/**
 * ETHRAEON UNIFIED DEMO SYSTEM (EUDS)
 * Constitutional AI Theme - Phase 1
 * ⟁ Humanitas ante machinam
 */

:root {
  /* Core ETHRAEON Colors */
  --eth-black: #0a0b0e;
  --eth-dark: #0b0c10;
  --eth-card: #111317;
  --eth-border: #1b1e25;
  --eth-text: #e6e6e6;
  --eth-muted: #9aa4b2;

  /* EUDS Accent System */
  --eth-cyan: #41e0d0;
  --eth-amber: #f4c542;
  --eth-gold: #d4af37;
  --eth-azure: #5eb3f6;
  --eth-uv: #a78bfa;
  --eth-green: #10b981;

  /* Layer Colors */
  --layer-ethos: var(--eth-gold);
  --layer-operation: var(--eth-azure);
  --layer-expression: var(--eth-uv);

  /* Status Colors */
  --status-live: #10b981;
  --status-progress: #f59e0b;
  --status-preview: #6b7280;

  /* Spacing */
  --space-xs: 8px;
  --space-sm: 12px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-2xl: 48px;

  /* Borders */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;

  /* TRACELET 1.1 + EDG Tokens */
  --tracelet-core-bg: #111318;
  --tracelet-core-fg: #F8FAFC;
  --tracelet-core-stroke: 2.5px;
  --tracelet-edg-alert: #F97316;
  --tracelet-edg-soft: #22D3EE;
  --tracelet-edg-dot-size: 24px;
  --tracelet-alt-bg: #020617;
  --tracelet-alt-accent: #22D3EE;
  --tracelet-glass-bg: rgba(17, 19, 24, 0.8);
  --tracelet-glass-blur: blur(12px);
  --tracelet-glass-overlay: rgba(17, 19, 24, 0.8);
  --tracelet-glass-border: rgba(248, 250, 252, 0.1);
  --tracelet-transition-fast: 150ms cubic-bezier(0.4, 0.0, 0.2, 1);
  --tracelet-transition-normal: 300ms cubic-bezier(0.4, 0.0, 0.2, 1);
  --tracelet-transition-slow: 600ms cubic-bezier(0.4, 0.0, 0.2, 1);
  --tracelet-pulse-slow: 2s ease-in-out infinite;
  --tracelet-pulse-fast: 1s ease-in-out infinite;
  --tracelet-icon-min: 24px;
  --tracelet-icon-simplified: 16px;
  --tracelet-favicon: 16px;
  --tracelet-clear-space-min: 0.5;
  --tracelet-clear-space-rec: 1.0;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  margin: 0;
  background: var(--eth-dark);
  color: var(--eth-text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Container System */
.eth-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--space-2xl) var(--space-lg);
}

.eth-container-narrow {
  max-width: 800px;
  margin: 0 auto;
  padding: var(--space-xl) var(--space-lg);
}

/* Typography */
.eth-heading-xl {
  font-size: 3rem;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--eth-amber);
  margin-bottom: var(--space-md);
}

.eth-heading-lg {
  font-size: 2rem;
  font-weight: 600;
  line-height: 1.3;
  color: var(--eth-gold);
  margin-bottom: var(--space-sm);
}

.eth-heading-md {
  font-size: 1.5rem;
  font-weight: 600;
  line-height: 1.4;
  color: var(--eth-cyan);
  margin-bottom: var(--space-sm);
}

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

.eth-text-small {
  font-size: 0.875rem;
  color: var(--eth-muted);
}

/* Card System */
.eth-card {
  background: var(--eth-card);
  border: 1px solid var(--eth-border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  transition: all 0.2s ease;
}

.eth-card:hover {
  transform: translateY(-2px);
  border-color: var(--eth-cyan);
}

.eth-card-interactive {
  cursor: pointer;
  text-decoration: none;
  color: inherit;
  display: block;
}

/* Grid System */
.eth-grid {
  display: grid;
  gap: var(--space-lg);
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.eth-grid-2 {
  display: grid;
  gap: var(--space-lg);
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
}

.eth-grid-3 {
  display: grid;
  gap: var(--space-lg);
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

/* Badge System */
.eth-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: 6px 12px;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.eth-badge-live {
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid var(--status-live);
  color: var(--status-live);
}

.eth-badge-progress {
  background: rgba(245, 158, 11, 0.1);
  border: 1px solid var(--status-progress);
  color: var(--status-progress);
}

.eth-badge-preview {
  background: rgba(107, 114, 128, 0.1);
  border: 1px solid var(--status-preview);
  color: var(--status-preview);
}

/* Button System */
.eth-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: 12px 20px;
  border-radius: var(--radius-md);
  border: 1px solid var(--eth-border);
  background: var(--eth-card);
  color: var(--eth-text);
  font-size: 0.95rem;
  font-weight: 500;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.2s ease;
}

.eth-btn:hover {
  border-color: var(--eth-cyan);
  background: var(--eth-dark);
}

.eth-btn-primary {
  background: var(--eth-cyan);
  border-color: var(--eth-cyan);
  color: var(--eth-black);
}

.eth-btn-primary:hover {
  background: #52e8d8;
  border-color: #52e8d8;
}

/* Navigation */
.eth-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-lg);
  border-bottom: 1px solid var(--eth-border);
  background: var(--eth-black);
}

.eth-nav-logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--eth-cyan);
  text-decoration: none;
}

.eth-nav-links {
  display: flex;
  gap: var(--space-lg);
  list-style: none;
}

.eth-nav-link {
  color: var(--eth-text);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.2s ease;
}

.eth-nav-link:hover {
  color: var(--eth-cyan);
}

/* Layer Sections */
.eth-layer-section {
  margin-bottom: var(--space-2xl);
}

.eth-layer-header {
  margin-bottom: var(--space-lg);
  padding-bottom: var(--space-sm);
  border-bottom: 2px solid var(--eth-border);
}

/* Footer */
.eth-footer {
  margin-top: var(--space-2xl);
  padding-top: var(--space-xl);
  border-top: 1px solid var(--eth-border);
  text-align: center;
  color: var(--eth-muted);
  font-size: 0.875rem;
}

.eth-footer-anchor {
  display: block;
  margin-top: var(--space-md);
  color: var(--eth-gold);
  font-weight: 600;
  letter-spacing: 0.05em;
}

/* Utility Classes */
.eth-flex {
  display: flex;
}

.eth-flex-center {
  display: flex;
  align-items: center;
  justify-content: center;
}

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

.eth-gap-sm {
  gap: var(--space-sm);
}

.eth-gap-md {
  gap: var(--space-md);
}

.eth-gap-lg {
  gap: var(--space-lg);
}

.eth-mt-md {
  margin-top: var(--space-md);
}

.eth-mt-lg {
  margin-top: var(--space-lg);
}

.eth-mb-md {
  margin-bottom: var(--space-md);
}

.eth-mb-lg {
  margin-bottom: var(--space-lg);
}

/* Responsive */
@media (max-width: 768px) {
  .eth-heading-xl {
    font-size: 2rem;
  }

  .eth-heading-lg {
    font-size: 1.5rem;
  }

  .eth-grid,
  .eth-grid-2,
  .eth-grid-3 {
    grid-template-columns: 1fr;
  }

  .eth-container {
    padding: var(--space-lg);
  }
}

/* TRACELET EDG Satellite Dot Animations */
@keyframes tracelet-pulse-slow {
  0%, 100% {
    opacity: 1.0;
    transform: scale(1);
  }
  50% {
    opacity: 0.6;
    transform: scale(1.1);
  }
}

@keyframes tracelet-pulse-fast {
  0%, 100% {
    opacity: 1.0;
    transform: scale(1);
  }
  50% {
    opacity: 0.5;
    transform: scale(1.15);
  }
}

/* EDG Thermal State Selectors */
[data-edg-state="resting"] {
  background: var(--tracelet-core-fg);
  animation: none;
}

[data-edg-state="alert"] {
  background: var(--tracelet-edg-alert);
  animation: tracelet-pulse-slow var(--tracelet-pulse-slow);
}

[data-edg-state="critical"] {
  background: var(--tracelet-edg-alert);
  animation: tracelet-pulse-fast var(--tracelet-pulse-fast);
}