*{box-sizing:border-box}body{margin:0;background:#f3f5f8;color:#111827;font-family:Arial,sans-serif}.app{max-width:620px;margin:auto;padding:18px}.top{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px}.logo{font-weight:900;font-size:22px;letter-spacing:.5px}.muted{color:#6b7280;font-size:13px}.avatar{width:44px;height:44px;border-radius:50%;display:grid;place-items:center;background:#111827;color:#fff;font-weight:900}.balance-card{background:#111827;color:#fff;border-radius:24px;padding:24px;margin-bottom:14px}.balance{font-size:38px;font-weight:900;margin:8px 0}.account{font-size:12px;color:#aeb6c5}.actions{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:14px}.actions button{border:0;background:#fff;border-radius:18px;padding:18px 10px;font-size:26px;cursor:pointer;box-shadow:0 2px 10px #0000000d}.actions span{display:block;font-size:14px;font-weight:700;margin-top:7px}.card{background:#fff;border-radius:20px;padding:18px;margin-bottom:14px}.card h2{font-size:17px;margin:0 0 12px}.history{display:grid;gap:2px}.tx{display:flex;justify-content:space-between;padding:13px 0;border-bottom:1px solid #edf0f3;font-size:14px}.tx:last-child{border-bottom:0}.plus{color:#14804a;font-weight:800}.minus{color:#c53939;font-weight:800}.feature{padding:13px 0;border-bottom:1px solid #edf0f3;font-size:14px}.feature:last-child{border:0}@media(max-width:380px){.app{padding:12px}.balance{font-size:31px}}