/* =========================================================
   NAVIGATION - pilule centrée, partagée par toutes les pages
   Dépend des tokens de chaque page : --card-bg, --card-border,
   --card-shadow, --text, --text-secondary,
   --transition-fast, --transition-med.
   ========================================================= */
[data-theme="light"] {
  --site-nav-hover-bg: rgba(60, 60, 67, 0.05);
  --site-nav-active-bg: #0a0a0d;
  --site-nav-active-text: #ffffff;
}

[data-theme="dark"] {
  --site-nav-hover-bg: #151517;
  --site-nav-active-bg: #e8e8ea;
  --site-nav-active-text: #111113;
}

.site-nav {
  position: relative;
  z-index: 10;
  display: flex;
  justify-content: center;
  padding: 18px 16px 0;
}

.site-nav-list {
  list-style: none;
  display: flex;
  gap: 2px;
  height: 40px;
  max-width: 100%;
  padding: 4px;
  border-radius: 999px;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  box-shadow: var(--card-shadow);
  transition: background var(--transition-med), border-color var(--transition-med);
}

.site-nav-link {
  display: flex;
  align-items: center;
  height: 100%;
  padding: 0 16px;
  border-radius: 999px;
  color: var(--text-secondary);
  font-size: 0.8125rem;
  font-weight: 500;
  white-space: nowrap;
  transition: color var(--transition-fast), background-color var(--transition-fast);
}

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

.site-nav-link[aria-current="page"] {
  background: var(--site-nav-active-bg);
  color: var(--site-nav-active-text);
}

@media (max-width: 380px) {
  .site-nav-link {
    padding: 0 12px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .site-nav-list,
  .site-nav-link {
    transition: none;
  }
}