/* CSS Custom Properties for Neobrutalist Light Theme (aligned with website) */
:root {
  --font-body: 'Lexend', sans-serif;
  --font-title: 'Lexend', sans-serif;
  
  --bg-color: var(--background); /* pale purple/gray website background */
  --bg-image: none;
  --bg-size: 20px 20px;
  
  --text-color: var(--foreground);
  --text-muted: #4b5563;
  
  /* Cards */
  --card-bg: var(--secondary-background); /* white */
  --card-border: 4px solid var(--foreground);
  --card-shadow: 8px 8px 0px var(--foreground);
  --card-radius: 0px; /* sharp angles */
  
  /* Nodes */
  --node-bg: var(--secondary-background);
  --node-border: var(--foreground);
  --node-border-width: 3.5px;
  --node-radius: 0px;
  --node-shadow: 4px 4px 0px var(--foreground);
  --node-hover-bg: rgba(0, 214, 150, 0.15); /* Databrush Mint Green tint */
  
  /* Buttons */
  --btn-bg: var(--chart-1); /* Databrush Lavender */
  --btn-text-color: var(--foreground);
  --btn-border: 3px solid var(--foreground);
  --btn-shadow: 4px 4px 0px var(--foreground);
  --btn-radius: 0px;
  
  /* Inspector Notepad */
  --notebook-bg: var(--secondary-background);
  --notebook-border: 4px solid var(--foreground);
  --notebook-shadow: 8px 8px 0px var(--foreground);
  --notebook-radius: 0px;
  
  /* SVG Connections & Flow */
  --arrow-color: var(--foreground);
  --particle-color: var(--chart-2); /* Databrush Mint Green flow dots */
  --particle-stroke: var(--foreground);
  --particle-size: 5px;
  
  /* Boundaries */
  --boundary-border: 3.5px dashed var(--foreground);
}

/* Reset and Base Styles */
* {
  box-sizing: border-box;
}

body {
  font-family: var(--font-body);
  background-color: var(--bg-color);
  background-image: var(--bg-image);
  background-size: var(--bg-size);
  color: var(--text-color);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  transition: background-color 0.2s ease, color 0.2s ease;
}

.app-wrapper {
  max-width: 100%;
  width: 100%;
  margin: 0 auto;
  padding: 20px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

/* Header styling */
.app-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 4px solid var(--text-color);
  padding-bottom: 15px;
  margin-bottom: 20px;
  transition: border-bottom-color 0.2s ease;
}

.logo-area {
  display: flex;
  align-items: center;
  gap: 15px;
}

.logo-icon {
  width: 45px;
  height: 45px;
  border: 3px solid var(--text-color);
  border-radius: 0px;
  background-color: var(--chart-1); /* Renoir Purple */
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  font-weight: 800;
  transform: rotate(-5deg);
  box-shadow: 3px 3px 0px #000;
}

body.theme-neobrutalist-dark .logo-icon {
  border-color: #ffffff;
}

.logo-title {
  font-family: var(--font-title);
  font-size: 32px;
  font-weight: 800;
  color: var(--text-color);
  text-transform: uppercase;
}

.logo-subtitle {
  font-size: 14px;
  color: var(--text-muted);
  align-self: flex-end;
  margin-bottom: 5px;
}

/* Status Indicator Box */
.status-indicator-box {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 3px solid var(--text-color);
  padding: 8px 16px;
  border-radius: 0px;
  font-weight: 800;
  background-color: var(--chart-2); /* Databrush Mint Green */
  color: #000000;
  box-shadow: var(--btn-shadow);
}

.status-indicator-box.warning {
  background-color: var(--chart-4); /* Databrush Warning Red */
  color: #ffffff;
}

.status-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background-color: var(--chart-2);
  border: 1px solid var(--text-color);
}

.status-indicator-box.warning .status-dot {
  background-color: #ffffff;
}

/* Controls Dropdown styling */
#controls-dropdown-wrapper {
  position: relative;
}

#controls-dropdown-menu {
  position: absolute;
  right: 0;
  top: 100%;
  margin-top: 8px;
  width: 288px; /* 18rem */
  border: 4px solid var(--text-color);
  background-color: var(--card-bg);
  box-shadow: 6px 6px 0px var(--text-color);
  padding: 16px;
  z-index: 50;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

#controls-dropdown-menu.hidden {
  display: none !important;
}

#btn-dropdown-toggle span.transition-transform {
  display: inline-block;
}

.control-group {
  display: flex;
  gap: 15px;
  align-items: center;
}

/* Button style */
.sketch-btn {
  font-family: var(--font-title);
  font-size: 16px;
  font-weight: 800;
  text-transform: uppercase;
  padding: 8px 16px;
  border: var(--btn-border);
  background-color: var(--btn-bg);
  color: var(--btn-text-color);
  cursor: pointer;
  border-radius: var(--btn-radius);
  box-shadow: var(--btn-shadow);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: transform 0.1s ease, box-shadow 0.1s ease, background-color 0.15s ease;
}

.sketch-btn:hover {
  background-color: var(--node-hover-bg);
  color: #000000;
}

.sketch-btn:active {
  transform: translate(2px, 2px);
  box-shadow: none;
}

.sketch-btn.active {
  background-color: var(--chart-2); /* Databrush Mint Green */
  color: #000000;
}

#btn-inject-warning {
  border-color: var(--text-color);
  color: var(--text-color);
  background-color: #fca5a5; /* bright warning pink/red */
}

body.theme-neobrutalist-dark #btn-inject-warning {
  color: #000000;
}

#btn-inject-warning:hover {
  background-color: #fecaca;
}

#btn-inject-warning.active {
  background-color: var(--chart-1); /* Renoir Purple */
  color: #ffffff;
}

/* Theme select is now a toggle button */
.theme-group {
  font-family: var(--font-title);
  font-size: 18px;
}

/* Throughput scale slider box */
.slider-group {
  font-family: var(--font-title);
  font-size: 18px;
  border: 3px solid var(--text-color);
  border-radius: 0px;
  padding: 8px 16px;
  background-color: var(--card-bg);
  color: var(--text-color);
  box-shadow: 4px 4px 0px #000;
}

body.theme-neobrutalist-dark .slider-group {
  border-color: #ffffff;
}

/* Range input styling */
input[type=range] {
  -webkit-appearance: none;
  appearance: none;
  width: 120px;
  background: transparent;
  cursor: pointer;
}

input[type=range]:focus {
  outline: none;
}

input[type=range]::-webkit-slider-runnable-track {
  width: 100%;
  height: 8px;
  background: var(--text-color);
  border-radius: 0px;
}

body.theme-neobrutalist-dark input[type=range]::-webkit-slider-runnable-track {
  background: #ffffff;
}

input[type=range]::-webkit-slider-thumb {
  border: 2px solid var(--text-color);
  height: 20px;
  width: 20px;
  border-radius: 0px;
  background: #f43f5e;
  cursor: pointer;
  -webkit-appearance: none;
  margin-top: -6px;
  transition: transform 0.1s;
}

body.theme-neobrutalist-dark input[type=range]::-webkit-slider-thumb {
  border-color: #000000;
  background: var(--chart-2); /* Databrush green */
}

/* Layout Content Grid */
.app-content {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 24px;
  flex: 1;
}

@media (max-width: 1024px) {
  .app-content {
    grid-template-columns: 1fr;
  }
}

/* DAG Section and Canvas Container */
.dag-section {
  display: flex;
  flex-direction: column;
}

.dag-outer-card {
  border: var(--card-border);
  border-radius: var(--card-radius);
  background-color: var(--card-bg);
  padding: 20px;
  flex: 1;
  display: flex;
  flex-direction: column;
  max-height: fit-content;
  box-shadow: var(--card-shadow);
  position: relative;
  overflow: hidden;
}

.dag-card-header {
  margin-bottom: 20px;
  border-bottom: 3px solid var(--text-color);
  padding-bottom: 10px;
  transition: border-bottom-color 0.2s ease;
}

.dag-card-header h2 {
  font-family: var(--font-title);
  font-size: 26px;
  font-weight: 800;
  color: var(--text-color);
  text-transform: uppercase;
}

.instruction-text {
  font-size: 13px;
  color: var(--text-muted);
}

/* Canvas Container */
.dag-canvas-container {
  position: relative;
  width: 100%;
  height: 600px;
  background-color: transparent;
  border-radius: 0px;
  margin-bottom: 10px;
  overflow: hidden; /* Hide overflow of inner viewport */
  border: 2.5px dashed var(--text-muted);
  cursor: grab;
}

.dag-canvas-container:active {
  cursor: grabbing;
}

/* Viewport inner wrapper panned in 2D space (Zoom/Pan Added) */
#dag-viewport {
  position: absolute;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  transform-origin: center center;
  user-select: none;
}

/* Background connections SVG layer */
.dag-connections-svg {
  position: absolute;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  z-index: 0;
  pointer-events: none;
}

.connection-path {
  fill: none;
  stroke: var(--arrow-color);
  stroke-width: 3.5;
  stroke-linecap: round;
  stroke-linejoin: round;
  transition: stroke 0.3s ease;
}

.connection-path.active {
  stroke: var(--chart-1); /* Renoir Purple for selected paths in Light mode */
  stroke-width: 5px;
}

body.theme-neobrutalist-dark .connection-path.active {
  stroke: var(--chart-2); /* Databrush Mint Green for selected paths in Dark mode */
}

/* Interactive HTML Nodes */
.dag-node {
  position: absolute;
  width: 175px;
  height: 65px;
  cursor: pointer;
  z-index: 5;
  transform: translate(-50%, -50%);
  user-select: none;
}

.node-border {
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  border: var(--node-border-width) solid var(--node-border);
  background-color: var(--node-bg);
  border-radius: var(--node-radius);
  z-index: 1;
  box-shadow: var(--node-shadow);
  transition: transform 0.1s ease;
}

.node-content {
  position: relative;
  z-index: 2;
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 5px 10px;
  text-align: center;
}

.node-type {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-color);
  font-weight: 800;
}

.node-title {
  font-family: var(--font-title);
  font-size: 17px;
  font-weight: 800;
  color: var(--text-color);
  line-height: 1.2;
}

/* Hover & Selected & Warning States */
.dag-node:hover .node-border {
  transform: translate(-2px, -2px);
  box-shadow: 6px 6px 0px #000;
}

body.theme-neobrutalist-dark .dag-node:hover .node-border {
  box-shadow: 6px 6px 0px #000000;
}

.dag-node.selected .node-border {
  border-width: 4px;
  border-color: var(--chart-1); /* Renoir Purple border */
  box-shadow: 6px 6px 0px #000000;
  background-color: var(--chart-2); /* Databrush Mint Green background */
}

body.theme-neobrutalist-dark .dag-node.selected .node-border {
  border-color: var(--chart-2); /* Databrush Green border */
  background-color: rgba(175, 74, 212, 0.25); /* Renoir Purple tint */
}

/* Error/Warning node pulse */
.dag-node.warning .node-border {
  border-color: #000000;
  background-color: var(--chart-1); /* Warning background Renoir Purple */
  box-shadow: 4px 4px 0px #000000;
}

body.theme-neobrutalist-dark .dag-node.warning .node-border {
  border-color: #ffffff;
}

.dag-node.warning .node-title {
  color: #ffffff;
}

.dag-node.warning .node-type {
  color: rgba(255, 255, 255, 0.8);
}

.dag-node.warning:hover .node-border {
  transform: translate(-2px, -2px);
  box-shadow: 6px 6px 0px #000000;
  background-color: var(--chart-1);
}

/* Floating Stats Speech Bubbles (Click Trigger Fixed) */
.node-sketch-bubble {
  position: absolute;
  bottom: 82px; /* positioned comfortably above node center */
  left: 50%;
  transform: translateX(-50%);
  width: 195px;
  z-index: 10;
  pointer-events: none;
  display: none; /* Hide by default */
  opacity: 0;
  transition: opacity 0.2s ease;
}

.dag-node.selected .node-sketch-bubble {
  display: block; /* Show when node is clicked/selected */
  opacity: 1;
}

/* Speech bubble connector dashed line */
.node-sketch-bubble::after {
  content: '';
  position: absolute;
  top: 100%;
  left: 50%;
  width: 0;
  height: 18px; /* connects gap between bubble bottom and node top */
  border-left: 2.5px dashed var(--arrow-color);
  transform: translateX(-50%);
}

.bubble-border {
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  border: var(--btn-border);
  background-color: var(--notebook-bg);
  border-radius: var(--notebook-radius);
  z-index: 1;
  box-shadow: var(--btn-shadow);
}

body.theme-neobrutalist-dark .bubble-border {
  box-shadow: 4px 4px 0px #000000;
}

.bubble-content {
  position: relative;
  z-index: 2;
  color: var(--text-color);
  font-family: var(--font-title);
  font-size: 13.5px;
  padding: 8px 12px;
}

.bubble-stat {
  font-weight: bold;
  font-size: 15px;
}

.warning-alert-text {
  color: #ef4444;
  font-weight: bold;
  margin-top: 3px;
}


/* Sidebar Inspector Card */
.sidebar-inspector {
  display: flex;
  flex-direction: column;
}

.notebook-card {
  background-color: var(--notebook-bg);
  border: var(--notebook-border);
  border-radius: var(--notebook-radius);
  box-shadow: var(--notebook-shadow);
  position: relative;
  min-height: 520px;
  display: flex;
  flex-direction: column;
  transition: all 0.2s ease;
}

.notebook-content {
  padding: 24px 20px 24px 25px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

/* Prevent double-filter blurring on text by making body content crisp */
.notebook-header, .notebook-body {
  filter: none;
}

.notebook-header {
  border-bottom: 3.5px solid var(--text-color);
  padding-bottom: 10px;
  margin-bottom: 15px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: border-bottom-color 0.2s ease;
}

.notebook-header h2 {
  font-family: var(--font-title);
  font-size: 26px;
  font-weight: 800;
  color: var(--text-color);
  text-transform: uppercase;
}

.notebook-badge {
  font-family: var(--font-title);
  font-size: 14px;
  background-color: var(--chart-1); /* Renoir Purple */
  color: #ffffff;
  padding: 4px 10px;
  border: 2px solid var(--text-color);
  border-radius: 0px;
  font-weight: 800;
  transition: border-color 0.2s ease;
}

body.theme-neobrutalist-dark .notebook-badge {
  border-color: #ffffff;
}

.notebook-badge.node-badge {
  background-color: var(--chart-2); /* Databrush Mint Green */
  color: #000000;
}

.notebook-badge.warning-badge {
  background-color: #e03131;
  color: #ffffff;
  box-shadow: 2px 2px 0px #000;
}

.notebook-stat-row {
  display: flex;
  justify-content: space-between;
  padding: 8px 0;
  border-bottom: 1.5px solid var(--text-color);
  font-size: 16px;
  transition: border-bottom-color 0.2s ease;
}

body.theme-neobrutalist-dark .notebook-stat-row {
  border-bottom-color: #ffffff;
}

.notebook-stat-row .label {
  color: var(--text-color);
  font-weight: 800;
}

.notebook-stat-row .value {
  font-family: var(--font-title);
  font-size: 18px;
  font-weight: 800;
  color: var(--text-color);
}

.notebook-custom-section {
  margin-top: 15px;
  background-color: #ffffff;
  border: 2.5px solid var(--text-color);
  border-radius: 0px;
  padding: 10px;
  box-shadow: 3px 3px 0px #000;
  transition: border-color 0.2s ease, background-color 0.2s ease;
}

body.theme-neobrutalist-dark .notebook-custom-section {
  border-color: #ffffff;
  background-color: #130a1c;
}

.notebook-custom-section h3,
.notebook-chart-section h3,
.notebook-log-section h3 {
  font-family: var(--font-title);
  font-size: 17px;
  margin-bottom: 6px;
  color: var(--text-color);
  font-weight: 800;
  text-transform: uppercase;
}

.notebook-custom-section p {
  font-size: 13.5px;
  color: var(--text-color);
  line-height: 1.4;
}

/* Chart block */
.notebook-chart-section {
  margin-top: 15px;
}

.chart-container {
  height: 90px;
  border: 2.5px solid var(--text-color);
  background-color: #ffffff;
  border-radius: 0px;
  padding: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  box-shadow: 3px 3px 0px #000;
  transition: border-color 0.2s ease, background-color 0.2s ease;
}

body.theme-neobrutalist-dark .chart-container {
  border-color: #ffffff;
  background-color: #000000;
}

#sparkline-svg {
  width: 100%;
  height: 100%;
}

/* Event Log Section */
.notebook-log-section {
  margin-top: 15px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.log-console {
  border: 2.5px solid var(--text-color);
  background-color: #000000;
  color: var(--chart-2); /* retro terminal green */
  border-radius: 0px;
  padding: 8px;
  font-family: monospace;
  font-size: 11px;
  height: 110px;
  max-height: 110px;
  overflow-y: scroll;
  flex: 1;
  transition: border-color 0.2s ease;
}

body.theme-neobrutalist-dark .log-console {
  border-color: #ffffff;
}

.log-entry {
  margin-bottom: 4px;
  line-height: 1.25;
}

.log-entry-warn {
  color: #fda4af; /* warning light red */
}

/* Particle flow bubbles styling */
.particle-group {
  opacity: 0.95;
}

.particle-bubble {
  fill: var(--particle-color);
  stroke: var(--particle-stroke);
  stroke-width: 1.5;
}

.particle-glint {
  fill: #ffffff;
}

/* Footer Styling */
.app-footer {
  text-align: center;
  margin-top: 30px;
  padding-top: 15px;
  border-top: 3px solid var(--text-color);
  font-size: 13px;
  color: var(--text-color);
  font-weight: bold;
  transition: border-top-color 0.2s ease;
}

body.theme-neobrutalist-dark .app-footer {
  border-top-color: #ffffff;
}

/* Keyframes animations */
@keyframes pulse-warning-glow-dark {
  0% { box-shadow: 0 0 0 0px rgba(175, 74, 212, 0.4); }
  70% { box-shadow: 0 0 0 10px rgba(175, 74, 212, 0); }
  100% { box-shadow: 0 0 0 0px rgba(175, 74, 212, 0); }
}

@keyframes flash-text {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

/* Logo styles */
.logo-image {
  height: 38px;
  width: auto;
  object-fit: contain;
  border: 2px solid var(--text-color);
  background-color: #ffffff;
  padding: 2px;
  box-shadow: 2px 2px 0px #000000;
}

body.theme-neobrutalist-dark .logo-image {
  border-color: #ffffff;
  box-shadow: 2px 2px 0px #000000;
}

.db-logo {
  height: 18px;
  width: auto;
  object-fit: contain;
  vertical-align: middle;
  margin: 0 4px;
}

/* Explainability Inspector Card (Neobrutalist layout) */
.explainability-card {
  position: relative;
  margin-top: 24px;
  background-color: var(--card-bg);
  border: var(--card-border);
  border-radius: var(--card-radius);
  box-shadow: var(--card-shadow);
  transition: all 0.2s ease, opacity 0.2s ease;
  overflow: hidden;
}

.explainability-card.hidden {
  display: none !important;
  opacity: 0;
}

.explainability-content {
  padding: 20px;
}

.explainability-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 3px solid var(--text-color);
  padding-bottom: 10px;
  margin-bottom: 15px;
  transition: border-bottom-color 0.2s ease;
}

body.theme-neobrutalist-dark .explainability-header {
  border-bottom-color: #ffffff;
}

.explainability-header h3 {
  font-family: var(--font-title);
  font-size: 20px;
  font-weight: 800;
  color: var(--text-color);
  text-transform: uppercase;
  display: flex;
  align-items: center;
  gap: 8px;
}

.explainability-body {
  display: flex;
  flex-direction: column;
  gap: 15px;
}

.explainability-text-section p {
  font-size: 14.5px;
  line-height: 1.5;
  color: var(--text-color);
}

.explainability-io-section {
  display: flex;
  gap: 15px;
  align-items: stretch;
  margin-top: 5px;
}

@media (max-width: 768px) {
  .explainability-io-section {
    flex-direction: column;
  }
  .io-arrow {
    transform: rotate(90deg);
    padding: 10px 0;
  }
}

.io-box {
  flex: 1;
  border: 3px solid var(--text-color);
  background-color: #000000; /* dark terminal styling */
  color: var(--chart-2); /* Databrush Mint Green text */
  padding: 15px;
  font-family: 'Courier New', Courier, monospace;
  font-size: 13px;
  font-weight: bold;
  overflow-x: auto;
  box-shadow: 4px 4px 0px #000;
  border-radius: 0px;
  transition: border-color 0.2s ease;
}

body.theme-neobrutalist-dark .io-box {
  border-color: #ffffff;
}

.io-box h4 {
  color: var(--chart-1); /* Renoir Purple headers */
  margin-bottom: 8px;
  font-size: 14px;
  font-weight: 800;
  text-transform: uppercase;
  border-bottom: 1.5px dashed rgba(175, 74, 212, 0.4);
  padding-bottom: 4px;
}

body.theme-neobrutalist-dark .io-box h4 {
  color: var(--chart-2); /* Swap colors in dark mode for better visibility */
  border-bottom-color: rgba(38, 233, 175, 0.4);
}

body.theme-neobrutalist-dark .io-box {
  color: #ffffff;
}

.io-box pre {
  margin: 0;
  white-space: pre-wrap;
  word-wrap: break-word;
}

.io-arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 32px;
  font-weight: 800;
  color: var(--text-color);
}

/* Scenario Selector Button custom styling */
.scenario-btn {
  background-color: #ffffff !important;
  color: #000000 !important;
  box-shadow: 4px 4px 0px #000000 !important;
  transition: all 0.15s ease !important;
}

body.theme-neobrutalist-dark .scenario-btn {
  background-color: #1a1a1a !important;
  color: #ffffff !important;
  box-shadow: 4px 4px 0px #ffffff !important;
}

.scenario-btn:hover {
  background-color: var(--chart-3) !important; /* bright yellow hover */
  color: #000000 !important;
}

.scenario-btn.active {
  background-color: var(--chart-1) !important; /* Renoir Purple */
  color: #ffffff !important;
  transform: translate(2px, 2px);
  box-shadow: 2px 2px 0px #000000 !important;
}

body.theme-neobrutalist-dark .scenario-btn.active {
  background-color: var(--chart-2) !important; /* Databrush Mint Green */
  color: #000000 !important;
  box-shadow: 2px 2px 0px #ffffff !important;
}