.markus-site .site-banner {
  max-width: 52rem;
  margin: 0 auto;
  padding: 1.5rem 1.25rem 0;
}

.site-wordmark {
  font-family: var(--markus-serif);
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--markus-ink);
  text-decoration: none;
}

.site-tagline {
  margin: 0.35rem 0 1rem;
  color: var(--markus-muted);
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem 1.1rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--markus-line);
}

.site-nav a {
  color: var(--markus-ink);
  text-decoration: none;
  font-weight: 600;
}

.site-nav a[aria-current="page"] {
  color: var(--markus-accent);
  box-shadow: inset 0 -2px 0 var(--markus-accent);
}

.markus-site main .markus-document {
  padding-top: 1.5rem;
}

.site-footer {
  max-width: 52rem;
  margin: 0 auto;
  padding: 0 1.25rem 3rem;
  color: var(--markus-muted);
}

.site-footer a { color: var(--markus-accent); }

.demo-metrics {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(10rem, 1fr));
  gap: 0.8rem;
  margin: 1.25rem 0;
}

/* Code block wrapper and copy-to-clipboard button */
.code-block-wrapper {
  position: relative;
  margin: 1.25rem 0;
}

.code-block-wrapper pre {
  margin: 0;
  padding-right: 4.75rem;
}

.copy-button {
  position: absolute;
  top: 0.5rem;
  right: 0.5rem;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.25rem 0.55rem;
  font-family: var(--markus-sans, ui-sans-serif, system-ui, sans-serif);
  font-size: 0.75rem;
  font-weight: 500;
  line-height: 1.2;
  color: var(--markus-pre-ink, #f4efe4);
  background: var(--markus-pre-bg, #1c1914);
  border: 1px solid var(--markus-line, rgba(255, 255, 255, 0.15));
  border-radius: 0.375rem;
  cursor: pointer;
  opacity: 0.85;
  transition: opacity 0.15s ease, background-color 0.15s ease, border-color 0.15s ease, color 0.15s ease;
  user-select: none;
  z-index: 2;
}

.copy-button:hover {
  opacity: 1;
  border-color: var(--markus-accent, #2563eb);
  color: var(--markus-accent, #2563eb);
}

.copy-button:focus-visible {
  outline: 2px solid var(--markus-accent, #2563eb);
  outline-offset: 2px;
  opacity: 1;
}

.copy-button .check-icon {
  display: none;
}

.copy-button.copied {
  color: #10b981;
  border-color: #10b981;
  opacity: 1;
}

.copy-button.copied .copy-icon {
  display: none;
}

.copy-button.copied .check-icon {
  display: inline-block;
}

.copy-button svg {
  display: inline-block;
  width: 0.875rem;
  height: 0.875rem;
  vertical-align: middle;
  flex-shrink: 0;
}

/* Theme switcher */
.theme-switcher {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.85rem;
  color: var(--markus-muted);
}

.theme-switcher select {
  font-size: 0.85rem;
  padding: 0.2rem 0.4rem;
  border-radius: 0.375rem;
  border: 1px solid var(--markus-line);
  background: var(--markus-paper);
  color: var(--markus-ink);
  cursor: pointer;
}

/* Site header controls */
.site-nav-container {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem 1.25rem;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 0.5rem;
}

.site-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1rem;
  align-items: center;
}

.source-controls {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
}

.source-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.25rem 0.55rem;
  font-family: var(--markus-sans, ui-sans-serif, system-ui, sans-serif);
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--markus-ink);
  background: var(--markus-paper);
  border: 1px solid var(--markus-line);
  border-radius: 0.375rem;
  cursor: pointer;
  transition: all 0.15s ease;
  user-select: none;
}

.source-toggle:hover {
  border-color: var(--markus-accent);
  color: var(--markus-accent);
}

.source-toggle:focus-visible {
  outline: 2px solid var(--markus-accent);
  outline-offset: 2px;
}

.source-toggle[aria-expanded="true"] {
  background: var(--markus-accent);
  color: #ffffff;
  border-color: var(--markus-accent);
}

.source-icon {
  display: inline-block;
  width: 0.875rem;
  height: 0.875rem;
  vertical-align: middle;
  flex-shrink: 0;
}

.source-raw-link {
  font-size: 0.8rem;
  font-family: var(--markus-mono, ui-monospace, monospace);
  color: var(--markus-muted);
  text-decoration: none;
  padding: 0.2rem 0.4rem;
  border-radius: 0.25rem;
  transition: color 0.15s ease;
}

.source-raw-link:hover {
  color: var(--markus-accent);
  text-decoration: underline;
}

/* Source view pane */
.source-pane {
  max-width: 52rem;
  margin: 1.5rem auto;
  padding: 0 1.25rem;
}

.source-pane-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.65rem 1rem;
  background: var(--markus-subtle, rgba(0, 0, 0, 0.03));
  border: 1px solid var(--markus-line);
  border-bottom: none;
  border-top-left-radius: 0.5rem;
  border-top-right-radius: 0.5rem;
}

.source-pane-info {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.source-pane-badge {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.15rem 0.45rem;
  border-radius: 0.25rem;
  background: var(--markus-accent);
  color: #ffffff;
}

.source-pane-filename {
  font-family: var(--markus-mono, ui-monospace, monospace);
  font-size: 0.85rem;
  color: var(--markus-ink);
}

.source-download-link {
  font-size: 0.8rem;
  color: var(--markus-accent);
  text-decoration: none;
  font-weight: 500;
}

.source-download-link:hover {
  text-decoration: underline;
}

.source-pane .code-block-wrapper {
  margin: 0;
}

.source-pane .code-block-wrapper pre {
  border-top-left-radius: 0;
  border-top-right-radius: 0;
}