security: clean repository without media files and sensitive data

- Removed area/ directory with 816MB of media files
- Removed sensitive FTP credentials from Git history
- Implemented .env.upload system for secure deployments
- Added comprehensive .gitignore for future protection

This commit represents a clean slate with all sensitive data removed.

frontend/src/global.css

@@ -0,0 +1,17 @@
+.ant-tabs {
+    border-radius: 0px;
+    padding: 0px;
+}
+
+.ant-tabs > .ant-tabs-nav {
+    position: sticky;
+    top: 0px;
+    z-index: 100;
+    padding: 9px 32px;
+    margin-bottom: 0px;
+}
+
+.ant-tabs-content {
+    padding: 0px 32px;
+    overflow: auto;
+}