:root{--bg:#fff;--surface:#f5f7fa;--text:#1c2430;--muted:#5b6676;--border:#c9d1dc;--primary:#0b5cad;--on-primary:#fff;--danger:#b3261e}*{box-sizing:border-box}body{background:var(--bg);color:var(--text);margin:0;font:16px/1.5 system-ui,-apple-system,Segoe UI,sans-serif}main{max-width:720px;margin:0 auto;padding:40px 16px}h1{margin:0 0 12px;font-size:28px;line-height:1.2}p{margin:0 0 12px}a{color:var(--primary)}.muted{color:var(--muted)}form.stack{gap:12px;max-width:380px;margin:16px 0;display:grid}label{gap:4px;font-size:14px;font-weight:600;display:grid}input{font:inherit;border:1px solid var(--border);border-radius:6px;padding:10px 12px}input:focus-visible,button:focus-visible{outline:3px solid var(--primary);outline-offset:2px}button{font:inherit;background:var(--primary);color:var(--on-primary);cursor:pointer;border:0;border-radius:6px;padding:10px 14px;font-weight:600}button.secondary{background:var(--surface);color:var(--text);border:1px solid var(--border)}.error{color:var(--danger)}ul.sites{gap:8px;padding:0;list-style:none;display:grid}ul.sites li{border:1px solid var(--border);border-radius:6px;padding:12px}header.bar{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;margin-bottom:24px;display:flex}.sr-only{clip:rect(0, 0, 0, 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}