$background-color: #0f161e;
$text-color: #e0e0e0;

$primary-color: #284371;
$secondary-color: #546c99;
$danger-color: #6d2a20;
$warning-color: #6d421a;
$success-color: #25603e;
$information-color: #1c606a;
$special-color: #65206e;

$upvote-color: #5b9b26;
$downvote-color: #da3412;
$fave-color: #a18e27;
$comment-color: #b099dd;
$hide-color: #da3412;

$tag-default-color: #1b3c21;
$tag-error-color: #4f181d;
$tag-rating-color: #113456;
$tag-origin-color: #1d1858;
$tag-character-color: #193f47;
$tag-oc-color: #451f47;
$tag-species-color: #362118;
$tag-body-type-color: #393939;
$tag-content-fanmade-color: #622c4e;
$tag-content-official-color: #4b491c;
$tag-spoiler-color: #4f3811;

$spoiler-color: #0f0f0f;

@define-mixin tag-color $tagname, $color, $text-percentage: 35, $border-percentage: 15 {
  --tag-$(tagname)-color: $(color);
  --tag-$(tagname)-border-color: hsl(from $color h s calc(l + $border-percentage));
  --tag-$(tagname)-text-color: hsl(from $color h s calc(l + $text-percentage));
}

@define-mixin type-color $type, $color {
  --$(type)-color: $color;
  --$(type)-border-color: hsl(from $color h calc(s - 20) calc(l + 10));
  --$(type)-muted-color: hsl(from $color h calc(s - 10) calc(l - 7));
  --$(type)-dark-color: hsl(from $color h calc(s - 30) calc(l - 11));
  --$(type)-link-color: hsl(from $color h calc(s + 10) calc(l + 45));
}

:root {
  /* Main colors */
  --background-color: $background-color;
  --text-color: $text-color;
  --text-light-color: $text-color;

  /* Link colors */
  --link-color: hsl(from $primary-color h calc(s + 10) calc(l + 40));
  --link-hover-color: $text-color;

  /* Primary color (block backgrounds and such) */
  --primary-color: $primary-color;
  --primary-border-color: hsl(from $primary-color h calc(s - 20) calc(l + 5));
  --primary-muted-color: hsl(from $primary-color h calc(s - 10) calc(l - 10));
  --primary-dark-color: hsl(from $primary-color h calc(s - 15) calc(l - 15));
  --primary-link-color: var(--link-color); /* for consistency */

  /* Secondary color (most buttons) */
  --secondary-color: $secondary-color;
  --secondary-border-color: hsl(from $secondary-color h s calc(l + 5));
  --secondary-muted-color: hsl(from $secondary-color h s calc(l - 17));
  --secondary-dark-color: hsl(from $secondary-color h calc(s - 5) calc(l - 25));
  --secondary-link-color: hsl(from $secondary-color h s calc(l + 40));

  /* Interaction (vote) colors */
  --upvote-color: $upvote-color;
  --downvote-color: $downvote-color;
  --fave-color: $fave-color;
  --comment-color: $comment-color;
  --hide-color: $hide-color;

  /* Spoiler colors */
  --spoiler-color: $spoiler-color;
  --spoiler-revealed-color: hsl(from $spoiler-color h s calc(l + 20));

  /* Type (information category) colors */
  @mixin type-color success, $success-color;
  @mixin type-color warning, $warning-color;
  @mixin type-color danger, $danger-color;
  @mixin type-color information, $information-color;
  @mixin type-color special, $special-color;

  /* Tag colors */
  @mixin tag-color default, $tag-default-color;
  @mixin tag-color error, $tag-error-color, 37;
  @mixin tag-color rating, $tag-rating-color, 37;
  @mixin tag-color origin, $tag-origin-color, 42;
  @mixin tag-color character, $tag-character-color;
  @mixin tag-color oc, $tag-oc-color, 40;
  @mixin tag-color species, $tag-species-color, 37;
  @mixin tag-color body-type, $tag-body-type-color, 45, 12;
  @mixin tag-color content-fanmade, $tag-content-fanmade-color, 40;
  @mixin tag-color content-official, $tag-content-official-color;
  @mixin tag-color spoiler, $tag-spoiler-color;
}