/* Site-wide navigation bar and footer. Linked as a component stylesheet on
   every page (per ADR-011) after theme.css and the page's own stylesheet. */

/* ─── Navbar ────────────────────────────────────────────────────────────── */

site-nav {
  display: block;
  width: 100%;
  background: var(--surface);
  border-bottom: var(--border-width) solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
}

.site-nav {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  max-width: 80rem;
  margin: 0 auto;
  padding: var(--space-sm) var(--space-2xl);
  gap: var(--space-2xl);
}

.site-nav-brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  text-decoration: none;
}

.site-nav-mark {
  display: block;
  width: 1.75rem;
  height: 1.75rem;
}

.site-nav-wordmark {
  font-family: var(--font-brand);
  font-size: var(--font-lg);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text);
  transition: color 0.15s ease;
}

.site-nav-brand:hover .site-nav-wordmark {
  color: var(--brand-orange-strong);
}

.site-nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-nav-link {
  font-family: var(--font-ui);
  font-size: var(--font-sm);
  font-weight: 600;
  color: var(--muted);
  text-decoration: none;
  transition: color 0.15s ease;
}

.site-nav-link:hover {
  color: var(--text);
}

.site-nav-link[aria-current="page"] {
  color: var(--brand-orange-strong);
}

.site-nav-settings {
  margin-left: auto;
  background: none;
  border: var(--border-width) solid transparent;
  border-radius: var(--radius-sm);
  color: var(--muted);
  font-size: var(--font-lg);
  padding: var(--space-2xs) var(--space-xs);
  cursor: pointer;
  line-height: 1;
  transition: color 0.15s ease, border-color 0.15s ease;
}

.site-nav-settings:hover {
  color: var(--text);
  border-color: var(--border);
}

/* ─── Global settings overlay ───────────────────────────────────────────── */

/* Fixed full-viewport container for the overlay mounted by site.js. Keeps
   pointer events disabled on the wrapper so it never blocks page clicks when
   the overlay is hidden; the overlay itself re-enables them when visible. */
.site-settings-wrapper {
  position: fixed;
  inset: 0;
  z-index: 200;
  pointer-events: none;
}

.site-settings-wrapper .settings-overlay {
  border-radius: 0;
  pointer-events: auto;
}

/* "Restart Level" is only meaningful on the game page; hide it in the
   global overlay so non-game pages don't show a confusing button. */
.site-settings-wrapper .settings-restart {
  display: none;
}

/* ─── Footer ────────────────────────────────────────────────────────────── */

site-footer {
  display: block;
  width: 100%;
  background: var(--surface-alt);
  border-top: var(--border-width) solid var(--border);
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 80rem;
  margin: 0 auto;
  padding: var(--space-sm) var(--space-2xl);
  gap: var(--space-xl);
}

.site-footer-left {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
  flex-wrap: wrap;
}

.site-footer-brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2xs);
  text-decoration: none;
}

.site-footer-mark {
  display: block;
  width: 1.25rem;
  height: 1.25rem;
}

.site-footer-wordmark {
  font-family: var(--font-brand);
  font-size: var(--font-sm);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text);
  transition: color 0.15s ease;
}

.site-footer-brand:hover .site-footer-wordmark {
  color: var(--brand-orange-strong);
}

.site-footer-links {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
  flex-wrap: wrap;
}

.site-footer-link,
.site-footer-source {
  font-family: var(--font-ui);
  font-size: var(--font-xs);
  font-weight: 500;
  color: var(--muted);
  text-decoration: none;
  transition: color 0.15s ease;
}

.site-footer-link:hover,
.site-footer-source:hover {
  color: var(--text);
}

/* ─── Mobile ────────────────────────────────────────────────────────────── */

@media (width <= 30em) {
  .site-nav {
    padding: var(--space-sm) var(--space-md);
  }

  .site-nav-links {
    gap: var(--space-md);
  }

  .site-footer {
    flex-direction: column;
    align-items: flex-start;
    padding: var(--space-md);
    gap: var(--space-sm);
  }

  .site-footer-links {
    gap: var(--space-md);
  }
}