@background-blue: #e7f1ff;
@background-gray: #a8a8a8;
@background-gray-hint: #fafafa;
@dark-green: #008766;
@dark-gold: #A66900;
@dark-purple: #762cff;
@dark-blue: #284694;
@dark-gray: gray;
@dark-skyblue: #007CC2;
@medium-gray: #999;
@light-purple: #616cdb;
@light-blue: lightblue;
@light-gray: #efeef1;
@yellow: yellow;
@text-color: #222;
@text-color-muted: #8f8f8f;

#--re-frame-trace-- {

  all: initial;

  * {
    all: unset;
  }

  /*! abridged from normalize.css v7.0.0 | MIT License | github.com/necolas/normalize.css */

  line-height: 1.15;

  div,
  nav {
    display: block;
  }

  pre {
    font-family: monospace, monospace;
    font-size: 1em;
  }

  /* Text-level semantics
     ========================================================================== */

  a, a:visited {
    color: @text-color;
    border-bottom: 1px #333 dotted;
  }
  a:hover, a:focus {
    border-bottom: 1px #666666 solid;
  }

  code {
    font-family: monospace, monospace;
    font-size: 1em;
  }

  small {
    font-size: 80%;
  }

  // Prevent `sub` and `sup` elements from affecting the line height
  sub,
  sup {
    font-size: 75%;
    line-height: 0;
    position: relative;
    vertical-align: baseline;
  }

  sub {
    bottom: -0.25em;
  }

  sup {
    top: -0.5em;
  }

  /* Embedded content
     ========================================================================== */

  img {
    border-style: none;
  }


  /* Forms
     ========================================================================== */

  option {
    display: block;
  }

  button,
  input,
  optgroup,
  select,
  textarea {
    font-family: "courier new", monospace;
    font-size: 100%;
    // line-height: 1.15;
    padding: 3px 3px 1px 3px;
    border: 1px solid @medium-gray;
  }

  button, // Show the overflow in IE.
  input { // Show the overflow in Edge.
    overflow: visible;
  }

  button,
  select {
    &:focus {
      outline: @medium-gray dotted 1px;
    }
  }

  /**
   * 1. Prevent a WebKit bug where (2) destroys native `audio` and `video`
   *    controls in Android 4.
   * 2. Correct the inability to style clickable types in iOS and Safari.
   */

  button,
  html [type="button"], /* 1 */
  [type="reset"],
  [type="submit"] {
    -webkit-appearance: button; /* 2 */
  }

  // Restore the focus styles unset by the previous rule.
  button:-moz-focusring,
  [type="button"]:-moz-focusring,
  [type="reset"]:-moz-focusring,
  [type="submit"]:-moz-focusring {
    outline: 1px dotted ButtonText;
  }

  textarea {
    overflow: auto; // Remove the default vertical scrollbar in IE.
  }

  [type="checkbox"],
  [type="radio"] {
    box-sizing: border-box; // IE 10-
  }

  // Correct the cursor style of increment and decrement buttons in Chrome.
  [type="number"]::-webkit-inner-spin-button,
  [type="number"]::-webkit-outer-spin-button {
    height: auto;
  }

  [type="search"] {
    -webkit-appearance: textfield; // Correct the odd appearance in Chrome and Safari.
    outline-offset: -2px; // Correct the outline style in Safari.
  }

  ::-webkit-file-upload-button {
    -webkit-appearance: button; // Correct the inability to style clickable types in iOS and Safari.
  }


  /* Hidden
     ========================================================================== */

  /**
   * Add the correct display in IE 10-.
   */

  [hidden] {
    display: none;
  }

  li {
    display: block;
  }
  button {
    overflow: visible;
    border: 0;
    -webkit-font-smoothing: inherit;
    letter-spacing: inherit;
    background: none;
    cursor: pointer;
  }
  img {
    max-width: 100%;
    height: auto;
    border: 0;
  }

  // tables

  table,
  thead,
  tbody,
  tfoot,
  tr,
  th,
  td {
    display: block;
    width: auto;
    height: auto;
    margin: 0;
    padding: 0;
    border: none;
    border-collapse: collapse;
    border-spacing: 0;
    border-color: inherit;
    vertical-align: inherit;
    text-align: left;
    font-weight: inherit;
    -webkit-border-horizontal-spacing: 0;
    -webkit-border-vertical-spacing: 0;
  }
  table {
    display: table;
  }
  th, td {
    display: table-cell;
    padding: 0 5px;
  }
  tr {
    display: table-row;
  }
  thead {
    display: table-header-group;
  }
  tbody {
    display: table-row-group;
  }
  th, td {
    display: table-cell;
  }
  tr {
    display: table-row;
  }


  /* re-frame-trace styles
     ========================================================================== */


  background: white;
  font-family: 'courier new', monospace;
  color: @text-color;

  /* mixins */
  .label {
    color: @text-color-muted;
    background: @background-gray-hint;
    border: 1px solid @light-gray;
    font-size: 0.9em;
    margin: 10px 5px;
    color: @text-color;
  }

  table {
    width: 100%;
    font-size: 14px;
  }
  tbody {
    color: @text-color;
  }
  thead {
    font-weight: bold;
  }

  tr {
    th, td {
      padding: 6px;
    }

    th:first-child {
      text-align: right;
    }

    &.trace--trace {
    }

    &:nth-child(even) {
      background: @background-gray-hint;
    }

    &.trace--sub-create {
      .trace--op{
        color: @dark-green;
      }
    }
    &.trace--sub-run {
      .trace--op{
        color: @dark-purple;
      }
    }
    &.trace--event {
      .trace--op{
        color: @dark-gold;
      }
    }
    &.trace--render {
      .trace--op{
        color: @dark-skyblue;
      }
    }
    &.trace--fsm-trigger {
      .trace--op{
        color: @dark-blue;
      }
    }
    &.trace--details {
      color: @text-color-muted;

      &:hover,
      &:focus {
        color: darken(@text-color-muted, 20);

        .trace--details-icon:before {
          color: @text-color;
          cursor: pointer;
          content: "🖶";
        }
      }

      &:focus {
        .trace--details-tags-text {
          border-left: 1px dotted @medium-gray;
          padding-left: 7px;
        }
      }
    }

    td {
      &.trace--toggle {
        color: @background-gray;
        padding: 0;
        text-align: right;

        button:focus {
          color: @text-color;
          outline: none;
        }
      }
      &.trace--op {
        color: @text-color-muted;
        padding-left: 0;
        white-space: nowrap;
      }
      &.trace--op-string {
        word-break: break-all;
      }
      &.trace--details-tags {
        padding: 0;
        cursor: pointer;

        .trace--details-tags-text {
          padding: 8px 5px;
          padding-left: 8px;
          margin-bottom: 5px;
        }
      }
      &.trace--meta {
        color: @text-color-muted;
        white-space: nowrap;
        text-align: right;
      }
      .op-string {
        cursor: pointer;
        padding: 1px;

        &:hover {
          border-bottom: 1px dotted @light-purple;
          padding-bottom: 0;
        }
      }
    }

    &:hover {
      .trace--toggle {
        color: @text-color;
      }
    }

    th, td {
      &:first-child {
        padding-left: 7px;
      }
      &:last-child {
        padding-right: 7px;
      }
    }
  }
  .button {
    padding: 5px 5px 3px;
    margin: 5px;
    border-radius: 2px;
    cursor: pointer;
  }
  .text-button {
    border-bottom: 1px dotted #888;
    font-weight: normal;
    &:focus {
      outline: @medium-gray dotted 1px;
    }
  }
  .icon-button {
    font-size: 10px;
  }
  button.tab {

  }
  .tab {
    background: transparent;
    border-radius: 0;
    text-transform: uppercase;
    font-family: monospace;
    letter-spacing: 2px;
    margin-bottom: 0;
    padding-bottom: 4px;
    vertical-align: bottom;
  }
  .tab.active {
    background: transparent;
    border-bottom: 3px solid @dark-gray;
    border-radius: 0;
    padding-bottom: 1px;
  }
  ul.filter-items,
  .subtrees {
    list-style-type: none;
    margin: 0 5px;

    .filter-item,
    .subtree-button {
      .label;
      display: inline-block;

      .filter-item-string {
        color: @text-color;
        background: @yellow;
      }

      .subtree-button-string {
        color: @text-color;
      }

      &:hover,
      &:focus {
        text-decoration: line-through;
      }
    }
  }
  .icon {
    display: inline-block;
    width: 1em;
    height: 1em;
    stroke-width: 0;
    stroke: currentColor;
    fill: currentColor;
  }
  .icon-remove {
    margin-left: 10px;
  }
  .filter {
    box-shadow: -7px 15px 6px -15px rgba(0, 0, 0, 0.3);
    z-index: 1001;

    .filter-control {
      select {
        border: none;
        border-bottom: 1px solid @text-color-muted;
        background: white;
        display: inline-block;
        font-family: 'courier new', monospace;
        font-size: 1em;
        padding: 2px 0 0 0;
        -moz-appearance: menulist;
        -webkit-appearance: menulist;
        appearance: menulist;
      }
      .filter-control-input {
        border-bottom: 1px solid @text-color-muted;
        display: inline-block;

        &:before {
          display: inline-block;
          color: @text-color-muted;
          content: "⚲";
          transform: rotate(-45deg);
        }
        input {
          border: none;
        }
      }
    }
  }
  .nav {
    background: @light-gray;
    color: @text-color;
  }
  .panel-content-top {
  }
  .panel-content-scrollable {
    padding-top: 10px;
    flex: 1 1 auto;
    height: 100%;
    overflow: auto;
    padding-top: 10px;
    z-index: 1000;
  }
  .tab-contents {
    display: flex;
    flex: 1 1 auto;
    flex-direction: column;
  }
  .filter-control {
    margin: 10px 0 0 10px;
  }

  .filter-items-count {
    &.active {
      background: @yellow;

      &:hover {
        text-decoration: line-through;
      }
    }
  }
  .filter-fields {
    margin-top: 10px;
  }
  .filter-category {
    display: inline-block;
    background: #efeef1;
    cursor: pointer;
    padding: 5px;
    margin: 5px;
    opacity: 0.3;
  }
  .active {
    opacity: 1;
  }

  /* app-state data viewer
     ========================================================================== */

  .re-frame-trace--object {
    .toggle {
      color: @text-color-muted;
      cursor: pointer;
    }
    & > span {
      vertical-align: text-top;
    }
  }
}