feat: Upgrade to Astro with full PDPA compliance

PDPA Features:
✅ Cookie consent banner
✅ Consent logging API
✅ Admin dashboard
✅ Privacy Policy
✅ Terms & Conditions

Technical:
✅ Astro 5.x + Tailwind v4
✅ Docker on port 80
✅ SQLite database
✅ 15 pages built

Ready for Easypanel deployment.

node_modules/css-tree/lib/syntax/function/var.js

@@ -0,0 +1,39 @@
+import { Comma, WhiteSpace } from '../../tokenizer/index.js';
+
+// var( <ident> , <value>? )
+export default function() {
+    const children = this.createList();
+
+    this.skipSC();
+
+    // NOTE: Don't check more than a first argument is an ident, rest checks are for lexer
+    children.push(this.Identifier());
+
+    this.skipSC();
+
+    if (this.tokenType === Comma) {
+        children.push(this.Operator());
+
+        const startIndex = this.tokenIndex;
+        const value = this.parseCustomProperty
+            ? this.Value(null)
+            : this.Raw(this.consumeUntilExclamationMarkOrSemicolon, false);
+
+        if (value.type === 'Value' && value.children.isEmpty) {
+            for (let offset = startIndex - this.tokenIndex; offset <= 0; offset++) {
+                if (this.lookupType(offset) === WhiteSpace) {
+                    value.children.appendData({
+                        type: 'WhiteSpace',
+                        loc: null,
+                        value: ' '
+                    });
+                    break;
+                }
+            }
+        }
+
+        children.push(value);
+    }
+
+    return children;
+};