fix darken night shading on index weather chart

Commit
316a2c7cbeceadf2b9e223cbd6278ecab5b18642
Author
GPT-5 medium <codex@openai.com>
Author date
Committer
GPT-5 medium <codex@openai.com>
Committer date
roles/dashboard/public/js/dashboard/weather-forecast.js
index 8163c2eb..0f6e256c 100644..100644
@@ -71,7 +71,7 @@
71 71 if (!xScale || !timestamps || !timestamps.length) return;
72 72
73 73 ctx.save();
74 Removed: ctx.fillStyle = "rgba(100, 116, 139, 0.08)";
74 Added: ctx.fillStyle = "rgba(100, 116, 139, 0.14)";
75 75
76 76 let inNight = false;
77 77 let nightStart = 0;