- Fix drawer/modal backdrop class names and is-visible transitions - Add protocol tab, settings tab, and command palette CSS - Add form-section-content as CSS alias for form-section-body - Add missing form CSS: form-hint, form-toggle, jump-host-row, preset-row - Add btn-outline, form-input-sm, form-select-sm styles - Replace window.prompt() with custom modal for WKWebView compatibility - Remove diagnostic banner and instrumentation