// Modified version of Bootstrap 4 _reboot.scss
// Bootstrap is licensed at https://github.com/twbs/bootstrap/blob/v4-dev/LICENSE

@import '../_shared/mixins';
@import '../_shared/variables';

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  font-family: sans-serif;
  -webkit-text-size-adjust: 100%;
  -ms-text-size-adjust: 100%;
  -ms-overflow-style: scrollbar;
  -webkit-tap-highlight-color: rgba($blue-grey900, 0);
}

// IE10+ doesn't honor `<meta name="viewport">` in some cases
@at-root {
  @-ms-viewport {
    width: device-width;
  }
}

// stylelint-disable selector-list-comma-newline-after
// Shim for "new" HTML5 structural elements to display correctly (IE10, older browsers)
article, aside, figcaption, figure, footer, header, hgroup, main, nav, section {
  display: block;
}

body {
  margin: 0;
  font-family: $cui-font-family;
  font-size: $cui-body-font-size;
  font-weight: $cui-font-weight;
  line-height: $cui-line-height;
  color: $cui-text-color;
  text-align: left;
  background-color: $cui-body-bg
}

// Suppress the focus outline on elements that cannot be accessed via keyboard.
// This prevents an unwanted focus outline from appearing around elements that
// might still respond to pointer events.
//
// Credit: https://github.com/suitcss/base
[tabindex="-1"]:focus {
  outline: 0 !important;
}

// Content grouping
//
// 1. Add the correct box sizing in Firefox.
// 2. Show the overflow in Edge and IE.

hr {
  box-sizing: content-box; // 1
  height: 0; // 1
  overflow: visible; // 2
}


//
// Typography
//

// Remove top margins from headings
//
// By default, `<h1>`-`<h6>` all receive top and bottom margins. We nuke the top
// margin for easier control within type scales as it avoids margin collapsing.
// stylelint-disable selector-list-comma-newline-after
h1, h2, h3, h4, h5, h6 {
  margin-top: 0;
  margin-bottom: $cui-headings-margin-bottom;
}
// stylelint-enable selector-list-comma-newline-after

// Reset margins on paragraphs
//
// Similarly, the top margin on `<p>`s get reset. However, we also reset the
// bottom margin to use `rem` units instead of `em`.
p {
  margin-top: 0;
  margin-bottom: $cui-paragraph-margin-bottom;
}

// Abbreviations
//
// 1. Remove the bottom border in Firefox 39-.
// 2. Add the correct text decoration in Chrome, Edge, IE, Opera, and Safari.
// 3. Add explicit cursor to indicate changed behavior.
// 4. Duplicate behavior to the data-* attribute for our tooltip plugin

abbr[title],
abbr[data-original-title] { // 4
  text-decoration: underline; // 2
  text-decoration: underline dotted; // 2
  cursor: help; // 3
  border-bottom: 0; // 1
}

address {
  margin-bottom: 1rem;
  font-style: normal;
  line-height: inherit;
}

ol,
ul,
dl {
  margin-top: 0;
  margin-bottom: 1rem;
}

ol ol,
ul ul,
ol ul,
ul ol {
  margin-bottom: 0;
}

dt {
  font-weight: 600;
}

dd {
  margin-bottom: .5rem;
  margin-left: 0; // Undo browser default
}

blockquote {
  margin: 0 0 1rem;
}

dfn {
  font-style: italic; // Add the correct font style in Android 4.3-
}

// stylelint-disable font-weight-notation
b,
strong {
  font-weight: bolder; // Add the correct font weight in Chrome, Edge, and Safari
}
// stylelint-enable font-weight-notation

small {
  font-size: 80%; // Add the correct font size in all browsers
}

//
// Prevent `sub` and `sup` elements from affecting the line height in
// all browsers.
//

sub,
sup {
  position: relative;
  font-size: 75%;
  line-height: 0;
  vertical-align: baseline;
}

sub { bottom: -.25em; }
sup { top: -.5em; }

a {
  color: $cui-link-color;
  text-decoration: $cui-link-decoration;
  background-color: transparent;
  -webkit-text-decoration-skip: objects;

  &:hover {
    color: $cui-link-hover-color;
    text-decoration: $cui-link-hover-decoration;
  }
}


//
// Code
//

pre,
code,
kbd,
samp {
  font-family: $cui-font-family-monospace;
  font-size: 1em; // Correct the odd `em` font sizing in all browsers.
}

pre {
  // Remove browser default top margin
  margin-top: 0;
  // Reset browser default of `1em` to use `rem`s
  margin-bottom: 1rem;
  // Don't allow content to break outside
  overflow: auto;
  // We have @viewport set which causes scrollbars to overlap content in IE11 and Edge, so
  // we force a non-overlapping, non-auto-hiding scrollbar to counteract.
  -ms-overflow-style: scrollbar;
}


//
// Figures
//

figure {
  // Apply a consistent margin strategy (matches our type styles).
  margin: 0 0 1rem;
}

//
// Images and content
//

img {
  vertical-align: middle;
  border-style: none; // Remove the border on images inside links in IE 10-.
}

svg:not(:root) {
  overflow: hidden; // Hide the overflow in IE
  vertical-align: middle;
}


//
// Tables
//

table {
  border-collapse: collapse; // Prevent double borders
}

th {
  // Matches default `<td>` alignment by inheriting from the `<body>`, or the
  // closest parent with a set `text-align`.
  text-align: inherit;
}


//
// Forms
//

label {
  // Allow labels to use `margin` for spacing.
  display: inline-block;
}

// Remove the default `border-radius` that macOS Chrome adds.
//
// Details at https://github.com/twbs/bootstrap/issues/24093
button {
  border-radius: 0;
}

input,
button,
select,
optgroup,
textarea {
  margin: 0; // Remove the margin in Firefox and Safari
  font-family: inherit;
  font-size: inherit;
  line-height: inherit;
}

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

button,
select {
  text-transform: none; // Remove the inheritance of text transform in Firefox
}

// 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
}

// Remove inner border and padding from Firefox, but don't restore the outline like Normalize.
button::-moz-focus-inner,
[type="button"]::-moz-focus-inner,
[type="reset"]::-moz-focus-inner,
[type="submit"]::-moz-focus-inner {
  padding: 0;
  border-style: none;
}

input[type="radio"],
input[type="checkbox"] {
  box-sizing: border-box; // 1. Add the correct box sizing in IE 10-
  padding: 0; // 2. Remove the padding in IE 10-
}


input[type="date"],
input[type="time"],
input[type="datetime-local"],
input[type="month"] {
  // Remove the default appearance of temporal inputs to avoid a Mobile Safari
  // bug where setting a custom line-height prevents text from being vertically
  // centered within the input.
  // See https://bugs.webkit.org/show_bug.cgi?id=139848
  // and https://github.com/twbs/bootstrap/issues/11266
  -webkit-appearance: listbox;
}

textarea {
  overflow: auto; // Remove the default vertical scrollbar in IE.
  // Textareas should really only resize vertically so they don't break their (horizontal) containers.
  resize: vertical;
}

fieldset {
  // Browsers set a default `min-width: min-content;` on fieldsets,
  // unlike e.g. `<div>`s, which have `min-width: 0;` by default.
  // So we reset that to ensure fieldsets behave more like a standard block element.
  // See https://github.com/twbs/bootstrap/issues/12359
  // and https://html.spec.whatwg.org/multipage/#the-fieldset-and-legend-elements
  min-width: 0;
  // Reset the default outline behavior of fieldsets so they don't affect page layout.
  padding: 0;
  margin: 0;
  border: 0;
}

// 1. Correct the text wrapping in Edge and IE.
// 2. Correct the color inheritance from `fieldset` elements in IE.
legend {
  display: block;
  width: 100%;
  max-width: 100%; // 1
  padding: 0;
  margin-bottom: .5rem;
  font-size: 1.5rem;
  line-height: inherit;
  color: inherit; // 2
  white-space: normal; // 1
}

progress {
  vertical-align: baseline; // Add the correct vertical alignment in Chrome, Firefox, and Opera.
}

// 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"] {
  // This overrides the extra rounded corners on search inputs in iOS so that our
  // `.form-control` class can properly style them. Note that this cannot simply
  // be added to `.form-control` as it's not specific enough. For details, see
  // https://github.com/twbs/bootstrap/issues/11586.
  outline-offset: -2px; // 2. Correct the outline style in Safari.
  -webkit-appearance: none;
}

//
// Remove the inner padding and cancel buttons in Chrome and Safari on macOS.
//

[type="search"]::-webkit-search-cancel-button,
[type="search"]::-webkit-search-decoration {
  -webkit-appearance: none;
}

//
// 1. Correct the inability to style clickable types in iOS and Safari.
// 2. Change font properties to `inherit` in Safari.
//

::-webkit-file-upload-button {
  font: inherit; // 2
  -webkit-appearance: button; // 1
}

//
// Correct element displays
//

output {
  display: inline-block;
}

summary {
  display: list-item; // Add the correct display in all browsers
  cursor: pointer;
}

template {
  display: none; // Add the correct display in IE
}

// Always hide an element with the `hidden` HTML attribute (from PureCSS).
// Needed for proper display in IE 10-.
[hidden] {
  display: none !important;
}