fix: adjust text input color

Author: fsher

src/index.css

@@ -31,7 +31,7 @@
     --blink-text-button-success: #00a095;
     --blink-text-error: #f71a05;
     --blink-text-error-hover: #ff402e;
-    --blink-text-input: #737373;
+    --blink-text-input: #232324;
     --blink-text-input-disabled: #b3b3b3;
     --blink-text-input-placeholder: #737373;
     --blink-text-link: #737373;