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fix(theme): theme-aware brand chrome so user theme selection works (C-lite) #11

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mohlec merged 1 commit from theme/gradient-c-lite into slash/main 2026-07-09 17:50:09 +00:00
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mohlec commented 2026-07-09 16:47:39 +00:00
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Removes the global !important content-surface overrides in slash-theme.css that blocked theme switching on web (default rendered overtop the chosen theme; mobile unaffected). Brand gradients now derive from the active theme CSS vars via color-mix, so they track the chosen theme instead of freezing NCW purple. Content colors come from the built-in slash theme. Webapp-only.

Removes the global !important content-surface overrides in slash-theme.css that blocked theme switching on web (default rendered overtop the chosen theme; mobile unaffected). Brand gradients now derive from the active theme CSS vars via color-mix, so they track the chosen theme instead of freezing NCW purple. Content colors come from the built-in slash theme. Webapp-only.
fix(theme): make brand chrome theme-aware so user theme selection works (C-lite)
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87976fab57 
slash-theme.css was a global !important stylesheet hardcoding NCW colors on
content surfaces (post list, messages, channel header, modals, links, etc.),
overriding Mattermost's theme variables. On web, picking any non-default theme
appeared to do nothing — the default rendered overtop. Mobile was unaffected
(native RN theming never loads this CSS).

Fix: remove ALL content-surface color overrides (the built-in 'slash' theme in
preferences.ts already provides the default NCW look via theme variables, and
now yields to a user's chosen theme). Rewrite the sidebar / global-header /
app-bar / primary-button gradients to DERIVE from the active theme's CSS vars
(var(--sidebar-bg), var(--button-bg), ...) via color-mix — so the brand
gradient tracks whatever theme the user picks instead of freezing NCW purple.
Login/signup branding + AI icon stay fixed NCW purple (pre-auth, no user theme).

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
mohlec merged commit ab6e072f83 into slash/main 2026-07-09 17:50:09 +00:00
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