/* OPTIMAL TRANSPORT STUDIO - Professional Theme */

:root {
  /* Studio Color Palette - Dark Professional */
  --studio-bg: oklch(0.0800 0.0040 240); /* Deep navy base */
  --studio-surface: oklch(0.1200 0.0080 240); /* Panel surface */
  --studio-surface-elevated: oklch(0.1600 0.0120 240); /* Cards, modals */
  --studio-border: oklch(0.2000 0.0160 240); /* Subtle borders */
  --studio-border-strong: oklch(0.3000 0.0240 240); /* Prominent borders */

  /* Text Hierarchy */
  --studio-text-primary: oklch(0.9500 0.0080 240); /* Main text */
  --studio-text-secondary: oklch(0.7000 0.0120 240); /* Secondary text */
  --studio-text-muted: oklch(0.5000 0.0160 240); /* Muted text */
  --studio-text-inverse: oklch(0.1000 0.0080 240); /* Text on light bg */

  /* Accent Colors - Mathematical/Scientific */
  --studio-primary: oklch(0.6500 0.2400 195); /* Cyan blue - data viz */
  --studio-primary-hover: oklch(0.7000 0.2600 195);
  --studio-primary-muted: oklch(0.6500 0.1200 195);
  --studio-secondary: oklch(0.7500 0.1800 120); /* Mint green - success */
  --studio-warning: oklch(0.7500 0.1600 60); /* Warm amber */
  --studio-error: oklch(0.6500 0.2200 15); /* Coral red */

  /* Interactive States */
  --studio-interactive: oklch(0.6500 0.2400 195);
  --studio-interactive-hover: oklch(0.7000 0.2600 195);
  --studio-interactive-active: oklch(0.6000 0.2200 195);
  --studio-interactive-disabled: oklch(0.4000 0.0400 240);

  /* Specialized Colors for Data Visualization */
  --studio-point-source: oklch(0.7500 0.2000 195); /* Source points */
  --studio-point-target: oklch(0.7500 0.1600 120); /* Target points */
  --studio-point-interpolated: oklch(0.8000 0.1400 80); /* Interpolated */
  --studio-heatmap-low: oklch(0.2000 0.1000 240);
  --studio-heatmap-high: oklch(0.8000 0.2400 15);

  /* Typography */
  --studio-font-mono: 'JetBrains Mono', 'Fira Code', 'SF Mono', Monaco, monospace;
  --studio-font-sans: 'Inter', 'SF Pro Display', system-ui, -apple-system, sans-serif;
  --studio-font-display: 'Space Grotesk', 'Inter', sans-serif;

  /* Spacing Scale */
  --studio-space-xs: 0.25rem;
  --studio-space-sm: 0.5rem;
  --studio-space-md: 1rem;
  --studio-space-lg: 1.5rem;
  --studio-space-xl: 2rem;
  --studio-space-2xl: 3rem;

  /* Border Radius */
  --studio-radius-sm: 0.375rem;
  --studio-radius-md: 0.5rem;
  --studio-radius-lg: 0.75rem;
  --studio-radius-xl: 1rem;

  /* Shadows - Subtle and Professional */
  --studio-shadow-sm: 0 1px 2px 0 oklch(0 0 0 / 0.05);
  --studio-shadow-md: 0 4px 6px -1px oklch(0 0 0 / 0.10), 0 2px 4px -1px oklch(0 0 0 / 0.06);
  --studio-shadow-lg: 0 10px 15px -3px oklch(0 0 0 / 0.10), 0 4px 6px -2px oklch(0 0 0 / 0.05);
  --studio-shadow-inner: inset 0 2px 4px 0 oklch(0 0 0 / 0.06);

  /* Animation Timing */
  --studio-transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
  --studio-transition-normal: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --studio-transition-slow: 0.3s cubic-bezier(0.4, 0, 0.2, 1);

  /* Layout */
  --studio-sidebar-width: 320px;
  --studio-header-height: 60px;
  --studio-footer-height: 40px;
}

/* Typography System */
.studio-text-display {
  font-family: var(--studio-font-display);
  font-weight: 600;
  font-size: 1.875rem;
  line-height: 1.2;
  letter-spacing: -0.025em;
  color: var(--studio-text-primary);
}

.studio-text-heading {
  font-family: var(--studio-font-sans);
  font-weight: 600;
  font-size: 1.25rem;
  line-height: 1.3;
  color: var(--studio-text-primary);
}

.studio-text-subheading {
  font-family: var(--studio-font-sans);
  font-weight: 500;
  font-size: 1rem;
  line-height: 1.4;
  color: var(--studio-text-secondary);
}

.studio-text-body {
  font-family: var(--studio-font-sans);
  font-weight: 400;
  font-size: 0.875rem;
  line-height: 1.5;
  color: var(--studio-text-primary);
}

.studio-text-caption {
  font-family: var(--studio-font-sans);
  font-weight: 400;
  font-size: 0.75rem;
  line-height: 1.4;
  color: var(--studio-text-muted);
}

.studio-text-mono {
  font-family: var(--studio-font-mono);
  font-variant-numeric: tabular-nums;
}

/* Component Styles */
.studio-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--studio-space-xs);
  padding: var(--studio-space-sm) var(--studio-space-md);
  font-family: var(--studio-font-sans);
  font-weight: 500;
  font-size: 0.875rem;
  border-radius: var(--studio-radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--studio-transition-fast);
  user-select: none;
}

.studio-button--primary {
  background: var(--studio-primary);
  color: var(--studio-text-inverse);
  border-color: var(--studio-primary);
}

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

.studio-button--secondary {
  background: var(--studio-surface-elevated);
  color: var(--studio-text-primary);
  border-color: var(--studio-border);
}

.studio-button--secondary:hover {
  background: var(--studio-border);
  border-color: var(--studio-border-strong);
}

.studio-button--ghost {
  background: transparent;
  color: var(--studio-text-secondary);
}

.studio-button--ghost:hover {
  background: var(--studio-surface);
  color: var(--studio-text-primary);
}

.studio-input {
  padding: var(--studio-space-sm) var(--studio-space-md);
  background: var(--studio-surface);
  border: 1px solid var(--studio-border);
  border-radius: var(--studio-radius-md);
  color: var(--studio-text-primary);
  font-family: var(--studio-font-mono);
  font-size: 0.875rem;
  transition: all var(--studio-transition-fast);
}

.studio-input:focus {
  outline: none;
  border-color: var(--studio-primary);
  box-shadow: 0 0 0 3px oklch(0.6500 0.2400 195 / 0.1);
}

/* Modern Number Input Styling */
.studio-input[type="number"] {
  -moz-appearance: textfield !important;
}

.studio-input[type="number"]::-webkit-outer-spin-button,
.studio-input[type="number"]::-webkit-inner-spin-button {
  -webkit-appearance: none !important;
  margin: 0 !important;
}

.studio-card {
  background: var(--studio-surface);
  border: 1px solid var(--studio-border);
  border-radius: var(--studio-radius-lg);
  padding: var(--studio-space-lg);
  box-shadow: var(--studio-shadow-sm);
}

.studio-card--elevated {
  background: var(--studio-surface-elevated);
  box-shadow: var(--studio-shadow-md);
}

.studio-badge {
  display: inline-flex;
  align-items: center;
  padding: var(--studio-space-xs) var(--studio-space-sm);
  background: var(--studio-surface-elevated);
  border: 1px solid var(--studio-border);
  border-radius: 9999px;
  font-family: var(--studio-font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--studio-text-secondary);
}

.studio-badge--primary {
  background: oklch(0.6500 0.2400 195 / 0.1);
  border-color: oklch(0.6500 0.2400 195 / 0.2);
  color: var(--studio-primary);
}

.studio-badge--success {
  background: oklch(0.7500 0.1800 120 / 0.1);
  border-color: oklch(0.7500 0.1800 120 / 0.2);
  color: var(--studio-secondary);
}

.studio-badge--warning {
  background: oklch(0.7500 0.1600 60 / 0.1);
  border-color: oklch(0.7500 0.1600 60 / 0.2);
  color: var(--studio-warning);
}

/* Range Slider - Studio Style - VISIBLE AND NO ANIMATIONS */
.studio-range {
  -webkit-appearance: none;
  appearance: none;
  height: 8px;
  background: var(--studio-border) !important;
  border-radius: 4px;
  outline: none;
  width: 100% !important;
}

.studio-range::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 20px;
  height: 20px;
  background: var(--studio-primary) !important;
  border-radius: 50%;
  cursor: pointer;
  border: 2px solid var(--studio-text-primary);
}

.studio-range::-moz-range-thumb {
  width: 20px;
  height: 20px;
  background: var(--studio-primary) !important;
  border-radius: 50%;
  cursor: pointer;
  border: 2px solid var(--studio-text-primary);
}

/* Checkbox Styling */
.studio-checkbox {
  appearance: none !important;
  width: 18px !important;
  height: 18px !important;
  border: 2px solid var(--studio-border) !important;
  border-radius: var(--studio-radius-sm) !important;
  background: var(--studio-surface) !important;
  cursor: pointer !important;
  transition: all var(--studio-transition-fast) !important;
  position: relative !important;
}

.studio-checkbox:checked {
  background: var(--studio-primary) !important;
  border-color: var(--studio-primary) !important;
}

.studio-checkbox:checked::after {
  content: '✓' !important;
  position: absolute !important;
  top: -2px !important;
  left: 2px !important;
  color: white !important;
  font-size: 12px !important;
  font-weight: bold !important;
}

.studio-checkbox:hover {
  border-color: var(--studio-primary) !important;
  transform: scale(1.05) !important;
}

/* Animation Classes */
.studio-animate-fade-in {
  animation: studioFadeIn var(--studio-transition-normal);
}

.studio-animate-slide-up {
  animation: studioSlideUp var(--studio-transition-normal);
}

.studio-animate-pulse {
  animation: studioPulse 2s infinite;
}

@keyframes studioFadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

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

@keyframes studioPulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

/* Dark mode optimizations */
@media (prefers-color-scheme: dark) {
  /* Already optimized for dark mode */
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* High contrast mode */
@media (prefers-contrast: high) {
  :root {
    --studio-border: oklch(0.4000 0.0240 240);
    --studio-border-strong: oklch(0.6000 0.0320 240);
  }
}

/* Studio Layout Components */
body {
  font-family: var(--studio-font-sans) !important;
  background: var(--studio-bg) !important;
  color: var(--studio-text-primary) !important;
  margin: 0 !important;
  padding: 0 !important;
  height: 100vh !important;
  overflow: hidden !important;
}

.studio-layout {
  display: grid !important;
  grid-template-areas:
    "header header"
    "sidebar main"
    "sidebar status" !important;
  grid-template-columns: var(--studio-sidebar-width) 1fr !important;
  grid-template-rows: var(--studio-header-height) 1fr var(--studio-footer-height) !important;
  height: 100vh !important;
}

.studio-header {
  grid-area: header !important;
  background: var(--studio-surface) !important;
  border-bottom: 1px solid var(--studio-border) !important;
  display: flex !important;
  align-items: center !important;
  justify-content: space-between !important;
  padding: 0 var(--studio-space-lg) !important;
}

.studio-sidebar {
  grid-area: sidebar !important;
  background: var(--studio-surface) !important;
  border-right: 1px solid var(--studio-border) !important;
  overflow-y: auto !important;
  overflow-x: hidden !important;
  padding: var(--studio-space-md) !important;
  max-width: 320px !important;
  width: 100% !important;
}

.studio-main {
  grid-area: main !important;
  background: var(--studio-bg) !important;
  overflow-y: auto !important;
  overflow-x: hidden !important;
  display: flex !important;
  flex-direction: column !important;
  padding: var(--studio-space-md) !important;
}

.studio-status {
  grid-area: status !important;
  background: var(--studio-surface) !important;
  border-top: 1px solid var(--studio-border) !important;
  display: flex !important;
  align-items: center !important;
  justify-content: space-between !important;
  padding: 0 var(--studio-space-lg) !important;
}

.studio-workspace {
  display: flex !important;
  flex-direction: column !important;
  gap: var(--studio-space-lg) !important;
  padding-bottom: var(--studio-space-xl) !important;
}

.studio-canvas {
  background: var(--studio-surface-elevated) !important;
  border: 1px solid var(--studio-border) !important;
  border-radius: var(--studio-radius-lg) !important;
  padding: var(--studio-space-md) !important;
  display: flex !important;
  flex-direction: column !important;
  position: relative !important;
  width: 100% !important;
  max-width: none !important;
}

.studio-canvas-content {
  background: var(--studio-bg) !important;
  border-radius: var(--studio-radius-md) !important;
  position: relative !important;
  display: flex !important;
  flex-direction: column !important;
  align-items: center !important;
  justify-content: flex-start !important;
  padding: var(--studio-space-md) !important;
  width: 100% !important;
  min-height: 500px !important;
}

.studio-canvas-content:hover {
  border-color: var(--studio-primary-muted) !important;
  background: oklch(0.0900 0.0080 240) !important;
}

.studio-control-panel {
  background: var(--studio-surface) !important;
  border: 1px solid var(--studio-border) !important;
  border-radius: var(--studio-radius-md) !important;
  padding: var(--studio-space-sm) !important;
  margin-top: var(--studio-space-sm) !important;
  display: flex !important;
  align-items: center !important;
  gap: var(--studio-space-sm) !important;
  width: 100% !important;
  max-width: 100% !important;
}

.studio-section {
  margin-bottom: var(--studio-space-lg) !important;
}

.studio-section:last-child {
  margin-bottom: 0 !important;
}

.studio-section-header {
  display: flex !important;
  align-items: center !important;
  justify-content: space-between !important;
  margin-bottom: var(--studio-space-md) !important;
}

.studio-form-group {
  margin-bottom: var(--studio-space-md) !important;
}

.studio-form-group:last-child {
  margin-bottom: 0 !important;
}

.studio-form-label {
  display: block !important;
  margin-bottom: var(--studio-space-xs) !important;
  font-weight: 500 !important;
  font-size: 0.875rem !important;
  color: var(--studio-text-secondary) !important;
}

.studio-timeline {
  flex: 1 !important;
  display: flex !important;
  align-items: center !important;
  gap: var(--studio-space-xs) !important;
  min-width: 0 !important;
}

.studio-timeline-track {
  flex: 1 !important;
  height: 8px !important;
  background: var(--studio-border) !important;
  border-radius: 4px !important;
  position: relative !important;
  cursor: pointer !important;
}

.studio-timeline-thumb {
  position: absolute !important;
  top: -6px !important;
  width: 20px !important;
  height: 20px !important;
  background: var(--studio-primary) !important;
  border: 2px solid var(--studio-text-primary) !important;
  border-radius: 50% !important;
  cursor: pointer !important;
}

.studio-play-controls {
  display: flex !important;
  align-items: center !important;
  gap: var(--studio-space-xs) !important;
}

.studio-icon-button {
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  width: 36px !important;
  height: 36px !important;
  border-radius: var(--studio-radius-md) !important;
  background: var(--studio-surface-elevated) !important;
  border: 1px solid var(--studio-border) !important;
  color: var(--studio-text-secondary) !important;
  cursor: pointer !important;
  transition: all var(--studio-transition-fast) !important;
}

.studio-icon-button:hover {
  background: var(--studio-border) !important;
  color: var(--studio-text-primary) !important;
  transform: translateY(-1px) !important;
}

.studio-icon-button.active {
  background: var(--studio-primary) !important;
  border-color: var(--studio-primary) !important;
  color: white !important;
}

.studio-icon-button:disabled {
  opacity: 0.5 !important;
  cursor: not-allowed !important;
}

.studio-target-tabs {
  display: flex !important;
  gap: var(--studio-space-xs) !important;
  margin-bottom: var(--studio-space-md) !important;
  flex-wrap: wrap !important;
}

.studio-target-tab {
  padding: var(--studio-space-xs) var(--studio-space-md) !important;
  background: var(--studio-surface-elevated) !important;
  border: 1px solid var(--studio-border) !important;
  border-radius: var(--studio-radius-md) !important;
  font-size: 0.75rem !important;
  font-weight: 500 !important;
  color: var(--studio-text-primary) !important;
  cursor: pointer !important;
  display: flex !important;
  align-items: center !important;
  gap: var(--studio-space-xs) !important;
}

.studio-target-tab:hover {
  background: var(--studio-border) !important;
  color: var(--studio-text-primary) !important;
}

.studio-target-tab.active {
  background: oklch(0.2000 0.0160 240) !important;
  border-color: var(--studio-text-secondary) !important;
  color: var(--studio-text-primary) !important;
}

.studio-target-tab button {
  background: transparent !important;
  border: none !important;
  color: var(--studio-text-secondary) !important;
  cursor: pointer !important;
  padding: 2px !important;
  border-radius: 50% !important;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  width: 16px !important;
  height: 16px !important;
}

.studio-target-tab button:hover {
  background: var(--studio-error) !important;
  color: white !important;
}

.studio-kpi-grid {
  display: grid !important;
  grid-template-columns: repeat(6, 1fr) !important;
  gap: var(--studio-space-sm) !important;
}

.studio-kpi-card {
  background: var(--studio-surface-elevated) !important;
  border: 1px solid var(--studio-border) !important;
  border-radius: var(--studio-radius-md) !important;
  padding: var(--studio-space-md) !important;
  text-align: center !important;
}

.studio-kpi-value {
  font-family: var(--studio-font-mono) !important;
  font-size: 1.125rem !important;
  font-weight: 600 !important;
  color: var(--studio-text-primary) !important;
  display: block !important;
}

.studio-kpi-label {
  font-size: 0.75rem !important;
  color: var(--studio-text-muted) !important;
  margin-top: var(--studio-space-xs) !important;
}

.studio-logo {
  font-family: var(--studio-font-display) !important;
  font-weight: 600 !important;
  font-size: 1.25rem !important;
  color: var(--studio-text-primary) !important;
  display: flex !important;
  align-items: center !important;
  gap: var(--studio-space-sm) !important;
}

.studio-status-indicator {
  display: flex !important;
  align-items: center !important;
  gap: var(--studio-space-xs) !important;
  font-size: 0.875rem !important;
  color: var(--studio-text-secondary) !important;
}

.studio-status-dot {
  width: 8px !important;
  height: 8px !important;
  border-radius: 50% !important;
  background: var(--studio-secondary) !important;
  animation: studioPulse 2s infinite !important;
}

.studio-toolbar {
  display: flex !important;
  align-items: center !important;
  gap: var(--studio-space-md) !important;
}

/* Utility Classes */
.w-full { width: 100% !important; }
.h-full { height: 100% !important; }
.flex { display: flex !important; }
.flex-col { flex-direction: column !important; }
.items-center { align-items: center !important; }
.justify-center { justify-content: center !important; }
.justify-between { justify-content: space-between !important; }
.gap-2 { gap: 0.5rem !important; }
.gap-4 { gap: 1rem !important; }
.space-x-2 > * + * { margin-left: 0.5rem !important; }
.space-x-4 > * + * { margin-left: 1rem !important; }
.space-y-2 > * + * { margin-top: 0.5rem !important; }
.space-y-3 > * + * { margin-top: 0.75rem !important; }
.space-y-4 > * + * { margin-top: 1rem !important; }
.mb-2 { margin-bottom: 0.5rem !important; }
.mb-3 { margin-bottom: 0.75rem !important; }
.mb-4 { margin-bottom: 1rem !important; }
.mt-1 { margin-top: 0.25rem !important; }
.mt-2 { margin-top: 0.5rem !important; }
.mt-4 { margin-top: 1rem !important; }
.text-xs { font-size: 0.75rem !important; }
.text-sm { font-size: 0.875rem !important; }
.text-center { text-align: center !important; }
.text-gray-500 { color: oklch(0.5000 0.0160 240) !important; }
.text-gray-600 { color: oklch(0.4000 0.0200 240) !important; }
.bg-green-400 { background-color: oklch(0.7500 0.1800 120) !important; }
.bg-blue-400 { background-color: oklch(0.6500 0.2400 195) !important; }
.rounded { border-radius: var(--studio-radius-sm) !important; }
.rounded-full { border-radius: 9999px !important; }
.border-gray-600 { border-color: oklch(0.4000 0.0200 240) !important; }
.flex-1 { flex: 1 1 0% !important; }
.grid { display: grid !important; }
.grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)) !important; }
.grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)) !important; }
.w-3 { width: 0.75rem !important; }
.h-3 { height: 0.75rem !important; }
.w-4 { width: 1rem !important; }
.h-4 { height: 1rem !important; }
.w-6 { width: 1.5rem !important; }
.h-6 { height: 1.5rem !important; }
.w-2 { width: 0.5rem !important; }
.h-2 { height: 0.5rem !important; }
.w-16 { width: 4rem !important; }
.h-16 { height: 4rem !important; }
.absolute { position: absolute !important; }
.relative { position: relative !important; }
.inset-0 { top: 0; right: 0; bottom: 0; left: 0; }
.opacity-0 { opacity: 0 !important; }
.cursor-pointer { cursor: pointer !important; }
.max-w-lg { max-width: 32rem !important; }
.animate-spin {
  animation: spin 1s linear infinite !important;
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

/* Responsive Design */
@media (max-width: 1200px) {
  .studio-layout {
    grid-template-columns: 280px 1fr !important;
  }
}

@media (max-width: 768px) {
  .studio-layout {
    grid-template-areas:
      "header"
      "main"
      "status" !important;
    grid-template-columns: 1fr !important;
    grid-template-rows: var(--studio-header-height) 1fr var(--studio-footer-height) !important;
  }

  .studio-sidebar {
    position: fixed !important;
    left: -320px !important;
    top: var(--studio-header-height) !important;
    bottom: var(--studio-footer-height) !important;
    width: 320px !important;
    z-index: 100 !important;
    transition: left var(--studio-transition-normal) !important;
  }

  .studio-sidebar.open {
    left: 0 !important;
  }

  .studio-workspace {
    grid-template-columns: 1fr !important;
    grid-template-rows: repeat(4, minmax(200px, 1fr)) !important;
  }
}