diff --git a/backend/auth.py b/backend/auth.py
index 2765c35..22fbaf8 100644
--- a/backend/auth.py
+++ b/backend/auth.py
@@ -15,6 +15,7 @@ SECRET_KEY = os.environ["SECRET_KEY"]  # Required - see .env.example
 ALGORITHM = "HS256"
 ACCESS_TOKEN_EXPIRE_MINUTES = 60 * 24 * 7  # 7 days
 COOKIE_NAME = "auth_token"
+COOKIE_SECURE = os.environ.get("COOKIE_SECURE", "false").lower() == "true"
 
 
 def verify_password(plain_password: str, hashed_password: str) -> bool:
diff --git a/backend/env.example b/backend/env.example
index 452a2bd..c90a230 100644
--- a/backend/env.example
+++ b/backend/env.example
@@ -9,6 +9,9 @@ SECRET_KEY=
 # Database URL
 DATABASE_URL=postgresql+asyncpg://postgres:postgres@localhost:5432/arbret
 
+# Cookie security: set to "true" in production with HTTPS
+COOKIE_SECURE=false
+
 # Dev user credentials (regular user)
 DEV_USER_EMAIL=
 DEV_USER_PASSWORD=
diff --git a/backend/main.py b/backend/main.py
index 6002765..1149f14 100644
--- a/backend/main.py
+++ b/backend/main.py
@@ -38,3 +38,4 @@ app.include_router(counter_routes.router)
 app.include_router(audit_routes.router)
 app.include_router(profile_routes.router)
 app.include_router(invites_routes.router)
+app.include_router(invites_routes.admin_router)
diff --git a/backend/routes/audit.py b/backend/routes/audit.py
index 94388bd..8144497 100644
--- a/backend/routes/audit.py
+++ b/backend/routes/audit.py
@@ -114,4 +114,3 @@ async def get_sum_records(
         per_page=per_page,
         total_pages=total_pages,
     )
-
diff --git a/backend/routes/auth.py b/backend/routes/auth.py
index 46e5068..5763cb2 100644
--- a/backend/routes/auth.py
+++ b/backend/routes/auth.py
@@ -8,6 +8,7 @@ from sqlalchemy.ext.asyncio import AsyncSession
 from auth import (
     ACCESS_TOKEN_EXPIRE_MINUTES,
     COOKIE_NAME,
+    COOKIE_SECURE,
     get_password_hash,
     get_user_by_email,
     authenticate_user,
@@ -30,7 +31,7 @@ def set_auth_cookie(response: Response, token: str) -> None:
         key=COOKIE_NAME,
         value=token,
         httponly=True,
-        secure=False,  # Set to True in production with HTTPS
+        secure=COOKIE_SECURE,
         samesite="lax",
         max_age=ACCESS_TOKEN_EXPIRE_MINUTES * 60,
     )
@@ -132,4 +133,3 @@ async def get_me(
 ) -> UserResponse:
     """Get the current authenticated user's info."""
     return await build_user_response(current_user, db)
-
diff --git a/backend/routes/counter.py b/backend/routes/counter.py
index f53fcff..034766e 100644
--- a/backend/routes/counter.py
+++ b/backend/routes/counter.py
@@ -51,4 +51,3 @@ async def increment_counter(
     db.add(record)
     await db.commit()
     return {"value": counter.value}
-
diff --git a/backend/routes/invites.py b/backend/routes/invites.py
index 58c4c29..46f9948 100644
--- a/backend/routes/invites.py
+++ b/backend/routes/invites.py
@@ -20,7 +20,8 @@ from schemas import (
 )
 
 
-router = APIRouter(tags=["invites"])
+router = APIRouter(prefix="/api/invites", tags=["invites"])
+admin_router = APIRouter(prefix="/api/admin", tags=["admin"])
 
 MAX_INVITE_COLLISION_RETRIES = 3
 
@@ -41,11 +42,7 @@ def build_invite_response(invite: Invite) -> InviteResponse:
     )
 
 
-# =============================================================================
-# Public Endpoints
-# =============================================================================
-
-@router.get("/api/invites/{identifier}/check", response_model=InviteCheckResponse)
+@router.get("/{identifier}/check", response_model=InviteCheckResponse)
 async def check_invite(
     identifier: str,
     db: AsyncSession = Depends(get_db),
@@ -69,11 +66,7 @@ async def check_invite(
     return InviteCheckResponse(valid=True, status=invite.status.value)
 
 
-# =============================================================================
-# User Endpoints (requires VIEW_OWN_INVITES permission)
-# =============================================================================
-
-@router.get("/api/invites", response_model=list[UserInviteResponse])
+@router.get("", response_model=list[UserInviteResponse])
 async def get_my_invites(
     db: AsyncSession = Depends(get_db),
     current_user: User = Depends(require_permission(Permission.VIEW_OWN_INVITES)),
@@ -100,11 +93,7 @@ async def get_my_invites(
     ]
 
 
-# =============================================================================
-# Admin Endpoints (requires MANAGE_INVITES permission)
-# =============================================================================
-
-@router.get("/api/admin/users", response_model=list[AdminUserResponse])
+@admin_router.get("/users", response_model=list[AdminUserResponse])
 async def list_users_for_admin(
     db: AsyncSession = Depends(get_db),
     _current_user: User = Depends(require_permission(Permission.MANAGE_INVITES)),
@@ -115,7 +104,7 @@ async def list_users_for_admin(
     return [AdminUserResponse(id=u.id, email=u.email) for u in users]
 
 
-@router.post("/api/admin/invites", response_model=InviteResponse)
+@admin_router.post("/invites", response_model=InviteResponse)
 async def create_invite(
     data: InviteCreate,
     db: AsyncSession = Depends(get_db),
@@ -163,7 +152,7 @@ async def create_invite(
     return build_invite_response(invite)
 
 
-@router.get("/api/admin/invites", response_model=PaginatedInviteRecords)
+@admin_router.get("/invites", response_model=PaginatedInviteRecords)
 async def list_all_invites(
     page: int = Query(1, ge=1),
     per_page: int = Query(10, ge=1, le=100),
@@ -216,7 +205,7 @@ async def list_all_invites(
     )
 
 
-@router.post("/api/admin/invites/{invite_id}/revoke", response_model=InviteResponse)
+@admin_router.post("/invites/{invite_id}/revoke", response_model=InviteResponse)
 async def revoke_invite(
     invite_id: int,
     db: AsyncSession = Depends(get_db),
@@ -244,4 +233,3 @@ async def revoke_invite(
     await db.refresh(invite)
 
     return build_invite_response(invite)
-
diff --git a/backend/routes/profile.py b/backend/routes/profile.py
index d8679dc..aba4cc4 100644
--- a/backend/routes/profile.py
+++ b/backend/routes/profile.py
@@ -91,4 +91,3 @@ async def update_profile(
         nostr_npub=current_user.nostr_npub,
         godfather_email=godfather_email,
     )
-
diff --git a/backend/routes/sum.py b/backend/routes/sum.py
index 8bae906..ab0bbfa 100644
--- a/backend/routes/sum.py
+++ b/backend/routes/sum.py
@@ -28,4 +28,3 @@ async def calculate_sum(
     db.add(record)
     await db.commit()
     return SumResponse(a=data.a, b=data.b, result=result)
-
diff --git a/backend/schemas.py b/backend/schemas.py
index b033d97..a8e7f38 100644
--- a/backend/schemas.py
+++ b/backend/schemas.py
@@ -5,10 +5,6 @@ from typing import Generic, TypeVar
 from pydantic import BaseModel, EmailStr
 
 
-# =============================================================================
-# Auth Schemas
-# =============================================================================
-
 class UserCredentials(BaseModel):
     """Base model for user email/password."""
     email: EmailStr
@@ -27,13 +23,6 @@ class UserResponse(BaseModel):
     permissions: list[str]
 
 
-class TokenResponse(BaseModel):
-    """Response model for token-based auth (unused but kept for API completeness)."""
-    access_token: str
-    token_type: str
-    user: UserResponse
-
-
 class RegisterWithInvite(BaseModel):
     """Request model for registration with invite."""
     email: EmailStr
@@ -41,19 +30,6 @@ class RegisterWithInvite(BaseModel):
     invite_identifier: str
 
 
-# =============================================================================
-# Counter Schemas
-# =============================================================================
-
-class CounterValue(BaseModel):
-    """Response model for counter value."""
-    value: int
-
-
-# =============================================================================
-# Sum Schemas
-# =============================================================================
-
 class SumRequest(BaseModel):
     """Request model for sum calculation."""
     a: float
@@ -67,10 +43,6 @@ class SumResponse(BaseModel):
     result: float
 
 
-# =============================================================================
-# Audit Schemas
-# =============================================================================
-
 class CounterRecordResponse(BaseModel):
     """Response model for a counter audit record."""
     id: int
@@ -90,10 +62,6 @@ class SumRecordResponse(BaseModel):
     created_at: datetime
 
 
-# =============================================================================
-# Pagination (Generic)
-# =============================================================================
-
 RecordT = TypeVar("RecordT", bound=BaseModel)
 
 
@@ -110,10 +78,6 @@ PaginatedCounterRecords = PaginatedResponse[CounterRecordResponse]
 PaginatedSumRecords = PaginatedResponse[SumRecordResponse]
 
 
-# =============================================================================
-# Profile Schemas
-# =============================================================================
-
 class ProfileResponse(BaseModel):
     """Response model for profile data."""
     contact_email: str | None
@@ -131,10 +95,6 @@ class ProfileUpdate(BaseModel):
     nostr_npub: str | None = None
 
 
-# =============================================================================
-# Invite Schemas
-# =============================================================================
-
 class InviteCheckResponse(BaseModel):
     """Response for invite check endpoint."""
     valid: bool
@@ -174,12 +134,7 @@ class UserInviteResponse(BaseModel):
 PaginatedInviteRecords = PaginatedResponse[InviteResponse]
 
 
-# =============================================================================
-# Admin Schemas
-# =============================================================================
-
 class AdminUserResponse(BaseModel):
     """Minimal user info for admin dropdowns."""
     id: int
     email: str
-