:root{--bg:#0b0d10;--fg:#f4f6f8;--muted:#9fa8b3;--accent:#00f;--good:#16a34a;--bad:#dc2626;--card:#14171c;--border:#1f242c}@media (prefers-color-scheme:light){:root{--bg:#f5f7fa;--fg:#0b0d10;--muted:#5b6573;--card:#fff;--border:#e3e7ec}}*{box-sizing:border-box}body,html{margin:0;padding:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;background:var(--bg);color:var(--fg)}.container{max-width:480px;margin:0 auto;padding:24px 20px 80px}.h1{font-size:28px;font-weight:700}.h1,.h2{margin:0}.h2{font-size:18px;font-weight:600}.muted{color:var(--muted)}.card{background:var(--card);border:1px solid var(--border);border-radius:16px;padding:20px;margin-top:16px}.row{align-items:center;justify-content:space-between;gap:12px}.col,.row{display:flex}.col{flex-direction:column;gap:8px}.input{padding:12px 14px;border:1px solid var(--border);border-radius:10px;background:var(--card);color:var(--fg);font-family:ui-monospace,monospace}.btn,.input{width:100%;font-size:16px}.btn{display:inline-block;padding:12px 16px;border:none;border-radius:10px;cursor:pointer;font-weight:600;background:var(--accent);color:#fff}.btn[disabled]{opacity:.5;cursor:not-allowed}.btn.secondary{color:var(--accent)}.btn.danger,.btn.secondary{background:transparent;border:1px solid var(--border)}.btn.danger{color:var(--bad)}.balance{font-size:36px;font-weight:800;font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.kv{display:grid;grid-template-columns:100px 1fr;grid-gap:6px 12px;gap:6px 12px;font-size:14px}.kv>.k{color:var(--muted)}.tag{display:inline-block;padding:2px 8px;border-radius:9999px;background:rgba(22,163,74,.12);color:var(--good);font-size:12px;font-weight:600}.pin{font-size:40px;font-weight:800;letter-spacing:4px;text-align:center;font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.tx{display:grid;grid-template-columns:1fr auto;grid-gap:4px 12px;gap:4px 12px;padding:10px 0;border-bottom:1px solid var(--border)}.tx:last-child{border-bottom:none}.tx .credit{color:var(--good)}.tx .debit{color:var(--bad)}.tx .amt{font-feature-settings:"tnum";font-variant-numeric:tabular-nums;font-weight:700}.error{color:var(--bad)}