insomnia/app/css/components/editor.scss

@import '../constants/colors';
@import '../constants/dimensions';
@import '../constants/fonts';

.editor {
  box-sizing: border-box;
  height: 100% !important;
  width: 100%;

  .CodeMirror {
    height: 100% !important;
    width: 100%;
    font-family: $font-monospace;
    box-sizing: border-box;
    padding-top: $padding-sm;
  }

  .CodeMirror,
  .cm-s-seti.CodeMirror, // Hack because seti theme is dumb
  .CodeMirror-gutters,
  .CodeMirror-scrollbar-filler,
  .CodeMirror-gutter-filler {
    // Let the background behind show through
    background-color: transparent !important;
    border: 0;
  }

  .CodeMirror-linenumber, .CodeMirror-guttermarker-subtle {
    color: $hl-xl !important;
  }

  .CodeMirror-scroll {
    cursor: text; // Show text cursor everywhere (not just in .Codemirror-lines)
  }

  .CodeMirror-lines {
    // Scroll past the end
    padding-bottom: 50px;
  }

  .CodeMirror-placeholder {
    color: $hl-xxl;
  }

  .CodeMirror-lint-marker-error {
    width: 100%;
    height: 1em;
    display: flex;
    background: none;
    text-align: center;

    &::after {
      color: darken($danger, 10);
      text-align: center;
      width: 100%;
      font-size: 0.7em; // because the circle is so large
      content: '⬤';
    }
  }

  &.editor--readonly .CodeMirror-cursors,
  &.editor--readonly .CodeMirror-activeline-background {
    opacity: 0;
  }
}

// This has to be outside because it's moved to the body element
.CodeMirror-lint-tooltip {
  background-color: $bg-light;
  color: $font-light-bg;
  border-radius: 0;
  font-size: $font-size-md;
  padding: $padding-xs $padding-sm;

  .CodeMirror-lint-message-error {
    background-image: none;
    padding-left: 0;
  }
  &::after {
    display: none;
  }
}

/* Based on Sublime Text's Monokai theme */
.editor:not(.editor--light-theme) {
  .cm-s-default.CodeMirror {
    color: #f8f8f2;
  }

  .cm-s-default div.CodeMirror-selected {
    //background: #49483E;
    background: $hl-xl;
  }

  .cm-s-default .CodeMirror-line::selection, .cm-s-default .CodeMirror-line > span::selection, .cm-s-default .CodeMirror-line > span > span::selection {
    //background: rgba(73, 72, 62, .99);
  }

  .cm-s-default .CodeMirror-line::-moz-selection, .cm-s-default .CodeMirror-line > span::-moz-selection, .cm-s-default .CodeMirror-line > span > span::-moz-selection {
    //background: rgba(73, 72, 62, .99);
  }

  .cm-s-default .CodeMirror-gutters {
    //background: #272822;
    border-right: 0px;
  }

  .cm-s-default .CodeMirror-guttermarker {
    color: white;
  }

  .cm-s-default .CodeMirror-guttermarker-subtle {
    color: #d0d0d0;
  }

  .cm-s-default .CodeMirror-linenumber {
    color: #d0d0d0;
  }

  .cm-s-default .CodeMirror-cursor {
    border-left: 1px solid #f8f8f0;
  }

  .cm-s-default span.cm-comment {
    color: #75715e;
  }

  .cm-s-default span.cm-atom {
    color: lighten($surprise, 5);
  }

  .cm-s-default span.cm-number {
    color: lighten($surprise, 5);
  }

  .cm-s-default span.cm-property, .cm-s-default span.cm-attribute {
    color: lighten($success, 5);
  }

  .cm-s-default span.cm-keyword {
    color: #f92672;
  }

  .cm-s-default span.cm-builtin {
    color: #66d9ef;
  }

  .cm-s-default span.cm-string {
    color: lighten($notice, 5);
  }

  .cm-s-default span.cm-variable {
    color: #f8f8f2;
  }

  .cm-s-default span.cm-variable-2 {
    color: #9effff;
  }

  .cm-s-default span.cm-variable-3 {
    color: #66d9ef;
  }

  .cm-s-default span.cm-def {
    color: #fd971f;
  }

  .cm-s-default span.cm-bracket {
    color: #f8f8f2;
  }

  .cm-s-default span.cm-tag {
    color: #f92672;
  }

  .cm-s-default span.cm-header {
    color: lighten($surprise, 5);
  }

  .cm-s-default span.cm-link {
    color: lighten($surprise, 5);
  }

  .cm-s-default span.cm-error {
    background: #f92672;
    color: #f8f8f0;
  }

  .cm-s-default .CodeMirror-activeline-background {
    background: $hl-md;
  }

  .cm-s-default .CodeMirror-matchingbracket {
    text-decoration: underline;
    color: white !important;
  }
}

.editor--light-theme {
  .cm-s-default span {
    color: $hl;
  }

  .cm-s-default span.cm-string {
    color: saturate(darken($notice, 30), 100);
  }

  .cm-s-default span.cm-property, .cm-s-default span.cm-attribute {
    color: saturate(darken($success, 15), 100);
  }

  .cm-s-default span.cm-atom,
  .cm-s-default span.cm-number {
    color: saturate(darken($surprise, 30), 100);
  }

  .cm-s-default .CodeMirror-activeline-background {
    background: $hl-md;
  }

  .cm-s-default .CodeMirror-matchingbracket {
    text-decoration: underline;
  }
}