:root{--color-brand-50: #eff7ff;--color-brand-100: #dbeafe;--color-brand-200: #bfdbfe;--color-brand-300: #93c5fd;--color-brand-400: #60a5fa;--color-brand-500: #3b82f6;--color-brand-600: #2563eb;--color-brand-700: #1d4ed8;--color-brand-800: #1e40af;--color-brand-900: #1e3a8a;--color-admin-500: #ef4444;--color-admin-600: #dc2626;--color-admin-700: #b91c1c;--color-success-500: #10b981;--color-success-600: #059669;--color-success-bg: #ecfdf5;--color-warning-500: #f59e0b;--color-warning-600: #d97706;--color-warning-bg: #fffbeb;--color-error-500: #ef4444;--color-error-600: #dc2626;--color-error-bg: #fef2f2;--color-gray-50: #f9fafb;--color-gray-100: #f3f4f6;--color-gray-200: #e5e7eb;--color-gray-300: #d1d5db;--color-gray-400: #9ca3af;--color-gray-500: #6b7280;--color-gray-600: #4b5563;--color-gray-700: #374151;--color-gray-800: #1f2937;--color-gray-900: #111827;--color-bg-page: var(--color-gray-50);--color-bg-surface: #ffffff;--color-bg-subtle: var(--color-gray-100);--color-fg-primary: 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600}*:before,*:after{box-sizing:border-box}html,body{margin:0;padding:0}html{font-size:var(--text-base);line-height:var(--leading-normal);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-rendering:optimizeLegibility}body{font-family:var(--font-sans);color:var(--color-fg-primary);background:var(--color-bg-page);min-height:100vh}#root{min-height:100vh}h1,h2,h3,h4,h5,h6{margin:0;font-weight:var(--weight-semi);line-height:var(--leading-tight);color:var(--color-fg-primary)}h1{font-size:var(--text-2xl)}h2{font-size:var(--text-xl)}h3{font-size:var(--text-lg)}h4{font-size:var(--text-md)}p{margin:0}a{color:var(--color-primary);text-decoration:none}a:hover{text-decoration:underline}a:focus-visible{outline:none;box-shadow:var(--shadow-focus);border-radius:var(--radius-sm)}button{font:inherit;cursor:pointer}button:focus-visible{outline:none;box-shadow:var(--shadow-focus)}button:disabled{cursor:not-allowed;opacity:.6}input,select,textarea{font:inherit;color:inherit}input:focus-visible,select:focus-visible,textarea:focus-visible{outline:none;box-shadow:var(--shadow-focus)}img{max-width:100%;height:auto}ul,ol{margin:0;padding:0;list-style:none}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.kui-btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--space-2);padding:var(--space-2) var(--space-4);border:1px solid transparent;border-radius:var(--radius-md);font-size:var(--text-base);font-weight:var(--weight-semi);line-height:var(--leading-tight);cursor:pointer;transition:background var(--transition-fast),border-color var(--transition-fast),color var(--transition-fast);text-decoration:none;-webkit-user-select:none;user-select:none}.kui-btn--primary{background:var(--color-primary);color:var(--color-on-primary);border-color:var(--color-primary)}.kui-btn--primary:hover:not(:disabled){background:var(--color-primary-hover);border-color:var(--color-primary-hover)}.kui-btn--secondary{background:var(--color-bg-surface);color:var(--color-fg-primary);border-color:var(--color-border-strong)}.kui-btn--secondary:hover:not(:disabled){background:var(--color-bg-subtle)}.kui-btn--ghost{background:transparent;color:var(--color-fg-secondary);border-color:transparent}.kui-btn--ghost:hover:not(:disabled){background:var(--color-bg-subtle)}.kui-btn--danger{background:var(--color-error-500);color:#fff;border-color:var(--color-error-500)}.kui-btn--danger:hover:not(:disabled){background:var(--color-error-600);border-color:var(--color-error-600)}.kui-btn--sm{padding:var(--space-1) var(--space-3);font-size:var(--text-sm)}.kui-btn--lg{padding:var(--space-3) var(--space-6);font-size:var(--text-md)}.kui-card{background:var(--color-bg-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:var(--space-6)}.kui-card--elevated{border:none;box-shadow:var(--shadow-md)}.kui-card--flat{border:none;background:var(--color-bg-subtle)}.kui-badge{display:inline-flex;align-items:center;gap:var(--space-1);padding:2px var(--space-2);font-size:var(--text-xs);font-weight:var(--weight-semi);border-radius:var(--radius-full);background:var(--color-bg-subtle);color:var(--color-fg-secondary);border:1px solid var(--color-border)}.kui-badge--success{background:var(--color-success-bg);color:var(--color-success-600);border-color:var(--color-success-500)}.kui-badge--warning{background:var(--color-warning-bg);color:var(--color-warning-600);border-color:var(--color-warning-500)}.kui-badge--error{background:var(--color-error-bg);color:var(--color-error-600);border-color:var(--color-error-500)}.kui-badge--brand{background:var(--color-brand-50);color:var(--color-brand-700);border-color:var(--color-brand-200)}: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)}