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Introduce a dark mode #68

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4e13f52
Remove duplicated section colours
hellcp Nov 21, 2025
03b3566
Make sure that the grays are ordered by luminocity
hellcp Nov 21, 2025
15508f7
Replace bg, fg and border colours with css variables
hellcp Nov 21, 2025
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11 changes: 6 additions & 5 deletions source/_sass/app.scss
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Original file line number Diff line number Diff line change
Expand Up @@ -40,7 +40,8 @@ html {

body {
padding-top: $header-height;
background-color: $gray-01;
background-color: var(--dev-bg-primary);
color: var(--dev-fg-primary);
}

.anchor[id],
Expand All @@ -59,17 +60,17 @@ body {
}

code {
background-color: $white;
background-color: var(--dev-bg-secondary);
border-radius: 2px;
color: color.adjust($base-font-color, $lightness: -20%, $space: hsl);
color: var(--dev-fg-tertiary);
font-family: $monospace;
font-size: $base-font-size;
padding: 2px 4px;
box-shadow: inset 0 0 2px #bbb;
}

a code {
color: color.adjust($base-link-color, $lightness: -10%, $space: hsl);
color: var(--dev-fg-tertiary);
}

.container {
Expand Down Expand Up @@ -238,7 +239,7 @@ a code {
}

.modal-content {
background-color: $gray-01;
background-color: var(--dev-bg-primary);
}

.header--skinny {
Expand Down
8 changes: 4 additions & 4 deletions source/_sass/base/_typography.scss
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Original file line number Diff line number Diff line change
Expand Up @@ -76,7 +76,7 @@ a {
}

hr {
border-bottom: 1px solid $base-border-color;
border-bottom: 1px solid var(--dev-fg-primary);
border-left: none;
border-right: none;
border-top: none;
Expand All @@ -89,14 +89,14 @@ img {
}

blockquote {
border-left: 2px solid $base-border-color;
color: color.adjust($base-font-color, $lightness: 15%, $space: hsl);
border-left: 2px solid var(--dev-fg-primary);
color: var(--dev-fg-secondary);
margin: $base-line-height 0;
padding-left: $base-line-height * 0.5;
}

cite {
color: color.adjust($base-font-color, $lightness: 25%, $space: hsl);
color: var(--dev-fg-secondary);
font-style: italic;

&:before {
Expand Down
16 changes: 7 additions & 9 deletions source/_sass/base/_variables.scss
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Original file line number Diff line number Diff line change
Expand Up @@ -31,30 +31,28 @@ $header-line-height: 1.3;
$base-border-radius: em(3);

// Background Color
$base-background-color: #fff;
$base-background-color: var(--dev-bg-primary);

// Font Colors
$base-font-color: $gray-03;
$base-font-color: var(--dev-fg-primary);
$base-text-color: $base-font-color;
$base-accent-color: $lightblue;

// Link Colors
$base-link-color: $base-accent-color;
$hover-link-color: color.adjust($base-accent-color, $lightness: -15%, $space: hsl);
$base-link-color: var(--dev-link);
$hover-link-color: var(--dev-link-hover);
$base-button-color: $base-link-color;
$hover-button-color: $hover-link-color;

// Border color
$base-border-color: $gray-03;

// Flash Colors
$alert-color: $yellow;
$error-color: $red;
$notice-color: $yellow;
$success-color: $green;

// Forms
$form-border-color: $base-border-color;
$form-border-color-hover: color.adjust($base-border-color, $lightness: -10%, $space: hsl);
$form-border-color: var(--dev-border-primary);
$form-border-color-hover: var(--dev-border-tertiary);
$form-border-color-focus: $base-accent-color;
$form-border-radius: $base-border-radius;
$form-box-shadow: inset 0 1px 3px rgba(0,0,0,0.06);
Expand Down
70 changes: 49 additions & 21 deletions source/_sass/colors.scss
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Original file line number Diff line number Diff line change
Expand Up @@ -54,27 +54,16 @@ $bigbox--green: #22a048;
$bigbox--darkgreen: color.adjust($bigbox--green, $lightness: -20%, $space: hsl);
$bigbox--dark-blue: color.adjust($darkerlightblue, $lightness: -20%, $space: hsl);

$color-guides: $yellow;
$color-docs: $pink;
$color-community: $purple;
$color-more: $green;
$color-getting-started: $dark-red;
$color-sdk: $lightblue;
$color-appstore: $orange;
$color-other: $dark-grey;

$gray-01: #f4f4f4;
$gray-02: #444;
$gray-03: #484848;
$gray-04: #eee;
$gray-05: #e5e4e4;
$gray-06: #d6d6d6;
$gray-07: #272822;
$gray-08: #ddd;
$gray-09: #bebebe;
$gray-10: #d9d9d9;
$gray-11: #666;
$gray-12: #ccc;
$gray-02: #eee;
$gray-03: #e5e4e4;
$gray-04: #d9d9d9;
$gray-05: #bebebe;
$gray-06: #beef69;
$gray-07: #666;
$gray-08: #444;
$gray-09: #272822;
$gray-10: #12130f;

$bigbox--blue: $lightblue;
$bigbox--green: #22a048;
Expand All @@ -85,7 +74,8 @@ $color-community: $purple;
$color-more: $green;
$color-getting-started: $dark-red;
$color-sdk: $lightblue;
$color-appstore: $gray-03;
$color-appstore: $gray-08;
$color-other: $dark-grey;
$color-blog: $orange-02;
$color-examples: #2c67ce;

Expand All @@ -97,3 +87,41 @@ $modifier-colors: $color-guides, $color-docs, $color-community, $color-more,
$color-blog;

$modifier-colors-fg: $white $white $white $white $white $white $white $white;

@media all {
:root {
/* Dark Mode Support */
color-scheme: light dark;

--dev-bg-primary: #{$gray-01};
--dev-bg-secondary: #{$white};
--dev-bg-tertiary: #{$gray-03};
--dev-bg-prominent: #{$gray-02};
--dev-fg-primary: #{$gray-08};
--dev-fg-secondary: #{$gray-07};
--dev-fg-tertiary: #{$gray-09};
--dev-fg-muted: #{$gray-05};
--dev-border-primary: #{$gray-04};
--dev-border-secondary: #{$gray-03};
--dev-border-tertiary: #{$gray-05};
--dev-link: #{$pebble-blue};
--dev-link-hover: #{$pebble-blue-alt};
}
}

@media screen and (prefers-color-scheme: dark) {
:root {
--dev-bg-primary: #{$gray-10};
--dev-bg-secondary: #{$gray-09};
--dev-bg-tertiary: #{$black};
--dev-bg-prominent: #{$gray-08};
--dev-fg-primary: #{$white};
--dev-fg-secondary: #{$breakfast-room-white};
--dev-fg-tertiary: #{$gray-01};
--dev-border-primary: #{$black};
--dev-border-secondary: #{$gray-10};
--dev-border-tertiary: #{$gray-09};
--dev-link: #{color.adjust(#16b5d8, $lightness: 20%, $space: hsl)};
--dev-link-hover: #{$pebble-blue};
}
}
12 changes: 7 additions & 5 deletions source/_sass/elements/bigbox.scss
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Original file line number Diff line number Diff line change
Expand Up @@ -98,15 +98,17 @@
}

.bigbox--lightgray {
background-color: $gray-04;
background-color: $gray-02;
color: $gray-08;
}

.bigbox--gray {
background-color: $gray-05;
background-color: $gray-03;
color: $gray-08;
}

.bigbox--darkgray {
background-color: $gray-02;
background-color: $gray-08;
color: $white;
}

Expand Down Expand Up @@ -170,7 +172,7 @@
}

.bigbox__guides-building {
background-color: $gray-02;
background-color: $gray-08;
color: $breakfast-room-white;
background-image: url('/assets/images/landing-page/back_for_more_bg.png');
}
Expand All @@ -182,7 +184,7 @@
}

.bigbox__guides-interactive {
background-color: $gray-02;
background-color: $gray-08;
color: $breakfast-room-white;
background-image: url('/assets/images/landing-page/interactive_bg.png');
}
4 changes: 2 additions & 2 deletions source/_sass/elements/buttons.scss
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Original file line number Diff line number Diff line change
Expand Up @@ -38,8 +38,8 @@ submit.btn {
font-size: inherit;
}

$btn-colors: $white $gray-02 $green $blue $red $purple $yellow $orange $lightblue $dark-red $orange-02 $android-green;
$btn-names: 'white' gray-02 'green' 'blue' 'red' 'purple' 'yellow' 'orange' 'lightblue' 'dark-red' 'orange-02' 'android-green';
$btn-colors: $white $dark-grey $green $blue $red $purple $yellow $orange $lightblue $dark-red $orange-02 $android-green;
$btn-names: 'white' 'dark-grey' 'green' 'blue' 'red' 'purple' 'yellow' 'orange' 'lightblue' 'dark-red' 'orange-02' 'android-green';

@each $color in $btn-colors {
$i: list.index($btn-colors, $color);
Expand Down
18 changes: 9 additions & 9 deletions source/_sass/elements/form.scss
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Original file line number Diff line number Diff line change
Expand Up @@ -24,11 +24,11 @@
input,
select,
textarea {
background-color: white;
border: 1px solid $gray-06;
background-color: var(--dev-bg-secondary);
border: 1px solid var(--dev-border-primary);
border-left: none;
border-radius: 0 5px 5px 0;
color: $gray-02;
color: var(--dev-fg-primary);
display: table-cell;
font-family: $sans-serif;
font-size: 15px;
Expand Down Expand Up @@ -57,11 +57,11 @@
}

.select-style {
background-color: white;
background-color: var(--dev-bg-secondary);
border-radius: 0 5px 5px 0;
border: 1px solid $gray-06;
border: 1px solid var(--dev-border-primary);
border-left-width: 0;
color: color.adjust(#444, $alpha: -0.5);
color: var(--dev-fg-secondary);
display: table-cell;
font-family: $sans-serif;
font-size: 15px;
Expand Down Expand Up @@ -91,11 +91,11 @@
}

label {
background-color: #fff;
border: 1px solid $gray-06;
background-color: var(--dev-bg-secondary);
border: 1px solid var(--dev-border-primary);
border-right: none;
border-radius: 5px 0 0 5px;
color: #111;
color: var(--dev-fg-tertiary);
display: table-cell;
font-size: 14px;
font-weight: 400;
Expand Down
8 changes: 4 additions & 4 deletions source/_sass/elements/gray-box.scss
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Expand Up @@ -15,7 +15,7 @@
*/

.gray-box {
background-color: $gray-04;
background-color: var(--dev-bg-prominent);
border-radius: $base-border-radius;
margin-bottom: 1em;
overflow-x: hidden;
Expand All @@ -38,15 +38,15 @@
}

h3 {
color: $gray-02;
color: var(--dev-fg-primary);
font-size: 1.3em;
font-weight: 600;
text-transform: uppercase;

a,
a:hover,
a:active {
color: $gray-02;
color: var(--dev-fg-primary);
}

a:hover,
Expand All @@ -61,7 +61,7 @@
}

.white-box {
background-color: $white;
background-color: var(--dev-bg-secondary);
border-radius: $base-border-radius;
margin-bottom: 1em;
padding: 0.5em;
Expand Down
2 changes: 1 addition & 1 deletion source/_sass/elements/highlight.scss
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Original file line number Diff line number Diff line change
Expand Up @@ -15,7 +15,7 @@
*/

.highlight {
background-color: $gray-07;
background-color: $gray-09;
border-radius: $base-border-radius;
color: #f8f8f2;
font: 13px/1.3em $monospace;
Expand Down
4 changes: 2 additions & 2 deletions source/_sass/elements/inline-list.scss
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Expand Up @@ -31,7 +31,7 @@ ul.inline-list {
}

.inline-list--piped li::after {
color: color.adjust($base-font-color, $lightness: 30%, $space: hsl);
color: var(--dev-fg-secondary);
content: ' | ';
display: inline;
}
Expand All @@ -41,7 +41,7 @@ ul.inline-list {
}

.inline-list--dashed li::after {
color: color.adjust($base-font-color, $lightness: 40%, $space: hsl);
color: var(--dev-fg-secondary);
content: ' — ';
display: inline;
}
Expand Down
16 changes: 6 additions & 10 deletions source/_sass/elements/markdown.scss
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Expand Up @@ -26,14 +26,10 @@
@extend %default-ol;
}

$table-border-color: $gray-06;
$table-border-color: var(--dev-border-primary);
$table-border: 1px solid $table-border-color;
$table-background: $white;
$table-header-background: $gray-02;
$table-header-background: $gray-08;
$table-header-color: $white;
$table-hover-color: color.adjust($table-background, $lightness: -5%, $space: hsl);
$table-stripe-color: color.adjust($table-background, $lightness: -4%, $space: hsl);
$table-stripe-color-hover: color.adjust($table-stripe-color, $lightness: -5%, $space: hsl);
$table-padding: 0.5em;

table {
Expand All @@ -46,7 +42,7 @@
}

tbody {
background-color: $table-background;
background-color: var(--dev-bg-secondary);

td {
border-bottom: 0;
Expand All @@ -57,14 +53,14 @@

tr:hover > td,
tr:hover > th {
background-color: $table-hover-color;
background-color: var(--dev-bg-prominent);
}

tr:nth-child(even) {
background-color: $table-stripe-color;
background-color: var(--dev-bg-primary);

&:hover > td {
background-color: $table-stripe-color-hover;
background-color: var(--dev-bg-tertiary);
}
}
}
Expand Down
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