:root{--text:#374151;--text-muted:#6b7280;--text-heading:#111827;--bg:#fff;--border:#e5e7eb;--brand:#2563eb;--brand-hover:#1d4ed8;--header-bg:#f9fafb;color:var(--text);background:var(--bg);font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;line-height:1.6}@media (prefers-color-scheme:dark){:root{--text:#d1d5db;--text-muted:#9ca3af;--text-heading:#f9fafb;--bg:#111827;--border:#374151;--brand:#60a5fa;--brand-hover:#93c5fd;--header-bg:#1f2937}}*,:before,:after{box-sizing:border-box}body{margin:0}#root{min-height:100svh}.layout{flex-direction:column;min-height:100svh;display:flex}.header{border-bottom:1px solid var(--border);background:var(--header-bg);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:1rem;padding:.75rem 1.25rem;display:flex}.brand{color:var(--text-heading);font-size:1.125rem;font-weight:700;text-decoration:none}.brand:hover{color:var(--brand)}.nav ul{flex-wrap:wrap;gap:.75rem 1.25rem;margin:0;padding:0;list-style:none;display:flex}.nav a{color:var(--text);font-size:.9375rem;text-decoration:none}.nav a:hover{color:var(--brand)}.main{flex:1;width:100%;max-width:48rem;margin:0 auto;padding:2rem 1.25rem}.page h1{color:var(--text-heading);margin:0 0 1rem;font-size:1.75rem;font-weight:600}.lead{color:var(--text-muted);margin:0;font-size:1.0625rem}.placeholder{color:var(--text-muted);margin:0}.footer{border-top:1px solid var(--border);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:1rem;margin-top:auto;padding:1.25rem;display:flex}.footer-note{color:var(--text-muted);margin:0;font-size:.875rem}.footer-nav ul{flex-wrap:wrap;gap:.75rem 1rem;margin:0;padding:0;list-style:none;display:flex}.footer-nav a{color:var(--text-muted);font-size:.875rem;text-decoration:none}.footer-nav a:hover{color:var(--brand)}