Pick a date and watch it tick down live.
Target: 7/11/2026, 12:00:00 AM
Build a countdown timer in React with: - A datetime-local input to pick any target date/time - Preset quick-pick buttons (1 hour, tomorrow, next week, New Year) - Live countdown updating every second, broken into days/hours/minutes/seconds - A "time's up" state once the target is reached - Dark theme, no dependencies