Mailspring/static/variables/ui-variables.less

// Color abstraction hierarchy:
// 1. Hex code (#428bca)
// 2. Common color name (@blue)
// 3. Generic color descriptor (@accent-primary, @background-primary)
// --------
// 4. Generic usage descriptor (@input-background, @button-background)
// 5. Application-specific usage (@unread-label-background)

// Typography abstraction hierarchy
// 1. Font-face (Nylas-Pro)
// 2. Common name (@bold, @italic)
// 3. Generic font descriptor mixins (.bold, .italic, .h1, .h2)
// --------
// 4. Generic usage descriptor (.btn-text, .p-body)
// 5. Application-specific usage (.message-list-h1)

//=============================== Colors ===============================//
//== Brand colors
@nylas-yellow:      #D5DC28;
@nylas-yellow-dark: #A0C23A;
@nylas-green:       #5CB346;
@nylas-green-dark:  #078E46;
@nylas-blue:        #11A1A2;
@nylas-blue-dark:   #0F7982;
@nylas-black:       #313435;
@nylas-gray:        #434648;

//== Generic colors
@black:        @nylas-black;
@gray-base:    #0a0b0c;
@gray-darker:  lighten(@gray-base, 13.5%); // #222
@gray-dark:    lighten(@gray-base, 20%);   // #333
@gray:         lighten(@gray-base, 33.5%); // #555
@gray-light:   lighten(@gray-base, 46.7%); // #777
@gray-lighter: lighten(@gray-base, 92.5%); // #eee
@white:        #ffffff;

@blue:         #419bf9;
@blue-dark:    #3187e1;

//== Color descriptors
@accent-primary:      @blue;
@accent-primary-dark: @blue-dark;
@accent-secondary:    @nylas-yellow;

@background-primary:     #ffffff;
@background-off-primary: #fdfdfd;
@background-secondary:   #f6f6f6;
@background-tertiary:    #6d7987;

@border-primary-bg: darken(@background-primary, 10%);
@border-secondary-bg: darken(@background-secondary, 10%);
@border-tertiary-bg: darken(@background-tertiary, 10%);
@border-color-divider: @border-secondary-bg;

@info-color:    @blue-dark;
@success-color: @nylas-green;
@warning-color: #f0ad4e;
@error-color:   #d9534f;
@danger-color:  #d9534f;


//============================= Typography =============================//

// ----- Colors -----
@text-color:         @black;
@text-color-subtle:  fadeout(@text-color, 20%);
@text-color-very-subtle:  fadeout(@text-color, 50%);
@text-color-inverse: @white;
@text-color-inverse-subtle:  fadeout(@text-color-inverse, 20%);
@text-color-inverse-very-subtle:  fadeout(@text-color-inverse, 50%);
@text-color-alert:  #e64d65;

@text-color-heading: @nylas-gray;

@text-color-link:        @blue;
@text-color-link-hover:  @blue-dark;
@text-color-link-active: @blue-dark;

@text-color-selected:  @text-color-inverse;
@text-color-highlight: @text-color;

@text-color-info:        @info-color;
@text-color-success:     @success-color;
@text-color-warning:     @warning-color;
@text-color-error:       @error-color;
@text-color-destructive: @danger-color;

@font-family-sans-serif:  "Nylas-Pro", "Helvetica", sans-serif;
@font-family-sans-serif:  "Nylas-Pro", "Helvetica", sans-serif;
@font-family-serif:       Georgia, "Times New Roman", Times, serif;
@font-family-monospace:   Menlo, Monaco, Consolas, "Courier New", monospace;

@font-family-base:        @font-family-sans-serif;
@font-family:             @font-family-base;
@font-family-heading:     @font-family-sans-serif;

// ----- Font Weights -----
@font-weight-blond:       300;
@font-weight-normal:      400;
@font-weight-medium:      500;
@font-weight-semi-bold:   600;
@headings-font-weight:    600;

// ----- Font Sizes -----
@font-size-base:          15px;

@font-size-smaller:       @font-size-base * 0.80; // 12px
@font-size-small:         @font-size-base * 0.93; // 14px
@font-size:               @font-size-base;        // 15px
@font-size-large:         @font-size-base * 1.06; // 16px
@font-size-larger:        @font-size-base * 1.20; // 18px

@font-size-h1:            @font-size-base * 1.6;  // 24px
@font-size-h2:            @font-size-base * 1.6;  // 24px
@font-size-h3:            @font-size-base * 1.7;  // 24px
@font-size-h4:            @font-size-base * 1.25; // 18px
@font-size-h5:            @font-size-base;
@font-size-h6:            @font-size-base * 0.85; // 12px

// ----- Line Height -----
@line-height-base:         1.5; // 22.5/15
@line-height-computed:     floor((@font-size-base * @line-height-base)); // ~20px
@line-height-heading:      1.1;


//============================ Iconography =============================//
// Specify custom location and filename of the included Glyphicons icon
// font. Useful for those including Bootstrap via Bower.

//** Load fonts from this directory.
@icon-font-path:          "../fonts/";
//** File name for all font files.
@icon-font-name:          "glyphicons-halflings-regular";
//** Element ID within SVG icon file.
@icon-font-svg-id:        "glyphicons_halflingsregular";


//============================== Spacing ===============================//
// Define common padding and border radius sizes and more. Values based on
// 14px text and 1.428 line-height (~20px to start).

@spacing-standard:          @font-size-base;

@spacing-quarter:           @spacing-standard * 0.25;
@spacing-half:              @spacing-standard * 0.5;
@spacing-three-quarters:    @spacing-standard * 0.75;

@spacing-sub-double:        @spacing-standard * 1.75;
@spacing-double:            @spacing-standard * 2;
@spacing-super-double:      @spacing-standard * 2.25;


@padding-base-vertical:     6px;
@padding-base-horizontal:   12px;

@padding-large-vertical:    10px;
@padding-large-horizontal:  16px;

@padding-small-vertical:    5px;
@padding-small-horizontal:  10px;

@padding-xs-vertical:       1px;
@padding-xs-horizontal:     5px;

@line-height-large:         @line-height-computed * 1.3;
@line-height-small:         @line-height-computed * 0.95;

@border-radius-base:        4px;
@border-radius-large:       6px;
@border-radius-small:       3px;


//============================== Shadows ===============================//
@standard-shadow: 0 1px 4px 0 rgba(0, 0, 0, 0.21);
@standard-shadow-up: 0 -1px 4px 0 rgba(0, 0, 0, 0.21);

//=============================== Buttons ==============================//

@btn-shadow: @standard-shadow;

@btn-default-bg-color:    @background-primary;
@btn-default-text-color:  @text-color;

@btn-action-bg-color:     @success-color;
@btn-action-text-color:   @text-color;

@btn-emphasis-bg-color:   #5b90fb;
@btn-emphasis-text-color: @text-color-inverse;

@btn-danger-bg-color:     @danger-color;
@btn-danger-text-color:   @text-color-inverse;

//=============================== Inputs ===============================//

//** `<input>` background color
@input-bg:                       #fff;
//** `<input disabled>` background color
@input-bg-disabled:              @gray-lighter;

@input-background-color: white;

@input-border-color: fadeout(@border-color, 10%);
@input-border-color-blurred: desaturate(@input-border-color, 100%);

@input-tint-color: fade(@background-color-selected, 10%);
@input-tint-color-hover: fade(@input-tint-color, 30%);
@input-tint-color-blurred: desaturate(@input-tint-color, 100%);


@input-accessory-color-hover: @light-blue;
@input-accessory-color: @gray-light;
@input-cancel-color: @red;

//** Text color for `<input>`s
@input-color:                    @gray;
//** `<input>` border color
@input-border:                   #ccc;

// TODO: Rename `@input-border-radius` to `@input-border-radius-base` in v4
//** Default `.form-control` border radius
@input-border-radius:            @border-radius-base;
//** Large `.form-control` border radius
@input-border-radius-large:      @border-radius-large;
//** Small `.form-control` border radius
@input-border-radius-small:      @border-radius-small;

//** Border color for inputs on focus
@input-border-focus:             #66afe9;

//** Placeholder text color
@input-color-placeholder:        #999;

//** Default `.form-control` height
@input-height-base:              (@line-height-computed + (@padding-base-vertical * 2) + 2);
//** Large `.form-control` height
@input-height-large:             (ceil(@font-size-large * @line-height-large) + (@padding-large-vertical * 2) + 2);
//** Small `.form-control` height
@input-height-small:             (floor(@font-size-small * @line-height-small) + (@padding-small-vertical * 2) + 2);

//** Background color for textual input addons
@input-group-addon-bg:           @gray-lighter;
//** Border color for textual input addons
@input-group-addon-border-color: @input-border;


//=============================== Z-Index ==============================//
//-- Z-index master list
//
// Warning: Avoid customizing these values. They're used for a bird's eye
// view of components dependent on the z-axis and are designed to all work
// together.
//
// Note: These variables are not generated into the Customizer.

@zindex-navbar:            1000;
@zindex-dropdown:          1000;
@zindex-popover:           1060;
@zindex-tooltip:           1070;
@zindex-navbar-fixed:      1030;
@zindex-modal:             1040;



//** Global color for active items (e.g., navs or dropdowns).
@component-active-color:        @accent-primary-dark;
//** Global background color for active items (e.g., navs or dropdowns).
@component-active-bg:           @background-primary;

@component-secondary-active-bg: @background-primary;

//== Source List (used in Sidebar, iTunes-style)
//
// ##

//** Background color on `.list-group-item`
@source-list-bg:                 @panel-background-color;
//** Background color of active list items
@source-list-active-bg:          @panel-background-color;
//** Text color of active list items
@source-list-active-color:       @component-active-color;

//== List
//
//##

//** Background color on `.list-group-item`
@list-bg:                 #fff;
//** `.list-item` border color
@list-border:             #ddd;
//** List group border radius
@list-border-radius:      @border-radius-base;

//** Background color of single list items on hover
@list-hover-bg:           #f5f5f5;

//** Text color of active list items
@list-focused-color:       @list-bg;
//** Background color of active list items
@list-focused-bg:          @component-active-color;
//** Border color of active list elements
@list-focused-border:      @list-focused-bg;
//** Text color for content within active list items
@list-focused-color-muted:  lighten(@list-focused-bg, 40%);

//** Text color of active list items
@list-selected-color:       inherit;
//** Background color of active list items
@list-selected-bg:          mix(@component-active-color, @list-bg, 17%);
//** Border color of active list elements
@list-selected-border:      mix(@component-active-color, @list-bg, 50%);
//** Text color for content within active list items
@list-selected-color-muted: lighten(@list-selected-bg, 40%);

//** Text color of disabled list items
@list-disabled-color:      @gray-light;
//** Background color of disabled list items
@list-disabled-bg:         @gray-lighter;
//** Text color for content within disabled list items
@list-disabled-text-color: @list-disabled-color;


//** Abbreviations and acronyms border color
@abbr-border-color:           @gray-light;
//** Blockquote small color
@blockquote-small-color:      @gray-light;
//** Blockquote font size
@blockquote-font-size:        (@font-size-base * 1.25);
//** Blockquote border color
@blockquote-border-color:     @gray-lighter;



//== Form states and alerts
//
//## Define colors for form feedback states and, by default, alerts.

@state-success-text:             #3c763d;
@state-success-bg:               #dff0d8;
@state-success-border:           darken(spin(@state-success-bg, -10), 5%);

@state-info-text:                #31708f;
@state-info-bg:                  #d9edf7;
@state-info-border:              darken(spin(@state-info-bg, -10), 7%);

@state-warning-text:             #8a6d3b;
@state-warning-bg:               #fcf8e3;
@state-warning-border:           darken(spin(@state-warning-bg, -10), 5%);

@state-danger-text:              #a94442;
@state-danger-bg:                #f2dede;
@state-danger-border:            darken(spin(@state-danger-bg, -10), 5%);

/////

// -------------
// EVERYTHING BELOW THIS NEEDS TO BE DEPRECATED OR MOVED ABOVE THIS
// old stuff
// -------------

// Private
//
// Do not use these colors outside of this file.
// You should choose variables based on the role of your
// interface elements. In other themes, @light-blue may
// not be light or blue.

@PANTONE-340-UP:     #00ac6f;
@PANTONE-7704-UP:    #009ec4;
@PANTONE-7547-UP:    #3c505f;
@PANTONE-296-UP:     #003c56;
@PANTONE-421-UP:     #b4babd;
@PANTONE-Red-032-UP: #f15f4b;
@PANTONE-326-UP:     #3bbeb4;
@PANTONE-Process-Black-UP: #231f20;
@PANTONE-Cool-Gray-1-UP:   #e1e0dc;

@green:      @PANTONE-340-UP;
@light-blue: @PANTONE-7704-UP;
@blue-gray:  @PANTONE-7547-UP;
@dark-blue:  @PANTONE-296-UP;
@light-gray: @PANTONE-421-UP;
@red:        @PANTONE-Red-032-UP;
@teal:       @PANTONE-326-UP;
@black:      @PANTONE-Process-Black-UP;
@cool-gray:  @PANTONE-Cool-Gray-1-UP;

@blue-grey:  @blue-gray;
@light-grey: @light-gray;

// Public
//
// Use these variables in your packages. Choose the variable
// that best matches the role of the element you are styling.

// TEXT

@unread-color: @blue; //!
@action-color: @green;

@progress-bar-fill: @light-blue;
@progress-bar-background: @light-gray;

@background-color: #fff;
@background-color-highlight: darken(@background-color, 2.5%);
@background-color-selected: @light-blue;
@background-color-secondary: darken(@background-color, 5%);
@background-color-accent: @blue-gray;

@background-color-info: @light-blue;
@background-color-success: @green;
@background-color-warning: #ff4800;
@background-color-error: @red;
@background-color-pending: @light-gray;

@background-gradient: linear-gradient(to top, rgba(241,241,241,0.75) 0%,
rgba(253,253,253,0.75) 100%);

@base-border-color: darken(@background-color, 15%);
@border-color: darken(@background-color, 15%);
@border-color-subtle: darken(@background-color, 8%);

// Inputs

// Menus

@menu-color: white;
@menu-divider-color: @light-gray;
@menu-item-color-hover: fade(@background-color-selected, 10%);
@menu-item-color-selected: @background-color-selected;
@menu-text-color-selected: @text-color-inverse;

// Sizes

@disclosure-arrow-size: 12px;
@input-font-size: 14px;

@component-padding: 10px;
@component-icon-padding: 5px;
@component-icon-size: 16px;
@component-line-height: 25px;
@component-border-radius: 2px;



@body-bg: @white;
//== Panels and Sidebars
@panel-background-color: @gray-lighter;
@toolbar-background-color: darken(@white, 17.5%);

// Helpers for Specs - Do Not Remove
@spec-test-variable: rgb(152,123,0);