diff --git a/frontend/css/style.css b/frontend/css/style.css
index ff2cb5f..3d954d5 100644
--- a/frontend/css/style.css
+++ b/frontend/css/style.css
@@ -41,6 +41,13 @@ body {
     line-height: 1.5;
     -webkit-font-smoothing: antialiased;
     text-rendering: optimizeLegibility;
+    /* No accidental zoom: `manipulation` drops double-tap-to-zoom (the app's own
+       taps are handled in JS anyway) while leaving panning and deliberate
+       pinch-zoom alone, and text-size-adjust stops Safari inflating text of its
+       own accord after a rotation. */
+    touch-action: manipulation;
+    -webkit-text-size-adjust: 100%;
+    text-size-adjust: 100%;
 }
 
 body.drawer-open {
@@ -932,6 +939,26 @@ body.theme-light .setting-item select option {
     .input-row input {
         padding: 10px 14px;
     }
+
+    /* iOS zooms the whole page when you focus a control whose text is under
+       16px, and it ignores user-scalable=no -- so the font size is the only
+       lever that actually stops it. Every text control gets 16px on touch
+       devices; the padding above keeps them looking the same size. */
+    .search-container input,
+    .input-row input,
+    .setting-item select,
+    .cmdk-input,
+    input[type="text"],
+    input[type="search"],
+    input[type="number"],
+    input[type="url"],
+    input[type="email"],
+    input[type="password"],
+    input:not([type]),
+    textarea,
+    select {
+        font-size: 16px;
+    }
 }
 
 @media (prefers-reduced-motion: reduce) {