/* ==========================
   Top Navigation (loaded via nav.html)
   ========================== */
nav {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  gap: 18px;
  align-items: center;
  padding: 14px 20px;
  background: linear-gradient(180deg, rgba(15,15,18,.95), rgba(15,15,18,.85));
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(6px);
}
nav a {
  color: var(--muted);
  text-decoration: none;
  font-weight: 600;
  padding: 8px 10px;
  border-radius: 8px;
  transition: color .15s ease, background .15s ease;
}
nav a:hover { color: var(--text); background: rgba(124,92,255,.08); }
nav a.active {
  color: var(--text);
  background: rgba(124,92,255,.18);
  box-shadow: inset 0 0 0 1px rgba(124,92,255,.35);
}