fix(substack): color-scheme and comment scrollbars (catppuccin#408)

Author: nekowinston

styles/substack/catppuccin.user.css

@@ -50,6 +50,7 @@
 
     :root,
     .dark-mode {
+      color-scheme: if(@lookup=latte, light, dark);
       --color-primary: @text;
       --color-secondary: @subtext0;
       --color-bg-primary: @base;
@@ -142,6 +143,20 @@
     .button.user-indicator {
       background: var(--color-bg-secondary-themed) !important;
     }
+
+    // comment boxes
+    .comment-input-wrap form.comment-input .comment-input-right textarea {
+      overflow-y: auto !important;
+    }
+    
+    ::-webkit-scrollbar {
+      background: @mantle;
+      width: 0.25rem;
+    }
+    ::-webkit-scrollbar-thumb {
+      background: @accent;
+      border-radius: 9999px;
+    }
   }
 
   @media (prefers-color-scheme: dark) {