nord.css

/*
 * Copyright (c) 2016-present Sven Greb <development@svengreb.de>
 * This source code is licensed under the MIT license found in the license file.
 */

/*
 * References:
 *   1. https://www.w3.org/TR/css-variables
 *   2. https://www.w3.org/TR/selectors/#root-pseudo
 *   3. https://drafts.csswg.org/css-variables
 *   4. https://developer.mozilla.org/en-US/docs/Web/CSS/Using_CSS_variables
 *   5. https://warpspire.com/kss
 *   6. https://github.com/kss-node/kss-node
 */

/*
An arctic, north-bluish color palette.
Created for the clean- and minimal flat design pattern to achieve a optimal focus and readability for code syntax
highlighting and UI.
It consists of a total of sixteen, carefully selected, dimmed pastel colors for a eye-comfortable, but yet colorful
ambiance.

Styleguide Nord
*/

:root {
  /*
  Base component color of "Polar Night".

  Used for texts, backgrounds, carets and structuring characters like curly- and square brackets.

  Markup:
  <div style="background-color:#2e3440; width=60; height=60"></div>

  Styleguide Nord - Polar Night
  */
  --nord0: #2e3440;

  /*
  Lighter shade color of the base component color.

  Used as a lighter background color for UI elements like status bars.

  Markup:
  <div style="background-color:#3b4252; width=60; height=60"></div>

  Styleguide Nord - Polar Night
  */
  --nord1: #3b4252;

  /*
  Lighter shade color of the base component color.

  Used as line highlighting in the editor.
  In the UI scope it may be used as selection- and highlight color.

  Markup:
  <div style="background-color:#434c5e; width=60; height=60"></div>

  Styleguide Nord - Polar Night
  */
  --nord2: #434c5e;

  /*
  Lighter shade color of the base component color.

  Used for comments, invisibles, indent- and wrap guide marker.
  In the UI scope used as pseudoclass color for disabled elements.

  Markup:
  <div style="background-color:#4c566a; width=60; height=60"></div>

  Styleguide Nord - Polar Night
  */
  --nord3: #4c566a;

  /*
  Base component color of "Snow Storm".

  Main color for text, variables, constants and attributes.
  In the UI scope used as semi-light background depending on the theme shading design.

  Markup:
  <div style="background-color:#d8dee9; width=60; height=60"></div>

  Styleguide Nord - Snow Storm
  */
  --nord4: #d8dee9;

  /*
  Lighter shade color of the base component color.

  Used as a lighter background color for UI elements like status bars.
  Used as semi-light background depending on the theme shading design.

  Markup:
  <div style="background-color:#e5e9f0; width=60; height=60"></div>

  Styleguide Nord - Snow Storm
  */
  --nord5: #e5e9f0;

  /*
  Lighter shade color of the base component color.

  Used for punctuations, carets and structuring characters like curly- and square brackets.
  In the UI scope used as background, selection- and highlight color depending on the theme shading design.

  Markup:
  <div style="background-color:#eceff4; width=60; height=60"></div>

  Styleguide Nord - Snow Storm
  */
  --nord6: #eceff4;

  /*
  Bluish core color.

  Used for classes, types and documentation tags.

  Markup:
  <div style="background-color:#8fbcbb; width=60; height=60"></div>

  Styleguide Nord - Frost
  */
  --nord7: #8fbcbb;

  /*
  Bluish core accent color.

  Represents the accent color of the color palette.
  Main color for primary UI elements and methods/functions.

  Can be used for
    - Markup quotes
    - Markup link URLs

  Markup:
  <div style="background-color:#88c0d0; width=60; height=60"></div>

  Styleguide Nord - Frost
  */
  --nord8: #88c0d0;

  /*
  Bluish core color.

  Used for language-specific syntactic/reserved support characters and keywords, operators, tags, units and
  punctuations like (semi)colons,commas and braces.

  Markup:
  <div style="background-color:#81a1c1; width=60; height=60"></div>

  Styleguide Nord - Frost
  */
  --nord9: #81a1c1;

  /*
  Bluish core color.

  Used for markup doctypes, import/include/require statements, pre-processor statements and at-rules (`@`).

  Markup:
  <div style="background-color:#5e81ac; width=60; height=60"></div>

  Styleguide Nord - Frost
  */
  --nord10: #5e81ac;

  /*
  Colorful component color.

  Used for errors, git/diff deletion and linter marker.

  Markup:
  <div style="background-color:#bf616a; width=60; height=60"></div>

  Styleguide Nord - Aurora
  */
  --nord11: #bf616a;

  /*
  Colorful component color.

  Used for annotations.

  Markup:
  <div style="background-color:#d08770; width=60; height=60"></div>

  Styleguide Nord - Aurora
  */
  --nord12: #d08770;

  /*
  Colorful component color.

  Used for escape characters, regular expressions and markup entities.
  In the UI scope used for warnings and git/diff renamings.

  Markup:
  <div style="background-color:#ebcb8b; width=60; height=60"></div>

  Styleguide Nord - Aurora
  */
  --nord13: #ebcb8b;

  /*
  Colorful component color.

  Main color for strings and attribute values.
  In the UI scope used for git/diff additions and success visualizations.

  Markup:
  <div style="background-color:#a3be8c; width=60; height=60"></div>

  Styleguide Nord - Aurora
  */
  --nord14: #a3be8c;

  /*
  Colorful component color.

  Used for numbers.

  Markup:
  <div style="background-color:#b48ead; width=60; height=60"></div>

  Styleguide Nord - Aurora
  */
  --nord15: #b48ead;
}