Add product branding overrides

Author: adamwoodnz

client/assets/stylesheets/_wp-base-styles-overrides.scss

@@ -0,0 +1,6 @@
+.blaze-pro,
+.is-blaze-pro {
+	.form-text-input-core-styles:focus {
+		--wp-admin-theme-color: var(--color-gray);
+	}
+}

client/assets/stylesheets/style.scss

@@ -19,3 +19,6 @@
 
 // Overrides for @wordpress/components
 @import "./wp-components-overrides";
+
+// Overrides for @wordpress/base styles
+@import "./wp-base-styles-overrides";

client/layout/masterbar/blaze-pro.scss

@@ -454,19 +454,6 @@ body.is-section-signup {
 			line-height: 16px;
 			text-transform: uppercase;
 		}
-
-		.form-text-input {
-			border: 1px solid #dddddf;
-
-			&:focus,
-			&:focus-visible,
-			&:focus-within,
-			&:hover {
-				border: 1px solid var(--color-gray);
-				box-shadow: inset 0 0 0 1px var(--color-gray);
-				outline: none !important;
-			}
-		}
 	}
 
 	// "Continue with a backup code" button