:root {
  --header-narrow-min-height: 12em;
  --match-highlighter-alpha-15: hsla(193, 99%, 38%, .15);
  --regexp-report-mark-alpha-5: hsla(60, 100%, 50%, .5);
  --section-label-highlight: hsl(60, 100%, 80%);
  --cm-activeline-bg: hsl(180, 22%, 88%);
  --darkgreen: hsl(120, 100%, 20%);
  --global-progress: hsla(180, 66%, 36%, .25);
  --beautify-select-gradient-left: hsla(0, 0%, 0%, .07);
  --beautify-select-gradient-right: hsla(0, 0%, 0%, .05);
}

body {
  display: flex;
  margin: 0;
  font: 12px arial,sans-serif;
}

#global-progress {
  position: fixed;
  height: 4px;
  top: 0;
  left: 0;
  right: 0;
  background-color: var(--global-progress);
  border-left: 0 solid var(--darkcyan);
  z-index: 2147483647;
  opacity: 0;
  transition: opacity 2s;
}
#global-progress[title] {
  opacity: 1;
}

.hidden {
  display: none !important;
}

/************ checkbox & select ************/
.options-column > div[class="option"] {
  margin-bottom: 4px;
}

.options-column > .usercss-only {
  margin-bottom: .75rem;
}

label {
  padding-left: 16px;
  position: relative;
}

/************ header ************/
#header {
  width: 280px;
  height: 100vh;
  overflow: auto;
  position: fixed;
  top: 0;
  padding: 1rem;
  border-right: 1px dashed var(--gray-lightness-66);
  -webkit-box-shadow: 0 0 3rem -1.2rem var(--black);
  box-shadow: 0 0 3rem -1.2rem var(--black);
  box-sizing: border-box;
  z-index: 10;
  display: flex;
  flex-direction: column;
}
#header h1 {
  margin-top: 0;
}
#sections {
  flex-grow: 1;
  padding-left: 280px;
}
#sections h2 {
  margin-top: 1rem;
  margin-left: 1.7rem;
}
.aligned {
  display: table-row;
}
.aligned > *:not(.svg-inline-wrapper) {
  display: table-cell;
  margin-top: 0.1rem;
  min-height: 1.4rem;
}

/* basic info */
#basic-info {
  margin-bottom: 1rem;
}
#name {
  width: 100%;
}
#basic-info-name {
  display: flex;
  align-items: center;
}
#url {
  margin-left: 0.25rem;
}
#url:not([href^="http"]) {
  display: none;
}

#basic-info-enabled {
  margin-top: 2px;
  display: flex;
  align-items: center;
  line-height: 16px;
}

#basic-info-enabled > * {
  margin-right: 1em;
  margin-left: 0;
}

#basic-info-enabled > :last-child {
  margin-right: 0;
}

#basic-info-enabled input,
#basic-info-enabled svg {
  margin: auto 0;
  bottom: 0;
}

#basic-info-enabled svg {
  left: 2px;
}

#preview-errors {
  background-color: red;
  color: var(--white);
  padding: 0 6px;
  border-radius: 9px;
  margin-left: -.5em;
  font-weight: bold;
  cursor: pointer;
}

.svg-icon {
  cursor: pointer;
  vertical-align: middle;
  transition: fill .5s;
  width: 16px;
  height: 16px;
}
.svg-inline-wrapper {
  margin-left: .2rem;
  display: inline-block;
  vertical-align: middle;
}
#mozilla-format-heading .svg-inline-wrapper {
  margin-left: 0;
}
#colorpicker-settings.svg-inline-wrapper {
  margin: -2px 0 0 .1rem;
}
.svg-inline-wrapper.applies-to-help {
  margin: 0 0 0 .25rem;
}
.aligned .svg-inline-wrapper {
  margin: -2px 0 0 .3rem;
}
#sections-help {
  margin-left: -1px;
}
.svg-icon.info {
  width: 14px;
  height: 16px;
}
.svg-icon:hover,
.svg-icon.info,
.svg-icon.settings {
  fill: var(--gray-lightness-40);
}
.svg-icon,
.svg-icon.info:hover,
.svg-icon.settings:hover {
  fill: var(--black);
}
#options span .svg-icon {
  margin-top: -3px; /* inline info and config icons */
}
input:invalid {
  background-color: var(--truegray-alpha-05);
  color: var(--darkred);
}
#enabled {
  margin-left: 0;
}
/* collapsibles */
#header summary {
  align-items: center;
  margin-left: -13px;
  cursor: pointer;
  margin-top: .5rem;
  margin-bottom: .5rem;
}

#header summary h2 {
  display: inline-block;
  border-bottom: 1px dotted transparent;
  margin-top: .1em;
  margin-bottom: .1em;
}

#header summary:hover h2 {
  border-color: var(--truegray-alpha-7);
}

#header summary svg {
  margin-top: -3px;
}

#actions > * {
  display: inline-flex;
  flex-wrap: wrap;
}

#mozilla-format-container {
  flex-direction: column;
}

#mozilla-format-buttons {
  display: flex;
  flex-wrap: wrap;
}

#actions > div > a {
  height: min-content;
}

#actions button,
#actions > div > a {
  margin: 0 .2rem .5rem 0;
}

#actions #cancel-button {
  margin: 0;
}

#options:not([open]) + #lint h2 {
  margin-top: 0;
}
#lint:not([open]) h2 {
  margin-bottom: 0;
}
/* options */
#options [type="number"] {
  width: 3.5em;
  text-align: left;
  padding-left: .25em;
}
#options .option.aligned > label {
  padding: .1rem .25rem 0 0;
  vertical-align: middle;
}
.set-option-progress {
  position: absolute;
  background-color: currentColor;
  content: "";
  opacity: .15;
}
/* footer */
.usercss #footer {
  display: block;
  margin-top: 1em;
  margin-bottom: .5em;
}
#lint:not([open]) + #footer {
  margin-top: 4em;
}
/************ content ***********/
#sections > * {
  margin: 0.7rem;
  padding: 1rem 1rem .3rem;
}
#sections > *:first-child {
  padding: 0 1rem .3rem;
}
#sections > *:not(:first-child) {
  border-top: 2px solid var(--truegray-alpha-3);
}
.add-section:after {
  content: attr(short-text);
}
#sections > div:only-of-type .add-section:after {
  content: attr(long-text);
}
#sections > div:only-of-type .remove-section {
  display: none;
}
.edit-actions {
  display: flex;
  flex-wrap: wrap;
}
.edit-actions button {
  margin: 0 .2rem .5rem 0;
}
.dirty > label::before {
  content: "*";
  font-weight: bold;
}
#sections {
  counter-reset: codebox;
}
#sections > .section > label {
  animation: 2s highlight;
  animation-play-state: paused;
  animation-direction: reverse;
  animation-fill-mode: both;
}
#sections > .section > label::after {
  counter-increment: codebox;
  content: counter(codebox);
  margin-left: 0.25rem;
}
.section:only-of-type .move-section-up,
.section:only-of-type .move-section-down {
  display: none;
}
.move-section-up:after {
  content: "";
  display: block;
  border-style: solid;
  border-width: 0 .3em .5em .3em;
  border-color: transparent transparent currentColor transparent;
}
.move-section-down:after {
  content: "";
  display: block;
  border-style: solid;
  border-width: .5em .3em 0 .3em;
  border-color: currentColor transparent transparent transparent;
}
/* code */
.code {
  height: 10rem;
  width: 40rem;
}
.resize-grip-enabled .CodeMirror-scroll {
  height: auto !important;;
  position: absolute !important;
  top: 0;
  left: 0;
  right: 0;
  bottom: 6px; /* resize-grip height */
}
.resize-grip-enabled .CodeMirror-vscrollbar {
  margin-bottom: 7px; /* make space for resize-grip */
}
.resize-grip-enabled .CodeMirror-hscrollbar {
  bottom: 7px; /* make space for resize-grip */
}
.resize-grip-enabled .CodeMirror-scrollbar-filler {
  bottom: 7px; /* make space for resize-grip */
}
.CodeMirror-vscrollbar,
.CodeMirror-hscrollbar {
  outline: 0;
}
body[data-match-highlight="token"]:not(.find-open) .cm-matchhighlight-approved .cm-matchhighlight,
body[data-match-highlight="token"]:not(.find-open) .cm-matchhighlight-approved .CodeMirror-selection-highlight-scrollbar {
  animation: fadein-match-highlighter 1s cubic-bezier(.97,.01,.42,.98);
  animation-fill-mode: both;
}
body[data-match-highlight="selection"]:not(.find-open) .cm-matchhighlight,
body[data-match-highlight="selection"]:not(.find-open) .CodeMirror-selection-highlight-scrollbar {
  background-color: var(--match-highlighter-alpha-15);
}

@-webkit-keyframes highlight {
  from {
    background-color: var(--section-label-highlight);
  }
  to {
    background-color: inherit;
  }
}
@keyframes fadein {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}
@keyframes fadein-match-highlighter {
  from { background-color: transparent; }
  to   { background-color: var(--match-highlighter-alpha-15); }
}
.resize-grip {
  position: absolute;
  display: block;
  height: 6px;
  content: "";
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 9;
  cursor: n-resize;
  background-color: inherit;
  border-top-width: 1px;
  border-top-style: solid;
  border-top-color: inherit;
}
.resize-grip:after {
  content: "";
  bottom: 2px;
  left: 0;
  right: 0;
  margin: 0 8px;
  display: block;
  position: absolute;
  border-top-width: 2px;
  border-top-style: dotted;
  border-top-color: inherit;
}
/* applies-to */
.applies-to {
  display: flex;
  align-items: flex-start;
  min-height: 30px;
  flex-wrap: wrap;
}
.applies-to label {
  display: flex;
  padding: 0;
  height: 22px;
  align-items: center;
  margin: 0 .35em 0 0;
  white-space: nowrap;
}
.applies-to ul {
  flex: auto;
  flex-grow: 1;
  margin: 0;
  padding: 0;
}
.applies-to li {
  display: flex;
  flex-wrap: wrap;
  list-style-type: none;
  align-items: center;
}
.applies-to li.applies-to-everything {
  align-items: unset;
  line-height: 22px;
}
.applies-to li > input {
  min-height: 1.4rem;
}
.applies-to li:not(.applies-to-everything) > * {
  margin: 0 .2rem .5rem 0;
}
.applies-to li .add-applies-to:first-child {
  margin-left: 1rem;
}
.applies-to li .applies-value-wrapper {
  flex-grow: 1;
  display: flex;
}
.applies-to li .applies-value {
  flex-grow: 1;
  padding-left: 0.2rem;
}
.applies-to img {
  vertical-align: bottom;
}
.add-applies-to,
.remove-applies-to {
  font-size: 0;
  height: 22px;
  width: 22px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}
.add-applies-to .svg-icon,
.remove-applies-to .svg-icon {
  pointer-events: none;
  fill: var(--gray-lightness-60);
  height: 12px;
  width: 12px;
}
.add-applies-to:hover .svg-icon,
.remove-applies-to:hover .svg-icon {
  pointer-events: none;
  fill: var(--black);
}
.test-regexp {
  display: none;
}
.has-regexp .test-regexp {
  display: inline-block;
}
.regexp-report summary {
  cursor: pointer;
}
.regexp-report mark {
  background-color: var(--regexp-report-mark-alpha-5);
}
.regexp-report details {
  margin-left: 1rem;
  word-break: break-all;
}
.regexp-report details:not(:last-child) {
  margin-bottom: 1rem;
}
.regexp-report summary {
  font-weight: bold;
  margin-left: -1rem;
  margin-bottom: .5rem;
  cursor: default;
  overflow-wrap: break-word;
}
.regexp-report details[data-type="full"] {
  color: var(--darkgreen);
}
.regexp-report details[data-type="partial"] {
  color: var(--truegray-alpha-6);
}
.regexp-report details[data-type="invalid"] {
  color: maroon;
}
.regexp-report details details {
  margin-left: 2rem;
  margin-top: .5rem;
}
.regexp-report .svg-icon {
  position: absolute;
  margin-top: -1px;
}
.regexp-report details a {
  color: inherit;
  text-decoration: none;
  display: block;
  cursor: pointer;
}
.regexp-report details a:hover {
  text-decoration: underline;
  text-decoration-skip: ink;
}
.regexp-report details a img {
  width: 16px;
  max-height: 16px;
  position: absolute;
  margin-left: -20px;
  margin-top: -1px;
}
.regexp-report-note {
  color: var(--truegray);
  position: absolute;
  margin: 0 0.5rem 0 0;
  hyphens: auto;
}
/************ help popup ************/
#help-popup {
  top: 3rem;
  right: 3rem;
  max-width: 50vw;
  position: fixed;
  display: none;
  box-shadow: 3px 3px 30px var(--black-alpha-5);
  padding: 0.5rem;
  z-index: 99;
}
#help-popup.big,
#help-popup.wide {
  max-width: 100%;
}
#help-popup.big {
  box-shadow: var(--black-alpha-5) 0px 0px 0px 100000px !important;
  left: calc(280px - 3rem);
}
#help-popup.big .CodeMirror {
  min-height: 2rem;
  height: 70vh;
}
#help-popup .title {
  font-weight: bold;
  background-color: var(--truegray-alpha-15);
  margin: -0.5rem -0.5rem 0.5rem;
  padding: .5rem 32px .5rem .5rem;
}
#help-popup .contents {
  max-height: calc(100vh - 8rem);
  overflow-y: auto;
}
#help-popup .settings {
  min-width: 500px;
  min-height: 200px;
  max-width: 48vw;
}
#help-popup .dismiss {
  position: absolute;
  right: 4px;
  top: .5em;
}

.keymap-list {
  font-size: 12px;
  border-spacing: 0;
  word-break: break-all;
}
.keymap-list input {
  background-color: var(--main-bg);
  border: 1px solid var(--truegray-alpha-6);
  width: 100%;
}
.keymap-list tr:nth-child(odd) {
  background-color: var(--truegray-alpha-1);
}
.keymap-list td:first-child {
  white-space: nowrap;
  font-family: monospace;
  padding-right: 0.5rem;
}

#help-popup .buttons {
  text-align: center;
}
.non-windows #help-popup .buttons {
  direction: rtl;
  text-align: right;
}
#help-popup button[name^="import"] {
  line-height: 1.5rem;
  padding: 0 0.5rem;
  margin: 0.5rem 0 0 0.5rem;
  pointer-events: none;
  opacity: 0.5;
}
#help-popup.ready button[name^="import"] {
  pointer-events: all;
  opacity: 1.0;
}
#help-popup .rules {
  padding: 0 15px;
}
#help-popup button {
  margin-right: 3px;
}

/************ lint ************/
#lint {
  overflow-y: auto;
  overflow-x: hidden;
  }
#lint > summary {
  /* workaround for overflow:auto to show the toggle triangle */
  position: absolute;
}
#lint > div {
  margin-top: 2.75rem;
}
#lint table {
  font-size: 100%;
  border-spacing: 0;
  margin-bottom: 1rem;
  line-height: 1.0;
}
#lint table:last-child {
  margin-bottom: 0;
}
#lint caption {
  text-align: left;
  font-weight: bold;
}
#lint tbody {
  font-size: 85%;
  cursor: pointer;
}
#lint tr:hover {
  background-color: var(--black-alpha-1);
}
#lint td[role="severity"] {
  font-size: 0;
  width: 16px;
}
#lint td[role="line"], #lint td[role="sep"] {
  text-align: right;
  padding-right: 0;
}
#lint td[role="col"] {
  text-align: left;
  padding-right: 0.25rem;
}
#lint td[role="message"] {
  text-align: left;
  white-space: nowrap;
}
#message-box.center.lint-config #message-box-contents {
  text-align: left;
}

/************ CSS beautifier ************/
.beautify-options {
  white-space: nowrap;
}
.beautify-options div {
  float: left;
  display: flex;
  align-items: center;
}
.beautify-options div[newline="true"] + div {
  clear: left;
}
.beautify-options div[newline="true"] + div span[indent] {
  padding-left: 2rem;
}
.beautify-options > label {
  top: 1em;
  margin: 1ex 0;
}
.beautify-options:after {
  clear: both;
  display: block;
  content: "";
  height: 1rem;
}
.beautify-options span {
  font-weight: bold;
  font-family: monospace;
}
.beautify-options select {
  border: none;
  background: linear-gradient(90deg, var(--beautify-select-gradient-left) 18px, var(--beautify-select-gradient-right) 24px);
  font-family: monospace;
  font-weight: bold;
  padding-left: 4px;
  margin-left: 4px;
}
.beautify-options select option{
  background-color: var(--truegray-alpha-2)
}

/************ single editor **************/
.usercss body {
  display: flex;
  height: 100vh;
  flex-direction: column;
  justify-items: normal;
}

html:not(.usercss) .usercss-only,
.usercss #mozilla-format-container,
.usercss #sections > h2 {
  display: none !important; /* hide during page init */
}

#lint {
  padding: 1rem 0 0;
  box-sizing: border-box;
}

#options:not([open]) + #lint {
  padding-top: 0;
}

#options-wrapper .options-column:nth-child(2) {
  margin-top: .75rem;
}

.usercss #name {
  background-color: var(--truegray-alpha-07);
  color: var(--truegray);
  cursor: not-allowed;
}

#sections .single-editor,
#sections > .single-editor:first-child {
  margin: 0;
  padding: 0;
  display: flex;
  box-sizing: border-box;
}

.single-editor .CodeMirror {
  width: 100%;
  height: auto;
  border: none;
  outline: none;
}

.single-editor .CodeMirror.cm-s-default {
  outline: none !important;
}

.usercss.firefox #sections,
.usercss.firefox .single-editor,
.usercss.firefox .CodeMirror {
  height: 100%;
}

/************ line widget *************/
.CodeMirror-linewidget .applies-to {
  font: normal 12px Arial, system-ui, sans-serif;
  margin: 1em 0;
  padding: .75rem .75rem .25rem;
  padding-right: calc(1em + 20px);
  background-color: var(--gray-lightness-90);
  border-top: 1px solid var(--truegray-alpha-3);
  border-bottom: 1px solid var(--truegray-alpha-3);
}

.CodeMirror-linewidget .applies-to li {
  margin: 0;
}

.CodeMirror-linewidget .applies-to li + li {
  margin-top: 0.35rem;
}

.CodeMirror-linewidget .applies-to li[data-type="regexp"] .test-regexp {
  display: inline;
}

.CodeMirror-linewidget li.applies-to-everything {
  margin-top: 0.2rem;
}

/************ reponsive layouts ************/
@media(max-width: 850px) {
  body {
    display: flex;
    flex-direction: column;
  }
  #header {
    flex: 0 1 auto;
    height: unset;
    width: unset;
    position: inherit;
    border-right: none;
    border-bottom: 1px dashed var(--gray-lightness-66);
    padding: 0;
  }
  #actions {
    display: flex;
    flex-wrap: wrap;
    white-space: nowrap;
    padding: 0 1rem;
    margin: 0;
    box-sizing: border-box;
  }
  #header input[type="checkbox"] {
    vertical-align: middle;
  }
  #heading,
  h2 {
    display: none;
  }
  #basic-info {
    padding: .5rem 1rem;
    margin: 0;
    box-sizing: border-box;
    display: flex;
    flex-wrap: wrap;
  }
  #basic-info > *:first-child {
    flex-grow: 1;
  }
  #basic-info > *:not(:last-child) {
    margin-right: 0.8rem;
  }
  #basic-info #name {
    flex-grow: 1;
  }
  #options-wrapper {
    display: flex;
    flex-wrap: wrap;
    padding: 0 1rem  .5rem;
    box-sizing: border-box;
  }
  .options-column {
    flex-grow: 1;
    padding-right: .5rem;
    box-sizing: border-box;
  }
  #options-wrapper .options-column:nth-child(2) {
    margin-top: 0;
  }
  #options:not([open]),
  #lint:not([open]) {
    overflow: initial;
  }
  #options:not([open]) + #lint:not([open]) {
    margin-top: 0;
  }
  #lint {
    overflow: initial;
  }
  #lint summary {
    position: static;
    margin-bottom:  0;
  }
  #lint tbody {
    display: flex;
    flex-direction: column;
  }
  #options summary {
    margin-left: 0;
    padding-left: 4px;
  }
  #options h2 {
    margin: 0 0 .5em;
  }
  .option label {
    margin: 0;
  }
  #options [type="number"] {
    text-align: left; /* workaround the column flow bug in webkit */
    padding-left: 0.2rem;
  }
  #options #tabSize-label {
    position: relative;
    top: 0.2rem;
  }
  #lint > div {
    margin-top: 0;
    overflow: hidden;
  }
  #lint {
    padding: 0 1rem .5rem;
  }
  #lint > summary {
    margin-top: 0;
  }
  #lint caption {
    text-indent: 4px;
  }
  #lint table {
    width: 100%;
  }
  #lint td[role="message"] {
    max-width: none;
  }
  #lint:not([open]) + #footer {
    margin: .25em 0 -1em .25em;
  }
  #sections {
    height: unset !important;
    min-height: 0;
    padding-left: 0;
    display: flex;
    flex-direction: column;
    flex: 1 1 auto;
  }
  #sections > * {
    margin: 0 .5rem .5rem;
    padding: .5rem 0 0;
  }
  #sections > *:first-child {
    margin: .5rem;
    padding: 0;
  }
  .usercss .CodeMirror-scroll {
    max-height: calc(100vh - var(--header-narrow-min-height));
  }
  .usercss #options:not([open]) ~ #lint.hidden ~ #footer,
  .usercss #lint:not([open]) + #footer {
    margin-top: -.25em;
  }
  #help-popup.big[style="display: block;"],
  #help-popup[style="display: block;"] {
    width: max-content;
    height: min-content;
    max-width: 90%;
    max-height: 90vh;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
    margin: auto;
  }
  #help-popup[style*="left:"] {
    left: 1rem !important;
    margin-top: -2.35rem;
  }
  #help-popup:not([style*="display: block;"]),
  #help-popup .CodeMirror-lint-markers,
  #help-popup .CodeMirror-guttermarker-subtle {
    display: none !important;
  }
  #help-popup .CodeMirror-linenumber {
   padding: 0;
  }
}