body {
  background-color: #f8f9fa;
  min-height: 100vh;
}

.navbar {
  box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.nav-link {
  cursor: pointer;
  transition: all 0.3s;
}

.nav-link.active {
  background-color: rgba(255,255,255,0.1);
  border-radius: 4px;
}

.nav-link:hover {
  background-color: rgba(255,255,255,0.05);
  border-radius: 4px;
}

.card {
  border: none;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
  transition: transform 0.2s, box-shadow 0.2s;
}

.card:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

.tab-content {
  animation: fadeIn 0.3s;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.table {
  background: white;
}

.table-hover tbody tr:hover {
  background-color: rgba(0,0,0,0.025);
}

.font-monospace {
  font-family: 'Courier New', monospace;
}

.badge {
  font-weight: 500;
}

.btn {
  transition: all 0.2s;
}

.btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

.modal-content {
  border: none;
  box-shadow: 0 10px 40px rgba(0,0,0,0.3);
}

.list-group-item {
  transition: background-color 0.2s;
}

.list-group-item:hover {
  background-color: rgba(0,0,0,0.02);
}

.spinner-border {
  vertical-align: middle;
}

.text-truncate {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

#auth-page {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  min-height: 100vh;
  display: flex;
  align-items: center;
}

#auth-page .card {
  border-radius: 15px;
}

.card-header {
  background-color: white;
  border-bottom: 2px solid #f0f0f0;
}

.alert {
  border-radius: 8px;
}

.form-control:focus,
.form-select:focus {
  border-color: #667eea;
  box-shadow: 0 0 0 0.2rem rgba(102, 126, 234, 0.25);
}

.bg-primary { background-color: #667eea !important; }
.bg-success { background-color: #06b6d4 !important; }
.bg-info { background-color: #3b82f6 !important; }
.bg-warning { background-color: #f59e0b !important; }
.bg-danger { background-color: #ef4444 !important; }

.card-body .bi {
  vertical-align: middle;
}

.table thead th {
  background-color: #f8f9fa;
  border-bottom: 2px solid #dee2e6;
  font-weight: 600;
}

.dropdown-menu {
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
  border: none;
}

@media (max-width: 768px) {
  .container-fluid {
    padding-left: 15px;
    padding-right: 15px;
  }
  
  .card {
    margin-bottom: 1rem;
  }
  
  .table {
    font-size: 0.875rem;
  }
}