export function setCookie(name: string, value: string, days = 365): void {
  const expires = new Date(Date.now() + days * 24 * 60 * 60 * 1000).toUTCString();
  document.cookie = `${encodeURIComponent(name)}=${encodeURIComponent(value)}; expires=${expires}; path=/; SameSite=Lax`;
}

export function getCookie(name: string): string | null {
  const key = `${encodeURIComponent(name)}=`;
  const parts = document.cookie.split(';');
  for (const part of parts) {
    const trimmed = part.trim();
    if (trimmed.startsWith(key)) {
      return decodeURIComponent(trimmed.slice(key.length));
    }
  }
  return null;
}