feat(ui): enhance dashboard visualizations

- Replace usage metrics line charts with gradient area charts
- Redesign summary cards with improved styling and icons
- Add revenue share progress bar to models table
- Format numbers in tables for better readability

ui/components/revenue-by-model-table.tsx

@@ -9,6 +9,7 @@ import {
   TableRow,
 } from '@/components/ui/table';
 import { Card, CardContent, CardHeader, CardTitle } from '@/components/ui/card';
+import { Progress } from '@/components/ui/progress';
 import { ModelRevenueData } from '@/lib/api/services/admin';
 
 interface RevenueByModelTableProps {
@@ -25,7 +26,7 @@ export function RevenueByModelTable({
       <CardHeader>
         <CardTitle>Revenue by Model</CardTitle>
         <p className="text-sm text-muted-foreground">
-          Total Revenue: {totalRevenue.toLocaleString(undefined, { maximumFractionDigits: 2 })} sats
+          Total Revenue: <span className="font-mono font-medium text-foreground">{totalRevenue.toLocaleString(undefined, { maximumFractionDigits: 2 })}</span> sats
         </p>
       </CardHeader>
       <CardContent>
@@ -37,6 +38,7 @@ export function RevenueByModelTable({
               <TableHead className="text-right">Successful</TableHead>
               <TableHead className="text-right">Failed</TableHead>
               <TableHead className="text-right">Revenue (sats)</TableHead>
+              <TableHead className="w-[100px]">Share</TableHead>
               <TableHead className="text-right">Refunds (sats)</TableHead>
               <TableHead className="text-right">Net Revenue (sats)</TableHead>
               <TableHead className="text-right">Avg/Request</TableHead>
@@ -45,31 +47,40 @@ export function RevenueByModelTable({
           <TableBody>
             {models.length === 0 ? (
               <TableRow>
-                <TableCell colSpan={8} className="text-center text-muted-foreground">
+                <TableCell colSpan={9} className="text-center text-muted-foreground">
                   No model data available
                 </TableCell>
               </TableRow>
             ) : (
-              models.map((model) => (
-                <TableRow key={model.model}>
-                  <TableCell className="font-medium">{model.model}</TableCell>
-                  <TableCell className="text-right">{model.requests}</TableCell>
-                  <TableCell className="text-right text-green-600">{model.successful}</TableCell>
-                  <TableCell className="text-right text-red-600">{model.failed}</TableCell>
-                  <TableCell className="text-right">
-                    {model.revenue_sats.toLocaleString(undefined, { maximumFractionDigits: 2 })}
-                  </TableCell>
-                  <TableCell className="text-right text-red-500">
-                    {model.refunds_sats.toLocaleString(undefined, { maximumFractionDigits: 2 })}
-                  </TableCell>
-                  <TableCell className="text-right font-semibold">
-                    {model.net_revenue_sats.toLocaleString(undefined, { maximumFractionDigits: 2 })}
-                  </TableCell>
-                  <TableCell className="text-right text-muted-foreground">
-                    {model.avg_revenue_per_request.toLocaleString(undefined, { maximumFractionDigits: 3 })}
-                  </TableCell>
-                </TableRow>
-              ))
+              models.map((model) => {
+                const share = totalRevenue > 0 ? (model.revenue_sats / totalRevenue) * 100 : 0;
+                return (
+                  <TableRow key={model.model}>
+                    <TableCell className="font-medium">{model.model}</TableCell>
+                    <TableCell className="text-right font-mono">{model.requests}</TableCell>
+                    <TableCell className="text-right text-green-600 font-mono">{model.successful}</TableCell>
+                    <TableCell className="text-right text-red-600 font-mono">{model.failed}</TableCell>
+                    <TableCell className="text-right font-mono">
+                      {model.revenue_sats.toLocaleString(undefined, { maximumFractionDigits: 2 })}
+                    </TableCell>
+                    <TableCell>
+                      <div className="flex items-center gap-2">
+                        <Progress value={share} className="h-2" />
+                        <span className="text-xs text-muted-foreground w-8 text-right">{share.toFixed(0)}%</span>
+                      </div>
+                    </TableCell>
+                    <TableCell className="text-right text-red-500 font-mono">
+                      {model.refunds_sats.toLocaleString(undefined, { maximumFractionDigits: 2 })}
+                    </TableCell>
+                    <TableCell className="text-right font-semibold font-mono">
+                      {model.net_revenue_sats.toLocaleString(undefined, { maximumFractionDigits: 2 })}
+                    </TableCell>
+                    <TableCell className="text-right text-muted-foreground font-mono">
+                      {model.avg_revenue_per_request.toLocaleString(undefined, { maximumFractionDigits: 3 })}
+                    </TableCell>
+                  </TableRow>
+                );
+              })
             )}
           </TableBody>
         </Table>

ui/components/usage-metrics-chart.tsx

@@ -2,8 +2,8 @@
 
 import { Card, CardContent, CardHeader, CardTitle } from '@/components/ui/card';
 import {
-  Line,
-  LineChart,
+  Area,
+  AreaChart,
   ResponsiveContainer,
   Tooltip,
   XAxis,
@@ -42,34 +42,71 @@ export function UsageMetricsChart({
       </CardHeader>
       <CardContent>
         <ResponsiveContainer width='100%' height={300}>
-          <LineChart data={formattedData}>
-            <CartesianGrid strokeDasharray='3 3' className='stroke-muted' />
+          <AreaChart data={formattedData}>
+            <defs>
+              {dataKeys.map((dataKey) => (
+                <linearGradient
+                  key={dataKey.key}
+                  id={`color${dataKey.key}`}
+                  x1='0'
+                  y1='0'
+                  x2='0'
+                  y2='1'
+                >
+                  <stop
+                    offset='5%'
+                    stopColor={dataKey.color}
+                    stopOpacity={0.3}
+                  />
+                  <stop
+                    offset='95%'
+                    stopColor={dataKey.color}
+                    stopOpacity={0}
+                  />
+                </linearGradient>
+              ))}
+            </defs>
+            <CartesianGrid strokeDasharray='3 3' className='stroke-muted/30' />
             <XAxis
               dataKey='time'
               className='text-xs'
-              tick={{ fill: 'currentColor' }}
+              tick={{ fill: 'hsl(var(--muted-foreground))' }}
+              tickLine={false}
+              axisLine={false}
+              minTickGap={32}
+            />
+            <YAxis
+              className='text-xs'
+              tick={{ fill: 'hsl(var(--muted-foreground))' }}
+              tickLine={false}
+              axisLine={false}
+              width={40}
             />
-            <YAxis className='text-xs' tick={{ fill: 'currentColor' }} />
             <Tooltip
               contentStyle={{
                 backgroundColor: 'hsl(var(--background))',
                 border: '1px solid hsl(var(--border))',
-                borderRadius: '6px',
+                borderRadius: '8px',
+                boxShadow: '0 4px 6px -1px rgb(0 0 0 / 0.1)',
               }}
+              itemStyle={{ fontSize: '12px' }}
+              labelStyle={{ fontSize: '12px', color: 'hsl(var(--muted-foreground))', marginBottom: '8px' }}
             />
-            <Legend />
+            <Legend wrapperStyle={{ fontSize: '12px', paddingTop: '16px' }} />
             {dataKeys.map((dataKey) => (
-              <Line
+              <Area
                 key={dataKey.key}
                 type='monotone'
                 dataKey={dataKey.key}
                 stroke={dataKey.color}
+                fillOpacity={1}
+                fill={`url(#color${dataKey.key})`}
                 name={dataKey.name}
                 strokeWidth={2}
-                dot={false}
+                animationDuration={1000}
               />
             ))}
-          </LineChart>
+          </AreaChart>
         </ResponsiveContainer>
       </CardContent>
     </Card>

ui/components/usage-summary-cards.tsx

@@ -102,15 +102,17 @@ export function UsageSummaryCards({ summary }: UsageSummaryCardsProps) {
   ];
 
   return (
-    <div className='grid gap-4 md:grid-cols-2 lg:grid-cols-4'>
+    <div className='grid gap-6 md:grid-cols-2 lg:grid-cols-4'>
       {cards.map((card) => (
-        <Card key={card.title}>
+        <Card key={card.title} className="hover:bg-muted/50 transition-colors">
           <CardHeader className='flex flex-row items-center justify-between space-y-0 pb-2'>
-            <CardTitle className='text-sm font-medium'>{card.title}</CardTitle>
-            <card.icon className={`h-4 w-4 ${card.color}`} />
+            <CardTitle className='text-sm font-medium text-muted-foreground'>{card.title}</CardTitle>
+            <div className={`p-2 rounded-full bg-secondary`}>
+                <card.icon className={`h-4 w-4 ${card.color}`} />
+            </div>
           </CardHeader>
           <CardContent>
-            <div className='text-2xl font-bold'>{card.value}</div>
+            <div className='text-2xl font-bold tracking-tight'>{card.value}</div>
           </CardContent>
         </Card>
       ))}