fix(label): add the $label-ios-text-color sass variables back

adds better descriptions for the sass variables in the other modes

resolves #11373

Author: brandyscarney

src/components/label/label.ios.scss

@@ -3,8 +3,14 @@
 // iOS Label
 // --------------------------------------------------
 
+/// @prop - Text color of the label by an input, select, or datetime
+$label-ios-text-color:                 unset !default;
+
+/// @prop - Text color of the stacked/floating label when it is focused
+$label-ios-text-color-focused:         unset !default;
+
 /// @prop - Margin of the label
-$label-ios-margin:             $item-ios-padding-top ($item-ios-padding-right / 2) $item-ios-padding-bottom 0 !default;
+$label-ios-margin:                     $item-ios-padding-top ($item-ios-padding-right / 2) $item-ios-padding-bottom 0 !default;
 
 
 // iOS Default Label
@@ -18,6 +24,16 @@ $label-ios-margin:             $item-ios-padding-top ($item-ios-padding-right /
 // iOS Default Label Inside An Input/Select Item
 // --------------------------------------------------
 
+.item-input .label-ios,
+.item-select .label-ios,
+.item-datetime .label-ios {
+  color: $label-ios-text-color;
+}
+
+
+// iOS Input By Label
+// --------------------------------------------------
+
 .label-ios + ion-input .text-input,
 .label-ios + ion-textarea .text-input,
 .label-ios + .input + .cloned-input {
@@ -59,6 +75,11 @@ $label-ios-margin:             $item-ios-padding-top ($item-ios-padding-right /
   margin-bottom: $item-ios-padding-media-bottom - 2;
 }
 
+.input-has-focus .label-ios[stacked],
+.input-has-focus .label-ios[floating] {
+  color: $label-ios-text-color-focused;
+}
+
 
 // Generate iOS Label colors
 // --------------------------------------------------

src/components/label/label.md.scss

@@ -3,10 +3,10 @@
 // Material Design Label
 // --------------------------------------------------
 
-/// @prop - Text color of the label
+/// @prop - Text color of the label by an input, select, or datetime
 $label-md-text-color:                 #999 !default;
 
-/// @prop - Text color of the label when it has focused
+/// @prop - Text color of the stacked/floating label when it is focused
 $label-md-text-color-focused:         color($colors-md, primary) !default;
 
 /// @prop - Margin of the label

src/components/label/label.wp.scss

@@ -3,10 +3,10 @@
 // Windows Label
 // --------------------------------------------------
 
-/// @prop - Text color of the label
+/// @prop - Text color of the label by an input, select, or datetime
 $label-wp-text-color:                 #999 !default;
 
-/// @prop - Text color of the label when it has focused
+/// @prop - Text color of the stacked/floating label when it is focused
 $label-wp-text-color-focused:         color($colors-wp, primary) !default;