<x-select> marks its field root data-md-select, and what a <select> changes in the field — covering the whole box, the customizable select's closed button, the focused look and turned arrow while open — moves from field.css to components/select.css (plan step 36). The open list stays in menu.css until the menu leaves Tailwind. Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01Qwx5USif3wFFmxtHg5U1g9