\", unsafe_allow_html=True)\n\n # Large image\n st.image(img_path, width='stretch')\n # b64 = load_image_base64(img_path)\n # st.markdown(\n # f\"
\",\n # unsafe_allow_html=True\n # )\n\n # Filename\n st.markdown(\n f\"
{filename}
\",\n unsafe_allow_html=True,\n )\n\n # Index (1-based)\n st.markdown(\n f\"
{idx + 1} / {n}
\",\n unsafe_allow_html=True,\n )\n\n # Meta info (centered block, left-aligned text)\n meta = ss[\"meta\"].get(filename)\n if meta is not None:\n render_meta(\n meta,\n font_size=10,\n margin_top=0.2,\n center_block=True,\n target_keys=[\n \"Dry_Total_g\",\n \"GDM_g\",\n \"Dry_Clover_g\",\n \"Dry_Green_g\",\n \"Dry_Dead_g\",\n ],\n )\n\n # Navigation buttons (previous / next)\n nav_prev, _, nav_next = st.columns([1, 8, 1])\n with nav_prev:\n if st.button(\"← Previous\", disabled=(idx == 0)):\n ss[\"selected_index\"] = max(0, idx - 1)\n with nav_next:\n if st.button(\"Next →\", disabled=(idx == n - 1)):\n ss[\"selected_index\"] = min(n - 1, idx + 1)\n\n # Back to thumbnails\n st.markdown(\"
\", unsafe_allow_html=True)\n if st.button(\"⬅ Back to Thumbnails\"):\n ss[\"selected_index\"] = None\n st.markdown(\"
\", unsafe_allow_html=True)\n\n st.markdown(\"