Calendar Picker
Custom styled date picker. Month grid with keyboard-friendly day selection. Submits ISO 8601 value via hidden input. No external library.
form calendar-picker
Usage
form.CalendarPicker(form.CalendarPickerProps{
Name: "start_date",
Value: "2026-06-10",
Min: "2026-01-01",
Placeholder: "Pick a date…",
})