/* Excali Up Design System & Landing Page Style */
@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700&family=Press+Start+2P&family=VT323&display=swap');

/* Color Variables & System Setup */
:root {
  --color-bg: #FAF6EE;
  --color-card-bg: #FFFFFF;
  --color-border: #2D2B2A;
  --color-shadow: #2D2B2A;
  
  /* Primary Brand Purple/Lavender Accents */
  --color-primary: #8C5ADC;      /* Purple Accent */
  --color-primary-dark: #7642C0;
  --color-secondary: #D2B4FF;    /* Lavender Accent */
  --color-secondary-dark: #BA94EB;
  --color-success: #598379;      /* Sage Green */
  --color-success-dark: #46675E;
  --color-info: #5B88A5;         /* Muted Slate Blue */
  --color-info-dark: #466C87;
  
  /* Neutral Grays */
  --color-text-main: #2D2B2A;
  --color-text-muted: #6B6661;
  --color-grid-line: #E8E2D5;
  
  /* Fonts */
  --font-pixel: 'Press Start 2P', monospace;
  --font-retro: 'VT323', monospace;
  --font-body: 'Outfit', sans-serif;
  
  /* Border & Shadows */
  --pixel-border: 4px solid var(--color-border);
  --pixel-shadow: 4px 4px 0px var(--color-shadow);
  --pixel-shadow-hover: 7px 7px 0px var(--color-shadow);
  --pixel-shadow-active: 2px 2px 0px var(--color-shadow);
}

body.dark-mode {
  --color-bg: #1A1918;
  --color-card-bg: #232221;
  --color-border: #FAF6EE;
  --color-shadow: #000000;
  
  --color-primary: #B18CFF;
  --color-primary-dark: #D2B4FF;
  --color-secondary: #E9D8FF;
  --color-secondary-dark: #FAF4FF;
  --color-success: #6CA397;
  --color-success-dark: #81B8AC;
  
  --color-text-main: #FAF6EE;
  --color-text-muted: #AA9F94;
  --color-grid-line: #2D2B2A;
}

/* Dark Mode Text Contrast Corrections */
body.dark-mode .btn-retro.primary,
body.dark-mode .nav-btn,
body.dark-mode .sim-pill-group button.active,
body.dark-mode .sim-toolbar-btn.active,
body.dark-mode .sim-iconify-tabs button.active,
body.dark-mode .step-number,
body.dark-mode .pixel-badge,
body.dark-mode .sim-iconify-header,
body.dark-mode .sim-iconify-close {
  color: #1A1918 !important;
}

body.dark-mode .sim-status-banner.connected {
  background-color: #1D3025;
  color: #81B8AC;
}

body.dark-mode .sim-status-banner.disconnected {
  background-color: #3B1E1C;
  color: #F8B4B4;
}

body.dark-mode .sim-status-banner.loading {
  background-color: #302617;
  color: #F5D393;
}

/* Reset and Global Styles */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  background-color: var(--color-bg);
  background-image: 
    linear-gradient(var(--color-grid-line) 2px, transparent 2px),
    linear-gradient(90deg, var(--color-grid-line) 2px, transparent 2px);
  background-size: 40px 40px;
  color: var(--color-text-main);
  font-family: var(--font-body);
  line-height: 1.5;
  padding-bottom: 80px;
  image-rendering: pixelated;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 12px;
}
::-webkit-scrollbar-track {
  background: var(--color-bg);
  border-left: var(--pixel-border);
}
::-webkit-scrollbar-thumb {
  background: var(--color-border);
  border: 2px solid var(--color-bg);
}
::-webkit-scrollbar-thumb:hover {
  background: var(--color-primary);
}

/* Typography */
h1, h2, h3, h4 {
  font-family: var(--font-retro);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

h1 {
  font-size: 3rem;
  line-height: 0.9;
  margin-bottom: 10px;
}

h2 {
  font-size: 2.2rem;
  margin-bottom: 15px;
  display: flex;
  align-items: center;
  gap: 10px;
}

p {
  font-size: 1.05rem;
  margin-bottom: 15px;
  color: var(--color-text-main);
}

a {
  color: var(--color-primary);
  text-decoration: none;
  font-weight: 600;
  transition: color 0.15s ease;
}

a:hover {
  color: var(--color-primary-dark);
}

/* Layout Utilities */
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Navigation Header */
.navbar {
  margin-top: 20px;
  margin-bottom: 40px;
  background-color: var(--color-card-bg);
  border: var(--pixel-border);
  box-shadow: var(--pixel-shadow);
  padding: 15px 30px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: relative;
  flex-wrap: wrap;
  gap: 15px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-retro);
  font-size: 2.2rem;
  font-weight: bold;
}

.logo-excali {
  color: var(--color-text-main);
}

.logo-up {
  color: var(--color-primary);
  background: var(--color-secondary);
  padding: 0px 8px;
  border: 2px solid var(--color-border);
  margin-left: -4px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 20px;
}

.nav-link {
  font-family: var(--font-retro);
  font-size: 1.4rem;
  color: var(--color-text-main);
  padding: 4px 8px;
  border-bottom: 2px solid transparent;
}

.nav-link:hover {
  color: var(--color-primary);
  border-bottom: 2px solid var(--color-primary);
}

.nav-btn {
  font-family: var(--font-pixel);
  font-size: 0.65rem;
  background-color: var(--color-primary);
  color: white;
  border: var(--pixel-border);
  box-shadow: 2px 2px 0px var(--color-shadow);
  padding: 10px 14px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-btn:hover {
  transform: translate(-1px, -1px);
  box-shadow: 3px 3px 0px var(--color-shadow);
  background-color: var(--color-primary-dark);
}

.nav-btn:active {
  transform: translate(1px, 1px);
  box-shadow: 1px 1px 0px var(--color-shadow);
}

.nav-btn.secondary {
  background-color: var(--color-secondary);
  color: var(--color-text-main);
}

.nav-btn.secondary:hover {
  background-color: var(--color-secondary-dark);
  color: var(--color-text-main);
}

/* Pixel Card / Panel */
.pixel-card {
  background-color: var(--color-card-bg);
  border: var(--pixel-border);
  box-shadow: var(--pixel-shadow);
  padding: 30px;
  margin-bottom: 40px;
  position: relative;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

/* Retro Shadow Lift Effect on Hover */
.pixel-card.interactive:hover {
  transform: translate(-3px, -3px);
  box-shadow: var(--pixel-shadow-hover);
}

/* Ribbon/Badge */
.pixel-badge {
  font-family: var(--font-pixel);
  font-size: 0.6rem;
  background-color: var(--color-secondary);
  color: var(--color-text-main);
  border: var(--pixel-border);
  padding: 4px 8px;
  display: inline-block;
  vertical-align: middle;
}

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

/* Hero Section */
.hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
  margin-bottom: 50px;
}

.hero-content h1 {
  font-size: 3.5rem;
  margin-bottom: 15px;
  color: var(--color-text-main);
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--color-text-muted);
  margin-bottom: 25px;
}

.hero-buttons {
  display: flex;
  gap: 15px;
  margin-bottom: 25px;
}

.btn-retro {
  font-family: var(--font-pixel);
  font-size: 0.8rem;
  padding: 14px 24px;
  border: var(--pixel-border);
  box-shadow: var(--pixel-shadow);
  cursor: pointer;
  background-color: var(--color-card-bg);
  color: var(--color-text-main);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  transition: transform 0.1s, box-shadow 0.1s;
}

.btn-retro:hover {
  transform: translate(-3px, -3px);
  box-shadow: var(--pixel-shadow-hover);
}

.btn-retro:active {
  transform: translate(2px, 2px);
  box-shadow: var(--pixel-shadow-active);
}

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

.btn-retro.primary:hover {
  background-color: var(--color-primary-dark);
}

.btn-retro.secondary {
  background-color: var(--color-secondary);
  color: var(--color-text-main);
}

.btn-retro.secondary:hover {
  background-color: var(--color-secondary-dark);
}

.hero-art-container {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

/* Retro Monitor Frame */
.pixel-monitor {
  background-color: #E2DBD0;
  border: var(--pixel-border);
  box-shadow: var(--pixel-shadow);
  padding: 12px;
  position: relative;
  width: 100%;
}

.monitor-screen {
  background-color: #A9C2B8;
  border: 4px solid var(--color-border);
  height: 280px;
  position: relative;
  overflow: hidden;
  display: flex;
  justify-content: center;
  align-items: center;
}

.monitor-scanlines {
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: linear-gradient(
    rgba(18, 16, 16, 0) 50%, 
    rgba(0, 0, 0, 0.08) 50%
  ), linear-gradient(
    90deg, 
    rgba(255, 0, 0, 0.03), 
    rgba(0, 255, 0, 0.01), 
    rgba(0, 0, 255, 0.03)
  );
  background-size: 100% 4px, 6px 100%;
  pointer-events: none;
  z-index: 10;
}

/* CSS Pixel Art Elements */
.pixel-art-canvas {
  width: 100%;
  height: 100%;
  position: relative;
}

/* Draw grid on canvas */
.canvas-grid-bg {
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background-image: radial-gradient(var(--color-border) 1px, transparent 1px);
  background-size: 20px 20px;
  opacity: 0.15;
}

/* SVG or CSS Drawings */
.drawing-excalidraw-box {
  border: 3px solid var(--color-border);
  background-color: var(--color-card-bg);
  width: 150px;
  height: 100px;
  position: absolute;
  top: 35px;
  left: 30px;
  padding: 5px;
  box-shadow: 2px 2px 0 var(--color-border);
}

.drawing-excalidraw-box::after {
  content: "STATIC FRAME";
  font-family: var(--font-pixel);
  font-size: 8px;
  position: absolute;
  bottom: 5px;
  left: 5px;
}

.arrow-connection {
  position: absolute;
  top: 70px;
  left: 200px;
  font-size: 2rem;
  color: var(--color-primary);
  font-family: var(--font-retro);
  font-weight: bold;
}

.drawing-gif-box {
  border: 3px dashed var(--color-primary);
  background-color: var(--color-card-bg);
  width: 150px;
  height: 100px;
  position: absolute;
  top: 35px;
  right: 30px;
  padding: 5px;
  box-shadow: 2px 2px 0 var(--color-border);
  animation: playPulse 1s infinite alternate;
}

.drawing-gif-box::after {
  content: "GIF PLAYING!";
  font-family: var(--font-pixel);
  font-size: 8px;
  position: absolute;
  bottom: 5px;
  left: 5px;
  color: var(--color-primary);
}

@keyframes playPulse {
  0% { border-color: var(--color-primary); transform: scale(1); }
  100% { border-color: var(--color-secondary); transform: scale(1.03); }
}

.pixel-character {
  position: absolute;
  bottom: 10px;
  left: 10px;
  font-size: 1.5rem;
}

.monitor-stand {
  width: 80px;
  height: 20px;
  background-color: #2D2B2A;
  margin: 0 auto;
}

.monitor-base {
  width: 140px;
  height: 8px;
  background-color: #2D2B2A;
  margin: 0 auto;
}

/* Two-column Feature Layout */
.section-title {
  text-align: center;
  font-size: 2.5rem;
  margin-bottom: 40px;
  position: relative;
}

.section-title::after {
  content: "";
  display: block;
  width: 80px;
  height: 6px;
  background-color: var(--color-primary);
  margin: 10px auto 0;
  border: 2px solid var(--color-border);
}

/* Interactive Playground Section */
.playground-grid {
  display: grid;
  grid-template-columns: 3fr 2fr;
  gap: 30px;
}

.playground-canvas-area {
  background-color: var(--color-bg);
  border: var(--pixel-border);
  position: relative;
  min-height: 400px;
  display: flex;
  flex-direction: column;
}

.canvas-toolbar {
  background-color: var(--color-border);
  color: white;
  padding: 10px;
  display: flex;
  gap: 10px;
  align-items: center;
}

.toolbar-title {
  font-family: var(--font-pixel);
  font-size: 0.65rem;
  flex-grow: 1;
}

.toolbar-btn {
  background-color: var(--color-bg);
  border: 2px solid white;
  padding: 4px 8px;
  font-family: var(--font-retro);
  font-size: 1.1rem;
  cursor: pointer;
}

.toolbar-btn:hover {
  background-color: var(--color-primary);
  color: white;
}

.canvas-board {
  flex-grow: 1;
  position: relative;
  background-color: var(--color-card-bg);
  background-image: radial-gradient(var(--color-grid-line) 2px, transparent 2px);
  background-size: 18px 18px;
  display: flex;
  justify-content: center;
  align-items: center;
  overflow: hidden;
  user-select: none;
}

/* Empty Canvas State */
.canvas-empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 20px;
  text-align: center;
  transition: opacity 0.3s ease;
}

.empty-icon {
  font-size: 3.5rem;
  margin-bottom: 10px;
  animation: float 2s ease-in-out infinite;
}

@keyframes float {
  0% { transform: translateY(0px); }
  50% { transform: translateY(-8px); }
  100% { transform: translateY(0px); }
}

.empty-title {
  font-family: var(--font-retro);
  font-size: 1.8rem;
  margin-bottom: 5px;
}

.empty-desc {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  max-width: 280px;
}

/* Draggable/Added elements on Canvas */
.canvas-element {
  position: absolute;
  border: 2px solid transparent;
  cursor: move;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.canvas-element.selected {
  border: 2px dashed var(--color-primary);
}

.canvas-element .el-img {
  max-width: 140px;
  max-height: 140px;
  object-fit: contain;
}

.canvas-element .el-label {
  font-family: var(--font-pixel);
  font-size: 0.5rem;
  background-color: var(--color-border);
  color: white;
  padding: 2px 4px;
  margin-top: 4px;
  white-space: nowrap;
}

.canvas-element.static .el-img {
  filter: grayscale(0.8) opacity(0.8);
}

/* Extension Simulator Panel */
.simulator-panel {
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
}

.sim-phone-frame {
  background-color: #E2DBD0;
  border: var(--pixel-border);
  box-shadow: var(--pixel-shadow);
  padding: 10px;
  width: 290px;
  margin: 0 auto;
}

.sim-popup-body {
  background-color: var(--color-card-bg);
  border: 3px solid var(--color-border);
  font-family: var(--font-body);
  display: flex;
  flex-direction: column;
  height: 440px;
  position: relative;
}

.sim-header {
  background-color: var(--color-card-bg);
  border-bottom: 2px solid var(--color-border);
  padding: 10px 15px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.sim-logo {
  font-family: var(--font-retro);
  font-size: 1.7rem;
  font-weight: bold;
}

.sim-logo-bold {
  color: var(--color-text-main);
}

.sim-logo-light {
  color: var(--color-primary);
  background-color: var(--color-secondary);
  padding: 0 4px;
  border: 1px solid var(--color-border);
}

.sim-version {
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

/* Sim status banner */
.sim-status-banner {
  padding: 6px 15px;
  font-size: 0.8rem;
  font-weight: 600;
  border-bottom: 2px solid var(--color-border);
  display: flex;
  align-items: center;
  gap: 8px;
}

.sim-status-banner.connected {
  background-color: #E3ECE8;
  color: var(--color-success-dark);
}

.sim-status-banner.disconnected {
  background-color: #F8E8E6;
  color: var(--color-primary-dark);
}

.sim-status-banner.loading {
  background-color: #FAF4E5;
  color: var(--color-secondary-dark);
}

.sim-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  border: 1.5px solid var(--color-border);
}

.connected .sim-dot {
  background-color: var(--color-success);
  animation: pulse 1s infinite alternate;
}

.disconnected .sim-dot {
  background-color: var(--color-primary);
}

.loading .sim-dot {
  background-color: var(--color-secondary);
  animation: pulse 0.5s infinite alternate;
}

@keyframes pulse {
  0% { transform: scale(0.9); opacity: 0.7; }
  100% { transform: scale(1.2); opacity: 1; }
}

.sim-content {
  padding: 15px;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.sim-card {
  border: 2px solid var(--color-border);
  box-shadow: 2px 2px 0px var(--color-border);
  padding: 10px 12px;
  background-color: var(--color-card-bg);
}

.sim-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.sim-title {
  font-family: var(--font-retro);
  font-size: 1.25rem;
  line-height: 1.1;
  color: var(--color-text-main);
}

.sim-desc {
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

/* Simulated Switch */
.sim-switch {
  position: relative;
  display: inline-block;
  width: 44px;
  height: 24px;
}

.sim-switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.sim-slider {
  position: absolute;
  cursor: pointer;
  top: 0; left: 0; right: 0; bottom: 0;
  background-color: #E2DBD0;
  border: 2px solid var(--color-border);
  transition: .15s;
}

.sim-slider:before {
  position: absolute;
  content: "";
  height: 14px;
  width: 14px;
  left: 3px;
  bottom: 3px;
  background-color: var(--color-border);
  transition: .15s;
}

input:checked + .sim-slider {
  background-color: var(--color-success);
}

input:checked + .sim-slider:before {
  transform: translateX(20px);
  background-color: white;
}

input:disabled + .sim-slider {
  opacity: 0.5;
  cursor: not-allowed;
}

/* Stats panel */
.sim-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.sim-stat-box {
  border: 2px solid var(--color-border);
  background-color: var(--color-bg);
  padding: 8px;
  text-align: center;
  box-shadow: 2px 2px 0 var(--color-border);
}

.sim-stat-value {
  font-family: var(--font-retro);
  font-size: 1.8rem;
  line-height: 1;
  color: var(--color-primary);
}

.sim-stat-label {
  font-size: 0.65rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
  font-weight: 600;
}

/* Tips */
.sim-tips {
  border: 2px solid var(--color-border);
  background-color: var(--color-bg);
  padding: 8px;
  font-size: 0.75rem;
  display: flex;
  gap: 6px;
}

.sim-footer {
  text-align: center;
  padding: 8px;
  font-size: 0.6rem;
  color: var(--color-text-muted);
  border-top: 1px dashed var(--color-border);
}

/* Controls below device */
.simulator-controls {
  margin-top: 15px;
  display: flex;
  justify-content: center;
  gap: 10px;
}

.control-btn {
  font-family: var(--font-retro);
  font-size: 1.2rem;
  padding: 6px 14px;
  border: var(--pixel-border);
  background-color: var(--color-card-bg);
  cursor: pointer;
  box-shadow: 3px 3px 0 var(--color-shadow);
}

.control-btn:hover {
  transform: translate(-1px, -1px);
  box-shadow: 4px 4px 0 var(--color-shadow);
}

.control-btn:active {
  transform: translate(1px, 1px);
  box-shadow: 2px 2px 0 var(--color-shadow);
}

/* Sample GIF Selector */
.sample-gifs-box {
  margin-top: 20px;
}

.sample-gifs-title {
  font-family: var(--font-retro);
  font-size: 1.4rem;
  margin-bottom: 10px;
}

.sample-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}

.sample-item {
  border: 2px solid var(--color-border);
  padding: 6px;
  text-align: center;
  background-color: var(--color-card-bg);
  cursor: pointer;
  box-shadow: 2px 2px 0 var(--color-border);
  transition: transform 0.1s;
}

.sample-item:hover {
  transform: translate(-2px, -2px);
  box-shadow: 4px 4px 0 var(--color-border);
  border-color: var(--color-primary);
}

.sample-item.active {
  background-color: #FFF4E8;
  border-color: var(--color-primary);
  box-shadow: 2px 2px 0 var(--color-primary);
}

.sample-item img {
  width: 48px;
  height: 48px;
  object-fit: contain;
  margin-bottom: 4px;
}

.sample-name {
  font-size: 0.65rem;
  font-weight: bold;
}

/* How It Works (Step-by-step) Section */
.steps-container {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  margin-top: 20px;
}

.step-card {
  text-align: center;
  background-color: var(--color-card-bg);
  border: var(--pixel-border);
  box-shadow: var(--pixel-shadow);
  padding: 25px;
  position: relative;
}

.step-number {
  font-family: var(--font-pixel);
  font-size: 1rem;
  background-color: var(--color-secondary);
  color: var(--color-text-main);
  border: 3px solid var(--color-border);
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: -45px auto 15px;
}

.step-title {
  font-family: var(--font-retro);
  font-size: 1.6rem;
  margin-bottom: 10px;
}

.step-desc {
  font-size: 0.95rem;
  color: var(--color-text-muted);
}

/* Tech Specs Section */
.tech-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
}

.code-window {
  background-color: #2D2B2A;
  border: var(--pixel-border);
  box-shadow: var(--pixel-shadow);
  border-radius: 4px;
  overflow: hidden;
  color: #ECEAE6;
  font-family: 'Courier New', Courier, monospace;
}

.code-header {
  background-color: #3E3B3A;
  padding: 10px 15px;
  border-bottom: 2px solid var(--color-border);
  display: flex;
  align-items: center;
  gap: 6px;
}

.code-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: #FF5F56;
}
.code-dot:nth-child(2) { background-color: #FFBD2E; }
.code-dot:nth-child(3) { background-color: #27C93F; }

.code-title {
  color: #8C8782;
  font-size: 0.75rem;
  margin-left: auto;
  font-family: var(--font-pixel);
}

.code-content {
  padding: 20px;
  font-size: 0.85rem;
  overflow-x: auto;
}

.code-keyword { color: #E06C75; }
.code-function { color: #61AFEF; }
.code-string { color: #98C379; }
.code-comment { color: #7F848E; }

/* FAQ Accordion */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 15px;
}

.faq-item {
  border: var(--pixel-border);
  background-color: var(--color-card-bg);
  padding: 15px 20px;
  cursor: pointer;
  position: relative;
}

.faq-question {
  font-family: var(--font-retro);
  font-size: 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.faq-question::after {
  content: "+";
  font-family: var(--font-pixel);
  font-size: 1rem;
}

.faq-item.active .faq-question::after {
  content: "-";
}

.faq-answer {
  margin-top: 10px;
  padding-top: 10px;
  border-top: 2px dashed var(--color-grid-line);
  display: none;
  font-size: 0.95rem;
  color: var(--color-text-muted);
}

.faq-item.active .faq-answer {
  display: block;
}

/* Footer styling */
.main-footer {
  text-align: center;
  margin-top: 80px;
  padding: 40px 0;
  border-top: var(--pixel-border);
  background-color: var(--color-card-bg);
  box-shadow: 0px -4px 0px var(--color-border);
}

.footer-logo {
  font-family: var(--font-retro);
  font-size: 2rem;
  margin-bottom: 10px;
}

.footer-copy {
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

/* Responsive adjustments */
@media (max-width: 900px) {
  .hero {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .hero-buttons {
    justify-content: center;
  }
  .playground-grid {
    grid-template-columns: 1fr;
  }
  .steps-container {
    grid-template-columns: 1fr;
  }
  .tech-section {
    grid-template-columns: 1fr;
  }
}

/* Animated Flow Arrows & Vector Elements */
.canvas-element svg {
  width: 100%;
  height: 100%;
  display: block;
}

.flow-arrow-line {
  stroke-linecap: round;
  stroke-linejoin: round;
  transition: stroke 0.3s ease;
}

.flow-arrow-head {
  transition: fill 0.3s ease;
}

/* Marching Ants Animation */
.marching-ants {
  animation: simMarch 0.8s linear infinite;
}

@keyframes simMarch {
  from {
    stroke-dashoffset: 0;
  }
  to {
    stroke-dashoffset: -16;
  }
}

/* Simulated Canvas-level Floating Toolbar styling */
.sim-floating-toolbar {
  position: absolute;
  bottom: 12px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 100;
  display: none;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  font-family: var(--font-body);
  user-select: none;
  width: 90%;
  max-width: 320px;
}

.sim-floating-toolbar.visible {
  display: flex;
  animation: simFadeIn 0.2s ease-out;
}

@keyframes simFadeIn {
  from { opacity: 0; transform: translateX(-50%) translateY(8px); }
  to { opacity: 1; transform: translateX(-50%) translateY(0); }
}

.sim-toolbar-panel {
  display: none;
  flex-direction: column;
  gap: 8px;
  background: var(--color-card-bg);
  border: 3px solid var(--color-border);
  border-radius: 8px;
  padding: 8px 10px;
  box-shadow: 3px 3px 0 var(--color-shadow);
  width: 100%;
}

.sim-toolbar-panel.visible {
  display: flex;
}

.sim-panel-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.sim-panel-row > span {
  font-size: 0.65rem;
  color: var(--color-text-muted);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  width: 55px;
}

.sim-pill-group {
  display: flex;
  background: var(--color-bg);
  border: 2px solid var(--color-border);
  border-radius: 6px;
  padding: 1px;
  flex: 1;
  justify-content: space-between;
}

.sim-pill-group button {
  background: none;
  border: none;
  color: var(--color-text-muted);
  font-family: inherit;
  font-size: 0.65rem;
  font-weight: 700;
  padding: 2px 4px;
  cursor: pointer;
  border-radius: 4px;
  transition: all 0.1s ease;
  outline: none;
  flex: 1;
  text-align: center;
}

.sim-pill-group button:hover {
  color: var(--color-text-main);
}

.sim-pill-group button.active {
  background: var(--color-primary);
  color: white;
}

.sim-toolbar-main {
  display: flex;
  align-items: center;
  gap: 2px;
  background: var(--color-card-bg);
  border: 3px solid var(--color-border);
  border-radius: 8px;
  padding: 4px 6px;
  box-shadow: 3px 3px 0 var(--color-shadow);
  width: 100%;
  justify-content: space-between;
}

.sim-toolbar-label {
  font-family: var(--font-retro);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-text-main);
  white-space: nowrap;
}

.sim-toolbar-label span {
  color: var(--color-primary);
}

.sim-toolbar-divider {
  width: 2px;
  height: 14px;
  background: var(--color-border);
  margin: 0 2px;
}

.sim-toolbar-btn {
  display: flex;
  align-items: center;
  gap: 2px;
  padding: 4px 6px;
  border: 1px solid transparent;
  background: none;
  color: var(--color-text-muted);
  font-family: inherit;
  font-size: 0.65rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.1s ease;
  white-space: nowrap;
  outline: none;
}

.sim-toolbar-btn:hover {
  color: var(--color-primary);
}

.sim-toolbar-btn.active {
  background: var(--color-primary);
  color: white;
  border-radius: 4px;
}

.sim-toolbar-btn.gear.active {
  background: var(--color-secondary);
  color: var(--color-text-main);
  border-radius: 4px;
}

.sim-toolbar-btn.remove:hover {
  color: var(--color-primary);
}

/* Extra media queries for responsive layout header links */
@media (max-width: 768px) {
  .navbar {
    flex-direction: column;
    padding: 15px;
    align-items: center;
  }
  .nav-links {
    width: 100%;
    justify-content: center;
    flex-wrap: wrap;
    gap: 10px;
  }
}



/* --- Version 4.0.0 Updates --- */

/* Iconify Library Sidebar Panel */
.sim-iconify-panel {
  position: absolute;
  top: 0;
  left: 0;
  width: 200px;
  height: 100%;
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(8px);
  border-right: 3px solid var(--color-border);
  z-index: 150;
  display: flex;
  flex-direction: column;
  transform: translateX(-100%);
  transition: transform 0.25s cubic-bezier(0.1, 0.9, 0.2, 1);
  user-select: none;
}

body.dark-mode .sim-iconify-panel {
  background-color: rgba(35, 34, 33, 0.95);
  border-right-color: var(--color-border);
}

.sim-iconify-panel.visible {
  transform: translateX(0);
}

.sim-iconify-header {
  padding: 8px 10px;
  background-color: var(--color-border);
  color: white;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-retro);
  font-size: 1.1rem;
}

.sim-iconify-close {
  background: none;
  border: none;
  color: white;
  font-size: 1rem;
  cursor: pointer;
  padding: 0 4px;
}

.sim-iconify-close:hover {
  color: var(--color-secondary);
}

.sim-iconify-search-box {
  padding: 6px;
  border-bottom: 2px solid var(--color-border);
}

.sim-iconify-search-box input {
  width: 100%;
  padding: 4px 6px;
  font-family: var(--font-body);
  font-size: 0.75rem;
  border: 2px solid var(--color-border);
  background-color: var(--color-bg);
  color: var(--color-text-main);
  outline: none;
}

.sim-iconify-tabs {
  display: flex;
  border-bottom: 2px solid var(--color-border);
  background-color: var(--color-bg);
}

.sim-iconify-tabs button {
  flex: 1;
  background: none;
  border: none;
  border-right: 1px solid var(--color-border);
  padding: 4px 2px;
  font-family: var(--font-retro);
  font-size: 0.85rem;
  cursor: pointer;
  color: var(--color-text-muted);
}

.sim-iconify-tabs button:last-child {
  border-right: none;
}

.sim-iconify-tabs button.active {
  background-color: var(--color-primary);
  color: white;
}

.sim-iconify-grid {
  flex-grow: 1;
  padding: 8px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 6px;
  overflow-y: auto;
  align-content: start;
}

.sim-iconify-item {
  border: 2px solid var(--color-border);
  border-radius: 4px;
  background-color: var(--color-card-bg);
  aspect-ratio: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  cursor: grab;
  position: relative;
  transition: transform 0.1s, box-shadow 0.1s;
  padding: 4px;
}

.sim-iconify-item:hover {
  transform: translate(-1px, -1px);
  box-shadow: 2px 2px 0 var(--color-border);
  border-color: var(--color-primary);
}

.sim-iconify-item svg {
  width: 24px;
  height: 24px;
  color: var(--color-text-main);
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
}

.sim-iconify-item-star {
  position: absolute;
  top: 1px;
  right: 1px;
  font-size: 0.75rem;
  color: #ccc;
  cursor: pointer;
  z-index: 10;
  transition: color 0.1s;
}

.sim-iconify-item-star.active {
  color: #e2b13c;
}

.sim-iconify-item-label {
  font-size: 0.5rem;
  margin-top: 2px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  width: 100%;
  text-align: center;
  color: var(--color-text-muted);
}

/* Custom styling for new motion styles in SVG */
.flow-comet circle {
  transform-box: fill-box;
}

.flow-snake {
  stroke-linecap: round;
}

/* CSS keyframes for new styles */
@keyframes simSnakeFlow {
  from {
    stroke-dashoffset: 0;
  }
  to {
    stroke-dashoffset: -200;
  }
}

.snake-animation {
  animation: simSnakeFlow 2s linear infinite;
}

@keyframes simPulseFlow {
  0% {
    stroke-width: 2px;
    opacity: 0.4;
  }
  50% {
    stroke-width: 8px;
    opacity: 1;
  }
  100% {
    stroke-width: 2px;
    opacity: 0.4;
  }
}

.pulse-animation {
  animation: simPulseFlow 1.5s ease-in-out infinite;
}

@keyframes simRippleFlow {
  0% {
    r: 2px;
    opacity: 1;
  }
  100% {
    r: 18px;
    opacity: 0;
  }
}

.ripple-circle {
  animation: simRippleFlow 2s cubic-bezier(0.1, 0.8, 0.3, 1) infinite;
}

/* Support for Glow Intensity filters */
.glow-subtle {
  filter: drop-shadow(0 0 3px var(--color-primary));
}
.glow-medium {
  filter: drop-shadow(0 0 6px var(--color-primary));
}
.glow-strong {
  filter: drop-shadow(0 0 10px var(--color-primary)) drop-shadow(0 0 3px var(--color-primary));
}