fix(ranking): refine responsive toolbar layout

web/src/components/ui/Select.tsx

@@ -16,6 +16,7 @@ import styles from './Select.module.scss';
 export interface SelectOption {
   value: string;
   label: string;
+  triggerLabel?: string;
   suffix?: ReactNode;
   suffixAriaLabel?: string;
   disabled?: boolean;
@@ -198,7 +199,7 @@ export function Select({
         ? selectedIndex
         : firstEnabledIndex;
   const selected = selectedIndex >= 0 ? options[selectedIndex] : undefined;
-  const displayText = selected?.label ?? placeholder ?? '';
+  const displayText = selected?.triggerLabel ?? selected?.label ?? placeholder ?? '';
   const isPlaceholder = !selected && placeholder;
 
   const commitSelection = useCallback(

web/src/features/ranking/RankingPage.module.scss

@@ -892,13 +892,12 @@
 
 @mixin ranking-header-stacked {
   .leaderboardHeader {
-    grid-template-columns: minmax(0, 1fr);
+    grid-template-columns: minmax(0, 1fr) auto;
     grid-template-areas:
-      'title'
-      'toolbar'
-      'profile';
+      'title title'
+      'toolbar profile';
     align-items: stretch;
-    column-gap: 0;
+    column-gap: 12px;
     row-gap: 14px;
     padding: 0;
   }
@@ -921,36 +920,43 @@
   }
 
   .leaderboardHeaderActions {
-    justify-content: center;
-    justify-self: center;
+    align-self: center;
+    justify-content: flex-end;
+    justify-self: end;
     max-width: 100%;
     width: auto;
     margin-right: 0;
   }
 
-  .profileActionShell,
-  .profileActionShellActive {
-    max-width: 100%;
-  }
-
   .toolbar {
-    display: grid;
-    grid-template-columns: minmax(0, 1fr);
+    display: flex;
+    justify-content: flex-start;
     width: 100%;
+    max-width: 100%;
+    padding: 4px;
+    overflow-x: auto;
+    overflow-y: hidden;
+    overscroll-behavior-inline: contain;
+    scrollbar-width: none;
+    -webkit-overflow-scrolling: touch;
+
+    &::-webkit-scrollbar {
+      display: none;
+    }
   }
 
   .periods {
     display: grid;
-    grid-template-columns: repeat(4, minmax(0, 1fr));
-    width: 100%;
-  }
-
-  .periodButton {
-    padding-inline: 6px;
+    grid-template-columns: repeat(4, max-content);
+    flex: 0 0 auto;
+    width: max-content;
+    margin-left: auto;
   }
 
   .metricControl {
-    width: 100%;
+    flex: 0 0 168px;
+    width: 168px;
+    margin-right: auto;
   }
 }
 
@@ -961,6 +967,24 @@
 @include mobile {
   @include ranking-header-stacked;
 
+  .profileActionShell {
+    max-width: 160px;
+  }
+
+  .profileActionShellActive {
+    flex: 0 0 42px;
+    width: 42px;
+  }
+
+  .profileActionShellActive :global(.main-action-button) {
+    width: 32px;
+    padding-inline: 5px;
+  }
+
+  .profileActionName {
+    display: none;
+  }
+
   .profileModal :global(.modal-body) {
     max-height: min(60dvh, calc(100dvh - 180px));
     overflow: auto;

web/src/features/ranking/RankingPage.tsx

@@ -594,6 +594,7 @@ function LeaderboardCard({
   const podium = rows.slice(0, 3);
   const tableRows = rows;
   const scoreExplanation = resolveScoreExplanation(board, metric, language);
+  const hasRankingProfile = status?.status === 'active' || status?.status === 'paused';
   return (
     <article className={`card ${styles.leaderboardCard}`.trim()} aria-busy={loading}>
       <header className={styles.leaderboardHeader}>
@@ -644,12 +645,13 @@ function LeaderboardCard({
           data-ranking-profile-action-shell
         >
           <MainActionButton
-            shellClassName={`${styles.profileActionShell} ${status?.status === 'active' || status?.status === 'paused' ? styles.profileActionShellActive : ''}`.trim()}
+            shellClassName={`${styles.profileActionShell} ${hasRankingProfile ? styles.profileActionShellActive : ''}`.trim()}
             onClick={onOpenProfile}
             disabled={statusLoading && !status}
+            aria-label={hasRankingProfile ? t('ranking.profile_action') : undefined}
             data-ranking-profile-action
           >
-            {status?.status === 'active' || status?.status === 'paused' ? (
+            {hasRankingProfile ? (
               <>
                 <RankingAvatar avatarID={status.avatar_id ?? 1} name={status.display_name ?? ''} className={styles.profileActionAvatar} decorative />
                 <span className={styles.profileActionName} data-ranking-profile-name>{status.display_name || t('ranking.profile_action')}</span>

web/src/features/ranking/components/RankingToolbar.tsx

@@ -11,15 +11,16 @@ const PERIODS: ReadonlyArray<{ value: RankingPeriod; labelKey: string }> = [
   { value: 'previous_month', labelKey: 'ranking.period_previous_month' },
 ];
 
-const METRICS: ReadonlyArray<{ value: RankingMetric; labelKey: string }> = [
-  { value: 'overall', labelKey: 'ranking.metric_overall' },
-  { value: 'total_tokens', labelKey: 'ranking.metric_total_tokens' },
-  { value: 'request_count', labelKey: 'ranking.metric_request_count' },
-  { value: 'cache_read_rate', labelKey: 'ranking.metric_cache_read_rate' },
-  { value: 'ttft_average', labelKey: 'ranking.metric_ttft_average' },
-  { value: 'latency_average', labelKey: 'ranking.metric_latency_average' },
-  { value: 'peak_tpm', labelKey: 'ranking.metric_peak_tpm' },
-  { value: 'peak_rpm', labelKey: 'ranking.metric_peak_rpm' },
+// 触发器保持短名称，展开菜单保留完整指标语义。
+const METRICS: ReadonlyArray<{ value: RankingMetric; labelKey: string; triggerLabelKey: string }> = [
+  { value: 'overall', labelKey: 'ranking.metric_overall', triggerLabelKey: 'ranking.metric_overall' },
+  { value: 'total_tokens', labelKey: 'ranking.metric_total_tokens', triggerLabelKey: 'ranking.metric_short_total_tokens' },
+  { value: 'request_count', labelKey: 'ranking.metric_request_count', triggerLabelKey: 'ranking.metric_short_request_count' },
+  { value: 'cache_read_rate', labelKey: 'ranking.metric_cache_read_rate', triggerLabelKey: 'ranking.metric_short_cache_read_rate' },
+  { value: 'ttft_average', labelKey: 'ranking.metric_ttft_average', triggerLabelKey: 'ranking.metric_short_ttft_average' },
+  { value: 'latency_average', labelKey: 'ranking.metric_latency_average', triggerLabelKey: 'ranking.metric_short_latency_average' },
+  { value: 'peak_tpm', labelKey: 'ranking.metric_peak_tpm', triggerLabelKey: 'ranking.metric_short_peak_tpm' },
+  { value: 'peak_rpm', labelKey: 'ranking.metric_peak_rpm', triggerLabelKey: 'ranking.metric_short_peak_rpm' },
 ];
 
 export interface RankingToolbarProps {
@@ -37,7 +38,11 @@ export function RankingToolbar({
 }: RankingToolbarProps) {
   const { t } = useTranslation();
   const metricOptions = useMemo(
-    () => METRICS.map((option) => ({ value: option.value, label: t(option.labelKey) })),
+    () => METRICS.map((option) => ({
+      value: option.value,
+      label: t(option.labelKey),
+      triggerLabel: t(option.triggerLabelKey),
+    })),
     [t],
   );
 
@@ -64,7 +69,7 @@ export function RankingToolbar({
       </div>
       <div className={styles.metricControl} data-ranking-metric>
         <span className={styles.metricWidthSizer} aria-hidden="true" data-ranking-metric-sizer>
-          {metricOptions.map((option) => <span key={option.value}>{option.label}</span>)}
+          {metricOptions.map((option) => <span key={option.value}>{option.triggerLabel}</span>)}
         </span>
         <Select
           value={metric}

web/src/features/ranking/components/test/RankingToolbar.test.tsx

@@ -9,9 +9,13 @@ globalThis.IS_REACT_ACT_ENVIRONMENT = true;
 
 vi.mock('react-i18next', () => ({
   useTranslation: () => ({
-    t: (key: string) => key === 'ranking.metric_ttft_average'
-      ? 'This is the longest translated ranking metric'
-      : key,
+    t: (key: string) => {
+      if (key === 'ranking.metric_ttft_average') {
+        return 'This is the longest translated ranking metric';
+      }
+      if (key === 'ranking.metric_short_ttft_average') return 'TTFT';
+      return key;
+    },
   }),
 }));
 
@@ -35,7 +39,7 @@ describe('RankingToolbar', () => {
     act(() => root.render(
       <RankingToolbar
         period="today"
-        metric="overall"
+        metric="ttft_average"
         onPeriodChange={onPeriodChange}
         onMetricChange={vi.fn()}
       />,
@@ -49,12 +53,16 @@ describe('RankingToolbar', () => {
 
     const metricTrigger = container.querySelector<HTMLButtonElement>('[data-ranking-metric] button');
     expect(metricTrigger).not.toBeNull();
-    expect(metricTrigger?.textContent).toContain('ranking.metric_overall');
+    expect(metricTrigger?.textContent).toContain('TTFT');
+    expect(metricTrigger?.textContent).not.toContain('This is the longest translated ranking metric');
     const metricSizer = container.querySelector('[data-ranking-metric-sizer]');
     expect(metricSizer?.querySelectorAll('span')).toHaveLength(8);
-    expect(metricSizer?.textContent).toContain('This is the longest translated ranking metric');
+    expect(metricSizer?.textContent).toContain('TTFT');
+    expect(metricSizer?.textContent).not.toContain('This is the longest translated ranking metric');
     act(() => metricTrigger?.click());
-    expect(document.querySelector<HTMLElement>('[role="listbox"]')?.style.width).toBe('260px');
+    const listbox = document.querySelector<HTMLElement>('[role="listbox"]');
+    expect(listbox?.textContent).toContain('This is the longest translated ranking metric');
+    expect(listbox?.style.width).toBe('260px');
     expect(periodGroup?.compareDocumentPosition(container.querySelector('[data-ranking-metric]') as Node) & Node.DOCUMENT_POSITION_FOLLOWING)
       .toBeTruthy();
   });

web/src/features/ranking/test/RankingPage.styles.test.ts

@@ -143,7 +143,7 @@ describe('Ranking table context styles', () => {
     expect(rule('.toolbar')).toContain('row-gap: 10px;');
   });
 
-  it('keeps long titles on one line and reflows the header when the card narrows', () => {
+  it('keeps long titles on one line and reflows narrow-card filters into one scrollable row', () => {
     const card = rule('.leaderboardCard:global(.card)');
     const title = rule('.leaderboardTitle :global(.keeper-card-title)');
     const stackedStart = styles.indexOf('@mixin ranking-header-stacked');
@@ -158,9 +158,22 @@ describe('Ranking table context styles', () => {
     expect(title).toContain('white-space: nowrap;');
     expect(title).toContain('overflow: hidden;');
     expect(title).toContain('text-overflow: ellipsis;');
-    expect(stacked).toContain("grid-template-areas:\n      'title'\n      'toolbar'\n      'profile';");
+    expect(stacked).toMatch(
+      /\.leaderboardHeader\s*\{[\s\S]*?grid-template-columns:\s*minmax\(0, 1fr\) auto;[\s\S]*?'title title'[\s\S]*?'toolbar profile';/,
+    );
     expect(stacked).toMatch(/\.leaderboardHeaderToolbar\s*\{[\s\S]*?justify-self:\s*stretch;/);
-    expect(stacked).toMatch(/\.toolbar\s*\{[\s\S]*?grid-template-columns:\s*minmax\(0, 1fr\);/);
+    expect(stacked).toMatch(
+      /\.leaderboardHeaderActions\s*\{[\s\S]*?justify-content:\s*flex-end;[\s\S]*?justify-self:\s*end;[\s\S]*?margin-right:\s*0;/,
+    );
+    expect(stacked).toMatch(
+      /\.toolbar\s*\{[\s\S]*?display:\s*flex;[\s\S]*?padding:\s*4px;[\s\S]*?overflow-x:\s*auto;[\s\S]*?scrollbar-width:\s*none;/,
+    );
+    expect(stacked).toMatch(
+      /\.periods\s*\{[\s\S]*?grid-template-columns:\s*repeat\(4, max-content\);[\s\S]*?width:\s*max-content;/,
+    );
+    expect(stacked).toMatch(
+      /\.metricControl\s*\{[\s\S]*?flex:\s*0 0 168px;[\s\S]*?width:\s*168px;/,
+    );
     expect(container).toContain('@include ranking-header-stacked;');
   });
 
@@ -182,12 +195,14 @@ describe('Ranking table context styles', () => {
     expect(rule('.profileActionAvatar')).toContain('flex: 0 0 22px;');
   });
 
-  it('stacks the header in scan order with compact time text and a centered profile entry on mobile', () => {
+  it('keeps only the active avatar visible on mobile while reusing the narrow-card header layout', () => {
     const mobileStart = styles.indexOf('@include mobile');
     const mobileEnd = styles.indexOf('@media (prefers-reduced-motion', mobileStart);
     const mobile = styles.slice(mobileStart, mobileEnd);
 
     expect(mobile).toContain('@include ranking-header-stacked;');
+    expect(mobile).toMatch(/\.profileActionShellActive\s*\{[\s\S]*?flex:\s*0 0 42px;[\s\S]*?width:\s*42px;/);
+    expect(mobile).toMatch(/\.profileActionName\s*\{[\s\S]*?display:\s*none;/);
   });
 
   it('gives loading, empty, and error content a tall centered viewport', () => {

web/src/features/ranking/test/RankingPage.test.tsx

@@ -148,6 +148,8 @@ describe('RankingPage', () => {
     expect(toolbar?.parentElement).toBe(header);
     expect(profile?.parentElement).toBe(header);
     expect(header?.children).toHaveLength(3);
+    expect(title?.compareDocumentPosition(toolbar as Node) & Node.DOCUMENT_POSITION_FOLLOWING).toBeTruthy();
+    expect(toolbar?.compareDocumentPosition(profile as Node) & Node.DOCUMENT_POSITION_FOLLOWING).toBeTruthy();
     expect(toolbar?.querySelector('[data-ranking-toolbar]')).not.toBeNull();
     expect(header?.querySelector('[data-ranking-periods]')).not.toBeNull();
     expect(header?.querySelector('[data-ranking-metric]')).not.toBeNull();
@@ -226,6 +228,14 @@ describe('RankingPage', () => {
     expect(dialog?.querySelectorAll('[data-ranking-avatar-option]')).toHaveLength(66);
   });
 
+  it('keeps an accessible profile action name when mobile styling leaves only the active avatar visible', async () => {
+    await renderPage({ status: { status: 'active', display_name: 'Owner', avatar_id: 7 } });
+
+    const profileAction = container.querySelector<HTMLButtonElement>('[data-ranking-profile-action]');
+    expect(profileAction?.getAttribute('aria-label')).toBe('ranking.profile_action');
+    expect(profileAction?.querySelector('[data-ranking-profile-name]')?.textContent).toBe('Owner');
+  });
+
   it('keeps a successful leaderboard visible when metadata loading fails', async () => {
     const onRetryMetadata = vi.fn(async () => null);
     await renderPage({