Add color scheme

sass/base/generic.sass

@@ -1,4 +1,4 @@
-$body-background-color: $white !default
+$body-background-color: $scheme-main !default
 $body-size: 16px !default
 $body-min-width: 300px !default
 $body-rendering: optimizeLegibility !default

sass/components/breadcrumb.sass

@@ -5,7 +5,7 @@ $breadcrumb-item-active-color: $text-strong !default
 $breadcrumb-item-padding-vertical: 0 !default
 $breadcrumb-item-padding-horizontal: 0.75em !default
 
-$breadcrumb-item-separator-color: $grey-light !default
+$breadcrumb-item-separator-color: $border-hover !default
 
 .breadcrumb
   @extend %block

sass/components/card.sass

@@ -1,11 +1,11 @@
 $card-color: $text !default
-$card-background-color: $white !default
-$card-shadow: 0 0.5em 1em -0.125em rgba($black, 0.1), 0 0px 0 1px rgba($black, 0.02) !default
+$card-background-color: $scheme-main !default
+$card-shadow: 0 0.5em 1em -0.125em rgba($scheme-invert, 0.1), 0 0px 0 1px rgba($scheme-invert, 0.02) !default
 
 $card-header-background-color: transparent !default
 $card-header-color: $text-strong !default
 $card-header-padding: 0.75rem 1rem !default
-$card-header-shadow: 0 0.125em 0.25em rgba($black, 0.1) !default
+$card-header-shadow: 0 0.125em 0.25em rgba($scheme-invert, 0.1) !default
 $card-header-weight: $weight-bold !default
 
 $card-content-background-color: transparent !default

sass/components/dropdown.sass

@@ -1,16 +1,16 @@
 $dropdown-menu-min-width: 12rem !default
 
-$dropdown-content-background-color: $white !default
+$dropdown-content-background-color: $scheme-main !default
 $dropdown-content-arrow: $link !default
 $dropdown-content-offset: 4px !default
 $dropdown-content-padding-bottom: 0.5rem !default
 $dropdown-content-padding-top: 0.5rem !default
 $dropdown-content-radius: $radius !default
-$dropdown-content-shadow: 0 0.5em 1em -0.125em rgba($black, 0.1), 0 0px 0 1px rgba($black, 0.02) !default
+$dropdown-content-shadow: 0 0.5em 1em -0.125em rgba($scheme-invert, 0.1), 0 0px 0 1px rgba($scheme-invert, 0.02) !default
 $dropdown-content-z: 20 !default
 
-$dropdown-item-color: $grey-dark !default
-$dropdown-item-hover-color: $black !default
+$dropdown-item-color: $text !default
+$dropdown-item-hover-color: $scheme-invert !default
 $dropdown-item-hover-background-color: $background !default
 $dropdown-item-active-color: $link-invert !default
 $dropdown-item-active-background-color: $link !default

sass/components/list.sass

@@ -1,5 +1,5 @@
-$list-background-color: $white !default
-$list-shadow: 0 2px 3px rgba($black, 0.1), 0 0 0 1px rgba($black, 0.1) !default
+$list-background-color: $scheme-main !default
+$list-shadow: 0 2px 3px rgba($scheme-invert, 0.1), 0 0 0 1px rgba($scheme-invert, 0.1) !default
 $list-radius: $radius !default
 
 $list-item-border: 1px solid $border !default

sass/components/media.sass

@@ -1,11 +1,13 @@
+$media-border-color: rgba($border, 0.5) !default
+
 .media
   align-items: flex-start
   display: flex
   text-align: left
   .content:not(:last-child)
     margin-bottom: 0.75rem
   .media
-    border-top: 1px solid rgba($border, 0.5)
+    border-top: 1px solid $media-border-color
     display: flex
     padding-top: 0.75rem
     .content:not(:last-child),
@@ -16,7 +18,7 @@
       & + .media
         margin-top: 0.5rem
   & + .media
-    border-top: 1px solid rgba($border, 0.5)
+    border-top: 1px solid $media-border-color
     margin-top: 1rem
     padding-top: 1rem
   // Sizes

sass/components/message.sass

@@ -13,7 +13,7 @@ $message-body-color: $text !default
 $message-body-padding: 1.25em 1.5em !default
 $message-body-radius: $radius !default
 
-$message-body-pre-background-color: $white !default
+$message-body-pre-background-color: $scheme-main !default
 $message-body-pre-code-background-color: transparent !default
 
 $message-header-body-border-width: 0 !default
@@ -40,18 +40,31 @@ $message-colors: $colors !default
   @each $name, $pair in $message-colors
     $color: nth($pair, 1)
     $color-invert: nth($pair, 2)
-    $color-lightning: max((100% - lightness($color)) - 2%, 0%)
-    $color-luminance: colorLuminance($color)
-    $darken-percentage: $color-luminance * 70%
-    $desaturate-percentage: $color-luminance * 30%
+
+    $light-background: null
+    @if length($pair) > 2
+      $light-background: nth($pair, 3)
+    @else
+      $color-lightning: max((100% - lightness($color)) - 2%, 0%)
+      $light-background: lighten($color, $color-lightning)
+
+    $dark-color: null
+    @if length($pair) > 3
+      $dark-color: nth($pair, 4)
+    @else
+      $color-luminance: colorLuminance($color)
+      $darken-percentage: $color-luminance * 70%
+      $desaturate-percentage: $color-luminance * 30%
+      $dark-color: desaturate(darken($color, $darken-percentage), $desaturate-percentage)
+
     &.is-#{$name}
-      background-color: lighten($color, $color-lightning)
+      background-color: $light-background
       .message-header
         background-color: $color
         color: $color-invert
       .message-body
         border-color: $color
-        color: desaturate(darken($color, $darken-percentage), $desaturate-percentage)
+        color: $dark-color
 
 .message-header
   align-items: center

sass/components/modal.sass

@@ -1,6 +1,6 @@
 $modal-z: 40 !default
 
-$modal-background-background-color: rgba($black, 0.86) !default
+$modal-background-background-color: rgba($scheme-invert, 0.86) !default
 
 $modal-content-width: 640px !default
 $modal-content-margin-mobile: 20px !default
@@ -25,7 +25,7 @@ $modal-card-title-size: $size-4 !default
 $modal-card-foot-radius: $radius-large !default
 $modal-card-foot-border-top: 1px solid $border !default
 
-$modal-card-body-background-color: $white !default
+$modal-card-body-background-color: $scheme-main !default
 $modal-card-body-padding: 20px !default
 
 .modal

sass/components/navbar.sass

@@ -1,4 +1,4 @@
-$navbar-background-color: $white !default
+$navbar-background-color: $scheme-main !default
 $navbar-box-shadow-size: 0 2px 0 0 !default
 $navbar-box-shadow-color: $background !default
 $navbar-height: 3.25rem !default
@@ -7,10 +7,10 @@ $navbar-padding-horizontal: 2rem !default
 $navbar-z: 30 !default
 $navbar-fixed-z: 30 !default
 
-$navbar-item-color: $grey-dark !default
+$navbar-item-color: $text !default
 $navbar-item-hover-color: $link !default
-$navbar-item-hover-background-color: $white-bis !default
-$navbar-item-active-color: $black !default
+$navbar-item-hover-background-color: $scheme-main-bis !default
+$navbar-item-active-color: $scheme-invert !default
 $navbar-item-active-background-color: transparent !default
 $navbar-item-img-max-height: 1.75rem !default
 
@@ -24,17 +24,17 @@ $navbar-tab-active-border-bottom-color: $link !default
 $navbar-tab-active-border-bottom-style: solid !default
 $navbar-tab-active-border-bottom-width: 3px !default
 
-$navbar-dropdown-background-color: $white !default
+$navbar-dropdown-background-color: $scheme-main !default
 $navbar-dropdown-border-top: 2px solid $border !default
 $navbar-dropdown-offset: -4px !default
 $navbar-dropdown-arrow: $link !default
 $navbar-dropdown-radius: $radius-large !default
 $navbar-dropdown-z: 20 !default
 
 $navbar-dropdown-boxed-radius: $radius-large !default
-$navbar-dropdown-boxed-shadow: 0 8px 8px rgba($black, 0.1), 0 0 0 1px rgba($black, 0.1) !default
+$navbar-dropdown-boxed-shadow: 0 8px 8px rgba($scheme-invert, 0.1), 0 0 0 1px rgba($scheme-invert, 0.1) !default
 
-$navbar-dropdown-item-hover-color: $black !default
+$navbar-dropdown-item-hover-color: $scheme-invert !default
 $navbar-dropdown-item-hover-background-color: $background !default
 $navbar-dropdown-item-active-color: $link !default
 $navbar-dropdown-item-active-background-color: $background !default
@@ -245,7 +245,7 @@ a.navbar-item,
       display: none
   .navbar-menu
     background-color: $navbar-background-color
-    box-shadow: 0 8px 16px rgba($black, 0.1)
+    box-shadow: 0 8px 16px rgba($scheme-invert, 0.1)
     padding: 0.5rem 0
     &.is-active
       display: block
@@ -257,7 +257,7 @@ a.navbar-item,
     &.is-fixed-bottom-touch
       bottom: 0
       &.has-shadow
-        box-shadow: 0 -2px 3px rgba($black, 0.1)
+        box-shadow: 0 -2px 3px rgba($scheme-invert, 0.1)
     &.is-fixed-top-touch
       top: 0
     &.is-fixed-top,
@@ -331,7 +331,7 @@ a.navbar-item,
         border-radius: $navbar-dropdown-radius $navbar-dropdown-radius 0 0
         border-top: none
         bottom: 100%
-        box-shadow: 0 -8px 8px rgba($black, 0.1)
+        box-shadow: 0 -8px 8px rgba($scheme-invert, 0.1)
         top: auto
     &.is-active,
     &.is-hoverable:focus,
@@ -358,7 +358,7 @@ a.navbar-item,
     border-bottom-left-radius: $navbar-dropdown-radius
     border-bottom-right-radius: $navbar-dropdown-radius
     border-top: $navbar-dropdown-border-top
-    box-shadow: 0 8px 8px rgba($black, 0.1)
+    box-shadow: 0 8px 8px rgba($scheme-invert, 0.1)
     display: none
     font-size: 0.875rem
     left: 0
@@ -409,7 +409,7 @@ a.navbar-item,
     &.is-fixed-bottom-desktop
       bottom: 0
       &.has-shadow
-        box-shadow: 0 -2px 3px rgba($black, 0.1)
+        box-shadow: 0 -2px 3px rgba($scheme-invert, 0.1)
     &.is-fixed-top-desktop
       top: 0
   html,

sass/components/pagination.sass

@@ -1,5 +1,5 @@
-$pagination-color: $grey-darker !default
-$pagination-border-color: $grey-lighter !default
+$pagination-color: $text-strong !default
+$pagination-border-color: $border !default
 $pagination-margin: -0.25rem !default
 $pagination-min-width: $control-height !default
 
@@ -17,17 +17,17 @@ $pagination-focus-border-color: $link-focus-border !default
 $pagination-active-color: $link-active !default
 $pagination-active-border-color: $link-active-border !default
 
-$pagination-disabled-color: $grey !default
-$pagination-disabled-background-color: $grey-lighter !default
-$pagination-disabled-border-color: $grey-lighter !default
+$pagination-disabled-color: $text-light !default
+$pagination-disabled-background-color: $border !default
+$pagination-disabled-border-color: $border !default
 
 $pagination-current-color: $link-invert !default
 $pagination-current-background-color: $link !default
 $pagination-current-border-color: $link !default
 
 $pagination-ellipsis-color: $grey-light !default
 
-$pagination-shadow-inset: inset 0 1px 2px rgba($black, 0.2)
+$pagination-shadow-inset: inset 0 1px 2px rgba($scheme-invert, 0.2)
 
 .pagination
   font-size: $size-normal

sass/components/panel.sass

@@ -1,7 +1,7 @@
 $panel-margin: $block-spacing !default
 $panel-item-border: 1px solid $border-light !default
 $panel-radius: $radius-large !default
-$panel-shadow: 0 0.5em 1em -0.125em rgba($black, 0.1), 0 0px 0 1px rgba($black, 0.02) !default
+$panel-shadow: 0 0.5em 1em -0.125em rgba($scheme-invert, 0.1), 0 0px 0 1px rgba($scheme-invert, 0.02) !default
 
 $panel-heading-background-color: $background !default
 $panel-heading-color: $text-strong !default

sass/components/tabs.sass

@@ -12,7 +12,7 @@ $tabs-boxed-link-radius: $radius !default
 $tabs-boxed-link-hover-background-color: $background !default
 $tabs-boxed-link-hover-border-bottom-color: $border !default
 
-$tabs-boxed-link-active-background-color: $white !default
+$tabs-boxed-link-active-background-color: $scheme-main !default
 $tabs-boxed-link-active-border-color: $border !default
 $tabs-boxed-link-active-border-bottom-color: transparent !default
 

sass/elements/box.sass

@@ -1,11 +1,11 @@
 $box-color: $text !default
-$box-background-color: $white !default
+$box-background-color: $scheme-main !default
 $box-radius: $radius-large !default
-$box-shadow: 0 0.5em 1em -0.125em rgba($black, 0.1), 0 0px 0 1px rgba($black, 0.02) !default
+$box-shadow: 0 0.5em 1em -0.125em rgba($scheme-invert, 0.1), 0 0px 0 1px rgba($scheme-invert, 0.02) !default
 $box-padding: 1.25rem !default
 
-$box-link-hover-shadow: 0 0.5em 1em -0.125em rgba($black, 0.1), 0 0 0 1px $link !default
-$box-link-active-shadow: inset 0 1px 2px rgba($black, 0.2), 0 0 0 1px $link !default
+$box-link-hover-shadow: 0 0.5em 1em -0.125em rgba($scheme-invert, 0.1), 0 0 0 1px $link !default
+$box-link-active-shadow: inset 0 1px 2px rgba($scheme-invert, 0.2), 0 0 0 1px $link !default
 
 .box
   @extend %block

sass/elements/button.sass

@@ -1,8 +1,8 @@
-$button-color: $grey-darker !default
-$button-background-color: $white !default
+$button-color: $text-strong !default
+$button-background-color: $scheme-main !default
 $button-family: false !default
 
-$button-border-color: $grey-lighter !default
+$button-border-color: $border !default
 $button-border-width: $control-border-width !default
 
 $button-padding-vertical: calc(0.5em - #{$button-border-width}) !default
@@ -23,14 +23,14 @@ $button-text-color: $text !default
 $button-text-hover-background-color: $background !default
 $button-text-hover-color: $text-strong !default
 
-$button-disabled-background-color: $white !default
-$button-disabled-border-color: $grey-lighter !default
+$button-disabled-background-color: $scheme-main !default
+$button-disabled-border-color: $border !default
 $button-disabled-shadow: none !default
 $button-disabled-opacity: 0.5 !default
 
-$button-static-color: $grey !default
-$button-static-background-color: $white-ter !default
-$button-static-border-color: $grey-lighter !default
+$button-static-color: $text-light !default
+$button-static-background-color: $scheme-main-ter !default
+$button-static-border-color: $border !default
 
 // The button sizes use mixins so they can be used at different breakpoints
 =button-small
@@ -206,6 +206,23 @@ $button-static-border-color: $grey-lighter !default
           border-color: $color-invert
           box-shadow: none
           color: $color-invert
+      // If light and dark colors are provided
+      @if length($pair) > 3
+        $color-light: nth($pair, 3)
+        $color-dark: nth($pair, 4)
+        &.is-light
+          background-color: $color-light
+          color: $color-dark
+          &:hover,
+          &.is-hovered
+            background-color: darken($color-light, 2.5%)
+            border-color: transparent
+            color: $color-dark
+          &:active,
+          &.is-active
+            background-color: darken($color-light, 5%)
+            border-color: transparent
+            color: $color-dark
   // Sizes
   &.is-small
     +button-small

sass/elements/notification.sass

@@ -1,4 +1,5 @@
 $notification-background-color: $background !default
+$notification-code-background-color: $scheme-main !default
 $notification-radius: $radius !default
 $notification-padding: 1.25rem 2.5rem 1.25rem 1.5rem !default
 
@@ -15,7 +16,7 @@ $notification-padding: 1.25rem 2.5rem 1.25rem 1.5rem !default
     color: currentColor
   code,
   pre
-    background: $white
+    background: $notification-code-background-color
   pre code
     background: transparent
   & > .delete

sass/elements/table.sass

@@ -1,7 +1,7 @@
-$table-color: $grey-darker !default
-$table-background-color: $white !default
+$table-color: $text-strong !default
+$table-background-color: $scheme-main !default
 
-$table-cell-border: 1px solid $grey-lighter !default
+$table-cell-border: 1px solid $border !default
 $table-cell-border-width: 0 0 1px !default
 $table-cell-padding: 0.5em 0.75em !default
 $table-cell-heading-color: $text-strong !default
@@ -15,13 +15,13 @@ $table-head-background-color: transparent !default
 $table-body-background-color: transparent !default
 $table-foot-background-color: transparent !default
 
-$table-row-hover-background-color: $white-bis !default
+$table-row-hover-background-color: $scheme-main-bis !default
 
 $table-row-active-background-color: $primary !default
 $table-row-active-color: $primary-invert !default
 
-$table-striped-row-even-background-color: $white-bis !default
-$table-striped-row-even-hover-background-color: $white-ter !default
+$table-striped-row-even-background-color: $scheme-main-bis !default
+$table-striped-row-even-hover-background-color: $scheme-main-ter !default
 
 .table
   @extend %block