Keep playing when you lock the phone

1. Safari or Chrome → Add to Dock (or Install app)
2. Play Window rain. Timer 8h. Overnight on. Sleep-safe on.
3. Close the lid for a minute. Open. Audio still there?
4. Let the Mac sleep. Wake. Still playing?
5. Focus / Do Not Disturb. Media keys pause and resume.
6. Cinema hides chrome. Tap to return. Double-click toggles.
7. Share copies a /?l= link. Open it in another window.

Start Window rain