improving stats page tooltips (click day keeps tooltip open)

extract_config.yaml

@@ -11,7 +11,7 @@ input:
   metadata_csv: ~/src/cycling_data_davide/activities.csv
 
 output:
-  dir: ~/bincio_data
+  dir: ~/src/bincio_data
 
 default_privacy: public
 

site/src/components/StatsView.svelte

@@ -28,14 +28,15 @@
   })();
 
   let hoveredDate: string | null = null;
+  let pinnedDate: string | null = null;
+  let tooltipEl: HTMLElement | null = null;
   let tooltipPos = { x: 0, y: 0 };
   let hideTimer: ReturnType<typeof setTimeout> | null = null;
-  $: tooltipActivities = hoveredDate ? (activitiesByDate.get(hoveredDate) ?? []) : [];
 
-  function onCellEnter(date: string, e: MouseEvent) {
-    if (!date || !activitiesByDate.has(date)) return;
-    if (hideTimer) { clearTimeout(hideTimer); hideTimer = null; }
-    hoveredDate = date;
+  $: tooltipDate = pinnedDate ?? hoveredDate;
+  $: tooltipActivities = tooltipDate ? (activitiesByDate.get(tooltipDate) ?? []) : [];
+
+  function updatePos(e: MouseEvent) {
     const vw = window.innerWidth;
     const vh = window.innerHeight;
     tooltipPos = {
@@ -44,18 +45,49 @@
     };
   }
 
+  function onCellEnter(date: string, e: MouseEvent) {
+    if (!date || !activitiesByDate.has(date)) return;
+    if (pinnedDate) return;
+    if (hideTimer) { clearTimeout(hideTimer); hideTimer = null; }
+    hoveredDate = date;
+    updatePos(e);
+  }
+
   function onCellLeave() {
+    if (pinnedDate) return;
     hideTimer = setTimeout(() => { hoveredDate = null; }, 120);
   }
 
+  function onCellClick(date: string, e: MouseEvent) {
+    if (!date || !activitiesByDate.has(date)) return;
+    e.stopPropagation();
+    if (pinnedDate === date) {
+      pinnedDate = null;
+    } else {
+      pinnedDate = date;
+      updatePos(e);
+    }
+  }
+
   function onTooltipEnter() {
     if (hideTimer) { clearTimeout(hideTimer); hideTimer = null; }
   }
 
   function onTooltipLeave() {
+    if (pinnedDate) return;
     hoveredDate = null;
   }
 
+  function onWindowClick(e: MouseEvent) {
+    if (!pinnedDate) return;
+    if (tooltipEl && tooltipEl.contains(e.target as Node)) return;
+    pinnedDate = null;
+  }
+
+  function onKeydown(e: KeyboardEvent) {
+    if (e.key === 'Escape') pinnedDate = null;
+  }
+
   // ── Heatmap data ─────────────────────────────────────────────────────────
   // byDateBySport: date → sport → total distance (m)
   $: byDateBySport = (() => {
@@ -269,10 +301,11 @@
               </div>
               {#each week as date}
                 <div
-                  class="w-[10px] h-[10px] rounded-[2px] {date && activitiesByDate.has(date) ? 'cursor-pointer' : ''}"
+                  class="w-[10px] h-[10px] rounded-[2px] {date && activitiesByDate.has(date) ? 'cursor-pointer' : ''} {date && date === pinnedDate ? 'ring-1 ring-white ring-offset-[1px] ring-offset-zinc-950' : ''}"
                   style="background:{cellColors.get(date) ?? '#27272a'}"
                   on:mouseenter={e => onCellEnter(date, e)}
                   on:mouseleave={onCellLeave}
+                  on:click={e => onCellClick(date, e)}
                 />
               {/each}
             </div>
@@ -306,17 +339,29 @@
 
 {/if}
 
+<svelte:window on:click={onWindowClick} on:keydown={onKeydown} />
+
 <!-- Day tooltip -->
-{#if hoveredDate && tooltipActivities.length > 0}
+{#if tooltipDate && tooltipActivities.length > 0}
   <div
+    bind:this={tooltipEl}
     class="fixed z-50 bg-zinc-900 border border-zinc-700 rounded-xl shadow-2xl p-3 w-[280px]"
     style="left:{tooltipPos.x}px; top:{tooltipPos.y}px"
     on:mouseenter={onTooltipEnter}
     on:mouseleave={onTooltipLeave}
   >
-    <p class="text-xs font-medium text-zinc-400 mb-2">
-      {new Date(hoveredDate + 'T12:00:00').toLocaleDateString('en-GB', { day: 'numeric', month: 'long', year: 'numeric' })}
+    <div class="flex items-center justify-between mb-2">
+      <p class="text-xs font-medium text-zinc-400">
+        {new Date(tooltipDate + 'T12:00:00').toLocaleDateString('en-GB', { day: 'numeric', month: 'long', year: 'numeric' })}
       </p>
+      {#if pinnedDate}
+        <button
+          class="text-zinc-500 hover:text-zinc-300 transition-colors text-sm leading-none ml-2"
+          on:click|stopPropagation={() => pinnedDate = null}
+          aria-label="Close"
+        >✕</button>
+      {/if}
+    </div>
     <div class="flex flex-col gap-1">
       {#each tooltipActivities as a}
         <a