add: refactored everything

resources/appmenu.xml

@@ -1,15 +1,17 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <interface>
   <requires lib="gtk" version="4.0"/>
-      <menu id='app-menu'>
+      <menu id="app-menu">
         <section>
           <item>
-            <attribute name='label' translatable='yes'>_About SNES Patcher</attribute>
-            <attribute name='action'>app.about</attribute>
+            <attribute name="label" translatable="yes">_About SNES Patcher</attribute>
+            <attribute name="action">app.about</attribute>
           </item>
+        </section>
+        <section>
           <item>
-            <attribute name='label' translatable='yes'>_Quit</attribute>
-            <attribute name='action'>app.quit</attribute>
+            <attribute name="label" translatable="yes">_Quit</attribute>
+            <attribute name="action">app.quit</attribute>
           </item>
         </section>
       </menu>

resources/style.css

@@ -1,26 +1,23 @@
-.run_btn:focus {
-    background: #1c71d8;
-    color: #ffffff;
+.main-content {
+    min-width: 356px;
 }
 
-.run_btn:hover {
-    background: #3584e4;
+.title {
+    font-size: 1.5rem;
+    font-weight: 700;
 }
 
-.run_btn:active {
-    background: #1a5fb4;
+.heading {
+    font-weight: 600;
 }
 
-.run_btn {
-    background: #1a5fb4;
+.selection-row {
+    min-height: 48px;
+    padding: 10px 12px;
+    border-radius: 0;
 }
 
-.run_btn:disabled {
-    background: #3d3846;
-    color: #5e5c64;
+.format-row {
+    min-height: 48px;
+    padding: 10px 12px;
 }
-
-.headerbar {
-    background: #353535;
-    border: 0;
-}