// studio - utilities - variables
// ====================

// Table of Contents
// * +Paths
// * +Grid
// * +Fonts
// * +Colors - Utility
// * +Colors - Primary
// * +Colors - Shadow
// * +Color - Application
// * +Timing
// * +Archetype UI
// * +Specific UI
// * +Deprecated

$baseline: 20px;

// +Paths
// ====================
$static-path: '..' !default;

// +Grid
// ====================
$gw-column: ($baseline*3);
$gw-gutter: $baseline;
$fg-column: $gw-column;
$fg-gutter: $gw-gutter;
$fg-max-columns: 12;
$fg-max-width: 1280px;
$fg-min-width: 900px;

// +Fonts
// ====================
$f-sans-serif: 'Open Sans','Helvetica Neue', Helvetica, Arial, sans-serif;
$f-monospace: 'Bitstream Vera Sans Mono', Consolas, Courier, monospace;

// +Colors - Utility
// ====================
$transparent: rgba(0,0,0,0); // used when color value is needed for UI width/transitions but element is transparent

// +Colors - Primary
// ====================
$black: rgb(0,0,0);
$black-t0: rgba($black, 0.125);
$black-t1: rgba($black, 0.25);
$black-t2: rgba($black, 0.5);
$black-t3: rgba($black, 0.75);

$white: rgb(255,255,255);
$white-t0: rgba($white, 0.125);
$white-t1: rgba($white, 0.25);
$white-t2: rgba($white, 0.5);
$white-t3: rgba($white, 0.75);

$gray: rgb(127,127,127);
$gray-l1: tint($gray,20%);
$gray-l2: tint($gray,40%);
$gray-l3: tint($gray,60%);
$gray-l4: tint($gray,80%);
$gray-l5: tint($gray,90%);
$gray-l6: tint($gray,95%);
$gray-l7: tint($gray,99%);
$gray-d1: shade($gray,20%);
$gray-d2: shade($gray,40%);
$gray-d3: shade($gray,60%);
$gray-d4: shade($gray,80%);

$blue: rgb(0, 159, 230);
$blue-l1: tint($blue,20%);
$blue-l2: tint($blue,40%);
$blue-l3: tint($blue,60%);
$blue-l4: tint($blue,80%);
$blue-l5: tint($blue,90%);
$blue-d1: shade($blue,20%);
$blue-d2: shade($blue,40%);
$blue-d3: shade($blue,60%);
$blue-d4: shade($blue,80%);
$blue-s1: saturate($blue,15%);
$blue-s2: saturate($blue,30%);
$blue-s3: saturate($blue,45%);
$blue-u1: desaturate($blue,15%);
$blue-u2: desaturate($blue,30%);
$blue-u3: desaturate($blue,45%);
$blue-t0: rgba($blue, 0.125);
$blue-t1: rgba($blue, 0.25);
$blue-t2: rgba($blue, 0.50);
$blue-t3: rgba($blue, 0.75);

$uxpl-blue-base: rgb(0, 117, 180); // wcag2a compliant
$uxpl-blue-hover-active: rgb(6, 86, 131); // wcag2a compliant

$uxpl-green-base: rgb(0, 129, 0); // wcag2a compliant
$uxpl-green-hover-active: rgb(0, 155, 0); // wcag2a compliant

$uxpl-pink-base: rgb(194, 56, 125); // wcag2a compliant
$uxpl-pink-hover-active: lighten($uxpl-pink-base, 7%); // wcag2a compliant

$uxpl-grayscale-x-back: rgb(245, 245, 245); // UXPL grayscale, x-back

$pink: rgb(183, 37, 103); // #b72567;
$pink-l1: tint($pink,20%);
$pink-l2: tint($pink,40%);
$pink-l3: tint($pink,60%);
$pink-l4: tint($pink,80%);
$pink-l5: tint($pink,90%);
$pink-d1: shade($pink,20%);
$pink-d2: shade($pink,40%);
$pink-d3: shade($pink,60%);
$pink-d4: shade($pink,80%);
$pink-s1: saturate($pink,15%);
$pink-s2: saturate($pink,30%);
$pink-s3: saturate($pink,45%);
$pink-u1: desaturate($pink,15%);
$pink-u2: desaturate($pink,30%);
$pink-u3: desaturate($pink,45%);

$red: rgb(178, 6, 16);  // #b20610;
$red-l1: tint($red,20%);
$red-l2: tint($red,40%);
$red-l3: tint($red,60%);
$red-l4: tint($red,80%);
$red-l5: tint($red,90%);
$red-d1: shade($red,20%);
$red-d2: shade($red,40%);
$red-d3: shade($red,60%);
$red-d4: shade($red,80%);
$red-s1: saturate($red,15%);
$red-s2: saturate($red,30%);
$red-s3: saturate($red,45%);
$red-u1: desaturate($red,15%);
$red-u2: desaturate($red,30%);
$red-u3: desaturate($red,45%);

$green: rgb(37, 184, 90); // #25b85a
$green-l1: tint($green,20%);
$green-l2: tint($green,40%);
$green-l3: tint($green,60%);
$green-l4: tint($green,80%);
$green-l5: tint($green,90%);
$green-d1: shade($green,20%);
$green-d2: shade($green,40%);
$green-d3: shade($green,60%);
$green-d4: shade($green,80%);
$green-s1: saturate($green,15%);
$green-s2: saturate($green,30%);
$green-s3: saturate($green,45%);
$green-u1: desaturate($green,15%);
$green-u2: desaturate($green,30%);
$green-u3: desaturate($green,45%);

$yellow: rgb(237, 189, 60);
$yellow-l1: tint($yellow,20%);
$yellow-l2: tint($yellow,40%);
$yellow-l3: tint($yellow,60%);
$yellow-l4: tint($yellow,80%);
$yellow-l5: tint($yellow,90%);
$yellow-d1: shade($yellow,20%);
$yellow-d2: shade($yellow,40%);
$yellow-d3: shade($yellow,60%);
$yellow-d4: shade($yellow,80%);
$yellow-s1: saturate($yellow,15%);
$yellow-s2: saturate($yellow,30%);
$yellow-s3: saturate($yellow,45%);
$yellow-u1: desaturate($yellow,15%);
$yellow-u2: desaturate($yellow,30%);
$yellow-u3: desaturate($yellow,45%);

$orange: rgb(237, 189, 60);
$orange-l1: tint($orange,20%);
$orange-l2: tint($orange,40%);
$orange-l3: tint($orange,60%);
$orange-l4: tint($orange,80%);
$orange-l5: tint($orange,90%);
$orange-d1: shade($orange,20%);
$orange-d2: shade($orange,40%);
$orange-d3: shade($orange,60%);
$orange-d4: shade($orange,80%);
$orange-s1: saturate($orange,15%);
$orange-s2: saturate($orange,30%);
$orange-s3: saturate($orange,45%);
$orange-u1: desaturate($orange,15%);
$orange-u2: desaturate($orange,30%);
$orange-u3: desaturate($orange,45%);

// +Colors - Shadows
// ====================
$shadow: rgba($black, 0.2);
$shadow-l1: rgba($black, 0.1);
$shadow-l2: rgba($black, 0.05);
$shadow-d1: rgba($black, 0.4);
$shadow-d2: rgba($black, 0.6);

// +Colors - Application
// ====================
$color-draft: $gray-l3;
$color-live: $blue;
$color-ready: $green;
$color-warning: $orange-l2;
$color-error: $red-l2;
$color-staff-only: $black;
$color-gated: $black;
$color-visibility-set: $black;

$color-heading-base: $gray-d2;
$color-copy-base: $gray-l1;
$color-copy-emphasized: $gray-d2;

// +Timing
// ====================
// used for animation/transition mixin syncing
$tmg-s3: 3.0s;
$tmg-s2: 2.0s;
$tmg-s1: 1.0s;
$tmg-avg: 0.75s;
$tmg-f1: 0.50s;
$tmg-f2: 0.25s;
$tmg-f3: 0.125s;

// +Archetype UI
// ====================
$ui-action-primary-color: $blue-u2;
$ui-action-primary-color-focus: $blue-s1;

$ui-link-color: $blue-u2;
$ui-link-color-focus: $blue-s1;

// +Specific UI
// ====================
$ui-notification-height: ($baseline*10);
$ui-update-color: $blue-l4;

// +Deprecated
// ====================
// do not use, future clean up will use updated styles
$baseFontColor: $gray-d2;
$lighter-base-font-color: rgb(100,100,100);
$offBlack: #3c3c3c;
$green: #108614;
$lightGrey: #edf1f5;
$mediumGrey: #b0b6c2;
$darkGrey: #8891a1;
$extraDarkGrey: #3d4043;
$paleYellow: #fffcf1;
$yellow: rgb(255, 254, 223);
$green: rgb(37, 184, 90);
$brightGreen: rgb(22, 202, 87);
$disabledGreen: rgb(124, 206, 153);
$darkGreen: rgb(52, 133, 76);

// These colors are updated for testing purposes
$lightBluishGrey: rgb(0, 250, 0);
$lightBluishGrey2: rgb(0, 250, 0);
$error-red: rgb(253, 87, 87);


//carryover from LMS for xmodules
$sidebar-color: rgb(246, 246, 246);

// type
$sans-serif: $f-sans-serif;
$body-line-height: golden-ratio(.875em, 1);

// carried over from LMS for xmodules
$action-primary-active-bg: #1aa1de; // $m-blue
$very-light-text: $white;
