/* Page navigation is shared by Home and Life; list filters stay in Home. */
.site-header {
  --header-ink: #181818;
  --header-muted: #666;
  --header-control: #f1f1f1;
  --header-hover: #e7e7e7;
  display: flex;
  align-items: center;
  gap: 36px;
  width: 100%;
  max-width: 1280px;
  min-height: 76px;
  margin: 0 auto;
  padding: 0 32px;
  color: var(--header-ink);
  line-height: 1.5;
}

[data-theme="dark"] .site-header {
  --header-ink: #f5f5f5;
  --header-muted: #aaa;
  --header-control: #292929;
  --header-hover: #363636;
}

.site-brand {
  display: inline-flex;
  align-items: center;
  flex-shrink: 0;
  min-height: 44px;
  color: inherit;
  font-size: 25px;
  font-weight: 650;
  letter-spacing: -1px;
  text-decoration: none;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 28px;
}

.site-nav a {
  display: inline-flex;
  align-items: center;
  min-width: 44px;
  min-height: 44px;
  padding: 10px 0;
  color: var(--header-muted);
  font-size: 14px;
  white-space: nowrap;
  text-decoration: none;
}

.site-nav a:hover { color: var(--header-ink); }
.site-nav a[aria-current="page"] {
  color: var(--header-ink);
  font-weight: 600;
  text-decoration: underline;
  text-decoration-thickness: 2px;
  text-underline-offset: 8px;
}

.site-theme-toggle {
  flex-shrink: 0;
  min-height: 44px;
  margin-left: auto;
  padding: 10px 16px;
  border: 0;
  border-radius: 24px;
  background: var(--header-control);
  color: var(--header-ink);
  font: inherit;
  font-size: 13px;
  cursor: pointer;
}
.site-theme-toggle:hover { background: var(--header-hover); }
.site-header :is(a, button):focus-visible {
  outline: 2px solid var(--header-ink);
  outline-offset: 4px;
}

@media (max-width: 640px) {
  .site-header { gap: 18px; min-height: 68px; padding: 0 20px; }
  .site-brand { font-size: 23px; }
  .site-nav { gap: 18px; }
  .site-nav a { font-size: 13px; }
  .site-theme-toggle { padding: 10px 12px; font-size: 12px; }
}

@media (max-width: 359px) {
  .site-header { gap: 14px; padding: 0 16px; }
  .site-nav { gap: 14px; }
  .site-theme-toggle { padding: 10px; }
}