style(theme): update light mode color palette for softer tones and improved readability

src/styles/devcm-editor.scss

@@ -70,7 +70,7 @@ html[data-color-scheme="light"] .devcm-category-card,
 html[data-color-scheme="light"] .devcm-archive-table,
 html[data-color-scheme="light"] .devcm-comments {
   border-color: rgba(181, 137, 0, 0.28);
-  background: rgba(253, 246, 227, 0.9);
+  background: rgba(255, 250, 235, 0.78);
 }
 
 html[data-color-scheme="light"] .devcm-terminal-window::before,
@@ -110,7 +110,7 @@ html[data-color-scheme="light"] .devcm-window-titlebar,
 html[data-color-scheme="light"] .devcm-editor-tabs,
 html[data-color-scheme="light"] .devcm-comment-titlebar {
   border-bottom-color: rgba(101, 123, 131, 0.18);
-  background: rgba(238, 232, 213, 0.78);
+  background: rgba(244, 238, 220, 0.42);
 }
 
 .devcm-window-titlebar {
@@ -335,7 +335,7 @@ html[data-color-scheme="light"] .devcm-article-title {
 
 html[data-color-scheme="light"] .devcm-ascii-badge {
   border-color: rgba(181, 137, 0, 0.42);
-  background: rgba(238, 232, 213, 0.72);
+  background: rgba(244, 238, 220, 0.42);
   box-shadow: none;
   color: var(--devcm-amber);
 }
@@ -507,7 +507,7 @@ html[data-color-scheme="light"] .devcm-ascii-badge pre {
 }
 
 html[data-color-scheme="light"] .devcm-post-card {
-  background: rgba(253, 246, 227, 0.86);
+  background: rgba(255, 250, 235, 0.7);
 }
 
 html[data-color-scheme="light"] .devcm-post-card:hover {
@@ -672,7 +672,7 @@ html[data-color-scheme="light"] .devcm-article-content li {
 
 html[data-color-scheme="light"] .devcm-article-content pre {
   border-color: rgba(101, 123, 131, 0.24);
-  background: rgba(238, 232, 213, 0.55);
+  background: rgba(244, 238, 220, 0.34);
   color: #586e75;
 }
 
@@ -700,7 +700,7 @@ html[data-color-scheme="light"] .devcm-article-content code {
 }
 
 html[data-color-scheme="light"] .devcm-comments {
-  background: rgba(253, 246, 227, 0.9);
+  background: rgba(255, 250, 235, 0.78);
 }
 
 .devcm-comments h2 {
@@ -779,7 +779,7 @@ html[data-color-scheme="light"] .devcm-comments {
 }
 
 html[data-color-scheme="light"] .devcm-category-card {
-  background: rgba(253, 246, 227, 0.86);
+  background: rgba(255, 250, 235, 0.7);
   color: var(--devcm-text);
 }
 
@@ -849,7 +849,7 @@ html[data-color-scheme="light"] .devcm-archive-row {
 }
 
 html[data-color-scheme="light"] .devcm-archive-row--header {
-  background: rgba(238, 232, 213, 0.64);
+  background: rgba(244, 238, 220, 0.38);
   color: var(--devcm-muted);
 }
 
@@ -861,7 +861,7 @@ html[data-color-scheme="light"] .devcm-archive-row--header {
 }
 
 html[data-color-scheme="light"] .devcm-archive-row--month {
-  background: rgba(238, 232, 213, 0.78);
+  background: rgba(244, 238, 220, 0.46);
 }
 
 .devcm-archive-row b {
@@ -946,7 +946,7 @@ html[data-color-scheme="light"] .devcm-archive-row--month {
 
 html[data-color-scheme="light"] .devcm-link-card {
   border-color: rgba(101, 123, 131, 0.2);
-  background: rgba(238, 232, 213, 0.42);
+  background: rgba(244, 238, 220, 0.3);
   color: var(--devcm-text);
 }