packages/react-components/src/styles/index.ts
// Copyright 2017-2024 @polkadot/react-components authors & contributors
// SPDX-License-Identifier: Apache-2.0
import { createGlobalStyle } from 'styled-components';
import cssComponents from './components.js';
import cssForm from './form.js';
import cssMedia from './media.js';
import cssSemantic from './semantic.js';
import cssTheme from './theme.js';
interface Props {
uiHighlight?: string;
}
const BRIGHTNESS = 128 + 32;
const FACTORS = [0.2126, 0.7152, 0.0722];
const PARTS = [0, 2, 4];
const VERY_DARK = 16;
const defaultHighlight = '#f19135';
function getHighlight (uiHighlight: string | undefined): string {
return (uiHighlight || defaultHighlight);
}
function countBrightness (uiHighlight: string | undefined): number {
const hc = getHighlight(uiHighlight).replace('#', '').toLowerCase();
return PARTS.reduce((b, p, index) => b + (parseInt(hc.substring(p, p + 2), 16) * FACTORS[index]), 0);
}
function getContrast (uiHighlight: string | undefined): string {
const brightness = countBrightness(uiHighlight);
return brightness > BRIGHTNESS
? 'rgba(45, 43, 41, 0.875)'
: 'rgba(255, 253, 251, 0.875)';
}
function getMenuHoverContrast (uiHighlight: string | undefined): string {
const brightness = countBrightness(uiHighlight);
if (brightness < VERY_DARK) {
return 'rgba(255, 255, 255, 0.15)';
}
return brightness < BRIGHTNESS
? 'rgba(0, 0, 0, 0.15)'
: 'rgba(255, 255, 255, 0.15)';
}
function hexToRGB (hex: string, alpha?: string) {
const r = parseInt(hex.slice(1, 3), 16);
const g = parseInt(hex.slice(3, 5), 16);
const b = parseInt(hex.slice(5, 7), 16);
return alpha
? `rgba(${r}, ${g}, ${b}, ${alpha})`
: `rgb(${r}, ${g}, ${b})`;
}
export default createGlobalStyle<Props>(({ uiHighlight }: Props) => `
.highlight--all {
background: ${getHighlight(uiHighlight)} !important;
border-color: ${getHighlight(uiHighlight)} !important;
color: ${getHighlight(uiHighlight)} !important;
}
.highlight--before:before {
background: ${getHighlight(uiHighlight)} !important;
}
.highlight--before-border:before {
border-color: ${getHighlight(uiHighlight)} !important;
}
.highlight--bg {
background: ${getHighlight(uiHighlight)} !important;
}
.highlight--bg-contrast {
background: ${getContrast(uiHighlight)};
}
.ui--MenuItem.isActive .ui--Badge {
background: ${getHighlight(uiHighlight)};
color: ${getContrast(uiHighlight)} !important;
}
.ui--MenuItem {
& .ui--Badge {
color: ${countBrightness(uiHighlight) < BRIGHTNESS ? '#fff' : '#424242'};
}
&:hover:not(.isActive) .ui--Badge {
background: ${countBrightness(uiHighlight) < BRIGHTNESS ? 'rgba(255, 255, 255, 0.8)' : '#4D4D4D'};
color: ${countBrightness(uiHighlight) > BRIGHTNESS ? '#fff' : '#424242'};
}
}
.ui--Tab .ui--Badge {
background: ${getHighlight(uiHighlight)};
color: ${countBrightness(uiHighlight) < BRIGHTNESS ? '#fff' : '#424242'};
}
.highlight--bg-faint,
.highlight--bg-light {
background: var(--bg-table);
position: relative;
&:before {
background: ${getHighlight(uiHighlight)};
bottom: 0;
content: ' ';
left: 0;
position: absolute;
right: 0;
top: 0;
z-index: -1;
}
}
.highlight--bg-faint:before {
opacity: 0.025;
}
.highlight--bg-light:before {
opacity: 0.2;
}
.highlight--border {
border-color: ${getHighlight(uiHighlight)} !important;
}
.highlight--color {
color: ${getHighlight(uiHighlight)} !important;
}
.highlight--color-contrast {
color: ${getContrast(uiHighlight)};
}
.highlight--fill {
fill: ${getHighlight(uiHighlight)} !important;
}
.highlight--gradient {
background: ${`linear-gradient(90deg, ${uiHighlight || defaultHighlight}, transparent)`};
}
.ui--MenuItem.topLevel:hover,
.ui--MenuItem.isActive.topLevel:hover {
color: ${getContrast(uiHighlight)};
a {
background-color: ${getMenuHoverContrast(uiHighlight)};
}
}
.menuItems li:hover .groupHdr {
background: ${getMenuHoverContrast(uiHighlight)};
color: ${getContrast(uiHighlight)};
}
.groupMenu {
background: ${getHighlight(uiHighlight)} !important;
&::before {
background: ${getMenuHoverContrast(uiHighlight)};
color: ${getContrast(uiHighlight)};
}
li {
color: ${getContrast(uiHighlight)};
}
}
.highlight--hover-bg:hover {
background: ${getHighlight(uiHighlight)} !important;
}
.highlight--hover-color:hover {
color: ${getHighlight(uiHighlight)} !important;
}
.highlight--icon {
.ui--Icon {
color: ${getHighlight(uiHighlight)} !important;
}
}
.highlight--shadow {
box-shadow: 0 0 1px ${getHighlight(uiHighlight)} !important;
}
.highlight--stroke {
stroke: ${getHighlight(uiHighlight)} !important;
}
.ui--Button {
&:not(.isDisabled):not(.isIcon):not(.isBasic),
&.withoutLink:not(.isDisabled) {
.ui--Icon {
background: ${getHighlight(uiHighlight)};
color: ${getContrast(uiHighlight)};
}
}
&.isBasic:not(.isDisabled):not(.isIcon):not(.isSelected) {
&:not(.isReadOnly) {
box-shadow: 0 0 1px ${getHighlight(uiHighlight)};
}
.ui--Icon {
color: ${getHighlight(uiHighlight)};
}
}
&.isSelected {
box-shadow: 0 0 1px ${getHighlight(uiHighlight)};
}
&:hover:not(.isDisabled):not(.isReadOnly),
&.isSelected {
background: ${getHighlight(uiHighlight)};
color: ${getContrast(uiHighlight)};
text-shadow: none;
&:not(.isIcon),
&.withoutLink {
.ui--Icon {
color: inherit;
}
}
}
}
.ui--Table td .ui--Button {
&:not(.isDisabled):not(.isIcon):not(.isToplevel),
&.withoutLink:not(.isDisabled) {
&:hover {
.ui--Icon {
color: ${getContrast(uiHighlight)};
}
}
.ui--Icon {
background: transparent;
color: inherit;
color: ${getHighlight(uiHighlight)};
}
}
}
.ui--Popup .ui--Button.isOpen:not(.isDisabled):not(.isReadOnly) {
background: ${getHighlight(uiHighlight)} !important;
color: ${getContrast(uiHighlight)} !important;
.ui--Icon {
background: transparent !important;
color: ${getContrast(uiHighlight)} !important;
}
}
.ui--Menu {
.ui--Menu__Item:hover {
background: ${hexToRGB(getHighlight(uiHighlight), '.1')};
}
.ui--Toggle.isChecked .ui--Toggle-Slider {
background: ${getHighlight(uiHighlight)};
&::before {
border-color: ${getHighlight(uiHighlight)};
}
}
}
.ui--Sort {
.ui--Labelled.ui--Dropdown:hover {
.ui.selection.dropdown {
border-color: ${getHighlight(uiHighlight)};
.visible.menu {
border: 1px solid ${getHighlight(uiHighlight)};
}
}
}
button:hover {
border-color: ${getHighlight(uiHighlight)};
}
button:hover,
.ui--Labelled.ui--Dropdown:hover {
&::after {
background-color: ${getHighlight(uiHighlight)};
}
}
.arrow.isActive {
color: ${getHighlight(uiHighlight)};
opacity: 1;
}
}
.theme--dark,
.theme--light {
.ui--Tabs .active .tabLinkText::after {
background: ${getHighlight(uiHighlight)};
}
.ui.primary.button,
.ui.buttons .primary.button {
background: ${getHighlight(uiHighlight)};
&.active,
&:active,
&:focus,
&:hover {
background-color: ${getHighlight(uiHighlight)};
}
}
.ui--Toggle.isChecked {
&:not(.isRadio) {
.ui--Toggle-Slider {
background: ${getHighlight(uiHighlight)} !important;
&:before {
border-color: ${getHighlight(uiHighlight)} !important;
}
}
}
}
}
.ui--ExpandButton:hover {
border-color: ${getHighlight(uiHighlight)} !important;
.ui--Icon {
color: ${getHighlight(uiHighlight)} !important;
}
}
.ui--Tag.themeColor.lightTheme,
.ui--InputTags.lightTheme .ui.label {
background: ${hexToRGB(getHighlight(uiHighlight), '0.08')};
color: ${countBrightness(uiHighlight) > BRIGHTNESS ? '#424242' : getHighlight(uiHighlight)};
}
.ui--Tag.themeColor.darkTheme,
.ui--InputTags.darkTheme .ui.label {
color: ${countBrightness(uiHighlight) > BRIGHTNESS ? getHighlight(uiHighlight) : '#fff'};
}
#root {
background: var(--bg-page);
color: var(--color-text);
font: var(--font-sans);
font-weight: var(--font-weight-normal);
height: 100%;
}
a {
cursor: pointer;
}
article {
background: var(--bg-table);
border: 1px solid #f2f2f2;
border-radius: 0.25rem;
box-sizing: border-box;
margin: 0.25rem;
padding: 1.25rem;
position: relative;
text-align: left;
> ul {
margin: 0;
padding: 0;
}
&.error,
&.warning {
border-left-width: 0.25rem;
font-size: var(--font-size-small);
line-height: 1.5;
margin-left: 2.25rem;
padding: 0.75rem 1rem;
position: relative;
z-index: 5;
&:before {
border-radius: 0.25rem;
bottom: 0;
content: ' ';
left: 0;
position: absolute;
right: 0;
top: 0;
z-index: -1;
}
}
&.mark {
margin: 0.5rem 0 0.5rem 2.25rem;
padding: 0.5rem 1rem !important;
}
&.nomargin {
margin-left: 0;
}
&.extraMargin {
margin: 2rem auto;
}
&.centered {
margin: 1.5rem auto;
max-width: 75rem;
&+.ui--Button-Group {
margin-top: 2rem;
}
}
&.error {
&:before {
background: rgba(255, 12, 12, 0.05);
}
border-color: rgba(255, 12, 12, 1);
}
&.padded {
padding: 0.75rem 1rem;
> div {
margin: 0.25rem;
}
}
&.warning {
&:before {
background: rgba(255, 196, 12, 0.05);
}
border-color: rgba(255, 196, 12, 1);
}
}
body {
height: 100%;
margin: 0;
font: var(--font-sans);
}
br {
line-height: 1.5rem;
}
details {
cursor: pointer;
&[open] > summary {
white-space: normal;
br, br + * {
display: block;
}
}
> summary {
text-overflow: ellipsis;
overflow: hidden;
white-space: nowrap;
outline: none;
br, br + * {
display: none;
}
}
}
h1, h2, h3, h4, h5 {
color: var(--color-header);
font: var(--font-sans);
font-weight: var(--font-weight-header);
margin-bottom: 0.25rem;
}
h1 {
font-size: var(--font-size-h1);
text-transform: lowercase;
em {
font-style: normal;
text-transform: none;
}
}
h2 {
font-size: var(--font-size-h2);
}
h3 {
font-size: var(--font-size-h3);
}
h4 {
font-size: var(--font-size-h4);
}
header {
margin-bottom: 1.5rem;
text-align: center;
> article {
background: transparent;
}
}
html {
height: 100%;
}
label {
box-sizing: border-box;
display: block;
font: var(--font-sans);
}
// we treat h5 and label as equivalents
label, h5 {
color: var(--color-label);
font-size: var(--font-size-label);
font-style: normal;
font-weight: var(--font-weight-label);
line-height: 1rem;
margin-bottom: 0.25rem !important;
text-transform: var(--text-transform-label);
vertical-align: middle;
}
button {
font-size: var(--font-size-small);
font-weight: var(--font-weight-normal);
}
main {
> section {
margin-bottom: 2em;
}
}
/* Add our overrides */
${cssSemantic}
${cssTheme}
${cssForm}
${cssMedia}
${cssComponents}
`);