fix(web): Fix mobile header padding and narrow-viewport table overflow

Restore vh-based top padding on the app bar at <=640px (previously
overridden by a fixed value), and collapse secondary-language prayer
name alternatives at <=480px so times never scroll off-screen.

templates/static/style.css

@@ -169,7 +169,7 @@ body {
     .app-bar {
         flex-direction: column;
         gap: 0.625rem;
-        padding: 0.75rem 1rem;
+        padding: clamp(1rem, 4vh, 2rem) 1rem 0.75rem;
     }
 }
 
@@ -237,6 +237,26 @@ p + p {
     }
 }
 
+@media (max-width: 480px) {
+    .salath-table {
+        table-layout: fixed;
+    }
+
+    .cell-names {
+        width: 62%;
+        white-space: normal;
+        overflow: hidden;
+    }
+
+    .cell-times {
+        width: 38%;
+    }
+
+    .salath-name-alternatives {
+        display: none;
+    }
+}
+
 .salath-table {
     font-size: clamp(1.1rem, 2.4vh, 1.625rem);
     font-weight: 600;