Update app.py

app.py

@@ -344,8 +344,9 @@ div[data-testid="stNumberInput"] button {
     color: transparent !important; /* مخفی کردن متن پیش‌فرض */
 }
 
-div[data-testid="stNumberInput"] button::after {
-    content: "+";
+/* دکمه سمت راست (کاهش) */
+div[data-testid="stNumberInput"] button:first-child::after {
+    content: "-" !important;
     position: absolute !important;
     top: 50% !important;
     left: 50% !important;
@@ -353,16 +354,11 @@ div[data-testid="stNumberInput"] button::after {
     color: var(--primary) !important;
     font-size: 1.2rem !important;
     font-weight: bold !important;
-    width: 100% !important;
-    height: 100% !important;
-    display: flex !important;
-    align-items: center !important;
-    justify-content: center !important;
-    background: transparent !important;
 }
 
-div[data-testid="stNumberInput"] button[aria-label="Decrease value"]::after {
-    content: "-" !important;
+/* دکمه سمت چپ (افزایش) */
+div[data-testid="stNumberInput"] button:last-child::after {
+    content: "+" !important;
     position: absolute !important;
     top: 50% !important;
     left: 50% !important;
@@ -370,12 +366,6 @@ div[data-testid="stNumberInput"] button[aria-label="Decrease value"]::after {
     color: var(--primary) !important;
     font-size: 1.2rem !important;
     font-weight: bold !important;
-    width: 100% !important;
-    height: 100% !important;
-    display: flex !important;
-    align-items: center !important;
-    justify-content: center !important;
-    background: transparent !important;
 }
 
 /* بازنشانی کامل استایل‌های Streamlit */