mirror of
https://github.com/discourse/discourse.git
synced 2024-11-25 09:42:07 +08:00
145 lines
4.9 KiB
SCSS
145 lines
4.9 KiB
SCSS
// --------------------------------------------------
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// Variables used throughout the theme
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// --------------------------------------------------
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// Layout dimensions
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// --------------------------------------------------
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$small-width: 800px !default;
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$medium-width: 995px !default;
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$large-width: 1110px !default;
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// Brand color variables
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// --------------------------------------------------
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$google: #5b76f7 !default;
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$instagram: #125688 !default;
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$facebook: #3b5998 !default;
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$cas: #70BA61 !default;
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$twitter: #00bced !default;
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$yahoo: #810293 !default;
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$github: #6d6d6d !default;
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// Fonts
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// --------------------------------------------------
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$base-font-size: 14px !default;
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$base-font-family: Helvetica, Arial, sans-serif !default;
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// Font-size defintions, multiplier ^ (step / interval)
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$font-up-6: 2.296em;
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$font-up-5: 2em;
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$font-up-4: 1.7511em;
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$font-up-3: 1.5157em;
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$font-up-2: 1.3195em;
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$font-up-1: 1.1487em; // 2^(1/5)
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$font-0: 1em;
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$font-down-1: .8706em; // 2^(-1/5)
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$font-down-2: .7579em; // Smallest size we use based on the 1em base
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$font-down-3: .6599em;
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$font-down-4: .5745em;
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$font-down-5: .5em;
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$font-down-6: .4355em;
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// Common line-heights
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$line-height-small: 1;
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$line-height-medium: 1.2; // Headings or large text
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$line-height-large: 1.4; // Normal or small text
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// These files don't actually exist. They're injected by Stylesheet::Compiler.
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// --------------------------------------------------
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@import "theme_variables";
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@import "plugins_variables";
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@import "common/foundation/math";
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// Color utilities
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// --------------------------------------------------
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// w3c definition of color brightness https://www.w3.org/TR/AERT#color-contrast
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@function dc-color-brightness($color) {
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@return ((red($color) * .299) + (green($color) * .587) + (blue($color) * .114));
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}
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// Uses an approximation of sRGB blending, GAMMA=2 instead of GAMMA=2.2
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@function srgb-scale($foreground, $background, $percent) {
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$ratio: ($percent / 100%);
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$iratio: 1 - $ratio;
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$f_r2: red($foreground) * red($foreground);
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$f_g2: green($foreground) * green($foreground);
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$f_b2: blue($foreground) * blue($foreground);
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$b_r2: red($background) * red($background);
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$b_g2: green($background) * green($background);
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$b_b2: blue($background) * blue($background);
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$r_r2: $f_r2 * $ratio + $b_r2 * $iratio;
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$r_g2: $f_g2 * $ratio + $b_g2 * $iratio;
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$r_b2: $f_b2 * $ratio + $b_b2 * $iratio;
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$r_r: sqrt($r_r2);
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$r_g: sqrt($r_g2);
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$r_b: sqrt($r_b2);
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@return rgb($r_r, $r_g, $r_b);
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}
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// Replaces dark-light-diff($primary, $secondary, 50%, -50%)
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@function blend-primary-secondary($percent) {
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@return srgb-scale($primary, $secondary, $percent);
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}
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@function dark-light-diff($adjusted-color, $comparison-color, $lightness, $darkness) {
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@if dc-color-brightness($adjusted-color) < dc-color-brightness($comparison-color) {
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@return scale-color($adjusted-color, $lightness: $lightness);
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} @else {
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@return scale-color($adjusted-color, $lightness: $darkness);
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}
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}
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@function dark-light-choose($light-theme-result, $dark-theme-result) {
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@if dc-color-brightness($primary) < dc-color-brightness($secondary) {
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@return $light-theme-result;
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} @else {
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@return $dark-theme-result;
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}
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}
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// standard color transformations, use these if possible, and add any new dark-light-diffs here
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//primary
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$primary-very-low: dark-light-diff($primary, $secondary, 97%, -80%);
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$primary-low: dark-light-diff($primary, $secondary, 90%, -65%);
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$primary-low-mid: dark-light-diff($primary, $secondary, 70%, -45%);
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$primary-medium: dark-light-diff($primary, $secondary, 50%, -35%);
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$primary-high: dark-light-diff($primary, $secondary, 30%, -10%);
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//header_primary
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$header_primary-low: dark-light-diff($header_primary, $secondary, 90%, -65%);
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$header_primary-medium: dark-light-diff($header_primary, $secondary, 50%, -20%);
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$header_primary-high: dark-light-diff($header_primary, $secondary, 20%, 20%);
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//secondary
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$secondary-low: dark-light-diff($secondary, $primary, 70%, -70%);
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$secondary-medium: dark-light-diff($secondary, $primary, 50%, -50%);
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$secondary-high: dark-light-diff($secondary, $primary, 30%, -35%);
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//tertiary
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$tertiary-low: dark-light-diff($tertiary, $secondary, 85%, -65%);
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$tertiary-medium: dark-light-diff($tertiary, $secondary, 50%, -45%);
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$tertiary-high: dark-light-diff($tertiary, $secondary, 20%, -25%);
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//quaternary
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$quaternary-low: dark-light-diff($quaternary, $secondary, 70%, -70%);
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//highlight
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$highlight-low: dark-light-diff($highlight, $secondary, 70%, -80%);
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$highlight-medium: dark-light-diff($highlight, $secondary, 50%, -55%);
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$highlight-high: dark-light-diff($highlight, $secondary, -50%, -10%);
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//danger
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$danger-low: dark-light-diff($danger, $secondary, 50%, -40%);
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$danger-medium: dark-light-diff($danger, $secondary, 30%, -60%);
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//success
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$success-low: dark-light-diff($success, $secondary, 80%, -60%);
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$success-medium: dark-light-diff($success, $secondary, 50%, -40%);
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//love
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$love-low: dark-light-diff($love, $secondary, 85%, -60%);
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