feat: implement custom node.js sync server and secure extension client with login/register UI

popup.css

@@ -238,8 +238,25 @@ button {
     flex-grow: 1;
     overflow: hidden;
     margin-right: 8px;
-    pointer-events: none;
-    /* easier dragging */
+    cursor: pointer;
+    padding: 6px 8px;
+    border-radius: 6px;
+    transition: all 0.2s ease;
+    /* Ensure child clicks are captured */
+    pointer-events: auto;
+}
+
+.rule-info:hover {
+    background: rgba(59, 130, 246, 0.08);
+}
+
+.rule-info:active {
+    background: rgba(59, 130, 246, 0.15);
+    transform: scale(0.995);
+}
+
+.rule-info:active {
+    background: rgba(59, 130, 246, 0.1);
 }
 
 .rule-domain {
@@ -254,15 +271,38 @@ button {
 
 .rule-env {
     display: inline-block;
-    background: rgba(59, 130, 246, 0.1);
-    color: var(--accent-color);
     padding: 2px 6px;
     border-radius: 4px;
     font-size: 10px;
+    font-weight: 500;
     margin-left: 6px;
     vertical-align: middle;
 }
 
+.env-dd-pp {
+    background: #E0E7FF;
+    color: #4338CA;
+    border: 1px solid #C7D2FE;
+}
+
+.env-dd-ats {
+    background: #DCFCE7;
+    color: #15803D;
+    border: 1px solid #BBF7D0;
+}
+
+.env-std-pp {
+    background: #FEF3C7;
+    color: #B45309;
+    border: 1px solid #FDE68A;
+}
+
+.env-std-ats {
+    background: #FCE7F3;
+    color: #BE185D;
+    border: 1px solid #FBCFE8;
+}
+
 .rule-acc {
     font-size: 11px;
     color: var(--text-secondary);
@@ -276,24 +316,14 @@ button {
     gap: 4px;
 }
 
-.btn-execute {
-    color: var(--success-color);
-    background: rgba(16, 185, 129, 0.1);
-}
-
-.btn-execute:hover {
-    background: rgba(16, 185, 129, 0.2);
-    color: #059669;
-}
-
 .btn-delete {
     color: var(--danger-color);
-    background: rgba(239, 68, 68, 0.1);
+    background: rgba(239, 68, 68, 0.05);
 }
 
 .btn-delete:hover {
-    background: rgba(239, 68, 68, 0.2);
-    color: #b91c1c;
+    background: rgba(239, 68, 68, 0.15);
+    color: var(--danger-hover);
 }
 
 .loading {
@@ -323,4 +353,4 @@ button {
 
 .empty-state svg {
     color: #cbd5e1;
-}
+}