fix: ui tweaks including button styles, texts, and missing account link

lib/consent-store.ts

@@ -0,0 +1,65 @@
+import { create } from 'zustand';
+
+interface ConsentState {
+  isInitialized: boolean;
+  isOpen: boolean;
+  analytics: boolean;
+  marketing: boolean;
+  initialize: () => void;
+  openBanner: () => void;
+  closeBanner: () => void;
+  setConsent: (analytics: boolean, marketing: boolean) => void;
+  acceptAll: () => void;
+  rejectOptional: () => void;
+}
+
+const CONSENT_KEY = 'airproject_cookie_consent_v2';
+
+export const useConsentStore = create<ConsentState>((set) => ({
+  isInitialized: false,
+  isOpen: false,
+  analytics: false,
+  marketing: false,
+
+  initialize: () => {
+    if (typeof window !== 'undefined') {
+      const stored = localStorage.getItem(CONSENT_KEY);
+      if (stored) {
+        try {
+          const parsed = JSON.parse(stored);
+          set({
+            isInitialized: true,
+            isOpen: false,
+            analytics: !!parsed.analytics,
+            marketing: !!parsed.marketing,
+          });
+        } catch (e) {
+          // If parsing fails, show banner
+          set({ isInitialized: true, isOpen: true });
+        }
+      } else {
+        // No consent found, show banner
+        set({ isInitialized: true, isOpen: true });
+      }
+    }
+  },
+
+  openBanner: () => set({ isOpen: true }),
+  
+  closeBanner: () => set({ isOpen: false }),
+
+  setConsent: (analytics, marketing) => {
+    localStorage.setItem(CONSENT_KEY, JSON.stringify({ essential: true, analytics, marketing }));
+    set({ analytics, marketing, isOpen: false });
+  },
+
+  acceptAll: () => {
+    localStorage.setItem(CONSENT_KEY, JSON.stringify({ essential: true, analytics: true, marketing: true }));
+    set({ analytics: true, marketing: true, isOpen: false });
+  },
+
+  rejectOptional: () => {
+    localStorage.setItem(CONSENT_KEY, JSON.stringify({ essential: true, analytics: false, marketing: false }));
+    set({ analytics: false, marketing: false, isOpen: false });
+  }
+}));