Richard van der Hoff 5f07fbbc1b
Allow the Login screen to use the dark theme (#31293)
* Allow the Login screen to use the dark theme

There is a whole bunch of code dedicated to attempting to force a "light" theme
onto the login view, even if the deployment is configured to prioritise the
dark theme.

Apparently this was done because, in the old days, the
login view looked rubbish with the dark theme, but now it looks fine.

Fixes https://github.com/element-hq/element-web/issues/31292

* Fix up background colour of auth screen in dark theme

In dark theme, the background of the login/register/welcome box needs to be
translucent black rather than translucent white.

To make this work, I've moved the style from inline to CSS, and used a PostCSS
variable to define the colour.

* Fix up Welcome page colours in dark theme

Make the text and image white, not black, in short.

* Fix incorrect merge

that will teach me to use the Github UI to address merge conflicts.
2025-11-26 07:54:40 +00:00

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/* Colors from Figma Compound https://www.figma.com/file/X4XTH9iS2KGJ2wFKDqkyed/Compound?node-id=559%3A741 */
/* ******************** */
$primary-content: var(--cpd-color-text-primary);
$secondary-content: var(--cpd-color-text-secondary);
$tertiary-content: var(--cpd-color-gray-800);
$quaternary-content: var(--cpd-color-gray-600);
$quinary-content: var(--cpd-color-gray-400);
$system: var(--cpd-color-bg-subtle-primary);
$system-transparent: #e1e6ec00;
$background: var(--cpd-color-bg-canvas-default);
$overlay-background: var(--cpd-color-alpha-gray-1300);
$panels: var(--cpd-color-bg-subtle-secondary);
$panel-actions: var(--cpd-color-alpha-gray-300);
$separator: var(--cpd-color-gray-400);
/* ******************** */
/* RoomList */
/* ******************** */
$roomlist-bg-color: rgba(38, 40, 45, 0.9);
$roomsublist-skeleton-ui-bg: linear-gradient(180deg, $background 0%, #ffffff00 100%);
$roomtile-default-badge-bg-color: var(--cpd-color-icon-secondary);
/* ******************** */
/**
* Creating a `semantic` color scale. This will not be needed with the new
* visual language, but necessary during the transition period
* This abstract the `green` away from where accent shades are used
* Take: `background: rgba($accent, 0.1);`
* would be transformed to: `background: $accent-300;`
*
* To use under very rare circumstances, always prefer the semantics defined
* in https://compound.element.io/?path=/docs /tokens-semantic-colors--docs
*/
$accent-100: var(--cpd-color-green-100);
$accent-200: var(--cpd-color-green-200);
$accent-300: var(--cpd-color-green-300);
$accent-400: var(--cpd-color-green-400);
$accent-500: var(--cpd-color-green-500);
$accent-600: var(--cpd-color-green-600);
$accent-700: var(--cpd-color-green-700);
$accent-800: var(--cpd-color-green-800);
$accent-900: var(--cpd-color-green-900);
$accent-1000: var(--cpd-color-green-1000);
$accent-1100: var(--cpd-color-green-1100);
$accent-1200: var(--cpd-color-green-1200);
$accent-1300: var(--cpd-color-green-1300);
$accent-1400: var(--cpd-color-green-1400);
/* Reused Figma non-compound colors */
/* ******************** */
$inverted-bg-color: var(--cpd-color-bg-action-primary-rest);
$header-panel-bg-color: var(--cpd-color-bg-subtle-secondary);
$header-panel-bg-hover: var(--cpd-color-gray-200);
/* ******************** */
/* Theme specific colors */
/* ******************** */
$icon-button-color: var(--cpd-color-icon-tertiary);
/* ******************** */
/* Colors that aren't in Figma and are theme specific - we need to get rid of these */
/* ******************** */
$header-panel-text-secondary-color: #c8c8cd;
$room-highlight-color: #343a46;
$text-secondary-color: #b9bec6;
/* ******************** */
/* Colors that aren't in Figma - we need to get rid of these */
/* ******************** */
$dark-panel-bg-color: var(--cpd-color-bg-subtle-secondary);
$muted-fg-color: $header-panel-text-primary-color;
$light-fg-color: $header-panel-text-secondary-color;
$focus-bg-color: $room-highlight-color;
$info-plinth-bg-color: $header-panel-bg-color;
$event-selected-color: var(--cpd-color-bg-subtle-secondary);
$topleftmenu-color: $primary-content;
$roomtopic-color: $text-secondary-color;
$spacePanel-bg-color: rgba(38, 39, 43, 0.82);
$panel-gradient: rgba(34, 38, 46, 0), rgba(34, 38, 46, 1);
$h3-color: $primary-content;
$event-highlight-bg-color: #25271f;
$header-panel-text-primary-color: $text-secondary-color;
/* ******************** */
/* Tooltip */
/* ******************** */
$tooltip-timeline-bg-color: $spacePanel-bg-color;
$tooltip-timeline-fg-color: $primary-content;
/* ******************** */
/* Widget */
/* ******************** */
$widget-menu-bar-bg-color: $header-panel-bg-color;
$widget-body-bg-color: $panel-actions;
/* ******************** */
/* Menu */
/* ******************** */
$menu-border-color: #000000;
$menu-bg-color: $header-panel-bg-color;
$menu-box-shadow-color: $background;
$menu-selected-color: $room-highlight-color;
/* ******************** */
/* Settings */
/* ******************** */
$settings-profile-button-bg-color: #e7e7e7;
$settings-subsection-fg-color: $text-secondary-color;
/* ******************** */
/* Room */
/* ******************** */
$room-icon-unread-color: var(--cpd-color-icon-tertiary);
/* ******************** */
/* RoomHeader */
/* ******************** */
$roomheader-addroom-bg-color: rgba(92, 100, 112, 0.3);
$roomheader-addroom-fg-color: $primary-content;
/* ******************** */
/* Rich-text-editor */
/* ******************** */
$pill-bg-color: var(--cpd-color-bg-action-primary-rest);
$pill-hover-bg-color: var(--cpd-color-bg-action-primary-hovered);
$pill-press-bg-color: var(--cpd-color-bg-action-primary-pressed);
/* ******************** */
/* Inputs */
/* ******************** */
$input-border-color: rgba(231, 231, 231, 0.2);
$input-darker-bg-color: #181b21;
$input-darker-fg-color: #61708b;
$input-lighter-bg-color: #f2f5f8;
$input-placeholder: var(--cpd-color-text-secondary);
/* ******************** */
/* Dialog */
/* ******************** */
$dialog-title-fg-color: $primary-content;
$dialog-backdrop-color: #00000080;
$dialog-close-fg-color: $icon-button-color;
$dialog-close-external-color: $primary-content;
/* ******************** */
/* RoomList */
/* ******************** */
$system: var(--cpd-color-bg-subtle-secondary);
$roomsublist-skeleton-ui-bg: linear-gradient(180deg, #3e444c 0%, #3e444c00 100%);
$roomtile-default-badge-bg-color: var(--cpd-color-icon-secondary);
/* ******************** */
/* Tabbed views */
/* ******************** */
$tab-label-fg-color: $secondary-content;
$tab-label-active-fg-color: $primary-content;
/* ******************** */
/* Buttons */
/* ******************** */
$button-primary-fg-color: $primary-content;
$button-secondary-bg-color: transparent;
$button-danger-fg-color: $primary-content;
$button-danger-disabled-fg-color: $primary-content;
/* ******************** */
/* Toggle switch */
/* ******************** */
$togglesw-off-color: $room-highlight-color;
/* ******************** */
/* Authpage */
/* ******************** */
$authpage-primary-color: $primary-content;
/* background colour of the modal, when the background is blurred */
$authpage-modal-content-with-blur-bg-color: rgb(0, 0, 0, 0.59);
/* ******************** */
/* Message action bar */
/* ******************** */
$message-action-bar-bg-color: $header-panel-bg-color;
$message-action-bar-fg-color: $header-panel-text-primary-color;
$message-action-bar-border-color: #616b7f;
$message-action-bar-hover-border-color: $header-panel-text-primary-color;
/* ******************** */
/* Reaction row */
/* ******************** */
$reaction-row-button-hover-border-color: $header-panel-text-primary-color;
$reaction-row-button-selected-bg-color: #1f6954;
/* ******************** */
/* Voice messages */
/* ******************** */
$voice-record-stop-border-color: $quaternary-content;
$voice-record-icon-color: $quaternary-content;
/* ******************** */
/* Bubble tiles */
/* ******************** */
$eventbubble-self-bg: var(--cpd-color-green-300);
$eventbubble-others-bg: var(--cpd-color-gray-300);
$eventbubble-bg-hover: var(--cpd-color-bg-subtle-secondary);
/* ******************** */
/* Lightbox */
/* ******************** */
$lightbox-background-bg-color: $menu-border-color;
$lightbox-background-bg-opacity: 0.85;
/* ******************** */
/* VoIP */
/* ******************** */
$call-view-button-on-foreground: $primary-content;
$call-view-button-on-background: $system;
$call-view-button-off-foreground: $system;
$call-view-button-off-background: $primary-content;
$call-view-content-background: $quinary-content;
$video-feed-secondary-background: $system;
$call-system: $system;
$call-background: $background;
$call-primary-content: $primary-content;
$call-light-quaternary-content: #c1c6cd;
/* ******************** */
/* Location sharing */
/* ******************** */
$location-live-color: #5c56f5;
$location-live-secondary-color: #deddfd;
/* ******************** */
/* Location sharing */
/* ******************** */
.maplibregl-ctrl-attrib-button {
color: $background;
}
/* ******************** */
/* One-off colors */
/* ******************** */
$progressbar-bg-color: var(--cpd-color-gray-200);
$kbd-border-color: $strong-input-border-color;
$visual-bell-bg-color: #800;
$event-timestamp-color: var(--cpd-color-text-secondary);
$composer-shadow-color: rgba(0, 0, 0, 0.28);
$breadcrumb-placeholder-bg-color: #272c35;
$theme-button-bg-color: #e3e8f0;
$resend-button-divider-color: var(--cpd-color-gray-700);
$inlinecode-border-color: $quinary-content;
$inlinecode-background-color: $system;
$codeblock-background-color: #2a3039;
$scrollbar-thumb-color: rgba(255, 255, 255, 0.2);
$selected-color: $room-highlight-color;
/* ******************** */
/* blur amounts for left left panel (only for element theme) */
/* ******************** */
:root {
--lp-background-blur: 45px;
}
/* ******************** */
body {
color-scheme: dark;
}
/* Nasty hacks to apply a filter to arbitrary monochrome artwork to make it */
/* better match the theme. Typically applied to dark grey 'off' buttons or */
/* light grey 'on' buttons. */
/* ******************** */
.mx_filterFlipColor {
filter: invert(1);
}
/* ******************** */
/* markdown overrides */
/* ******************** */
.mx_EventTile_content .markdown-body {
table {
tr {
background-color: $menu-border-color;
}
tr:nth-child(2n) {
background-color: #080808;
}
}
}
/* ******************** */
/* diff highlight colors */
/* ******************** */
.hljs-tag {
color: inherit; /* Without this they'd be weirdly blue which doesn't match the theme */
}
.hljs-addition {
background: #1a4b59;
}
.hljs-deletion {
background: #53232a;
}
/* ******************** */
/* Splash Page Gradient */
.mx_SplashPage::before {
background-image:
radial-gradient(53.85% 66.75% at 87.55% 0%, hsla(0deg, 0%, 11%, 0.15) 0%, hsla(250deg, 100%, 88%, 0) 100%),
radial-gradient(41.93% 41.93% at 0% 0%, hsla(0deg, 0%, 38%, 0.28) 0%, hsla(250deg, 100%, 88%, 0) 100%),
radial-gradient(100% 100% at 0% 0%, hsla(250deg, 100%, 88%, 0.3) 0%, hsla(0deg, 100%, 86%, 0) 100%),
radial-gradient(106.35% 96.26% at 100% 0%, hsla(25deg, 100%, 88%, 0.4) 0%, hsla(167deg, 76%, 82%, 0) 100%) !important;
}