/* ==========================================================================
   NEXUS SHOWCASE — SPA STYLES
   Theme: Cyberpunk Terminal (Dark/Light modes)
   Accent: Cyan (#00ccff) — the NEXUS signature color
   ========================================================================== */

/* --------------------------------------------------------------------------
   CSS Variables — Theme System
   -------------------------------------------------------------------------- */
:root {
  /* Colors — Dark Theme (Default) */
  --color-bg-primary: #060612;
  --color-bg-secondary: #0c0c1d;
  --color-bg-tertiary: #141428;
  --color-bg-card: rgba(12, 12, 29, 0.85);
  --color-bg-code: rgba(0, 0, 0, 0.5);

  --color-text-primary: #e8eaf0;
  --color-text-secondary: #9ca3af;
  --color-text-muted: #6b7280;

  --color-accent: #00ccff;
  --color-accent-dim: rgba(0, 204, 255, 0.12);
  --color-accent-glow: rgba(0, 204, 255, 0.35);
  --color-accent-secondary: #ff00ff;
  --color-accent-secondary-dim: rgba(255, 0, 255, 0.12);

  --color-success: #22c55e;
  --color-warning: #eab308;
  --color-error: #ef4444;
  --color-gold: #ffd700;

  --color-border: rgba(255, 255, 255, 0.06);
  --color-border-accent: rgba(0, 204, 255, 0.25);

  --grid-color: rgba(0, 204, 255, 0.025);
  --matrix-color: #00ccff;

  /* Typography */
  --font-display: 'Orbitron', sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;

  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-normal: 250ms ease;
  --transition-slow: 400ms ease;

  /* Z-index */
  --z-bg: -10;
  --z-content: 1;
  --z-nav: 100;
  --z-modal: 200;
}

/* Light Theme */
[data-theme="light"] {
  --color-bg-primary: #f0f2f5;
  --color-bg-secondary: #ffffff;
  --color-bg-tertiary: #e5e7eb;
  --color-bg-card: rgba(255, 255, 255, 0.9);
  --color-bg-code: rgba(0, 0, 0, 0.06);

  --color-text-primary: #111827;
  --color-text-secondary: #4b5563;
  --color-text-muted: #6b7280;

  --color-accent: #0099cc;
  --color-accent-dim: rgba(0, 153, 204, 0.1);
  --color-accent-glow: rgba(0, 153, 204, 0.25);
  --color-accent-secondary: #cc00cc;

  --color-border: rgba(0, 0, 0, 0.1);
  --color-border-accent: rgba(0, 153, 204, 0.3);

  --grid-color: rgba(0, 153, 204, 0.04);
  --matrix-color: #0099cc;
}

/* --------------------------------------------------------------------------
   Base & Reset
   -------------------------------------------------------------------------- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  background: var(--color-bg-primary);
  color: var(--color-text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  min-height: 100vh;
  transition: background-color var(--transition-normal), color var(--transition-normal);
}

a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color var(--transition-fast);
}
a:hover { color: var(--color-text-primary); }

img { max-width: 100%; display: block; }

code {
  font-family: var(--font-mono);
  font-size: 0.875em;
  background: var(--color-bg-code);
  padding: 0.15em 0.4em;
  border-radius: var(--radius-sm);
}

/* --------------------------------------------------------------------------
   Layout
   -------------------------------------------------------------------------- */
.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.section-block {
  padding: var(--space-4xl) 0;
}

.section-tag {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-accent);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: var(--space-sm);
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 4vw, 2.25rem);
  font-weight: 700;
  margin-bottom: var(--space-md);
  line-height: 1.2;
}

.section-sub {
  font-size: 1.05rem;
  color: var(--color-text-secondary);
  max-width: 680px;
  margin-bottom: var(--space-2xl);
}

/* --------------------------------------------------------------------------
   Background Effects
   -------------------------------------------------------------------------- */
#matrix-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: var(--z-bg);
  opacity: 0.35;
  pointer-events: none;
}

.bg-grid {
  position: fixed;
  inset: 0;
  z-index: var(--z-bg);
  pointer-events: none;
  background-image:
    linear-gradient(var(--grid-color) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-color) 1px, transparent 1px);
  background-size: 60px 60px;
}

.bg-vignette {
  position: fixed;
  inset: 0;
  z-index: var(--z-bg);
  pointer-events: none;
  background: radial-gradient(ellipse at center, transparent 40%, var(--color-bg-primary) 100%);
}

.noise-overlay {
  position: fixed;
  inset: 0;
  z-index: var(--z-bg);
  pointer-events: none;
  opacity: 0.03;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
  background-repeat: repeat;
  background-size: 256px 256px;
}

/* --------------------------------------------------------------------------
   Navigation
   -------------------------------------------------------------------------- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-nav);
  background: rgba(6, 6, 18, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  transition: background var(--transition-normal);
}

[data-theme="light"] .nav {
  background: rgba(240, 242, 245, 0.85);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--color-accent) !important;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: 0.1em;
}

.nav-icon { font-size: 1.3em; }

.nav-version {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  padding: 2px 6px;
  border: 1px solid var(--color-border-accent);
  border-radius: var(--radius-sm);
  color: var(--color-text-muted);
  letter-spacing: 0.05em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  list-style: none;
}

.nav-links a {
  color: var(--color-text-secondary);
  font-size: 0.875rem;
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}
.nav-links a:hover,
.nav-links a.active {
  color: var(--color-accent);
  background: var(--color-accent-dim);
}

.nav-cta {
  background: var(--color-accent-dim) !important;
  border: 1px solid var(--color-border-accent) !important;
  color: var(--color-accent) !important;
  font-weight: 600;
}
.nav-cta:hover {
  background: var(--color-accent) !important;
  color: var(--color-bg-primary) !important;
}

.theme-toggle {
  background: none;
  border: 1px solid var(--color-border);
  color: var(--color-text-secondary);
  font-size: 1rem;
  padding: 6px 10px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
}
.theme-toggle:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.nav-text { letter-spacing: 0.12em; }

.terminal-minimize,
.terminal-maximize,
.terminal-close {
  cursor: default;
  opacity: 0.4;
  font-size: 0.7rem;
}

[data-theme="light"] .theme-icon-light { display: none; }
[data-theme="dark"] .theme-icon-dark,
:not([data-theme="light"]) .theme-icon-dark { display: none; }
[data-theme="dark"] .theme-icon-light,
:not([data-theme="light"]) .theme-icon-light { display: inline; }
[data-theme="light"] .theme-icon-dark { display: inline; }

.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.nav-hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text-secondary);
  transition: all var(--transition-fast);
}

.nav.scrolled {
  background: rgba(6, 6, 18, 0.95);
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
  border-bottom-color: var(--color-border-accent);
}
[data-theme="light"] .nav.scrolled {
  background: rgba(240, 242, 245, 0.95);
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.08);
}

/* --------------------------------------------------------------------------
   Hero
   -------------------------------------------------------------------------- */
.hero { position: relative; min-height: 100vh; display: flex; align-items: center; padding-top: 60px; overflow: hidden; }

.hero-ambient { position: absolute; inset: 0; pointer-events: none; overflow: hidden; }
.ambient-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  opacity: 0.15;
}
.orb-1 { width: 600px; height: 600px; background: var(--color-accent); top: -200px; right: -100px; animation: floatUp 8s ease-in-out infinite; }
.orb-2 { width: 400px; height: 400px; background: var(--color-accent-secondary); bottom: -100px; left: -100px; animation: floatUp 10s ease-in-out infinite 1s; }
.orb-3 { width: 300px; height: 300px; background: var(--color-accent); bottom: 20%; right: 30%; opacity: 0.08; animation: floatUp 12s ease-in-out infinite 2s; }

.hero-content { position: relative; z-index: 1; max-width: 800px; }

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  border: 1px solid var(--color-border-accent);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--color-accent);
  margin-bottom: var(--space-xl);
  background: var(--color-accent-dim);
  animation: pulseAccent 3s ease-in-out infinite;
}

.badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-success);
  box-shadow: 0 0 6px var(--color-success);
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 8vw, 5rem);
  font-weight: 900;
  line-height: 1.05;
  margin-bottom: var(--space-lg);
}

.title-line { display: block; }
.title-accent {
  color: var(--color-accent);
  background: linear-gradient(90deg, var(--color-accent), #66e0ff, var(--color-accent));
  background-size: 200% auto;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: shimmer 6s linear infinite;
}
.title-accent-secondary { color: var(--color-accent-secondary); }

.hero-subtitle {
  font-size: 1.15rem;
  color: var(--color-text-secondary);
  max-width: 600px;
  margin-bottom: var(--space-2xl);
  line-height: 1.7;
}

.text-accent { color: var(--color-accent); }
.text-magenta { color: var(--color-accent-secondary); }
.text-success { color: var(--color-success); }
.text-gold { color: var(--color-gold); }

/* Hero typewriter */
.hero-system-tag {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--color-accent);
  margin-bottom: var(--space-md);
  min-height: 1.4em;
  letter-spacing: 0.05em;
}
.hero-system-tag .cursor {
  display: inline-block;
  width: 8px;
  height: 1.1em;
  background: var(--color-accent);
  vertical-align: text-bottom;
  animation: blink 1s step-end infinite;
}

/* Hero terminal mockup */
.hero-terminal {
  background: #0a0a12;
  border: 1px solid var(--color-border-accent);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: var(--space-2xl);
  box-shadow: 0 0 40px rgba(0, 204, 255, 0.08);
  position: relative;
  animation: borderGlow 4s ease-in-out infinite;
}

/* CRT scanline overlay */
.hero-terminal::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(0, 0, 0, 0.08) 2px,
    rgba(0, 0, 0, 0.08) 4px
  );
  border-radius: var(--radius-lg);
  z-index: 2;
}

.terminal-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  background: rgba(255, 255, 255, 0.03);
  border-bottom: 1px solid var(--color-border);
}

.terminal-dots { display: flex; gap: 6px; }
.terminal-dot { width: 12px; height: 12px; border-radius: 50%; }
.terminal-dot.red { background: #ff5f57; }
.terminal-dot.yellow { background: #febc2e; }
.terminal-dot.green { background: #28c840; }

.terminal-title {
  margin-left: 8px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-text-muted);
  flex: 1;
}

.terminal-actions {
  display: flex;
  gap: 12px;
  font-size: 0.7rem;
  color: var(--color-text-muted);
}
.terminal-actions span {
  cursor: default;
  opacity: 0.5;
}

.terminal-body {
  padding: 20px;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  line-height: 1.8;
  position: relative;
  z-index: 1;
  min-height: 180px;
}

.terminal-line { margin-bottom: 4px; }
.prompt { color: var(--color-accent); margin-right: 8px; }
.command { color: var(--color-text-primary); text-shadow: 0 0 8px rgba(0, 204, 255, 0.15); }
.output-line { display: block; color: var(--color-text-secondary); text-shadow: 0 0 4px rgba(0, 204, 255, 0.06); }

/* Hero CTA buttons */
.hero-cta { display: flex; gap: var(--space-md); flex-wrap: wrap; margin-bottom: var(--space-2xl); }

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  background: var(--color-accent);
  color: var(--color-bg-primary);
  font-weight: 600;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  transition: all var(--transition-normal);
  font-size: 0.95rem;
  position: relative;
  overflow: hidden;
}
.btn-primary::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  background: rgba(255, 255, 255, 0.15);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  transition: width 0.5s, height 0.5s;
}
.btn-primary:hover::before {
  width: 300px;
  height: 300px;
}
.btn-primary:hover {
  color: var(--color-bg-primary);
  box-shadow: 0 0 25px var(--color-accent-glow);
  transform: translateY(-2px);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  background: transparent;
  color: var(--color-accent);
  font-weight: 600;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border-accent);
  cursor: pointer;
  transition: all var(--transition-normal);
  font-size: 0.95rem;
  position: relative;
  overflow: hidden;
}
.btn-secondary::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent, var(--color-accent-dim), transparent);
  opacity: 0;
  transition: opacity var(--transition-normal);
}
.btn-secondary:hover::before { opacity: 1; }
.btn-secondary:hover {
  background: var(--color-accent-dim);
  color: var(--color-accent);
  transform: translateY(-2px);
}

/* --------------------------------------------------------------------------
   Stats Bar
   -------------------------------------------------------------------------- */
.stats-bar {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: var(--space-md);
  padding: var(--space-xl);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(10px);
  position: relative;
  overflow: hidden;
}
.stats-bar::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 50%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-accent), transparent);
  animation: shimmer 4s linear infinite;
}

.stat-block {
  text-align: center;
  padding: var(--space-sm);
  position: relative;
  transition: transform var(--transition-normal);
}
.stat-block:hover { transform: translateY(-2px); }
.stat-block:hover .stat-number { text-shadow: 0 0 20px var(--color-accent-glow); }

.stat-block:not(:last-child)::after {
  content: "";
  position: absolute;
  right: 0;
  top: 20%;
  height: 60%;
  width: 1px;
  background: linear-gradient(to bottom, transparent, var(--color-border-accent), transparent);
}

.stat-icon {
  font-size: 1.4rem;
  margin-bottom: 4px;
  opacity: 0.7;
}

.stat-number {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-accent);
  line-height: 1.2;
}

.stat-label {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-top: 4px;
}

/* --------------------------------------------------------------------------
   Feature Cards
   -------------------------------------------------------------------------- */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--space-lg);
}

.feature-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  transition: all var(--transition-normal);
  backdrop-filter: blur(10px);
  position: relative;
  overflow: hidden;
}
.feature-card:hover {
  border-color: var(--color-border-accent);
  transform: translateY(-3px);
  box-shadow: 0 8px 30px rgba(0, 204, 255, 0.08);
}

/* Top accent line */
.feature-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--color-accent), transparent);
  opacity: 0;
  transition: opacity var(--transition-normal);
}
.feature-card:hover::before { opacity: 1; }

/* Corner decoration */
.feature-card::after {
  content: "";
  position: absolute;
  top: 8px;
  right: 8px;
  width: 12px;
  height: 12px;
  border-top: 2px solid var(--color-accent);
  border-right: 2px solid var(--color-accent);
  opacity: 0;
  transition: opacity var(--transition-normal);
}
.feature-card:hover::after { opacity: 0.5; }

.feature-card-glow {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 0%, var(--color-accent-dim), transparent 60%);
  opacity: 0;
  transition: opacity var(--transition-normal);
  pointer-events: none;
}
.feature-card:hover .feature-card-glow { opacity: 1; }

.feature-icon {
  font-size: 1.8rem;
  margin-bottom: var(--space-md);
  display: block;
  transition: all var(--transition-normal);
}
.feature-card:hover .feature-icon {
  filter: drop-shadow(0 0 8px var(--color-accent-glow));
  transform: scale(1.05);
}

.feature-title {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: var(--space-sm);
  color: var(--color-text-primary);
}

.feature-desc {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
}

.feature-tag {
  display: inline-block;
  margin-top: var(--space-md);
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--color-accent);
  padding: 3px 10px;
  border: 1px solid var(--color-border-accent);
  border-radius: 999px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* --------------------------------------------------------------------------
   Install Panel
   -------------------------------------------------------------------------- */
.install-panel {
  background: #0a0a12;
  border: 1px solid var(--color-border-accent);
  border-radius: var(--radius-lg);
  overflow: hidden;
  max-width: 680px;
}

.install-tabs {
  display: flex;
  border-bottom: 1px solid var(--color-border);
  background: rgba(255, 255, 255, 0.02);
}

.install-tab {
  padding: 10px 20px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--color-text-muted);
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
}
.install-tab:hover { color: var(--color-text-secondary); }
.install-tab.active {
  color: var(--color-accent);
  border-bottom-color: var(--color-accent);
}

.install-content {
  display: none;
  padding: var(--space-lg);
}
.install-content.active { display: block; }

.install-line {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 0;
  font-family: var(--font-mono);
  font-size: 0.85rem;
}

.install-prompt {
  color: var(--color-accent);
  user-select: none;
}

.install-cmd {
  color: var(--color-text-primary);
  background: none;
  padding: 0;
  flex: 1;
}

.install-copy {
  background: none;
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
  padding: 6px 8px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  flex-shrink: 0;
}
.install-copy:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}
.install-copy.copied {
  border-color: var(--color-success);
  color: var(--color-success);
}

/* --------------------------------------------------------------------------
   Feature Showcase (alternating rows)
   -------------------------------------------------------------------------- */
.feature-showcase {
  display: flex;
  flex-direction: column;
  gap: var(--space-4xl);
}

.showcase-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2xl);
  align-items: center;
}
.showcase-row.reverse {
  direction: rtl;
}
.showcase-row.reverse > * {
  direction: ltr;
}

.showcase-text { display: flex; flex-direction: column; gap: var(--space-sm); }

.showcase-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.15em;
}

.showcase-title {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: var(--space-sm);
}

.showcase-desc {
  font-size: 0.95rem;
  color: var(--color-text-secondary);
  line-height: 1.7;
  margin-bottom: var(--space-md);
}

.showcase-points {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.showcase-points li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.88rem;
  color: var(--color-text-secondary);
}

.point-icon {
  color: var(--color-accent);
  font-weight: 700;
}

.showcase-visual { width: 100%; }

.showcase-code {
  background: #0a0a12;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.showcase-code pre {
  padding: var(--space-lg);
  font-family: var(--font-mono);
  font-size: 0.82rem;
  line-height: 1.8;
  overflow-x: auto;
  color: var(--color-text-secondary);
}

.showcase-code code {
  background: none;
  padding: 0;
  font-size: inherit;
}

.code-header {
  padding: 8px 16px;
  background: rgba(255, 255, 255, 0.03);
  border-bottom: 1px solid var(--color-border);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--color-text-muted);
  letter-spacing: 0.05em;
}

/* Syntax highlight colors */
.hl-kw { color: var(--color-accent-secondary); }
.hl-fn { color: var(--color-success); }
.hl-str { color: var(--color-warning); }
.hl-dim { color: var(--color-text-muted); }
.hl { color: var(--color-accent); font-weight: 600; }

/* HUD layout preview */
.showcase-code.hud-preview pre code {
  font-size: 0.75rem;
  line-height: 1.5;
}

/* Small terminal mockup (showcase) */
.showcase-terminal {
  background: #0a0a12;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.st-header {
  display: flex;
  gap: 6px;
  padding: 10px 14px;
  background: rgba(255, 255, 255, 0.03);
  border-bottom: 1px solid var(--color-border);
}
.st-dot { width: 10px; height: 10px; border-radius: 50%; }
.st-dot.red { background: #ff5f57; }
.st-dot.yellow { background: #febc2e; }
.st-dot.green { background: #28c840; }

.st-body {
  padding: var(--space-lg);
  font-family: var(--font-mono);
  font-size: 0.82rem;
  line-height: 1.8;
}

.st-line { margin-bottom: 2px; }
.st-prompt { color: var(--color-accent); margin-right: 6px; }
.st-cmd { color: var(--color-text-primary); }
.st-output { color: var(--color-text-secondary); margin-left: 2px; }

/* --------------------------------------------------------------------------
   Keyboard Shortcuts Grid
   -------------------------------------------------------------------------- */
.keyboard-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: var(--space-sm);
}

.key-card {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 10px 14px;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}
.key-card:hover {
  border-color: var(--color-border-accent);
  background: var(--color-accent-dim);
}

.key-card kbd {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 4px 8px;
  background: var(--color-bg-code);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-accent);
  min-width: 32px;
  text-align: center;
  box-shadow: 0 2px 0 var(--color-border);
}

.key-card span {
  font-size: 0.82rem;
  color: var(--color-text-secondary);
}

/* --------------------------------------------------------------------------
   Module Browser Section
   -------------------------------------------------------------------------- */
.module-search-wrap { margin-bottom: var(--space-lg); }

.module-search {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 16px;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  max-width: 480px;
  transition: border-color var(--transition-fast);
}
.module-search:focus-within {
  border-color: var(--color-accent);
}

.search-icon {
  color: var(--color-text-muted);
  flex-shrink: 0;
}

.search-input {
  flex: 1;
  background: none;
  border: none;
  color: var(--color-text-primary);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  outline: none;
}
.search-input::placeholder {
  color: var(--color-text-muted);
}

.search-count {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--color-text-muted);
  white-space: nowrap;
}

.module-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--space-md);
}

.module-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}
.module-card:hover {
  border-color: var(--color-border-accent);
  box-shadow: 0 0 20px rgba(0, 204, 255, 0.06);
}

/* Left accent bar */
.module-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 3px;
  height: 0;
  background: var(--cat-color, var(--color-accent));
  transition: height var(--transition-normal);
}
.module-card:hover::before { height: 100%; }

/* Category color coding */
.module-card[data-category="system"] { --cat-color: #22c55e; }
.module-card[data-category="network"] { --cat-color: #3b82f6; }
.module-card[data-category="devops"] { --cat-color: #f59e0b; }
.module-card[data-category="secops"] { --cat-color: #ef4444; }
.module-card[data-category="tools"] { --cat-color: #8b5cf6; }
.module-card[data-category="monitoring"] { --cat-color: #14b8a6; }
.module-card[data-category="integration"] { --cat-color: #ec4899; }
.module-card[data-category="entertainment"] { --cat-color: #f97316; }
.module-card[data-category="finance"] { --cat-color: #ffd700; }
.module-card[data-category="general"] { --cat-color: var(--color-accent); }

.module-card[data-category] .module-category {
  color: var(--cat-color, var(--color-accent));
}

.module-category {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: 6px;
}

.module-name {
  font-weight: 600;
  font-size: 0.95rem;
  margin-bottom: 4px;
}

.module-desc {
  font-size: 0.82rem;
  color: var(--color-text-muted);
  line-height: 1.5;
}

.module-meta {
  display: flex;
  gap: var(--space-sm);
  margin-top: var(--space-sm);
  flex-wrap: wrap;
}
.module-meta span {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--color-text-muted);
  padding: 2px 8px;
  background: var(--color-bg-code);
  border-radius: var(--radius-sm);
}

.module-count-bar {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
  margin-bottom: var(--space-xl);
}

.count-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
  position: relative;
  overflow: hidden;
}
.count-chip::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent, var(--color-accent-dim), transparent);
  opacity: 0;
  transition: opacity var(--transition-fast);
}
.count-chip:hover::before { opacity: 1; }
.count-chip:hover,
.count-chip.active {
  border-color: var(--color-accent);
  color: var(--color-accent);
  background: var(--color-accent-dim);
}
.count-chip.active {
  box-shadow: 0 0 12px rgba(0, 204, 255, 0.15);
}
.count-chip .chip-count {
  color: var(--color-accent);
  font-weight: 600;
}

.chip-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--dot, var(--color-accent));
}

.module-more-wrap { text-align: center; margin-top: var(--space-2xl); }
.module-more {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--color-text-muted);
  padding: var(--space-lg);
  border: 1px dashed var(--color-border);
  border-radius: var(--radius-md);
}

/* --------------------------------------------------------------------------
   Interface Tabs & Detail Cards
   -------------------------------------------------------------------------- */
.interface-tabs {
  display: flex;
  gap: 4px;
  margin-bottom: var(--space-xl);
  border-bottom: 1px solid var(--color-border);
  padding-bottom: 0;
}

.tab-btn {
  padding: 10px 20px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--color-text-muted);
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
  position: relative;
}
.tab-btn:hover { color: var(--color-text-secondary); }
.tab-btn.active {
  color: var(--color-accent);
  border-bottom-color: var(--color-accent);
}

.tab-content { display: none; }
.tab-content.active {
  display: block;
  animation: tabFadeIn 0.3s ease forwards;
}

.interface-detail {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.interface-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-lg) var(--space-xl);
  border-bottom: 1px solid var(--color-border);
  background: rgba(255, 255, 255, 0.02);
}

.interface-title {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 600;
}

.interface-cmd {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--color-accent);
  background: var(--color-bg-code);
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
}

.interface-body {
  padding: var(--space-xl);
}

.interface-desc {
  font-size: 0.95rem;
  color: var(--color-text-secondary);
  line-height: 1.7;
  margin-bottom: var(--space-lg);
}

.interface-features {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.if-chip {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  padding: 5px 12px;
  background: var(--color-accent-dim);
  border: 1px solid var(--color-border-accent);
  border-radius: 999px;
  color: var(--color-accent);
}

/* --------------------------------------------------------------------------
   Theme Gallery
   -------------------------------------------------------------------------- */
.theme-gallery {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: var(--space-2xl);
  align-items: start;
}

.theme-swatches {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-sm);
}

.theme-swatch {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
  font-family: inherit;
}
.theme-swatch:hover {
  border-color: var(--color-border-accent);
  transform: translateY(-1px);
}
.theme-swatch.active {
  border-color: var(--sw-accent, var(--color-accent));
  box-shadow: 0 0 15px rgba(0, 204, 255, 0.15);
  background: var(--color-accent-dim);
}

.swatch-color {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--sw-accent, var(--color-accent));
  border: 2px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 0 8px var(--sw-accent, var(--color-accent));
  flex-shrink: 0;
}

.swatch-name {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--color-text-secondary);
}
.theme-swatch.active .swatch-name { color: var(--color-text-primary); }

/* Theme preview terminal */
.theme-preview {
  position: sticky;
  top: 80px;
}

.tp-chrome {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-border-accent);
  transition: all var(--transition-slow);
}

.tp-header {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 10px 14px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.tp-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.tp-title {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: rgba(255, 255, 255, 0.4);
  margin-left: 8px;
}

.tp-body {
  padding: var(--space-lg);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  line-height: 1.9;
}

.tp-line { margin-bottom: 2px; }
.tp-accent { transition: color var(--transition-normal); }
.tp-dim { opacity: 0.6; }
.tp-success { color: var(--color-success); }
.tp-secondary { transition: color var(--transition-normal); }
.tp-border { opacity: 0.5; }
.tp-cursor { animation: blink 1s step-end infinite; }

/* --------------------------------------------------------------------------
   Architecture Diagram
   -------------------------------------------------------------------------- */
.arch-tree {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  line-height: 1.7;
  background: var(--color-bg-code);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  overflow-x: auto;
  white-space: pre;
  color: var(--color-text-secondary);
  position: relative;
  overflow: hidden;
}
.arch-tree .hl { color: var(--color-accent); font-weight: 600; }
.arch-tree .hl-mag { color: var(--color-accent-secondary); font-weight: 600; }
.arch-tree .hl-green { color: var(--color-success); }
.arch-tree .hl-dim { color: var(--color-text-muted); }

/* Scanline effect */
.arch-tree::before {
  content: "";
  position: absolute;
  left: 0;
  width: 100%;
  height: 40px;
  background: linear-gradient(to bottom, transparent, rgba(0, 204, 255, 0.04), transparent);
  animation: scanline 8s linear infinite;
  pointer-events: none;
  z-index: 1;
}
.arch-tree:hover {
  border-color: var(--color-border-accent);
  box-shadow: 0 0 30px rgba(0, 204, 255, 0.05);
}

/* --------------------------------------------------------------------------
   Roadmap Timeline
   -------------------------------------------------------------------------- */
.roadmap-timeline {
  position: relative;
  padding-left: 40px;
}

.timeline-line {
  position: absolute;
  left: 15px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--color-accent), var(--color-accent-secondary));
  opacity: 0.3;
}

.timeline-item {
  position: relative;
  padding-bottom: var(--space-2xl);
}
.timeline-item:last-child { padding-bottom: 0; }

.timeline-marker {
  position: absolute;
  left: -33px;
  top: 8px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  border: 2px solid var(--color-text-muted);
  background: var(--color-bg-primary);
  z-index: 1;
}
.timeline-marker.done {
  border-color: var(--color-success);
  background: var(--color-success);
  box-shadow: 0 0 8px rgba(34, 197, 94, 0.3);
}
.timeline-marker.active {
  border-color: var(--color-accent);
  background: var(--color-accent);
  box-shadow: 0 0 8px var(--color-accent-glow);
  animation: pulseAccent 2s ease-in-out infinite;
}

.timeline-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-lg) var(--space-xl);
  transition: all var(--transition-normal);
}
.timeline-card:hover {
  border-color: var(--color-border-accent);
  transform: translateX(4px);
}

.timeline-phase {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: 4px;
}

.timeline-title {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: var(--space-sm);
}

.timeline-desc {
  font-size: 0.88rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
}

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */
.footer {
  padding: var(--space-3xl) 0 var(--space-xl);
  border-top: 1px solid var(--color-border);
  position: relative;
}
.footer::before {
  content: "";
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 200px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-accent), transparent);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: var(--space-2xl);
}

.footer-brand { display: flex; flex-direction: column; gap: var(--space-sm); }

.footer-logo {
  font-family: var(--font-display);
  font-size: 1rem;
  color: var(--color-accent);
  letter-spacing: 0.15em;
  transition: text-shadow var(--transition-normal);
}
.footer-logo:hover { text-shadow: 0 0 20px var(--color-accent-glow); }

.footer-tagline {
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

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

.footer-col { min-width: 0; }

.footer-col-title {
  font-family: var(--font-display);
  font-size: 0.7rem;
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: var(--space-md);
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}
.footer-links a {
  font-size: 0.82rem;
  color: var(--color-text-muted);
}
.footer-links a:hover { color: var(--color-accent); }

/* --------------------------------------------------------------------------
   Animations
   -------------------------------------------------------------------------- */
@keyframes blink { 50% { opacity: 0; } }
@keyframes borderGlow {
  0%, 100% { border-color: var(--color-border-accent); box-shadow: 0 0 15px rgba(0, 204, 255, 0.06); }
  50% { border-color: rgba(0, 204, 255, 0.45); box-shadow: 0 0 25px rgba(0, 204, 255, 0.12); }
}
@keyframes pulseAccent {
  0%, 100% { opacity: 0.6; }
  50% { opacity: 1; }
}
@keyframes floatUp {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}
@keyframes shimmer {
  0% { background-position: -200% center; }
  100% { background-position: 200% center; }
}
@keyframes scanline {
  0% { top: -10%; }
  100% { top: 110%; }
}
@keyframes tabFadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* --------------------------------------------------------------------------
   Page Transitions & Reveal Animations
   -------------------------------------------------------------------------- */
.page { display: none; padding-top: 60px; }
.page.active { display: block; animation: pageIn 0.4s ease forwards; }
@keyframes pageIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }

.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-stagger > * {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}
.reveal-stagger.visible > * {
  opacity: 1;
  transform: translateY(0);
}
.reveal-stagger.visible > *:nth-child(1) { transition-delay: 0ms; }
.reveal-stagger.visible > *:nth-child(2) { transition-delay: 80ms; }
.reveal-stagger.visible > *:nth-child(3) { transition-delay: 160ms; }
.reveal-stagger.visible > *:nth-child(4) { transition-delay: 240ms; }
.reveal-stagger.visible > *:nth-child(5) { transition-delay: 320ms; }
.reveal-stagger.visible > *:nth-child(6) { transition-delay: 400ms; }
.reveal-stagger.visible > *:nth-child(7) { transition-delay: 480ms; }
.reveal-stagger.visible > *:nth-child(8) { transition-delay: 560ms; }
.reveal-stagger.visible > *:nth-child(9) { transition-delay: 640ms; }
.reveal-stagger.visible > *:nth-child(10) { transition-delay: 720ms; }

/* --------------------------------------------------------------------------
   Scrollbar
   -------------------------------------------------------------------------- */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: var(--color-bg-secondary); }
::-webkit-scrollbar-thumb { background: rgba(0, 204, 255, 0.2); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: rgba(0, 204, 255, 0.4); }

/* --------------------------------------------------------------------------
   Selection & Focus
   -------------------------------------------------------------------------- */
::selection {
  background: rgba(0, 204, 255, 0.25);
  color: var(--color-text-primary);
}
:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

/* --------------------------------------------------------------------------
   Testing Page Screenshots
   -------------------------------------------------------------------------- */
.screenshot-card {
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: var(--space-lg);
  background: var(--color-bg-secondary);
  overflow: hidden;
}
.screenshot-card img {
  width: 100%;
  height: auto;
  border-radius: 8px;
  border: 1px solid rgba(0, 204, 255, 0.1);
}

.screenshot-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-lg);
  margin-top: var(--space-lg);
}
.screenshot-item {
  border: 1px solid var(--color-border);
  border-radius: 10px;
  overflow: hidden;
  background: var(--color-bg-secondary);
  transition: all 0.3s ease;
}
.screenshot-item:hover {
  border-color: var(--color-accent);
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0, 204, 255, 0.15);
}
.screenshot-item img {
  width: 100%;
  height: auto;
  display: block;
}
.screenshot-label {
  padding: var(--space-md);
  text-align: center;
  color: var(--color-text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
}

.screenshot-grid-compact {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-md);
  margin-top: var(--space-md);
}
.screenshot-item-compact {
  border: 1px solid var(--color-border);
  border-radius: 8px;
  overflow: hidden;
  background: var(--color-bg-secondary);
  transition: all 0.3s ease;
}
.screenshot-item-compact:hover {
  border-color: var(--cat-color, var(--color-accent));
  box-shadow: 0 4px 16px rgba(0, 204, 255, 0.1);
}
.screenshot-item-compact img {
  width: 100%;
  height: auto;
  display: block;
}
.screenshot-label-compact {
  padding: var(--space-sm) var(--space-md);
  text-align: center;
  color: var(--color-text-secondary);
  font-size: 0.85rem;
  font-weight: 500;
}

.module-category-section {
  margin-top: var(--space-2xl);
}
.category-title {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--cat-color, var(--color-accent));
  margin-bottom: var(--space-md);
  padding-left: var(--space-sm);
  border-left: 3px solid var(--cat-color, var(--color-accent));
}

.test-summary-card {
  border: 2px solid var(--color-success);
  border-radius: 12px;
  padding: var(--space-xl);
  background: linear-gradient(135deg, rgba(34, 197, 94, 0.05) 0%, transparent 100%);
}
.test-results {
  display: grid;
  gap: var(--space-md);
  margin-top: var(--space-lg);
}
.test-result-item {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: var(--space-md);
  align-items: center;
  padding: var(--space-md);
  border-radius: 8px;
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
}
.test-check {
  color: var(--color-success);
  font-weight: bold;
  font-size: 1.2rem;
}
.test-label {
  color: var(--color-text-primary);
  font-weight: 500;
}
.test-value {
  color: var(--color-text-secondary);
  font-size: 0.9rem;
  text-align: right;
}

/* --------------------------------------------------------------------------
   Responsive
   -------------------------------------------------------------------------- */
@media (max-width: 1024px) {
  .theme-gallery { grid-template-columns: 1fr; }
  .theme-swatches { grid-template-columns: repeat(3, 1fr); }
  .theme-preview { position: static; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: var(--space-xl); }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 60px;
    left: 0;
    right: 0;
    flex-direction: column;
    background: var(--color-bg-secondary);
    border-bottom: 1px solid var(--color-border);
    padding: var(--space-md);
  }
  .nav-links.active { display: flex; }
  .nav-hamburger { display: flex; }

  .hero-title { font-size: clamp(2rem, 10vw, 3rem); }
  .hero-terminal { font-size: 0.75rem; }
  .stats-bar { grid-template-columns: repeat(3, 1fr); }
  .feature-grid { grid-template-columns: 1fr; }
  .showcase-row { grid-template-columns: 1fr; }
  .showcase-row.reverse { direction: ltr; }
  .hero-cta { flex-direction: column; }
  .hero-cta .btn-primary,
  .hero-cta .btn-secondary { width: 100%; justify-content: center; }
  .keyboard-grid { grid-template-columns: repeat(2, 1fr); }
  .theme-swatches { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr; }
  .interface-tabs { overflow-x: auto; }
}

@media (max-width: 480px) {
  .stats-bar { grid-template-columns: repeat(2, 1fr); }
  .stat-number { font-size: 1.5rem; }
  .module-grid { grid-template-columns: 1fr; }
}

/* --------------------------------------------------------------------------
   Reduced Motion
   -------------------------------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .reveal { opacity: 1; transform: none; }
  .reveal-stagger > * { opacity: 1; transform: none; }
}

/* ==========================================================================
   ENHANCED COMPONENTS — Command Palette, Playground, Modals, Transitions
   ========================================================================== */

/* --------------------------------------------------------------------------
   Scroll Progress Bar
   -------------------------------------------------------------------------- */
.scroll-progress-bar {
  position: fixed;
  top: 0;
  left: 0;
  height: 2px;
  width: 0%;
  background: linear-gradient(90deg, var(--color-accent), var(--color-accent-secondary));
  z-index: 9999;
  transition: width 50ms linear;
  box-shadow: 0 0 8px var(--color-accent-glow);
}

/* --------------------------------------------------------------------------
   Page Transitions
   -------------------------------------------------------------------------- */
#app {
  transition: opacity 0.2s ease, transform 0.2s ease;
}
#app.page-exit {
  opacity: 0;
  transform: translateY(-8px);
}
#app.page-enter {
  animation: pageSlideIn 0.4s ease forwards;
}
@keyframes pageSlideIn {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* --------------------------------------------------------------------------
   Command Palette Overlay (Ctrl+K)
   -------------------------------------------------------------------------- */
.cmd-palette-overlay {
  position: fixed;
  inset: 0;
  z-index: 1000;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(8px);
  display: flex;
  justify-content: center;
  padding-top: 15vh;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.15s ease;
}
.cmd-palette-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.cmd-palette-dialog {
  width: 100%;
  max-width: 580px;
  max-height: 70vh;
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border-accent);
  border-radius: var(--radius-xl);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5), 0 0 40px rgba(0, 204, 255, 0.08);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transform: scale(0.96) translateY(-8px);
  transition: transform 0.2s ease;
}
.cmd-palette-overlay.active .cmd-palette-dialog {
  transform: scale(1) translateY(0);
}

.cmd-palette-input-wrap {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 20px;
  border-bottom: 1px solid var(--color-border);
}

.cmd-palette-search-icon {
  font-size: 1.1rem;
  opacity: 0.5;
  flex-shrink: 0;
}

.cmd-palette-input {
  flex: 1;
  background: none;
  border: none;
  color: var(--color-text-primary);
  font-family: var(--font-body);
  font-size: 1rem;
  outline: none;
}
.cmd-palette-input::placeholder {
  color: var(--color-text-muted);
}

.cmd-palette-kbd {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  padding: 3px 8px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text-muted);
  flex-shrink: 0;
}

.cmd-palette-results {
  overflow-y: auto;
  padding: 8px;
  max-height: 50vh;
}

.cmd-palette-section {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  padding: 10px 12px 4px;
}

.cmd-palette-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: background var(--transition-fast);
}
.cmd-palette-item:hover,
.cmd-palette-item.selected {
  background: var(--color-accent-dim);
}
.cmd-palette-item.selected {
  border-left: 2px solid var(--color-accent);
}

.cmd-palette-item-icon {
  font-size: 1rem;
  width: 24px;
  text-align: center;
  flex-shrink: 0;
}

.cmd-palette-item-label {
  font-size: 0.9rem;
  color: var(--color-text-primary);
}

/* --------------------------------------------------------------------------
   Interactive Playground Terminal
   -------------------------------------------------------------------------- */
.pg-terminal {
  background: #060612;
  border: 1px solid var(--color-border-accent);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 0 40px rgba(0, 204, 255, 0.06);
  max-width: 860px;
  margin: 0 auto;
}

.pg-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  background: rgba(255, 255, 255, 0.03);
  border-bottom: 1px solid var(--color-border);
}

.pg-dots { display: flex; gap: 6px; }
.pg-dot { width: 12px; height: 12px; border-radius: 50%; }
.pg-dot.red { background: #ff5f57; }
.pg-dot.yellow { background: #febc2e; }
.pg-dot.green { background: #28c840; }

.pg-title {
  flex: 1;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-text-muted);
  margin-left: 8px;
}

.pg-body {
  height: 440px;
  overflow-y: auto;
  padding: 16px 20px;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  line-height: 1.7;
}

.pg-line { margin-bottom: 2px; color: var(--color-text-secondary); }
.pg-prompt { color: var(--color-accent); }
.pg-cmd { color: var(--color-text-primary); }
.pg-accent { color: var(--color-accent); }
.pg-success { color: var(--color-success); }
.pg-error { color: var(--color-error); }
.pg-dim { color: var(--color-text-muted); }

.pg-input-line {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 20px;
  border-top: 1px solid var(--color-border);
  background: rgba(255, 255, 255, 0.02);
}

.pg-input-prompt {
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: 0.82rem;
  user-select: none;
}

.pg-input {
  flex: 1;
  background: none;
  border: none;
  color: var(--color-text-primary);
  font-family: var(--font-mono);
  font-size: 0.82rem;
  outline: none;
  caret-color: var(--color-accent);
}
.pg-input::placeholder {
  color: var(--color-text-muted);
}

/* CRT overlay on playground */
.pg-terminal::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: repeating-linear-gradient(0deg, transparent, transparent 2px, rgba(0, 0, 0, 0.06) 2px, rgba(0, 0, 0, 0.06) 4px);
  border-radius: var(--radius-lg);
  z-index: 2;
}
.pg-terminal { position: relative; }

/* --------------------------------------------------------------------------
   Module Detail Modal
   -------------------------------------------------------------------------- */
.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 500;
  background: rgba(0, 0, 0, 0.65);
  backdrop-filter: blur(6px);
  display: flex;
  justify-content: center;
  align-items: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.15s ease;
}
.modal-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-dialog {
  width: 100%;
  max-width: 500px;
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border-accent);
  border-radius: var(--radius-lg);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
  overflow: hidden;
  transform: scale(0.95);
  transition: transform 0.2s ease;
}
.modal-overlay.active .modal-dialog {
  transform: scale(1);
}

.modal-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 18px 24px;
  border-bottom: 1px solid var(--color-border);
  background: rgba(255, 255, 255, 0.02);
}

.modal-title {
  flex: 1;
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
}

.modal-badge {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  padding: 3px 10px;
  border: 1px solid var(--color-border-accent);
  border-radius: 999px;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.modal-close {
  background: none;
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
  font-size: 0.9rem;
}
.modal-close:hover {
  border-color: var(--color-error);
  color: var(--color-error);
}

.modal-body {
  padding: 24px;
}

.modal-desc {
  font-size: 0.95rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin-bottom: 16px;
}

.modal-meta {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-text-muted);
  margin-bottom: 16px;
}

.modal-install {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--color-text-secondary);
  padding: 12px 16px;
  background: var(--color-bg-code);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}
.modal-install code {
  color: var(--color-accent);
  background: none;
  padding: 0;
}

/* --------------------------------------------------------------------------
   Comparison Table (Features page)
   -------------------------------------------------------------------------- */
.comparison-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
  margin-top: var(--space-xl);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.comparison-table thead {
  background: rgba(0, 204, 255, 0.06);
}

.comparison-table th {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-accent);
  padding: 14px 16px;
  text-align: left;
  border-bottom: 1px solid var(--color-border);
}

.comparison-table td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--color-border);
  color: var(--color-text-secondary);
}

.comparison-table tbody tr {
  transition: background var(--transition-fast);
}
.comparison-table tbody tr:hover {
  background: var(--color-accent-dim);
}

.comparison-table .check { color: var(--color-success); font-weight: 700; }
.comparison-table .cross { color: var(--color-text-muted); }
.comparison-table .partial { color: var(--color-warning); }
.comparison-table .nexus-col { color: var(--color-accent); font-weight: 600; }

.comparison-table tbody tr.row-enter {
  animation: rowSlideIn 0.3s ease forwards;
  opacity: 0;
}
@keyframes rowSlideIn {
  from { opacity: 0; transform: translateX(-8px); }
  to   { opacity: 1; transform: translateX(0); }
}

/* --------------------------------------------------------------------------
   Roadmap Progress Fills
   -------------------------------------------------------------------------- */
.timeline-progress {
  height: 4px;
  background: var(--color-bg-code);
  border-radius: 2px;
  margin-top: var(--space-sm);
  overflow: hidden;
}

.timeline-progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--color-accent), var(--color-success));
  border-radius: 2px;
  transition: width 1s ease;
}

/* --------------------------------------------------------------------------
   Mouse-tracking Glow on Cards
   -------------------------------------------------------------------------- */
.feature-card[data-tilt] .feature-card-glow {
  background: radial-gradient(
    300px circle at var(--glow-x, 50%) var(--glow-y, 50%),
    rgba(0, 204, 255, 0.08),
    transparent 60%
  );
}

/* --------------------------------------------------------------------------
   Easter Egg Toast
   -------------------------------------------------------------------------- */
.easter-egg-toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: rgba(0, 255, 0, 0.15);
  border: 1px solid rgba(0, 255, 0, 0.4);
  color: #00ff00;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  padding: 12px 24px;
  border-radius: var(--radius-md);
  z-index: 9999;
  opacity: 0;
  transition: opacity 0.3s ease, transform 0.3s ease;
  pointer-events: none;
}
.easter-egg-toast.visible {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* --------------------------------------------------------------------------
   Copy Button Enhanced
   -------------------------------------------------------------------------- */
.copy-btn {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  padding: 4px 10px;
  background: var(--color-bg-code);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text-muted);
  cursor: pointer;
  transition: all var(--transition-fast);
}
.copy-btn:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}
.copy-btn.copied {
  border-color: var(--color-success);
  color: var(--color-success);
}

/* --------------------------------------------------------------------------
   API Reference Page
   -------------------------------------------------------------------------- */
.api-section {
  margin-bottom: var(--space-3xl);
}

.api-endpoint {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-lg);
  overflow: hidden;
}

.api-endpoint-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 20px;
  border-bottom: 1px solid var(--color-border);
  background: rgba(255, 255, 255, 0.02);
}

.api-method {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  text-transform: uppercase;
}
.api-method.get { background: rgba(34, 197, 94, 0.15); color: var(--color-success); border: 1px solid rgba(34, 197, 94, 0.3); }
.api-method.post { background: rgba(59, 130, 246, 0.15); color: #3b82f6; border: 1px solid rgba(59, 130, 246, 0.3); }

.api-path {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--color-text-primary);
}

.api-desc {
  padding: 16px 20px;
  font-size: 0.88rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
}

/* --------------------------------------------------------------------------
   Community Page
   -------------------------------------------------------------------------- */
.badge-row {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
  margin-bottom: var(--space-xl);
}

.badge-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-text-secondary);
  transition: all var(--transition-fast);
}
.badge-item:hover {
  border-color: var(--color-border-accent);
  transform: translateY(-1px);
}

.badge-icon { font-size: 1rem; }
.badge-label { font-weight: 600; color: var(--color-text-primary); }

.contrib-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: var(--space-md);
}

.contrib-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  transition: all var(--transition-normal);
}
.contrib-card:hover {
  border-color: var(--color-border-accent);
  transform: translateY(-2px);
}

.contrib-icon {
  font-size: 2rem;
  margin-bottom: var(--space-sm);
}

.contrib-title {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 4px;
}

.contrib-desc {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  line-height: 1.5;
}

/* --------------------------------------------------------------------------
   Kbd Hint in Nav
   -------------------------------------------------------------------------- */
.kbd-hint {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  padding: 2px 8px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text-muted);
  margin-left: 4px;
  opacity: 0.6;
}

/* --------------------------------------------------------------------------
   Module Card Click Cursor
   -------------------------------------------------------------------------- */
.module-card { cursor: pointer; }

/* --------------------------------------------------------------------------
   Responsive Additions
   -------------------------------------------------------------------------- */
@media (max-width: 768px) {
  .cmd-palette-dialog { max-width: 95vw; margin: 0 8px; }
  .pg-body { height: 320px; font-size: 0.75rem; }
  .modal-dialog { max-width: 95vw; margin: 0 8px; }
  .comparison-table { font-size: 0.75rem; }
  .comparison-table th,
  .comparison-table td { padding: 8px 10px; }
  .badge-row { gap: 6px; }
}

@media (max-width: 480px) {
  .pg-body { height: 280px; }
  .cmd-palette-overlay { padding-top: 8vh; }
}

/* --------------------------------------------------------------------------
   ARMORY Integration Page
   -------------------------------------------------------------------------- */
.integration-stack {
  max-width: 560px;
  margin: 2.5rem auto;
  text-align: center;
}
.stack-box {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.4rem 2rem;
  background: var(--color-bg-card);
}
.stack-top { border-color: var(--color-accent); }
.stack-bottom { border-color: #ff9500; }
.stack-box h3 {
  font-family: var(--font-mono);
  font-size: 1.2rem;
  margin: 0 0 0.3rem;
}
.stack-top h3 { color: var(--color-accent); }
.stack-bottom h3 { color: #ff9500; }
.stack-box p { color: var(--color-text-muted); font-size: 0.85rem; margin: 0; }
.stack-role {
  display: inline-block;
  margin-top: 0.5rem;
  font-size: 0.7rem;
  padding: 0.15rem 0.6rem;
  border-radius: 20px;
  background: var(--color-bg-code);
  color: var(--color-text-secondary);
}
.stack-connector {
  padding: 0.5rem 0;
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  font-size: 0.85rem;
}

.how-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
  margin: 1.5rem 0 2rem;
}
.how-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.2rem;
  transition: border-color var(--transition-fast);
}
.how-card:hover { border-color: var(--color-accent); }
.how-card h3 { font-size: 0.95rem; margin: 0 0 0.5rem; color: var(--color-accent); }
.how-card code {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--color-success);
  background: var(--color-bg-code);
  padding: 0.35rem 0.6rem;
  border-radius: var(--radius-sm);
  margin-bottom: 0.5rem;
}
.how-card p { font-size: 0.82rem; color: var(--color-text-muted); margin: 0; }

.armory-map-table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0;
  font-size: 0.82rem;
}
.armory-map-table th {
  text-align: left;
  padding: 0.5rem 0.7rem;
  border-bottom: 2px solid var(--color-accent);
  font-family: var(--font-mono);
  color: var(--color-accent);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.armory-map-table td {
  padding: 0.45rem 0.7rem;
  border-bottom: 1px solid var(--color-border);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--color-text-secondary);
}
.armory-map-table td:first-child { color: #ff9500; font-weight: 600; }

.armory-cta {
  display: flex;
  gap: 1rem;
  justify-content: center;
  margin: 2.5rem 0 1.5rem;
  flex-wrap: wrap;
}
.armory-cta a {
  display: inline-block;
  padding: 0.55rem 1.4rem;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.9rem;
  text-decoration: none;
  transition: transform var(--transition-fast);
}
.armory-cta a:hover { transform: translateY(-2px); }
.armory-cta .btn-primary { background: #ff9500; color: #0a0a0c; }
.armory-cta .btn-secondary { border: 1px solid #ff9500; color: #ff9500; }

/* ── Tab badge ──────────────────── */
.tab-btn .tab-badge {
  display: inline-block;
  margin-left: 0.4rem;
  padding: 0.05rem 0.4rem;
  font-size: 0.55rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  border-radius: 999px;
  background: var(--matrix-color, #00ccff);
  color: #0a0a0c;
  vertical-align: middle;
}

/* ── Feature card "NEW" badge for v1.1.0 highlights ───────────────────── */
.feature-badge-new {
  display: inline-block;
  margin-left: 0.45rem;
  padding: 0.05rem 0.5rem;
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  border-radius: 999px;
  background: var(--matrix-color, #00ccff);
  color: #0a0a0c;
  vertical-align: middle;
  box-shadow: 0 0 12px rgba(0, 204, 255, 0.4);
}
.feature-card .feature-title code,
.feature-card .feature-desc code {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.85em;
  padding: 0.05rem 0.3rem;
  background: rgba(255, 255, 255, 0.06);
  border-radius: 4px;
  color: var(--matrix-color, #00ccff);
}

/* --------------------------------------------------------------------------
   TUI Dashboard Mockup
   -------------------------------------------------------------------------- */
.tui-dashboard {
  background: #0a0a12;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.78rem;
  line-height: 1.35;
  margin-top: var(--space-lg);
}
.tui-titlebar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  padding: 8px 14px;
  background: linear-gradient(180deg, rgba(0,204,255,0.06), rgba(0,204,255,0));
  border-bottom: 1px solid var(--color-border);
  font-size: 0.72rem;
  color: var(--color-text-secondary);
}
.tui-titlebar .tui-brand {
  color: var(--color-accent);
  font-weight: 700;
  letter-spacing: 0.05em;
}
.tui-titlebar .tui-theme-name {
  color: #ffd700;
  font-weight: 600;
}
.tui-titlebar .tui-dots { display: flex; gap: 6px; }
.tui-titlebar .tui-dots span {
  width: 9px; height: 9px; border-radius: 50%;
  display: inline-block;
}
.tui-titlebar .tui-dots .red    { background: #ff5f57; }
.tui-titlebar .tui-dots .yellow { background: #febc2e; }
.tui-titlebar .tui-dots .green  { background: #28c840; }

.tui-dashboard-body {
  padding: 14px;
  background: #0a0a12;
}
.tui-row {
  display: grid;
  grid-template-columns: 1fr 1.7fr 1fr;
  gap: 8px;
  margin-bottom: 8px;
}
.tui-row.bottom {
  grid-template-columns: 1fr 1fr 1fr;
}
.tui-zone { display: flex; flex-direction: column; gap: 8px; min-width: 0; }

.tui-pane {
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.02);
  display: flex;
  flex-direction: column;
  min-width: 0;
}
.tui-pane-title {
  padding: 4px 10px;
  font-weight: 600;
  font-size: 0.74rem;
  letter-spacing: 0.02em;
  color: rgba(255, 255, 255, 0.55);
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
  display: flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.tui-pane-body {
  padding: 8px 10px;
  font-size: 0.72rem;
  color: rgba(255, 255, 255, 0.7);
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 3px;
}
.tui-pane .muted { color: rgba(255, 255, 255, 0.4); }
.tui-pane .accent-cyan    { color: #00ccff; }
.tui-pane .accent-emerald { color: #22c55e; }
.tui-pane .accent-gold    { color: #ffd700; }
.tui-pane .accent-orange  { color: #ff8700; }

/* Active pane: bright accent border + inverse-fill title bar */
.tui-pane.active {
  border-color: var(--pane-accent, #ff8700);
  box-shadow: 0 0 0 1px var(--pane-accent, #ff8700), 0 0 24px rgba(255, 135, 0, 0.18);
}
.tui-pane.active .tui-pane-title {
  background: var(--pane-accent, #ff8700);
  color: #0a0a12;
  font-weight: 700;
  border-bottom-color: transparent;
}
.tui-pane.active .tui-pane-title .pane-cursor { color: #0a0a12; }
.tui-pane.active.cyan    { --pane-accent: #00ccff; }
.tui-pane.active.emerald { --pane-accent: #22c55e; }
.tui-pane.active.gold    { --pane-accent: #ffd700; }
.tui-pane.active.orange  { --pane-accent: #ff8700; }
.tui-pane.active.crimson { --pane-accent: #ff3030; }
.tui-pane.active.cyan    { box-shadow: 0 0 0 1px #00ccff, 0 0 24px rgba(0, 204, 255, 0.18); }
.tui-pane.active.emerald { box-shadow: 0 0 0 1px #22c55e, 0 0 24px rgba(34, 197, 94, 0.18); }
.tui-pane.active.gold    { box-shadow: 0 0 0 1px #ffd700, 0 0 24px rgba(255, 215, 0, 0.18); }

/* Idle pane: dim title text and chrome */
.tui-pane:not(.active) .tui-pane-title { opacity: 0.55; }
.tui-pane .pane-cursor { color: var(--pane-accent, transparent); }

/* Sparkline blocks */
.tui-spark {
  display: inline-block;
  letter-spacing: 0;
  font-size: 0.85rem;
  line-height: 0.85rem;
  margin-top: 2px;
}
.tui-spark.cyan    { color: #00ccff; }
.tui-spark.emerald { color: #22c55e; }

/* Memory bar */
.tui-bar {
  display: inline-block;
  letter-spacing: 0;
  font-size: 0.85rem;
}
.tui-bar .filled { color: #22c55e; }
.tui-bar .empty  { color: rgba(255,255,255,0.18); }

/* Footer hint row */
.tui-footer {
  margin-top: 8px;
  padding-top: 8px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  text-align: center;
  font-size: 0.7rem;
  color: rgba(255, 255, 255, 0.4);
  letter-spacing: 0.04em;
}
.tui-footer kbd {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 3px;
  padding: 1px 6px;
  font-family: inherit;
  font-size: 0.65rem;
  color: rgba(255, 255, 255, 0.7);
  margin: 0 2px;
}

/* Demo caption above the dashboard */
.tui-caption {
  margin-top: var(--space-lg);
  margin-bottom: var(--space-md);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  flex-wrap: wrap;
}
.tui-caption .tui-caption-title {
  font-family: 'Orbitron', sans-serif;
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 0.04em;
  color: var(--color-text-primary);
}
.tui-caption .tui-caption-title::before {
  content: '◈';
  color: var(--color-accent);
  margin-right: 8px;
}
.tui-caption .tui-caption-meta {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.7rem;
  color: rgba(255, 255, 255, 0.5);
}

/* Responsive: stack zones on narrow screens */
@media (max-width: 800px) {
  .tui-row, .tui-row.bottom {
    grid-template-columns: 1fr;
  }
  .tui-dashboard { font-size: 0.7rem; }
}

/* --------------------------------------------------------------------------
   Terminal Window — animated outer chrome that frames the live TUI Dashboard.
   -------------------------------------------------------------------------- */
.terminal-window.tui-live {
  background: #06060e;
  border: 1px solid rgba(255, 255, 255, 0.10);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow:
    0 24px 80px rgba(0, 204, 255, 0.10),
    0 0 0 1px rgba(0, 204, 255, 0.08),
    inset 0 0 0 1px rgba(255, 255, 255, 0.02);
  position: relative;
}
.terminal-window.tui-live::before {
  /* Subtle scanline overlay — sells the CRT-on-glass feel */
  content: '';
  position: absolute; inset: 0;
  background: repeating-linear-gradient(
    180deg,
    rgba(255, 255, 255, 0.012) 0px,
    rgba(255, 255, 255, 0.012) 1px,
    transparent 1px,
    transparent 3px
  );
  pointer-events: none;
  z-index: 2;
}
.tw-titlebar {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: 10px 14px;
  background: linear-gradient(180deg, #15151f 0%, #0e0e18 100%);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.72rem;
  position: relative;
  z-index: 3;
}
.tw-dots { display: flex; gap: 6px; }
.tw-dots span {
  width: 12px; height: 12px; border-radius: 50%;
  display: inline-block;
  box-shadow: inset 0 -1px 0 rgba(0, 0, 0, 0.2);
}
.tw-dots .red    { background: #ff5f57; }
.tw-dots .yellow { background: #febc2e; }
.tw-dots .green  { background: #28c840; }
.tw-titlename {
  flex: 1;
  text-align: center;
  color: rgba(255, 255, 255, 0.55);
  font-weight: 500;
  letter-spacing: 0.01em;
}
.tw-status {
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--color-success, #22c55e);
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.tw-led {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--color-success, #22c55e);
  box-shadow: 0 0 8px var(--color-success, #22c55e);
  animation: tw-led-pulse 1.6s ease-in-out infinite;
}
@keyframes tw-led-pulse {
  0%, 100% { opacity: 1; box-shadow: 0 0 8px #22c55e; }
  50%      { opacity: 0.5; box-shadow: 0 0 14px #22c55e; }
}

/* Pre-launch shell phase — types out the command, then hides */
.tw-prelaunch {
  padding: 18px 18px 6px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.85);
  background: #06060e;
  position: relative;
  z-index: 1;
  animation: tw-prelaunch-fade 6s ease-out 1 forwards;
  animation-delay: 1.5s;
}
@keyframes tw-prelaunch-fade {
  0%   { opacity: 1; max-height: 60px; padding: 18px 18px 6px; }
  60%  { opacity: 1; max-height: 60px; }
  100% { opacity: 0; max-height: 0; padding: 0 18px; }
}
.tw-line { display: flex; gap: 4px; align-items: baseline; flex-wrap: wrap; }
.tw-prompt { color: var(--color-success, #22c55e); font-weight: 700; }
.tw-path   { color: #ffd700; }
.tw-tilde  { color: rgba(255, 255, 255, 0.5); }
.tw-typed {
  color: var(--color-accent, #00ccff);
  font-weight: 700;
  display: inline-block;
  white-space: nowrap;
  overflow: hidden;
  width: 0ch;
  animation: tw-type 1.2s steps(9, end) 1 forwards;
  animation-delay: 0.4s;
}
.tw-typed::before { content: attr(data-typed); }
@keyframes tw-type {
  to { width: 9ch; }                      /* "nexus tui" = 9 chars */
}
.tw-caret {
  display: inline-block;
  color: var(--color-accent, #00ccff);
  animation: tw-caret-blink 0.9s steps(1) infinite;
  margin-left: -2px;
}
@keyframes tw-caret-blink {
  0%, 50%   { opacity: 1; }
  50.01%, 100% { opacity: 0; }
}

/* Dashboard fade-in after pre-launch types out */
.tui-dashboard.tui-fade-in {
  opacity: 0;
  animation: tui-board-in 0.6s ease-out 1 forwards;
  animation-delay: 2.6s;
  border-radius: 0;
  border-left: 0; border-right: 0; border-bottom: 0;
}
@keyframes tui-board-in {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* CSS-driven pulse on the active pane's title bar — adds visual life
   without JS; the JS layer will rotate which pane has .active applied. */
.tui-pane.active .tui-pane-title {
  animation: tui-active-pulse 2.2s ease-in-out infinite;
}
@keyframes tui-active-pulse {
  0%, 100% { filter: brightness(1); }
  50%      { filter: brightness(1.15); }
}

/* Memory bar — subtle pulse to suggest live data */
.tui-bar {
  animation: tui-bar-breath 4s ease-in-out infinite;
}
@keyframes tui-bar-breath {
  0%, 100% { opacity: 0.92; }
  50%      { opacity: 1; }
}

/* Sparkline shift — pretend the data is scrolling.
   We marquee the text content via inline-block + translateX. */
.tui-spark {
  animation: tui-spark-shift 5s linear infinite;
}
@keyframes tui-spark-shift {
  0%, 100% { transform: translateX(0); }
  50%      { transform: translateX(-2px); }
}