.top-nav{position:sticky;top:0;z-index:1100;width:100%;background:#fffffff2;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);box-shadow:0 2px 20px #0f172a1a}.top-nav__inner{max-width:1200px;margin:0 auto;padding:1rem 2rem;display:flex;justify-content:space-between;align-items:center;gap:1rem}.top-nav__logo{font-size:1.5rem;font-weight:700;background:linear-gradient(135deg,#667eea,#764ba2);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;text-decoration:none;letter-spacing:-.01em}.top-nav__actions{display:flex;align-items:center;gap:.75rem}.top-nav__user{display:none;align-items:center;gap:.75rem;color:#475569;font-size:.95rem}.top-nav__button{display:inline-flex;align-items:center;justify-content:center;gap:.4rem;padding:.65rem 1.5rem;border-radius:999px;border:none;background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;font-weight:600;font-size:.95rem;cursor:pointer;text-decoration:none;transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease;white-space:nowrap}.top-nav__button:hover{transform:translateY(-1px);box-shadow:0 8px 20px #667eea4d}.top-nav__button--secondary{background:transparent;color:#4f46e5;border:1px solid rgba(99,102,241,.35)}.top-nav__button--secondary:hover{background:#6366f114;box-shadow:none}.top-nav__button--pending{opacity:.85}.top-nav__button:disabled,.top-nav__button[aria-disabled=true]{cursor:not-allowed;opacity:.6;box-shadow:none}@media (max-width: 768px){.top-nav__inner{padding:.85rem 1.25rem;gap:.75rem}.top-nav__logo{font-size:1.25rem}.top-nav__actions{gap:.6rem}.top-nav__button{padding:.55rem 1.2rem;font-size:.9rem}}@media (max-width: 640px){.top-nav__inner{flex-direction:column;align-items:flex-start;gap:.75rem}.top-nav__actions{width:100%;flex-wrap:wrap;justify-content:flex-start}.top-nav__user{width:100%;justify-content:space-between}}