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ui: polish chat interface with centered empty state and smooth transitions #3

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Merged
Orsso merged 3 commits into from
Mar 18, 2026
Merged

ui: polish chat interface with centered empty state and smooth transitions #3

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b11bde0
ui: polish chat interface — centered empty state, smooth transitions,…
Mar 18, 2026
ef2760f
fix: resolve React 19 lint errors (refs during render, setState in ef…
Mar 18, 2026
7358a10
fix: allow Enter to insert newline when submit is disabled
Mar 18, 2026
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36 changes: 36 additions & 0 deletions frontend/app/globals.css
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Original file line number Diff line number Diff line change
Expand Up @@ -185,6 +185,9 @@
@apply border-b border-border/50 px-3 py-2;
}

.prose-agent > *:first-child { margin-top: 0; }
.prose-agent > *:last-child { margin-bottom: 0; }

.prose-agent a {
@apply text-primary underline underline-offset-2;
}
Expand All @@ -193,6 +196,39 @@
@apply my-6 border-border/50;
}

/* streaming cursor — inline caret after the last text element */
.streaming-cursor > *:last-child::after {
content: '';
display: inline-block;
width: 2px;
height: 1em;
margin-left: 2px;
vertical-align: text-bottom;
border-radius: 1px;
background: hsl(var(--primary));
animation: cursor-blink 1s steps(2) infinite;
}
@keyframes cursor-blink {
0% { opacity: 1; }
50% { opacity: 0; }
}

/* skeleton shimmer for loading placeholders */
@keyframes shimmer {
0% { background-position: -200% 0; }
100% { background-position: 200% 0; }
}
.skeleton-shimmer {
background: linear-gradient(
90deg,
hsl(var(--muted)) 25%,
hsl(var(--muted-foreground) / 0.08) 50%,
hsl(var(--muted)) 75%
);
background-size: 200% 100%;
animation: shimmer 1.8s ease-in-out infinite;
}

/* pulsing dots */
@keyframes pulsing-dot {
0%, 80%, 100% { opacity: 0.2; transform: scale(0.8); }
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