Labeled Input With Helper Text
The baseline every other field extends. Label, field, and a message region that already occupies its line at rest so the form does not grow when an error appears.
Create a text input component with a visible label above the field, wired with a generated id and a matching for attribute rather than wrapping the input in the label. Below it, a helper text line linked through aria-describedby. Reserve the height of that line at rest so the form does not shift when an error replaces it. The field is 40px tall with an 8px radius, a 1px grey border, and a 2px focus-visible ring offset from the border. Add a required prop that sets the required attribute and appends a visually hidden "required" to the label rather than relying on an asterisk alone. Accept type, inputMode and autocomplete as props with no defaults, so each call site declares them.



