/* ---------- Navigation Bar ---------- */
nav {
  background: #1a1d22;
  padding: 10px 8px;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 8px;
  border-bottom: 1px solid #2b2f36;
}

/* Nav links - desktop & base */
nav a {
  color: #6ee7ff;
  text-decoration: none;
  margin: 6px 10px;
  font-weight: 500;
  border-radius: 6px;
  padding: 6px 10px;
  transition: all 0.25s ease;
}

nav a:hover {
  color: #9cf1ff;
  text-shadow: 0 0 8px #6ee7ff;
  background: rgba(20, 100, 100, 0.1);
}

/* Active tab highlight */
nav a.active {
  background: #10b981;
  color: white;
  box-shadow: 0 0 10px #10b981;
}

/* ---------- Mobile Layout ---------- */
@media (max-width: 768px) {
  nav {
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: space-evenly;
    gap: 4px;
    padding: 8px 5px;
  }

  nav a {
    flex: 1 1 40%;
    text-align: center;
    font-size: 15px;
    padding: 8px 6px;
    margin: 3px;
    background: #111827;
    border: 1px solid #222;
    box-shadow: 0 0 5px rgba(0, 0, 0, 0.2);
  }

  nav a.active {
    background: #10b981;
    color: #fff;
    border: none;
  }
}