$font-color: #444 !default;  //looks better than black: twitter.com/H_FJ/statuses/11800719859
$link-color: #607890 !default;
$link-hover-color: #036 !default;
$link-active-color: #607890 !default;
$link-visited-color: #607890 !default;
$selected-font-color: #fff !default;
$selected-background-color: #ff5e99 !default;
$list-left-margin: 1.8em !default;

//
// Minimal base styles
//

@mixin html5-boilerplate-styles {
  body, select, input, textarea { color: $font-color; }

  html { @include force-scrollbar; }

  a, a:active, a:visited { color: $link-color; }
  a:hover { color: $link-hover-color; }

  ul, ol { margin-left: $list-left-margin; }
  ol { list-style-type: decimal; }

  td, td img { vertical-align: top; }

  sub { @include sub; }

  sup { @include sup; }

  textarea { overflow: auto; }  // thnx ivannikolic! www.sitepoint.com/blogs/2010/08/20/ie-remove-textarea-scrollbars

  @include accessible-focus;

  @include quoted-pre;

  @include align-input-labels;

  @include hand-cursor-inputs;

  @include webkit-reset-form-elements;

  @include selected-text;

  @include webkit-tap-highlight;

  @include ie-hacks;
}

@mixin sub{ 
  vertical-align: sub; font-size: smaller;
}

@mixin sup{ 
  vertical-align: super; font-size: smaller;
}

// Accessible focus treatment: people.opera.com/patrickl/experiments/keyboard/test
@mixin accessible-focus {
  a:hover, a:active { outline: none; }
}

// www.pathf.com/blogs/2008/05/formatting-quoted-code-in-blog-posts-css21-white-space-pre-wrap/
@mixin quoted-pre {
  pre {
    padding: 15px;
    white-space: pre;       // CSS2
    white-space: pre-wrap;  // CSS 2.1
    white-space: pre-line;  // CSS 3 (and 2.1 as well, actually)
    word-wrap: break-word;  // IE
  }
}

// align checkboxes, radios, text inputs with their label
// by: Thierry Koblentz tjkdesign.com/ez-css/css/base.css
@mixin align-input-labels {
  input[type="radio"] { vertical-align: text-bottom; }
  input[type="checkbox"] { vertical-align: bottom; }
  .ie7 input[type="checkbox"] { vertical-align: baseline; }
  .ie6 input { vertical-align: text-bottom; }
}

// hand cursor on clickable input elements
@mixin hand-cursor-inputs {
  label, input[type=button], input[type=submit], button { cursor: pointer; }
}

// webkit browsers add a 2px margin outside the chrome of form elements
@mixin webkit-reset-form-elements {
  button, input, select, textarea { margin: 0; }
}

// These selection declarations have to be separate.
// No text-shadow: twitter.com/miketaylr/status/12228805301 
// Also: hot pink.
@mixin selected-text {
  ::-moz-selection{ background:$selected-background-color; color: $selected-font-color; text-shadow: none; }
  ::selection { background: $selected-background-color; color: $selected-font-color; text-shadow: none; }
}

// j.mp/webkit-tap-highlight-color
@mixin webkit-tap-highlight {
  a:link { -webkit-tap-highlight-color: $selected-background-color; }
}

// always force a scrollbar in non-IE
@mixin force-scrollbar {
  overflow-y: scroll;
}

@mixin ie-hacks {
  // make buttons play nice in IE:    
  // www.viget.com/inspire/styling-the-button-element-in-internet-explorer/
  button {  width: auto; overflow: visible; }

  // bicubic resizing for non-native sized IMG: 
  // code.flickr.com/blog/2008/11/12/on-ui-quality-the-little-things-client-side-image-resizing/
  .ie7 img { -ms-interpolation-mode: bicubic; }

  .ie6 legend, .ie7 legend { margin-left: -7px; } // thnx ivannikolic!
}