forms.css

/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

/**
  Styles for old GFX form widgets
 **/


@namespace url(http://www.w3.org/1999/xhtml); /* set default namespace to HTML */

*|*::-moz-fieldset-content {
  display: block; /* StyleAdjuster::adjust_for_fieldset_content overrides this in some cases */
  unicode-bidi: inherit;
  text-overflow: inherit;
  overflow: inherit;
  overflow-clip-box: inherit;
  /* Need to inherit border-radius too, so when the fieldset has rounded
     borders we don't leak out the corners for hit-testing purposes. */
  border-radius: inherit;
  padding: inherit;
  box-decoration-break: inherit;
  block-size: 100%; /* Need this so percentage block-sizes of kids work right */
  /* Please keep the declarations below in sync with ::-moz-scrolled-content in
     ua.css and ::-moz-button-content below. */
  content: inherit;
  /* Multicol container */
  column-count: inherit;
  column-width: inherit;
  column-gap: inherit;
  column-rule: inherit;
  column-fill: inherit;
  /* Flex container */
  flex-direction: inherit;
  flex-wrap: inherit;
  /* -webkit-box container (aliased from -webkit versions to -moz versions) */
  -moz-box-orient: inherit;
  -moz-box-direction: inherit;
  -moz-box-pack: inherit;
  -moz-box-align: inherit;
  /* Grid container */
  grid-auto-columns: inherit;
  grid-auto-rows: inherit;
  grid-auto-flow: inherit;
  grid-column-gap: inherit;
  grid-row-gap: inherit;
  grid-template-areas: inherit;
  grid-template-columns: inherit;
  grid-template-rows: inherit;
  /* CSS Align */
  align-content: inherit;
  align-items: inherit;
  justify-content: inherit;
  justify-items: inherit;
}

/* Miscellaneous form elements */

legend {
  display: block;
  padding-inline: 2px;
}

fieldset {
  display: block;
  margin-inline: 2px;
  padding-block: 0.35em 0.625em;
  padding-inline: 0.75em;
  border: 2px groove ThreeDFace;
  min-inline-size: min-content;
}

label {
  cursor: default;
}

/* Default inputs, text inputs, and selects */

/* Note: Values in nsNativeTheme IsWidgetStyled function
   need to match textfield background/border values here */

input {
  display: inline-block;
  appearance: auto;
  -moz-default-appearance: textfield;
  /* The sum of border and padding on block-start and block-end
     must be the same here, for buttons, and for <select> (including its
     internal padding magic) */
  padding: 1px;
  border: 2px inset ButtonBorder;
  background-color: Field;
  color: FieldText;
  font: -moz-field;
  text-rendering: optimizeLegibility;
  cursor: text;
  overflow-clip-box: padding-box content-box;
}

@media (-moz-non-native-content-theme) {
  input {
    padding-inline: 2px;
  }
}

textarea {
  display: inline-block;
  appearance: auto;
  -moz-default-appearance: textarea;
  margin-block: 1px;
  border: 2px inset ButtonBorder;
  padding: 2px;
  background-color: Field;
  color: FieldText;
  font: medium -moz-fixed;
  text-rendering: optimizeLegibility;
  vertical-align: text-bottom;
  cursor: text;
  resize: both;
  white-space: pre-wrap;
  word-wrap: break-word;
}

/* A few properties that we don't want to inherit by default: */
input, textarea, select, button, ::file-selector-button {
  text-align: initial;
  text-indent: initial;
  text-shadow: initial;
  text-transform: initial;
  word-spacing: initial;
  letter-spacing: initial;
  /* Note that line-height is also reset for all these, via the font shorthand */
}

::placeholder,
::-moz-text-control-editing-root,
::-moz-text-control-preview {
  overflow: auto;
  border: 0;
  /* This is necessary to make overflow-clip-box work */
  padding: inherit;
  margin: 0;
  text-decoration: inherit;
  display: inline-block;
  ime-mode: inherit;
  resize: inherit;
  scrollbar-width: inherit;
  -moz-control-character-visibility: visible;
  overflow-clip-box: inherit;
  visibility: hidden;
}

::placeholder,
::-moz-text-control-preview {
  /*
   * Changing display to inline can leads to broken behaviour and will assert.
   */
  display: inline-block;

  /*
   * Changing resize would display a broken behaviour and will assert.
   */
  resize: none;

  overflow: hidden;

  /*
   * The placeholder or preview should be ignored by pointer / selection / etc.
   * Otherwise, we might have some unexpected behavior like the resize handle
   * not being selectable.
   */
  pointer-events: none;
  user-select: none;
}

::-moz-text-control-preview {
  font-family: system-ui;
}

::placeholder {
  opacity: 0.54;
}

:not(:-moz-autofill-preview)::-moz-text-control-editing-root,
:placeholder-shown:not(:autofill)::placeholder,
:autofill::-moz-text-control-preview {
  visibility: inherit;
}

input::placeholder,
input::-moz-text-control-editing-root,
input::-moz-text-control-preview {
  word-wrap: normal;
  white-space: pre;
  /* Make the line-height equal to the available height */
  line-height: -moz-block-height !important;
}

input[type=password]::-moz-text-control-editing-root,
input[type=password]::-moz-text-control-preview {
  /*
   * In password fields, any character should be put same direction.  Otherwise,
   * caret position at typing tells everybody whether the character is an RTL
   * or an LTR character.  Unfortunately, this makes odd rendering when bidi
   * text is unmasked.
   */
  unicode-bidi: bidi-override;
}

textarea::-moz-text-control-editing-root {
  scroll-behavior: inherit;
  overscroll-behavior: inherit;
  /* StyleAdjuster makes sure that the overflow value ends up being scrollable */
  overflow: inherit;
}

input:read-write,
textarea:read-write {
  -moz-user-modify: read-write !important;
}

select {
  margin: 0;
  border-color: ButtonBorder;
  font: -moz-list;
  white-space: nowrap !important;
  word-wrap: normal !important;
  cursor: default;
  box-sizing: border-box;
  user-select: none;
  border-width: 2px;
  border-style: inset;
  overflow: clip;
  /* No text-decoration reaching inside, by default */
  display: inline-block;
  page-break-inside: avoid;
  overflow-clip-box: padding-box !important; /* bug 992447 */
  padding-block: 1px;

  /* Set some styles for drop down selects. These are overridden below for
   * list box selects. */
  padding-inline: 4px;
  background-color: -moz-Combobox;
  color: -moz-ComboboxText;
  vertical-align: baseline;
  appearance: auto;
  -moz-default-appearance: menulist;
}

select:-moz-select-list-box {
  overflow-inline: hidden;
  overflow-block: scroll;
  padding-inline: 0;
  background-color: Field;
  color: FieldText;
  vertical-align: text-bottom;
  appearance: auto;
  -moz-default-appearance: listbox;
}

@media (-moz-platform: macos) {
  select:-moz-select-list-box {
    scrollbar-width: thin;
  }
}

select > button {
  inline-size: 12px;
  white-space: nowrap;
  position: static;
  appearance: auto;
  -moz-default-appearance: -moz-menulist-arrow-button;

  /* Make sure to size correctly if the combobox has a non-auto height. */
  block-size: 100%;
  box-sizing: border-box;

  /* Draw the arrow in the select's color */
  color: inherit;

  /*
    Make sure to align properly with the display frame.  Note that we
    want the baseline of the combobox to match the baseline of the
    display frame, so the dropmarker is what gets the vertical-align.
  */
  vertical-align: top;
}

*|*::-moz-display-comboboxcontrol-frame {
  content: inherit;
  overflow: clip;
  color: unset;
  white-space: nowrap;
  text-align: unset;
  user-select: none;
  /* Make sure to size correctly if the combobox has a non-auto block-size. */
  block-size: 100%;
  /* Try to always display our own text */
  min-inline-size: max-content;
  box-sizing: border-box;
  line-height: -moz-block-height;
}

option[label]::before {
  content: attr(label);
}

select:-moz-select-list-box option,
select:-moz-select-list-box optgroup {
  line-height: normal !important;
}

option {
  display: block;
  float: none !important;
  position: static !important;
  /* This makes sure that it is a containing block for positioned descendants. */
  will-change: -moz-fixed-pos-containing-block !important;

  min-block-size: 1em;
  padding-block: 2px;
  user-select: none;
  /*
   * Note that the "UA !important" tests in
   * layout/style/test/test_animations.html depend on this rule, because
   * they need some UA !important rule to test.  If this changes, use a
   * different one there.
   */
  white-space: nowrap !important;
  word-wrap: normal !important;
}

select > option {
  padding-inline: 4px;
}

option:checked {
  background-color: -moz-cellhighlight;
  color: -moz-cellhighlighttext;
}

select:-moz-select-list-box:focus option:checked {
  background-color: SelectedItem !important;
  color: SelectedItemText !important;
}

optgroup {
  display: block;
  float: none !important;
  position: static !important;
  font-style: italic;
  font-weight: bold;
  font-size: unset;
  user-select: none;
  white-space: nowrap !important;
  word-wrap: normal !important;
}

optgroup > option {
  padding-inline-start: 20px;
  font-style: normal;
  font-weight: normal;
}

optgroup:before {
  display: block;
  content: "\200b" attr(label);
}

@media (-moz-platform: android) {
  /* These elements are handled by the prompt module. */
  select option,
  select optgroup {
    pointer-events: none;
  }
}

*|*::-moz-dropdown-list {
  content: inherit;
  z-index: 2147483647;
  background-color: inherit;
  user-select: none;
  position: static !important;
  float: none !important;

  /*
   * We can't change the padding here, because that would affect our
   * intrinsic inline-size, since we scroll.  But at the same time, we want
   * to make sure that our inline-start border+padding matches the inline-start
   * border+padding of a combobox so that our scrollbar will line up
   * with the dropmarker.  So set our inline-start border to 2px.
   */
  border: 1px outset black !important;
  border-inline-start-width: 2px !important;
}

input:disabled,
textarea:disabled,
option:disabled,
optgroup:disabled,
select:disabled {
  color: GrayText;
  background-color: -moz-DisabledField;
  cursor: unset;
}

input:disabled,
textarea:disabled {
  cursor: default;
}

option:disabled,
optgroup:disabled {
  background-color: transparent;
}

/* hidden inputs */
input[type=hidden] {
  appearance: none;
  -moz-default-appearance: none;
  display: none !important;
  padding: unset;
  border: 0;
  cursor: auto;
  -moz-user-focus: ignore;
}

/* image buttons */
input[type=image] {
  appearance: none;
  -moz-default-appearance: none;
  padding: unset;
  border: none;
  background-color: transparent;
  font-family: sans-serif;
  font-size: small;
  cursor: pointer;
}

input[type=image]:disabled {
  cursor: unset;
}

/* colored part of the color selector button */
::-moz-color-swatch {
  width: 100%;
  height: 100%;
  min-width: 3px;
  min-height: 3px;
  margin-inline: auto;
  box-sizing: border-box;
  border: 1px solid grey;
  display: block;
}

/* radio buttons */
input[type=radio] {
  appearance: auto;
  -moz-default-appearance: radio;
  margin-block: 3px 0;
  margin-inline: 5px 3px;
}

/* check boxes */
input[type=checkbox] {
  appearance: auto;
  -moz-default-appearance: checkbox;
  margin-block: 3px;
  margin-inline: 4px 3px;
}

/* Common features of radio buttons and check boxes */

input[type=radio],
input[type=checkbox] {
  box-sizing: border-box;
  cursor: default;
  /* unset some values from the general 'input' rule above: */
  padding: unset;
  border: unset;
  background-color: unset;
  color: unset;
}

input:is([type=radio], [type=checkbox]):is(:disabled, :disabled:active, :disabled:hover:active) {
  cursor: unset;
}

input[type=search] {
  box-sizing: border-box;
}

/* buttons */

/* Note: Values in nsNativeTheme IsWidgetStyled function
   need to match button background/border values here */

/* Non text-related properties for buttons: these ones are shared with
   input[type=color] */
button,
::file-selector-button,
input:is([type=color], [type=reset], [type=button], [type=submit]) {
  appearance: auto;
  -moz-default-appearance: button;
  /* The sum of border and padding on block-start and block-end
     must be the same here, for text inputs, and for <select>.
     Note -moz-focus-inner padding does not affect button size. */
  padding-block: 1px;
  padding-inline: 8px;
  border: 2px outset ButtonBorder;
  background-color: ButtonFace;
  cursor: default;
  box-sizing: border-box;
  user-select: none;
}

/* Text-related properties for buttons: these ones are not shared with
   input[type=color] */
button,
::file-selector-button,
input:is([type=reset], [type=button], [type=submit]) {
  color: ButtonText;
  font: -moz-button;
  white-space: pre;
  text-align: center;
  overflow-clip-box: padding-box;
}

input[type=color] {
  inline-size: 64px;
  block-size: 32px;
}

@media (-moz-non-native-content-theme) {
  button,
  ::file-selector-button,
  input:is([type=reset], [type=button], [type=submit]) {
    padding-inline: 4px;
  }

  input[type=color] {
    padding: 4px;
  }
}

button,
::file-selector-button {
  /* Buttons should lay out like "normal" html, mostly */
  white-space: unset;
  /* But no text-decoration reaching inside, by default */
  display: inline-block;
}

*|*::-moz-button-content {
  display: block;
  /* Please keep the declarations below in sync with ::-moz-scrolled-content in
     ua.css and ::-moz-fieldset-content above. */
  content: inherit;
  /* Multicol container */
  column-count: inherit;
  column-width: inherit;
  column-gap: inherit;
  column-rule: inherit;
  column-fill: inherit;
  /* Flex container */
  flex-direction: inherit;
  flex-wrap: inherit;
  /* -webkit-box container (aliased from -webkit versions to -moz versions) */
  -moz-box-orient: inherit;
  -moz-box-direction: inherit;
  -moz-box-pack: inherit;
  -moz-box-align: inherit;
  /* Grid container */
  grid-auto-columns: inherit;
  grid-auto-rows: inherit;
  grid-auto-flow: inherit;
  grid-column-gap: inherit;
  grid-row-gap: inherit;
  grid-template-areas: inherit;
  grid-template-columns: inherit;
  grid-template-rows: inherit;
  /* CSS Align */
  align-content: inherit;
  align-items: inherit;
  justify-content: inherit;
  justify-items: inherit;
}

::file-selector-button:hover,
button:hover,
input:is([type=reset], [type=button], [type=submit], [type=color]):hover {
  color: -moz-buttonhovertext;
  background-color: -moz-buttonhoverface;
}

::file-selector-button:active:hover,
button:active:hover,
input:is([type=reset], [type=button], [type=submit], [type=color]):active:hover {
  border-style: inset;
  color: -moz-buttonactivetext;
  background-color: -moz-buttonactiveface;
}

::-moz-focus-inner {
  /* Note this padding only affects the -moz-focus-inner ring, not the button itself */
  padding-block: 0;
  padding-inline: 2px;
  border: 1px dotted transparent;
}

:focus-visible::-moz-focus-inner {
  border-color: currentColor;
}

:is(:disabled, :disabled:active)::file-selector-button,
button:is(:disabled, :disabled:active),
input:is([type=reset], [type=button], [type=submit], [type=color]):is(:disabled, :disabled:active),
select:is(:disabled, :disabled:active) > button {
  border-style: outset;
  cursor: unset;
}

:is(:disabled, :disabled:active)::file-selector-button,
button:is(:disabled, :disabled:active),
input:is([type=reset], [type=button], [type=submit]):is(:disabled, :disabled:active),
select:is(:disabled, :disabled:active) > button {
  color: GrayText;
  background-color: -moz-ButtonDisabledFace;
}

/* file selector */
input[type=file] {
  white-space: nowrap !important;
  overflow: hidden !important;
  overflow-clip-box: padding-box;
  color: unset;

  /* Revert rules which apply on all inputs. */
  appearance: none;
  -moz-default-appearance: none;
  cursor: default;

  border: none;
  background-color: transparent;
  padding: unset;
}

input[type=file] > label {
  display: inline-block;
  min-inline-size: 12em;
  text-align: match-parent;

  color: unset;
  font-size: unset;
  letter-spacing: unset;

  user-select: none;
  unicode-bidi: plaintext;
}

/* button part of file selector */
::file-selector-button {
  font-size: unset;
  letter-spacing: unset;
  cursor: unset;
  margin-inline-end: 5px;
}

 /*
  * Make form controls inherit 'unicode-bidi' transparently as required by
  *  their various anonymous descendants and pseudo-elements:
  *
  * <textarea> and <input type=text>:
  *  inherit into the scroll frame with pseudo ::-moz-text-control-editing-root
  *  which is a (direct or indirect) child of the text control.
  *
  * Buttons (either <button>, <input type=submit>, <input type=button>
  *          or <input type=reset>)
  *  inherit into the ':-moz-button-content' pseudo-element.
  *
  * <select>:
  *  inherit into the ':-moz-display-comboboxcontrol-frame' pseudo-element and
  *  the <optgroup>'s ':before' pseudo-element, which is where the label of
  *  the <optgroup> gets displayed. The <option>s don't use anonymous boxes,
  *  so they need no special rules.
  */
::placeholder,
::-moz-text-control-editing-root,
*|*::-moz-button-content,
*|*::-moz-display-comboboxcontrol-frame,
optgroup:before {
  unicode-bidi: inherit;
  text-overflow: inherit;
}

progress {
  appearance: auto;
  -moz-default-appearance: progress-bar;
  display: inline-block;
  vertical-align: -0.2em;

  /* Default style in case of there is appearance: none; */
  border: 1px solid ThreeDShadow;
  border-right-color: ThreeDHighlight;
  border-bottom-color: ThreeDHighlight;
  /* #e6e6e6 is a light gray. */
  background-color: #e6e6e6;
  overflow: clip;
}

progress::-moz-progress-bar,
progress::slider-fill {
  /* Prevent styling that would change the type of frame we construct. */
  display: inline-block !important;
  float: none !important;
  position: static !important;
  overflow: visible !important;
  box-sizing: border-box !important;

  appearance: auto;
  -moz-default-appearance: progresschunk;
  height: 100%;
  width: 100%;

  /* Default style in case of there is appearance: none; */
  background-color: #0064b4; /* blue */
}

meter {
  appearance: auto;
  -moz-default-appearance: meter;
  display: inline-block;
  vertical-align: -0.2em;
  background: linear-gradient(#e6e6e6, #e6e6e6, #eeeeee 20%, #cccccc 45%, #cccccc 55%);
  overflow: clip;
}

meter::-moz-meter-bar,
meter::slider-fill {
  /* Block styles that would change the type of frame we construct. */
  display: inline-block !important;
  float: none !important;
  position: static !important;
  overflow: visible !important;

  appearance: auto;
  -moz-default-appearance: meterchunk;
  height: 100%;
  width: 100%;
}

meter:-moz-meter-optimum::-moz-meter-bar,
meter:-moz-meter-optimum::slider-fill {
  /* green. */
  background: linear-gradient(#ad7, #ad7, #cea 20%, #7a3 45%, #7a3 55%);
}
meter:-moz-meter-sub-optimum::-moz-meter-bar,
meter:-moz-meter-sub-optimum::slider-fill {
  /* orange. */
  background: linear-gradient(#fe7, #fe7, #ffc 20%, #db3 45%, #db3 55%);
}
meter:-moz-meter-sub-sub-optimum::-moz-meter-bar,
meter:-moz-meter-sub-sub-optimum::slider-fill {
  /* red. */
  background: linear-gradient(#f77, #f77, #fcc 20%, #d44 45%, #d44 55%);
}

input[type=range] {
  appearance: auto;
  -moz-default-appearance: range;
  margin: 2px;
  /* Override some rules that apply on all input types: */
  cursor: default;
  padding: unset;
  border: unset;
  /* Prevent nsIFrame::HandlePress setting mouse capture to this element. */
  user-select: none !important;
}

/**
 * Layout handles positioning of this pseudo-element specially (so that content
 * authors can concentrate on styling the thumb without worrying about the
 * logic to position it). Specifically the 'margin', 'top' and 'left'
 * properties are ignored.
 *
 * If content authors want to have a vertical range, they will also need to
 * set the width/height of this pseudo-element.
 *
 * TODO(emilio, bug 1663819): Losen these restrictions once these
 * pseudo-elements are better spec'd out.
 */
input[type=range]::-moz-range-track,
input[type=range]::slider-track {
  /* Prevent styling that would change the type of frame we construct. */
  display: block !important;
  float: none !important;
  position: static !important;
  writing-mode: unset !important;
  direction: unset !important;
  block-size: 0.2em; /* same as inline-size below */
  /* Prevent nsIFrame::HandlePress setting mouse capture to this element. */
  user-select: none !important;
}

input[type=range][orient=vertical]::-moz-range-track,
input[type=range][orient=vertical]::slider-track {
  inline-size: 0.2em; /* same as block-size above */
  block-size: 100%;
}

/**
 * Layout handles positioning of this pseudo-element specially (so that content
 * authors can concentrate on styling this pseudo-element without worrying
 * about the logic to position it). Specifically the 'margin', 'top' and 'left'
 * properties are ignored. Additionally, if the range is horizontal, the width
 * property is ignored, and if the range range is vertical, the height property
 * is ignored.
 */
input[type=range]::-moz-range-progress,
input[type=range]::slider-fill {
  /* Prevent styling that would change the type of frame we construct. */
  display: block !important;
  float: none !important;
  position: static !important;
  writing-mode: unset !important;
  direction: unset !important;
  /* Since one of width/height will be ignored, this just sets the "other"
     dimension. */
  width: 0.2em;
  height: 0.2em;
  /* Prevent nsIFrame::HandlePress setting mouse capture to this element. */
  user-select: none !important;
}

/**
 * Layout handles positioning of this pseudo-element specially (so that content
 * authors can concentrate on styling the thumb without worrying about the
 * logic to position it). Specifically the 'margin', 'top' and 'left'
 * properties are ignored.
 */
input[type=range]::-moz-range-thumb,
input[type=range]::slider-thumb {
  /* Native theming is atomic for range. Set appearance on the range
   * to get rid of it. The thumb's appearance is fixed.
   */
  appearance: auto !important;
  -moz-default-appearance: range-thumb !important;
  /* Prevent styling that would change the type of frame we construct. */
  display: block !important;
  float: none !important;
  position: static !important;
  writing-mode: unset !important;
  direction: unset !important;

  width: 1em;
  height: 1em;
  border: 0.1em solid #999;
  border-radius: 0.5em;
  background-color: #F0F0F0;
  /* Prevent nsIFrame::HandlePress setting mouse capture to this element. */
  user-select: none !important;
}

input[type=number] {
  appearance: auto;
  -moz-default-appearance: number-input;
}

input[type=number]::-moz-number-spin-box {
  writing-mode: horizontal-tb;
  display: flex;
  flex-direction: column;
  width: max-content;
  align-self: center;
  justify-content: center;
  /* Don't allow the spin buttons to create overflow */
  max-height: 100%;
  max-width: 100%;
  overflow: clip;
}

input[type=number]::-moz-number-spin-up,
input[type=number]::-moz-number-spin-down {
  writing-mode: horizontal-tb;
  appearance: auto;
  -moz-default-appearance: spinner-upbutton;
  display: block; /* bug 926670 */
  flex-grow: 1;
  cursor: default;
}

input[type=number]::-moz-number-spin-down {
  -moz-default-appearance: spinner-downbutton;
}

input::-moz-search-clear-button,
input::-moz-reveal {
  display: block;
  cursor: default;
  width: 1em;
  height: 1em;
  max-height: 100%;
  max-width: 100%;
  margin-inline-start: 1px;
  background-image: url("resource://content-accessible/searchfield-cancel.svg");
  background-repeat: no-repeat;
  background-position: center;
  background-size: contain;
}

input::-moz-reveal {
  background-image: url("resource://gre-resources/password.svg");
  -moz-context-properties: fill;
  fill: currentColor;
}

input:-moz-revealed::-moz-reveal {
  background-image: url("resource://gre-resources/password-hide.svg");
}

input:-moz-value-empty::-moz-reveal,
input:-moz-value-empty::-moz-search-clear-button {
  visibility: hidden;
}

input:is([type=date], [type=time], [type=datetime-local]) {
  overflow: hidden !important;
  font-family: -moz-fixed;
  cursor: default;
}

input:is([type=date], [type=time], [type=datetime-local]):is(:disabled, :read-only) {
  color: GrayText;
}

input:autofill, select:autofill {
  /* The idea behind using background-image instead of plain background-color
   * is that it's less likely to be overridden by the page. */
  background-image: linear-gradient(-moz-autofill-background, -moz-autofill-background);
}

input:-moz-autofill-preview, select:-moz-autofill-preview {
  color: GrayText;
}