:root {
  /* Professional Gaming Developer Palette */
  --gamedev-primary: #2a4d8e;       /* Deep blue for primary actions */
  --gamedev-primary-dark: #1a3a6e;  /* Darker primary for hover */
  --gamedev-primary-light: #4a6db0; /* Lighter primary for accents */
  
  --gamedev-secondary: #5a6268;     /* Professional gray */
  --gamedev-secondary-dark: #434a50; /* Darker secondary */
  --gamedev-secondary-light: #7a8288; /* Lighter secondary */
  
  /* Enhanced Neutral Scale */
  --gamedev-gray-50: #f9fafb;
  --gamedev-gray-100: #f3f4f6;
  --gamedev-gray-200: #e5e7eb;
  --gamedev-gray-300: #d1d5db;
  --gamedev-gray-400: #9ca3af;
  --gamedev-gray-500: #6b7280;
  --gamedev-gray-600: #4b5563;
  --gamedev-gray-700: #4a4a4a;
  --gamedev-gray-800: #1f2937;
  --gamedev-gray-900: #333333;
  --gamedev-gray-999: #1a1a1a;
  --gamedev-gray-1000: #191c1b;
  
  /* Gaming-Specific Semantic Colors */
  --gamedev-success: #0d9f6e;       /* Rich green for success */
  --gamedev-warning: #f59e0b;       /* Amber for warnings */
  --gamedev-danger: #ef4444;        /* Red for errors */
  --gamedev-info: #0ea5e9;          /* Sky blue for info */
  --gamedev-accent: #8b5cf6;        /* Purple for special features */
  
  /* Gaming-Specific Colors */
  --gamedev-node-bg: #2d3748;       /* Dark node background */
  --gamedev-node-border: #4a5568;   /* Node border */
  --gamedev-node-selected: #4c618d; /* Selected node */
  --gamedev-node-hover: #4a5568;    /* Hovered node */
  
  /* Professional Shadows */
  --gamedev-shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.05);
  --gamedev-shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
  --gamedev-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --gamedev-shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --gamedev-shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  
  /* Border Radius */
  --gamedev-border-radius: 0.175rem;
  --gamedev-border-radius-md: 0.25rem;
  --gamedev-border-radius-lg: 0.15rem;
  --gamedev-border-radius-xl: 0.15rem;
  
  /* Spacing */
  --gamedev-spacing-xs: 0.25rem;
  --gamedev-spacing-sm: 0.5rem;
  --gamedev-spacing-md: 1rem;
  --gamedev-spacing-lg: 1.5rem;
  --gamedev-spacing-xl: 2rem;
  
  /* Typography */
  --gamedev-font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --gamedev-font-mono: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;
}

/* Bootstrap Variable Overrides */
:root {
  --bs-primary: var(--gamedev-primary);
  --bs-primary-rgb: 42, 77, 142;
  --bs-secondary: var(--gamedev-secondary);
  --bs-secondary-rgb: 90, 98, 104;
  --bs-success: var(--gamedev-success);
  --bs-success-rgb: 13, 159, 110;
  --bs-info: var(--gamedev-info);
  --bs-warning: var(--gamedev-warning);
  --bs-danger: var(--gamedev-danger);
  --bs-light: var(--gamedev-gray-100);
  --bs-dark: var(--gamedev-gray-900);
  --bs-body-color: var(--gamedev-gray-800);
  --bs-body-bg: var(--gamedev-gray-50);
  --bs-border-color: var(--gamedev-gray-200);
  --bs-border-radius: var(--gamedev-border-radius);
  --bs-border-radius-lg: var(--gamedev-border-radius-lg);
  --bs-box-shadow: var(--gamedev-shadow);
  --bs-box-shadow-sm: var(--gamedev-shadow-sm);
  --bs-box-shadow-lg: var(--gamedev-shadow-lg);
  --bs-font-sans-serif: var(--gamedev-font-sans);
  --bs-font-monospace: var(--gamedev-font-mono);
}

/* Dark Theme */
[data-theme="dark"] {
  --bs-body-color: var(--gamedev-gray-200);
  --bs-body-bg: var(--gamedev-gray-900);
  --bs-border-color: var(--gamedev-gray-700);
  --bs-light: var(--gamedev-gray-800);
  --bs-dark: var(--gamedev-gray-100);
  --bs-card-bg: var(--gamedev-gray-800);
}

/* Enhanced Body Styles */
body {
  font-family: var(--bs-font-sans-serif);
  font-weight: 400;
  line-height: 1.6;
  background-color: var(--bs-body-bg);
  color: var(--bs-body-color);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  transition: background-color 0.2s ease, color 0.2s ease;
}

/* Enhanced Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  line-height: 1.2;
  color: var(--gamedev-gray-900);
  letter-spacing: -0.025em;
  margin-bottom: 0.5rem;
}

[data-theme="dark"] h1,
[data-theme="dark"] h2,
[data-theme="dark"] h3,
[data-theme="dark"] h4,
[data-theme="dark"] h5,
[data-theme="dark"] h6 {
  color: var(--gamedev-gray-100);
}

[data-theme="dark"] footer {
    background-color: var(--gamedev-gray-999);
}

[data-theme="dark"] footer .text-muted,
[data-theme="dark"] .dashboard .text-muted,
[data-theme="dark"] .projects .text-muted,
[data-theme="dark"] .team .text-muted {
  color: var(--bs-gray-600) !important;
}

[data-theme="dark"] .hero-section {
  background: mediumseagreen;
}

[data-theme="dark"] .form-control:disabled,
[data-theme="dark"] .form-select:disabled {
    background-color: var(--gamedev-gray-500);
    opacity: 0.6;
}

.display-1, .display-2, .display-3, .display-4, .display-5, .display-6 {
  font-weight: 700;
  letter-spacing: -0.05em;
  line-height: 1.1;
}

.lead {
  font-size: 1.25rem;
  font-weight: 300;
  color: var(--gamedev-gray-600);
}

[data-theme="dark"] .lead {
  color: var(--gamedev-gray-400) !important;
}

[data-theme="dark"] .hero-main .lead {
  color: #fff !important;
}

/* Enhanced Buttons */
.btn {
  font-weight: 500;
  border-radius: var(--gamedev-border-radius-md);
  border: 1px solid transparent;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
  padding: 0.625rem 1.25rem;
  font-size: 0.875rem;
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, transparent, rgba(255,255,255,0.1));
  opacity: 0;
  transition: opacity 0.2s ease;
}

.btn:hover::before {
  opacity: 1;
}

.btn:focus {
  box-shadow: 0 0 0 0.2rem rgba(var(--bs-primary-rgb), 0.25);
}

.btn-primary {
  background-color: var(--gamedev-primary);
  border-color: var(--gamedev-primary);
  color: white;
}

.btn-primary:hover {
  background-color: var(--gamedev-primary-dark);
  border-color: var(--gamedev-primary-dark);
  transform: translateY(-1px);
  box-shadow: var(--gamedev-shadow-md);
}

.btn-primary:active {
  background-color: var(--gamedev-primary-dark);
  transform: translateY(0);
  box-shadow: var(--gamedev-shadow-sm);
}

.btn-outline-primary {
  color: var(--gamedev-primary);
  border-color: var(--gamedev-primary);
  background: transparent;
}

[data-theme="dark"] .btn-outline-primary {
  color: var(--gamedev-gray-50);
  background: var(--gamedev-gray-700);
  border-color: var(--gamedev-gray-999);
}

.btn-outline-primary:hover {
  background-color: var(--gamedev-primary);
  border-color: var(--gamedev-primary);
  color: white;
}

.btn-success {
  background-color: var(--gamedev-success);
  border-color: var(--gamedev-success);
}

.btn-success:hover {
  background-color: #0b8c5f;
  border-color: #0b8c5f;
  transform: translateY(-1px);
}

.btn-sm {
  padding: 0.375rem 0.75rem;
  font-size: 0.75rem;
}

.btn-lg {
  padding: 0.75rem 1.5rem;
  font-size: 1rem;
  border-radius: var(--gamedev-border-radius-lg);
}

/* Enhanced Cards */
.card {
  border: 1px solid var(--bs-border-color);
  border-radius: var(--gamedev-border-radius-lg);
  background: var(--bs-body-bg);
  box-shadow: var(--gamedev-shadow-sm);
  transition: all 0.2s ease;
}

/*
.card:hover {
  transform: translateY(-2px);
  box-shadow: var(--gamedev-shadow);
}
*/

.card-header {
  background: transparent;
  border-bottom: 1px solid var(--bs-border-color);
  padding: 1rem 1.25rem;
  font-weight: 600;
  border-top-left-radius: calc(var(--gamedev-border-radius-lg) - 1px);
  border-top-right-radius: calc(var(--gamedev-border-radius-lg) - 1px);
}

.card-body {
  padding: 1.25rem;
}

.card-footer {
  background: transparent;
  border-top: 1px solid var(--bs-border-color);
  padding: 1rem 1.25rem;
  border-bottom-left-radius: calc(var(--gamedev-border-radius-lg) - 1px);
  border-bottom-right-radius: calc(var(--gamedev-border-radius-lg) - 1px);
}

/* Enhanced Forms */
.form-control,
.form-select {
  border: 1px solid var(--bs-border-color);
  border-radius: var(--gamedev-border-radius-md);
  padding: 0.625rem 0.75rem;
  font-size: 0.875rem;
  background: var(--bs-body-bg);
  color: var(--bs-body-color);
  transition: all 0.2s ease;
}

.form-control:focus,
.form-select:focus {
  border-color: var(--gamedev-primary);
  box-shadow: 0 0 0 0.2rem rgba(var(--bs-primary-rgb), 0.25);
  background: var(--bs-body-bg);
  transform: translateY(-1px);
}

.form-label {
  font-weight: 500;
  color: var(--gamedev-gray-700);
  margin-bottom: 0.5rem;
  font-size: 0.875rem;
}

[data-theme="dark"] .form-label {
  color: var(--gamedev-gray-300);
}

.form-control:disabled,
.form-select:disabled {
  background-color: var(--gamedev-gray-100);
  opacity: 0.6;
}

/* Enhanced Tables */
.table {
  font-size: 0.875rem;
  border-collapse: separate;
  border-spacing: 0;
}

.table thead th {
  background: var(--gamedev-gray-50);
  border-bottom: 2px solid var(--bs-border-color);
  font-weight: 600;
  color: var(--gamedev-gray-700);
  padding: 0.75rem;
  font-size: 0.8125rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  vertical-align: middle;
}

[data-theme="dark"] .table thead th {
  background: var(--gamedev-gray-800);
  color: var(--gamedev-gray-300);
  border-bottom-color: var(--gamedev-gray-700);
}

.table tbody td {
  padding: 0.75rem;
  border-bottom: 1px solid var(--bs-border-color);
  vertical-align: middle;
}

.table-hover tbody tr:hover {
  background: var(--gamedev-gray-50);
}

[data-theme="dark"] .table-hover tbody tr:hover {
  background: var(--gamedev-gray-800);
}

/* Enhanced Navigation */
.navbar {
  background: var(--bs-body-bg) !important;
  border-bottom: 1px solid var(--bs-border-color);
  box-shadow: var(--gamedev-shadow-xs);
  padding: 0.75rem 0;
  backdrop-filter: blur(10px);
  z-index: 1;
}

[data-theme="dark"] .navbar {
  background: var(--gamedev-gray-1000) !important;
  border-bottom: 1px solid var(--gamedev-gray-999);
}

.navbar-brand {
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--gamedev-gray-900);
  display: flex;
  align-items: center;
}

[data-theme="dark"] .navbar-brand {
  color: var(--gamedev-gray-100);
}

.nav-link {
  font-weight: 500;
  color: var(--gamedev-gray-600) !important;
  padding: 0.5rem 0.75rem;
  border-radius: var(--gamedev-border-radius);
  font-size: 0.875rem;
  transition: all 0.2s ease;
}

[data-theme="dark"] .nav-link {
  color: var(--gamedev-gray-400) !important;
}

[data-theme="dark"] .nav-link.active {
  color: var(--gamedev-gray-900) !important;
}

.nav-link:hover {
  color: var(--gamedev-primary) !important;
  background: var(--gamedev-gray-100);
}

[data-theme="dark"] .nav-link:hover {
  background: var(--gamedev-gray-900);
  color: var(--gamedev-gray-50) !important;
}

.nav-link.active {
  color: var(--gamedev-primary) !important;
  font-weight: 600;
  background: var(--gamedev-gray-100);
}

/* Enhanced Alerts */
.alert {
  border: 1px solid;
  border-radius: var(--gamedev-border-radius-md);
  background: var(--bs-body-bg);
  font-size: 0.875rem;
  border-left-width: 4px;
}

.alert-success {
  border-color: var(--gamedev-success);
  color: var(--gamedev-success);
  background-color: rgba(var(--bs-success-rgb), 0.05);
}

.alert-danger {
  border-color: var(--gamedev-danger);
  color: var(--gamedev-danger);
  background-color: rgba(239, 68, 68, 0.05);
}

.alert-warning {
  border-color: var(--gamedev-warning);
  color: var(--gamedev-warning);
  background-color: rgba(245, 158, 11, 0.05);
}

/* Enhanced Modals */
.modal-content {
  border: 1px solid var(--bs-border-color);
  border-radius: var(--gamedev-border-radius-xl);
  background: var(--bs-body-bg);
  box-shadow: var(--gamedev-shadow-lg);
}

.modal-header {
  border-bottom: 1px solid var(--bs-border-color);
  padding: 1.25rem 1.5rem;
  border-top-left-radius: var(--gamedev-border-radius-xl);
  border-top-right-radius: var(--gamedev-border-radius-xl);
}

.modal-body {
  padding: 1.5rem;
}

.modal-footer {
  border-top: 1px solid var(--bs-border-color);
  padding: 1.25rem 1.5rem;
  border-bottom-left-radius: var(--gamedev-border-radius-xl);
  border-bottom-right-radius: var(--gamedev-border-radius-xl);
}

/* Node Editor Specific Styles */
.node-editor {
  background: var(--gamedev-gray-100);
  min-height: 600px;
  border-radius: var(--gamedev-border-radius-lg);
  overflow: hidden;
  position: relative;
}

[data-theme="dark"] .node-editor {
  background: var(--gamedev-gray-800);
}

.node {
  background: var(--gamedev-node-bg);
  border: 2px solid var(--gamedev-node-border);
  border-radius: var(--gamedev-border-radius-md);
  padding: 1rem;
  min-width: 200px;
  transition: all 0.2s ease;
  position: absolute;
  cursor: move;
}

.node.selected {
  border-color: var(--gamedev-node-selected);
  box-shadow: 0 0 0 2px rgba(var(--bs-primary-rgb), 0.2);
  transform: scale(1.02);
}

.node:hover {
  border-color: var(--gamedev-node-hover);
  transform: scale(1.01);
}

.node-title {
  font-weight: 600;
  color: white;
  margin-bottom: 0.5rem;
  font-size: 0.9rem;
}

.node-content {
  color: var(--gamedev-gray-300);
  font-size: 0.8rem;
}

/* Enhanced Badges */
.badge {
  font-weight: 500;
  padding: 0.35em 0.65em;
  border-radius: var(--gamedev-border-radius);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.badge-primary {
  background-color: var(--gamedev-primary);
}

.badge-success {
  background-color: var(--gamedev-success);
}

/* Enhanced Code Blocks */
code {
  background: var(--gamedev-gray-100);
  color: var(--gamedev-gray-700);
  padding: 0.2rem 0.4rem;
  border-radius: var(--gamedev-border-radius);
  font-family: var(--bs-font-monospace);
  font-size: 0.875em;
  border: 1px solid var(--gamedev-gray-200);
}

[data-theme="dark"] code {
  background: var(--gamedev-gray-800);
  color: var(--gamedev-gray-300);
  border-color: var(--gamedev-gray-700);
}

pre {
  background: var(--gamedev-gray-50);
  border: 1px solid var(--bs-border-color);
  border-radius: var(--gamedev-border-radius-md);
  padding: 1rem;
  overflow-x: auto;
  font-family: var(--bs-font-monospace);
  font-size: 0.875rem;
  line-height: 1.5;
}

[data-theme="dark"] pre {
  background: var(--gamedev-gray-800);
  border-color: var(--gamedev-gray-700);
}

/* Enhanced Progress Bars */
.progress {
  height: 0.75rem;
  border-radius: var(--gamedev-border-radius);
  background: var(--gamedev-gray-200);
  overflow: visible;
}

.progress-bar {
  background: var(--gamedev-primary);
  border-radius: var(--gamedev-border-radius);
  position: relative;
  overflow: visible;
}

/* Enhanced Tooltips */
.tooltip {
  font-size: 0.75rem;
  font-weight: 500;
}

.tooltip-inner {
  background: var(--gamedev-gray-900);
  border-radius: var(--gamedev-border-radius);
  padding: 0.25rem 0.5rem;
}

.bs-tooltip-top .tooltip-arrow::before,
.bs-tooltip-auto[data-popper-placement^="top"] .tooltip-arrow::before {
  border-top-color: var(--gamedev-gray-900);
}

/* Enhanced Dropdowns */
.dropdown-menu {
  border: 1px solid var(--bs-border-color);
  border-radius: var(--gamedev-border-radius-md);
  box-shadow: var(--gamedev-shadow-md);
  background: var(--bs-body-bg);
}

.dropdown-item {
  padding: 0.5rem 1rem;
  transition: all 0.1s ease;
}

.dropdown-item:hover {
  background: var(--gamedev-gray-100);
  color: var(--gamedev-gray-900);
}

[data-theme="dark"] .dropdown-item:hover {
  background: var(--gamedev-gray-800);
  color: var(--gamedev-gray-100);
}

/* Responsive Enhancements */
@media (max-width: 768px) {
  .card {
    margin-bottom: var(--gamedev-spacing-md);
  }
  
  .btn {
    padding: 0.5rem 1rem;
    font-size: 0.8125rem;
  }
  
  .display-1 { font-size: 2rem; }
  .display-2 { font-size: 1.75rem; }
  .display-3 { font-size: 1.5rem; }
  .display-4 { font-size: 1.25rem; }
  
  .card-body {
    padding: 1rem;
  }
  
  .node {
    min-width: 180px;
    padding: 0.75rem;
  }
}

/* Accessibility Focus States */
.btn:focus-visible,
.form-control:focus-visible,
.form-select:focus-visible,
.nav-link:focus-visible {
  outline: 2px solid var(--gamedev-primary);
  outline-offset: 2px;
  box-shadow: none;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--gamedev-gray-100);
}

::-webkit-scrollbar-thumb {
  background: var(--gamedev-gray-400);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--gamedev-gray-500);
}

[data-theme="dark"] ::-webkit-scrollbar-track {
  background: var(--gamedev-gray-800);
}

[data-theme="dark"] ::-webkit-scrollbar-thumb {
  background: var(--gamedev-gray-600);
}

[data-theme="dark"] ::-webkit-scrollbar-thumb:hover {
  background: var(--gamedev-gray-500);
}

/* Print Styles */
@media print {
  .navbar, .footer, .btn, .card-header {
    display: none !important;
  }
  
  .card {
    border: 1px solid #000 !important;
    box-shadow: none !important;
  }
}

@media (min-width: 992px) {
    .navbar-expand-lg .navbar-nav .nav-link {
      padding-top: 0;
      padding-bottom: 0;
    }
}