changes reverted back

S2FApp/static/s2f_styles.css

@@ -23,34 +23,16 @@ html, body, .stApp {
  *   when the Space is embedded and the iframe has a fixed height).
  * - The main column is the scroll container; the sidebar stays fixed beside it while main content scrolls.
  * - Requires matching --s2f-streamlit-header-offset so fixed sidebar/top padding clear Streamlit’s toolbar.
- * - HF/embed: wheel/touch at scroll boundaries can chain to the parent page (whole iframe moves, fixed
- *   sidebar looks like it scrolls away). overscroll-behavior + a strict #root chain reduces that.
  */
 html, body {
     height: 100% !important;
     overflow: hidden !important;
     margin: 0 !important;
-    overscroll-behavior-y: contain !important;
-}
-/* React mount: must participate in height % chain or body can grow and steal scroll from inner regions */
-#root {
-    height: 100% !important;
-    max-height: 100% !important;
-    min-height: 0 !important;
-    overflow: hidden !important;
-    overscroll-behavior-y: contain !important;
 }
 .stApp {
-    /* Prefer small-dynamic viewport in iframes (mobile URL bar); fall back to % + vh */
-    height: 100% !important;
     height: 100vh !important;
-    height: 100dvh !important;
-    height: 100svh !important;
-    max-height: 100vh !important;
     max-height: 100dvh !important;
-    max-height: 100svh !important;
     overflow: hidden !important;
-    overscroll-behavior-y: contain !important;
     display: flex !important;
     flex-direction: column !important;
 }
@@ -155,11 +137,8 @@ section[data-testid="stSidebar"] {
     width: 360px !important;
     height: calc(100dvh - var(--s2f-streamlit-header-offset, 0px)) !important;
     max-height: calc(100dvh - var(--s2f-streamlit-header-offset, 0px)) !important;
-    height: calc(100svh - var(--s2f-streamlit-header-offset, 0px)) !important;
-    max-height: calc(100svh - var(--s2f-streamlit-header-offset, 0px)) !important;
     overflow-x: hidden !important;
     overflow-y: auto !important;
-    overscroll-behavior-y: contain !important;
     scrollbar-gutter: stable !important;
     background:
         linear-gradient(180deg, #f8fafc 0%, #f1f5f9 100%),
@@ -609,7 +588,6 @@ hr { border-color: #cbd5e1 !important; opacity: 0.7; }
     overflow-x: hidden !important;
     scrollbar-gutter: stable !important;
     -webkit-overflow-scrolling: touch !important;
-    overscroll-behavior-y: contain !important;
     box-sizing: border-box !important;
 }
 /* Clear Streamlit’s fixed toolbar so the custom banner / first widgets aren’t clipped */