diff --git a/client/components/MobileTrackerRow.jsx b/client/components/MobileTrackerRow.jsx
index 45c763a..a259257 100644
--- a/client/components/MobileTrackerRow.jsx
+++ b/client/components/MobileTrackerRow.jsx
@@ -108,7 +108,7 @@ function EditableCell({ row, field, threshold, defaultPaymentDate, refresh }) {
         onChange={e => setValue(e.target.value)}
         onBlur={commit}
         onKeyDown={onKeyDown}
-        className="h-7 w-28 text-right font-mono text-sm bg-background/80 border-border/60"
+        className="tracker-number h-7 w-28 text-right text-sm font-medium bg-background/80 border-border/60"
       />
     );
   }
@@ -118,7 +118,7 @@ function EditableCell({ row, field, threshold, defaultPaymentDate, refresh }) {
       onClick={startEdit}
       title={`Click to edit ${field === 'amount' ? 'payment amount' : 'paid date'}`}
       className={cn(
-        'cursor-pointer rounded-md px-1.5 py-0.5 text-sm font-mono',
+        'tracker-number cursor-pointer rounded-md px-1.5 py-0.5 text-sm font-semibold',
         'transition-all duration-150 hover:bg-accent hover:ring-1 hover:ring-border',
         isEmpty   && 'text-muted-foreground',
         mismatch  && 'text-amber-500',
@@ -185,7 +185,7 @@ export const MobileTrackerRow = React.memo(function MobileTrackerRow({ row, year
                 type="button"
                 onClick={() => onEditBill?.(row)}
                 className={cn(
-                  'min-w-0 truncate text-left text-sm font-semibold leading-tight text-foreground',
+                  'min-w-0 truncate text-left text-[15px] font-semibold leading-tight text-foreground',
                   'underline-offset-2 transition-colors hover:text-primary hover:underline',
                   isSkipped && 'line-through',
                 )}
@@ -206,7 +206,7 @@ export const MobileTrackerRow = React.memo(function MobileTrackerRow({ row, year
         <div className="grid grid-cols-2 gap-x-3 gap-y-2 text-xs text-muted-foreground sm:grid-cols-4">
           <div>
             <p className="uppercase tracking-wide text-muted-foreground/60">Due</p>
-            <p className="mt-0.5 font-mono text-sm text-foreground">{fmtDate(row.due_date)}</p>
+            <p className="tracker-number mt-0.5 text-sm font-medium text-foreground/90">{fmtDate(row.due_date)}</p>
           </div>
           <div>
             <p className="uppercase tracking-wide text-muted-foreground/60">Category</p>
@@ -214,13 +214,13 @@ export const MobileTrackerRow = React.memo(function MobileTrackerRow({ row, year
           </div>
           <div>
             <p className="uppercase tracking-wide text-muted-foreground/60">Expected</p>
-            <p className={cn('mt-0.5 font-mono text-sm', row.actual_amount != null ? 'text-amber-500' : 'text-foreground')}>
+            <p className={cn('tracker-number mt-0.5 text-sm font-semibold', row.actual_amount != null ? 'text-amber-300' : 'text-foreground')}>
               {fmt(threshold)}
             </p>
           </div>
           <div>
             <p className="uppercase tracking-wide text-muted-foreground/60">Remaining</p>
-            <p className={cn('mt-0.5 font-mono text-sm', remaining > 0 ? 'text-foreground' : 'text-emerald-500')}>
+            <p className={cn('tracker-number mt-0.5 text-sm font-semibold', remaining > 0 ? 'text-foreground' : 'text-emerald-300')}>
               {fmt(remaining)}
             </p>
           </div>
@@ -230,11 +230,11 @@ export const MobileTrackerRow = React.memo(function MobileTrackerRow({ row, year
           <div className="grid grid-cols-2 gap-2 text-xs sm:flex sm:items-center">
             <div className="rounded-md bg-muted/45 px-2 py-1.5">
               <span className="text-muted-foreground">Paid </span>
-              <span className="font-mono text-emerald-500">{row.total_paid > 0 ? fmt(row.total_paid) : '—'}</span>
+              <span className="tracker-number font-semibold text-emerald-300">{row.total_paid > 0 ? fmt(row.total_paid) : '—'}</span>
             </div>
             <div className="rounded-md bg-muted/45 px-2 py-1.5">
               <span className="text-muted-foreground">Date </span>
-              <span className="font-mono text-foreground">{row.last_paid_date ? fmtDate(row.last_paid_date) : '—'}</span>
+              <span className="tracker-number font-medium text-foreground">{row.last_paid_date ? fmtDate(row.last_paid_date) : '—'}</span>
             </div>
           </div>
 
@@ -245,7 +245,7 @@ export const MobileTrackerRow = React.memo(function MobileTrackerRow({ row, year
                   ref={amountRef}
                   type="number" min="0" step="0.01"
                   defaultValue={threshold}
-                  className="h-8 w-24 text-right font-mono text-sm bg-background/70 border-border/60"
+                  className="tracker-number h-8 w-24 text-right text-sm font-medium bg-background/70 border-border/60"
                   title="Payment amount"
                   aria-label={`${row.name} payment amount`}
                 />
diff --git a/client/index.css b/client/index.css
index 4334029..809323a 100644
--- a/client/index.css
+++ b/client/index.css
@@ -150,6 +150,14 @@
     @apply surface overflow-hidden shadow-sm;
   }
 
+  .tracker-number {
+    font-family: Inter, Roboto, ui-sans-serif, system-ui, sans-serif;
+    font-variant-numeric: tabular-nums lining-nums;
+    font-feature-settings: "tnum" 1, "lnum" 1;
+    -webkit-font-smoothing: auto;
+    text-rendering: optimizeLegibility;
+  }
+
   /* Custom Scrollbar */
   .scrollbar-thin {
     scrollbar-width: thin;
diff --git a/client/pages/TrackerPage.jsx b/client/pages/TrackerPage.jsx
index 384e990..35a1b11 100644
--- a/client/pages/TrackerPage.jsx
+++ b/client/pages/TrackerPage.jsx
@@ -477,7 +477,7 @@ function PaymentProgress({ row, threshold, onOpen, onMarkFullAmount, compact = f
         title="View payment history"
       >
         <div className="flex items-center justify-between gap-2 text-xs">
-          <span className={cn('font-mono', summary.paid > 0 ? 'text-emerald-500' : 'text-muted-foreground')}>
+          <span className={cn('tracker-number text-[13px] font-semibold', summary.paid > 0 ? 'text-emerald-300' : 'text-muted-foreground/85')}>
             {amountLabel}
           </span>
           {summary.count > 1 && (
@@ -1456,7 +1456,7 @@ function Row({ row, year, month, refresh, index, onEditBill }) {
                     target="_blank"
                     rel="noreferrer"
                     className={cn(
-                      'font-medium text-sm leading-tight transition-colors',
+                      'text-[15px] font-semibold leading-tight text-foreground transition-colors',
                       'hover:underline decoration-muted-foreground/50 underline-offset-2',
                       isSkipped && 'line-through',
                     )}
@@ -1464,7 +1464,7 @@ function Row({ row, year, month, refresh, index, onEditBill }) {
                     {row.name}
                   </a>
                 ) : (
-                  <span className={cn('font-medium text-sm leading-tight', isSkipped && 'line-through')}>
+                  <span className={cn('text-[15px] font-semibold leading-tight text-foreground', isSkipped && 'line-through')}>
                     {row.name}
                   </span>
                 )}
@@ -1478,7 +1478,7 @@ function Row({ row, year, month, refresh, index, onEditBill }) {
                 </Button>
               </div>
               {row.category_name && (
-                <p className="text-[11px] text-muted-foreground mt-0.5">{row.category_name}</p>
+                <p className="mt-0.5 text-xs text-muted-foreground/85">{row.category_name}</p>
               )}
               {/* Monthly notes shown inline under the bill name */}
               {row.monthly_notes && (
@@ -1492,7 +1492,7 @@ function Row({ row, year, month, refresh, index, onEditBill }) {
         </TableCell>
 
         {/* Due */}
-        <TableCell className="w-[10%] py-3 text-sm font-mono text-muted-foreground">
+        <TableCell className="tracker-number w-[10%] py-3 text-[13px] font-medium text-foreground/75">
           {editingDue ? (
             <input
               type="number"
@@ -1505,7 +1505,7 @@ function Row({ row, year, month, refresh, index, onEditBill }) {
                 if (e.key === 'Enter') e.currentTarget.blur();
                 if (e.key === 'Escape') { setEditingDue(false); }
               }}
-              className="w-12 rounded border border-border bg-transparent px-1 py-0.5 text-sm font-mono text-foreground outline-none focus:ring-[2px] focus:ring-ring/50"
+              className="tracker-number w-12 rounded border border-border bg-transparent px-1 py-0.5 text-sm font-medium text-foreground outline-none focus:ring-[2px] focus:ring-ring/50"
               title="Day of month (1–31)"
             />
           ) : (
@@ -1521,7 +1521,7 @@ function Row({ row, year, month, refresh, index, onEditBill }) {
         </TableCell>
 
         {/* Expected / Actual — shows actual_amount in amber when it overrides the template */}
-        <TableCell className="w-[10%] py-3 text-right font-mono text-sm">
+        <TableCell className="tracker-number w-[10%] py-3 text-right text-[13px] font-semibold">
           {editingExpected ? (
             <input
               type="number"
@@ -1534,13 +1534,13 @@ function Row({ row, year, month, refresh, index, onEditBill }) {
                 if (e.key === 'Enter') e.currentTarget.blur();
                 if (e.key === 'Escape') { setEditingExpected(false); }
               }}
-              className="w-24 rounded border border-border bg-transparent px-1 py-0.5 text-right text-sm font-mono text-foreground outline-none focus:ring-[2px] focus:ring-ring/50"
+              className="tracker-number w-24 rounded border border-border bg-transparent px-1 py-0.5 text-right text-sm font-semibold text-foreground outline-none focus:ring-[2px] focus:ring-ring/50"
             />
           ) : effectiveActual != null ? (
             <button
               type="button"
               onClick={() => { setExpectedDraft(String(effectiveActual)); setEditingExpected(true); }}
-              className="rounded px-1 py-0.5 text-amber-500 transition-colors hover:bg-accent"
+              className="rounded px-1 py-0.5 text-amber-300 transition-colors hover:bg-accent"
               title={`Monthly override — click to edit. Template default: ${fmt(row.expected_amount)}`}
             >
               {fmt(effectiveActual)}
@@ -1550,7 +1550,7 @@ function Row({ row, year, month, refresh, index, onEditBill }) {
               <button
                 type="button"
                 onClick={() => { setExpectedDraft(String(row.expected_amount)); setEditingExpected(true); }}
-                className="rounded px-1 py-0.5 text-muted-foreground transition-colors hover:bg-accent hover:text-foreground"
+                className="rounded px-1 py-0.5 text-foreground/85 transition-colors hover:bg-accent hover:text-foreground"
                 title="Click to edit expected amount"
               >
                 {fmt(row.expected_amount)}
@@ -1571,7 +1571,7 @@ function Row({ row, year, month, refresh, index, onEditBill }) {
         </TableCell>
 
         {/* Previous month paid */}
-        <TableCell className="w-[10%] py-3 text-right font-mono text-sm text-muted-foreground/70">
+        <TableCell className="tracker-number w-[10%] py-3 text-right text-[13px] font-medium text-muted-foreground/80">
           {row.previous_month_paid > 0 ? fmt(row.previous_month_paid) : '—'}
         </TableCell>
 
@@ -1586,11 +1586,11 @@ function Row({ row, year, month, refresh, index, onEditBill }) {
         </TableCell>
 
         {/* Paid date */}
-        <TableCell className="w-[10%] py-3 text-sm text-muted-foreground">
+        <TableCell className="w-[10%] py-3 text-[13px] text-foreground/75">
           <button
             type="button"
             onClick={() => setPaymentLedgerOpen(true)}
-            className="rounded-md px-1.5 py-0.5 font-mono transition-colors hover:bg-accent hover:text-foreground"
+            className="tracker-number rounded-md px-1.5 py-0.5 font-medium transition-colors hover:bg-accent hover:text-foreground"
             title="View payment history"
           >
             {row.last_paid_date ? fmtDate(row.last_paid_date) : '—'}
@@ -1650,7 +1650,7 @@ function Row({ row, year, month, refresh, index, onEditBill }) {
                       ref={amountRef}
                       type="number" min="0" step="0.01"
                       defaultValue={summary.remaining || threshold}
-                      className="h-7 w-20 text-right font-mono text-sm bg-background/50 border-border/50"
+                      className="tracker-number h-7 w-20 text-right text-sm font-medium bg-background/50 border-border/50"
                       title="Payment amount"
                     />
                     <Button
@@ -1855,7 +1855,7 @@ function MobileTrackerRow({ row, year, month, refresh, index, onEditBill }) {
                   target="_blank"
                   rel="noreferrer"
                   className={cn(
-                    'min-w-0 truncate text-sm font-semibold leading-tight text-foreground',
+                    'min-w-0 truncate text-[15px] font-semibold leading-tight text-foreground',
                     'underline-offset-2 transition-colors hover:text-primary hover:underline',
                     isSkipped && 'line-through',
                   )}
@@ -1863,7 +1863,7 @@ function MobileTrackerRow({ row, year, month, refresh, index, onEditBill }) {
                   {row.name}
                 </a>
               ) : (
-                <span className={cn('min-w-0 truncate text-sm font-semibold leading-tight text-foreground', isSkipped && 'line-through')}>
+                <span className={cn('min-w-0 truncate text-[15px] font-semibold leading-tight text-foreground', isSkipped && 'line-through')}>
                   {row.name}
                 </span>
               )}
@@ -1888,7 +1888,7 @@ function MobileTrackerRow({ row, year, month, refresh, index, onEditBill }) {
         <div className="grid grid-cols-2 gap-x-3 gap-y-2 text-xs text-muted-foreground sm:grid-cols-4">
           <div>
             <p className="uppercase tracking-wide text-muted-foreground/60">Due</p>
-            <p className="mt-0.5 font-mono text-sm text-foreground">{fmtDate(row.due_date)}</p>
+            <p className="tracker-number mt-0.5 text-sm font-medium text-foreground/90">{fmtDate(row.due_date)}</p>
           </div>
           <div>
             <p className="uppercase tracking-wide text-muted-foreground/60">Category</p>
@@ -1896,19 +1896,19 @@ function MobileTrackerRow({ row, year, month, refresh, index, onEditBill }) {
           </div>
           <div>
             <p className="uppercase tracking-wide text-muted-foreground/60">Expected</p>
-            <p className={cn('mt-0.5 font-mono text-sm', row.actual_amount != null ? 'text-amber-500' : 'text-foreground')}>
+            <p className={cn('tracker-number mt-0.5 text-sm font-semibold', row.actual_amount != null ? 'text-amber-300' : 'text-foreground')}>
               {fmt(threshold)}
             </p>
           </div>
           <div>
             <p className="uppercase tracking-wide text-muted-foreground/60">Last Month</p>
-            <p className="mt-0.5 font-mono text-sm text-muted-foreground/70">
+            <p className="tracker-number mt-0.5 text-sm font-medium text-muted-foreground/80">
               {fmt(row.previous_month_paid)}
             </p>
           </div>
           <div>
             <p className="uppercase tracking-wide text-muted-foreground/60">Remaining</p>
-            <p className={cn('mt-0.5 font-mono text-sm', remaining > 0 ? 'text-foreground' : 'text-emerald-500')}>
+            <p className={cn('tracker-number mt-0.5 text-sm font-semibold', remaining > 0 ? 'text-foreground' : 'text-emerald-300')}>
               {fmt(remaining)}
             </p>
           </div>
@@ -1922,14 +1922,14 @@ function MobileTrackerRow({ row, year, month, refresh, index, onEditBill }) {
           <div className="grid grid-cols-2 gap-2 text-xs sm:flex sm:items-center">
             <div className="rounded-md bg-muted/45 px-2 py-1.5">
               <span className="text-muted-foreground">Paid </span>
-              <span className="font-mono text-emerald-500">{row.total_paid > 0 ? fmt(row.total_paid) : '—'}</span>
+              <span className="tracker-number font-semibold text-emerald-300">{row.total_paid > 0 ? fmt(row.total_paid) : '—'}</span>
             </div>
             <div className="rounded-md bg-muted/45 px-2 py-1.5">
               <span className="text-muted-foreground">Date </span>
               <button
                 type="button"
                 onClick={() => setPaymentLedgerOpen(true)}
-                className="rounded font-mono text-foreground underline-offset-2 hover:underline"
+                className="tracker-number rounded font-medium text-foreground underline-offset-2 hover:underline"
               >
                 {row.last_paid_date ? fmtDate(row.last_paid_date) : '—'}
                 {summary.count > 1 && <span className="ml-1 text-[10px] text-muted-foreground">({summary.count})</span>}
@@ -1953,7 +1953,7 @@ function MobileTrackerRow({ row, year, month, refresh, index, onEditBill }) {
                   ref={amountRef}
                   type="number" min="0" step="0.01"
                   defaultValue={summary.remaining || threshold}
-                  className="h-8 w-24 text-right font-mono text-sm bg-background/70 border-border/60"
+                  className="tracker-number h-8 w-24 text-right text-sm font-medium bg-background/70 border-border/60"
                   title="Payment amount"
                   aria-label={`${row.name} payment amount`}
                 />
diff --git a/package.json b/package.json
index 91d9f06..3568b18 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "bill-tracker",
-  "version": "0.28.4.3",
+  "version": "0.28.4.4",
   "description": "Monthly bill tracking system",
   "main": "server.js",
   "scripts": {