:root{--focus-ring: #2563eb;--skip-bg: #ffffff;--skip-text: #111827}.dark{--focus-ring: #38bdf8;--skip-bg: #111827;--skip-text: #f9fafb}*:focus-visible{outline:2px solid var(--focus-ring);outline-offset:3px}.skip-link{position:absolute;left:16px;top:8px;z-index:1000;padding:8px 12px;border-radius:9999px;background:var(--skip-bg);color:var(--skip-text);font-weight:600;transform:translateY(-150%);transition:transform .2s ease}.skip-link:focus{transform:translateY(0)}