UI/UX redesign: unified refined-glass design system

- Add shared UI primitives: Button, Field/Input/Select, PageHeader,
  Section, Callout, Tabs, Disclosure
- Replace gradient buttons with single blue-accent btn-primary
- Reserve gradient text for the brand wordmark only
- Rework Scanner page onto the glass system; collapse explainer and
  glossary into a disclosure, move filters into a glass toolbar
- Restructure Ticker Detail into tabs (Analysis / Indicators / S/R)
  with chart and recommendation always visible
- Align Watchlist, Rankings, Admin, Login/Register to shared primitives
- Unify stray indigo/violet/gray accents into the blue family

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

frontend/src/components/admin/JobControls.tsx

@@ -188,7 +188,7 @@ export function JobControls() {
                 type="button"
                 onClick={() => triggerJob.mutate(job.name)}
                 disabled={triggerJob.isPending || !job.enabled || anyJobRunning}
-                className="btn-gradient px-3 py-1.5 text-xs disabled:opacity-50 disabled:cursor-not-allowed"
+                className="btn-primary px-3 py-1.5 text-xs disabled:opacity-50 disabled:cursor-not-allowed"
               >
                 <span>
                   {job.running

frontend/src/components/admin/RecommendationSettings.tsx

@@ -89,7 +89,7 @@ export function RecommendationSettings() {
       </div>
 
       <div className="flex items-center gap-2">
-        <button className="btn-gradient px-4 py-2 text-sm" onClick={onSave} disabled={update.isPending}>
+        <button className="btn-primary px-4 py-2 text-sm" onClick={onSave} disabled={update.isPending}>
           {update.isPending ? 'Saving…' : 'Save Configuration'}
         </button>
         <button className="px-4 py-2 text-sm rounded border border-white/[0.1] text-gray-300 hover:text-white" onClick={onReset} disabled={update.isPending}>

frontend/src/components/admin/SettingsForm.tsx

@@ -43,8 +43,8 @@ export function SettingsForm() {
               type="button"
               onClick={() => handleToggleRegistration(setting.value)}
               disabled={updateSetting.isPending}
-              className={`relative inline-flex h-6 w-11 shrink-0 cursor-pointer rounded-full border-2 border-transparent transition-colors duration-200 focus:outline-none focus:ring-2 focus:ring-indigo-500 focus:ring-offset-2 focus:ring-offset-[#0a0e1a] disabled:opacity-50 ${
-                setting.value === 'true' ? 'bg-gradient-to-r from-blue-600 to-indigo-600' : 'bg-white/[0.1]'
+              className={`relative inline-flex h-6 w-11 shrink-0 cursor-pointer rounded-full border-2 border-transparent transition-colors duration-200 focus:outline-none focus:ring-2 focus:ring-blue-500 focus:ring-offset-2 focus:ring-offset-[#0a0e1a] disabled:opacity-50 ${
+                setting.value === 'true' ? 'bg-gradient-to-r from-blue-600 to-sky-500' : 'bg-white/[0.1]'
               }`}
               role="switch"
               aria-checked={setting.value === 'true'}
@@ -64,7 +64,7 @@ export function SettingsForm() {
                 <button
                   onClick={() => handleSave(setting.key)}
                   disabled={updateSetting.isPending}
-                  className="btn-gradient px-3 py-2 text-xs disabled:opacity-50 disabled:cursor-not-allowed"
+                  className="btn-primary px-3 py-2 text-xs disabled:opacity-50 disabled:cursor-not-allowed"
                 >
                   <span>{updateSetting.isPending ? 'Saving…' : 'Save'}</span>
                 </button>

frontend/src/components/admin/TickerManagement.tsx

@@ -36,7 +36,7 @@ export function TickerManagement() {
         <button
           type="submit"
           disabled={addTicker.isPending || !newSymbol.trim()}
-          className="btn-gradient px-4 py-2.5 text-sm disabled:opacity-50 disabled:cursor-not-allowed"
+          className="btn-primary px-4 py-2.5 text-sm disabled:opacity-50 disabled:cursor-not-allowed"
         >
           <span>{addTicker.isPending ? 'Adding…' : 'Add Ticker'}</span>
         </button>

frontend/src/components/admin/TickerUniverseBootstrap.tsx

@@ -78,7 +78,7 @@ export function TickerUniverseBootstrap() {
 
       <div className="flex flex-wrap gap-2">
         <button
-          className="btn-gradient px-4 py-2 text-sm disabled:opacity-50"
+          className="btn-primary px-4 py-2 text-sm disabled:opacity-50"
           onClick={onSaveDefault}
           disabled={isLoading || updateDefault.isPending || bootstrap.isPending}
         >

frontend/src/components/admin/UserTable.tsx

@@ -64,7 +64,7 @@ export function UserTable() {
           Access
         </label>
         <button type="submit" disabled={createUser.isPending || !newUsername.trim() || !newPassword.trim()}
-          className="btn-gradient px-4 py-2 text-sm disabled:opacity-50 disabled:cursor-not-allowed">
+          className="btn-primary px-4 py-2 text-sm disabled:opacity-50 disabled:cursor-not-allowed">
           <span>{createUser.isPending ? 'Creating…' : 'Create User'}</span>
         </button>
       </form>
@@ -103,7 +103,7 @@ export function UserTable() {
                             placeholder="new password" className="w-32 input-glass px-2 py-1 text-xs" />
                           <button onClick={() => handleResetPassword(user.id)}
                             disabled={resetPassword.isPending || !resetPw.trim()}
-                            className="btn-gradient px-2 py-1 text-xs disabled:opacity-50">
+                            className="btn-primary px-2 py-1 text-xs disabled:opacity-50">
                             <span>Save</span>
                           </button>
                           <button onClick={() => { setResetTarget(null); setResetPw(''); }}

frontend/src/components/rankings/WeightsForm.tsx

@@ -52,7 +52,7 @@ export function WeightsForm({ weights }: WeightsFormProps) {
                 step={1}
                 value={sliderValues[key] ?? 0}
                 onChange={(e) => handleChange(key, e.target.value)}
-                className="h-2 w-full cursor-pointer appearance-none rounded-lg bg-gray-700 accent-indigo-500"
+                className="h-2 w-full cursor-pointer appearance-none rounded-lg bg-gray-700 accent-blue-500"
               />
               <span className="min-w-[2ch] text-right text-sm font-medium text-gray-300">
                 {sliderValues[key] ?? 0}
@@ -69,7 +69,7 @@ export function WeightsForm({ weights }: WeightsFormProps) {
       <button
         type="submit"
         disabled={updateWeights.isPending || allZero}
-        className="mt-4 btn-gradient px-4 py-2 text-sm disabled:opacity-50"
+        className="mt-4 btn-primary px-4 py-2 text-sm disabled:opacity-50"
       >
         <span>{updateWeights.isPending ? 'Updating…' : 'Update Weights'}</span>
       </button>

frontend/src/components/scanner/TradeTable.tsx

@@ -104,7 +104,7 @@ export function TradeTable({ trades, sortColumn, sortDirection, onSort }: TradeT
                 </td>
                 <td className="px-4 py-3.5">
                   <div className="space-y-0.5">
-                    <span className="text-xs font-semibold text-indigo-300">{recommendationActionLabel(trade.recommended_action)}</span>
+                    <span className="text-xs font-semibold text-blue-300">{recommendationActionLabel(trade.recommended_action)}</span>
                     {recommendationActionDirection(trade.recommended_action) !== 'neutral' && recommendationActionDirection(trade.recommended_action) !== trade.direction && (
                       <div className="text-[10px] text-amber-400">Alternative setup (not preferred)</div>
                     )}

frontend/src/components/ticker/RecommendationPanel.tsx

@@ -127,7 +127,7 @@ export function RecommendationPanel({ symbol, longSetup, shortSetup }: Recommend
       <h2 className="mb-3 text-xs font-medium uppercase tracking-widest text-gray-500">Recommendation</h2>
       <div className="glass p-5 space-y-4">
         <div className="flex flex-wrap items-center gap-4">
-          <span className="text-sm font-semibold text-indigo-300">{recommendationActionLabel(action)}</span>
+          <span className="text-sm font-semibold text-blue-300">{recommendationActionLabel(action)}</span>
           <span className={`text-sm font-semibold ${riskClass(summary?.risk_level ?? null)}`}>
             Risk: {summary?.risk_level ?? '—'}
           </span>

frontend/src/components/ui/Badge.tsx

@@ -1,6 +1,6 @@
 const variantStyles: Record<string, string> = {
   auto: 'bg-blue-500/15 text-blue-400 border-blue-500/20',
-  manual: 'bg-violet-500/15 text-violet-400 border-violet-500/20',
+  manual: 'bg-sky-500/15 text-sky-400 border-sky-500/20',
   default: 'bg-white/[0.06] text-gray-400 border-white/[0.08]',
 };
 

frontend/src/components/ui/Button.tsx

@@ -0,0 +1,54 @@
+import type { ButtonHTMLAttributes, ReactNode } from 'react';
+
+type Variant = 'primary' | 'ghost' | 'danger';
+type Size = 'sm' | 'md';
+
+const variantClasses: Record<Variant, string> = {
+  primary: 'btn-primary',
+  ghost:
+    'border border-white/[0.08] bg-white/[0.03] text-gray-300 hover:bg-white/[0.07] hover:text-gray-100 rounded-lg',
+  danger:
+    'border border-red-500/30 bg-red-500/10 text-red-400 hover:bg-red-500/20 rounded-lg',
+};
+
+const sizeClasses: Record<Size, string> = {
+  sm: 'px-3 py-1.5 text-xs',
+  md: 'px-4 py-2 text-sm',
+};
+
+export function Spinner({ className = 'h-4 w-4' }: { className?: string }) {
+  return (
+    <svg className={`animate-spin ${className}`} viewBox="0 0 24 24" fill="none" aria-hidden="true">
+      <circle className="opacity-25" cx="12" cy="12" r="10" stroke="currentColor" strokeWidth="4" />
+      <path className="opacity-75" fill="currentColor" d="M4 12a8 8 0 018-8V0C5.373 0 0 5.373 0 12h4z" />
+    </svg>
+  );
+}
+
+interface ButtonProps extends ButtonHTMLAttributes<HTMLButtonElement> {
+  variant?: Variant;
+  size?: Size;
+  loading?: boolean;
+  children: ReactNode;
+}
+
+export function Button({
+  variant = 'primary',
+  size = 'md',
+  loading = false,
+  disabled,
+  className = '',
+  children,
+  ...rest
+}: ButtonProps) {
+  return (
+    <button
+      disabled={disabled || loading}
+      className={`inline-flex items-center justify-center gap-2 font-medium transition-all duration-200 disabled:opacity-50 disabled:cursor-not-allowed ${variantClasses[variant]} ${sizeClasses[size]} ${className}`}
+      {...rest}
+    >
+      {loading && <Spinner />}
+      {children}
+    </button>
+  );
+}

frontend/src/components/ui/Callout.tsx

@@ -0,0 +1,33 @@
+import type { ReactNode } from 'react';
+
+type Variant = 'info' | 'warning' | 'error' | 'empty';
+
+const variantClasses: Record<Variant, string> = {
+  info: 'border-blue-500/20 bg-blue-500/10 text-blue-300',
+  warning: 'border-amber-500/20 bg-amber-500/10 text-amber-300',
+  error: 'border-red-500/20 bg-red-500/10 text-red-400',
+  empty: 'border-white/[0.06] bg-white/[0.02] text-gray-400 py-8 text-center',
+};
+
+interface CalloutProps {
+  variant?: Variant;
+  children: ReactNode;
+  onRetry?: () => void;
+}
+
+/** Standard inline message box for info banners, errors, and empty states. */
+export function Callout({ variant = 'info', children, onRetry }: CalloutProps) {
+  return (
+    <div className={`rounded-xl border px-4 py-3 text-sm ${variantClasses[variant]}`}>
+      {children}
+      {onRetry && (
+        <button
+          onClick={onRetry}
+          className="mt-2 block text-xs font-medium underline opacity-80 hover:opacity-100"
+        >
+          Retry
+        </button>
+      )}
+    </div>
+  );
+}

frontend/src/components/ui/Disclosure.tsx

@@ -0,0 +1,19 @@
+import type { ReactNode } from 'react';
+
+interface DisclosureProps {
+  summary: string;
+  children: ReactNode;
+}
+
+/** Collapsible help/explainer block — keeps secondary content out of the way. */
+export function Disclosure({ summary, children }: DisclosureProps) {
+  return (
+    <details className="glass-sm group">
+      <summary className="flex cursor-pointer select-none items-center gap-2 px-4 py-2.5 text-xs font-medium text-gray-400 transition-colors hover:text-gray-200 [&::-webkit-details-marker]:hidden">
+        <span className="inline-block transition-transform duration-200 group-open:rotate-90">▸</span>
+        {summary}
+      </summary>
+      <div className="px-4 pb-4 pt-1 text-sm text-gray-300">{children}</div>
+    </details>
+  );
+}

frontend/src/components/ui/Field.tsx

@@ -0,0 +1,31 @@
+import type { InputHTMLAttributes, ReactNode, SelectHTMLAttributes } from 'react';
+
+interface FieldProps {
+  label: string;
+  htmlFor?: string;
+  children: ReactNode;
+}
+
+/** Labeled form control wrapper for filter bars and forms. */
+export function Field({ label, htmlFor, children }: FieldProps) {
+  return (
+    <div>
+      <label htmlFor={htmlFor} className="mb-1 block text-xs text-gray-400">
+        {label}
+      </label>
+      {children}
+    </div>
+  );
+}
+
+export function Input({ className = '', ...rest }: InputHTMLAttributes<HTMLInputElement>) {
+  return <input className={`input-glass px-3 py-1.5 text-sm ${className}`} {...rest} />;
+}
+
+export function Select({ className = '', children, ...rest }: SelectHTMLAttributes<HTMLSelectElement>) {
+  return (
+    <select className={`input-glass px-3 py-1.5 text-sm [&>option]:bg-[#0d1322] ${className}`} {...rest}>
+      {children}
+    </select>
+  );
+}

frontend/src/components/ui/PageHeader.tsx

@@ -0,0 +1,20 @@
+import type { ReactNode } from 'react';
+
+interface PageHeaderProps {
+  title: string;
+  subtitle?: string;
+  actions?: ReactNode;
+}
+
+/** Standard page heading: plain title, muted subtitle, actions on the right. */
+export function PageHeader({ title, subtitle, actions }: PageHeaderProps) {
+  return (
+    <div className="flex flex-wrap items-center justify-between gap-4">
+      <div>
+        <h1 className="text-2xl font-semibold text-gray-100">{title}</h1>
+        {subtitle && <p className="mt-1 text-xs text-gray-500">{subtitle}</p>}
+      </div>
+      {actions && <div className="flex items-center gap-2">{actions}</div>}
+    </div>
+  );
+}

frontend/src/components/ui/Section.tsx

@@ -0,0 +1,20 @@
+import type { ReactNode } from 'react';
+
+interface SectionProps {
+  title: string;
+  hint?: string;
+  children: ReactNode;
+}
+
+/** Content section with the standard uppercase tracking label. */
+export function Section({ title, hint, children }: SectionProps) {
+  return (
+    <section>
+      <h2 className="mb-3 text-xs font-medium uppercase tracking-widest text-gray-500">
+        {title}
+        {hint && <span className="ml-2 normal-case tracking-normal text-gray-600">{hint}</span>}
+      </h2>
+      {children}
+    </section>
+  );
+}

frontend/src/components/ui/Tabs.tsx

@@ -0,0 +1,28 @@
+interface TabsProps<T extends string> {
+  tabs: readonly T[];
+  active: T;
+  onChange: (tab: T) => void;
+}
+
+/** Glass pill tab bar. */
+export function Tabs<T extends string>({ tabs, active, onChange }: TabsProps<T>) {
+  return (
+    <div className="glass-sm flex w-fit gap-1 p-1" role="tablist">
+      {tabs.map((tab) => (
+        <button
+          key={tab}
+          role="tab"
+          aria-selected={active === tab}
+          onClick={() => onChange(tab)}
+          className={`rounded-lg px-4 py-2 text-sm font-medium transition-all duration-200 ${
+            active === tab
+              ? 'bg-white/[0.1] text-white shadow-lg shadow-blue-500/10'
+              : 'text-gray-400 hover:bg-white/[0.04] hover:text-gray-200'
+          }`}
+        >
+          {tab}
+        </button>
+      ))}
+    </div>
+  );
+}

frontend/src/components/watchlist/AddTickerForm.tsx

@@ -24,7 +24,7 @@ export function AddTickerForm() {
       <button
         type="submit"
         disabled={addMutation.isPending || !symbol.trim()}
-        className="btn-gradient px-4 py-2 text-sm disabled:opacity-50 disabled:cursor-not-allowed"
+        className="btn-primary px-4 py-2 text-sm disabled:opacity-50 disabled:cursor-not-allowed"
       >
         <span>{addMutation.isPending ? 'Adding…' : 'Add'}</span>
       </button>