<x-input> marks its field root data-md-input, and components/input.css
brings what it renders, the field and its icons, so an application
imports one file per component (plan step 36).
Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01Qwx5USif3wFFmxtHg5U1g9