:root{--fg: #1a1a1a;--muted: #666;--border: #e2e2e6;--bg: #f7f7f8}*{box-sizing:border-box}html,body,#root{margin:0;height:100%;background:var(--bg);font-family:system-ui,-apple-system,Segoe UI,Roboto,Helvetica Neue,sans-serif;color:var(--fg)}.container{max-width:480px;margin:0 auto;padding:24px 20px 48px}.loading,.error-state{text-align:center;padding:48px 16px;color:var(--muted)}.error-state h1{margin-top:0}.customer-app{min-height:100%;padding:env(safe-area-inset-top) 0 24px}.customer-card{max-width:480px;margin:16px auto 0;border-radius:16px;padding:24px 20px;box-shadow:0 6px 18px #0000002e;position:relative;overflow:hidden}.customer-card-header{display:flex;align-items:center;gap:14px}.customer-card-logo{width:56px;height:56px;border-radius:10px;object-fit:cover;background:#ffffff2e}.customer-card-logo.placeholder{background:#ffffff2e}.customer-card-merchant{font-size:18px;font-weight:700;line-height:1.1}.customer-card-customer{margin-top:4px;font-size:13px;opacity:.85}.customer-card-balance{margin-top:28px;text-align:center}.customer-balance-value{font-size:56px;font-weight:700;line-height:1}.customer-balance-label{margin-top:6px;font-size:12px;text-transform:uppercase;letter-spacing:1.4px;opacity:.85}.progress-track{width:100%;height:6px;background:#ffffff40;border-radius:999px;overflow:hidden}.progress-fill{height:100%;border-radius:999px;transition:width .3s ease}.customer-content{max-width:480px;margin:0 auto;padding:0 20px}.customer-banner{background:#fff7e0;color:#6b4e00;padding:10px 12px;border-radius:8px;font-size:13px;margin-top:20px}.customer-section{margin-top:28px;background:#fff;border-radius:12px;padding:16px;border:1px solid var(--border)}.customer-section h2{margin:0 0 12px;font-size:16px}.customer-muted{color:var(--muted);font-size:13px}.customer-reward-list{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:10px}.customer-reward{padding:10px 12px;border:1px solid var(--border);border-radius:8px;background:var(--bg)}.customer-reward.ok{background:#ecf9ed;border-color:#c5e8c8}.customer-reward-name{display:flex;align-items:baseline;gap:6px;flex-wrap:wrap}.customer-reward-hint{margin-top:4px}.customer-reward-desc{margin-top:4px;font-size:13px;color:var(--muted)}.customer-tx-list{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:8px}.customer-tx{display:flex;justify-content:space-between;align-items:baseline;padding:8px 0;border-bottom:1px solid var(--border);font-size:14px}.customer-tx:last-child{border-bottom:none}.customer-tx-delta{font-weight:600;margin-right:4px}.customer-tx-delta.pos{color:#176c2c}.customer-tx-delta.neg{color:#b00020}.customer-footer{margin:32px 0 0;text-align:center;font-size:12px;color:var(--muted)}