V2 styling requests (#4288)

some of the requested changes warrant discussion so I haven't applied
all of them here. Making a draft PR for now, we can discuss the rest
later

# Description of Changes

See Matts todo list, the crossed out items are what were addressed in
this PR

---

## Checklist

### General

- [ ] I have read the [Contribution
Guidelines](https://github.com/Stirling-Tools/Stirling-PDF/blob/main/CONTRIBUTING.md)
- [ ] I have read the [Stirling-PDF Developer
Guide](https://github.com/Stirling-Tools/Stirling-PDF/blob/main/devGuide/DeveloperGuide.md)
(if applicable)
- [ ] I have read the [How to add new languages to
Stirling-PDF](https://github.com/Stirling-Tools/Stirling-PDF/blob/main/devGuide/HowToAddNewLanguage.md)
(if applicable)
- [ ] I have performed a self-review of my own code
- [ ] My changes generate no new warnings

### Documentation

- [ ] I have updated relevant docs on [Stirling-PDF's doc
repo](https://github.com/Stirling-Tools/Stirling-Tools.github.io/blob/main/docs/)
(if functionality has heavily changed)
- [ ] I have read the section [Add New Translation
Tags](https://github.com/Stirling-Tools/Stirling-PDF/blob/main/devGuide/HowToAddNewLanguage.md#add-new-translation-tags)
(for new translation tags only)

### UI Changes (if applicable)

- [ ] Screenshots or videos demonstrating the UI changes are attached
(e.g., as comments or direct attachments in the PR)

### Testing (if applicable)

- [ ] I have tested my changes locally. Refer to the [Testing
Guide](https://github.com/Stirling-Tools/Stirling-PDF/blob/main/devGuide/DeveloperGuide.md#6-testing)
for more details.

---------

Co-authored-by: James Brunton <[email protected]>

frontend/src/components/tools/toolPicker/ToolButton.tsx

@@ -12,8 +12,10 @@ interface ToolButtonProps {
   rounded?: boolean;
 }
 
-const ToolButton: React.FC<ToolButtonProps> = ({ id, tool, isSelected, onSelect, rounded = false }) => {
+const ToolButton: React.FC<ToolButtonProps> = ({ id, tool, isSelected, onSelect }) => {
+  const isUnavailable = !tool.component && !tool.link;
   const handleClick = (id: string) => {
+    if (isUnavailable) return;
     if (tool.link) {
       // Open external link in new tab
       window.open(tool.link, '_blank', 'noopener,noreferrer');
@@ -23,35 +25,30 @@ const ToolButton: React.FC<ToolButtonProps> = ({ id, tool, isSelected, onSelect,
     onSelect(id);
   };
 
+  const tooltipContent = isUnavailable
+    ? (<span><strong>Coming soon:</strong> {tool.description}</span>)
+    : tool.description;
+
   return (
-    <Tooltip content={tool.description} position="right" arrow={true} delay={500}>
+    <Tooltip content={tooltipContent} position="right" arrow={true} delay={500}>
       <Button
         variant={isSelected ? "filled" : "subtle"}
         onClick={()=> handleClick(id)}
-        size="md"
+        size="sm"
         radius="md"
-        leftSection={<div className="tool-button-icon" style={{ color: "var(--tools-text-and-icon-color)" }}>{tool.icon}</div>}
         fullWidth
         justify="flex-start"
         className="tool-button"
-        styles={{ 
-          root: { 
-            borderRadius: rounded ? 'var(--mantine-radius-lg)' : 0, 
-            color: "var(--tools-text-and-icon-color)",
-            ...(rounded && {
-              '&:hover': {
-                borderRadius: 'var(--mantine-radius-lg)',
-              }
-            })
-          } 
-        }}
+        aria-disabled={isUnavailable}
+        styles={{ root: { borderRadius: 0, color: "var(--tools-text-and-icon-color)", cursor: isUnavailable ? 'not-allowed' : undefined } }}
       >
+        <div className="tool-button-icon" style={{ color: "var(--tools-text-and-icon-color)", marginRight: "0.5rem", transform: "scale(0.8)", transformOrigin: "center", opacity: isUnavailable ? 0.25 : 1 }}>{tool.icon}</div>
         <FitText
           text={tool.name}
           lines={1}
           minimumFontScale={0.8}
           as="span"
-          style={{ display: 'inline-block', maxWidth: '100%' }}
+          style={{ display: 'inline-block', maxWidth: '100%', opacity: isUnavailable ? 0.25 : 1 }}
         />
       </Button>
     </Tooltip>