fix: link overlay pattern — credentials never trigger navigation

app/static/style.css

@@ -347,8 +347,7 @@ button {
   color: #fff;
 }
 .tile-wrap {
-  display: flex;
-  flex-direction: column;
+  position: relative;
   height: 100%;
 }
 .svc-credentials {
@@ -361,6 +360,8 @@ button {
   flex-direction: column;
   gap: 0.3rem;
   flex-shrink: 0;
+  position: relative;
+  z-index: 2;
 }
 .svc-cred-row {
   display: flex;
@@ -413,10 +414,15 @@ button {
 .svc-cred-copy.copied::before { content: "\2713"; }
 .svc-cred-copy:hover:not(.copied) { background: #e6f0f9; border-color: #7aabcf; }
 
+.tile-link {
+  position: absolute;
+  inset: 0;
+  z-index: 1;
+  border-radius: 12px;
+}
 .tile {
   display: flex;
   flex-direction: column;
-  text-decoration: none;
   background: var(--card);
   color: inherit;
   border-radius: 12px;
@@ -424,11 +430,14 @@ button {
   box-shadow: 0 8px 22px rgba(0, 0, 0, 0.06);
   border: 1px solid transparent;
   transition: transform .15s ease, box-shadow .15s ease, border-color .15s ease;
-  flex: 1;
+  height: 100%;
+  box-sizing: border-box;
   min-height: 0;
   overflow: hidden;
+  position: relative;
+  z-index: 0;
 }
-.tile:hover {
+.tile-wrap:hover .tile {
   transform: translateY(-2px);
   border-color: #bdd3e6;
   box-shadow: 0 14px 26px rgba(15, 64, 103, 0.12);