--- a/mrjunejune/src/base.css	Sun Feb 15 12:33:54 2026 -0800
+++ b/mrjunejune/src/base.css	Sun Feb 15 15:43:26 2026 -0800
@@ -359,3 +359,40 @@
 }
 
 
+/* pwa icon */
+#pwa-install-btn {
+  position: fixed;
+  bottom: 20px;
+  right: 20px;
+  padding: 12px 24px 12px 36px;
+  background: #000000;
+  color: #eeffee;
+  border: none;
+  border-radius: 8px;
+  cursor: pointer;
+  font-size: 14px;
+  font-weight: bold;
+  box-shadow: 0 4px 12px rgba(0,0,0,0.2);
+  z-index: 1000;
+  font-family: inherit;
+}
+
+#pwa-install-btn.with-icon::before {
+  content: "";
+  position: absolute;
+  left: 14px;
+  top: 50%;
+  transform: translateY(-50%);
+  width: 18px;
+  height: 18px;
+
+  /* Masked icon */
+  -webkit-mask: url('/public/paw.svg') no-repeat center;
+  mask: url('/public/paw.svg') no-repeat center;
+  mask-size: contain;
+  mask-repeat: no-repeat;
+
+  /* Icon color = button text color */
+  background-color: currentColor;
+}
+