/* Copyright (c) 2012 The Chromium Authors. All rights reserved.
 * Use of this source code is governed by a BSD-style license that can be
 * found in the LICENSE file. */

/* This file defines styles for form controls. The order of rule blocks is
 * important as there are some rules with equal specificity that rely on order
 * as a tiebreaker. These are marked with OVERRIDE. */

/* Default state **************************************************************/

:-webkit-any(button, input[type="button"], input[type="submit"]):not(.custom-appearance):not(
    .link-button
  ),
select,
input[type="checkbox"],
input[type="radio"] {
  -webkit-appearance: none;
  -webkit-user-select: none;
  background-image: -webkit-linear-gradient(#ededed, #ededed 38%, #dedede);
  border: 1px solid rgba(0, 0, 0, 0.25);
  border-radius: 2px;
  box-shadow:
    0 1px 0 rgba(0, 0, 0, 0.08),
    inset 0 1px 2px rgba(255, 255, 255, 0.75);
  color: #444;
  font: inherit;
  margin: 0 1px 0 0;
  text-shadow: 0 1px 0 rgb(240, 240, 240);
}

:-webkit-any(button, input[type="button"], input[type="submit"]):not(.custom-appearance):not(
    .link-button
  ),
select {
  min-height: 2em;
  min-width: 4em;
}

:-webkit-any(button, input[type="button"], input[type="submit"]):not(.custom-appearance):not(
    .link-button
  ) {
  -webkit-padding-end: 10px;
  -webkit-padding-start: 10px;
}

select {
  -webkit-appearance: none;
  -webkit-padding-end: 20px;
  -webkit-padding-start: 6px;
  /* OVERRIDE */
  background-image:
    -webkit-image-set(
      url("data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABMAAAAICAYAAAAbQcSUAAAAaUlEQVQoz2P4//8/A7UwdkEGhiggTsODo4g2LBEImJmZvwE1/UfHIHGQPNGGAbHCggULFrKxsf1ENgjEB4mD5EnxJoaByAZB5Yk3DNlAPj6+L8gGkWUYzMC3b982IRtEtmFQjaxYxDAwAGi4TwMYKNLfAAAAAElFTkSuQmCC")
        1x,
      url("data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAACcAAAAQCAYAAACV3GYgAAAAWklEQVRIx+3VOwoAIAwD0B49N686CCJ+K0aHFrIl8LaKqsqvEccxcPEQo8bgNs4KTBth4HaByCMWbhWIcsDEzYCoy2xcD4hW8QWuBqJXeoXLQIwK/iEc57iDBIg+ClNpjek/AAAAAElFTkSuQmCC")
        2x
    ),
    -webkit-linear-gradient(#ededed, #ededed 38%, #dedede);
  background-position: right center;
  background-repeat: no-repeat;
}

html[dir="rtl"] select {
  background-position: center left;
}

input[type="checkbox"] {
  bottom: 2px;
  height: 13px;
  position: relative;
  vertical-align: middle;
  width: 13px;
}

input[type="radio"] {
  /* OVERRIDE */
  border-radius: 100%;
  bottom: 3px;
  height: 15px;
  position: relative;
  vertical-align: middle;
  width: 15px;
}

/* TODO(estade): add more types here? */
input[type="password"],
input[type="search"],
input[type="text"],
input[type="url"],
input:not([type]),
textarea {
  border: 1px solid #bfbfbf;
  border-radius: 2px;
  box-sizing: border-box;
  color: #444;
  font: inherit;
  margin: 0;
  /* Use min-height to accommodate addditional padding for touch as needed. */
  min-height: 2em;
  padding: 3px;
  /* For better alignment between adjacent buttons and inputs. */
  padding-bottom: 4px;
}

input[type="search"] {
  -webkit-appearance: textfield;
  /* NOTE: Keep a relatively high min-width for this so we don't obscure the end
   * of the default text in relatively spacious languages (i.e. German). */
  min-width: 160px;
}

/* Checked ********************************************************************/

input[type="checkbox"]:checked::before {
  -webkit-user-select: none;
  background-image: -webkit-image-set(
    url("data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAsAAAALCAYAAACprHcmAAAAcklEQVQY02NgwA/YoJgoEA/Es4DYgJBCJSBeD8SboRinBiYg7kZS2IosyQ/Eakh8LySFq4FYHFlxGRBvBOJYqMRqJMU+yApNkSRAeC0Sux3dfSCTetE0wKyXxOWhMKhTYIr9CAUXyJMzgLgBagBBgDPGAI2LGdNt0T1AAAAAAElFTkSuQmCC")
      1x,
    url("data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABYAAAAWCAYAAADEtGw7AAAA60lEQVQ4y2P4//8/Ay0wA00NpgC4AXEksgA1DNYA4vVAvBnZcEoNFgLihVBDNyMbTonBLEDchWYo3HBKDM7BYSgIZ5JrsBseQxuBmIkcg5EjCx1PBmJufGHsBMQFQMxORGTB8BIglsCXKmSBeA1U8RQgliMistYBsTq+dAxy4TQ0TSBLnPFE1iYgdkAPL3SDC/BECi4cjS0i0A12RgoGYnAxEDMSYzAIyGMJDmy4B4jZcCUdXKmCnUCwzAVifnxpklA6xhY0K4BYgVBiJyaDgIJmKtTQjUBsTEwuIjbnwYLGi9jsSZ8aZEgZDACI3DQYaeTU0AAAAABJRU5ErkJggg==")
      2x
  );
  background-size: 100% 100%;
  content: "";
  display: block;
  height: 100%;
  width: 100%;
}

html[dir="rtl"] input[type="checkbox"]:checked::before {
  -webkit-transform: scaleX(-1);
}

input[type="radio"]:checked::before {
  background-color: #666;
  border-radius: 100%;
  bottom: 3px;
  content: "";
  display: block;
  left: 3px;
  position: absolute;
  right: 3px;
  top: 3px;
}

/* Hover **********************************************************************/

:enabled:hover:-webkit-any(
    select,
    input[type="checkbox"],
    input[type="radio"],
    :-webkit-any(button, input[type="button"], input[type="submit"]):not(.custom-appearance):not(
        .link-button
      )
  ) {
  background-image: -webkit-linear-gradient(#f0f0f0, #f0f0f0 38%, #e0e0e0);
  border-color: rgba(0, 0, 0, 0.3);
  box-shadow:
    0 1px 0 rgba(0, 0, 0, 0.12),
    inset 0 1px 2px rgba(255, 255, 255, 0.95);
  color: black;
}

:enabled:hover:-webkit-any(select) {
  /* OVERRIDE */
  background-image:
    -webkit-image-set(
      url("data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABMAAAAICAYAAAAbQcSUAAAAaUlEQVQoz2P4//8/A7UwdkEGhiggTsODo4g2LBEImJmZvwE1/UfHIHGQPNGGAbHCggULFrKxsf1ENgjEB4mD5EnxJoaByAZB5Yk3DNlAPj6+L8gGkWUYzMC3b982IRtEtmFQjaxYxDAwAGi4TwMYKNLfAAAAAElFTkSuQmCC")
        1x,
      url("data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAACcAAAAQCAYAAACV3GYgAAAAWklEQVRIx+3VOwoAIAwD0B49N686CCJ+K0aHFrIl8LaKqsqvEccxcPEQo8bgNs4KTBth4HaByCMWbhWIcsDEzYCoy2xcD4hW8QWuBqJXeoXLQIwK/iEc57iDBIg+ClNpjek/AAAAAElFTkSuQmCC")
        2x
    ),
    -webkit-linear-gradient(#f0f0f0, #f0f0f0 38%, #e0e0e0);
}

/* Active *********************************************************************/

:enabled:active:-webkit-any(
    select,
    input[type="checkbox"],
    input[type="radio"],
    :-webkit-any(button, input[type="button"], input[type="submit"]):not(.custom-appearance):not(
        .link-button
      )
  ) {
  background-image: -webkit-linear-gradient(#e7e7e7, #e7e7e7 38%, #d7d7d7);
  box-shadow: none;
  text-shadow: none;
}

:enabled:active:-webkit-any(select) {
  /* OVERRIDE */
  background-image:
    -webkit-image-set(
      url("data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABMAAAAICAYAAAAbQcSUAAAAaUlEQVQoz2P4//8/A7UwdkEGhiggTsODo4g2LBEImJmZvwE1/UfHIHGQPNGGAbHCggULFrKxsf1ENgjEB4mD5EnxJoaByAZB5Yk3DNlAPj6+L8gGkWUYzMC3b982IRtEtmFQjaxYxDAwAGi4TwMYKNLfAAAAAElFTkSuQmCC")
        1x,
      url("data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAACcAAAAQCAYAAACV3GYgAAAAWklEQVRIx+3VOwoAIAwD0B49N686CCJ+K0aHFrIl8LaKqsqvEccxcPEQo8bgNs4KTBth4HaByCMWbhWIcsDEzYCoy2xcD4hW8QWuBqJXeoXLQIwK/iEc57iDBIg+ClNpjek/AAAAAElFTkSuQmCC")
        2x
    ),
    -webkit-linear-gradient(#e7e7e7, #e7e7e7 38%, #d7d7d7);
}

/* Disabled *******************************************************************/

:disabled:-webkit-any(button, input[type="button"], input[type="submit"]):not(
    .custom-appearance
  ):not(.link-button),
select:disabled {
  background-image: -webkit-linear-gradient(#f1f1f1, #f1f1f1 38%, #e6e6e6);
  border-color: rgba(80, 80, 80, 0.2);
  box-shadow:
    0 1px 0 rgba(80, 80, 80, 0.08),
    inset 0 1px 2px rgba(255, 255, 255, 0.75);
  color: #aaa;
}

select:disabled {
  /* OVERRIDE */
  background-image:
    -webkit-image-set(
      url("data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABMAAAAICAYAAAAbQcSUAAAAWklEQVQoz2P4//8/A7UwdkEGhiggTsODo4g2LBEIGhoa/uPCIHmiDQNihQULFizEZhBIHCRPijexGggzCCpPvGHoBiIbRJZhMAPfvn3bhGwQ2YZBNbJiEcPAAIgGZrTRc1ZLAAAAAElFTkSuQmCC")
        1x,
      url("data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAACYAAAAQCAYAAAB6Hg0eAAAAX0lEQVRIx+3UOwoAIAxEwRz93TwWIoj4lwRBA9vtwlQRVZUbcyVqCUY8PQwWsFMcgFjBdnGkvSVsFUe+tYbN4ih3HrARjtrGC9bC0ep7wkocva43LOEY9d75/B/2YZsJM1B42fe2uWoAAAAASUVORK5CYII=")
        2x
    ),
    -webkit-linear-gradient(#f1f1f1, #f1f1f1 38%, #e6e6e6);
}

input:disabled:-webkit-any([type="checkbox"], [type="radio"]) {
  opacity: 0.75;
}

input:disabled:-webkit-any(
    [type="password"],
    [type="search"],
    [type="text"],
    [type="url"],
    :not([type])
  ) {
  color: #999;
}

/* Focus **********************************************************************/

:enabled:focus:-webkit-any(
    select,
    input[type="checkbox"],
    input[type="password"],
    input[type="radio"],
    input[type="search"],
    input[type="text"],
    input[type="url"],
    input:not([type]),
    :-webkit-any(button, input[type="button"], input[type="submit"]):not(.custom-appearance):not(
        .link-button
      )
  ) {
  /* OVERRIDE */
  -webkit-transition: border-color 200ms;
  /* We use border color because it follows the border radius (unlike outline).
   * This is particularly noticeable on mac. */
  border-color: rgb(77, 144, 254);
  outline: none;
}

/* Link buttons ***************************************************************/

.link-button {
  -webkit-box-shadow: none;
  background: transparent none;
  border: none;
  color: rgb(17, 85, 204);
  cursor: pointer;
  /* Input elements have -webkit-small-control which can override the body font.
   * Resolve this by using 'inherit'. */
  font: inherit;
  margin: 0;
  padding: 0 4px;
}

.link-button:hover {
  text-decoration: underline;
}

.link-button:active {
  color: rgb(5, 37, 119);
  text-decoration: underline;
}

.link-button[disabled] {
  color: #999;
  cursor: default;
  text-decoration: none;
}

/* Checkbox/radio helpers ******************************************************
 *
 * .checkbox and .radio classes wrap labels. Checkboxes and radios should use
 * these classes with the markup structure:
 *
 *   <div class="checkbox">
 *     <label>
 *       <input type="checkbox"></input>
 *       <span>
 *     </label>
 *   </div>
 */

:-webkit-any(.checkbox, .radio) label {
  /* Don't expand horizontally: <http://crbug.com/112091>. */
  display: -webkit-inline-box;
  padding-bottom: 7px;
  padding-top: 7px;
}

:-webkit-any(.checkbox, .radio) label input ~ span {
  -webkit-margin-start: 0.6em;
  /* Make sure long spans wrap at the same horizontal position they start. */
  display: block;
}

:-webkit-any(.checkbox, .radio) label:hover {
  color: black;
}

label > input:disabled:-webkit-any([type="checkbox"], [type="radio"]) ~ span {
  color: #999;
}
