/* Only the longer common menu label and the category-driven footer. */
.site-footer .footer-nav { row-gap: 14px; }
@media (max-width: 430px) {
  .site-header .site-header-inner { gap: 8px; }
  .site-header .header-nav { gap: 2px; }
  .site-header .header-nav a { font-size: 8px; letter-spacing: .03em; padding-inline: 2px; }
}

/* Only navigation actions become pixel buttons; article citations stay inline. */
.back-link {
  min-height: 44px; padding: 8px 14px; border: 1px solid transparent;
  background: linear-gradient(var(--bg),var(--bg)) padding-box,linear-gradient(var(--text),var(--text)) border-box;
  color: var(--text);
  clip-path: polygon(4px 0,calc(100% - 4px) 0,calc(100% - 4px) 2px,calc(100% - 2px) 2px,calc(100% - 2px) 4px,100% 4px,100% calc(100% - 4px),calc(100% - 2px) calc(100% - 4px),calc(100% - 2px) calc(100% - 2px),calc(100% - 4px) calc(100% - 2px),calc(100% - 4px) 100%,4px 100%,4px calc(100% - 2px),2px calc(100% - 2px),2px calc(100% - 4px),0 calc(100% - 4px),0 4px,2px 4px,2px 2px,4px 2px);
}
.back-link:is(:hover,:focus-visible) { background: var(--text); color: var(--bg); }
.back-link:focus-visible { text-decoration: underline; text-underline-offset: 4px; }