from pydantic import BaseModel, EmailStr, Field
class LoginRequest(BaseModel):
    email: EmailStr
    password: str = Field(min_length=8)
class TokenResponse(BaseModel):
    access_token: str
    refresh_token: str
    token_type: str = "bearer"
class RefreshRequest(BaseModel):
    refresh_token: str
class ChangePasswordRequest(BaseModel):
    current_password: str
    new_password: str = Field(min_length=8)