From be03fe676aa342bde376abd0dc232f7b780846d4 Mon Sep 17 00:00:00 2001
From: JayBridge <12310903@mail.sustech.edu.cn>
Date: Tue, 1 Jul 2025 01:20:55 +0800
Subject: [PATCH] style: add left border to sticky columns and headers in CSV
 table for improved visual distinction #12

---
 styles.css | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/styles.css b/styles.css
index 76ed74f..520e122 100644
--- a/styles.css
+++ b/styles.css
@@ -894,3 +894,13 @@ td.csv-row-number{
 		transform: scale(1);
 	}
 }
+
+/* 固定列的左侧边界标记（非首列） */
+.csv-sticky-col:not(:first-child) {
+	border-left: 1.5px solid var(--interactive-accent-hover) !important;
+}
+
+/* 如果是表头固定列也要有左边界 */
+.csv-sticky-header.csv-sticky-col:not(:first-child) {
+	border-left: 2px solid var(--interactive-accent) !important;
+}