diff --git a/adminer-full/Dockerfile b/adminer-full/Dockerfile
index 052af99..13726c8 100644
--- a/adminer-full/Dockerfile
+++ b/adminer-full/Dockerfile
@@ -29,6 +29,8 @@ RUN echo '@community http://nl.alpinelinux.org/alpine/v3.22/community' >> /etc/a
     unzip /tmp/adminer-$ADMINER_VERSION.zip -d /tmp && \
     mkdir -p /srv/plugins && \
     mv /tmp/adminer-$ADMINER_VERSION/plugins/* /srv/plugins/ 2>/dev/null || true && \
+    mkdir -p /srv/designs && \
+    mv /tmp/adminer-$ADMINER_VERSION/designs/* /srv/designs/ 2>/dev/null || true && \
     rm -rf /tmp/* && \
     mkdir -p /srv/adminer-plugins && \
     ln -s /usr/bin/php84 /usr/bin/php && \
diff --git a/adminer-full/entrypoint.sh b/adminer-full/entrypoint.sh
index 03202b8..2023901 100644
--- a/adminer-full/entrypoint.sh
+++ b/adminer-full/entrypoint.sh
@@ -27,6 +27,27 @@ else
     echo "[adminer] No driver plugins directory found at /srv/plugins/drivers, skipping..."
 fi
 
+# Copy theme CSS files based on ADMINER_THEME environment variable
+if [ -n "${ADMINER_THEME}" ]; then
+    THEME_DIR="/srv/designs/${ADMINER_THEME}"
+    if [ -d "${THEME_DIR}" ]; then
+        if [ -f "${THEME_DIR}/adminer.css" ]; then
+            cp "${THEME_DIR}/adminer.css" /srv/adminer.css
+            echo "[adminer] Theme '${ADMINER_THEME}' applied successfully."
+        else
+            echo "[adminer] Warning: Theme '${ADMINER_THEME}' does not contain adminer.css"
+        fi
+        if [ -f "${THEME_DIR}/adminer-dark.css" ]; then
+            cp "${THEME_DIR}/adminer-dark.css" /srv/adminer-dark.css
+            echo "[adminer] Dark mode CSS for theme '${ADMINER_THEME}' applied."
+        fi
+    else
+        echo "[adminer] Warning: Theme '${ADMINER_THEME}' not found in /srv/designs/"
+        echo "[adminer] Available themes:"
+        ls -1 /srv/designs/ 2>/dev/null || echo "[adminer] No themes available."
+    fi
+fi
+
 # Set default values if not provided
 MEMORY=${MEMORY:-256M}
 UPLOAD=${UPLOAD:-2048M}