refactor(entries): drop the cyan secret marker on the reveal eye

The eye only renders on a secret field, so its presence already carries the state.

css/style.css

@@ -1675,13 +1675,8 @@ input[type="range"]::-webkit-slider-thumb {
 .so-combo-item:hover { background: var(--accent); color: #fff; }
 /* The eye carries the secret state itself — a second toggle beside it read as
    a duplicate of the reveal. Flipping the flag lives in the row menu. */
-/* Cyan marker = the field is STORED as a secret, not merely hidden right now. */
+/* No marker for "stored as secret": the eye only exists on a secret field —
-.so-custom-row .icon-btn.is-secret {
+   Make public removes it — so its mere presence already says so. */
-    color: var(--accent);
-    background: var(--accent-soft);
-    border: 1px solid var(--accent);
-    border-radius: 4px;
-}
 .so-custom-add {
     margin-top: 8px;
 }

js/app.js

@@ -4277,11 +4277,10 @@ function buildCustomFieldRow(field, idx, rerender) {
     });
 
     // The secret flag no longer has a button of its own: two adjacent toggles
-    // that both masked the value read as duplicates. The eye alone carries the
+    // that both masked the value read as duplicates. The eye is shown only on a
-    // state (cyan ring = stored as secret) and flipping it lives in the row
+    // secret field, so its presence IS the indicator, and flipping the flag
-    // menu, one deliberate step away from the everyday reveal.
+    // lives in the row menu, one deliberate step away from the everyday reveal.
     function applySecretState() {
-        eye.classList.toggle('is-secret', !!field.is_secret);
         eye.style.visibility =
             (!field.is_secret || (valueInput.tagName !== 'INPUT' && !field.multiline))
                 ? 'hidden' : '';