map: replace hardcoded Google Maps with universal directions picker (geo:, OSM, Google, Apple)

Co-authored-by: shakespeare.diy <assistant@shakespeare.diy>

src/pages/MapPage.tsx

@@ -326,6 +326,80 @@ function StashDrawer() {
   );
 }
 
+// Universal directions picker — works on GrapheneOS, iOS, any browser
+function DirectionsMenu({ lat, lon, label }: { lat: string; lon: string; label: string }) {
+  const [open, setOpen] = useState(false);
+
+  const options = [
+    {
+      name: 'Maps (device default)',
+      sub: 'Opens your default maps app',
+      href: `geo:${lat},${lon}?q=${lat},${lon}(${label})`,
+      emoji: '📍',
+    },
+    {
+      name: 'OpenStreetMap',
+      sub: 'Privacy-friendly, no account',
+      href: `https://www.openstreetmap.org/?mlat=${lat}&mlon=${lon}&zoom=17`,
+      emoji: '🗺️',
+    },
+    {
+      name: 'Google Maps',
+      sub: 'Opens in browser or app',
+      href: `https://maps.google.com/?q=${lat},${lon}`,
+      emoji: '🔵',
+    },
+    {
+      name: 'Apple Maps',
+      sub: 'iOS & macOS',
+      href: `https://maps.apple.com/?ll=${lat},${lon}&q=${label}`,
+      emoji: '🍎',
+    },
+  ];
+
+  return (
+    <>
+      <Button
+        variant="outline"
+        className="h-12 w-full font-bold text-sm border-white/20 hover:bg-white/10 rounded-xl"
+        onClick={() => setOpen(true)}
+      >
+        <Navigation className="h-4 w-4 mr-2 text-[#ccff00]" />
+        Directions
+      </Button>
+
+      {open && (
+        <>
+          {/* Backdrop */}
+          <div className="fixed inset-0 z-[2000]" onClick={() => setOpen(false)} />
+          {/* Menu */}
+          <div className="absolute bottom-14 right-0 z-[2001] bg-black/95 border border-white/15 rounded-2xl shadow-2xl overflow-hidden w-64 backdrop-blur">
+            <div className="px-4 py-3 border-b border-white/8">
+              <p className="text-xs font-black uppercase tracking-widest text-white/50">Open with</p>
+            </div>
+            {options.map(opt => (
+              <a
+                key={opt.name}
+                href={opt.href}
+                target="_blank"
+                rel="noopener noreferrer"
+                onClick={() => setOpen(false)}
+                className="flex items-center gap-3 px-4 py-3 hover:bg-white/8 transition-colors"
+              >
+                <span className="text-xl w-7 text-center">{opt.emoji}</span>
+                <div className="flex-1 min-w-0">
+                  <div className="text-sm font-bold text-white">{opt.name}</div>
+                  <div className="text-[10px] text-white/40">{opt.sub}</div>
+                </div>
+              </a>
+            ))}
+          </div>
+        </>
+      )}
+    </>
+  );
+}
+
 // Bottom sheet shown when a map marker is tapped
 function SpotBottomSheet({ spot, onClose }: { spot: SkateSpot; onClose: () => void }) {
   const navigate = useNavigate();
@@ -414,15 +488,13 @@ function SpotBottomSheet({ spot, onClose }: { spot: SkateSpot; onClose: () => vo
           </Button>
           {spot.geohash && (() => {
             const { latitude, longitude } = ngeohash.decode(spot.geohash);
+            const lat = latitude.toFixed(6);
+            const lon = longitude.toFixed(6);
+            const label = encodeURIComponent(spot.title);
             return (
-              <Button
+              <div className="relative">
-                variant="outline"
+                <DirectionsMenu lat={lat} lon={lon} label={label} />
-                className="h-12 font-bold text-sm border-white/20 hover:bg-white/10 rounded-xl"
+              </div>
-                onClick={() => window.open(`https://maps.google.com/?q=${latitude},${longitude}`, '_blank')}
-              >
-                <Navigation className="h-4 w-4 mr-2 text-[#ccff00]" />
-                Directions
-              </Button>
             );
           })()}
         </div>