Refactored stuff into new files, added a test modal for adding critters

assets/styles/main.rcss

@@ -266,3 +266,52 @@ progress-value {
     display: none;
 }
 
+
+
+/*  ===================================
+    Specific app stuff 
+    =================================== */
+
+/* Critter cards */
+
+/* Modals */
+.modal-overlay {
+    position: absolute;
+    top: 0px;
+    left: 0px;
+    width: 100%;
+    height: 100%;
+    background-color: rgba(0, 0, 0, 0.6);
+    display: flex;
+    align-items: center;
+    justify-content: center;
+}
+
+.modal-content {
+    background-color: #2b2b2b;
+    color: #ffffff;
+    padding: 20px;
+    border-radius: 8px;
+    width: 350px;
+}
+
+.modal-content label {
+    display: block;
+    margin-top: 8px;
+}
+
+.modal-content input {
+    width: 100%;
+    margin-bottom: 8px;
+}
+
+.error {
+    color: #ff5555;
+    font-weight: bold;
+}
+
+.modal-buttons {
+    margin-top: 15px;
+    display: flex;
+    justify-content: space-between;
+}