Fix(app): the Vesper theme's light mode (#9892)

packages/ui/src/theme/themes/vesper.json

@@ -18,8 +18,7 @@
       "background-base": "#FFF",
       "background-weak": "#F8F8F8",
       "background-strong": "#F0F0F0",
-      "background-stronger": "#E8E8E8",
-      "border-weak-base": "#E8E8E8",
+      "background-stronger": "#FBFBFB",
       "border-weak-hover": "#E0E0E0",
       "border-weak-active": "#D8D8D8",
       "border-weak-selected": "#D0D0D0",
@@ -41,14 +40,15 @@
       "surface-diff-delete-base": "#f5e8e8",
       "surface-diff-hidden-base": "#F0F0F0",
       "text-base": "#101010",
-      "text-weak": "#A0A0A0",
+      "text-invert-strong": "var(--smoke-dark-alpha-12)",
+      "text-weak": "#606060",
       "text-strong": "#000000",
-      "syntax-string": "#99FFE4",
-      "syntax-primitive": "#FF8080",
-      "syntax-property": "#FFC799",
-      "syntax-type": "#FFC799",
-      "syntax-constant": "#A0A0A0",
-      "syntax-info": "#A0A0A0",
+      "syntax-string": "#0D5C4F",
+      "syntax-primitive": "#B30000",
+      "syntax-property": "#C66C00",
+      "syntax-type": "#9C5C12",
+      "syntax-constant": "#404040",
+      "syntax-info": "#606060",
       "markdown-heading": "#FFC799",
       "markdown-text": "#101010",
       "markdown-link": "#FFC799",