Dim bright white backgrounds for easier viewing

- Change input fields to soft gray (#f5f5f5)
- Dim window body background to #f0f0f0
- Soften transcript backgrounds
- Maintains XP aesthetic while reducing eye strain

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

static/style.css

@@ -39,6 +39,22 @@ body {
   margin: 0;
 }
 
+/* Dim white backgrounds for easier viewing */
+input[type="text"],
+textarea,
+select {
+  background: #f5f5f5 !important;
+}
+
+.window-body {
+  background: #f0f0f0;
+}
+
+.transcript,
+.full-transcript {
+  background: #f5f5f5 !important;
+}
+
 /* Channel dropdown custom styling */
 .channel-dropdown {
   position: relative;