diff --git a/frontend/src/components/BatchAddDialog.jsx b/frontend/src/components/BatchAddDialog.jsx
index 78b843d9..2bab2904 100644
--- a/frontend/src/components/BatchAddDialog.jsx
+++ b/frontend/src/components/BatchAddDialog.jsx
@@ -91,7 +91,7 @@ export default function BatchAddDialog({
           className={`flex cursor-pointer flex-col items-center justify-center gap-[6px] rounded-[10px] border-2 border-dashed px-4 py-7 text-[0.82rem] transition-all hover:border-[var(--chrome-accent)] hover:bg-white/[0.02] hover:text-[var(--chrome-fg)] ${
             dragOver
               ? 'border-[var(--chrome-accent)] bg-white/[0.02] text-[var(--chrome-fg)]'
-              : 'border-[var(--chrome-border)] text-[var(--chrome-fg-muted)]'
+              : 'border-transparent text-[var(--chrome-fg-muted)]'
           }`}
           onDragOver={(e) => {
             e.preventDefault();
diff --git a/frontend/src/components/CompareModal.jsx b/frontend/src/components/CompareModal.jsx
index be6c1976..fe47b120 100644
--- a/frontend/src/components/CompareModal.jsx
+++ b/frontend/src/components/CompareModal.jsx
@@ -128,7 +128,7 @@ export default function CompareModal({
           </span>
           <button
             type="button"
-            className="ml-auto inline-flex h-[var(--chrome-icon-btn,22px)] w-[var(--chrome-icon-btn,22px)] cursor-pointer items-center justify-center rounded-[var(--chrome-radius-pill)] bg-transparent text-[var(--chrome-fg-muted)] [border:1px_solid_transparent] transition-[background,color,border-color] duration-[var(--dur-fast)] hover:border-[var(--chrome-border-strong)] hover:bg-[var(--chrome-hover-bg)] hover:text-[var(--chrome-fg)]"
+            className="ml-auto inline-flex h-[var(--chrome-icon-btn,22px)] w-[var(--chrome-icon-btn,22px)] cursor-pointer items-center justify-center rounded-[var(--chrome-radius-pill)] bg-transparent text-[var(--chrome-fg-muted)] [border:1px_solid_transparent] transition-[background,color,border-color] duration-[var(--dur-fast)] hover:border-transparent hover:bg-[var(--chrome-hover-bg)] hover:text-[var(--chrome-fg)]"
             onClick={onClose}
             aria-label={t('compare.close')}
           >
diff --git a/frontend/src/components/ErrorBoundary.jsx b/frontend/src/components/ErrorBoundary.jsx
index 4b1a660f..5b59e0da 100644
--- a/frontend/src/components/ErrorBoundary.jsx
+++ b/frontend/src/components/ErrorBoundary.jsx
@@ -76,7 +76,7 @@ export default class ErrorBoundary extends React.Component {
           <p className="m-0 mb-3 text-[0.82rem] leading-[1.5] text-[var(--chrome-fg-muted)]">
             {i18next.t('errors.desc')}
           </p>
-          <pre className="m-0 mb-3.5 max-h-[140px] overflow-auto rounded-[var(--chrome-radius-pill)] border border-[var(--chrome-border)] bg-[var(--chrome-hover-bg)] px-2.5 py-2 text-left font-mono text-[0.72rem] text-[var(--chrome-severity-err)]">
+          <pre className="m-0 mb-3.5 max-h-[140px] overflow-auto rounded-[var(--chrome-radius-pill)] border border-transparent bg-[var(--chrome-hover-bg)] px-2.5 py-2 text-left font-mono text-[0.72rem] text-[var(--chrome-severity-err)]">
             {msg}
           </pre>
           <div className="flex flex-wrap justify-center gap-2">
diff --git a/frontend/src/components/ExportModal.jsx b/frontend/src/components/ExportModal.jsx
index 0ac94df5..38e68de3 100644
--- a/frontend/src/components/ExportModal.jsx
+++ b/frontend/src/components/ExportModal.jsx
@@ -26,8 +26,8 @@ const trackCls = (on, kind) => {
   if (on && kind === 'dub')
     return `${TRACK_BASE} border-[var(--chrome-accent-border)] bg-[var(--chrome-accent-bg)] text-[var(--chrome-accent)]`;
   if (on)
-    return `${TRACK_BASE} border-[var(--chrome-border-strong)] bg-[var(--chrome-hover-bg)] text-[var(--chrome-fg)]`;
-  return `${TRACK_BASE} border-[var(--chrome-border)] text-[var(--chrome-fg-muted)]`;
+    return `${TRACK_BASE} border-transparent bg-[var(--chrome-hover-bg)] text-[var(--chrome-fg)]`;
+  return `${TRACK_BASE} border-transparent text-[var(--chrome-fg-muted)]`;
 };
 const TAB_BASE =
   'inline-flex items-center gap-[6px] px-[12px] py-[6px] bg-transparent border-0 border-b-2 cursor-pointer text-[length:var(--text-sm)] transition-[color,border-color] duration-[var(--dur-fast)]';
@@ -288,7 +288,7 @@ export default function ExportModal({
       aria-label={t('exportModal.export_options')}
     >
       <div
-        className="pointer-events-auto flex w-[min(880px,calc(100vw-24px))] max-h-[min(70vh,560px)] flex-col overflow-hidden rounded-t-lg border border-b-0 border-[var(--chrome-border-strong)] bg-[var(--chrome-bg)] shadow-[0_-8px_24px_rgba(0,0,0,0.45),0_-1px_0_var(--chrome-border)_inset] animate-in fade-in slide-in-from-bottom-full duration-200"
+        className="pointer-events-auto flex w-[min(880px,calc(100vw-24px))] max-h-[min(70vh,560px)] flex-col overflow-hidden rounded-t-lg border border-b-0 border-transparent bg-[var(--chrome-bg)] shadow-[0_-8px_24px_rgba(0,0,0,0.45),0_-1px_0_var(--chrome-border)_inset] animate-in fade-in slide-in-from-bottom-full duration-200"
         ref={drawerRef}
       >
         <header className="relative flex items-center gap-[var(--space-3)] p-[6px_var(--space-4)_10px] [border-bottom:1px_solid_var(--chrome-border)] [background:linear-gradient(180deg,rgba(255,255,255,0.02),transparent)]">
@@ -306,7 +306,7 @@ export default function ExportModal({
           </span>
           <button
             type="button"
-            className="ml-auto inline-flex h-[var(--chrome-icon-btn,22px)] w-[var(--chrome-icon-btn,22px)] cursor-pointer items-center justify-center rounded-[var(--chrome-radius-pill)] bg-transparent text-[var(--chrome-fg-muted)] [border:1px_solid_transparent] transition-[background,color,border-color] duration-[var(--dur-fast)] hover:border-[var(--chrome-border-strong)] hover:bg-[var(--chrome-hover-bg)] hover:text-[var(--chrome-fg)]"
+            className="ml-auto inline-flex h-[var(--chrome-icon-btn,22px)] w-[var(--chrome-icon-btn,22px)] cursor-pointer items-center justify-center rounded-[var(--chrome-radius-pill)] bg-transparent text-[var(--chrome-fg-muted)] [border:1px_solid_transparent] transition-[background,color,border-color] duration-[var(--dur-fast)] hover:border-transparent hover:bg-[var(--chrome-hover-bg)] hover:text-[var(--chrome-fg)]"
             onClick={onClose}
             aria-label={t('exportModal.close_drawer')}
           >
@@ -323,7 +323,7 @@ export default function ExportModal({
               <button
                 key={k}
                 type="button"
-                className="inline-flex cursor-pointer items-center gap-[4px] rounded-[var(--chrome-radius-pill)] bg-transparent px-[8px] py-[3px] font-sans text-[length:var(--text-xs)] text-[var(--chrome-fg-muted)] [border:1px_solid_var(--chrome-border)] transition-[background,color,border-color] duration-[var(--dur-fast)] hover:border-[var(--chrome-border-strong)] hover:bg-[var(--chrome-hover-bg)] hover:text-[var(--chrome-fg)]"
+                className="inline-flex cursor-pointer items-center gap-[4px] rounded-[var(--chrome-radius-pill)] bg-transparent px-[8px] py-[3px] font-sans text-[length:var(--text-xs)] text-[var(--chrome-fg-muted)] [border:1px_solid_var(--chrome-border)] transition-[background,color,border-color] duration-[var(--dur-fast)] hover:border-transparent hover:bg-[var(--chrome-hover-bg)] hover:text-[var(--chrome-fg)]"
                 onClick={() => applyPreset(k)}
                 title={t('exportModal.preset_title', { tab: v.tab, label: t(v.labelKey) })}
               >
diff --git a/frontend/src/components/GlossaryPanel.jsx b/frontend/src/components/GlossaryPanel.jsx
index 2f68c453..03749293 100644
--- a/frontend/src/components/GlossaryPanel.jsx
+++ b/frontend/src/components/GlossaryPanel.jsx
@@ -189,7 +189,7 @@ export default function GlossaryPanel({
           </div>
         ) : (
           <>
-            <table className="w-full border-collapse text-[length:var(--text-sm)] [&_td]:border-b [&_td]:border-b-transparent [&_td]:px-[6px] [&_td]:py-[3px] [&_td]:text-left [&_td]:align-middle [&_th]:border-b [&_th]:border-b-[var(--color-border)] [&_th]:px-[6px] [&_th]:py-[3px] [&_th]:text-left [&_th]:align-middle [&_th]:text-[length:var(--text-xs)] [&_th]:font-semibold [&_th]:uppercase [&_th]:tracking-[0.04em] [&_th]:text-[var(--color-fg-subtle)]">
+            <table className="w-full border-collapse text-[length:var(--text-sm)] [&_td]:border-b [&_td]:border-b-transparent [&_td]:px-[6px] [&_td]:py-[3px] [&_td]:text-left [&_td]:align-middle [&_th]:border-b [&_th]:border-b-transparent [&_th]:px-[6px] [&_th]:py-[3px] [&_th]:text-left [&_th]:align-middle [&_th]:text-[length:var(--text-xs)] [&_th]:font-semibold [&_th]:uppercase [&_th]:tracking-[0.04em] [&_th]:text-[var(--color-fg-subtle)]">
               <thead>
                 <tr>
                   <th>{t('glossary.source')}</th>
@@ -228,7 +228,7 @@ export default function GlossaryPanel({
                     onDelete={() => onDelete(term.id)}
                   />
                 ))}
-                <tr className="border-t border-dashed border-[var(--color-border)] [&>td]:py-[4px]">
+                <tr className="border-t border-dashed border-transparent [&>td]:py-[4px]">
                   <td>
                     <Input
                       size="sm"
diff --git a/frontend/src/components/KeyboardCheatsheet.jsx b/frontend/src/components/KeyboardCheatsheet.jsx
index 616262aa..d1af3ce0 100644
--- a/frontend/src/components/KeyboardCheatsheet.jsx
+++ b/frontend/src/components/KeyboardCheatsheet.jsx
@@ -5,7 +5,7 @@ import { Dialog } from '../ui';
 
 function Kbd({ children }) {
   return (
-    <span className="inline-flex h-[22px] min-w-[28px] items-center justify-center gap-[2px] rounded-[var(--chrome-radius-pill)] border border-[var(--chrome-border-strong)] bg-[var(--chrome-hover-bg)] px-2 py-[2px] font-mono text-[0.7rem] font-medium text-[var(--chrome-fg)]">
+    <span className="inline-flex h-[22px] min-w-[28px] items-center justify-center gap-[2px] rounded-[var(--chrome-radius-pill)] border border-transparent bg-[var(--chrome-hover-bg)] px-2 py-[2px] font-mono text-[0.7rem] font-medium text-[var(--chrome-fg)]">
       {children}
     </span>
   );
@@ -78,7 +78,7 @@ export default function KeyboardCheatsheet({ open, onClose }) {
       <div className="grid grid-cols-[repeat(auto-fit,minmax(260px,1fr))] gap-[18px]">
         {SECTIONS.map((sec) => (
           <div key={sec.title}>
-            <div className="mb-[10px] border-b border-[var(--chrome-border)] pb-[6px] font-mono text-[length:var(--chrome-label-size)] font-semibold uppercase tracking-[var(--chrome-label-track)] text-[var(--chrome-fg-muted)]">
+            <div className="mb-[10px] border-b border-transparent pb-[6px] font-mono text-[length:var(--chrome-label-size)] font-semibold uppercase tracking-[var(--chrome-label-track)] text-[var(--chrome-fg-muted)]">
               {sec.title}
             </div>
             <div className="flex flex-col gap-[6px]">
diff --git a/frontend/src/components/MultiLangPicker.jsx b/frontend/src/components/MultiLangPicker.jsx
index 38952f95..36458c2f 100644
--- a/frontend/src/components/MultiLangPicker.jsx
+++ b/frontend/src/components/MultiLangPicker.jsx
@@ -76,7 +76,7 @@ export default function MultiLangPicker({
         {selected.map((s) => (
           <span
             key={s.code}
-            className="inline-flex items-center gap-[4px] px-[8px] py-[2px] bg-[var(--chrome-hover-bg)] border border-solid border-[var(--chrome-border)] rounded-full [font-family:var(--font-mono)] text-[0.68rem] font-medium text-[color:var(--chrome-fg)] uppercase"
+            className="inline-flex items-center gap-[4px] px-[8px] py-[2px] bg-[var(--chrome-hover-bg)] border border-solid border-transparent rounded-full [font-family:var(--font-mono)] text-[0.68rem] font-medium text-[color:var(--chrome-fg)] uppercase"
           >
             <Globe size={9} />
             <span>{s.code}</span>
@@ -95,7 +95,7 @@ export default function MultiLangPicker({
         {!disabled && (
           <button
             type="button"
-            className="flex items-center justify-center w-[24px] h-[24px] rounded-full border border-dashed border-[var(--chrome-border)] bg-transparent text-[color:var(--chrome-fg-muted)] cursor-pointer [transition:all_0.15s] hover:bg-[var(--chrome-hover-bg)] hover:text-[color:var(--chrome-fg)] hover:border-solid"
+            className="flex items-center justify-center w-[24px] h-[24px] rounded-full border border-dashed border-transparent bg-transparent text-[color:var(--chrome-fg-muted)] cursor-pointer [transition:all_0.15s] hover:bg-[var(--chrome-hover-bg)] hover:text-[color:var(--chrome-fg)] hover:border-solid"
             onClick={() => setDropOpen(!dropOpen)}
             title={t('dub.add_language')}
           >
@@ -112,7 +112,7 @@ export default function MultiLangPicker({
 
       {dropOpen && (
         <div className="multi-lang__drop">
-          <div className="flex items-center gap-[6px] px-[10px] py-[8px] border-b border-solid border-b-[var(--chrome-border)] text-[color:var(--chrome-fg-muted)]">
+          <div className="flex items-center gap-[6px] px-[10px] py-[8px] border-b border-solid border-b-transparent text-[color:var(--chrome-fg-muted)]">
             <Search size={10} />
             <input
               ref={inputRef}
diff --git a/frontend/src/components/VoicePreview.jsx b/frontend/src/components/VoicePreview.jsx
index 566c82a8..aa30e06d 100644
--- a/frontend/src/components/VoicePreview.jsx
+++ b/frontend/src/components/VoicePreview.jsx
@@ -97,8 +97,8 @@ export default function VoicePreview({
   if (!open) return null;
 
   return (
-    <div className="fixed bottom-[calc(var(--logs-footer-height,28px)+16px)] right-[16px] z-[900] w-[320px] bg-[var(--chrome-bg)] border border-solid border-[var(--chrome-border-strong)] rounded-[12px] [box-shadow:0_8px_32px_rgba(0,0,0,0.4)] flex flex-col overflow-hidden animate-[voice-preview-in_0.2s_ease-out]">
-      <div className="flex items-center justify-between py-[10px] px-[14px] border-b border-solid border-b-[var(--chrome-border)]">
+    <div className="fixed bottom-[calc(var(--logs-footer-height,28px)+16px)] right-[16px] z-[900] w-[320px] bg-[var(--chrome-bg)] border border-solid border-transparent rounded-[12px] [box-shadow:0_8px_32px_rgba(0,0,0,0.4)] flex flex-col overflow-hidden animate-[voice-preview-in_0.2s_ease-out]">
+      <div className="flex items-center justify-between py-[10px] px-[14px] border-b border-solid border-b-transparent">
         <span className="flex items-center gap-[6px] [font-family:var(--font-mono)] text-[0.72rem] font-semibold uppercase [letter-spacing:0.04em] text-[color:var(--chrome-fg)]">
           <Volume2 size={13} /> {t('voicePreview.title')}
         </span>
@@ -171,7 +171,7 @@ export default function VoicePreview({
         )}
       </div>
 
-      <div className="flex items-center justify-between pt-[8px] px-[14px] pb-[10px] border-t border-solid border-t-[var(--chrome-border)]">
+      <div className="flex items-center justify-between pt-[8px] px-[14px] pb-[10px] border-t border-solid border-t-transparent">
         {loading ? (
           <Button variant="ghost" size="sm" onClick={handleStop} leading={<Square size={10} />}>
             {t('voicePreview.stop')}
diff --git a/frontend/src/components/WorkspaceVoices.jsx b/frontend/src/components/WorkspaceVoices.jsx
index bfc0b150..c365631c 100644
--- a/frontend/src/components/WorkspaceVoices.jsx
+++ b/frontend/src/components/WorkspaceVoices.jsx
@@ -114,7 +114,7 @@ export default function WorkspaceVoices({
             </div>
           </div>
         ) : (
-          <div className="text-[0.7rem] [line-height:1.5] text-[color:var(--chrome-fg-muted)] py-[8px] px-[10px] border border-dashed border-[var(--chrome-border)] rounded-[10px]">
+          <div className="text-[0.7rem] [line-height:1.5] text-[color:var(--chrome-fg-muted)] py-[8px] px-[10px] border border-dashed border-transparent rounded-[10px]">
             {t('voices.none_selected', {
               defaultValue: 'No voice selected — describe one, drop audio, or pick below.',
             })}
@@ -144,7 +144,7 @@ export default function WorkspaceVoices({
             {/* Empty states carry verbs (10x §2). */}
             <button
               type="button"
-              className="block mt-[8px] mx-auto py-[4px] px-[10px] text-[0.66rem] text-[color:var(--chrome-fg-muted)] bg-transparent border border-dashed border-[var(--chrome-border)] rounded-[var(--chrome-radius-pill,999px)] cursor-default"
+              className="block mt-[8px] mx-auto py-[4px] px-[10px] text-[0.66rem] text-[color:var(--chrome-fg-muted)] bg-transparent border border-dashed border-transparent rounded-[var(--chrome-radius-pill,999px)] cursor-default"
               onClick={() => setDefineMethod(defineMethod === 'audio' ? 'audio' : 'design')}
             >
               {defineMethod === 'audio'
diff --git a/frontend/src/components/clone/ActionBar.jsx b/frontend/src/components/clone/ActionBar.jsx
index 739d11f1..ed8a41f3 100644
--- a/frontend/src/components/clone/ActionBar.jsx
+++ b/frontend/src/components/clone/ActionBar.jsx
@@ -216,7 +216,7 @@ export default function ActionBar({
         </label>
         <button
           type="button"
-          className="inline-flex items-center gap-[4px] px-[10px] py-[4px] text-[0.7rem] text-[var(--chrome-fg-muted)] bg-transparent border border-[var(--chrome-border)] rounded-[var(--chrome-radius-pill)] cursor-pointer whitespace-nowrap flex-none transition-[color,border-color] duration-[var(--dur-fast)] hover:text-[var(--chrome-fg)] hover:border-[var(--chrome-border-strong)] focus-visible:[outline:2px_solid_var(--chrome-accent)] focus-visible:[outline-offset:1px]"
+          className="inline-flex items-center gap-[4px] px-[10px] py-[4px] text-[0.7rem] text-[var(--chrome-fg-muted)] bg-transparent border border-transparent rounded-[var(--chrome-radius-pill)] cursor-pointer whitespace-nowrap flex-none transition-[color,border-color] duration-[var(--dur-fast)] hover:text-[var(--chrome-fg)] hover:border-transparent focus-visible:[outline:2px_solid_var(--chrome-accent)] focus-visible:[outline-offset:1px]"
           onClick={() => setShowOverrides(!showOverrides)}
           aria-expanded={showOverrides}
         >
diff --git a/frontend/src/components/clone/DesignMethodPanel.jsx b/frontend/src/components/clone/DesignMethodPanel.jsx
index 99602500..57c37ba8 100644
--- a/frontend/src/components/clone/DesignMethodPanel.jsx
+++ b/frontend/src/components/clone/DesignMethodPanel.jsx
@@ -21,12 +21,12 @@ const CHIP_FOCUS =
   'focus-visible:[outline:2px_solid_var(--chrome-accent)] focus-visible:[outline-offset:1px]';
 const PCHIP_BASE = `inline-flex items-center gap-[5px] px-[12px] py-[5px] font-[var(--font-sans)] text-[0.72rem] font-medium rounded-[var(--chrome-radius-pill)] border bg-transparent flex-none cursor-pointer transition-colors duration-[120ms] ${CHIP_FOCUS}`;
 const PCHIP_INACTIVE =
-  'border-[var(--chrome-border)] text-[var(--chrome-fg-muted)] hover:bg-[var(--chrome-hover-bg)] hover:border-[var(--chrome-border-strong)] hover:text-[var(--chrome-fg)]';
+  'border-transparent text-[var(--chrome-fg-muted)] hover:bg-[var(--chrome-hover-bg)] hover:border-transparent hover:text-[var(--chrome-fg)]';
 const PCHIP_ACTIVE =
   'bg-[var(--chrome-accent-bg)] border-[var(--chrome-accent-border)] text-[var(--chrome-accent)]';
 const CHIP_BASE = `font-[var(--font-sans)] font-medium text-[0.68rem] px-[10px] py-[3px] rounded-[var(--chrome-radius-pill)] border bg-transparent whitespace-nowrap cursor-pointer transition-colors duration-[120ms] ${CHIP_FOCUS}`;
 const CHIP_INACTIVE =
-  'border-[var(--chrome-border)] text-[var(--chrome-fg-muted)] hover:text-[var(--chrome-fg)] hover:bg-[var(--chrome-hover-bg)] hover:border-[var(--chrome-border-strong)]';
+  'border-transparent text-[var(--chrome-fg-muted)] hover:text-[var(--chrome-fg)] hover:bg-[var(--chrome-hover-bg)] hover:border-transparent';
 const CHIP_ACTIVE =
   'bg-[var(--chrome-accent-bg)] border-[var(--chrome-accent-border)] text-[var(--chrome-accent)]';
 
@@ -130,7 +130,7 @@ export default function DesignMethodPanel({
                 (first run) starts expanded. */}
       <button
         type="button"
-        className="flex items-center gap-[8px] w-full mt-[4px] mb-[8px] px-[10px] py-[6px] bg-[var(--chrome-hover-bg)] border border-[var(--chrome-border)] rounded-[8px] cursor-pointer text-left transition-[border-color] duration-[var(--dur-fast)] hover:border-[var(--chrome-border-strong)] focus-visible:[outline:2px_solid_var(--chrome-accent)] focus-visible:[outline-offset:1px]"
+        className="flex items-center gap-[8px] w-full mt-[4px] mb-[8px] px-[10px] py-[6px] bg-[var(--chrome-hover-bg)] border border-transparent rounded-[8px] cursor-pointer text-left transition-[border-color] duration-[var(--dur-fast)] hover:border-transparent focus-visible:[outline:2px_solid_var(--chrome-accent)] focus-visible:[outline-offset:1px]"
         onClick={() => setIdentityOpen((o) => !o)}
         aria-expanded={identityOpen}
       >
diff --git a/frontend/src/components/clone/ScriptPanel.jsx b/frontend/src/components/clone/ScriptPanel.jsx
index 9333239e..c8645b02 100644
--- a/frontend/src/components/clone/ScriptPanel.jsx
+++ b/frontend/src/components/clone/ScriptPanel.jsx
@@ -6,14 +6,14 @@ import { TAGS } from '../../utils/constants';
 // Tailwind utilities (shadcn P4). Flat chrome pill, mono face — token utilities
 // reference the same --chrome-* vars the old rule used, so the look is unchanged.
 const TAG_BTN =
-  'border border-[var(--chrome-border)] bg-transparent text-[var(--chrome-fg-muted)] px-[9px] py-[3px] rounded-[var(--chrome-radius-pill)] font-[var(--chrome-font-mono)] font-medium text-[0.66rem] whitespace-nowrap cursor-pointer transition-colors duration-[120ms] hover:bg-[var(--chrome-hover-bg)] hover:text-[var(--chrome-fg)] hover:border-[var(--chrome-border-strong)]';
+  'border border-transparent bg-transparent text-[var(--chrome-fg-muted)] px-[9px] py-[3px] rounded-[var(--chrome-radius-pill)] font-[var(--chrome-font-mono)] font-medium text-[0.66rem] whitespace-nowrap cursor-pointer transition-colors duration-[120ms] hover:bg-[var(--chrome-hover-bg)] hover:text-[var(--chrome-fg)] hover:border-transparent';
 
 // Studio shell migrated from the `studio-*` classes + CloneDesignTab.css to
 // utilities (fast shadcn). `.studio-panel` stays defined in index.css for the
 // dub area; clone reproduces it inline so its bespoke restack (flat stack,
 // overflow-visible insert popover) is self-contained.
 const STUDIO_PANEL =
-  'flex flex-col min-h-0 bg-[var(--chrome-bg)] border border-[var(--chrome-border)] rounded-none py-[10px] px-[12px] max-[800px]:px-[10px] max-[600px]:px-[6px] max-[600px]:py-[8px]';
+  'flex flex-col min-h-0 bg-[var(--chrome-bg)] border border-transparent rounded-none py-[10px] px-[12px] max-[800px]:px-[10px] max-[600px]:px-[6px] max-[600px]:py-[8px]';
 
 export default function ScriptPanel({
   t,
@@ -85,8 +85,8 @@ export default function ScriptPanel({
             type="button"
             className={`absolute right-[8px] bottom-[30px] inline-flex items-center gap-[4px] px-2 py-1 text-[0.66rem] bg-[var(--chrome-bg)] border rounded-[var(--chrome-radius-pill)] cursor-pointer transition-[color,border-color] duration-[var(--dur-fast)] focus-visible:[outline:2px_solid_var(--chrome-accent)] focus-visible:[outline-offset:1px] ${
               insertOpen
-                ? 'text-[var(--chrome-fg)] border-[var(--chrome-border-strong)]'
-                : 'text-[var(--chrome-fg-muted)] border-[var(--chrome-border)] hover:text-[var(--chrome-fg)] hover:border-[var(--chrome-border-strong)]'
+                ? 'text-[var(--chrome-fg)] border-transparent'
+                : 'text-[var(--chrome-fg-muted)] border-transparent hover:text-[var(--chrome-fg)] hover:border-transparent'
             }`}
             onClick={() => setInsertOpen((o) => !o)}
             aria-expanded={insertOpen}
@@ -100,7 +100,7 @@ export default function ScriptPanel({
           )}
           {insertOpen && (
             <div
-              className="absolute right-[8px] bottom-[60px] z-20 flex flex-wrap gap-1 max-w-[min(360px,calc(100vw-16px))] max-h-[min(280px,calc(100vh-120px))] overflow-y-auto overscroll-contain p-2 bg-[var(--chrome-bg)] border border-[var(--chrome-border-strong)] rounded-[10px] shadow-[0_8px_24px_rgba(0,0,0,0.45)]"
+              className="absolute right-[8px] bottom-[60px] z-20 flex flex-wrap gap-1 max-w-[min(360px,calc(100vw-16px))] max-h-[min(280px,calc(100vh-120px))] overflow-y-auto overscroll-contain p-2 bg-[var(--chrome-bg)] border border-transparent rounded-[10px] shadow-[0_8px_24px_rgba(0,0,0,0.45)]"
               role="menu"
             >
               {TAGS.map((tag) => (
diff --git a/frontend/src/components/dub/DubFooter.jsx b/frontend/src/components/dub/DubFooter.jsx
index 98376386..188cbebf 100644
--- a/frontend/src/components/dub/DubFooter.jsx
+++ b/frontend/src/components/dub/DubFooter.jsx
@@ -11,8 +11,7 @@ const ERROR_AUTOCLEAR_MS = 12000;
 // Export-track toggle chips: flat pill outline, tinted by on/off/success state.
 const TRACK_LABEL =
   'inline-flex items-center gap-[4px] px-[8px] py-[2px] border border-transparent rounded-[var(--chrome-radius-pill)] cursor-pointer transition-colors';
-const TRACK_ON =
-  'text-[var(--chrome-fg)] border-[var(--chrome-border-strong)] bg-[var(--chrome-hover-bg)]';
+const TRACK_ON = 'text-[var(--chrome-fg)] border-transparent bg-[var(--chrome-hover-bg)]';
 const TRACK_OFF = 'text-[var(--chrome-fg-dim)]';
 const TRACK_ON_SUCCESS =
   'text-[var(--chrome-severity-ok)] border-transparent bg-[color-mix(in_srgb,var(--chrome-severity-ok)_10%,transparent)]';
@@ -43,7 +42,7 @@ export default function DubFooter({
   }, [canAutoClear, dubError, onDismissError]);
 
   return (
-    <div className="px-[var(--space-3)] py-[4px] shrink-0 bg-[var(--chrome-bg)] border border-[var(--chrome-border)]">
+    <div className="px-[var(--space-3)] py-[4px] shrink-0 bg-[var(--chrome-bg)] border border-transparent">
       {dubStep === 'done' && (
         <div className="mb-[var(--space-2)]">
           <Badge tone="success">
@@ -86,7 +85,7 @@ export default function DubFooter({
       )}
       {/* Output options + Timing moved to the top of the right (transcript) section. */}
       {dubTracks.length > 0 && (
-        <div className="flex items-center gap-[var(--space-2)] mb-[2px] px-[var(--space-3)] py-[3px] text-[length:var(--text-xs)] text-[var(--chrome-fg-muted)] font-[family-name:var(--font-sans)] bg-[var(--chrome-bg)] rounded-[var(--chrome-radius-pill)] border border-[var(--chrome-border)] flex-wrap">
+        <div className="flex items-center gap-[var(--space-2)] mb-[2px] px-[var(--space-3)] py-[3px] text-[length:var(--text-xs)] text-[var(--chrome-fg-muted)] font-[family-name:var(--font-sans)] bg-[var(--chrome-bg)] rounded-[var(--chrome-radius-pill)] border border-transparent flex-wrap">
           <span className="font-[family-name:var(--chrome-font-mono)] text-[length:var(--chrome-label-size)] tracking-[var(--chrome-label-track)] uppercase text-[var(--chrome-fg-muted)] font-semibold">
             {t('dub.export_tracks')}
           </span>
diff --git a/frontend/src/components/dub/DubLeftColumn.jsx b/frontend/src/components/dub/DubLeftColumn.jsx
index 3c72b398..8b53c8d5 100644
--- a/frontend/src/components/dub/DubLeftColumn.jsx
+++ b/frontend/src/components/dub/DubLeftColumn.jsx
@@ -29,11 +29,11 @@ import toast from 'react-hot-toast';
 
 // ── Translation-settings bar utility class clusters ──────────────────────
 const SETTINGS_SUMMARY =
-  'flex items-center gap-[var(--space-2)] px-[var(--space-3)] py-[3px] mb-[3px] bg-[var(--chrome-bg)] border border-[var(--chrome-border)] rounded-[var(--chrome-radius-pill)] font-[family-name:var(--font-sans)] text-[0.66rem] text-[var(--chrome-fg-muted)]';
+  'flex items-center gap-[var(--space-2)] px-[var(--space-3)] py-[3px] mb-[3px] bg-[var(--chrome-bg)] border border-transparent rounded-[var(--chrome-radius-pill)] font-[family-name:var(--font-sans)] text-[0.66rem] text-[var(--chrome-fg-muted)]';
 const SUMMARY_TRIGGER =
   'inline-flex items-center gap-[5px] flex-1 min-w-0 bg-transparent border-none text-fg-muted cursor-pointer py-[2px] px-0 [font:inherit] text-left';
 const SETTINGS_BAR =
-  'flex flex-col gap-[3px] max-[900px]:gap-[6px] mb-[4px] px-[8px] py-[4px] bg-[var(--chrome-bg)] border border-[var(--chrome-border)] rounded-[var(--chrome-radius-pill)]';
+  'flex flex-col gap-[3px] max-[900px]:gap-[6px] mb-[4px] px-[8px] py-[4px] bg-[var(--chrome-bg)] border border-transparent rounded-[var(--chrome-radius-pill)]';
 const FIELD = 'flex flex-col gap-[1px] min-w-0';
 const FIELD_RESP = 'max-[960px]:basis-full max-[960px]:min-w-0';
 const FIELD_LABEL =
@@ -245,7 +245,7 @@ export default function DubLeftColumn({
                   dropdown. It's also pre-selected on the segments so "new
                   language = same speaker's voice" works by default. */}
       {dubSegments.some((s) => s.speaker_id) && (
-        <div className="mt-[2px] px-[var(--space-3)] py-[3px] bg-[var(--chrome-bg)] rounded-[var(--chrome-radius-pill)] border border-[var(--chrome-border)]">
+        <div className="mt-[2px] px-[var(--space-3)] py-[3px] bg-[var(--chrome-bg)] rounded-[var(--chrome-radius-pill)] border border-transparent">
           <div className="flex gap-[var(--space-2)] items-center flex-wrap">
             <span
               className="font-[family-name:var(--chrome-font-mono)] text-[length:var(--chrome-label-size)] text-[var(--chrome-fg-muted)] tracking-[var(--chrome-label-track)] uppercase font-semibold"
@@ -492,7 +492,7 @@ export default function DubLeftColumn({
                       <div
                         role="dialog"
                         aria-label={t('dub.install_popover_title')}
-                        className="absolute z-20 top-[calc(100%+6px)] left-0 w-[290px] max-w-[80vw] p-[10px] flex flex-col gap-[8px] bg-[var(--chrome-bg,#282828)] border border-[var(--chrome-border-strong,#504945)] rounded-[8px] shadow-[0_8px_24px_rgba(0,0,0,0.45)] normal-case text-left"
+                        className="absolute z-20 top-[calc(100%+6px)] left-0 w-[290px] max-w-[80vw] p-[10px] flex flex-col gap-[8px] bg-[var(--chrome-bg,#282828)] border border-transparent rounded-[8px] shadow-[0_8px_24px_rgba(0,0,0,0.45)] normal-case text-left"
                       >
                         <div className="text-[0.68rem] font-semibold text-[var(--chrome-fg,#ebdbb2)] normal-case tracking-normal">
                           {t('dub.install_popover_title')}
@@ -502,12 +502,12 @@ export default function DubLeftColumn({
                         </p>
                         {installCmd && (
                           <div className="flex items-stretch gap-[4px]">
-                            <code className="flex-1 min-w-0 px-[6px] py-[4px] text-[0.6rem] leading-[1.4] font-[family-name:var(--chrome-font-mono,monospace)] text-[var(--chrome-fg,#ebdbb2)] bg-[rgba(0,0,0,0.35)] border border-[var(--chrome-border,#3c3836)] rounded-[5px] overflow-x-auto whitespace-nowrap">
+                            <code className="flex-1 min-w-0 px-[6px] py-[4px] text-[0.6rem] leading-[1.4] font-[family-name:var(--chrome-font-mono,monospace)] text-[var(--chrome-fg,#ebdbb2)] bg-[rgba(0,0,0,0.35)] border border-transparent rounded-[5px] overflow-x-auto whitespace-nowrap">
                               {installCmd}
                             </code>
                             <button
                               type="button"
-                              className="shrink-0 inline-flex items-center justify-center px-[6px] rounded-[5px] border border-[var(--chrome-border,#3c3836)] text-[var(--chrome-fg-muted,#a89984)] hover:text-[var(--chrome-fg,#ebdbb2)] hover:border-[var(--chrome-border-strong,#504945)] cursor-pointer bg-transparent"
+                              className="shrink-0 inline-flex items-center justify-center px-[6px] rounded-[5px] border border-transparent text-[var(--chrome-fg-muted,#a89984)] hover:text-[var(--chrome-fg,#ebdbb2)] hover:border-transparent cursor-pointer bg-transparent"
                               onClick={copyInstallCmd}
                               title={t('dub.copy_command')}
                               aria-label={t('dub.copy_command')}
@@ -616,9 +616,7 @@ export default function DubLeftColumn({
                 onChange={(e) => setDubInstruct(e.target.value)}
               />
             </div>
-            <div
-              className={`${FIELD} basis-full pt-[3px] border-t border-[var(--chrome-border)] mt-[1px]`}
-            >
+            <div className={`${FIELD} basis-full pt-[3px] border-t border-transparent mt-[1px]`}>
               <label className="flex items-center gap-[6px] text-[0.65rem] text-[var(--chrome-fg-muted)] cursor-pointer mb-[2px]">
                 <input
                   type="checkbox"
diff --git a/frontend/src/components/dub/DubRightColumn.jsx b/frontend/src/components/dub/DubRightColumn.jsx
index 9cd5ac17..defea669 100644
--- a/frontend/src/components/dub/DubRightColumn.jsx
+++ b/frontend/src/components/dub/DubRightColumn.jsx
@@ -173,7 +173,7 @@ export default function DubRightColumn({
             {showTranscript ? <ChevronUp size={10} /> : <ChevronDown size={10} />}
           </div>
           {showTranscript && (
-            <div className="bg-[var(--chrome-bg)] border border-[var(--chrome-border)] border-t-0 rounded-b-[var(--chrome-radius-pill)] p-[var(--space-3)] text-[length:var(--text-xs)] text-[var(--chrome-fg-muted)] leading-[1.5] max-h-[80px] overflow-y-auto">
+            <div className="bg-[var(--chrome-bg)] border border-transparent border-t-0 rounded-b-[var(--chrome-radius-pill)] p-[var(--space-3)] text-[length:var(--text-xs)] text-[var(--chrome-fg-muted)] leading-[1.5] max-h-[80px] overflow-y-auto">
               {dubTranscript}
             </div>
           )}
@@ -185,7 +185,7 @@ export default function DubRightColumn({
       {dubJobId && !glossaryVisible && (
         <button
           type="button"
-          className="inline-flex items-center px-[var(--space-3)] py-[3px] mb-[4px] font-[family-name:var(--chrome-font-mono)] text-[length:var(--chrome-label-size)] tracking-[var(--chrome-label-track)] uppercase text-[var(--chrome-fg-muted)] bg-transparent border border-[var(--chrome-border)] rounded-[var(--chrome-radius-pill)] cursor-pointer transition-colors hover:bg-[var(--chrome-hover-bg)] hover:border-[var(--chrome-border-strong)] hover:text-[var(--chrome-fg)]"
+          className="inline-flex items-center px-[var(--space-3)] py-[3px] mb-[4px] font-[family-name:var(--chrome-font-mono)] text-[length:var(--chrome-label-size)] tracking-[var(--chrome-label-track)] uppercase text-[var(--chrome-fg-muted)] bg-transparent border border-transparent rounded-[var(--chrome-radius-pill)] cursor-pointer transition-colors hover:bg-[var(--chrome-hover-bg)] hover:border-transparent hover:text-[var(--chrome-fg)]"
           onClick={() => {
             setGlossaryOpen(true);
             setGlossaryHidden(false);
diff --git a/frontend/src/components/dub/FooterBtn.jsx b/frontend/src/components/dub/FooterBtn.jsx
index 94c63f48..640c7cbe 100644
--- a/frontend/src/components/dub/FooterBtn.jsx
+++ b/frontend/src/components/dub/FooterBtn.jsx
@@ -14,9 +14,8 @@ const BASE =
   'disabled:opacity-45 disabled:cursor-not-allowed';
 
 const TONES = {
-  idle: 'text-[var(--chrome-fg-muted)] border-[var(--chrome-border)] hover:bg-[var(--chrome-hover-bg)]',
-  stopping:
-    'text-[var(--chrome-fg-muted)] border-[var(--chrome-border)] hover:bg-[var(--chrome-hover-bg)]',
+  idle: 'text-[var(--chrome-fg-muted)] border-transparent hover:bg-[var(--chrome-hover-bg)]',
+  stopping: 'text-[var(--chrome-fg-muted)] border-transparent hover:bg-[var(--chrome-hover-bg)]',
   danger:
     'text-[var(--chrome-severity-err)] border-transparent bg-[color-mix(in_srgb,var(--chrome-severity-err)_10%,transparent)] hover:bg-[color-mix(in_srgb,var(--chrome-severity-err)_18%,transparent)]',
   green:
diff --git a/frontend/src/components/dub/IdleSkeleton.jsx b/frontend/src/components/dub/IdleSkeleton.jsx
index 42122304..e54cbc90 100644
--- a/frontend/src/components/dub/IdleSkeleton.jsx
+++ b/frontend/src/components/dub/IdleSkeleton.jsx
@@ -402,7 +402,7 @@ export default function IdleSkeleton({
                 </label>
                 <button
                   type="button"
-                  className="inline-flex items-center gap-[5px] px-[10px] py-[5px] text-[0.7rem] text-[var(--chrome-fg-muted)] bg-transparent border border-[var(--chrome-border)] rounded-[var(--chrome-radius-pill,999px)] cursor-pointer transition-colors hover:text-[var(--chrome-fg)] hover:border-[var(--chrome-border-strong)]"
+                  className="inline-flex items-center gap-[5px] px-[10px] py-[5px] text-[0.7rem] text-[var(--chrome-fg-muted)] bg-transparent border border-transparent rounded-[var(--chrome-radius-pill,999px)] cursor-pointer transition-colors hover:text-[var(--chrome-fg)] hover:border-transparent"
                   onClick={() => setLandingAdvOpen((o) => !o)}
                   aria-expanded={landingAdvOpen}
                 >
@@ -581,7 +581,7 @@ export default function IdleSkeleton({
               <Play size={11} /> {t('dub.generate_dub')}
             </Button>
             <button
-              className="inline-flex items-center gap-[5px] bg-transparent border border-[var(--chrome-border)] text-[var(--chrome-fg-muted)] rounded-[8px] flex-[0_0_auto] px-[8px] py-[4px] text-[0.7rem] opacity-40"
+              className="inline-flex items-center gap-[5px] bg-transparent border border-transparent text-[var(--chrome-fg-muted)] rounded-[8px] flex-[0_0_auto] px-[8px] py-[4px] text-[0.7rem] opacity-40"
               disabled
             >
               <Download size={11} /> {t('dub.export_btn', { defaultValue: 'Export' })}{' '}
diff --git a/frontend/src/components/gallery/ArchetypesZone.jsx b/frontend/src/components/gallery/ArchetypesZone.jsx
index f3f505c3..ae426ff2 100644
--- a/frontend/src/components/gallery/ArchetypesZone.jsx
+++ b/frontend/src/components/gallery/ArchetypesZone.jsx
@@ -117,7 +117,7 @@ export default function ArchetypesZone({
   const facetGroup =
     'flex items-center gap-[5px] flex-nowrap min-w-0 overflow-x-auto overflow-y-hidden [scrollbar-width:thin]';
   const facetToggle =
-    'inline-flex items-center gap-[5px] h-[26px] box-border px-[9px] rounded-[7px] border border-[var(--chrome-border)] bg-[var(--chrome-hover-bg)] text-[var(--chrome-fg-muted)] text-[0.68rem] whitespace-nowrap cursor-pointer hover:text-[var(--chrome-fg)] hover:border-[color:var(--chrome-border-strong)]';
+    'inline-flex items-center gap-[5px] h-[26px] box-border px-[9px] rounded-[7px] border border-transparent bg-[var(--chrome-hover-bg)] text-[var(--chrome-fg-muted)] text-[0.68rem] whitespace-nowrap cursor-pointer hover:text-[var(--chrome-fg)] hover:border-[color:var(--chrome-border-strong)]';
   const gridClass =
     viewMode === 'grid'
       ? 'grid grid-cols-[repeat(auto-fill,minmax(248px,1fr))] gap-[10px]'
@@ -125,7 +125,7 @@ export default function ArchetypesZone({
 
   return (
     <div className="flex-1 min-h-0 flex flex-col overflow-y-auto">
-      <div className="flex flex-row items-center gap-[10px] flex-nowrap shrink-0 pt-[2px] pb-[10px] mb-[8px] border-b border-[var(--chrome-border)]">
+      <div className="flex flex-row items-center gap-[10px] flex-nowrap shrink-0 pt-[2px] pb-[10px] mb-[8px] border-b border-transparent">
         {/* Three filter lanes (categories · facets · toggles), each its own
             horizontally-scrollable portion; the view toggle is pinned right. */}
         <div className={`${facetGroup} flex-[2.4_1_0]`}>
@@ -150,9 +150,7 @@ export default function ArchetypesZone({
           ))}
         </div>
 
-        <div
-          className={`${facetGroup} flex-[1.6_1_0] pl-[10px] border-l border-[var(--chrome-border)]`}
-        >
+        <div className={`${facetGroup} flex-[1.6_1_0] pl-[10px] border-l border-transparent`}>
           {['gender', 'age', 'pitch', 'accent', 'lang'].map((dim) => (
             <Select
               key={dim}
@@ -172,9 +170,7 @@ export default function ArchetypesZone({
           ))}
         </div>
 
-        <div
-          className={`${facetGroup} flex-[1_1_0] pl-[10px] border-l border-[var(--chrome-border)]`}
-        >
+        <div className={`${facetGroup} flex-[1_1_0] pl-[10px] border-l border-transparent`}>
           <label className={facetToggle}>
             <input
               type="checkbox"
diff --git a/frontend/src/components/gallery/ImportsZone.jsx b/frontend/src/components/gallery/ImportsZone.jsx
index 57826f77..0131c314 100644
--- a/frontend/src/components/gallery/ImportsZone.jsx
+++ b/frontend/src/components/gallery/ImportsZone.jsx
@@ -214,7 +214,7 @@ export default function ImportsZone({ t, playingId, loadingPreviewId, onPlayGall
   };
 
   const voicePlay =
-    'flex items-center justify-center w-[28px] h-[28px] rounded-full border border-[var(--chrome-border)] bg-bg-elev-1 text-[var(--text-primary)] cursor-pointer flex-shrink-0 hover:bg-[var(--accent)] hover:border-[color:var(--accent)] hover:text-white';
+    'flex items-center justify-center w-[28px] h-[28px] rounded-full border border-transparent bg-bg-elev-1 text-[var(--text-primary)] cursor-pointer flex-shrink-0 hover:bg-[var(--accent)] hover:border-[color:var(--accent)] hover:text-white';
   const actionBtn =
     'flex items-center justify-center w-[24px] h-[24px] bg-transparent text-[var(--text-secondary)] rounded-[4px] cursor-pointer hover:bg-bg-elev-2 hover:text-[var(--text-primary)]';
 
@@ -305,7 +305,7 @@ export default function ImportsZone({ t, playingId, loadingPreviewId, onPlayGall
             {results.map((r, i) => (
               <div
                 key={i}
-                className="flex justify-between items-center px-[10px] py-[8px] gap-[8px] border-b border-[var(--chrome-border)] last:border-0"
+                className="flex justify-between items-center px-[10px] py-[8px] gap-[8px] border-b border-transparent last:border-0"
               >
                 <div className="flex-1 min-w-0 flex flex-col gap-[2px]">
                   <span className="text-[0.75rem] truncate">{r.title}</span>
diff --git a/frontend/src/components/profile/ProfileActivity.jsx b/frontend/src/components/profile/ProfileActivity.jsx
index 87c1c0a5..7b8b8b49 100644
--- a/frontend/src/components/profile/ProfileActivity.jsx
+++ b/frontend/src/components/profile/ProfileActivity.jsx
@@ -85,7 +85,7 @@ export default function ProfileActivity({
                     <button
                       type="button"
                       onClick={() => onOpenProject?.(p.project_id)}
-                      className="flex w-full cursor-pointer items-center gap-[var(--space-3)] rounded-[var(--radius-md)] border border-border bg-[rgba(255,255,255,0.02)] px-[var(--space-4)] py-[var(--space-3)] text-fg [font-size:var(--text-md)] transition-[background,border-color] duration-[var(--dur-fast)] ease-[var(--ease-out)] hover:border-[var(--color-border-strong)] hover:bg-[rgba(255,255,255,0.06)]"
+                      className="flex w-full cursor-pointer items-center gap-[var(--space-3)] rounded-[var(--radius-md)] border border-border bg-[rgba(255,255,255,0.02)] px-[var(--space-4)] py-[var(--space-3)] text-fg [font-size:var(--text-md)] transition-[background,border-color] duration-[var(--dur-fast)] ease-[var(--ease-out)] hover:border-transparent hover:bg-[rgba(255,255,255,0.06)]"
                     >
                       <FolderOpen size={11} />
                       <span className="flex-1 text-left">{p.project_name}</span>
diff --git a/frontend/src/components/settings/SettingsSearch.jsx b/frontend/src/components/settings/SettingsSearch.jsx
index fd8a6525..711137bd 100644
--- a/frontend/src/components/settings/SettingsSearch.jsx
+++ b/frontend/src/components/settings/SettingsSearch.jsx
@@ -29,7 +29,7 @@ export default function SettingsSearch({ value, onChange, onClear }) {
         placeholder={t('settings.search_placeholder', { defaultValue: 'Search settings…' })}
         aria-label={t('settings.search_placeholder', { defaultValue: 'Search settings…' })}
         data-testid="settings-search"
-        className="w-full min-w-0 box-border rounded-[var(--chrome-radius-pill)] border border-[var(--chrome-border)] bg-[color-mix(in_srgb,var(--chrome-bg)_94%,white)] py-[var(--space-2)] pl-[calc(var(--space-3)*2+13px)] pr-[calc(var(--space-3)*2+13px)] text-[color:var(--chrome-fg)] [font-family:var(--font-sans)] text-[length:var(--text-sm)] focus:border-[var(--chrome-accent)] focus:outline-none [&::-webkit-search-cancel-button]:appearance-none"
+        className="w-full min-w-0 box-border rounded-[var(--chrome-radius-pill)] border border-transparent bg-[color-mix(in_srgb,var(--chrome-bg)_94%,white)] py-[var(--space-2)] pl-[calc(var(--space-3)*2+13px)] pr-[calc(var(--space-3)*2+13px)] text-[color:var(--chrome-fg)] [font-family:var(--font-sans)] text-[length:var(--text-sm)] focus:border-[var(--chrome-accent)] focus:outline-none [&::-webkit-search-cancel-button]:appearance-none"
       />
       {value && (
         <button
diff --git a/frontend/src/components/settings/SettingsSidebar.jsx b/frontend/src/components/settings/SettingsSidebar.jsx
index f2ec9fb1..c0c28b1e 100644
--- a/frontend/src/components/settings/SettingsSidebar.jsx
+++ b/frontend/src/components/settings/SettingsSidebar.jsx
@@ -35,7 +35,7 @@ export default function SettingsSidebar({ visibleIds, active, onSelect }) {
           onChange={(e) => onSelect(e.target.value)}
           aria-label={t('settings.title', { defaultValue: 'Settings' })}
           data-testid="settings-nav-select"
-          className="w-full min-w-0 box-border rounded-[var(--chrome-radius-pill)] border border-[var(--chrome-border)] bg-[color-mix(in_srgb,var(--chrome-bg)_94%,white)] px-[var(--space-4)] py-[var(--space-3)] text-[color:var(--chrome-fg)] [font-family:var(--font-sans)] text-[length:var(--text-sm)] focus:border-[var(--chrome-accent)] focus:outline-none"
+          className="w-full min-w-0 box-border rounded-[var(--chrome-radius-pill)] border border-transparent bg-[color-mix(in_srgb,var(--chrome-bg)_94%,white)] px-[var(--space-4)] py-[var(--space-3)] text-[color:var(--chrome-fg)] [font-family:var(--font-sans)] text-[length:var(--text-sm)] focus:border-[var(--chrome-accent)] focus:outline-none"
         >
           {GROUPS.map((g) => {
             const items = g.items.filter((it) => isVisible(it.id));
diff --git a/frontend/src/components/settings/primitives/Collapsible.jsx b/frontend/src/components/settings/primitives/Collapsible.jsx
index 1303434b..8197e489 100644
--- a/frontend/src/components/settings/primitives/Collapsible.jsx
+++ b/frontend/src/components/settings/primitives/Collapsible.jsx
@@ -22,7 +22,7 @@ export default function Collapsible({ title, icon: Icon, defaultOpen = false, ba
   return (
     <div
       className={cn(
-        'border border-[var(--chrome-border)] rounded-[var(--chrome-radius-pill)] mt-[var(--space-4)] overflow-hidden',
+        'border border-transparent rounded-[var(--chrome-radius-pill)] mt-[var(--space-4)] overflow-hidden',
         open && 'is-open',
       )}
     >
@@ -50,7 +50,7 @@ export default function Collapsible({ title, icon: Icon, defaultOpen = false, ba
         )}
       </button>
       {open && (
-        <div className="px-[var(--space-5)] pt-[var(--space-2)] pb-[var(--space-4)] border-t border-[var(--chrome-border)] [&>[data-slot=setting-row]:last-child]:pb-0">
+        <div className="px-[var(--space-5)] pt-[var(--space-2)] pb-[var(--space-4)] border-t border-transparent [&>[data-slot=setting-row]:last-child]:pb-0">
           {children}
         </div>
       )}
diff --git a/frontend/src/components/settings/primitives/SettingRow.jsx b/frontend/src/components/settings/primitives/SettingRow.jsx
index 80d431b0..bac1b1f8 100644
--- a/frontend/src/components/settings/primitives/SettingRow.jsx
+++ b/frontend/src/components/settings/primitives/SettingRow.jsx
@@ -45,7 +45,7 @@ export default function SettingRow({
       data-slot="setting-row"
       data-mono={mono ? '' : undefined}
       className={cn(
-        'grid gap-y-[1px] py-[var(--space-4)] min-h-0 border-b border-[var(--chrome-border)] last:border-b-0 [font-family:var(--font-sans)]',
+        'grid gap-y-[1px] py-[var(--space-4)] min-h-0 border-b border-transparent last:border-b-0 [font-family:var(--font-sans)]',
         align === 'start' ? 'items-start' : 'items-center',
         stack
           ? 'grid-cols-[1fr] gap-[var(--space-3)]'
diff --git a/frontend/src/components/settings/primitives/SettingsInput.jsx b/frontend/src/components/settings/primitives/SettingsInput.jsx
index 8176578b..6ec77544 100644
--- a/frontend/src/components/settings/primitives/SettingsInput.jsx
+++ b/frontend/src/components/settings/primitives/SettingsInput.jsx
@@ -36,7 +36,7 @@ export default function SettingsInput({
       data-slot="settings-input"
       type={type}
       className={cn(
-        'w-full min-w-0 max-w-[min(360px,100%)] box-border rounded-[var(--chrome-radius-pill)] border border-[var(--chrome-border)] bg-[color-mix(in_srgb,var(--chrome-bg)_94%,white)] px-[var(--space-4)] py-[var(--space-3)] text-[color:var(--chrome-fg)] [font-family:var(--font-sans)] text-[length:var(--text-sm)] focus:outline-none focus:border-[var(--chrome-accent)] disabled:opacity-50 disabled:cursor-not-allowed',
+        'w-full min-w-0 max-w-[min(360px,100%)] box-border rounded-[var(--chrome-radius-pill)] border border-transparent bg-[color-mix(in_srgb,var(--chrome-bg)_94%,white)] px-[var(--space-4)] py-[var(--space-3)] text-[color:var(--chrome-fg)] [font-family:var(--font-sans)] text-[length:var(--text-sm)] focus:outline-none focus:border-[var(--chrome-accent)] disabled:opacity-50 disabled:cursor-not-allowed',
         mono && '[font-family:var(--chrome-font-mono)]',
         className,
       )}
diff --git a/frontend/src/components/settings/primitives/SettingsSection.jsx b/frontend/src/components/settings/primitives/SettingsSection.jsx
index c0c6d913..6a795b65 100644
--- a/frontend/src/components/settings/primitives/SettingsSection.jsx
+++ b/frontend/src/components/settings/primitives/SettingsSection.jsx
@@ -25,7 +25,7 @@ import React from 'react';
 // to the primitive without re-deriving the token string. `data-slot` is the
 // stable hook Settings.css / panel CSS reach into.
 export const SETTINGS_SECTION_SURFACE =
-  'bg-[var(--chrome-bg)] border border-[var(--chrome-border)] rounded-[var(--chrome-radius-pill)] px-[var(--space-6)] py-[var(--space-5)] mb-[var(--space-5)] last:mb-0';
+  'bg-[var(--chrome-bg)] border border-transparent rounded-[var(--chrome-radius-pill)] px-[var(--space-6)] py-[var(--space-5)] mb-[var(--space-5)] last:mb-0';
 
 export default function SettingsSection({
   icon: Icon,
@@ -41,7 +41,7 @@ export default function SettingsSection({
       data-slot="settings-section"
       className={`${SETTINGS_SECTION_SURFACE} ${className}`.trim()}
     >
-      <header className="flex items-center gap-[var(--space-3)] mb-[var(--space-3)] pb-[var(--space-3)] border-b border-[var(--chrome-border)]">
+      <header className="flex items-center gap-[var(--space-3)] mb-[var(--space-3)] pb-[var(--space-3)] border-b border-transparent">
         {Icon && (
           <span
             className="shrink-0 inline-flex items-center justify-center w-[20px] h-[20px] rounded-[var(--chrome-radius-pill)] text-[color:var(--chrome-fg-muted)] bg-[color-mix(in_srgb,currentColor_12%,var(--chrome-bg))] border border-transparent"
diff --git a/frontend/src/components/ui/button.tsx b/frontend/src/components/ui/button.tsx
index a9769e69..ae159484 100644
--- a/frontend/src/components/ui/button.tsx
+++ b/frontend/src/components/ui/button.tsx
@@ -32,7 +32,7 @@ const buttonVariants = cva(
         destructive:
           'bg-destructive text-destructive-foreground shadow-xs hover:bg-destructive/90 focus-visible:ring-destructive/20',
         outline:
-          'border border-input bg-background shadow-xs hover:bg-accent hover:text-accent-foreground',
+          'border border-transparent bg-background shadow-xs hover:bg-accent hover:text-accent-foreground',
         secondary: 'bg-secondary text-secondary-foreground shadow-xs hover:bg-secondary/80',
         ghost: 'hover:bg-accent hover:text-accent-foreground',
         link: 'text-primary underline-offset-4 hover:underline',
@@ -44,19 +44,19 @@ const buttonVariants = cva(
         primary:
           'border border-transparent bg-primary text-primary-foreground font-semibold shadow-xs hover:bg-primary/90 active:scale-[0.98]',
         subtle:
-          'border border-border bg-transparent text-muted-foreground hover:bg-[var(--chrome-hover-bg)] hover:text-foreground hover:border-transparent',
+          'border border-transparent bg-transparent text-muted-foreground hover:bg-[var(--chrome-hover-bg)] hover:text-foreground hover:border-transparent',
         softGhost:
           'border border-transparent bg-transparent text-muted-foreground hover:bg-[var(--chrome-hover-bg)] hover:text-foreground',
         danger:
           'text-destructive bg-destructive/10 border border-transparent hover:bg-destructive/20 hover:border-transparent',
-        chip: 'border border-border bg-transparent text-muted-foreground hover:bg-[var(--chrome-hover-bg)] hover:text-foreground hover:border-transparent',
+        chip: 'border border-transparent bg-transparent text-muted-foreground hover:bg-[var(--chrome-hover-bg)] hover:text-foreground hover:border-transparent',
         chipActive: 'text-success bg-success/10 border border-transparent',
         preset:
-          'justify-start text-left border border-border bg-transparent text-muted-foreground hover:bg-[var(--chrome-hover-bg)] hover:text-foreground hover:border-transparent',
+          'justify-start text-left border border-transparent bg-transparent text-muted-foreground hover:bg-[var(--chrome-hover-bg)] hover:text-foreground hover:border-transparent',
         presetActive:
           'justify-start text-left text-primary bg-primary/[0.12] border border-transparent',
         iconBtn:
-          'border border-border bg-transparent text-muted-foreground hover:bg-[var(--chrome-hover-bg)] hover:text-foreground hover:border-transparent',
+          'border border-transparent bg-transparent text-muted-foreground hover:bg-[var(--chrome-hover-bg)] hover:text-foreground hover:border-transparent',
         iconBtnActive: 'text-primary bg-primary/[0.12] border border-transparent',
       },
       size: {
diff --git a/frontend/src/index.css b/frontend/src/index.css
index e5eb2cb5..1bdf47c1 100644
--- a/frontend/src/index.css
+++ b/frontend/src/index.css
@@ -321,9 +321,15 @@
   --chrome-fg:            #d5c4a1;
   --chrome-fg-muted:      #a89984;
   --chrome-fg-dim:        #7c6f64;
-  --chrome-accent:        #f3a5b6;
-  --chrome-accent-bg:     rgba(243, 165, 182, 0.12);
-  --chrome-accent-border: rgba(243, 165, 182, 0.35);
+  /* Accent family aliases the THEMED brand token (--color-brand, re-declared per
+     [data-theme]) so every accent surface — donate/support/commercial CTAs,
+     active tabs, .btn-primary, status pills, GoalBar/Pip — tracks the active
+     theme instead of the old fixed pink. (--chrome-accent-border stays zeroed by
+     the app-wide border-removal block below; the visible accent cue is the fg
+     color + the -bg tint.) */
+  --chrome-accent:        var(--color-brand);
+  --chrome-accent-bg:     color-mix(in srgb, var(--color-brand) 12%, transparent);
+  --chrome-accent-border: color-mix(in srgb, var(--color-brand) 35%, transparent);
   --chrome-severity-err:  #fb4934;
   --chrome-severity-warn: #fabd2f;
   --chrome-severity-ok:   #8ec07c;
diff --git a/frontend/src/pages/CloneDesignTab.jsx b/frontend/src/pages/CloneDesignTab.jsx
index 246577ad..c45fb61f 100644
--- a/frontend/src/pages/CloneDesignTab.jsx
+++ b/frontend/src/pages/CloneDesignTab.jsx
@@ -316,7 +316,7 @@ export default function CloneDesignTab(props) {
 
         {/* ═══ VOICE — who says it ═══ */}
         <div className="flex flex-col gap-[6px] flex-none min-h-0 relative z-[1]">
-          <div className="flex flex-col min-h-0 overflow-auto bg-[var(--chrome-bg)] border border-[var(--chrome-border)] rounded-none py-[10px] px-[12px] max-[800px]:px-[10px] max-[600px]:px-[6px] max-[600px]:py-[8px]">
+          <div className="flex flex-col min-h-0 overflow-auto bg-[var(--chrome-bg)] border border-transparent rounded-none py-[10px] px-[12px] max-[800px]:px-[10px] max-[600px]:px-[6px] max-[600px]:py-[8px]">
             <div className="label-row justify-between">
               <span className="label-row mb-0">
                 <Volume2 className="label-icon" size={14} />{' '}
diff --git a/frontend/src/pages/Launchpad.jsx b/frontend/src/pages/Launchpad.jsx
index a921ce62..47400f1a 100644
--- a/frontend/src/pages/Launchpad.jsx
+++ b/frontend/src/pages/Launchpad.jsx
@@ -23,7 +23,7 @@ import ReadinessChecklist from '../components/ReadinessChecklist';
 // (P4 shadcn/Tailwind pass). Defined once here so the four card instances stay
 // in lockstep; Tailwind's scanner picks the literals up from this file.
 const projCard =
-  'bg-[var(--chrome-bg)] border border-solid border-[var(--chrome-border)] rounded-[var(--chrome-radius-pill)] py-[10px] px-[14px] [transition:background_0.15s,border-color_0.15s] flex items-center gap-[12px] hover:bg-[var(--chrome-hover-bg)] hover:border-[var(--chrome-border-strong)]';
+  'bg-[var(--chrome-bg)] border border-solid border-transparent rounded-[var(--chrome-radius-pill)] py-[10px] px-[14px] [transition:background_0.15s,border-color_0.15s] flex items-center gap-[12px] hover:bg-[var(--chrome-hover-bg)] hover:border-transparent';
 const projIcon =
   'w-[32px] h-[32px] rounded-[var(--chrome-radius-pill)] flex items-center justify-center shrink-0';
 const projInfo = 'flex-1 min-w-0';
@@ -32,7 +32,7 @@ const projName =
 const projMeta =
   '[font-family:var(--chrome-font-mono)] text-[0.62rem] text-[color:var(--chrome-fg-dim)] mt-[2px] font-normal whitespace-nowrap overflow-hidden text-ellipsis';
 const projAction =
-  '[font-family:var(--font-sans)] text-[0.7rem] font-medium py-[4px] px-[12px] rounded-[var(--chrome-radius-pill)] bg-transparent border border-solid border-[var(--chrome-border-strong)] text-[color:var(--chrome-fg-muted)] cursor-pointer [transition:background_var(--dur-fast),color_var(--dur-fast),border-color_var(--dur-fast)] shrink-0 whitespace-nowrap [letter-spacing:0.02em] hover:bg-[var(--chrome-hover-bg)] hover:text-[color:var(--chrome-fg)] hover:border-[var(--chrome-fg-muted)]';
+  '[font-family:var(--font-sans)] text-[0.7rem] font-medium py-[4px] px-[12px] rounded-[var(--chrome-radius-pill)] bg-transparent border border-solid border-transparent text-[color:var(--chrome-fg-muted)] cursor-pointer [transition:background_var(--dur-fast),color_var(--dur-fast),border-color_var(--dur-fast)] shrink-0 whitespace-nowrap [letter-spacing:0.02em] hover:bg-[var(--chrome-hover-bg)] hover:text-[color:var(--chrome-fg)] hover:border-[var(--chrome-fg-muted)]';
 // Section divider label ("Cloned Voices" etc.) — the trailing dotted rule lives
 // on an ::after pseudo, expressed via the after: variant.
 const sectionTitle =
diff --git a/frontend/src/pages/Projects.jsx b/frontend/src/pages/Projects.jsx
index e258f3c3..2dca2a33 100644
--- a/frontend/src/pages/Projects.jsx
+++ b/frontend/src/pages/Projects.jsx
@@ -87,7 +87,7 @@ function Card({ kind, accent, title, subtitle, trailing, onClick, IconC, view })
   return (
     <button
       type="button"
-      className={`flex cursor-pointer rounded-[var(--chrome-radius-pill)] border border-[var(--chrome-border)] [border-left:3px_solid_var(--card-accent,var(--chrome-accent))] bg-[var(--chrome-bg)] text-left [font-family:inherit] text-[var(--chrome-fg)] transition-[border-color,background,transform] duration-[0.12s] hover:border-[var(--chrome-border-strong)] hover:bg-[color-mix(in_srgb,var(--card-accent,var(--chrome-accent))_5%,var(--chrome-bg))] active:translate-y-[1px] ${
+      className={`flex cursor-pointer rounded-[var(--chrome-radius-pill)] border border-transparent [border-left:3px_solid_var(--card-accent,var(--chrome-accent))] bg-[var(--chrome-bg)] text-left [font-family:inherit] text-[var(--chrome-fg)] transition-[border-color,background,transform] duration-[0.12s] hover:border-transparent hover:bg-[color-mix(in_srgb,var(--card-accent,var(--chrome-accent))_5%,var(--chrome-bg))] active:translate-y-[1px] ${
         list
           ? 'flex-row items-center gap-[14px] px-[12px] py-[6px]'
           : 'flex-col gap-[6px] px-[12px] py-[10px]'
diff --git a/frontend/src/pages/SupportPage.jsx b/frontend/src/pages/SupportPage.jsx
index 3547f520..8088610b 100644
--- a/frontend/src/pages/SupportPage.jsx
+++ b/frontend/src/pages/SupportPage.jsx
@@ -41,7 +41,9 @@ const METHODS = [
   },
 ];
 
-const DONATE_HUE = '#d3869b';
+// Donate/support accent tracks the themed brand token (per-[data-theme]) so the
+// panel recolors with the app theme instead of the old fixed pink.
+const DONATE_HUE = 'var(--color-brand)';
 
 // PayPal.me carries the chosen amount straight into the checkout; Ko-fi opens
 // its tip page (no reliable preset-amount URL). A non-numeric/"custom" amount
@@ -115,10 +117,10 @@ function SupportView() {
   return (
     <div className="flex flex-col gap-6">
       <div className="text-center">
-        <span className="mx-auto mb-4 flex size-12 items-center justify-center rounded-md border border-transparent bg-[color-mix(in_srgb,#d3869b_12%,transparent)]">
+        <span className="mx-auto mb-4 flex size-12 items-center justify-center rounded-md border border-transparent bg-[color-mix(in_srgb,var(--color-brand)_12%,transparent)]">
           <Heart
             size={24}
-            className="text-[#f3a5b6] [fill:rgba(243,165,182,0.35)] drop-shadow-[0_0_12px_rgba(243,165,182,0.5)]"
+            className="text-[var(--color-brand)] [fill:color-mix(in_srgb,var(--color-brand)_35%,transparent)] drop-shadow-[0_0_12px_color-mix(in_srgb,var(--color-brand)_50%,transparent)]"
           />
         </span>
         <h2 className="relative inline-block font-serif text-[2rem] font-normal leading-tight tracking-[-0.02em] text-[var(--chrome-fg)]">
@@ -298,7 +300,7 @@ function LicenseView() {
             key={label}
             className="gap-0 rounded-md border-border bg-transparent p-4 shadow-none transition-colors hover:border-border-strong hover:bg-[var(--chrome-hover-bg)]"
           >
-            <span className="mb-2.5 flex size-[30px] items-center justify-center rounded-md border border-transparent bg-[color-mix(in_srgb,#d3869b_10%,transparent)] text-[#d3869b]">
+            <span className="mb-2.5 flex size-[30px] items-center justify-center rounded-md border border-transparent bg-[color-mix(in_srgb,var(--color-brand)_10%,transparent)] text-[var(--color-brand)]">
               <Icon size={16} />
             </span>
             <div className="mb-1 font-mono text-[0.75rem] font-semibold uppercase tracking-[var(--chrome-label-track)] text-[var(--chrome-fg)]">
@@ -360,7 +362,7 @@ export default function SupportPage({ onBack, initialView = 'support' }) {
   const TAB_INACTIVE =
     'border-transparent text-[var(--chrome-fg-muted)] hover:text-[var(--chrome-fg)]';
   const TAB_SUPPORT_ACTIVE =
-    'border-transparent bg-[color-mix(in_srgb,#d3869b_18%,transparent)] text-[var(--chrome-fg)]';
+    'border-transparent bg-[color-mix(in_srgb,var(--color-brand)_18%,transparent)] text-[var(--chrome-fg)]';
   const TAB_LICENSE_ACTIVE =
     'border-transparent bg-[color-mix(in_srgb,#83a598_18%,transparent)] text-[var(--chrome-fg)]';
 
diff --git a/frontend/src/ui/Panel.jsx b/frontend/src/ui/Panel.jsx
index 9f43c170..ed79de07 100644
--- a/frontend/src/ui/Panel.jsx
+++ b/frontend/src/ui/Panel.jsx
@@ -15,11 +15,11 @@ import { Card } from '@/components/ui/card';
 
 const VARIANT = {
   // glass: surface (gradients + backdrop-filter) + ::before stay in residual.css.
-  glass: 'border border-[var(--color-border-warm)]',
+  glass: 'border border-transparent',
   solid:
-    'border border-[var(--color-border-warm)] ' +
+    'border border-transparent ' +
     '[background-image:linear-gradient(160deg,#2a2624_0%,#201c1b_100%)] [box-shadow:var(--shadow-md)]',
-  flat: 'border border-[var(--color-border)] [background-color:rgba(0,0,0,0.08)]',
+  flat: 'border border-transparent [background-color:rgba(0,0,0,0.08)]',
 };
 
 const PAD = {
@@ -72,7 +72,7 @@ const Panel = forwardRef(function Panel(
     <Card asChild className={classes}>
       <Tag ref={ref} {...rest}>
         {hasHeader && (
-          <header className="ui-panel__header flex items-center justify-between py-[var(--space-4)] px-[var(--space-5)] gap-[var(--space-4)] [border-bottom:1px_solid_var(--color-border)]">
+          <header className="ui-panel__header flex items-center justify-between py-[var(--space-4)] px-[var(--space-5)] gap-[var(--space-4)] [border-bottom:1px_solid_transparent]">
             {title != null && (
               <div className="ui-panel__title flex items-center gap-[var(--space-3)] min-w-0 [font-size:var(--text-md)] font-bold text-fg tracking-[-0.01em]">
                 {title}
diff --git a/frontend/src/ui/Tabs.jsx b/frontend/src/ui/Tabs.jsx
index 5b40d715..18871756 100644
--- a/frontend/src/ui/Tabs.jsx
+++ b/frontend/src/ui/Tabs.jsx
@@ -39,8 +39,8 @@ export default function Tabs({
   // The leading utilities also reset shadcn's list/trigger box-model defaults
   // (h-9, bg-muted, rounded-lg, flex-1, active shadow) back to OmniVoice's.
   const listClass = isPill
-    ? 'h-auto inline-flex shrink-0 gap-[3px] rounded-[var(--chrome-radius-pill)] border border-[var(--chrome-border)] bg-[var(--chrome-bg)] p-[3px]'
-    : 'h-auto inline-flex shrink-0 gap-[var(--space-5)] rounded-none border-0 border-b border-[var(--chrome-border)] bg-transparent p-0';
+    ? 'h-auto inline-flex shrink-0 gap-[3px] rounded-[var(--chrome-radius-pill)] border border-transparent bg-[var(--chrome-bg)] p-[3px]'
+    : 'h-auto inline-flex shrink-0 gap-[var(--space-5)] rounded-none border-0 border-b border-transparent bg-transparent p-0';
 
   return (
     <ShadcnTabs
diff --git a/tests/test_no_literal_borders.py b/tests/test_no_literal_borders.py
index f3a14cf2..772ac76d 100644
--- a/tests/test_no_literal_borders.py
+++ b/tests/test_no_literal_borders.py
@@ -15,13 +15,21 @@ reach:
      arbitrary utilities, in ``*.jsx`` / ``*.tsx``.
   3. Inline ``style={{ borderColor: … }}`` (non-transparent) in ``*.jsx`` /
      ``*.tsx``.
+  4. Token-based STRUCTURAL border utilities in ``*.jsx`` / ``*.tsx`` —
+     ``border[-trbl]-[var(--chrome-border…)]`` and ``…-[var(--color-border…)]``
+     (incl. ``-strong`` / ``-warm``). These render a hairline the moment the
+     ``--*-border`` token doesn't resolve transparent (a theme re-declare, or a
+     bare ``border`` with no color under Tailwind v4's currentColor default), so
+     the panel/aside/card/row frames were physically removed and converted to
+     ``border-transparent``. This catches their reappearance.
 
 It deliberately does NOT flag: ``:focus-visible`` / ring rules, the
 ``--color-ring`` / ``--focus-ring`` focus tokens, ``border-transparent`` /
-``border-0``, ``var(--…)``-driven borders (the ``--*-border`` tokens are zeroed
-centrally; accent/severity token borders are intentional semantic state cues),
-or colored non-neutral literal CSS borders kept as functional editor / severity
-affordances (e.g. the waveform segment editor).
+``border-0``; the intentional ``--chrome-accent-border`` accent state cue and
+severity token borders; the ``border-border`` / ``border-input`` design-system
+aliases (also zeroed) and the arbitrary ``[border:…var(--…-border)…]`` property
+form; the dashed drop-zone affordance; or borders kept in the functional
+waveform / segment editor and shadcn form-control primitives (allowlisted).
 """
 import re
 from pathlib import Path
@@ -53,6 +61,30 @@ _JSX_BORDER_UTIL = re.compile(
 # ── 3) Inline borderColor (non-transparent) ──────────────────────────────────
 _JSX_BORDERCOLOR = re.compile(r"borderColor\s*:")
 
+# ── 4) Token-based structural border utilities in JSX/TSX ────────────────────
+# `border[-trbl]-[var(--chrome-border…)]` / `…-[var(--color-border…)]` (any
+# direction, incl. `-strong` / `-warm`, and any variant prefix). NOT matched:
+# `--chrome-accent-border` (intentional accent state cue) — the char after
+# `--chrome-`/`--color-` must be `border`.
+_JSX_TOKEN_BORDER = re.compile(
+    r"border(?:-[trblxy])?-\[var\(--(?:chrome|color)-border",
+)
+
+# Functional-affordance files whose remaining borders are intentional and must
+# NOT be stripped: the waveform / segment editor (selection ring, drag handles,
+# segment boundaries) and the shadcn form-control primitives (the border IS the
+# control's own outline — removing it makes the field invisible).
+_BORDER_ALLOW = {
+    "components/AudioTrimmer.jsx",
+    "components/WaveformPlayer.jsx",
+    "components/SegmentTrack.jsx",
+    "components/ui/input.tsx",
+    "components/ui/textarea.tsx",
+    "components/ui/select.tsx",
+    "components/ui/slider.tsx",
+    "components/ui/table.tsx",
+}
+
 
 def _iter_frontend_files(suffixes):
     for p in _SRC.rglob("*"):
@@ -101,6 +133,25 @@ def test_no_inline_border_color_in_jsx():
     )
 
 
+def test_no_token_border_utilities_in_jsx():
+    offenders = []
+    for p in _iter_frontend_files({".jsx", ".tsx"}):
+        if p.relative_to(_SRC).as_posix() in _BORDER_ALLOW:
+            continue
+        for i, line in enumerate(p.read_text().splitlines(), 1):
+            if _JSX_TOKEN_BORDER.search(line):
+                offenders.append(f"{p.relative_to(_REPO)}:{i}: {line.strip()[:120]}")
+    assert not offenders, (
+        "Token-based structural border utilities reappeared. A "
+        "`border-[var(--chrome-border…)]` / `border-[var(--color-border…)]` "
+        "renders a stray frame the moment the token isn't transparent. Drop the "
+        "border or use `border-transparent` (keep the width to suppress the "
+        "no-Preflight UA border); convey active/selected state with a background "
+        "tint (`--chrome-accent-bg` / `--chrome-hover-bg` / `--color-bg-elev-*`)."
+        "\n" + "\n".join(offenders)
+    )
+
+
 def test_focus_indicators_are_preserved():
     """Regression guard: the border removal must not strip focus a11y."""
     css = _INDEX_CSS.read_text()