:root{--ink:#1b2a30;--muted:#5b6b72;--line:#d5dde0;--bg:#f6f8f8;--card:#fff;--brand:#1f4e5f;--brand-ink:#fff;--danger:#a1260d;--ok:#1d6b3a;color:var(--ink);background:var(--bg);font-family:system-ui,-apple-system,Segoe UI,sans-serif}*{box-sizing:border-box}body{margin:0}main{max-width:64rem;margin:0 auto;padding:1.5rem 1rem 4rem}h1{margin:0 0 1rem;font-size:1.6rem}h2{margin:1.5rem 0 .75rem;font-size:1.2rem}a{color:var(--brand)}.card{background:var(--card);border:1px solid var(--line);border-radius:.75rem;padding:1.25rem}.narrow{max-width:26rem;margin:3rem auto}.stack>*+*{margin-top:.9rem}.row{flex-wrap:wrap;align-items:center;gap:.75rem;display:flex}label{margin-bottom:.3rem;font-weight:600;display:block}input,select,textarea{width:100%;font:inherit;border:1px solid var(--line);background:#fff;border-radius:.5rem;padding:.65rem .75rem}button,.button{font:inherit;border:1px solid var(--brand);background:var(--brand);color:var(--brand-ink);cursor:pointer;border-radius:.5rem;min-height:2.75rem;padding:.7rem 1.1rem;font-weight:600;text-decoration:none;display:inline-block}button.secondary,.button.secondary{color:var(--brand);background:#fff}button.danger{background:var(--danger);border-color:var(--danger)}button:disabled{opacity:.6;cursor:default}.error{color:var(--danger);font-weight:600}.notice{color:var(--ok);font-weight:600}.muted{color:var(--muted)}.dev{background:#fff8e1;border:2px dashed #b88a00;border-radius:.5rem;padding:.75rem;font-size:.9rem}table{border-collapse:collapse;background:#fff;width:100%}th,td{text-align:left;border-bottom:1px solid var(--line);vertical-align:top;padding:.5rem .6rem}th{color:var(--muted);font-size:.85rem}.tiles{grid-template-columns:repeat(auto-fill,minmax(10rem,1fr));gap:.75rem;display:grid}.tile{text-align:center;border:1px solid var(--line);color:var(--ink);background:#fff;border-radius:.75rem;min-height:5rem;padding:1.25rem 1rem;font-size:1.1rem;text-decoration:none;display:block}.pinpad{grid-template-columns:repeat(3,1fr);gap:.6rem;max-width:18rem;margin:1rem auto;display:grid}.pinpad button{min-height:4rem;font-size:1.6rem}.pindots{text-align:center;letter-spacing:.5rem;min-height:2.5rem;font-size:2rem}header.top{background:var(--brand);color:var(--brand-ink)}header.top .inner{justify-content:space-between;align-items:center;gap:1rem;max-width:64rem;margin:0 auto;padding:.6rem 1rem;display:flex}header.top a,header.top button{color:var(--brand-ink)}header.top button{border-color:var(--brand-ink);background:0 0;min-height:2.25rem;padding:.35rem .8rem}