body {
  font-family: 'Noto Sans Thai', sans-serif !important;
  background: linear-gradient(to top right, #f5f7fa, #e6ecf8);
  min-height: 100vh;
}

/* Navbar */
.navbar {
  background: linear-gradient(90deg, #4A00E0, #8E2DE2) !important;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}
.navbar-brand, .nav-link {
  color: #fff !important;
  font-weight: 500;
}
.nav-link:hover, .nav-link.active {
  background-color: rgba(255, 255, 255, 0.2);
  border-radius: 0.5rem;
}
.navbar .navbar-logo {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  object-fit: cover;
  margin-right: 10px;
}

h2 {
  text-align: center;
  font-size: 2.5rem;
  margin: 30px 0 40px 0;
  color: #4A00E0 !important;
  font-weight: 700;
}

/* Footer  */
footer {
  background: linear-gradient(90deg, #263238, #37474f);
  color: #fff;
  margin-top: 40px;
}
footer a {
  color: #90caf9;
  text-decoration: none;
}
footer a:hover {
  text-decoration: underline;
}