From 577c2efcc835aec175bd45946731552cec7f3508 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=C3=81lvaro=20Gonz=C3=A1lez?=
 <alvarogonzalezsotillo@gmail.com>
Date: Wed, 11 Mar 2026 09:56:28 +0100
Subject: [PATCH] Changed icon

---
 lib/ai/formula_screen.dart | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/lib/ai/formula_screen.dart b/lib/ai/formula_screen.dart
index c8a4436..439b1b6 100644
--- a/lib/ai/formula_screen.dart
+++ b/lib/ai/formula_screen.dart
@@ -395,7 +395,7 @@ class _FormulaScreenState extends State<FormulaScreen> {
           Expanded(
             child: isCategorical
                 ? DropdownButtonFormField<String>(
-              value: _selectedValues[variable.name],
+              initialValue: _selectedValues[variable.name],
               items: variable.values!
                   .map((v) => DropdownMenuItem<String>(value: v, child: Text(v)))
                   .toList(),
@@ -433,7 +433,7 @@ class _FormulaScreenState extends State<FormulaScreen> {
           const SizedBox(width: 8),
           if (variable.unit != null && !isCategorical)
             IconButton(
-              icon: const Icon(Icons.swap_horiz),
+              icon: const Icon(Icons.arrow_downward),
               tooltip: 'Solve for ${variable.name}',
               onPressed: () {
                 _solveForVariable(variable);