Add DashboardCard component and redesign peak traffic chart

- Create reusable DashboardCard component with title and content slot
- Redesign PeakTrafficChart to match Figma design:
  - Vertical bar chart showing peak hours by day of week
  - Y-axis: hours (0:00 to 21:00)
  - X-axis: days (Mon-Sun)
  - Two data series: "This month" (solid) and "Last month" (hatched)
  - Diagonal stripe pattern for last month bars using SVG
  - Legend at bottom

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

apps/publisher-dashboard/src/lib/components/dashboard/dashboard-card.svelte

@@ -0,0 +1,27 @@
+<script lang="ts">
+import type { Snippet } from "svelte";
+import { cn } from "$lib/utils.js";
+
+interface Props {
+  title: string;
+  children: Snippet;
+  class?: string;
+}
+
+let { title, children, class: className }: Props = $props();
+</script>
+
+<div
+  class={cn(
+    "overflow-hidden rounded-lg border border-border bg-card shadow-card",
+    className,
+  )}
+>
+  <div class="border-b border-border px-5 py-3">
+    <h3 class="text-sm font-semibold text-foreground">{title}</h3>
+  </div>
+
+  <div class="p-5">
+    {@render children()}
+  </div>
+</div>

apps/publisher-dashboard/src/lib/components/dashboard/index.ts

@@ -1,3 +1,4 @@
+export { default as DashboardCard } from "./dashboard-card.svelte";
 export { default as FrequentFilters } from "./frequent-filters.svelte";
 export { default as MetricCard } from "./metric-card.svelte";
 export { default as PeakTrafficChart } from "./peak-traffic-chart.svelte";

apps/publisher-dashboard/src/lib/components/dashboard/peak-traffic-chart.svelte

@@ -1,5 +1,6 @@
 <script lang="ts">
 import { cn } from "$lib/utils.js";
+import DashboardCard from "./dashboard-card.svelte";
 
 interface Props {
   class?: string;
@@ -7,80 +8,102 @@ interface Props {
 
 let { class: className }: Props = $props();
 
-const hours = [
+const hours = ["0:00", "6:00", "12:00", "15:00", "18:00", "21:00"];
-  "0:00",
-  "3:00",
-  "6:00",
-  "9:00",
-  "12:00",
-  "15:00",
-  "18:00",
-  "21:00",
-];
 const days = ["Mon", "Tue", "Wed", "Thu", "Fri", "Sat", "Sun"];
 
-// Traffic intensity data (0-100)
+// Traffic data: [startHour, endHour] for each day (0-24 scale)
-const heatmapData = [
+// This month data (solid bars)
-  [20, 35, 45, 60, 75, 55, 30],
+const thisMonthData = [
-  [15, 25, 40, 55, 65, 45, 25],
+  { start: 6, end: 18 },
-  [25, 40, 55, 70, 80, 60, 35],
+  { start: 9, end: 15 },
-  [35, 50, 65, 80, 90, 70, 45],
+  { start: 12, end: 18 },
-  [40, 55, 70, 85, 95, 75, 50],
+  { start: 15, end: 21 },
-  [45, 60, 75, 90, 85, 70, 45],
+  { start: 12, end: 18 },
-  [50, 65, 80, 75, 70, 55, 40],
+  { start: 3, end: 12 },
-  [35, 50, 60, 55, 50, 40, 30],
+  { start: 9, end: 18 },
 ];
 
-function getCellOpacity(value: number): number {
+// Last month data (hatched bars)
-  return 0.15 + (value / 100) * 0.85;
+const lastMonthData = [
+  { start: 3, end: 9 },
+  { start: 12, end: 18 },
+  { start: 6, end: 12 },
+  { start: 6, end: 12 },
+  { start: 6, end: 12 },
+  { start: 9, end: 15 },
+  { start: 15, end: 21 },
+];
+
+// Convert hour to percentage position (0:00 = 0%, 24:00 = 100%)
+function hourToPercent(hour: number): number {
+  return (hour / 24) * 100;
 }
 </script>
 
-<div
+<DashboardCard title="Peak Traffic Hours" class={className}>
-  class={cn(
+  <div class="relative">
-    "overflow-hidden rounded-lg border border-border bg-card shadow-card",
+    <!-- Chart container -->
-    className,
+    <div class="flex">
-  )}
->
-  <div class="border-b border-border px-5 py-3">
-    <h3 class="text-sm font-semibold text-foreground">Peak Traffic Hours</h3>
-  </div>
-
-  <div class="p-5">
-    <div class="flex gap-3">
       <!-- Y-axis labels -->
-      <div class="flex flex-col justify-between pr-1">
+      <div class="flex w-10 flex-col justify-between pr-2" style="height: 210px">
         {#each hours as hour}
-          <div class="flex h-6 items-center">
           <span class="text-[11px] tabular-nums text-muted-foreground">{hour}</span>
-          </div>
         {/each}
       </div>
 
-      <!-- Grid -->
+      <!-- Chart area -->
-      <div class="flex-1">
+      <div class="relative flex-1">
-        <div class="grid grid-cols-7 gap-1">
+        <!-- Grid lines -->
-          {#each hours as _, hourIndex}
+        <div class="absolute inset-0 flex flex-col justify-between" style="height: 210px">
-            {#each days as _, dayIndex}
+          {#each hours as _}
-              {@const value = heatmapData[hourIndex][dayIndex]}
+            <div class="h-px w-full bg-border"></div>
-              <div
-                class="group relative h-6 rounded transition-all duration-150 hover:ring-2 hover:ring-foreground/20"
-                style="background-color: oklch(0.205 0.006 285 / {getCellOpacity(value)})"
-                title="{days[dayIndex]} {hours[hourIndex]}: {value}% traffic"
-              >
-                <!-- Tooltip -->
-                <div
-                  class="pointer-events-none absolute -top-8 left-1/2 z-10 -translate-x-1/2 whitespace-nowrap rounded bg-foreground px-2 py-1 text-[10px] font-medium text-background opacity-0 shadow-lg transition-opacity group-hover:opacity-100"
-                >
-                  {value}%
-                </div>
-              </div>
           {/each}
+        </div>
+
+        <!-- Bars container -->
+        <div class="relative grid grid-cols-7 gap-4 px-2" style="height: 210px">
+          {#each days as _, dayIndex}
+            {@const thisMonth = thisMonthData[dayIndex]}
+            {@const lastMonth = lastMonthData[dayIndex]}
+            <div class="relative">
+              <!-- This month bar (solid) -->
+              <div
+                class="absolute left-0 w-3 rounded-sm bg-muted-foreground/60"
+                style="
+                  top: {hourToPercent(thisMonth.start)}%;
+                  height: {hourToPercent(thisMonth.end - thisMonth.start)}%;
+                "
+              ></div>
+
+              <!-- Last month bar (hatched) -->
+              <div
+                class="absolute left-4 w-3 overflow-hidden rounded-sm"
+                style="
+                  top: {hourToPercent(lastMonth.start)}%;
+                  height: {hourToPercent(lastMonth.end - lastMonth.start)}%;
+                "
+              >
+                <svg class="h-full w-full" preserveAspectRatio="none">
+                  <defs>
+                    <pattern
+                      id="diagonal-{dayIndex}"
+                      patternUnits="userSpaceOnUse"
+                      width="4"
+                      height="4"
+                      patternTransform="rotate(45)"
+                    >
+                      <line x1="0" y1="0" x2="0" y2="4" stroke="currentColor" stroke-width="1.5" class="text-muted-foreground/50" />
+                    </pattern>
+                  </defs>
+                  <rect width="100%" height="100%" fill="url(#diagonal-{dayIndex})" />
+                </svg>
+              </div>
+            </div>
           {/each}
         </div>
 
         <!-- X-axis labels -->
-        <div class="mt-2 grid grid-cols-7 gap-1">
+        <div class="mt-2 grid grid-cols-7 gap-4 px-2">
           {#each days as day}
             <div class="text-center text-[11px] text-muted-foreground">{day}</div>
           {/each}
@@ -89,18 +112,30 @@ function getCellOpacity(value: number): number {
     </div>
 
     <!-- Legend -->
-    <div class="mt-5 flex items-center justify-center gap-4">
+    <div class="mt-4 flex items-center justify-center gap-6">
       <div class="flex items-center gap-2">
-        <div class="flex items-center gap-0.5">
+        <div class="h-3 w-3 rounded-sm bg-muted-foreground/60"></div>
-          {#each [0.2, 0.4, 0.6, 0.8, 1] as opacity}
+        <span class="text-[11px] text-muted-foreground">This month</span>
-            <div
-              class="h-2 w-4 first:rounded-l last:rounded-r"
-              style="background-color: oklch(0.205 0.006 285 / {opacity})"
-            ></div>
-          {/each}
-        </div>
-        <span class="text-[11px] text-muted-foreground">Traffic intensity</span>
       </div>
+      <div class="flex items-center gap-2">
+        <div class="relative h-3 w-3 overflow-hidden rounded-sm">
+          <svg class="h-full w-full" preserveAspectRatio="none">
+            <defs>
+              <pattern
+                id="diagonal-legend"
+                patternUnits="userSpaceOnUse"
+                width="4"
+                height="4"
+                patternTransform="rotate(45)"
+              >
+                <line x1="0" y1="0" x2="0" y2="4" stroke="currentColor" stroke-width="1.5" class="text-muted-foreground/50" />
+              </pattern>
+            </defs>
+            <rect width="100%" height="100%" fill="url(#diagonal-legend)" />
+          </svg>
+        </div>
+        <span class="text-[11px] text-muted-foreground">Last month</span>
       </div>
     </div>
   </div>
+</DashboardCard>