diff --git a/deferred/original-icons/icon-public-512-white.png b/deferred/original-icons/icon-public-512-white.png
new file mode 100644
index 0000000..18ff052
Binary files /dev/null and b/deferred/original-icons/icon-public-512-white.png differ
diff --git a/deferred/original-icons/logo-sidebar-338-white.png b/deferred/original-icons/logo-sidebar-338-white.png
new file mode 100644
index 0000000..fcb48ba
Binary files /dev/null and b/deferred/original-icons/logo-sidebar-338-white.png differ
diff --git a/frontend/public/icon.png b/frontend/public/icon.png
index 18ff052..a4925df 100644
Binary files a/frontend/public/icon.png and b/frontend/public/icon.png differ
diff --git a/frontend/src/assets/logo.png b/frontend/src/assets/logo.png
index fcb48ba..d366bf7 100644
Binary files a/frontend/src/assets/logo.png and b/frontend/src/assets/logo.png differ
diff --git a/frontend/src/styles.css b/frontend/src/styles.css
index 69c265d..4294cb6 100644
--- a/frontend/src/styles.css
+++ b/frontend/src/styles.css
@@ -808,22 +808,22 @@ a {
 .sidebar-logo {
   width: 38px;
   height: 38px;
-  border-radius: 11px;
   display: grid;
   place-items: center;
-  background: #fff;
+  /* The logo PNG now carries a real alpha channel: no tile background,
+     border, or mask — the artwork composites directly on the sidebar. */
   overflow: hidden;
 }
 
 .sidebar-logo img {
   width: 100%;
   height: 100%;
-  object-fit: cover;
+  object-fit: contain;
   display: block;
 }
 
-/* The artwork is black-on-white; flip it in dark themes so it stays black
-   bird on dark tile instead of a glaring white square. */
+/* The artwork is black ink; flip it in dark themes so it stays visible on
+   dark sidebars. */
 html[data-theme='dark'] .sidebar-logo img,
 html[data-theme='neon'] .sidebar-logo img,
 html[data-theme='glass'] .sidebar-logo img {