@use "sass:math";
@use "../abstracts/functions" as fun;

//===========================================================================
// Ratios
//===========================================================================

/// Ratios map
/// @prop {String} keys - Keys are identifiers mapped to a given ratio
/// @prop {Map} value - Value is actual ratio
$ratios: (
  "minor-second": 1.067,
  "major-second": 1.125,
  "minor-third": 1.2,
  "major-third": 1.25,
  "perfect-fourth": 1.333,
  "augmented-fourth": 1.414,
  "perfect-fifth": 1.5,
  "golden-number": 1.618,
);

// Cannot declare the following function in partials due to module loop.
// Also, it will only be used in this file so it is not a problem.

/// Get ratio
/// @param {String} $name - Ratio name.
/// @return {Integer} The ratio value.
@function get-ratio($name) {
  @return map-get($ratios, $name);
}

//===========================================================================
// Layout
//===========================================================================

/// Breakpoints map
/// @prop {String} keys - Keys are identifiers mapped to a given length
/// @prop {Map} values - Values are actual breakpoints expressed in pixels
$breakpoints: (
  "xs": fun.convert-px(568, "em"),
  "sm": fun.convert-px(768, "em"),
  "md": fun.convert-px(1024, "em"),
  "lg": fun.convert-px(1200, "em"),
  "xl": fun.convert-px(1600, "em"),
  "2xl": fun.convert-px(1920, "em"),
);

//===========================================================================
// Fonts
//===========================================================================

/* stylelint-disable -- Fonts name are not keywords, lowercase is not needed. */
/// Regular font family
/// @type List
$font-family_primary: ("Inter", "Liberation Sans", Arial, sans-serif);

/// Alternative regular font family
/// @type List
$font-family_secondary: ("Kanit", "Liberation Sans", Arial, sans-serif);

$line-height: get-ratio("golden-number");

$font-size_base: 16px;
$font-size_base-rem: fun.convert-px(16); // font-size_base without unit
$font-size_ratio: get-ratio("minor-third");
$font-size_sm: $font-size_base-rem * math.pow($font-size_ratio, -1);
$font-size_md: $font-size_base-rem * math.pow($font-size_ratio, 0);
$font-size_lg: $font-size_base-rem * math.pow($font-size_ratio, 1);
$font-size_xl: $font-size_base-rem * math.pow($font-size_ratio, 2);
$font-size_2xl: $font-size_base-rem * math.pow($font-size_ratio, 3);

//============================================================================
// Spacings
//============================================================================

$spacing_ratio: get-ratio("golden-number");
$spacing_base: $spacing_ratio * 1rem;

$spacing_3xs: math.div($spacing_base, 4);
$spacing_2xs: math.div($spacing_base, 3);
$spacing_xs: math.div($spacing_base, 2);
$spacing_sm: math.div($spacing_base, 1.5);
$spacing_md: $spacing_base;
$spacing_lg: $spacing_base * 1.5;

//============================================================================
// Colors
//============================================================================

$color_black-squeeze: hsl(212, 55%, 97%);
$color_catskill-white: hsl(212, 53%, 92%);
$color_link-water: hsl(212, 51%, 87%);
$color_geyser: hsl(212, 27%, 83%);
$color_gull-gray: hsl(212, 15%, 66%);
$color_pale-sky: hsl(212, 13%, 46%);
$color_nile-blue: hsl(212, 47%, 19%);
$color_firefly: hsl(212, 45%, 11%);
$color_chambray: hsl(212, 45%, 40%);
$color_chathams-blue: hsl(212, 65%, 28%);
$color_chathams-blue-light: hsl(212, 90%, 30%);
$color_chathams-blue-light-opacity-25: hsla(212, 90%, 30%, 0.25);
$color_chathams-blue-dark: hsl(212, 70%, 25%);