nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: rgba(10,10,15,0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 1.5rem; height: var(--nav-h); gap: 1rem;
}

.nav-logo { display: flex; align-items: center; gap: 0.6rem; cursor: pointer; flex-shrink: 0; }
.nav-logo-mark { width: 30px; height: 30px; }
.nav-logo-text { font-family: 'Playfair Display', serif; font-size: 1.2rem; font-weight: 700; color: var(--gold); letter-spacing: 0.02em; }

.nav-links { display: flex; gap: 0.1rem; align-items: center; }
.nav-links button {
  background: none; border: none; color: var(--text-muted);
  font-family: 'Inter', sans-serif; font-size: 0.8rem; font-weight: 500;
  letter-spacing: 0.07em; text-transform: uppercase;
  padding: 0.5rem 0.75rem; cursor: pointer; border-radius: 4px;
  transition: color 0.2s, background 0.2s; white-space: nowrap;
}
.nav-links button:hover,
.nav-links button.active { color: var(--gold); background: rgba(201,168,76,0.08); }

.nav-right { display: flex; align-items: center; gap: 0.5rem; flex-shrink: 0; }
.nav-store-btn {
  background: none; border: 1px solid var(--border); color: var(--text-muted);
  font-family: 'Inter', sans-serif; font-size: 0.75rem; font-weight: 500;
  letter-spacing: 0.07em; text-transform: uppercase;
  padding: 0.4rem 0.85rem; border-radius: 4px; cursor: pointer;
  transition: all 0.2s; white-space: nowrap;
}
.nav-store-btn:hover { border-color: var(--gold); color: var(--gold); }

.nav-donate-btn {
  background: linear-gradient(135deg, var(--gold), #a8722e);
  color: #000; border: none;
  font-family: 'Inter', sans-serif; font-size: 0.75rem; font-weight: 700;
  letter-spacing: 0.07em; text-transform: uppercase;
  padding: 0.4rem 0.9rem; border-radius: 4px; cursor: pointer;
  transition: opacity 0.2s; white-space: nowrap;
}
.nav-donate-btn:hover { opacity: 0.88; }

#nav-admin-link {
  font-size: 0.75rem; color: var(--text-muted);
  background: none; border: none; font-family: 'Inter', sans-serif;
  cursor: pointer; opacity: 0.15; padding: 0.4rem; transition: opacity 0.2s;
}
#nav-admin-link:hover { opacity: 0.4; }

.nav-hamburger {
  display: none; flex-direction: column; gap: 5px;
  background: none; border: none; cursor: pointer; padding: 0.5rem;
}
.nav-hamburger span { display: block; width: 22px; height: 2px; background: var(--text-muted); border-radius: 2px; }

/* Mobile menu */
.mobile-menu {
  display: none;
  position: fixed; inset: 0; top: var(--nav-h); z-index: 99;
  background: rgba(10,10,15,0.98); backdrop-filter: blur(16px);
  flex-direction: column; padding: 2rem 1.5rem; gap: 0.5rem;
  border-top: 1px solid var(--border);
}
.mobile-menu.open { display: flex; }
.mobile-menu button {
  background: none; border: none; color: var(--text);
  font-family: 'Inter', sans-serif; font-size: 1.1rem; font-weight: 500;
  letter-spacing: 0.06em; text-transform: uppercase;
  padding: 1rem 0; cursor: pointer; border-bottom: 1px solid var(--border); text-align: left;
}
.mobile-menu button:hover { color: var(--gold); }
.mobile-menu-actions { display: flex; gap: 0.75rem; margin-top: 1rem; flex-wrap: wrap; }

@media (max-width: 768px) {
  nav { padding: 0 1rem; }
  .nav-links { display: none !important; }
  .nav-right  { display: none !important; }
  #nav-admin-link { display: none !important; }
  .nav-hamburger { display: flex !important; }
}