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feat(web): slim, theme-aware scrollbar for chat transcript #64

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Merged
Anton-Horn merged 1 commit into from
Jul 5, 2026
Merged

feat(web): slim, theme-aware scrollbar for chat transcript #64

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2 changes: 1 addition & 1 deletion web/src/components/chat-ui/Conversation.tsx
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Original file line number Diff line number Diff line change
Expand Up @@ -20,7 +20,7 @@ export const ConversationContent = ({
}: ComponentProps<typeof StickToBottom.Content>) => (
<StickToBottom.Content
className={cn("flex min-w-0 flex-col gap-4 p-4", className)}
scrollClassName="min-w-0"
scrollClassName="min-w-0 chat-scroll"
{...props}
/>
);
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37 changes: 26 additions & 11 deletions web/src/index.css
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Original file line number Diff line number Diff line change
Expand Up @@ -226,36 +226,51 @@
display: none;
}

/* ── Slim, unobtrusive scrollbar for the project sidebar ── */
/* ── Slim, unobtrusive scrollbars (sidebar + chat transcript) ── */
[data-slot="sidebar-content"] {
--scrollbar-tint: var(--sidebar-foreground);
}
.chat-scroll {
--scrollbar-tint: var(--foreground);
}
[data-slot="sidebar-content"],
.chat-scroll {
scrollbar-width: thin;
scrollbar-color: transparent transparent;
transition: scrollbar-color 0.2s ease;
}
[data-slot="sidebar-content"]:hover,
[data-slot="sidebar-content"]:focus-within {
scrollbar-color: color-mix(in srgb, var(--sidebar-foreground) 22%, transparent)
[data-slot="sidebar-content"]:focus-within,
.chat-scroll:hover,
.chat-scroll:focus-within {
scrollbar-color: color-mix(in srgb, var(--scrollbar-tint) 22%, transparent)
transparent;
}
[data-slot="sidebar-content"]::-webkit-scrollbar {
[data-slot="sidebar-content"]::-webkit-scrollbar,
.chat-scroll::-webkit-scrollbar {
width: 10px;
}
[data-slot="sidebar-content"]::-webkit-scrollbar-track {
[data-slot="sidebar-content"]::-webkit-scrollbar-track,
.chat-scroll::-webkit-scrollbar-track {
background: transparent;
}
[data-slot="sidebar-content"]::-webkit-scrollbar-thumb {
[data-slot="sidebar-content"]::-webkit-scrollbar-thumb,
.chat-scroll::-webkit-scrollbar-thumb {
background-color: transparent;
border: 3px solid transparent;
border-radius: 9999px;
background-clip: padding-box;
transition: background-color 0.2s ease;
}
[data-slot="sidebar-content"]:hover::-webkit-scrollbar-thumb,
[data-slot="sidebar-content"]:focus-within::-webkit-scrollbar-thumb {
background-color: color-mix(in srgb, var(--sidebar-foreground) 22%, transparent);
}
[data-slot="sidebar-content"]::-webkit-scrollbar-thumb:hover {
background-color: color-mix(in srgb, var(--sidebar-foreground) 38%, transparent);
[data-slot="sidebar-content"]:focus-within::-webkit-scrollbar-thumb,
.chat-scroll:hover::-webkit-scrollbar-thumb,
.chat-scroll:focus-within::-webkit-scrollbar-thumb {
background-color: color-mix(in srgb, var(--scrollbar-tint) 22%, transparent);
}
[data-slot="sidebar-content"]::-webkit-scrollbar-thumb:hover,
.chat-scroll::-webkit-scrollbar-thumb:hover {
background-color: color-mix(in srgb, var(--scrollbar-tint) 38%, transparent);
}

.scroll-shadow {
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