:root {
  --mc-deep: #0a0d2a;
  --mc-glow: #6fb5ff;
  --mc-canvas: #f5f4ef;
  --mc-ink: #14161c;
  --mc-hairline: #e6e3d8;
  --mc-blue: #0c4f8d;
  --mc-blue-light: #e8f1fa;
  --mc-blue-muted: rgba(12, 79, 141, 0.08);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
body {
  font-family: var(--mg-font-body, 'Barlow', system-ui, sans-serif);
  background: var(--mc-canvas);
  color: var(--mc-ink);
  overflow-x: hidden;
}

h1, h2, h3 { font-family: var(--mg-font-display, 'Rajdhani', system-ui, sans-serif); text-wrap: pretty; }
p, li { line-height: 1.7; text-wrap: pretty; }
a { color: var(--mc-blue); }
code { font-family: var(--mg-font-mono, 'JetBrains Mono', monospace); font-size: 0.85em; background: rgba(0,0,0,0.04); padding: 2px 6px; border-radius: 4px; }

.page-header {
  text-align: center;
  padding: 48px 24px 8px;
}

.page-header h1 {
  font-size: 2rem;
  color: var(--mc-ink);
  margin: 0 0 8px;
}

.page-header p {
  font-size: 1.05rem;
  color: #555;
  margin: 0;
}

.page-header code {
  font-size: 0.85em;
  background: rgba(0,0,0,0.04);
  padding: 2px 6px;
  border-radius: 3px;
}

.page-header__breadcrumb {
  font-size: 0.8rem;
  color: #999;
  margin-bottom: 4px;
  letter-spacing: 0.02em;
}

.page-header__breadcrumb a {
  color: var(--mc-blue);
  text-decoration: none;
}

.page-header__breadcrumb a:hover {
  color: var(--mc-glow);
}

/* Demo sections */
.demo-section {
  max-width: 1200px;
  margin: 0 auto;
  padding: 40px 24px 0;
}

.demo-section + .demo-section {
  margin-top: 16px;
  padding-top: 48px;
  border-top: 1px solid var(--mc-hairline);
}

.demo-section__title {
  font-size: 1.4rem;
  margin-bottom: 8px;
}

.demo-section__desc {
  color: #555;
  margin-bottom: 24px;
}

/* Variant gallery grid */
.demo-gallery {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 24px;
}

.demo-gallery__item {
  background: #f0ede6;
  border-radius: 10px;
  border: 1px solid var(--mc-hairline);
  padding: 16px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

.demo-gallery__item .board-container {
  width: 100%;
  aspect-ratio: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.demo-gallery__item .board-container svg {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.demo-gallery__label {
  font-size: 0.85rem;
  color: #555;
  text-align: center;
  font-family: var(--mg-font-mono, 'JetBrains Mono', monospace);
  letter-spacing: 0.02em;
}

/* Control panel */
.demo-controls {
  background: #f0ede6;
  border: 1px solid var(--mc-hairline);
  border-radius: 10px;
  padding: 24px;
  margin-bottom: 24px;
  display: grid;
  grid-template-columns: 3fr 2fr;
  gap: 24px;
  align-items: start;
}

.demo-controls__board {
  min-width: 0;
}

.demo-controls__board svg,
.demo-ai-panel__board svg {
  width: 100%;
  height: auto;
  display: block;
}

.demo-controls__panel {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.demo-controls__panel label {
  font-size: 0.75rem;
  color: #777;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.demo-controls__panel input,
.demo-controls__panel select {
  width: 100%;
  padding: 8px 12px;
  font-family: var(--mg-font-mono, 'JetBrains Mono', monospace);
  font-size: 0.85rem;
  background: #fff;
  border: 1px solid var(--mc-hairline);
  border-radius: 6px;
  color: var(--mc-ink);
}

.demo-controls__panel button {
  padding: 8px 16px;
  font-size: 0.85rem;
  font-weight: 600;
  background: var(--mc-blue);
  color: #fff;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  transition: background 120ms;
}

.demo-controls__panel button:hover {
  background: var(--mc-glow);
  color: var(--mc-deep);
}

.demo-controls__log {
  font-family: var(--mg-font-mono, 'JetBrains Mono', monospace);
  font-size: 0.75rem;
  color: #555;
  background: #fff;
  border: 1px solid var(--mc-hairline);
  border-radius: 6px;
  padding: 12px;
  max-height: 180px;
  overflow-y: auto;
  white-space: pre-wrap;
}

/* Three-panel grid (Themes section) */
.demo-grid {
  display: grid;
  gap: 16px;
  margin-bottom: 24px;
}

.demo-grid--three {
  grid-template-columns: repeat(3, 1fr);
}

.demo-panel {
  background: #f0ede6;
  border-radius: 10px;
  border: 1px solid var(--mc-hairline);
  padding: 16px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

.demo-panel__header h3 {
  font-size: 0.9rem;
  color: var(--mc-ink);
  font-weight: 600;
}

.demo-panel__board {
  width: 100%;
  aspect-ratio: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.demo-panel__caption {
  font-size: 0.75rem;
  color: #888;
  text-align: center;
  line-height: 1.4;
  font-family: var(--mg-font-mono, 'JetBrains Mono', monospace);
}

/* AI vs AI panel */
.demo-ai-panel {
  background: #f0ede6;
  border: 1px solid var(--mc-hairline);
  border-radius: 10px;
  padding: 24px;
  margin-bottom: 24px;
  display: grid;
  grid-template-columns: 3fr 2fr;
  gap: 24px;
  align-items: start;
}

.demo-ai-panel__board {
  min-width: 0;
}

.demo-ai-panel__sidebar {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.demo-ai-panel__sidebar label {
  font-size: 0.75rem;
  color: #777;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.demo-ai-panel__sidebar select {
  width: 100%;
  padding: 8px 12px;
  font-family: var(--mg-font-mono, 'JetBrains Mono', monospace);
  font-size: 0.85rem;
  background: #fff;
  border: 1px solid var(--mc-hairline);
  border-radius: 6px;
  color: var(--mc-ink);
}

.demo-ai-panel__sidebar button {
  padding: 8px 16px;
  font-size: 0.85rem;
  font-weight: 600;
  background: var(--mc-blue);
  color: #fff;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  transition: background 120ms;
  flex: 1;
}

.demo-ai-panel__sidebar button:hover {
  background: var(--mc-glow);
  color: var(--mc-deep);
}

.demo-ai-panel__stats {
  font-family: var(--mg-font-mono, 'JetBrains Mono', monospace);
  font-size: 0.8rem;
  color: #555;
  background: #fff;
  border: 1px solid var(--mc-hairline);
  border-radius: 6px;
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

/* Collapsible code blocks */
.demo-code {
  margin-top: 16px;
  margin-bottom: 32px;
}

.demo-code summary {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--mc-blue);
  cursor: pointer;
  padding: 6px 0;
}

.demo-code summary:hover {
  color: var(--mc-glow);
}

.demo-code pre {
  margin-top: 8px;
}

/* Responsive */
@media (max-width: 768px) {
  .demo-gallery {
    grid-template-columns: repeat(2, 1fr);
  }
  .demo-controls {
    grid-template-columns: 1fr;
  }
  .demo-grid--three {
    grid-template-columns: 1fr;
  }
  .demo-ai-panel {
    grid-template-columns: 1fr;
  }
  .page-header {
    padding: 32px 16px 8px;
  }
  .demo-section {
    padding: 24px 16px 0;
  }
}