/*
 * Citizen - CSS variables
 * https://starcitizen.tools
 */

@import '../../variables.less';

/**
 * Base theme
 */
:root {
	--font-grade: 0;

	/* Foreground Colors */
	--color-syntax-red: @color-syntax-red;
	--color-syntax-orange: @color-syntax-orange;
	--color-syntax-yellow: @color-syntax-yellow;
	--color-syntax-green: @color-syntax-green;
	--color-syntax-cyan: @color-syntax-cyan;
	--color-syntax-blue: @color-syntax-blue;
	--color-syntax-paleblue: @color-syntax-paleblue;
	--color-syntax-purple: @color-syntax-purple;
	--color-syntax-brown: @color-syntax-brown;
	--color-syntax-pink: @color-syntax-pink;
	--color-syntax-violet: @color-syntax-violet;
	--color-syntax-grey: @color-syntax-grey;

	/* Size */
	--size-icon: @size-icon;

	/* Fonts */
	--font-family-base: @font-family-base;
	--font-family-serif: @font-family-serif;
	--font-family-monospace: @font-family-monospace;
	--font-family-citizen-base: 'Roboto';
	--font-family-citizen-serif: 'Roboto Serif';
	--font-family-citizen-monospace: 'Roboto Mono';
	--font-family-language-base: '';
	--font-family-language-serif: '';
	--font-family-language-monospace: '';

	--font-weight-normal: 400;
	--font-weight-medium: ~'calc( var( --font-weight-normal ) + 100)';
	--font-weight-semibold: ~'calc( var( --font-weight-normal ) + 200)';
	--font-weight-bold: ~'calc( var( --font-weight-normal ) + 300)';

	/* Transitions */
	--transition-hover: @transition-hover;

	/* Filter */
	--filter-invert-primary: invert( 1 ) hue-rotate( 180deg );
	--filter-invert-fixed: invert( 1 ) hue-rotate( 180deg );

	--overflow-gradient-size: 2rem;
}

html {
	/* Size */
	--header-size: @header-size;
	--header-card-maxheight: 80vh;
	--width-layout: @width-layout;
	--width-layout--extended: ~'calc( var( --width-layout ) * 1.5 )';
	--width-toc: @width-toc;
	--line-height: @line-height-md;
	--line-height-xs: @line-height-xs;
	--line-height-sm: @line-height-sm;
	--toolbar-size: 2.5rem;

	/* Spacing */
	--space-unit: @space-unit;
	--space-xxs: ~'calc( 0.25 * var( --space-unit ) )';
	--space-xs: ~'calc( 0.5 * var( --space-unit ) )';
	--space-sm: ~'calc( 0.75 * var( --space-unit ) )';
	--space-md: ~'var( --space-unit )';
	--space-lg: ~'calc( 1.25 * var( --space-unit ) )';
	--space-xl: ~'calc( 1.5 * var( --space-unit ) )';
	--space-xxl: ~'calc( 2 * var( --space-unit ) )';

	/* Margin */
	--margin-layout: ~'calc( ( 100vw - var( --width-layout ) ) / 2 )';

	/* Padding */
	--padding-page: @padding-page;
}

:lang( ja ),
:lang( ko ),
:lang( zh ) {
	/* CJK languages need increased line-height for readability */
	--line-height: 1.75;
}

.theme-dark-old() {
	--color-syntax-red: @color-syntax-red-dark;
	--color-syntax-orange: @color-syntax-orange-dark;
	--color-syntax-yellow: @color-syntax-yellow-dark;
	--color-syntax-green: @color-syntax-green-dark;
	--color-syntax-cyan: @color-syntax-cyan-dark;
	--color-syntax-blue: @color-syntax-blue-dark;
	--color-syntax-paleblue: @color-syntax-paleblue-dark;
	--color-syntax-purple: @color-syntax-purple-dark;
	--color-syntax-brown: @color-syntax-brown-dark;
	--color-syntax-pink: @color-syntax-pink-dark;
	--color-syntax-violet: @color-syntax-violet-dark;
}
/**
 * Dark theme
 */
:root.skin-theme-clientpref-night {
	.theme-dark-old();
}

@media ( prefers-color-scheme: dark ) {
	:root.skin-theme-clientpref-os {
		.theme-dark-old();
	}
}

@media ( min-width: @min-width-breakpoint-tablet ) {
	html {
		--padding-page: ~'calc( @{padding-page} * 1.5 )';
	}
}

@media ( min-width: @min-width-breakpoint-desktop ) {
	html {
		--padding-page: ~'calc( @{padding-page} * 2 )';
		--header-card-maxheight: ~'calc( 100vh - var( --space-sm ) * 2 )';
	}
}

@media ( prefers-contrast: more ) {
	:root {
		--font-weight-normal: 500;
	}
}

@media ( prefers-contrast: less ) {
	:root {
		--font-weight-normal: 300;
	}
}