diff --git a/src/components/charts/compliance-charts.tsx b/src/components/charts/compliance-charts.tsx
index 80dca7bc2..9f7255afa 100644
--- a/src/components/charts/compliance-charts.tsx
+++ b/src/components/charts/compliance-charts.tsx
@@ -103,7 +103,7 @@ export function ComplianceCharts({ medications }: ComplianceChartsProps) {
                   type="button"
                   variant={rangePoints === 30 ? "default" : "ghost"}
                   size="sm"
-                  className="h-7 px-2 text-xs"
+                  className="min-h-9 px-2.5 text-xs"
                   onClick={() => setRangePoints(30)}
                   title={t("charts.points30Title")}
                 >
@@ -113,7 +113,7 @@ export function ComplianceCharts({ medications }: ComplianceChartsProps) {
                   type="button"
                   variant={rangePoints === 90 ? "default" : "ghost"}
                   size="sm"
-                  className="h-7 px-2 text-xs"
+                  className="min-h-9 px-2.5 text-xs"
                   onClick={() => setRangePoints(90)}
                   title={t("charts.points90Title")}
                 >
@@ -123,7 +123,7 @@ export function ComplianceCharts({ medications }: ComplianceChartsProps) {
                   type="button"
                   variant={rangePoints === 0 ? "default" : "ghost"}
                   size="sm"
-                  className="h-7 px-2 text-xs"
+                  className="min-h-9 px-2.5 text-xs"
                   onClick={() => setRangePoints(0)}
                   title={t("charts.pointsAllTitle")}
                 >
diff --git a/src/components/charts/compliance-line-chart.tsx b/src/components/charts/compliance-line-chart.tsx
index dab17aaa7..e9863de84 100644
--- a/src/components/charts/compliance-line-chart.tsx
+++ b/src/components/charts/compliance-line-chart.tsx
@@ -73,7 +73,7 @@ export function ComplianceLineChart({
               key={r.label}
               variant={activeRangePoints === r.points ? "default" : "ghost"}
               size="sm"
-              className="h-7 px-2 text-xs"
+              className="min-h-9 px-2.5 text-xs"
               onClick={() => setActiveRangePoints(r.points)}
               title={r.title}
             >
diff --git a/src/components/charts/health-chart.tsx b/src/components/charts/health-chart.tsx
index 7709d3d60..e6346a949 100644
--- a/src/components/charts/health-chart.tsx
+++ b/src/components/charts/health-chart.tsx
@@ -622,7 +622,7 @@ export function HealthChart({
               key={r.labelKey}
               variant={rangePoints === r.points ? "default" : "ghost"}
               size="sm"
-              className="h-7 px-2 text-xs"
+              className="min-h-9 px-2.5 text-xs"
               onClick={() => setRangePoints(r.points)}
               title={t(r.titleKey)}
             >
@@ -638,7 +638,6 @@ export function HealthChart({
             id={maToggleId}
             checked={showMA}
             onCheckedChange={setShowMA}
-            className="scale-75"
           />
           <Label htmlFor={maToggleId} className="cursor-pointer text-xs">
             {t("charts.movingAverage7d")}
@@ -649,7 +648,6 @@ export function HealthChart({
             id={trendToggleId}
             checked={showTrend}
             onCheckedChange={setShowTrend}
-            className="scale-75"
           />
           <Label htmlFor={trendToggleId} className="cursor-pointer text-xs">
             {t("charts.trend")}
@@ -661,7 +659,6 @@ export function HealthChart({
               id={bandsToggleId}
               checked={showBands}
               onCheckedChange={setShowBands}
-              className="scale-75"
             />
             <Label htmlFor={bandsToggleId} className="cursor-pointer text-xs">
               {t("charts.targetRanges")}
diff --git a/src/components/charts/medication-compliance-chart.tsx b/src/components/charts/medication-compliance-chart.tsx
index fcd25a770..a14866eb3 100644
--- a/src/components/charts/medication-compliance-chart.tsx
+++ b/src/components/charts/medication-compliance-chart.tsx
@@ -146,7 +146,7 @@ export function MedicationComplianceChart({
               key={r}
               variant={days === r ? "default" : "ghost"}
               size="sm"
-              className="h-7 px-2 text-xs"
+              className="min-h-9 px-2.5 text-xs"
               onClick={() => setDays(r)}
             >
               {r}T
diff --git a/src/components/charts/mood-chart.tsx b/src/components/charts/mood-chart.tsx
index a7a804a51..b9ad7b1e1 100644
--- a/src/components/charts/mood-chart.tsx
+++ b/src/components/charts/mood-chart.tsx
@@ -182,9 +182,10 @@ export function pickMoodBucket(entries: MoodEntryDay[]): ChartBucketType {
  * Pure & deterministic so the unit test can pin the exact aggregated
  * mean per bucket.
  */
-export function aggregateMoodEntries(
-  entries: MoodEntryDay[],
-): { bucket: ChartBucketType; points: Array<{ timestamp: number; score: number }> } {
+export function aggregateMoodEntries(entries: MoodEntryDay[]): {
+  bucket: ChartBucketType;
+  points: Array<{ timestamp: number; score: number }>;
+} {
   if (entries.length === 0) return { bucket: "day", points: [] };
 
   const bucket = pickMoodBucket(entries);
@@ -255,8 +256,7 @@ export function MoodChart({ title }: MoodChartProps) {
       }))
       .sort((a, b) => a.timestamp - b.timestamp);
 
-    const sliced =
-      rangePoints > 0 ? allPoints.slice(-rangePoints) : allPoints;
+    const sliced = rangePoints > 0 ? allPoints.slice(-rangePoints) : allPoints;
 
     // v1.4.15 Fix 3: parity with health-chart's auto-bucketing. Other
     // dashboard charts (BP, weight, pulse) auto-aggregate to weekly /
@@ -402,7 +402,7 @@ export function MoodChart({ title }: MoodChartProps) {
                 key={r.labelKey}
                 variant={rangePoints === r.points ? "default" : "ghost"}
                 size="sm"
-                className="h-7 px-2 text-xs"
+                className="min-h-9 px-2.5 text-xs"
                 onClick={() => setRangePoints(r.points)}
                 title={t(r.titleKey)}
               >
@@ -417,7 +417,6 @@ export function MoodChart({ title }: MoodChartProps) {
               id={maToggleId}
               checked={showMA}
               onCheckedChange={setShowMA}
-              className="scale-75"
             />
             <Label htmlFor={maToggleId} className="cursor-pointer text-xs">
               {t("charts.moodMA")}
@@ -428,7 +427,6 @@ export function MoodChart({ title }: MoodChartProps) {
               id={trendToggleId}
               checked={showTrend}
               onCheckedChange={setShowTrend}
-              className="scale-75"
             />
             <Label htmlFor={trendToggleId} className="cursor-pointer text-xs">
               {t("charts.trend")}
@@ -439,7 +437,6 @@ export function MoodChart({ title }: MoodChartProps) {
               id={bandsToggleId}
               checked={showBands}
               onCheckedChange={setShowBands}
-              className="scale-75"
             />
             <Label htmlFor={bandsToggleId} className="cursor-pointer text-xs">
               {t("charts.targetRanges")}
diff --git a/src/components/medications/medication-card.tsx b/src/components/medications/medication-card.tsx
index 2e4ef50f8..f7abbabc0 100644
--- a/src/components/medications/medication-card.tsx
+++ b/src/components/medications/medication-card.tsx
@@ -385,25 +385,29 @@ export function MedicationCard({ medication, onEdit }: MedicationCardProps) {
             </div>
           </div>
           <div className="flex items-center gap-0.5">
+            {/* Phase A5: bumped from `h-8 w-8` (32px) to `min-h-11
+                min-w-11` (44px) so these meet the WCAG 2.5.5 minimum
+                tap-target on mobile without the icon glyph itself
+                changing size. */}
             <Button
               variant="ghost"
               size="icon"
-              className="h-8 w-8"
+              className="min-h-11 min-w-11"
               asChild
               aria-label={t("medications.intakeHistory")}
             >
               <Link href={`/medications/${medication.id}/history`}>
-                <History className="h-3.5 w-3.5" />
+                <History className="h-4 w-4" />
               </Link>
             </Button>
             <Button
               variant="ghost"
               size="icon"
-              className="h-8 w-8"
+              className="min-h-11 min-w-11"
               onClick={() => onEdit(medication)}
               aria-label={t("common.edit")}
             >
-              <Pencil className="h-3.5 w-3.5" />
+              <Pencil className="h-4 w-4" />
             </Button>
           </div>
         </div>
@@ -541,32 +545,35 @@ export function MedicationCard({ medication, onEdit }: MedicationCardProps) {
           </div>
         )}
 
-        {/* Quick actions */}
+        {/* Quick actions — primary buttons of the medication card.
+            Phase A5 mobile audit flagged the previous size="sm" / 32-px
+            height as below the WCAG 44-px minimum. These are the most-
+            tapped controls in HealthLog, so they get the full default
+            button height. */}
         {medication.active && (
           <div className="flex gap-2">
             <Button
-              size="sm"
-              className="flex-1"
+              className="min-h-11 flex-1"
               onClick={() => recordIntake(false)}
               disabled={!!intakeLoading}
             >
               {intakeLoading === "take" ? (
-                <Loader2 className="mr-1 h-3.5 w-3.5 animate-spin" />
+                <Loader2 className="mr-1 h-4 w-4 animate-spin" />
               ) : (
-                <Check className="mr-1 h-3.5 w-3.5" />
+                <Check className="mr-1 h-4 w-4" />
               )}
               {t("medications.taken")}
             </Button>
             <Button
-              size="sm"
               variant="outline"
+              className="min-h-11"
               onClick={() => recordIntake(true)}
               disabled={!!intakeLoading}
             >
               {intakeLoading === "skip" ? (
-                <Loader2 className="mr-1 h-3.5 w-3.5 animate-spin" />
+                <Loader2 className="mr-1 h-4 w-4 animate-spin" />
               ) : (
-                <SkipForward className="mr-1 h-3.5 w-3.5" />
+                <SkipForward className="mr-1 h-4 w-4" />
               )}
               {t("medications.skipped")}
             </Button>
diff --git a/src/components/mood/mood-list.tsx b/src/components/mood/mood-list.tsx
index 97eadc3f6..7ea435d95 100644
--- a/src/components/mood/mood-list.tsx
+++ b/src/components/mood/mood-list.tsx
@@ -425,17 +425,23 @@ export function MoodList() {
                     </div>
                   </div>
                   <div className="flex shrink-0 items-center gap-1">
+                    {/* Phase A5 mobile audit: bumped from h-8 w-8 (32px)
+                        to min-h-11 min-w-11 (44px) so the per-row edit
+                        and delete actions meet WCAG 2.5.5 on touch
+                        devices. The desktop table keeps its denser
+                        h-8 w-8 since pointer targets allow it. */}
                     <Button
                       variant="ghost"
                       size="icon"
-                      className="h-8 w-8"
+                      className="min-h-11 min-w-11"
                       onClick={() => startEdit(entry)}
                       aria-label={t("common.edit")}
                     >
-                      <Pencil className="h-3.5 w-3.5" />
+                      <Pencil className="h-4 w-4" />
                     </Button>
                     <DeleteButton
                       onConfirm={() => deleteMutation.mutate(entry.id)}
+                      mobile
                     />
                   </div>
                 </div>
@@ -685,7 +691,13 @@ function SortableHead({
   );
 }
 
-function DeleteButton({ onConfirm }: { onConfirm: () => void }) {
+function DeleteButton({
+  onConfirm,
+  mobile = false,
+}: {
+  onConfirm: () => void;
+  mobile?: boolean;
+}) {
   const { t } = useTranslations();
   return (
     <AlertDialog>
@@ -693,10 +705,14 @@ function DeleteButton({ onConfirm }: { onConfirm: () => void }) {
         <Button
           variant="ghost"
           size="icon"
-          className="text-destructive h-8 w-8"
+          className={
+            mobile
+              ? "text-destructive min-h-11 min-w-11"
+              : "text-destructive h-8 w-8"
+          }
           aria-label={t("common.delete")}
         >
-          <Trash2 className="h-3.5 w-3.5" />
+          <Trash2 className={mobile ? "h-4 w-4" : "h-3.5 w-3.5"} />
         </Button>
       </AlertDialogTrigger>
       <AlertDialogContent>