diff --git a/src/components/article/ArticleEditor.tsx b/src/components/article/ArticleEditor.tsx
index a7a66cb..e57b2cb 100644
--- a/src/components/article/ArticleEditor.tsx
+++ b/src/components/article/ArticleEditor.tsx
@@ -20,6 +20,16 @@ function extractImages(md: string): { alt: string; url: string }[] {
   return images;
 }
 
+function formatSavedAgo(elapsedMs: number): string {
+  const s = Math.floor(elapsedMs / 1000);
+  if (s < 5) return "just now";
+  if (s < 60) return `${s}s ago`;
+  const m = Math.floor(s / 60);
+  if (m < 60) return `${m}m ago`;
+  const h = Math.floor(m / 60);
+  return `${h}h ago`;
+}
+
 export function ArticleEditor() {
   const { goBack } = useUIStore();
   const { activeDraftId, drafts, updateDraft, deleteDraft, setActiveDraft, createDraft } = useDraftStore();
@@ -279,7 +289,7 @@ export function ArticleEditor() {
           <span className="text-text-dim text-[10px]">{wordCount > 0 ? `${wordCount} words` : "New article"}</span>
           {activeDraft && !published && lastSaved && (
             <span className="text-text-dim text-[10px]">
-              · saved {Math.floor((Date.now() - lastSaved) / 1000) < 5 ? "just now" : `${Math.floor((Date.now() - lastSaved) / 1000)}s ago`}
+              · saved {formatSavedAgo(Date.now() - lastSaved)}
             </span>
           )}
           {published && publishedRelays > 0 && (
@@ -396,6 +406,7 @@ export function ArticleEditor() {
             onChange={(e) => setTitle(e.target.value)}
             placeholder="Title"
             className="w-full bg-transparent text-text text-2xl font-bold placeholder:text-text-dim focus:outline-none"
+            style={{ fontFamily: "var(--font-reading)" }}
           />
         </div>
 
diff --git a/src/components/article/ArticleView.tsx b/src/components/article/ArticleView.tsx
index 75b49aa..eb28861 100644
--- a/src/components/article/ArticleView.tsx
+++ b/src/components/article/ArticleView.tsx
@@ -306,7 +306,7 @@ export function ArticleView() {
             value={commentText}
             onChange={(e) => { setCommentText(e.target.value); autoResize(e); }}
             onKeyDown={(e) => { if (e.key === "Enter" && !e.shiftKey) { e.preventDefault(); handleComment(); } }}
-            placeholder="Write a comment about this article..."
+            placeholder="Write a comment…"
             rows={3}
             className="w-full bg-bg-raised border border-border rounded-sm px-3 py-2 text-[12px] text-text placeholder:text-text-dim resize-none focus:outline-none focus:border-accent leading-relaxed"
             autoFocus
diff --git a/src/components/feed/ComposeBox.tsx b/src/components/feed/ComposeBox.tsx
index ad838b4..e280660 100644
--- a/src/components/feed/ComposeBox.tsx
+++ b/src/components/feed/ComposeBox.tsx
@@ -270,7 +270,7 @@ export function ComposeBox({ onPublished, onNoteInjected }: { onPublished?: () =
                   )}
                   <button
                     onClick={() => removeAttachment(i)}
-                    className="absolute -top-1.5 -right-1.5 w-4 h-4 bg-danger text-accent-text text-[10px] rounded-full flex items-center justify-center opacity-0 group-hover:opacity-100 transition-opacity"
+                    className="absolute -top-1.5 -right-1.5 w-4 h-4 bg-danger text-white text-[10px] rounded-full flex items-center justify-center opacity-0 group-hover:opacity-100 transition-opacity"
                     title="Remove"
                   >
                     x
@@ -328,15 +328,14 @@ export function ComposeBox({ onPublished, onNoteInjected }: { onPublished?: () =
               <button
                 onClick={() => setIsPoll((v) => !v)}
                 title={isPoll ? "Cancel poll" : "Create poll"}
-                className={`text-[14px] transition-colors ${isPoll ? "text-accent" : "text-text-dim hover:text-text"}`}
+                className={`text-[16px] transition-colors ${isPoll ? "text-accent" : "text-text-dim hover:text-text"}`}
               >
                 &#9634;&#9634;
               </button>
-              <span className="text-text-dim text-[10px]">Ctrl+Enter to post</span>
               <button
                 onClick={handlePublish}
                 disabled={!canPost}
-                className="px-3 py-1 text-[11px] bg-accent hover:bg-accent-hover text-accent-text transition-colors disabled:opacity-30 disabled:cursor-not-allowed"
+                className="px-3 py-1 text-[11px] bg-accent hover:bg-accent-hover text-accent-text rounded-sm transition-colors disabled:opacity-30 disabled:cursor-not-allowed"
               >
                 {publishing ? "posting…" : isPoll ? "post poll" : "post"}
               </button>
diff --git a/src/components/feed/NoteActions.tsx b/src/components/feed/NoteActions.tsx
index a8b0b7b..16d9d98 100644
--- a/src/components/feed/NoteActions.tsx
+++ b/src/components/feed/NoteActions.tsx
@@ -116,6 +116,7 @@ export function NoteActions({ event, onReplyToggle, showReply }: NoteActionsProp
               disabled={reacting}
               className="inline-flex items-center px-1.5 py-0.5 text-[12px] text-text-dim hover:text-accent border border-border hover:border-accent/40 rounded-sm transition-colors disabled:opacity-30"
               title="React with emoji"
+              aria-label="React with emoji"
             >
               +
             </button>
@@ -125,7 +126,7 @@ export function NoteActions({ event, onReplyToggle, showReply }: NoteActionsProp
           {showEmojiPicker && (
             <>
               <div className="fixed inset-0 z-[9]" role="presentation" onClick={() => setShowEmojiPicker(false)} />
-              <div className="absolute bottom-6 left-0 bg-bg-raised border border-border shadow-lg z-10 flex gap-0.5 px-1.5 py-1">
+              <div className="absolute bottom-6 left-0 bg-bg-raised border border-border rounded-sm shadow-lg z-10 flex gap-0.5 px-1.5 py-1">
                 {REACTION_EMOJIS.map((emoji) => (
                   <button
                     key={emoji}
@@ -244,7 +245,7 @@ export function LoggedOutStats({ event }: { event: NDKEvent }) {
     : [];
 
   return (
-    <div className="flex flex-wrap items-center gap-2 mt-1.5">
+    <div className="flex flex-wrap items-center gap-2 mt-2">
       {replyCount !== null && replyCount > 0 && (
         <span className="text-text-dim text-[11px]">↩ {replyCount}</span>
       )}
diff --git a/src/components/feed/NoteCard.tsx b/src/components/feed/NoteCard.tsx
index b8a5d8c..a4faf5d 100644
--- a/src/components/feed/NoteCard.tsx
+++ b/src/components/feed/NoteCard.tsx
@@ -121,18 +121,18 @@ export const NoteCard = memo(function NoteCard({ event, focused, onReplyInThread
                 {menuOpen && (
                   <>
                     <div className="fixed inset-0 z-[9]" role="presentation" onClick={() => setMenuOpen(false)} />
-                    <div role="menu" className="absolute right-0 top-5 bg-bg-raised border border-border shadow-lg z-10 w-32">
+                    <div role="menu" className="absolute right-0 top-5 bg-bg-raised border border-border rounded-sm shadow-lg z-10 w-32">
                       <button
                         onClick={() => { setMenuOpen(false); follows.includes(event.pubkey) ? unfollow(event.pubkey) : follow(event.pubkey); }}
                         className="w-full text-left px-3 py-2 text-[11px] text-text-muted hover:text-accent hover:bg-bg-hover transition-colors"
                       >
-                        {follows.includes(event.pubkey) ? `unfollow` : `follow`}
+                        {follows.includes(event.pubkey) ? "Unfollow" : "Follow"}
                       </button>
                       <button
                         onClick={() => { setMenuOpen(false); isMuted ? unmute(event.pubkey) : mute(event.pubkey); }}
                         className="w-full text-left px-3 py-2 text-[11px] text-text-muted hover:text-danger hover:bg-bg-hover transition-colors"
                       >
-                        {isMuted ? `unmute` : `mute`}
+                        {isMuted ? "Unmute" : "Mute"}
                       </button>
                     </div>
                   </>
diff --git a/src/components/media/MediaFeed.tsx b/src/components/media/MediaFeed.tsx
index 1c07a6f..3df1429 100644
--- a/src/components/media/MediaFeed.tsx
+++ b/src/components/media/MediaFeed.tsx
@@ -51,10 +51,10 @@ export function MediaFeed() {
             <button
               key={t}
               onClick={() => setTab(t)}
-              className={`px-3 py-1 text-[12px] transition-colors ${
+              className={`px-3 py-1 text-[12px] transition-colors border-b-2 ${
                 tab === t
-                  ? "text-text border-b-2 border-accent"
-                  : "text-text-muted hover:text-text"
+                  ? "text-text border-accent"
+                  : "text-text-muted hover:text-text border-transparent"
               }`}
             >
               {t.charAt(0).toUpperCase() + t.slice(1)}
diff --git a/src/components/onboarding/OnboardingFlow.tsx b/src/components/onboarding/OnboardingFlow.tsx
index f5902f5..4969b18 100644
--- a/src/components/onboarding/OnboardingFlow.tsx
+++ b/src/components/onboarding/OnboardingFlow.tsx
@@ -91,6 +91,7 @@ function CreateStep({ onNext }: { onNext: (signer: NDKPrivateKeySigner) => void
           <span className="text-text font-mono text-[11px] truncate flex-1 select-all">{signer.npub}</span>
           <button
             onClick={handleCopy}
+            aria-label="Copy public key"
             className="text-[10px] text-text-dim hover:text-accent transition-colors shrink-0"
           >
             {copied ? "copied ✓" : "copy"}
@@ -158,6 +159,7 @@ function BackupStep({ signer, onComplete }: { signer: NDKPrivateKeySigner; onCom
           </button>
           <button
             onClick={handleCopy}
+            aria-label="Copy secret key"
             className="text-[10px] text-text-dim hover:text-danger transition-colors shrink-0"
           >
             {copied ? "copied ✓" : "copy"}
@@ -229,10 +231,12 @@ function LoginStep({ onBack, onComplete }: { onBack: () => void; onComplete: ()
     <Shell>
       <Heading>Log in with your key.</Heading>
 
-      <div className="flex border border-border mb-4">
+      <div role="tablist" className="flex border border-border mb-4">
         {(["nsec", "npub", "bunker"] as const).map((m) => (
           <button
             key={m}
+            role="tab"
+            aria-selected={mode === m}
             onClick={() => { setMode(m); setValue(""); }}
             className={`flex-1 py-2 text-[11px] transition-colors ${
               mode === m ? "bg-accent/10 text-accent" : "text-text-dim hover:text-text"
diff --git a/src/components/poll/PollCompose.tsx b/src/components/poll/PollCompose.tsx
index 3fabb75..2231022 100644
--- a/src/components/poll/PollCompose.tsx
+++ b/src/components/poll/PollCompose.tsx
@@ -52,7 +52,7 @@ export function PollCompose({ options, onChange }: PollComposeProps) {
           onClick={addOption}
           className="text-accent hover:text-accent-hover text-[11px] transition-colors"
         >
-          ＋ Add option
+          + Add option
         </button>
       )}
     </div>
diff --git a/src/components/poll/PollWidget.tsx b/src/components/poll/PollWidget.tsx
index 3fe8950..2ceefed 100644
--- a/src/components/poll/PollWidget.tsx
+++ b/src/components/poll/PollWidget.tsx
@@ -63,7 +63,7 @@ export const PollWidget = memo(function PollWidget({ event }: { event: NDKEvent
             disabled={showResults}
             className={`
               relative w-full text-left px-3 py-2 rounded-sm overflow-hidden
-              transition-all duration-200
+              transition-colors duration-200
               ${showResults
                 ? isMyVote
                   ? "border border-accent/60"
diff --git a/src/components/profile/ProfileView.tsx b/src/components/profile/ProfileView.tsx
index b9163db..769cd3b 100644
--- a/src/components/profile/ProfileView.tsx
+++ b/src/components/profile/ProfileView.tsx
@@ -229,19 +229,17 @@ export function ProfileView() {
 
             {/* Avatar + info */}
             <div className="px-4 py-4 flex gap-4 items-start">
-              <div className="shrink-0" style={{ width: 64, height: 64 }}>
+              <div className="shrink-0 w-16 h-16">
                 {avatar ? (
                   <img
                     src={avatar}
                     alt={`${name}'s avatar`}
-                    style={{ width: 64, height: 64 }}
-                    className="rounded-sm object-cover bg-bg-raised"
+                    className="w-16 h-16 rounded-sm object-cover bg-bg-raised"
                     onError={(e) => { (e.target as HTMLImageElement).style.display = "none"; }}
                   />
                 ) : (
                   <div
-                    style={{ width: 64, height: 64 }}
-                    className="rounded-sm bg-bg-raised border border-border flex items-center justify-center text-text-dim text-lg"
+                    className="w-16 h-16 rounded-sm bg-bg-raised border border-border flex items-center justify-center text-text-dim text-lg"
                   >
                     {name.charAt(0).toUpperCase()}
                   </div>
diff --git a/src/components/search/SearchView.tsx b/src/components/search/SearchView.tsx
index 39881d5..dc69c44 100644
--- a/src/components/search/SearchView.tsx
+++ b/src/components/search/SearchView.tsx
@@ -117,7 +117,7 @@ function SuggestionFollowButton({ pubkey }: { pubkey: string }) {
           : "border-accent/60 text-accent hover:bg-accent hover:text-accent-text"
       }`}
     >
-      {pending ? "..." : isFollowing ? "unfollow" : "follow"}
+      {pending ? "…" : isFollowing ? "Unfollow" : "Follow"}
     </button>
   );
 }
@@ -410,7 +410,7 @@ export function SearchView() {
               <p className="text-text-dim text-[10px] mt-0.5">Based on who your follows follow</p>
             </div>
             {suggestionsLoading && (
-              <div className="px-4 py-6 text-text-dim text-[11px] text-center">Finding suggestions...</div>
+              <div className="px-4 py-6 text-text-dim text-[11px] text-center">Finding suggestions…</div>
             )}
             {visibleSuggestions.map((s) => s.profile && (
               <div key={s.pubkey} className="flex items-center gap-3 px-4 py-2.5 border-b border-border hover:bg-bg-hover transition-colors group/suggestion">
diff --git a/src/components/shared/RelaysView.tsx b/src/components/shared/RelaysView.tsx
index 5070f44..ab1dbfa 100644
--- a/src/components/shared/RelaysView.tsx
+++ b/src/components/shared/RelaysView.tsx
@@ -80,7 +80,7 @@ function RelayHealthCard({ result, poolConnected, onRemove }: { result: RelayHea
           >
             remove
           </button>
-          <span className="text-text-dim text-[10px]">{expanded ? "▾" : "▸"}</span>
+          <span className={`text-text-dim text-[10px] transition-transform ${expanded ? "rotate-90" : "rotate-0"}`}>▶</span>
         </div>
       </div>
 
diff --git a/src/components/shared/SettingsView.tsx b/src/components/shared/SettingsView.tsx
index 036a095..9924fc7 100644
--- a/src/components/shared/SettingsView.tsx
+++ b/src/components/shared/SettingsView.tsx
@@ -50,7 +50,7 @@ function MuteSection() {
         onClick={() => setExpanded(!expanded)}
         className="flex items-center gap-2 w-full text-left group"
       >
-        <span className="text-text-dim text-[10px] transition-transform" style={{ transform: expanded ? "rotate(90deg)" : "rotate(0deg)" }}>
+        <span className={`text-text-dim text-[10px] transition-transform ${expanded ? "rotate-90" : "rotate-0"}`}>
           ▶
         </span>
         <h2 className="text-text text-[11px] font-medium uppercase tracking-widest text-text-dim group-hover:text-text transition-colors">
@@ -280,7 +280,7 @@ function NotificationSection() {
               }`}
             >
               <span
-                className={`absolute top-0.5 left-0.5 w-4 h-4 rounded-full bg-white transition-transform ${
+                className={`absolute top-0.5 left-0.5 w-4 h-4 rounded-full bg-bg transition-transform ${
                   settings[key] ? "translate-x-4" : "translate-x-0"
                 }`}
               />
@@ -412,7 +412,7 @@ function ExperimentalSection() {
           }`}
         >
           <span
-            className={`absolute top-0.5 left-0.5 w-4 h-4 rounded-full bg-white transition-transform ${
+            className={`absolute top-0.5 left-0.5 w-4 h-4 rounded-full bg-bg transition-transform ${
               enabled ? "translate-x-4" : "translate-x-0"
             }`}
           />
diff --git a/src/components/sidebar/Sidebar.tsx b/src/components/sidebar/Sidebar.tsx
index d410a4c..c7b207a 100644
--- a/src/components/sidebar/Sidebar.tsx
+++ b/src/components/sidebar/Sidebar.tsx
@@ -46,6 +46,7 @@ export function Sidebar() {
           <button
             onClick={toggleSidebar}
             title="Expand sidebar"
+            aria-label="Expand sidebar"
             className="w-full flex items-center justify-center text-text-dim hover:text-accent transition-colors"
           >
             <span className="text-[13px]">›</span>
@@ -60,6 +61,7 @@ export function Sidebar() {
             <button
               onClick={toggleSidebar}
               title="Collapse sidebar"
+              aria-label="Collapse sidebar"
               className="text-text-dim hover:text-accent transition-colors px-1"
             >
               <span className="text-[13px]">‹</span>
@@ -89,7 +91,7 @@ export function Sidebar() {
             </span>
             {!c && <span>write article</span>}
             {!c && draftCount > 0 && (
-              <span className="ml-auto text-[10px] bg-accent/20 text-accent px-1 rounded-sm">{draftCount}</span>
+              <span className="ml-auto text-[10px] bg-accent/20 text-accent px-1.5 py-0.5 rounded-sm">{draftCount}</span>
             )}
           </button>
         )}
@@ -103,7 +105,7 @@ export function Sidebar() {
               title={c ? item.label : undefined}
               className={`w-full text-left px-3 py-1.5 flex items-center gap-2 text-[12px] transition-colors ${
                 currentView === item.id
-                  ? "text-accent bg-accent/8"
+                  ? "text-accent bg-accent/10"
                   : "text-text-muted hover:text-text hover:bg-bg-hover"
               }`}
             >
@@ -115,7 +117,7 @@ export function Sidebar() {
               </span>
               {!c && <span>{item.label}</span>}
               {!c && badge > 0 && (
-                <span className="ml-auto text-[10px] bg-accent/20 text-accent px-1 rounded-sm">{badge}</span>
+                <span className="ml-auto text-[10px] bg-accent/20 text-accent px-1.5 py-0.5 rounded-sm">{badge}</span>
               )}
             </button>
           );
diff --git a/src/components/thread/ThreadNode.tsx b/src/components/thread/ThreadNode.tsx
index 35291b5..2ba2a03 100644
--- a/src/components/thread/ThreadNode.tsx
+++ b/src/components/thread/ThreadNode.tsx
@@ -57,7 +57,7 @@ function InlineThreadReply({ replyTo, rootEvent, onPublished }: {
   };
 
   return (
-    <div className="border-l-2 border-accent/40 ml-3 pl-3 py-2">
+    <div className="border-l-2 border-accent/40 ml-4 pl-3 py-2">
       <div className="text-text-dim text-[10px] mb-1">replying to <span className="text-accent">@{name}</span></div>
       <textarea
         ref={ref}
@@ -95,13 +95,12 @@ function InlineThreadReply({ replyTo, rootEvent, onPublished }: {
             />
           )}
         </div>
-        <span className="text-text-dim text-[10px]">Ctrl+Enter</span>
         <button
           onClick={handleSubmit}
           disabled={!text.trim() || replying}
-          className="px-2 py-0.5 text-[10px] bg-accent hover:bg-accent-hover text-accent-text transition-colors disabled:opacity-30 disabled:cursor-not-allowed"
+          className="px-3 py-1 text-[11px] bg-accent hover:bg-accent-hover text-accent-text rounded-sm transition-colors disabled:opacity-30 disabled:cursor-not-allowed"
         >
-          {sent ? "replied ✓" : replying ? "posting..." : "reply"}
+          {sent ? "replied ✓" : replying ? "posting…" : "reply"}
         </button>
       </div>
     </div>