Align styling across different views.

templates/system_admin_companies.html

@@ -221,39 +221,7 @@
     gap: 0.5rem;
 }
 
-.btn {
-    display: inline-block;
-    padding: 0.75rem 1.5rem;
-    border: none;
-    border-radius: 4px;
-    text-decoration: none;
-    font-weight: 500;
-    cursor: pointer;
-    transition: background-color 0.2s;
-}
-
-.btn-primary {
-    background: #007bff;
-    color: white;
-}
-
-.btn-primary:hover {
-    background: #0056b3;
-}
-
-.btn-secondary {
-    background: #6c757d;
-    color: white;
-}
-
-.btn-secondary:hover {
-    background: #545b62;
-}
-
-.btn-sm {
-    padding: 0.25rem 0.5rem;
-    font-size: 0.875rem;
-}
+/* Button styles now centralized in main style.css */
 
 .pagination-section {
     margin: 2rem 0;