diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..14f5264
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,13 @@
+.PHONY: build run dev sqlc
+
+build:
+	go build -o bbq .
+
+run: build
+	./bbq
+
+dev: build
+	BBQ_FEATURES=auth ./bbq
+
+sqlc:
+	$(shell go env GOPATH)/bin/sqlc generate
diff --git a/auth.go b/auth.go
index a06c99c..41712d9 100644
--- a/auth.go
+++ b/auth.go
@@ -109,7 +109,7 @@ func (s *Server) handleLoginSubmit(w http.ResponseWriter, r *http.Request) {
 	}
 
 	code := generateCode()
-	expiresAt := time.Now().Add(10 * time.Minute)
+	expiresAt := time.Now().UTC().Add(10 * time.Minute)
 	s.q.CreateVerificationCode(r.Context(), db.CreateVerificationCodeParams{
 		Identifier: identifier,
 		Code:       code,
@@ -177,7 +177,7 @@ func (s *Server) handleVerifyCode(w http.ResponseWriter, r *http.Request) {
 
 	// Create session
 	token := generateSessionToken()
-	expiresAt := time.Now().Add(30 * 24 * time.Hour) // 30 days
+	expiresAt := time.Now().UTC().Add(30 * 24 * time.Hour) // 30 days
 	s.q.CreateSession(r.Context(), db.CreateSessionParams{
 		Token:     token,
 		UserID:    user.ID,
diff --git a/handlers.go b/handlers.go
index 000830c..d74f1ca 100644
--- a/handlers.go
+++ b/handlers.go
@@ -454,17 +454,42 @@ func (s *Server) handleSSE(w http.ResponseWriter, r *http.Request) {
 
 // --- Admin ---
 
-func (s *Server) handleAdmin(w http.ResponseWriter, r *http.Request) {
+// authorizeAdmin checks the admin token and (when auth is enabled) that the
+// logged-in user owns the event. Returns the event on success, nil on failure.
+// For page loads (isPage=true) it redirects to the guest view; for actions it
+// returns 403.
+func (s *Server) authorizeAdmin(w http.ResponseWriter, r *http.Request, isPage bool) *db.Event {
 	slug := chi.URLParam(r, "slug")
 	token := chi.URLParam(r, "token")
 
 	event, err := s.q.GetEventBySlug(r.Context(), slug)
 	if err != nil || event.AdminToken != token {
 		http.NotFound(w, r)
+		return nil
+	}
+
+	if s.features.Auth {
+		user := s.currentUser(r)
+		if user == nil || !event.UserID.Valid || user.ID != event.UserID.Int64 {
+			if isPage {
+				http.Redirect(w, r, "/e/"+slug, http.StatusSeeOther)
+			} else {
+				http.Error(w, "Forbidden", http.StatusForbidden)
+			}
+			return nil
+		}
+	}
+
+	return &event
+}
+
+func (s *Server) handleAdmin(w http.ResponseWriter, r *http.Request) {
+	event := s.authorizeAdmin(w, r, true)
+	if event == nil {
 		return
 	}
 
-	data, err := s.loadEventPage(r, slug, true)
+	data, err := s.loadEventPage(r, event.Slug, true)
 	if err != nil {
 		http.Error(w, "error", http.StatusInternalServerError)
 		return
@@ -473,12 +498,8 @@ func (s *Server) handleAdmin(w http.ResponseWriter, r *http.Request) {
 }
 
 func (s *Server) handleUpdateDescription(w http.ResponseWriter, r *http.Request) {
-	slug := chi.URLParam(r, "slug")
-	token := chi.URLParam(r, "token")
-
-	event, err := s.q.GetEventBySlug(r.Context(), slug)
-	if err != nil || event.AdminToken != token {
-		http.NotFound(w, r)
+	event := s.authorizeAdmin(w, r, false)
+	if event == nil {
 		return
 	}
 
@@ -491,16 +512,12 @@ func (s *Server) handleUpdateDescription(w http.ResponseWriter, r *http.Request)
 		ID:          event.ID,
 	})
 
-	http.Redirect(w, r, fmt.Sprintf("/e/%s/admin/%s", slug, token), http.StatusSeeOther)
+	http.Redirect(w, r, fmt.Sprintf("/e/%s/admin/%s", event.Slug, event.AdminToken), http.StatusSeeOther)
 }
 
 func (s *Server) handleCreateSlot(w http.ResponseWriter, r *http.Request) {
-	slug := chi.URLParam(r, "slug")
-	token := chi.URLParam(r, "token")
-
-	event, err := s.q.GetEventBySlug(r.Context(), slug)
-	if err != nil || event.AdminToken != token {
-		http.NotFound(w, r)
+	event := s.authorizeAdmin(w, r, false)
+	if event == nil {
 		return
 	}
 
@@ -527,7 +544,7 @@ func (s *Server) handleCreateSlot(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 
-	_, err = s.q.CreateSlot(r.Context(), db.CreateSlotParams{
+	_, err := s.q.CreateSlot(r.Context(), db.CreateSlotParams{
 		EventID: event.ID, Name: name, Emoji: emoji, MaxClaims: mc, SortOrder: 999,
 	})
 	if err != nil {
@@ -535,9 +552,9 @@ func (s *Server) handleCreateSlot(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 
-	s.notify(slug)
+	s.notify(event.Slug)
 
-	data, err := s.loadEventPage(r, slug, true)
+	data, err := s.loadEventPage(r, event.Slug, true)
 	if err != nil {
 		http.Error(w, "error", http.StatusInternalServerError)
 		return
@@ -546,12 +563,8 @@ func (s *Server) handleCreateSlot(w http.ResponseWriter, r *http.Request) {
 }
 
 func (s *Server) handleDeleteSlot(w http.ResponseWriter, r *http.Request) {
-	slug := chi.URLParam(r, "slug")
-	token := chi.URLParam(r, "token")
-
-	event, err := s.q.GetEventBySlug(r.Context(), slug)
-	if err != nil || event.AdminToken != token {
-		http.NotFound(w, r)
+	event := s.authorizeAdmin(w, r, false)
+	if event == nil {
 		return
 	}
 
@@ -562,9 +575,9 @@ func (s *Server) handleDeleteSlot(w http.ResponseWriter, r *http.Request) {
 	}
 
 	s.q.DeleteSlot(r.Context(), slotID)
-	s.notify(slug)
+	s.notify(event.Slug)
 
-	data, err := s.loadEventPage(r, slug, true)
+	data, err := s.loadEventPage(r, event.Slug, true)
 	if err != nil {
 		http.Error(w, "error", http.StatusInternalServerError)
 		return
diff --git a/templates/event.html b/templates/event.html
index 2b6c795..03aa757 100644
--- a/templates/event.html
+++ b/templates/event.html
@@ -15,7 +15,7 @@
 <meta name="twitter:image" content="{{.BaseURL}}/e/{{.Event.Slug}}/og.png">
 {{end}}
 
-{{define "admin-bar"}}{{if .IsAdmin}}<div class="admin-bar">ADMIN VIEW — share the guest link: /e/{{.Event.Slug}}</div>{{end}}{{end}}
+{{define "admin-bar"}}{{if .IsAdmin}}<div class="admin-bar">ADMIN VIEW — <button onclick="navigator.clipboard.writeText(window.location.origin+'/e/{{.Event.Slug}}').then(()=>{this.textContent='Copied!';setTimeout(()=>{this.textContent='Copy guest link'},1500)})" style="background:none;border:none;font-family:inherit;font-size:inherit;cursor:pointer;text-decoration:underline;color:inherit;">Copy guest link</button></div>{{end}}{{end}}
 
 {{define "content"}}
 <div class="event-header">