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fix: always show a thin scrollbar instead of revealing it on hover #864

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Merged
qinxuye merged 4 commits into from
Jul 13, 2026
Merged

fix: always show a thin scrollbar instead of revealing it on hover #864

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5b1e169
fix: always show a thin scrollbar instead of revealing it on hover
bluefish-08 Jul 12, 2026
987776b
fix: use background-color for scrollbar thumb to keep background-clip
bluefish-08 Jul 12, 2026
c6524fe
fix: remove orphaned scrollbar-visibility-controller script
bluefish-08 Jul 12, 2026
feb1e8f
fix: drop unused horizontal scrollbar height on vertical-only containers
bluefish-08 Jul 12, 2026
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40 changes: 10 additions & 30 deletions frontend/src/app/globals.css
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Original file line number Diff line number Diff line change
Expand Up @@ -408,49 +408,29 @@ body .hover\:\text-\[\#E6EDF3\]:hover {
overflow-y: auto;
}

/* Native scrollbar style optimization */
/* Native scrollbar: always visible, thin and subtle */
.overflow-y-auto {
scrollbar-width: none;
scrollbar-color: transparent transparent;
scrollbar-width: thin;
scrollbar-color: hsl(var(--muted-foreground) / 0.3) transparent;
}

.overflow-y-auto::-webkit-scrollbar {
width: 6px;
width: 8px;
}

.overflow-y-auto::-webkit-scrollbar-track {
background: transparent;
border-radius: 3px;
}

.overflow-y-auto::-webkit-scrollbar-thumb {
background: transparent;
border-radius: 3px;
}

.overflow-y-auto.scrolling,
.overflow-y-auto:hover,
.overflow-y-auto:focus-within {
scrollbar-width: thin;
scrollbar-color: hsl(var(--muted-foreground) / 0.35) hsl(var(--muted) / 0.18);
}

.overflow-y-auto.scrolling::-webkit-scrollbar-track,
.overflow-y-auto:hover::-webkit-scrollbar-track,
.overflow-y-auto:focus-within::-webkit-scrollbar-track {
background: hsl(var(--muted) / 0.18);
background-color: hsl(var(--muted-foreground) / 0.3);
border-radius: 4px;
border: 2px solid transparent;
background-clip: content-box;
}

.overflow-y-auto.scrolling::-webkit-scrollbar-thumb,
.overflow-y-auto:hover::-webkit-scrollbar-thumb,
.overflow-y-auto:focus-within::-webkit-scrollbar-thumb {
background: hsl(var(--muted-foreground) / 0.35);
}

.overflow-y-auto.scrolling::-webkit-scrollbar-thumb:hover,
.overflow-y-auto:hover::-webkit-scrollbar-thumb:hover,
.overflow-y-auto:focus-within::-webkit-scrollbar-thumb:hover {
background: hsl(var(--muted-foreground) / 0.5);
.overflow-y-auto::-webkit-scrollbar-thumb:hover {
background-color: hsl(var(--muted-foreground) / 0.5);
}
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bluefish-08 marked this conversation as resolved.

/* Ensure execution log content does not overflow */
Expand Down
29 changes: 0 additions & 29 deletions frontend/src/app/layout.tsx
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Original file line number Diff line number Diff line change
@@ -1,6 +1,5 @@
import type { Metadata } from "next";
import type { CSSProperties } from "react";
import Script from "next/script";
import "./globals.css";
import { AuthProvider } from "@/contexts/auth-context";
import { ThemeProvider } from "@/contexts/theme-context";
Expand Down Expand Up @@ -128,34 +127,6 @@ export default function RootLayout({
</AuthProvider>
</ThemeProvider>
</I18nProvider>
<Script id="scrollbar-visibility-controller" strategy="afterInteractive">
{`
(() => {
const hideTimers = new WeakMap();

document.addEventListener("scroll", (event) => {
const target = event.target;
if (!(target instanceof HTMLElement) || !target.classList.contains("overflow-y-auto")) {
return;
}

target.classList.add("scrolling");

const existingTimer = hideTimers.get(target);
if (existingTimer) {
window.clearTimeout(existingTimer);
}

const nextTimer = window.setTimeout(() => {
target.classList.remove("scrolling");
hideTimers.delete(target);
}, 700);

hideTimers.set(target, nextTimer);
}, true);
})();
`}
</Script>
</body>
</html>
);
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