diff --git a/templates/projects/detail.html b/templates/projects/detail.html
index ef0b903..8fcb927 100644
--- a/templates/projects/detail.html
+++ b/templates/projects/detail.html
@@ -50,12 +50,12 @@
                 class="tab-button px-4 py-3 border-b-2 border-transparent font-medium text-sm text-gray-600 dark:text-gray-400 hover:text-gray-900 dark:hover:text-white hover:border-gray-300 dark:hover:border-gray-600 transition-colors whitespace-nowrap">
             Schedules
         </button>
-        <button onclick="switchTab('sessions')"
+        <button id="sessions-tab-btn" onclick="switchTab('sessions')"
                 data-tab="sessions"
                 class="tab-button px-4 py-3 border-b-2 border-transparent font-medium text-sm text-gray-600 dark:text-gray-400 hover:text-gray-900 dark:hover:text-white hover:border-gray-300 dark:hover:border-gray-600 transition-colors whitespace-nowrap">
             Recording Sessions
         </button>
-        <button onclick="switchTab('data')"
+        <button id="data-tab-btn" onclick="switchTab('data')"
                 data-tab="data"
                 class="tab-button px-4 py-3 border-b-2 border-transparent font-medium text-sm text-gray-600 dark:text-gray-400 hover:text-gray-900 dark:hover:text-white hover:border-gray-300 dark:hover:border-gray-600 transition-colors whitespace-nowrap">
             Data Files
@@ -714,12 +714,16 @@ async function loadProjectDetails() {
         document.getElementById('settings-start-date').value = formatDate(data.start_date);
         document.getElementById('settings-end-date').value = formatDate(data.end_date);
 
-        // Update tab labels based on project type
-        if (projectTypeId === 'sound_monitoring') {
+        // Update tab labels and visibility based on project type
+        const isSoundProject = projectTypeId === 'sound_monitoring';
+        if (isSoundProject) {
             document.getElementById('locations-tab-label').textContent = 'NRLs';
             document.getElementById('locations-header').textContent = 'Noise Recording Locations';
             document.getElementById('add-location-label').textContent = 'Add NRL';
         }
+        // Recording Sessions and Data Files tabs are SLM-only
+        document.getElementById('sessions-tab-btn').classList.toggle('hidden', !isSoundProject);
+        document.getElementById('data-tab-btn').classList.toggle('hidden', !isSoundProject);
 
         document.getElementById('settings-error').classList.add('hidden');
         updateDangerZone();