:root{--bg:#fff;--fg:#1a1a1a;--muted:#4a4a4a;--brand:#0f5132;--brand-fg:#fff;--card:#f4f7f5;--border:#d0d7d3;--error:#a4161a;--ok:#0f5132;--radius:12px;color-scheme:light dark}@media (prefers-color-scheme:dark){:root{--bg:#121614;--fg:#eceeed;--muted:#b9c0bc;--brand:#6fcf97;--brand-fg:#0b1a12;--card:#1c2320;--border:#34413b;--error:#ff8a8a;--ok:#6fcf97}}*{box-sizing:border-box}[hidden]{display:none!important}html{-webkit-text-size-adjust:100%}body{background:var(--bg);color:var(--fg);margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,Noto Sans,Noto Sans Devanagari,sans-serif;font-size:1.0625rem;line-height:1.6}.wrap{max-width:960px;margin:0 auto;padding:0 16px}a{color:var(--brand)}:focus-visible{outline:3px solid var(--brand);outline-offset:2px}.site-header{border-bottom:1px solid var(--border)}.header-row{justify-content:space-between;align-items:center;gap:12px;min-height:56px;display:flex}.brand{color:var(--fg);font-size:1.25rem;font-weight:700;text-decoration:none}.lang-switch{border:1px solid var(--border);border-radius:999px;padding:8px 12px;text-decoration:none}.site-footer{border-top:1px solid var(--border);color:var(--muted);margin-top:48px;padding:24px 0 40px;font-size:.9375rem}