Polish pass 4 — remove remaining hard-coded colors and inline styles

- Fix bg-white toggle thumbs in V4VSettings and V4VIndicator
- Replace hard-coded amber nudge colors with theme 'warning' token
- Remove redundant gridTemplateRows and move aspectRatio to Tailwind
- Replace MarkdownToolbar inline font styles with conditional classes

src/components/article/MarkdownToolbar.tsx

@@ -180,8 +180,7 @@ export function MarkdownToolbar({ textareaRef, content, setContent, setUploading
           key={action}
           onClick={() => handleClick(action)}
           title={title}
-          className="px-2 py-0.5 text-[11px] text-text-muted hover:text-text hover:bg-bg-hover transition-colors rounded-sm"
-          style={{ fontWeight: bold ? "bold" : undefined, fontStyle: italic ? "italic" : undefined }}
+          className={`px-2 py-0.5 text-[11px] text-text-muted hover:text-text hover:bg-bg-hover transition-colors rounded-sm ${bold ? "font-bold" : ""} ${italic ? "italic" : ""}`}
         >
           {label}
         </button>

src/components/feed/NoteContent.tsx

@@ -53,13 +53,12 @@ function ImageGrid({ images, onImageClick }: { images: string[]; onImageClick: (
 
   if (count === 3) {
     return (
-      <div className="mt-2 grid grid-cols-2 grid-rows-2 gap-1" style={{ gridTemplateRows: "1fr 1fr" }}>
+      <div className="mt-2 grid grid-cols-2 grid-rows-2 gap-1">
         <img
           src={visible[0]}
           alt="Posted image"
           loading="lazy"
-          className="w-full h-full rounded-sm object-cover bg-bg-raised border border-border cursor-zoom-in row-span-2"
-          style={{ aspectRatio: "3/4" }}
+          className="w-full h-full rounded-sm object-cover bg-bg-raised border border-border cursor-zoom-in row-span-2 aspect-[3/4]"
           onClick={(e) => { e.stopPropagation(); onImageClick(0); }}
           onError={(e) => { (e.target as HTMLImageElement).style.display = "none"; }}
         />

src/components/podcast/V4VIndicator.tsx

@@ -137,9 +137,8 @@ export function V4VIndicator() {
       {/* Brief nudge when V4V episode starts — once per episode per session */}
       {showNudge && (
         <div
-          className="absolute bottom-full right-0 mb-2 px-3 py-2 bg-amber-500/15 border border-amber-500/30 rounded-sm text-[10px] text-amber-300 whitespace-nowrap z-50 animate-fade-in"
+          className="absolute bottom-full right-0 mb-2 px-3 py-2 bg-warning/15 border border-warning/30 rounded-sm text-[10px] text-warning whitespace-nowrap z-50 animate-fade-in cursor-pointer"
           onClick={() => { setShowNudge(false); setOpen(true); }}
-          style={{ cursor: "pointer" }}
         >
           ⚡ This episode supports V4V — stream sats to the creators
         </div>
@@ -181,7 +180,7 @@ export function V4VIndicator() {
                   }`}
                 >
                   <span
-                    className={`absolute top-0.5 w-3 h-3 rounded-full bg-white transition-transform ${
+                    className={`absolute top-0.5 w-3 h-3 rounded-full bg-bg transition-transform ${
                       v4vStreaming ? "left-4" : "left-0.5"
                     }`}
                   />

src/components/v4v/V4VSettings.tsx

@@ -35,7 +35,7 @@ export function V4VSettings() {
             }`}
           >
             <span
-              className={`absolute top-0.5 w-4 h-4 rounded-full bg-white transition-transform ${
+              className={`absolute top-0.5 w-4 h-4 rounded-full bg-bg transition-transform ${
                 autoEnabled ? "left-4.5" : "left-0.5"
               }`}
             />