:root{--ink:#16131f;--muted:#6b6780;--line:#e7e4f0;--brand:#5b3df5;--brand-ink:#ffffff;--ok:#117a4b;--warn:#9a5b00;--bad:#b3261e;--card:#ffffff;--bg:#f6f4fb;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;color:var(--ink);background:var(--bg)}*{box-sizing:border-box}body,html{margin:0;padding:0}body{min-height:100dvh}.app{max-width:480px;margin:0 auto;padding:20px 16px 48px}h1{font-size:1.6rem;line-height:1.2;margin:8px 0 4px}h2{font-size:1.15rem;margin:20px 0 8px}p{line-height:1.5;margin:6px 0}.muted{color:var(--muted);font-size:.95rem}.small{font-size:.85rem}.center{text-align:center}.row{gap:10px;align-items:center;justify-content:space-between}.row,.stack{display:flex}.stack{flex-direction:column;gap:12px}.brand{font-weight:800;letter-spacing:-.02em;color:var(--brand);font-size:1.25rem}.card{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:18px}.balance{font-size:2.4rem;font-weight:800;letter-spacing:-.03em;margin:4px 0}.amount{font-size:2rem;font-weight:800}.button,button{display:block;width:100%;border:0;border-radius:14px;padding:16px;font-size:1.05rem;font-weight:700;background:var(--brand);color:var(--brand-ink);cursor:pointer;text-align:center;text-decoration:none}.button.secondary,button.secondary{background:#ece8fd;color:var(--brand)}button.ghost{background:transparent;color:var(--brand);padding:10px}button.danger{background:#fdecea;color:var(--bad)}button:disabled{opacity:.5;cursor:not-allowed}label{display:block;font-weight:600;margin-bottom:6px}input{width:100%;padding:14px;font-size:1.1rem;border-radius:12px;border:1px solid var(--line);background:#fff}input.big{font-size:2rem;font-weight:800;text-align:center}input.code{font-size:1.8rem;letter-spacing:.35em;text-align:center;font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.review dl{display:grid;grid-template-columns:1fr auto;gap:8px 12px;margin:0}.review dt{color:var(--muted)}.review dd{margin:0;font-weight:600;text-align:right}.status{padding:12px 14px;border-radius:12px;background:#ece8fd;color:var(--brand);font-weight:600}.status.ok{background:#e6f4ee;color:var(--ok)}.status.bad{background:#fdecea;color:var(--bad)}.status.warn{background:#fff4e0;color:var(--warn)}.list{list-style:none;padding:0;margin:0}.list li{padding:12px 0;border-bottom:1px solid var(--line)}.list li:last-child{border-bottom:0}.pill{display:inline-block;padding:3px 10px;border-radius:999px;font-size:.8rem;font-weight:700;background:#ece8fd;color:var(--brand)}.pill.ok{background:#e6f4ee;color:var(--ok)}.pill.muted{background:#efeef3;color:var(--muted)}.dev{border:2px dashed #d9a400;background:#fffaeb;color:#6b4e00;border-radius:12px;padding:10px 12px;font-size:.85rem}.spinner{display:inline-block;width:16px;height:16px;border:3px solid;border-right:3px solid transparent;border-radius:50%;animation:spin .8s linear infinite;vertical-align:-3px;margin-right:8px}@keyframes spin{to{transform:rotate(1turn)}}.mono{font-family:ui-monospace,Menlo,Consolas,monospace;font-size:.8rem;word-break:break-all}.row[role=group]>button{flex:1 1}label input[type=checkbox]{width:auto;margin:0 6px 0 0;vertical-align:-2px}