diff --git a/templates/editor.html b/templates/editor.html
index 295b00c..e2a6ec2 100644
--- a/templates/editor.html
+++ b/templates/editor.html
@@ -915,33 +915,13 @@ function toggleSim(id) {
     }
   }
 
-  // Automation logic: activating one deactivates others, but shared outputs stay on
-  if (card && card.type === 'automation') {
-    if (simState[id].on && card.rules) {
-      // Collect all targets this automation activates
-      const myTargets = new Set();
-      card.rules.forEach(r => { if (r.target) myTargets.add(r.target); });
-
-      // Deactivate other automation cards, but track what they had on
-      const allAutoCards = [];
-      layout.pages.forEach(p => p.cards.forEach(c => {
-        if (c.type === 'automation' && c.id !== id) allAutoCards.push(c);
-      }));
-
-      allAutoCards.forEach(ac => {
-        if (simState[ac.id] && simState[ac.id].on) {
-          // Turn off this automation
-          simState[ac.id].on = false;
-          // Turn off its outputs ONLY if not shared with the new automation
-          (ac.rules || []).forEach(r => {
-            if (r.target && !myTargets.has(r.target)) {
-              if (simState[r.target] && r.action !== 'off') simState[r.target].on = false;
-            }
-          });
-        }
-      });
-
-      // Now apply this automation's rules
+  // Automation logic:
+  // - Multiple automations can be ON at the same time
+  // - Turning ON applies this automation's rules
+  // - Turning OFF only removes outputs that no OTHER active automation also needs
+  if (card && card.type === 'automation' && card.rules) {
+    if (simState[id].on) {
+      // Activating: just apply this automation's rules on top of whatever is already on
       card.rules.forEach(r => {
         if (!r.target) return;
         if (!simState[r.target]) simState[r.target] = {on: false, value: 0};
@@ -949,16 +929,19 @@ function toggleSim(id) {
         else if (r.action === 'off') simState[r.target].on = false;
         else if (r.action === 'set') { simState[r.target].on = true; simState[r.target].value = r.value || 0; }
       });
-    } else if (!simState[id].on && card.rules) {
-      // Deactivating: turn off outputs that no other active automation needs
-      const otherActiveTargets = new Set();
+    } else {
+      // Deactivating: collect all targets that OTHER active automations still need
+      const keepOn = new Set();
       layout.pages.forEach(p => p.cards.forEach(c => {
         if (c.type === 'automation' && c.id !== id && simState[c.id] && simState[c.id].on) {
-          (c.rules || []).forEach(r => { if (r.target) otherActiveTargets.add(r.target); });
+          (c.rules || []).forEach(r => {
+            if (r.target && (r.action === 'on' || r.action === 'set')) keepOn.add(r.target);
+          });
         }
       }));
+      // Only turn off outputs unique to this automation
       card.rules.forEach(r => {
-        if (r.target && !otherActiveTargets.has(r.target) && r.action !== 'off') {
+        if (r.target && !keepOn.has(r.target) && r.action !== 'off') {
           if (simState[r.target]) simState[r.target].on = false;
         }
       });