//
// Scaffolding
// --------------------------------------------------

// Reset the box-sizing
//
// Heads up! This reset may cause conflicts with some third-party widgets.
// For recommendations on resolving such conflicts, see
// http://getbootstrap.com/getting-started/#third-box-sizing
* {
    .box-sizing(border-box);
}

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

// Body reset

html {
    -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
}

body {
    font-family: @font-family-base;
    font-size: @font-size-base;
    line-height: @line-height-base;
    color: @text-color;
    background-color: @body-bg;
}

// Reset fonts for relevant elements
input,
button,
select,
textarea {
    font-family: inherit;
    font-size: inherit;
    line-height: inherit;
}

// Links

a {
    color: @link-color;
    text-decoration: none;

    &:hover,
    &:focus {
        color: @link-hover-color;
        text-decoration: @link-hover-decoration;
    }

    &:focus {
        .tab-focus();
    }
}

// Figures
//
// We reset this here because previously Normalize had no `figure` margins. This
// ensures we don't break anyone's use of the element.

figure {
    margin: 0;
}

// Images

img {
    vertical-align: middle;
}

// Responsive images (ensure images don't scale beyond their parents)
.img-responsive {
    .img-responsive();
}

// Rounded corners
.img-rounded {
    border-radius: @border-radius-large;
}

// Image thumbnails
//
// Heads up! This is mixin-ed into thumbnails.less for `.thumbnail`.
.img-thumbnail {
    padding: @thumbnail-padding;
    line-height: @line-height-base;
    background-color: @thumbnail-bg;
    border: 1px solid @thumbnail-border;
    border-radius: @thumbnail-border-radius;
    .transition(all .2s ease-in-out);

    // Keep them at most 100% wide
    .img-responsive(inline-block);
}

// Perfect circle
.img-circle {
    border-radius: 50%; // set radius in percents
}

// Horizontal rules

hr {
    margin-top: @line-height-computed;
    margin-bottom: @line-height-computed;
    border: 0;
    border-top: 1px solid @hr-border;
}

// Only display content to screen readers
//
// See: http://a11yproject.com/posts/how-to-hide-content/

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    margin: -1px;
    padding: 0;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}

// Use in conjunction with .sr-only to only display content when it's focused.
// Useful for "Skip to main content" links; see http://www.w3.org/TR/2013/NOTE-WCAG20-TECHS-20130905/G1
// Credit: HTML5 Boilerplate

.sr-only-focusable {
    &:active,
    &:focus {
        position: static;
        width: auto;
        height: auto;
        margin: 0;
        overflow: visible;
        clip: auto;
    }
}

// iOS "clickable elements" fix for role="button"
//
// Fixes "clickability" issue (and more generally, the firing of events such as focus as well)
// for traditionally non-focusable elements with role="button"
// see https://developer.mozilla.org/en-US/docs/Web/Events/click#Safari_Mobile

[role="button"] {
    cursor: pointer;
}