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feat: add Elastic built-in theme

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Linus Rath
2026-06-01 23:28:15 +02:00
parent ce401c0f59
commit 152ec99262
5 changed files with 601 additions and 45 deletions
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lib/builtin-themes.ts
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@@ -328,6 +328,313 @@ const solarizedCSS = `
--color-chart-5: #6c71c4;
}`;
// Roundcube "Elastic" skin recreation.
//
// Colour tokens are lifted from skins/elastic/styles/colors.less (CC BY-SA):
// accent #37beff font #27353a border #ddd
// error #ff5552 success #41b849 warning #ffd452
// task-menu #2f3a3f (always dark, both modes)
// list-select tint(#37beff, 90%) -> #ebf8ff
// Dark mode mirrors @color-dark-* (background #21292c, font #c5d1d3, …).
const elasticCSS = `
:root {
--color-border: #dddddd;
--color-input: #ced4da;
--color-ring: #37beff;
--color-background: #ffffff;
--color-foreground: #27353a;
--color-primary: #37beff;
--color-primary-foreground: #ffffff;
--color-secondary: #f4f4f4;
--color-secondary-foreground: #27353a;
--color-muted: #f4f4f4;
--color-muted-foreground: #737677;
--color-accent: #e6f6ff;
--color-accent-foreground: #0070a8;
--color-destructive: #ff5552;
--color-destructive-foreground: #ffffff;
--color-popover: #ffffff;
--color-popover-foreground: #27353a;
--color-sidebar: #ffffff;
--color-sidebar-foreground: #27353a;
--color-sidebar-border: #dddddd;
--color-sidebar-accent: #ebf8ff;
--color-sidebar-accent-foreground: #27353a;
--color-card: #ffffff;
--color-card-foreground: #27353a;
--color-success: #41b849;
--color-success-foreground: #ffffff;
--color-warning: #ffd452;
--color-warning-foreground: #27353a;
--color-info: #37beff;
--color-info-foreground: #ffffff;
--color-selection: #ebf8ff;
--color-selection-foreground: #27353a;
--color-unread: #ffd452;
--color-chart-1: #37beff;
--color-chart-2: #41b849;
--color-chart-3: #ffd452;
--color-chart-4: #ff5552;
--color-chart-5: #9b59b6;
/* Elastic is a 14px Roboto skin with tighter list rows than Bulwark's default */
--font-size-base: 14px;
--list-item-height: 40px;
}
.dark {
--color-border: #4d6066;
--color-input: #4d6066;
--color-ring: #37beff;
--color-background: #21292c;
--color-foreground: #ffffff;
--color-primary: #37beff;
--color-primary-foreground: #ffffff;
--color-secondary: #2c373a;
--color-secondary-foreground: #ffffff;
--color-muted: #2c373a;
/* Roundcube keeps most text near the bright font colour, only true hints
dim out. Bulwark applies muted-foreground far more widely, so brighten it
toward @color-dark-font (#c5d1d3) to match Elastic's overall brightness. */
--color-muted-foreground: #b3bec1;
--color-accent: #374549;
--color-accent-foreground: #37beff;
--color-destructive: #ff5552;
--color-destructive-foreground: #ffffff;
--color-popover: #161b1d;
--color-popover-foreground: #ffffff;
--color-sidebar: #21292c;
--color-sidebar-foreground: #ffffff;
--color-sidebar-border: #4d6066;
--color-sidebar-accent: #374549;
--color-sidebar-accent-foreground: #c5d1d3;
--color-card: #1a2225;
--color-card-foreground: #ffffff;
--color-success: #41b849;
--color-success-foreground: #ffffff;
--color-warning: #ffd452;
--color-warning-foreground: #21292c;
--color-info: #37beff;
--color-info-foreground: #ffffff;
--color-selection: #374549;
--color-selection-foreground: #37beff;
--color-unread: #b88a00;
--color-chart-1: #37beff;
--color-chart-2: #41b849;
--color-chart-3: #ffd452;
--color-chart-4: #ff5552;
--color-chart-5: #b48ead;
}`;
// Component-level overrides that the colour tokens alone can't express:
// Roboto typography and Elastic's signature dark "task menu" rail (which is
// dark in both light and dark mode). Scoped under the skin body attribute so
// it cleanly detaches when the theme is switched off.
const elasticSkin = `
body[data-theme-skin="builtin-roundcube-elastic"] {
font-family: Roboto, "Helvetica Neue", "Segoe UI", Arial, "Noto Sans", sans-serif;
}
/* ── Task menu (left navigation rail) ─────────────────────────── */
body[data-theme-skin="builtin-roundcube-elastic"] .w-14.bg-secondary {
background-color: #2f3a3f !important;
border-right: 1px solid rgba(0, 0, 0, 0.25) !important;
}
/* In dark mode the black hairline vanishes against the dark canvas - use a
light one so the rail still reads as a distinct column. (.dark lives on
<html>, so it must be an ancestor of the skinned <body>.) */
.dark body[data-theme-skin="builtin-roundcube-elastic"] .w-14.bg-secondary {
border-right-color: rgba(255, 255, 255, 0.1) !important;
}
/* Light icons + labels on the dark rail */
body[data-theme-skin="builtin-roundcube-elastic"] .w-14.bg-secondary a,
body[data-theme-skin="builtin-roundcube-elastic"] .w-14.bg-secondary button,
body[data-theme-skin="builtin-roundcube-elastic"] .w-14.bg-secondary .text-muted-foreground {
color: #e7edee !important;
}
/* Hover slab */
body[data-theme-skin="builtin-roundcube-elastic"] .w-14.bg-secondary a:hover,
body[data-theme-skin="builtin-roundcube-elastic"] .w-14.bg-secondary button:hover {
background-color: #41525a !important;
color: #ffffff !important;
}
/* Selected task: brighter slab, accent-blue glyph (matches Elastic) */
body[data-theme-skin="builtin-roundcube-elastic"] .w-14.bg-secondary .bg-primary\\/10 {
background-color: #41525a !important;
}
body[data-theme-skin="builtin-roundcube-elastic"] .w-14.bg-secondary .text-primary {
color: #37beff !important;
}
/* ── Flatten Bulwark's soft radii to Elastic's Bootstrap-flat look ── */
/* Elastic uses ~4px corners on buttons/inputs/cards; rounded-full (pills,
avatars, toggles) is intentionally left alone. */
body[data-theme-skin="builtin-roundcube-elastic"] .rounded-md,
body[data-theme-skin="builtin-roundcube-elastic"] .rounded-lg,
body[data-theme-skin="builtin-roundcube-elastic"] .rounded-xl,
body[data-theme-skin="builtin-roundcube-elastic"] .rounded-2xl,
body[data-theme-skin="builtin-roundcube-elastic"] .rounded-3xl,
body[data-theme-skin="builtin-roundcube-elastic"] input,
body[data-theme-skin="builtin-roundcube-elastic"] textarea,
body[data-theme-skin="builtin-roundcube-elastic"] button:not(.rounded-full) {
border-radius: 4px !important;
}
/* ── Unify panel backgrounds like Roundcube ───────────────────── */
/* In Elastic the folder list, message list and content pane all share one
canvas (white / dark); only the narrow task rail is dark. Bulwark's folder
sidebar uses \`bg-secondary\` (a grey panel), so repaint it with the main
background. The folder sidebar carries the \`border-r\` class; the dark task
rail uses \`bg-secondary\` WITHOUT it (inline-styled border), so this
qualifier leaves the rail dark. */
body[data-theme-skin="builtin-roundcube-elastic"] .bg-secondary.border-r {
background-color: var(--color-background) !important;
}
/* The empty "No conversation selected" pane uses a muted diagonal gradient;
flatten it to the plain canvas so the content area is one solid colour. */
body[data-theme-skin="builtin-roundcube-elastic"] .bg-gradient-to-br.from-muted\\/30.to-muted\\/50 {
background: var(--color-background) !important;
}
/* The message-viewer body sits on a faint muted backing (bg-muted/30); flatten
it to the plain canvas so the whole content pane - search bar, action
toolbar, mail header and body - is one uniform background colour. The
search/toolbar/header are bordered \`bg-background\` strips, so they already
match once we leave them untinted. */
body[data-theme-skin="builtin-roundcube-elastic"] .bg-muted\\/30 {
background-color: var(--color-background) !important;
}
/* ── Elastic primary buttons (.btn-primary) ──────────────────── */
/* Solid accent fill, white label + icon, hairline border, focus halo. Light
= @color-main (#37beff); dark = @color-dark-main (darken 30% -> #006a9d)
with the bright #37beff outline, exactly like the on-switch. */
body[data-theme-skin="builtin-roundcube-elastic"] .bg-primary.text-primary-foreground {
background-color: #37beff !important;
border: 1px solid #37beff !important;
color: #ffffff !important;
}
body[data-theme-skin="builtin-roundcube-elastic"] .bg-primary.text-primary-foreground:hover {
background-color: #19b6fe !important;
border-color: #0bb0ff !important;
}
body[data-theme-skin="builtin-roundcube-elastic"] .bg-primary.text-primary-foreground:focus-visible {
box-shadow: 0 0 0 0.2rem rgba(55, 190, 255, 0.3) !important;
}
.dark body[data-theme-skin="builtin-roundcube-elastic"] .bg-primary.text-primary-foreground {
background-color: #006a9d !important;
border-color: #37beff !important;
color: #ffffff !important;
}
.dark body[data-theme-skin="builtin-roundcube-elastic"] .bg-primary.text-primary-foreground:hover {
background-color: #0079b3 !important;
}
/* ── Elastic on/off switch (.custom-switch) ──────────────────── */
/* Track + knob restyled to the Bootstrap-derived Elastic switch. The toggle
is a [role="switch"] button with a single inner <span> knob. */
body[data-theme-skin="builtin-roundcube-elastic"] [role="switch"] {
background-color: #ced4da !important;
border: 1px solid #b8c0c8 !important;
}
body[data-theme-skin="builtin-roundcube-elastic"] [role="switch"] > span {
background-color: #ffffff !important;
}
body[data-theme-skin="builtin-roundcube-elastic"] [role="switch"][aria-checked="true"] {
background-color: #37beff !important;
border-color: #37beff !important;
}
.dark body[data-theme-skin="builtin-roundcube-elastic"] [role="switch"] {
background-color: #4d6066 !important;
border-color: #5d7077 !important;
}
.dark body[data-theme-skin="builtin-roundcube-elastic"] [role="switch"] > span {
background-color: #c5d1d3 !important;
}
.dark body[data-theme-skin="builtin-roundcube-elastic"] [role="switch"][aria-checked="true"] {
background-color: #006a9d !important;
border-color: #37beff !important;
}
/* ── Recipient name/email rendered as links (like Roundcube) ──── */
/* Sender + recipient triggers (RecipientPopover) sit at \`text-foreground\`
and only turn blue on hover; Elastic shows them link-blue at rest
(@color-link #00acff, brighter in dark). The three-class combo is unique
to these recipient buttons. */
body[data-theme-skin="builtin-roundcube-elastic"] button.hover\\:text-primary.hover\\:underline.cursor-pointer {
color: #00acff !important;
}
.dark body[data-theme-skin="builtin-roundcube-elastic"] button.hover\\:text-primary.hover\\:underline.cursor-pointer {
color: #37beff !important;
}
/* The sender's email address printed under the name is muted grey; Roundcube
shows it link-blue too. It's the div immediately after the name row
(.flex.items-center.flex-wrap), which the contact-card org line is not, so
this sibling selector scopes it to the sender email only. */
body[data-theme-skin="builtin-roundcube-elastic"] .flex.items-center.flex-wrap + div.text-muted-foreground.truncate {
color: #00acff !important;
}
.dark body[data-theme-skin="builtin-roundcube-elastic"] .flex.items-center.flex-wrap + div.text-muted-foreground.truncate {
color: #37beff !important;
}
/* ── Elastic context / popup menus ───────────────────────────── */
/* Roundcube highlights the hovered menu entry with a solid accent fill and
white text (@color-menu-hover-background: @color-main, @color-menu-hover:
#fff) - the same in light and dark. */
body[data-theme-skin="builtin-roundcube-elastic"] [role="menu"] [role="menuitem"]:hover,
body[data-theme-skin="builtin-roundcube-elastic"] [role="menu"] [role="menuitem"]:focus,
body[data-theme-skin="builtin-roundcube-elastic"] [role="menu"] [role="menuitem"]:focus-visible {
background-color: #37beff !important;
color: #ffffff !important;
}
/* Icons (currentColor) and muted accessories (shortcuts, submenu chevron)
follow the white text on hover. */
body[data-theme-skin="builtin-roundcube-elastic"] [role="menu"] [role="menuitem"]:hover svg,
body[data-theme-skin="builtin-roundcube-elastic"] [role="menu"] [role="menuitem"]:focus svg,
body[data-theme-skin="builtin-roundcube-elastic"] [role="menu"] [role="menuitem"]:hover .text-muted-foreground {
color: #ffffff !important;
}
/* ── Elastic folder list: unread count as a rounded pill ─────── */
/* Roundcube shows the unread count in a small grey pill on the right, and no
badge at all when a folder has nothing unread. Bulwark renders plain
"unread / total" text; the counts container is
span.ml-2.flex-shrink-0.gap-1.items-baseline holding an unread span
(.font-semibold), an optional "/" (.text-muted-foreground/60) and the total
(.text-muted-foreground). Reshape it into a pill, drop the total + slash,
and hide the whole badge when there's no unread span. */
body[data-theme-skin="builtin-roundcube-elastic"] .bg-secondary.border-r span.ml-2.flex-shrink-0.gap-1.items-baseline {
align-items: center !important;
justify-content: center;
min-width: 1.6rem;
height: 1.2rem;
padding: 0 0.45rem;
border-radius: 0.75rem;
background-color: #e4e8ea;
}
body[data-theme-skin="builtin-roundcube-elastic"] .bg-secondary.border-r span.ml-2.flex-shrink-0.gap-1.items-baseline > span.text-muted-foreground,
body[data-theme-skin="builtin-roundcube-elastic"] .bg-secondary.border-r span.ml-2.flex-shrink-0.gap-1.items-baseline > span.text-muted-foreground\\/60 {
display: none !important;
}
body[data-theme-skin="builtin-roundcube-elastic"] .bg-secondary.border-r span.ml-2.flex-shrink-0.gap-1.items-baseline > span {
color: #5e6b70 !important;
font-weight: 600 !important;
}
/* No unread span -> no badge (matches Sent/Drafts in Roundcube). */
body[data-theme-skin="builtin-roundcube-elastic"] .bg-secondary.border-r span.ml-2.flex-shrink-0.gap-1.items-baseline:not(:has(span.font-semibold)) {
display: none !important;
}
.dark body[data-theme-skin="builtin-roundcube-elastic"] .bg-secondary.border-r span.ml-2.flex-shrink-0.gap-1.items-baseline {
background-color: #3f4e55;
}
.dark body[data-theme-skin="builtin-roundcube-elastic"] .bg-secondary.border-r span.ml-2.flex-shrink-0.gap-1.items-baseline > span {
color: #c9d3d5 !important;
}
/* A slightly bolder accent bar on the selected folder, like Elastic. */
body[data-theme-skin="builtin-roundcube-elastic"] .bg-secondary.border-r .border-l-2.border-primary {
border-left-width: 3px !important;
}`;
export const BUILTIN_THEMES: InstalledTheme[] = [
{
id: 'builtin-qui',
@@ -373,4 +680,17 @@ export const BUILTIN_THEMES: InstalledTheme[] = [
enabled: true,
builtIn: true,
},
{
id: 'builtin-roundcube-elastic',
name: 'Roundcube Elastic',
version: '1.0.0',
author: 'Built-in',
description: 'Faithful recreation of Roundcube\'s Elastic skin - Roboto, the #37beff blue, and the dark task-menu rail',
css: elasticCSS,
skin: elasticSkin,
variants: ['light', 'dark'],
typography: { fontSans: 'Roboto, "Helvetica Neue", Arial, sans-serif', baseFontSize: '14px' },
enabled: true,
builtIn: true,
},
];