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🐛 fix(playground): fix theme switching not working in production build #1579

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Merged
harehare merged 1 commit into from
Apr 12, 2026
+30 −21
Merged

🐛 fix(playground): fix theme switching not working in production build #1579

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24 changes: 20 additions & 4 deletions packages/mq-playground/src/Playground.tsx
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Original file line number Diff line number Diff line change
Expand Up @@ -371,8 +371,16 @@ export const Playground = () => {

const themeParam = urlParams.get("theme");
if (themeParam) {
document.documentElement.style.colorScheme =
themeParam === "dark" ? "dark" : "light";
const isDark = themeParam === "dark";
document.documentElement.style.colorScheme = isDark ? "dark" : "light";
document.documentElement.style.setProperty(
"--lightningcss-light",
isDark ? " " : "initial"
);
document.documentElement.style.setProperty(
"--lightningcss-dark",
isDark ? "initial" : " "
);
}

// Update sidebar visibility from URL parameter if present
Expand Down Expand Up @@ -1004,8 +1012,16 @@ export const Playground = () => {

if (theme === "system") {
document.documentElement.style.colorScheme = "";
document.documentElement.style.removeProperty("--lightningcss-light");
document.documentElement.style.removeProperty("--lightningcss-dark");
} else if (theme === "dark") {
document.documentElement.style.colorScheme = "dark";
document.documentElement.style.setProperty("--lightningcss-light", " ");
document.documentElement.style.setProperty("--lightningcss-dark", "initial");
} else {
document.documentElement.style.colorScheme = theme;
document.documentElement.style.colorScheme = "light";
document.documentElement.style.setProperty("--lightningcss-light", "initial");
document.documentElement.style.setProperty("--lightningcss-dark", " ");
}
}, [
vimModeEnabled,
Expand Down Expand Up @@ -1519,7 +1535,7 @@ export const Playground = () => {
>
<img src="./logo.svg" className="logo-icon" />
</a>
<h1 style={{ color: "#67b8e3" }}>mq</h1>
<h1 style={{ color: "var(--header-title-color)" }}>mq</h1>
</div>
<div
style={{
Expand Down
27 changes: 10 additions & 17 deletions packages/mq-playground/src/index.css
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Original file line number Diff line number Diff line change
@@ -1,14 +1,3 @@
:root {
--primary-color: #20638f;
--secondary-color: #1E1E1E;
--dark-color: #123850;
--light-color: #e8f4fc;
--lighter-blue: #f0f8ff;
--accent-blue: #5dade2;
--text-color: #2c3e50;
--code-bg: #eef7fd;
}

body {
margin: 0;
}
Expand All @@ -17,7 +6,7 @@ body {
display: flex;
flex-direction: column;
height: 100vh;
background-color: #f0f4f8;
background-color: var(--playground-bg);
font-family: "Montserrat", -apple-system, BlinkMacSystemFont, 'Segoe UI', Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
overflow: hidden;
}
Expand Down Expand Up @@ -165,7 +154,7 @@ body {

.execution-time {
background-color: light-dark(rgba(103, 184, 227, 0.15), rgba(103, 184, 227, 0.2));
color: light-dark(#67b8e3, #67b8e3);
color: var(--header-title-color);
padding: 2px 8px;
border-radius: 4px;
font-size: 11px;
Expand Down Expand Up @@ -252,7 +241,7 @@ body {

.button {
background-color: transparent;
color: var(--primary-color);
color: var(--button-color);
border: none;
padding: 4px 8px;
font-size: 0.875rem;
Expand All @@ -270,7 +259,7 @@ body {
}

.button:hover {
color: #88acd2;
color: var(--button-hover-color);
font-weight: 600;
}

Expand All @@ -291,7 +280,7 @@ body {

.format-button:disabled,
.run-button:disabled {
background-color: #a0aec0;
background-color: var(--disabled-bg);
cursor: not-allowed;
}

Expand All @@ -302,7 +291,6 @@ body {
.loading-message,
.empty-message {
padding: 16px;
color: #718096;
background-color: var(--secondary-color);
height: 100%;
}
Expand All @@ -329,6 +317,11 @@ body {
--info-color: light-dark(#4299e1, #63b3ed);
--warning-color: light-dark(#ed8936, #f6ad55);
--hover-bg: light-dark(rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.1));
--playground-bg: light-dark(#f0f4f8, #1e1e1e);
--button-color: light-dark(#3182ce, #63b3ed);
--button-hover-color: light-dark(#2c5282, #88acd2);
--disabled-bg: light-dark(#a0aec0, #4a5568);
--header-title-color: light-dark(#67b8e3, #5dade2);

/* File tree colors */
--tree-bg: light-dark(#f7fafc, #252526);
Expand Down
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