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Fix code highlighting in system-dark theme mode #29

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Merged
pufit merged 1 commit into from
Apr 6, 2026
Merged

Fix code highlighting in system-dark theme mode #29

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12 changes: 9 additions & 3 deletions web/src/index.css
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Original file line number Diff line number Diff line change
Expand Up @@ -16,10 +16,12 @@
--color-text-faint: var(--theme-text-faint);
--color-border: var(--theme-border);
--color-border-subtle: var(--theme-border-subtle);
--color-link: var(--theme-link);
}

/* ── Dark palette (default) ── */
:root {
color-scheme: dark;
--theme-bg: #0f0f0f;
--theme-bg-sunken: #0c0c0c;
--theme-surface: #141414;
Expand All @@ -33,10 +35,12 @@
--theme-text-faint: #444444;
--theme-border: #2a2a2a;
--theme-border-subtle: #222222;
--theme-link: #818cf8;
}

/* ── Light palette (explicit) ── */
[data-theme="light"] {
color-scheme: light;
--theme-bg: #f5f5f5;
--theme-bg-sunken: #ebebeb;
--theme-surface: #ffffff;
Expand All @@ -50,11 +54,13 @@
--theme-text-faint: #bbbbbb;
--theme-border: #d4d4d4;
--theme-border-subtle: #e0e0e0;
--theme-link: #4f46e5;
}

/* ── System preference (when no explicit data-theme) ── */
@media (prefers-color-scheme: light) {
:root:not([data-theme="dark"]) {
color-scheme: light;
--theme-bg: #f5f5f5;
--theme-bg-sunken: #ebebeb;
--theme-surface: #ffffff;
Expand All @@ -68,6 +74,7 @@
--theme-text-faint: #bbbbbb;
--theme-border: #d4d4d4;
--theme-border-subtle: #e0e0e0;
--theme-link: #4f46e5;
}
}

Expand All @@ -93,7 +100,7 @@ body {
.markdown-content ul, .markdown-content ol { margin: 0.4em 0; padding-left: 1.5em; }
.markdown-content li { margin: 0.2em 0; line-height: 1.5; }
.markdown-content blockquote { border-left: 3px solid var(--theme-text-faint); padding-left: 1em; margin: 0.5em 0; color: var(--theme-text-muted); }
.markdown-content a { color: #818cf8; text-decoration: none; }
.markdown-content a { color: var(--theme-link); text-decoration: none; }
.markdown-content a:hover { text-decoration: underline; }
.markdown-content table { border-collapse: collapse; margin: 0.5em 0; width: 100%; }
.markdown-content th, .markdown-content td { border: 1px solid var(--theme-border-subtle); padding: 0.4em 0.8em; text-align: left; }
Expand Down Expand Up @@ -135,8 +142,7 @@ body {
}

/* ── Highlight.js light mode overrides ── */
[data-theme="light"] .hljs,
:root:not([data-theme="dark"]) .hljs {
[data-theme="light"] .hljs {
color: #24292e;
background: var(--theme-code-bg);
}
Expand Down