fix(sw): preserve theme token inheritance across viewer components

packages/sw/src/theme/sw-footer.css

@@ -1,10 +1,10 @@
 /* @hm-design/sw — SW Footer (Figma "레이아웃 분리" 26:10097 bottom bar, components 26:9459 … 26:10097, read
    through the Figma Plugin API 2026-10-20). Footer-only tokens. Text keeps the SW typography of sw.css
    (Noto Sans KR instead of Dotum, black OUTSIDE outline as 16 text-shadows, own-color 0.3 / 0.4px strokes removed
-   like the 2026-10-16 header fix). Never touches global selectors, SWHeader or SWPopup classes. */
+   like the 2026-10-16 header fix). Never touches global selectors, SWHeader or SWPopup classes.
+   Declared on the outermost SW scope only, like sw.css: the command line inside the bar inherits the tokens. */
 
-.hm-sw-header,
-.hm-sw-theme {
+:is(.hm-sw-header, .hm-sw-theme):not(:where(.hm-sw-header, .hm-sw-theme) *) {
   /* Bar (26:10098 background, 72px high, #060606) */
   --hm-sw-footer-height: 72px;
   --hm-sw-footer-background: #060606;