variables.scss

// Everything is derived from $base-color
// Caveat: currently only works for light colored backgrounds, scss provides functions (contrast) that could be used to improve this

@function pxToRem($px) {
    @return #{$px/16px}rem;
}

// Base color -- Based on the Galaxy masthead color
$base-color-1: #2C3143;
$base-color-2: lighten($base-color-1,25%);
$base-color-3: lighten($base-color-1,50%);

$complement-color-1: spin($base-color-1,180);
$complement-color-2: spin($base-color-2,180);
$complement-color-3: spin($base-color-3,180);

$base-color: $base-color-2;

// Default border bolor, this is between gray-light and gray-lighter -- classic Galaxy border color
$border-default-color: lighten(black, 75%);

// When making borders for components with other colors, how much to darken
$border-darken-percent: 40%;

// For making state colors, how much to darken and lighten
$state-text-darken-percent: 15%;
$state-bg-lighten-percent: 40%;
$state-bg-saturate-percent: 30%;

// Why bootstrap stopped defining these as variables I don't know
$white: #fff;
$black: #000;

// Bootstrap default colors for states, will be adjusted based on $base-color

$bs-primary:         #428bca;
$bs-success:         #5cb85c;
$bs-warning:         #f0ad4e;
$bs-danger:          #d9534f;
$bs-info:            #5bc0de;

$panel-bg-color: #DFE5F9;

// Derived variables used below

@function luma($color){

  $r: red($color);
  $g: green($color);
  $b: blue($color);

  @return 0.299 * $r + 0.587 * $g + 0.114 * $b;

}

$sat:   saturation($base-color);
$luma:  luma($base-color);
$lightness: lightness($base-color);
$tone:  desaturate($base-color,100%);

// Standard boostrap variables begin here

//
// Variables
// --------------------------------------------------


// Global values
// --------------------------------------------------

// Grays
// -------------------------

$gray-darker:            lighten(black, 13.5%); // #222
$gray-dark:              lighten(black, 20%);   // #333
$gray:                   lighten(black, 33.5%); // #555
$gray-light:             lighten(black, 60%);   // #999
$gray-lighter:           lighten(black, 93.5%); // #eee

// Brand colors
// -------------------------
$brand-primary:         hsl(
                            hue($bs-primary),
                            (saturation($bs-info) + $sat + 20)/2,
                            $lightness - 10
                        );

$brand-info:            hsl(
                            hue($bs-info),
                            (saturation($bs-info) + $sat + 20)/2,
                            $lightness
                        );
$brand-success:         hsl(
                            hue($bs-success),
                            (saturation($bs-success) + $sat + 20)/2,
                            (luma($bs-success) + $luma - 20)/2
                        );
$brand-warning:         hsl(
                            hue($bs-warning),
                            (saturation($bs-warning) + $sat + 20)/2,
                            (luma($bs-warning) + $luma - 20)/2
                        );
$brand-danger:          hsl(
                            hue($bs-danger),
                            (saturation($bs-danger) + $sat + 20)/2,
                            (luma($bs-danger) + $luma + 10)/2
                        );

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

$body-bg:               $white;
$text-color:            $gray-dark;

// Links
// -------------------------

$link-color:            $brand-primary;
$link-hover-color:      darken($link-color, 15%);

// Typography
// -------------------------

$font-family-sans-serif:  "Lucida Grande",verdana,arial,helvetica,sans-serif; //JT "Helvetica Neue", Helvetica, Arial, sans-serif;
$font-family-serif:       Georgia, "Times New Roman", Times, serif;
$font-family-monospace:   Monaco, Menlo, Consolas, "Courier New", monospace;
$font-family-base:        $font-family-sans-serif;

$font-size-base:          12px; //JT 14px;
$font-size-large:         ceil($font-size-base * 1.25); // ~18px
$font-size-small:         ceil($font-size-base * 0.85); // ~12px

$font-size-h1:            floor($font-size-base * 2); // ~36px
$font-size-h2:            floor($font-size-base * 1.75); // ~30px
$font-size-h3:            ceil($font-size-base * 1.5); // ~24px
$font-size-h4:            ceil($font-size-base * 1.25); // ~18px
$font-size-h5:            $font-size-base;
$font-size-h6:            ceil($font-size-base * 0.85); // ~12px

$line-height-base:        1.428571429; // 20/12 //JT 1.428571429; // 20/14
$line-height-computed:    floor($font-size-base * $line-height-base); // ~20px

$headings-font-family:    $font-family-base;
$headings-font-weight:    800;
$headings-line-height:    1.1;

// Iconography
// -------------------------

$icon-font-path:          "../fonts/";
$icon-font-name:          "glyphicons-halflings-regular";


// Components
// -------------------------
// Based on 14px font-size and 1@mixin 428 line-height (~20px to start)

$padding-base-vertical:          4px; //JT 6px;
$padding-base-horizontal:        10px; //JT 12px;

$padding-large-vertical:         8px; //JT 10px;
$padding-large-horizontal:       14px; //JT 16px;

$padding-small-vertical:         3px; //JT 5px;
$padding-small-horizontal:       8px; //JT 10px;

$line-height-large:              1.33;
$line-height-small:              1.5;

$border-radius-base:             3px; //JT 4px;
$border-radius-large:            5px; //JT px;
$border-radius-small:            2px; //JT 3px;

$component-active-bg:            $brand-primary;

$caret-width-base:               4px;
$caret-width-large:              5px;

// Tables
// -------------------------

$table-cell-padding:                 8px;
$table-condensed-cell-padding:       5px;

$table-bg:                           transparent; // overall background-color
$table-bg-accent:                    #f9f9f9; // for striping
$table-bg-hover:                     #f5f5f5;
$table-bg-active:                    $table-bg-hover;

$table-border-color:                 $border-default-color; // table and cell border


// Buttons
// -------------------------

$btn-font-weight:                normal;

$btn-default-color:              #333;
$btn-default-bg:                 darken($white,5%);
$btn-default-border:             $border-default-color;

$btn-primary-color:              $white;
$btn-primary-bg:                 $brand-primary;
$btn-primary-border:             darken($btn-primary-bg, $border-darken-percent);

$btn-success-color:              $white;
$btn-success-bg:                 $brand-success;
$btn-success-border:             darken($btn-success-bg, $border-darken-percent);

$btn-warning-color:              $white;
$btn-warning-bg:                 $brand-warning;
$btn-warning-border:             darken($btn-warning-bg, $border-darken-percent);

$btn-danger-color:               $white;
$btn-danger-bg:                  $brand-danger;
$btn-danger-border:              darken($btn-danger-bg, $border-darken-percent);

$btn-info-color:                 $white;
$btn-info-bg:                    $brand-info;
$btn-info-border:                darken($btn-info-bg, $border-darken-percent);

$btn-link-disabled-color:        $gray-light;


// Forms
// -------------------------

$input-bg:                       $white;
$input-bg-disabled:              $gray-lighter;

$input-color:                    $gray;
$input-border:                   $border-default-color;
$input-border-radius:            $border-radius-base;
$input-border-focus:             #66afe9;

$input-color-placeholder:        $gray-light;

// JT
$input-height-base:              ($line-height-computed + ($padding-base-vertical * 2) + 2);
$input-height-large:             (floor($font-size-large * $line-height-large) + ($padding-large-vertical * 2) + 2);
$input-height-small:             (floor($font-size-small * $line-height-small) + ($padding-small-vertical * 2) + 2);
// JT


$legend-color:                   $gray-dark;
$legend-border-color:            $border-default-color;

$input-group-addon-bg:           $gray-lighter;
$input-group-addon-border-color: $input-border;


// Dropdowns
// -------------------------

$dropdown-bg:                    $white;
$dropdown-border:                rgba(0,0,0,.15);
$dropdown-fallback-border:       #ccc;
$dropdown-divider-bg:            #e5e5e5;

$dropdown-link-active-color:     $white;
$dropdown-link-active-bg:        $component-active-bg;

$dropdown-link-color:            $gray-dark;
$dropdown-link-hover-color:      $white;
$dropdown-link-hover-bg:         $dropdown-link-active-bg;

$dropdown-link-disabled-color:   $gray-light;

$dropdown-header-color:          $gray-light;

$dropdown-caret-color:           $black;


// COMPONENT VARIABLES
// --------------------------------------------------


// Z-index master list
// -------------------------
// Used for a bird's eye view of components dependent on the z-axis
// Try to avoid customizing these :)

$zindex-navbar:            1000;
$zindex-dropdown:          1000;
$zindex-popover:           1010;
$zindex-tooltip:           1030;
$zindex-navbar-fixed:      1030;
$zindex-modal-background:  1040;
$zindex-modal:             1050;

// Media queries breakpoints
// --------------------------------------------------

// Extra small screen / phone
// Note: Deprecated $screen-xs and $screen-phone as of v3.0.1
$screen-xs:                  480px;
$screen-xs-min:              $screen-xs;
$screen-phone:               $screen-xs-min;

// Small screen / tablet
// Note: Deprecated $screen-sm and $screen-tablet as of v3.0.1
$screen-sm:                  768px;
$screen-sm-min:              $screen-sm;
$screen-tablet:              $screen-sm-min;

// Medium screen / desktop
// Note: Deprecated $screen-md and $screen-desktop as of v3.0.1
$screen-md:                  992px;
$screen-md-min:              $screen-md;
$screen-desktop:             $screen-md-min;

// Large screen / wide desktop
// Note: Deprecated $screen-lg and $screen-lg-desktop as of v3.0.1
$screen-lg:                  1200px;
$screen-lg-min:              $screen-lg;
$screen-lg-desktop:          $screen-lg-min;

// So media queries don't overlap when required, provide a maximum
$screen-xs-max:              ($screen-sm-min - 1);
$screen-sm-max:              ($screen-md-min - 1);
$screen-md-max:              ($screen-lg-min - 1);


// Grid system
// --------------------------------------------------

// Number of columns in the grid system
$grid-columns:              12;
// Padding, to be divided by two and applied to the left and right of all columns
$grid-gutter-width:         30px;
// Point at which the navbar stops collapsing
$grid-float-breakpoint:     0px;


// Navbar
// -------------------------

// Basics of a navbar
$navbar-height:                    pxToRem(33px);
$navbar-margin-bottom:             $line-height-computed;
$navbar-default-color:             #777;
$navbar-default-bg:                $gray-lighter; // JT #f8f8f8;
$navbar-default-border:            darken($navbar-default-bg, $border-darken-percent);
$navbar-border-radius:             $border-radius-base;
$navbar-padding-horizontal:        floor($grid-gutter-width / 2);
$navbar-padding-vertical:          (($navbar-height - $line-height-computed) / 2);

// Navbar links
$navbar-default-link-color:                #777;
$navbar-default-link-hover-color:          #333;
$navbar-default-link-hover-bg:             transparent;
$navbar-default-link-active-color:         #555;
$navbar-default-link-active-bg:            darken($navbar-default-bg, 6.5%);
$navbar-default-link-disabled-color:       #ccc;
$navbar-default-link-disabled-bg:          transparent;

// Navbar brand label
$navbar-default-brand-color:               $navbar-default-link-color;
$navbar-default-brand-hover-color:         darken($navbar-default-link-color, 10%);
$navbar-default-brand-hover-bg:            transparent;

// Navbar toggle
$navbar-default-toggle-hover-bg:           #ddd;
$navbar-default-toggle-icon-bar-bg:        #ccc;
$navbar-default-toggle-border-color:       #ddd;


// Inverted navbar
//
// Reset inverted navbar basics
$navbar-inverse-color:                      $gray-light;
$navbar-inverse-bg:                         darken($base-color,25%); //JT #222;
$navbar-inverse-border:                     darken($navbar-inverse-bg, 10%);

// Inverted navbar links
$navbar-inverse-link-color:                 $gray-light;
$navbar-inverse-link-hover-color:           $white;
$navbar-inverse-link-hover-bg:              transparent;
$navbar-inverse-link-active-color:          $navbar-inverse-link-hover-color;
$navbar-inverse-link-active-bg:             darken($navbar-inverse-bg, 10%);
$navbar-inverse-link-disabled-color:        #666;
$navbar-inverse-link-disabled-bg:           transparent;

// Inverted navbar brand label
$navbar-inverse-brand-color:                $navbar-inverse-link-color;
$navbar-inverse-brand-hover-color:          $white;
$navbar-inverse-brand-hover-bg:             transparent;

// Inverted navbar toggle
$navbar-inverse-toggle-hover-bg:            #333;
$navbar-inverse-toggle-icon-bar-bg:         $white;
$navbar-inverse-toggle-border-color:        #333;


// Navs
// -------------------------

$nav-link-padding:                          $padding-base-vertical $padding-base-horizontal; //JT 10px 15px;
$nav-link-hover-bg:                         $gray-lighter;

$nav-disabled-link-color:                   $gray-light;
$nav-disabled-link-hover-color:             $gray-light;

$nav-open-link-hover-color:                 $white;
$nav-open-caret-border-color:               $white;

// Tabs
$nav-tabs-border-color:                     $border-default-color;

$nav-tabs-link-hover-border-color:          $gray-lighter;

$nav-tabs-active-link-hover-bg:             $body-bg;
$nav-tabs-active-link-hover-color:          $gray;
$nav-tabs-active-link-hover-border-color:   $border-default-color;

$nav-tabs-justified-link-border-color:            $border-default-color;
$nav-tabs-justified-active-link-border-color:     $body-bg;

// Pills
$nav-pills-active-link-hover-bg:            $component-active-bg;
$nav-pills-active-link-hover-color:         $white;


// Pagination
// -------------------------

$pagination-bg:                        $white;
$pagination-border:                    $border-default-color;

$pagination-hover-bg:                  $gray-lighter;

$pagination-active-bg:                 $brand-primary;
$pagination-active-color:              $white;

$pagination-disabled-color:            $gray-light;


// Pager
// -------------------------

$pager-border-radius:                  15px;
$pager-disabled-color:                 $gray-light;


// Jumbotron
// -------------------------

$jumbotron-padding:              30px;
$jumbotron-color:                inherit;
$jumbotron-bg:                   $gray-lighter;

$jumbotron-heading-color:        inherit;


// Form states and alerts
// -------------------------

$state-warning-text:             darken($brand-warning, $state-text-darken-percent);
$state-warning-bg:               saturate(lighten($brand-warning, $state-bg-lighten-percent),$state-bg-saturate-percent);
$state-warning-border:           darken($state-warning-bg, $border-darken-percent);

$state-danger-text:              darken($brand-danger, $state-text-darken-percent);
$state-danger-bg:                saturate(lighten($brand-danger, $state-bg-lighten-percent),$state-bg-saturate-percent);
$state-danger-border:            darken($state-danger-bg, $border-darken-percent);

$state-success-text:             darken($brand-success, $state-text-darken-percent);
$state-success-bg:               saturate(lighten($brand-success, $state-bg-lighten-percent),$state-bg-saturate-percent);
$state-success-border:           darken($state-success-bg, $border-darken-percent);

$state-info-text:                darken($brand-info, $state-text-darken-percent);
$state-info-bg:                  saturate(lighten($brand-info, $state-bg-lighten-percent),$state-bg-saturate-percent);
$state-info-border:              darken($state-info-bg, $border-darken-percent);


// Tooltips
// -------------------------
$tooltip-max-width:           200px;
$tooltip-color:               $white;
$tooltip-bg:                  $black;

$tooltip-arrow-width:         5px;
$tooltip-arrow-color:         $tooltip-bg;


// Popovers
// -------------------------
$popover-bg:                          $white;
$popover-max-width:                   276px;
$popover-border-color:                rgba(0,0,0,.2);
$popover-fallback-border-color:       #ccc;

$popover-title-bg:                    darken($popover-bg, 3%);

$popover-arrow-width:                 10px;
$popover-arrow-color:                 $white;

$popover-arrow-outer-width:           ($popover-arrow-width + 1);
$popover-arrow-outer-color:           rgba(0,0,0,.25);
$popover-arrow-outer-fallback-color:  #999;


// Labels
// -------------------------

$label-default-bg:            $gray-light;
$label-primary-bg:            $brand-primary;
$label-success-bg:            $brand-success;
$label-info-bg:               $brand-info;
$label-warning-bg:            $brand-warning;
$label-danger-bg:             $brand-danger;

$label-color:                 $white;
$label-link-hover-color:      $white;


// Modals
// -------------------------
$modal-inner-padding:         20px;

$modal-title-padding:         15px;
$modal-title-line-height:     $line-height-base;

$modal-content-bg:                             $white;
$modal-content-border-color:                   rgba(0,0,0,.2);
$modal-content-fallback-border-color:          #999;

$modal-backdrop-bg:           $black;
$modal-header-border-color:   $border-default-color;
$modal-footer-border-color:   $modal-header-border-color;


// Alerts
// -------------------------
$alert-padding:               15px;
$alert-border-radius:         $border-radius-base;
$alert-link-font-weight:      bold;

$alert-success-bg:            $state-success-bg;
$alert-success-text:          $state-success-text;
$alert-success-border:        $state-success-border;

$alert-info-bg:               $state-info-bg;
$alert-info-text:             $state-info-text;
$alert-info-border:           $state-info-border;

$alert-warning-bg:            $state-warning-bg;
$alert-warning-text:          $state-warning-text;
$alert-warning-border:        $state-warning-border;

$alert-danger-bg:             $state-danger-bg;
$alert-danger-text:           $state-danger-text;
$alert-danger-border:         $state-danger-border;


// Progress bars
// -------------------------
$progress-bg:                 #f5f5f5;
$progress-bar-color:          $white;

$progress-bar-bg:             $brand-primary;
$progress-bar-success-bg:     $brand-success;
$progress-bar-warning-bg:     $brand-warning;
$progress-bar-danger-bg:      $brand-danger;
$progress-bar-info-bg:        $brand-info;


// List group
// -------------------------
$list-group-bg:               $white;
$list-group-border:           $border-default-color;
$list-group-border-radius:    $border-radius-base;

$list-group-hover-bg:         #f5f5f5;
$list-group-active-color:     $white;
$list-group-active-bg:        $component-active-bg;
$list-group-active-border:    $list-group-active-bg;

$list-group-link-color:          #555;
$list-group-link-heading-color:  #333;


// Panels
// -------------------------
$panel-bg:                    $white;
$panel-inner-border:          $border-default-color;
$panel-border-radius:         $border-radius-base;
$panel-footer-bg:             #f5f5f5;

$panel-default-text:          $gray-dark;
$panel-default-border:        $border-default-color;
$panel-default-heading-bg:    #f5f5f5;

$panel-primary-text:          $white;
$panel-primary-border:        $brand-primary;
$panel-primary-heading-bg:    $brand-primary;

$panel-success-text:          $state-success-text;
$panel-success-border:        $state-success-border;
$panel-success-heading-bg:    $state-success-bg;

$panel-warning-text:          $state-warning-text;
$panel-warning-border:        $state-warning-border;
$panel-warning-heading-bg:    $state-warning-bg;

$panel-danger-text:           $state-danger-text;
$panel-danger-border:         $state-danger-border;
$panel-danger-heading-bg:     $state-danger-bg;

$panel-info-text:             $state-info-text;
$panel-info-border:           $state-info-border;
$panel-info-heading-bg:       $state-info-bg;


// Thumbnails
// -------------------------
$thumbnail-padding:           4px;
$thumbnail-bg:                $body-bg;
$thumbnail-border:            $border-default-color;
$thumbnail-border-radius:     $border-radius-base;

$thumbnail-caption-color:     $text-color;
$thumbnail-caption-padding:   9px;


// Wells
// -------------------------
$well-bg:                     $gray-lighter;


// Badges
// -------------------------
$badge-color:                 $white;
$badge-link-hover-color:      $white;
$badge-bg:                    $gray-light;

$badge-active-color:          $link-color;
$badge-active-bg:             $white;

$badge-font-weight:           bold;
$badge-line-height:           1;
$badge-border-radius:         10px;


// Breadcrumbs
// -------------------------
$breadcrumb-bg:               #f5f5f5;
$breadcrumb-color:            #ccc;
$breadcrumb-active-color:     $gray-light;


// Carousel
// ------------------------

$carousel-text-shadow:                        0 1px 2px rgba(0,0,0,.6);

$carousel-control-color:                      $white;
$carousel-control-width:                      15%;
$carousel-control-opacity:                    .5;
$carousel-control-font-size:                  20px;

$carousel-indicator-active-bg:                $white;
$carousel-indicator-border-color:             $white;

$carousel-caption-color:                      $white;


// Close
// ------------------------
$close-color:                 $black;
$close-font-weight:           bold;
$close-text-shadow:           0 1px 0 $white;


// Code
// ------------------------
$code-color:                  #c7254e;
$code-bg:                     #f9f2f4;

$pre-bg:                      #f5f5f5;
$pre-color:                   $gray-dark;
$pre-border-color:            #ccc;
$pre-scrollable-max-height:   340px;

// Type
// ------------------------
$text-muted:                  $gray-light;
$abbr-border-color:           $gray-light;
$headings-small-color:        $gray-light;
$blockquote-small-color:      $gray-light;
$blockquote-border-color:     $gray-lighter;
$page-header-border-color:    $gray-lighter;

// Miscellaneous
// -------------------------

// Hr border color
$hr-border:                   $border-default-color;

// Horizontal forms & lists
$component-offset-horizontal: 180px;


// Container sizes
// --------------------------------------------------

// Small screen / tablet
$container-tablet:            ((720px + $grid-gutter-width));

// Medium screen / desktop
$container-desktop:           ((940px + $grid-gutter-width));

// Large screen / wide desktop
$container-lg-desktop:        ((1140px + $grid-gutter-width));