diff --git a/src/server/app-assets.ts b/src/server/app-assets.ts
index d0d9d19..d6b6f46 100644
--- a/src/server/app-assets.ts
+++ b/src/server/app-assets.ts
@@ -41,6 +41,7 @@ export const APP_STYLES = `      :root {
         --overlay-media-bg: rgba(15, 23, 42, 0.86);
         --overlay-media-border: rgba(148, 163, 184, 0.18);
         --overlay-media-shadow: 0 12px 30px rgba(2, 6, 23, 0.3);
+        --overlay-caption-text: rgba(226, 232, 240, 0.82);
         --card-border: rgba(148, 163, 184, 0.16);
         --timeline-surface: rgba(15, 23, 42, 0.88);
         --timeline-surface-soft: rgba(15, 23, 42, 0.76);
@@ -104,6 +105,7 @@ export const APP_STYLES = `      :root {
         --overlay-media-bg: rgba(248, 250, 252, 0.94);
         --overlay-media-border: rgba(148, 163, 184, 0.26);
         --overlay-media-shadow: 0 10px 24px rgba(15, 23, 42, 0.08);
+        --overlay-caption-text: #1f2937;
         --card-border: rgba(15, 23, 42, 0.11);
         --timeline-surface: rgba(255, 255, 255, 0.84);
         --timeline-surface-soft: rgba(255, 255, 255, 0.94);
@@ -647,7 +649,7 @@ export const APP_STYLES = `      :root {
         justify-content: center;
         align-items: center;
         text-align: center;
-        color: var(--timeline-text-muted);
+        color: var(--overlay-caption-text);
       }
 
       .overlay-caption strong {
@@ -658,8 +660,8 @@ export const APP_STYLES = `      :root {
         font-weight: 500;
         letter-spacing: 0.01em;
         line-height: 1.35;
-        color: var(--timeline-text-muted);
-        opacity: 0.9;
+        color: var(--overlay-caption-text);
+        opacity: 0.95;
       }
 
       .overlay-card.loading img {