background: $warning-color-accent;
    font-size: 0.9em;
  }

  .notification {
    @include float(left);

    margin-top: $baseline / 2;
    padding: ($baseline / 2.5) ($baseline / 2) ($baseline / 5) ($baseline / 2);
    line-height: $base-line-height;

    &.success {
      @include notification-by-type($success);
    }

    &.error {
      @include notification-by-type($danger);
    }

    &.warning {
      @include notification-by-type($warning);
    }

    &.general {
      @include notification-by-type($general-color-accent);
    }

    &.problem-hint {
      border: 1px solid $uxpl-gray-background;
      border-radius: 6px;

      .icon {
        @include margin-right(3 * $baseline / 4);

        color: $uxpl-gray-dark;
      }

      li {
        color: $uxpl-gray-base;

        strong {
          color: $uxpl-gray-dark;
        }
      }
    }

    .icon {
      @include float(left);

      position: relative;
      top: $baseline / 5;
    }

    .notification-message {
      display: inline-block;
      width: flex-grid(7,10);
      // Make notification tall enough that when the "Review" button is displayed,
      // the notification does not grow in height.
      margin-bottom: 8px;

      ol {
        list-style: none outside none;
        padding: 0;
        margin: 0;

        li:not(:last-child) {
          margin-bottom: $baseline / 4;
        }
      }
    }

    .notification-btn-wrapper {
      @include float(right);
    }

  }

  .notification-btn {
    @include float(right);

    padding: ($baseline / 10) ($baseline / 4);
    min-width: ($baseline * 3);
    display: block;
    clear: both;

    &:first-child {
      margin-bottom: $baseline / 4;
    }
  }

  // override default button hover
  button {
    &:hover {
      background-image: none;
      box-shadow: none;
    }

    &:focus {
      box-shadow: none;
    }

    &.btn-default {
      background-color: transparent;
    }

    &.btn-brand {
      &:hover {
        background-color: $btn-brand-focus-background;
      }
    }
  }

  .review-btn {
    color: $blue; // notification type has other colors
    &.sr {
      color: $blue;
    }
  }

  div.capa_reset {
    padding: 25px;
    border: 1px solid $error-color;
    background-color: lighten($error-color, 25%);
    border-radius: 3px;
    font-size: 1em;
    margin-top: $baseline/2;
    margin-bottom: $baseline/2;
  }

  .capa_reset>h2 {
    color: #a00;
  }

  .capa_reset li {
    font-size: 0.9em;
  }

  .hints {
    border: 1px solid $gray-l3;

    h3 {
      @extend %t-strong;

      padding: 9px;
      border-bottom: 1px solid #e3e3e3;
      background: #eee;
      text-shadow: 0 1px 0 $white;
      font-size: em(16);
    }

    div {
      border-bottom: 1px solid #ddd;

      &:last-child {
        border-bottom: none;
      }

      p {
        margin-bottom: 0;
      }

      header {
        a {
          display: block;
          padding: 9px;
          background: $gray-l6;
          box-shadow: inset 0 0 0 1px $white;
        }
      }

      > section {
        padding: 9px;
      }
    }
  }

  .test {
    padding-top: 18px;

    header {
      margin-bottom: 12px;

      h3 {
        @extend %t-strong;

        color: #aaa;
        font-style: normal;
        font-size: 0.9em;
      }
    }

    > section {
      position: relative;
      margin-bottom: ($baseline/2);
      padding: 9px 9px $baseline;
      border: 1px solid #ddd;
      border-radius: 3px;
      background: $white;
      box-shadow: inset 0 0 0 1px #eee;

      p:last-of-type {
        margin-bottom: 0;
      }

      .shortform {
        margin-bottom: .6em;
      }

      a.full {
        @include position(absolute, 0 0 1px 0);
        box-sizing: border-box;

        display: block;
        padding: ($baseline/5);
        background: $gray-l4;
        text-align: right;
        font-size: 1em;

        &.full-top {
          @include position(absolute, 1px 0 auto 0);
        }

        &.full-bottom {
          @include position(absolute, auto 0 1px 0);
        }
      }
    }
  }

  .external-grader-message {
    section {
      padding-top: ($baseline*1.5);
      padding-left: $baseline;
      background-color: #fafafa;
      color: #2c2c2c;
      font-size: 1em;
      font-family: monospace;

      header {
        font-size: 1.4em;
      }

      .shortform {
        @extend %t-strong;
      }

      .longform {
        margin: 0;
        padding: 0;

        .result-errors {
          margin: ($baseline/4);
          padding: ($baseline/2) ($baseline/2) ($baseline/2) ($baseline*2);
          background: url('#{$static-path}/images/incorrect-icon.png') center left no-repeat;

          li {
            color: #b00;
          }
        }

        .result-output {
          margin: $baseline/4;
          padding: $baseline 0 ($baseline*0.75) 50px;
          border-top: 1px solid #ddd;
          border-left: $baseline solid #fafafa;

          h4 {
            font-size: 1em;
            font-family: monospace;
          }

          dl {
            margin: 0;
          }

          dt {
            margin-top: $baseline;
          }

          dd {
            margin-left: 24pt;
          }
        }

        .result-correct {
          background: url('#{$static-path}/images/correct-icon.png') left 20px no-repeat;

          .result-actual-output {
            color: #090;
          }
        }

        .result-partially-correct {
          background: url('#{$static-path}/images/partially-correct-icon.png') left 20px no-repeat;

          .result-actual-output {
            color: #090;
          }
        }

        .result-incorrect {
          background: url('#{$static-path}/images/incorrect-icon.png') left 20px no-repeat;

          .result-actual-output {
            color: #b00;
          }
        }

        .markup-text{
          margin: ($baseline/4);
          padding: $baseline 0 15px 50px;
          border-top: 1px solid #ddd;
          border-left: 20px solid #fafafa;

          bs {
            color: #b00;
          }

          bg {
            color: #bda046;
          }
        }
      }
    }
  }
}


// +Problem - Rubric
// ====================
div.problem {
  .rubric {
    tr {
      margin: ($baseline/2) 0;
      height: 100%;
    }

    td {
      margin: ($baseline/2) 0;
      padding: $baseline 0;
      height: 100%;
    }

    th {
      margin: ($baseline/4);
      padding: ($baseline/4);
    }

    label,
    .view-only {
      position: relative;
      display: inline-block;
      margin: 3px;
      padding: ($baseline*0.75);
      min-width: 50px;
      min-height: 50px;
      width: 150px;
      height: 100%;
      background-color: $gray-l3;
      font-size: .9em;
    }

    .grade {
      position: absolute;
      right: 0;
      bottom: 0;
      margin: ($baseline/2);
    }

    .selected-grade {
      background: #666;
      color: white;
    }

    input[type=radio]:checked + label {
      background: #666;
      color: white;
    }

    input[class='score-selection'] {
      display: none;
    }
  }
}

// +Problem - Annotation
// ====================
div.problem {
  .annotation-input {
    margin: 0 0 1em 0;
    border: 1px solid $gray-l3;
    border-radius: 1em;

    .annotation-header {
      @extend %t-strong;

      padding: .5em 1em;
      border-bottom: 1px solid $gray-l3;
    }

    .annotation-body { padding: .5em 1em; }

    a.annotation-return {
      float: right;
      font: inherit;
      font-weight: normal;
    }

    a.annotation-return::after { content: " \2191" }

    .block, ul.tags {
      margin: .5em 0;
      padding: 0;
    }

    .block-highlight {
      padding: .5em;
      border: 1px solid darken($annotation-yellow, 10%);
      background-color: $annotation-yellow;
      color:  #333;
      font-style: normal;
    }

    .block-comment { font-style: italic; }

    ul.tags {
      display: block;
      margin-left: 1em;
      list-style-type: none;

      li {
        position: relative;
        display: block;
        margin: 1em 0 0 0;

        .tag {
          @extend %ui-fake-link;

          display: inline-block;
          margin-left: ($baseline*2);
          border: 1px solid rgb(102,102,102);

          &.selected {
            background-color: $annotation-yellow;
          }
        }

        .tag-status {
          position: absolute;
          left: 0;
        }
        .tag-status, .tag { padding: .25em .5em; }
      }
    }

    textarea.comment {
      $num-lines-to-show: 5;
      $line-height: 1.4em;
      $padding: .2em;

      padding: $padding (2 * $padding);
      width: 100%;
      height: ($num-lines-to-show * $line-height) + (2*$padding) - (($line-height - 1)/2);
      line-height: $line-height;
    }

    .answer-annotation { display: block; margin: 0; }

    /* for debugging the input value field. enable the debug flag on the inputtype */
    .debug-value {
      margin: 1em 0;
      padding: 1em;
      border: 1px solid $black;
      background-color: #999;
      color: $white;

      input[type="text"] { width: 100%; }

      pre { background-color: $gray-l3; color: $black; }

      &::before {
        @extend %t-strong;

        display: block;
        content: "debug input value";
        font-size: 1.5em;
      }
    }
  }
}

// +Problem - Choice Text Group
// ====================
div.problem {
  .choicetextgroup {
    @extend %choicegroup-base;

    input[type="text"]{
      margin-bottom: 0.5em;
    }

    label.choicetextgroup_correct, section.choicetextgroup_correct {
      @extend label.choicegroup_correct;

      input[type="text"] {
        border-color: $correct;
      }
    }

    label.choicetextgroup_partially-correct, section.choicetextgroup_partially-correct {
      @extend label.choicegroup_partially-correct;

      input[type="text"] {
        border-color: $partially-correct;
      }
    }

    label.choicetextgroup_incorrect, section.choicetextgroup_incorrect {
      @extend label.choicegroup_incorrect;
    }

    label.choicetextgroup_submitted, section.choicetextgroup_submitted {
      @extend label.choicegroup_submitted;
    }

    label.choicetextgroup_show_correct, section.choicetextgroup_show_correct {
      &::after {
        @include margin-left($baseline*0.75);

        content: url('#{$static-path}/images/correct-icon.png');
      }
    }

    span.mock_label {
      cursor : default;
    }
  }
}

// +Problem - Image Input Overrides
// ====================

// NOTE: temporary override until image inputs use same base html structure as other common capa input types.
div.problem .imageinput.capa_inputtype {
  .status {
    display: inline-block;
    position: relative;
    top: 3px;
    width: 25px;
    height: 20px;

    &.unsubmitted,
    &.unanswered {
      .status-icon {
        content: '';
      }

      .status-message {
        display: none;
      }
    }
  }

  .correct {
    @include status-icon($correct, $checkmark-icon);
  }

  .incorrect {
    @include status-icon($incorrect, $cross-icon);
  }

  .partially-correct {
    @include status-icon($partially-correct, $asterisk-icon);
  }

  .submitted {
    content: '';
  }
}

// +Problem - Annotation Problem Overrides
// ====================

// NOTE: temporary override until annotation problem inputs use same base html structure as other common capa input types.
div.problem .annotation-input {
  .tag-status {
    display: inline-block;
    position: relative;
    top: 3px;
    width: 25px;
    height: 20px;

    &.unsubmitted,
    &.unanswered {
      .status-icon {
        content: '';
      }

      .status-message {
        display: none;
      }
    }
  }

  .correct {
    @include status-icon($correct, $checkmark-icon);
  }

  .incorrect {
    @include status-icon($incorrect, $cross-icon);
  }

  .partially-correct {
    @include status-icon($partially-correct, $asterisk-icon);
  }

  .submitted {
    content: '';
  }
}

// Loading Spinner
// ====================
.problems-wrapper .loading-spinner {
  text-align: center;
  color: $gray-d1;
}