.app-header{background:#fff;border-bottom:1px solid #e6e9ef;position:sticky;top:0;z-index:10}.app-header__content{align-items:center;display:flex;justify-content:space-between;padding:16px 0}.app-header__logo{color:#1f2937;font-weight:700;letter-spacing:-.02em;text-decoration:none}.app-nav{align-items:center;display:flex;gap:16px}.app-nav a{color:#364152;font-size:.95rem;font-weight:600;text-decoration:none}.app-nav a:hover{color:#111827}.app-footer{background:#f9fafb;border-top:1px solid #e6e9ef;margin-top:32px;padding:16px 0}.app-footer__content{align-items:center;color:#6b7280;font-size:.9rem;justify-content:space-between}.app-footer__content,.app-footer__links{display:flex;gap:16px}.app-footer__links a{color:#6b7280;text-decoration:none}.app-footer__links a:hover{color:#111827}