From 02c54cb354d1bb6b3226798e4b1c288f5a923bd5 Mon Sep 17 00:00:00 2001
From: DiTus <ditus@o2.pl>
Date: Tue, 24 Mar 2026 08:24:14 +0100
Subject: [PATCH] feat: set default zoom to 300 candles desktop, 125 candles
 mobile

---
 js/ui/chart.js | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/js/ui/chart.js b/js/ui/chart.js
index edc989a..dd71a79 100644
--- a/js/ui/chart.js
+++ b/js/ui/chart.js
@@ -739,6 +739,18 @@ export class TradingDashboard {
                 
                 if (fitToContent) {
                     this.chart.timeScale().scrollToRealTime();
+                    
+                    const isMobile = window.innerWidth < 768;
+                    const defaultCandles = isMobile ? 125 : 300;
+                    
+                    const dataLength = this.candleSeries.data().length;
+                    if (dataLength > defaultCandles) {
+                        const logicalRange = {
+                            from: dataLength - 1 - defaultCandles,
+                            to: dataLength - 1
+                        };
+                        this.chart.timeScale().setVisibleLogicalRange(logicalRange);
+                    }
                 } else if (visibleRange) {
                     this.chart.timeScale().setVisibleLogicalRange(visibleRange);
                 }