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fix(design): replace retired blue with Signal cobalt #2650

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Merged
lilyshen0722 merged 1 commit into from
Oct 24, 2026
Merged

fix(design): replace retired blue with Signal cobalt #2650

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1 change: 1 addition & 0 deletions frontend/design-system/preview/brand-logo.html
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Expand Up @@ -89,6 +89,7 @@
}
.verdict .dot { width:7px; height:7px; border-radius:50%; background:var(--c-accent); }
</style></head><body>
<aside aria-label="Historical design reference"><strong>Historical, pre-Signal reference.</strong> These values are not the current design contract. Use <a href="../../../docs/design/signal-identity.md">Signal identity</a> and <a href="../README.md#identity-signal-chosen-2026-09-03">the current design-system rules</a>.</aside>

<!-- Inline SVG sprite — referenced as <svg viewBox="0 0 64 64"><use href="#mark"/></svg> below.
Uses currentColor so the tile color drives the glyph. -->
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1 change: 1 addition & 0 deletions frontend/design-system/preview/colors-accent.html
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Expand Up @@ -38,6 +38,7 @@
font-size:11px; font-weight:700; letter-spacing:0.01em;
}
</style></head><body>
<aside aria-label="Historical design reference"><strong>Historical, pre-Signal reference.</strong> These values are not the current design contract. Use <a href="../../../docs/design/signal-identity.md">Signal identity</a> and <a href="../README.md#identity-signal-chosen-2026-09-03">the current design-system rules</a>.</aside>
<div class="col">

<div class="group">
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1 change: 1 addition & 0 deletions frontend/design-system/preview/colors-agent-roles.html
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Expand Up @@ -42,6 +42,7 @@
}
.chip .dot { width:8px; height:8px; border-radius:50%; }
</style></head><body>
<aside aria-label="Historical design reference"><strong>Historical, pre-Signal reference.</strong> These values are not the current design contract. Use <a href="../../../docs/design/signal-identity.md">Signal identity</a> and <a href="../README.md#identity-signal-chosen-2026-09-03">the current design-system rules</a>.</aside>
<div class="col">

<div>
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1 change: 1 addition & 0 deletions frontend/design-system/preview/colors-semantic.html
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Expand Up @@ -29,6 +29,7 @@

.strike { text-decoration:line-through; color:var(--c-fg-tertiary); font-family:var(--c-font-mono); font-size:11px; }
</style></head><body>
<aside aria-label="Historical design reference"><strong>Historical, pre-Signal reference.</strong> These values are not the current design contract. Use <a href="../../../docs/design/signal-identity.md">Signal identity</a> and <a href="../README.md#identity-signal-chosen-2026-09-03">the current design-system rules</a>.</aside>
<div class="col">

<div>
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1 change: 1 addition & 0 deletions frontend/design-system/preview/components-buttons.html
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Expand Up @@ -92,6 +92,7 @@
}
.chip.is-active .chip__count { opacity:.8; }
</style></head><body>
<aside aria-label="Historical design reference"><strong>Historical, pre-Signal reference.</strong> These values are not the current design contract. Use <a href="../../../docs/design/signal-identity.md">Signal identity</a> and <a href="../README.md#identity-signal-chosen-2026-09-03">the current design-system rules</a>.</aside>

<!-- Reusable mini-icons for examples -->
<svg width="0" height="0" style="position:absolute" aria-hidden="true">
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2 changes: 1 addition & 1 deletion frontend/design-system/tokens.css
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Expand Up @@ -278,4 +278,4 @@ pre, .c-pre {
overflow-x: auto;
}

::selection { background: rgba(47, 111, 235, 0.20); }
::selection { background: rgba(29, 63, 209, 0.20); }
14 changes: 7 additions & 7 deletions frontend/index.html
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Expand Up @@ -3,7 +3,7 @@
<head>
<meta charset="utf-8" />
<meta name="viewport" content="width=device-width, initial-scale=1" />
<meta name="theme-color" content="#2f6feb" />
<meta name="theme-color" content="#1d3fd1" />
<!-- Every page load 404ed on /favicon.ico until 2026-08-05 — no icon link
existed at all. SVG serves Chrome/Firefox/Edge; Safari ignores SVG
favicons and will still probe /favicon.ico (harmless 404) until a
Expand Down Expand Up @@ -50,8 +50,8 @@
#seo-page { display: none; }
#seo-page { box-sizing: border-box; min-height: 100vh; color: #111827; background: #f8f8fb; font: 16px/1.6 Inter, ui-sans-serif, system-ui, sans-serif; }
#seo-page *, #seo-page *::before, #seo-page *::after { box-sizing: inherit; }
#seo-page a { color: #2456c8; text-decoration-thickness: 1px; text-underline-offset: 3px; }
#seo-page a:hover { color: #14306f; }
#seo-page a { color: #1d3fd1; text-decoration-thickness: 1px; text-underline-offset: 3px; }
#seo-page a:hover { color: #0f2378; }
#seo-page .seo-header, #seo-page main, #seo-page .seo-footer { width: min(1120px, calc(100% - 40px)); margin: 0 auto; }
#seo-page .seo-header { display: flex; align-items: center; justify-content: space-between; gap: 24px; min-height: 72px; }
#seo-page .seo-header nav { display: flex; flex-wrap: wrap; gap: 16px; }
Expand All @@ -65,13 +65,13 @@
#seo-page .seo-hero { padding-top: 100px; padding-bottom: 100px; }
#seo-page .seo-lede { color: #4b5563; font-size: 1.15rem; }
#seo-page .seo-byline { color: #7b8494; font-size: .875rem; line-height: 1.7; }
#seo-page .seo-kicker { margin-bottom: 10px; color: #2456c8; font-size: .78rem; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
#seo-page .seo-kicker { margin-bottom: 10px; color: #1d3fd1; font-size: .78rem; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
#seo-page .seo-actions { display: flex; flex-wrap: wrap; gap: 16px; align-items: center; margin-top: 28px; }
#seo-page .seo-primary { display: inline-block; border-radius: 999px; padding: 10px 18px; color: #fff; background: #2f6feb; font-weight: 800; text-decoration: none; }
#seo-page .seo-primary:hover { color: #fff; background: #1f55c9; }
#seo-page .seo-primary { display: inline-block; border-radius: 999px; padding: 10px 18px; color: #fff; background: #1d3fd1; font-weight: 800; text-decoration: none; }
#seo-page .seo-primary:hover { color: #fff; background: #1633a8; }
#seo-page .seo-install { color: #4b5563; }
#seo-page .seo-install code { display: inline-block; overflow-wrap: anywhere; padding: 10px 12px; border: 1px solid #eef0f6; border-radius: 8px; color: #111827; background: #f4f3f8; }
#seo-page .seo-band { width: 100%; max-width: none; margin-left: calc((100vw - min(1120px, calc(100vw - 40px))) / -2); padding-right: max(20px, calc((100vw - 1120px) / 2)); padding-left: max(20px, calc((100vw - 1120px) / 2)); color: #14306f; background: #e8efff; }
#seo-page .seo-band { width: 100%; max-width: none; margin-left: calc((100vw - min(1120px, calc(100vw - 40px))) / -2); padding-right: max(20px, calc((100vw - 1120px) / 2)); padding-left: max(20px, calc((100vw - 1120px) / 2)); color: #0f2378; background: #e9edfb; }
#seo-page .seo-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 16px; }
#seo-page .seo-card { padding: 24px; border: 1px solid #eef0f6; border-radius: 12px; background: #fff; }
#seo-page .seo-card p:last-child, #seo-page .seo-card ul:last-child { margin-bottom: 0; }
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10 changes: 5 additions & 5 deletions frontend/public/favicon.svg
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6 changes: 3 additions & 3 deletions frontend/src/App.css
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Expand Up @@ -162,7 +162,7 @@ body.modern-ui:not(.v2-canvas) input:focus {
box-shadow: 0 0 0 3px rgba(96, 165, 250, 0.25);
}

body.modern-ui:not(.v2-canvas) button {
body.modern-ui:not(.v2-canvas):not(.guide-canvas) button {
background-color: #2563eb;
color: #f8fafc;
padding: 12px 20px;
Expand All @@ -174,12 +174,12 @@ body.modern-ui:not(.v2-canvas) button {
transition: background-color 0.2s, transform 0.1s;
}

body.modern-ui:not(.v2-canvas) button:hover {
body.modern-ui:not(.v2-canvas):not(.guide-canvas) button:hover {
background-color: #1d4ed8;
transform: translateY(-1px);
}

body.modern-ui:not(.v2-canvas) button:active {
body.modern-ui:not(.v2-canvas):not(.guide-canvas) button:active {
transform: translateY(1px);
}

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15 changes: 7 additions & 8 deletions frontend/src/components/landing/GuidePage.tsx
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Expand Up @@ -10,9 +10,8 @@ import {
} from '@mui/material';
import ArrowBackIcon from '@mui/icons-material/ArrowBack';
import ArrowForwardIcon from '@mui/icons-material/ArrowForward';
import commonlyLogo from '../../assets/commonly-logo.png';
import guides from '../../content/guides.json';
import { guidePalette, useGuideCanvas } from './guideShell';
import { guidePalette, guideTextButtonSx, useGuideCanvas } from './guideShell';

interface GuideStrongParagraph {
strong: string;
Expand Down Expand Up @@ -89,7 +88,7 @@ const GuidePage: React.FC = () => {
return (
<Box sx={{ minHeight: '100vh', backgroundColor: guidePalette.page, color: guidePalette.textPrimary, py: 10 }}>
<Container maxWidth="md">
<Button sx={{ color: guidePalette.accentText }} startIcon={<ArrowBackIcon />} onClick={() => navigate('/')}>
<Button sx={guideTextButtonSx} startIcon={<ArrowBackIcon />} onClick={() => navigate('/')}>
Back to landing
</Button>
<Typography variant="h4" sx={{ mt: 3, mb: 1, color: guidePalette.textPrimary, fontWeight: 700 }}>
Expand All @@ -107,11 +106,11 @@ const GuidePage: React.FC = () => {
<Box sx={{ minHeight: '100vh', backgroundColor: guidePalette.page, color: guidePalette.textPrimary }}>
<Container maxWidth="md" sx={{ pt: 5, pb: 10 }}>
<Stack direction="row" justifyContent="space-between" alignItems="center" sx={{ mb: 6 }}>
<Button sx={{ color: guidePalette.accentText }} startIcon={<ArrowBackIcon />} onClick={() => navigate('/')}>
<Button sx={guideTextButtonSx} startIcon={<ArrowBackIcon />} onClick={() => navigate('/')}>
Back to landing
</Button>
<Stack direction="row" alignItems="center" spacing={1}>
<img src={commonlyLogo} alt="Commonly Logo" width={26} height={26} />
<img src="/favicon.svg" alt="Commonly Logo" width={26} height={26} />
<Typography sx={{ color: guidePalette.textPrimary, fontWeight: 700, letterSpacing: '-0.02em' }}>Commonly</Typography>
</Stack>
</Stack>
Expand Down Expand Up @@ -194,7 +193,7 @@ const GuidePage: React.FC = () => {
))}
{section.links && (
<Stack direction={{ xs: 'column', sm: 'row' }} spacing={1} sx={{ mt: 2 }}>
{section.links.map((link) => <Button key={link.path} component="a" href={link.path} target={link.external ? '_blank' : undefined} rel={link.external ? 'noreferrer' : undefined} sx={{ alignSelf: 'flex-start', color: guidePalette.accentText }}>{link.label}</Button>)}
{section.links.map((link) => <Button key={link.path} component="a" href={link.path} target={link.external ? '_blank' : undefined} rel={link.external ? 'noreferrer' : undefined} sx={{ ...guideTextButtonSx, alignSelf: 'flex-start' }}>{link.label}</Button>)}
</Stack>
)}
</Box>
Expand Down Expand Up @@ -236,8 +235,8 @@ const GuidePage: React.FC = () => {
// Compare is emitted as a static document. React Router would
// otherwise hand this path to the V2 catch-all instead of
// requesting build/compare/index.html.
? <Button key={link.path} variant="text" component="a" href={link.path} sx={{ color: guidePalette.accentText }}>{link.label}</Button>
: <Button key={link.path} variant="text" sx={{ color: guidePalette.accentText }} onClick={() => navigate(link.path)}>{link.label}</Button>
? <Button key={link.path} variant="text" component="a" href={link.path} sx={guideTextButtonSx}>{link.label}</Button>
: <Button key={link.path} variant="text" sx={guideTextButtonSx} onClick={() => navigate(link.path)}>{link.label}</Button>
))}
</Stack>
</Container>
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9 changes: 4 additions & 5 deletions frontend/src/components/landing/GuidesIndexPage.tsx
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Expand Up @@ -9,9 +9,8 @@ import {
} from '@mui/material';
import ArrowBackIcon from '@mui/icons-material/ArrowBack';
import ArrowForwardIcon from '@mui/icons-material/ArrowForward';
import commonlyLogo from '../../assets/commonly-logo.png';
import guides from '../../content/guides.json';
import { guidePalette, useGuideCanvas } from './guideShell';
import { guidePalette, guideTextButtonSx, useGuideCanvas } from './guideShell';

interface Guide {
eyebrow: string;
Expand All @@ -29,11 +28,11 @@ const GuidesIndexPage: React.FC = () => {
<Box sx={{ minHeight: '100vh', backgroundColor: guidePalette.page, color: guidePalette.textPrimary }}>
<Container maxWidth="md" sx={{ pt: 5, pb: 10 }}>
<Stack direction="row" justifyContent="space-between" alignItems="center" sx={{ mb: 6 }}>
<Button sx={{ color: guidePalette.accentText }} startIcon={<ArrowBackIcon />} onClick={() => navigate('/')}>
<Button sx={guideTextButtonSx} startIcon={<ArrowBackIcon />} onClick={() => navigate('/')}>
Back to landing
</Button>
<Stack direction="row" alignItems="center" spacing={1}>
<img src={commonlyLogo} alt="Commonly Logo" width={26} height={26} />
<img src="/favicon.svg" alt="Commonly Logo" width={26} height={26} />
<Typography sx={{ color: guidePalette.textPrimary, fontWeight: 700, letterSpacing: '-0.02em' }}>Commonly</Typography>
</Stack>
</Stack>
Expand All @@ -60,7 +59,7 @@ const GuidesIndexPage: React.FC = () => {
<Typography sx={{ color: guidePalette.textSecondary, lineHeight: 1.75, mb: 2.5 }}>
{guide.summary}
</Typography>
<Button sx={{ color: guidePalette.accentText }} endIcon={<ArrowForwardIcon />} onClick={() => navigate(`/guides/${id}/`)}>
<Button sx={guideTextButtonSx} endIcon={<ArrowForwardIcon />} onClick={() => navigate(`/guides/${id}/`)}>
Read the guide
</Button>
</Box>
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16 changes: 11 additions & 5 deletions frontend/src/components/landing/guideShell.ts
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Expand Up @@ -9,11 +9,17 @@ export const guidePalette = {
textPrimary: '#111827',
textSecondary: '#4b5563',
textTertiary: '#7b8494',
accent: '#2f6feb',
accentStrong: '#1f55c9',
accentSoft: '#e8efff',
accentText: '#2456c8',
accentDeep: '#14306f',
accent: '#1d3fd1',
accentStrong: '#1633a8',
accentSoft: '#e9edfb',
accentText: '#1d3fd1',
accentDeep: '#0f2378',
} as const;

// Text-button state colors must not fall back to the legacy root MUI theme.
export const guideTextButtonSx = {
color: guidePalette.accentText,
'&:hover': { backgroundColor: guidePalette.accentSoft },
} as const;

// Guides render outside V2's component tree, so keep their page canvas light
Expand Down
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