diff --git a/cookies.html b/cookies.html
index 6ba4991..4b4d325 100644
--- a/cookies.html
+++ b/cookies.html
@@ -13,6 +13,15 @@
 <link href="https://fonts.googleapis.com/css2?family=DM+Mono:wght@400;500&family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;0,9..40,600;0,9..40,700;0,9..40,900&display=swap" rel="stylesheet">
 <link rel="stylesheet" href="styles.css?v=20">
 <link rel="stylesheet" href="legal.css?v=1">
+<script>
+  // Apply saved theme before paint so light/dark choice carries across pages.
+  try {
+    var saved = localStorage.getItem('spark-theme');
+    if (saved === 'light' || saved === 'dark') {
+      document.documentElement.setAttribute('data-theme', saved);
+    }
+  } catch (e) { /* storage unavailable */ }
+</script>
 </head>
 <body>
 
diff --git a/privacy.html b/privacy.html
index 912d956..48893b5 100644
--- a/privacy.html
+++ b/privacy.html
@@ -13,6 +13,15 @@
 <link href="https://fonts.googleapis.com/css2?family=DM+Mono:wght@400;500&family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;0,9..40,600;0,9..40,700;0,9..40,900&display=swap" rel="stylesheet">
 <link rel="stylesheet" href="styles.css?v=20">
 <link rel="stylesheet" href="legal.css?v=1">
+<script>
+  // Apply saved theme before paint so light/dark choice carries across pages.
+  try {
+    var saved = localStorage.getItem('spark-theme');
+    if (saved === 'light' || saved === 'dark') {
+      document.documentElement.setAttribute('data-theme', saved);
+    }
+  } catch (e) { /* storage unavailable */ }
+</script>
 </head>
 <body>
 
diff --git a/terms.html b/terms.html
index 1c9505c..a0fb59b 100644
--- a/terms.html
+++ b/terms.html
@@ -13,6 +13,15 @@
 <link href="https://fonts.googleapis.com/css2?family=DM+Mono:wght@400;500&family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;0,9..40,600;0,9..40,700;0,9..40,900&display=swap" rel="stylesheet">
 <link rel="stylesheet" href="styles.css?v=20">
 <link rel="stylesheet" href="legal.css?v=1">
+<script>
+  // Apply saved theme before paint so light/dark choice carries across pages.
+  try {
+    var saved = localStorage.getItem('spark-theme');
+    if (saved === 'light' || saved === 'dark') {
+      document.documentElement.setAttribute('data-theme', saved);
+    }
+  } catch (e) { /* storage unavailable */ }
+</script>
 </head>
 <body>
 
