fix(web app): improve light theme feed contrast

web-app/src/components/owner-message/owner-message.sass

@@ -4,7 +4,7 @@
   padding: 8px 16px
   border: 1px solid transparent
   border-radius: 24px
-  background: linear-gradient(var(--color-accent), var(--color-accent)) padding-box, linear-gradient(to bottom, #84BDFF 0%, rgba(245, 245, 247, .1) 100%) border-box
+  background: linear-gradient(var(--color-accent), var(--color-accent)) padding-box, var(--gradient-owner-message-border) border-box
   color: var(--color-accent-contrast)
   overflow-wrap: anywhere
   white-space: pre-wrap

web-app/src/styles/_includes/themes.sass

@@ -57,6 +57,7 @@
   --gradient-vibe-b: linear-gradient(180deg, rgba(255, 246, 152, .18), rgba(28, 117, 219, .2))
   --gradient-query: linear-gradient(100deg, rgba(167, 179, 200, .4), rgba(28, 117, 219, .3), rgba(255, 117, 174, .22))
   --gradient-border: linear-gradient(to bottom, #666, var(--color-surface))
+  --gradient-owner-message-border: linear-gradient(to bottom, #84BDFF 0%, rgba(245, 245, 247, .1) 100%)
   --shortcut-shadow-contrast: drop-shadow(0 2px 0 #000)
 
 [data-theme='light']
@@ -102,7 +103,7 @@
   --color-danger-soft: rgba(216, 15, 15, .12)
   --color-danger-active: rgba(216, 15, 15, .22)
   --color-pink: #FF75AE
-  --color-yellow: #FFF698
+  --color-yellow: #9A6B00
   --color-purple: #AB73FF
   --color-overlay: rgba(0, 0, 0, .48)
   --color-overlay-soft: rgba(0, 0, 0, .1)
@@ -117,4 +118,5 @@
   --gradient-vibe-b: linear-gradient(180deg, rgba(255, 246, 152, .28), rgba(28, 117, 219, .14))
   --gradient-query: linear-gradient(100deg, rgba(28, 117, 219, .26), rgba(255, 117, 174, .16))
   --gradient-border: linear-gradient(to bottom, #BBB, var(--color-surface))
+  --gradient-owner-message-border: linear-gradient(to bottom, #0050a8 0%, rgba(21, 21, 21, .18) 100%)
   --shortcut-shadow-contrast: drop-shadow(0 2px 0 #BBB)