.navbar-premium {
  background: #ffffff;
  border-bottom: 1px solid #e2e8f0;
  padding: 0.5rem 0;
  transition: all 0.3s ease;
}

.navbar-brand {
    font-family: 'Sarabun', sans-serif;
    font-weight: 800;
}

.brand-logo-container {
  width: 40px;
  height: 40px;
  background: #ffffff;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  position: relative;
  overflow: hidden;
  flex-shrink: 0;
}

.brand-logo-container::after {
  content: '';
  position: absolute;
  width: 20px;
  height: 100%;
  background: rgba(255, 255, 255, 0.6);
  transform: skewX(-25deg);
  left: -40px;
  animation: logoShine 3s infinite;
}

@keyframes logoShine {
  0% { left: -60px; }
  30% { left: 100%; }
  100% { left: 100%; }
}

.brand-logo-container i {
  background: linear-gradient(135deg, #2e93ff, #1565c0);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  font-size: 1.3rem;
  filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.05));
}

.navbar-premium .nav-link {
  font-weight: 700;
  color: #475569 !important;
  padding: 0.5rem 1.25rem !important;
  border-radius: 50px;
  transition: all 0.25s ease;
  display: flex;
  align-items: center;
  gap: 8px;
}

.navbar-premium .nav-link:hover {
  color: #1e293b !important;
  background: rgba(30, 41, 59, 0.05);
}

.navbar-premium .nav-link.active {
  color: #1e293b !important;
  background: rgba(30, 41, 59, 0.08);
  box-shadow: inset 0 2px 4px rgba(0,0,0,0.02);
}

.navbar-toggler i {
  color: #1e293b;
}

.navbar-toggler {
    border-color: rgba(30, 41, 59, 0.1);
}