body {
  font-family: 'Poppins', sans-serif;
  background-color: #f4f6f9;
}

.main-sidebar {
  background: linear-gradient(180deg, #1e293b, #0f172a) !important;
}

.brand-link {
  background: rgba(255, 255, 255, 0.05) !important;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1) !important;
}

.nav-sidebar .nav-link.active {
  background-color: #3b82f6 !important;
  color: #fff !important;
  box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

.nav-sidebar .nav-link:hover:not(.active) {
  background-color: rgba(255, 255, 255, 0.1) !important;
  color: #fff !important;
}

.card {
  border: none !important;
  border-radius: 12px !important;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03) !important;
}

.info-box {
  border-radius: 12px !important;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05) !important;
}

.main-header {
  border-bottom: 1px solid #e2e8f0 !important;
}

.fade-in {
  animation: fadeIn 0.4s ease-out;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(8px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.form-control:focus {
  border-color: #3b82f6;
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}

.btn-3d {
  background: #3b82f6;
  color: #ffffff;
  padding: 8px 16px;
  border: none;
  border-radius: 8px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.1s ease;
  box-shadow: 0 4px 0 #1d4ed8;
}

.btn-3d:active {
  box-shadow: 0 1px 0 #1d4ed8;
  transform: translateY(3px);
}