🎨 Simplify tool card styling by removing specific "settings" class and associated styles

code/websites/pokedex.online/src/views/Home.vue

@@ -15,7 +15,7 @@
       <div class="tools-section">
         <h2>Available Tools</h2>
         <div class="tool-cards">
-          <router-link to="/auth" class="tool-card settings">
+          <router-link to="/auth" class="tool-card">
             <div class="tool-icon">🔐</div>
             <h3>Authentication Hub</h3>
             <p>
@@ -185,11 +185,6 @@ h1 {
   position: relative;
 }
 
-.tool-card.settings {
-  background: linear-gradient(135deg, #10b981 0%, #059669 100%);
-  border: 2px solid #34d399;
-}
-
 .tool-card:hover:not(.disabled) {
   transform: translateY(-5px);
   box-shadow: 0 8px 20px rgba(102, 126, 234, 0.4);